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Annotation of src/external/gpl3/binutils.old/dist/bfd/coff-sh.c, Revision 1.1

1.1     ! christos    1: /* BFD back-end for Renesas Super-H COFF binaries.
        !             2:    Copyright 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002,
        !             3:    2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012
        !             4:    Free Software Foundation, Inc.
        !             5:    Contributed by Cygnus Support.
        !             6:    Written by Steve Chamberlain, <sac@cygnus.com>.
        !             7:    Relaxing code written by Ian Lance Taylor, <ian@cygnus.com>.
        !             8:
        !             9:    This file is part of BFD, the Binary File Descriptor library.
        !            10:
        !            11:    This program is free software; you can redistribute it and/or modify
        !            12:    it under the terms of the GNU General Public License as published by
        !            13:    the Free Software Foundation; either version 3 of the License, or
        !            14:    (at your option) any later version.
        !            15:
        !            16:    This program is distributed in the hope that it will be useful,
        !            17:    but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            18:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            19:    GNU General Public License for more details.
        !            20:
        !            21:    You should have received a copy of the GNU General Public License
        !            22:    along with this program; if not, write to the Free Software
        !            23:    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
        !            24:    MA 02110-1301, USA.  */
        !            25:
        !            26: #include "sysdep.h"
        !            27: #include "bfd.h"
        !            28: #include "libiberty.h"
        !            29: #include "libbfd.h"
        !            30: #include "bfdlink.h"
        !            31: #include "coff/sh.h"
        !            32: #include "coff/internal.h"
        !            33:
        !            34: #undef  bfd_pe_print_pdata
        !            35:
        !            36: #ifdef COFF_WITH_PE
        !            37: #include "coff/pe.h"
        !            38:
        !            39: #ifndef COFF_IMAGE_WITH_PE
        !            40: static bfd_boolean sh_align_load_span
        !            41:   (bfd *, asection *, bfd_byte *,
        !            42:    bfd_boolean (*) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
        !            43:    void *, bfd_vma **, bfd_vma *, bfd_vma, bfd_vma, bfd_boolean *);
        !            44:
        !            45: #define _bfd_sh_align_load_span sh_align_load_span
        !            46: #endif
        !            47:
        !            48: #define        bfd_pe_print_pdata   _bfd_pe_print_ce_compressed_pdata
        !            49:
        !            50: #else
        !            51:
        !            52: #define        bfd_pe_print_pdata   NULL
        !            53:
        !            54: #endif /* COFF_WITH_PE.  */
        !            55:
        !            56: #include "libcoff.h"
        !            57:
        !            58: /* Internal functions.  */
        !            59:
        !            60: #ifdef COFF_WITH_PE
        !            61: /* Can't build import tables with 2**4 alignment.  */
        !            62: #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER   2
        !            63: #else
        !            64: /* Default section alignment to 2**4.  */
        !            65: #define COFF_DEFAULT_SECTION_ALIGNMENT_POWER   4
        !            66: #endif
        !            67:
        !            68: #ifdef COFF_IMAGE_WITH_PE
        !            69: /* Align PE executables.  */
        !            70: #define COFF_PAGE_SIZE 0x1000
        !            71: #endif
        !            72:
        !            73: /* Generate long file names.  */
        !            74: #define COFF_LONG_FILENAMES
        !            75:
        !            76: #ifdef COFF_WITH_PE
        !            77: /* Return TRUE if this relocation should
        !            78:    appear in the output .reloc section.  */
        !            79:
        !            80: static bfd_boolean
        !            81: in_reloc_p (bfd * abfd ATTRIBUTE_UNUSED,
        !            82:            reloc_howto_type * howto)
        !            83: {
        !            84:   return ! howto->pc_relative && howto->type != R_SH_IMAGEBASE;
        !            85: }
        !            86: #endif
        !            87:
        !            88: static bfd_reloc_status_type
        !            89: sh_reloc (bfd *, arelent *, asymbol *, void *, asection *, bfd *, char **);
        !            90: static bfd_boolean
        !            91: sh_relocate_section (bfd *, struct bfd_link_info *, bfd *, asection *,
        !            92:                     bfd_byte *, struct internal_reloc *,
        !            93:                     struct internal_syment *, asection **);
        !            94: static bfd_boolean
        !            95: sh_align_loads (bfd *, asection *, struct internal_reloc *,
        !            96:                bfd_byte *, bfd_boolean *);
        !            97:
        !            98: /* The supported relocations.  There are a lot of relocations defined
        !            99:    in coff/internal.h which we do not expect to ever see.  */
        !           100: static reloc_howto_type sh_coff_howtos[] =
        !           101: {
        !           102:   EMPTY_HOWTO (0),
        !           103:   EMPTY_HOWTO (1),
        !           104: #ifdef COFF_WITH_PE
        !           105:   /* Windows CE */
        !           106:   HOWTO (R_SH_IMM32CE,         /* type */
        !           107:         0,                     /* rightshift */
        !           108:         2,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           109:         32,                    /* bitsize */
        !           110:         FALSE,                 /* pc_relative */
        !           111:         0,                     /* bitpos */
        !           112:         complain_overflow_bitfield, /* complain_on_overflow */
        !           113:         sh_reloc,              /* special_function */
        !           114:         "r_imm32ce",           /* name */
        !           115:         TRUE,                  /* partial_inplace */
        !           116:         0xffffffff,            /* src_mask */
        !           117:         0xffffffff,            /* dst_mask */
        !           118:         FALSE),                /* pcrel_offset */
        !           119: #else
        !           120:   EMPTY_HOWTO (2),
        !           121: #endif
        !           122:   EMPTY_HOWTO (3), /* R_SH_PCREL8 */
        !           123:   EMPTY_HOWTO (4), /* R_SH_PCREL16 */
        !           124:   EMPTY_HOWTO (5), /* R_SH_HIGH8 */
        !           125:   EMPTY_HOWTO (6), /* R_SH_IMM24 */
        !           126:   EMPTY_HOWTO (7), /* R_SH_LOW16 */
        !           127:   EMPTY_HOWTO (8),
        !           128:   EMPTY_HOWTO (9), /* R_SH_PCDISP8BY4 */
        !           129:
        !           130:   HOWTO (R_SH_PCDISP8BY2,      /* type */
        !           131:         1,                     /* rightshift */
        !           132:         1,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           133:         8,                     /* bitsize */
        !           134:         TRUE,                  /* pc_relative */
        !           135:         0,                     /* bitpos */
        !           136:         complain_overflow_signed, /* complain_on_overflow */
        !           137:         sh_reloc,              /* special_function */
        !           138:         "r_pcdisp8by2",        /* name */
        !           139:         TRUE,                  /* partial_inplace */
        !           140:         0xff,                  /* src_mask */
        !           141:         0xff,                  /* dst_mask */
        !           142:         TRUE),                 /* pcrel_offset */
        !           143:
        !           144:   EMPTY_HOWTO (11), /* R_SH_PCDISP8 */
        !           145:
        !           146:   HOWTO (R_SH_PCDISP,          /* type */
        !           147:         1,                     /* rightshift */
        !           148:         1,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           149:         12,                    /* bitsize */
        !           150:         TRUE,                  /* pc_relative */
        !           151:         0,                     /* bitpos */
        !           152:         complain_overflow_signed, /* complain_on_overflow */
        !           153:         sh_reloc,              /* special_function */
        !           154:         "r_pcdisp12by2",       /* name */
        !           155:         TRUE,                  /* partial_inplace */
        !           156:         0xfff,                 /* src_mask */
        !           157:         0xfff,                 /* dst_mask */
        !           158:         TRUE),                 /* pcrel_offset */
        !           159:
        !           160:   EMPTY_HOWTO (13),
        !           161:
        !           162:   HOWTO (R_SH_IMM32,           /* type */
        !           163:         0,                     /* rightshift */
        !           164:         2,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           165:         32,                    /* bitsize */
        !           166:         FALSE,                 /* pc_relative */
        !           167:         0,                     /* bitpos */
        !           168:         complain_overflow_bitfield, /* complain_on_overflow */
        !           169:         sh_reloc,              /* special_function */
        !           170:         "r_imm32",             /* name */
        !           171:         TRUE,                  /* partial_inplace */
        !           172:         0xffffffff,            /* src_mask */
        !           173:         0xffffffff,            /* dst_mask */
        !           174:         FALSE),                /* pcrel_offset */
        !           175:
        !           176:   EMPTY_HOWTO (15),
        !           177: #ifdef COFF_WITH_PE
        !           178:   HOWTO (R_SH_IMAGEBASE,        /* type */
        !           179:         0,                     /* rightshift */
        !           180:         2,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           181:         32,                    /* bitsize */
        !           182:         FALSE,                 /* pc_relative */
        !           183:         0,                     /* bitpos */
        !           184:         complain_overflow_bitfield, /* complain_on_overflow */
        !           185:         sh_reloc,              /* special_function */
        !           186:         "rva32",               /* name */
        !           187:         TRUE,                  /* partial_inplace */
        !           188:         0xffffffff,            /* src_mask */
        !           189:         0xffffffff,            /* dst_mask */
        !           190:         FALSE),                /* pcrel_offset */
        !           191: #else
        !           192:   EMPTY_HOWTO (16), /* R_SH_IMM8 */
        !           193: #endif
        !           194:   EMPTY_HOWTO (17), /* R_SH_IMM8BY2 */
        !           195:   EMPTY_HOWTO (18), /* R_SH_IMM8BY4 */
        !           196:   EMPTY_HOWTO (19), /* R_SH_IMM4 */
        !           197:   EMPTY_HOWTO (20), /* R_SH_IMM4BY2 */
        !           198:   EMPTY_HOWTO (21), /* R_SH_IMM4BY4 */
        !           199:
        !           200:   HOWTO (R_SH_PCRELIMM8BY2,    /* type */
        !           201:         1,                     /* rightshift */
        !           202:         1,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           203:         8,                     /* bitsize */
        !           204:         TRUE,                  /* pc_relative */
        !           205:         0,                     /* bitpos */
        !           206:         complain_overflow_unsigned, /* complain_on_overflow */
        !           207:         sh_reloc,              /* special_function */
        !           208:         "r_pcrelimm8by2",      /* name */
        !           209:         TRUE,                  /* partial_inplace */
        !           210:         0xff,                  /* src_mask */
        !           211:         0xff,                  /* dst_mask */
        !           212:         TRUE),                 /* pcrel_offset */
        !           213:
        !           214:   HOWTO (R_SH_PCRELIMM8BY4,    /* type */
        !           215:         2,                     /* rightshift */
        !           216:         1,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           217:         8,                     /* bitsize */
        !           218:         TRUE,                  /* pc_relative */
        !           219:         0,                     /* bitpos */
        !           220:         complain_overflow_unsigned, /* complain_on_overflow */
        !           221:         sh_reloc,              /* special_function */
        !           222:         "r_pcrelimm8by4",      /* name */
        !           223:         TRUE,                  /* partial_inplace */
        !           224:         0xff,                  /* src_mask */
        !           225:         0xff,                  /* dst_mask */
        !           226:         TRUE),                 /* pcrel_offset */
        !           227:
        !           228:   HOWTO (R_SH_IMM16,           /* type */
        !           229:         0,                     /* rightshift */
        !           230:         1,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           231:         16,                    /* bitsize */
        !           232:         FALSE,                 /* pc_relative */
        !           233:         0,                     /* bitpos */
        !           234:         complain_overflow_bitfield, /* complain_on_overflow */
        !           235:         sh_reloc,              /* special_function */
        !           236:         "r_imm16",             /* name */
        !           237:         TRUE,                  /* partial_inplace */
        !           238:         0xffff,                /* src_mask */
        !           239:         0xffff,                /* dst_mask */
        !           240:         FALSE),                /* pcrel_offset */
        !           241:
        !           242:   HOWTO (R_SH_SWITCH16,                /* type */
        !           243:         0,                     /* rightshift */
        !           244:         1,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           245:         16,                    /* bitsize */
        !           246:         FALSE,                 /* pc_relative */
        !           247:         0,                     /* bitpos */
        !           248:         complain_overflow_bitfield, /* complain_on_overflow */
        !           249:         sh_reloc,              /* special_function */
        !           250:         "r_switch16",          /* name */
        !           251:         TRUE,                  /* partial_inplace */
        !           252:         0xffff,                /* src_mask */
        !           253:         0xffff,                /* dst_mask */
        !           254:         FALSE),                /* pcrel_offset */
        !           255:
        !           256:   HOWTO (R_SH_SWITCH32,                /* type */
        !           257:         0,                     /* rightshift */
        !           258:         2,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           259:         32,                    /* bitsize */
        !           260:         FALSE,                 /* pc_relative */
        !           261:         0,                     /* bitpos */
        !           262:         complain_overflow_bitfield, /* complain_on_overflow */
        !           263:         sh_reloc,              /* special_function */
        !           264:         "r_switch32",          /* name */
        !           265:         TRUE,                  /* partial_inplace */
        !           266:         0xffffffff,            /* src_mask */
        !           267:         0xffffffff,            /* dst_mask */
        !           268:         FALSE),                /* pcrel_offset */
        !           269:
        !           270:   HOWTO (R_SH_USES,            /* type */
        !           271:         0,                     /* rightshift */
        !           272:         1,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           273:         16,                    /* bitsize */
        !           274:         FALSE,                 /* pc_relative */
        !           275:         0,                     /* bitpos */
        !           276:         complain_overflow_bitfield, /* complain_on_overflow */
        !           277:         sh_reloc,              /* special_function */
        !           278:         "r_uses",              /* name */
        !           279:         TRUE,                  /* partial_inplace */
        !           280:         0xffff,                /* src_mask */
        !           281:         0xffff,                /* dst_mask */
        !           282:         FALSE),                /* pcrel_offset */
        !           283:
        !           284:   HOWTO (R_SH_COUNT,           /* type */
        !           285:         0,                     /* rightshift */
        !           286:         2,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           287:         32,                    /* bitsize */
        !           288:         FALSE,                 /* pc_relative */
        !           289:         0,                     /* bitpos */
        !           290:         complain_overflow_bitfield, /* complain_on_overflow */
        !           291:         sh_reloc,              /* special_function */
        !           292:         "r_count",             /* name */
        !           293:         TRUE,                  /* partial_inplace */
        !           294:         0xffffffff,            /* src_mask */
        !           295:         0xffffffff,            /* dst_mask */
        !           296:         FALSE),                /* pcrel_offset */
        !           297:
        !           298:   HOWTO (R_SH_ALIGN,           /* type */
        !           299:         0,                     /* rightshift */
        !           300:         2,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           301:         32,                    /* bitsize */
        !           302:         FALSE,                 /* pc_relative */
        !           303:         0,                     /* bitpos */
        !           304:         complain_overflow_bitfield, /* complain_on_overflow */
        !           305:         sh_reloc,              /* special_function */
        !           306:         "r_align",             /* name */
        !           307:         TRUE,                  /* partial_inplace */
        !           308:         0xffffffff,            /* src_mask */
        !           309:         0xffffffff,            /* dst_mask */
        !           310:         FALSE),                /* pcrel_offset */
        !           311:
        !           312:   HOWTO (R_SH_CODE,            /* type */
        !           313:         0,                     /* rightshift */
        !           314:         2,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           315:         32,                    /* bitsize */
        !           316:         FALSE,                 /* pc_relative */
        !           317:         0,                     /* bitpos */
        !           318:         complain_overflow_bitfield, /* complain_on_overflow */
        !           319:         sh_reloc,              /* special_function */
        !           320:         "r_code",              /* name */
        !           321:         TRUE,                  /* partial_inplace */
        !           322:         0xffffffff,            /* src_mask */
        !           323:         0xffffffff,            /* dst_mask */
        !           324:         FALSE),                /* pcrel_offset */
        !           325:
        !           326:   HOWTO (R_SH_DATA,            /* type */
        !           327:         0,                     /* rightshift */
        !           328:         2,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           329:         32,                    /* bitsize */
        !           330:         FALSE,                 /* pc_relative */
        !           331:         0,                     /* bitpos */
        !           332:         complain_overflow_bitfield, /* complain_on_overflow */
        !           333:         sh_reloc,              /* special_function */
        !           334:         "r_data",              /* name */
        !           335:         TRUE,                  /* partial_inplace */
        !           336:         0xffffffff,            /* src_mask */
        !           337:         0xffffffff,            /* dst_mask */
        !           338:         FALSE),                /* pcrel_offset */
        !           339:
        !           340:   HOWTO (R_SH_LABEL,           /* type */
        !           341:         0,                     /* rightshift */
        !           342:         2,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           343:         32,                    /* bitsize */
        !           344:         FALSE,                 /* pc_relative */
        !           345:         0,                     /* bitpos */
        !           346:         complain_overflow_bitfield, /* complain_on_overflow */
        !           347:         sh_reloc,              /* special_function */
        !           348:         "r_label",             /* name */
        !           349:         TRUE,                  /* partial_inplace */
        !           350:         0xffffffff,            /* src_mask */
        !           351:         0xffffffff,            /* dst_mask */
        !           352:         FALSE),                /* pcrel_offset */
        !           353:
        !           354:   HOWTO (R_SH_SWITCH8,         /* type */
        !           355:         0,                     /* rightshift */
        !           356:         0,                     /* size (0 = byte, 1 = short, 2 = long) */
        !           357:         8,                     /* bitsize */
        !           358:         FALSE,                 /* pc_relative */
        !           359:         0,                     /* bitpos */
        !           360:         complain_overflow_bitfield, /* complain_on_overflow */
        !           361:         sh_reloc,              /* special_function */
        !           362:         "r_switch8",           /* name */
        !           363:         TRUE,                  /* partial_inplace */
        !           364:         0xff,                  /* src_mask */
        !           365:         0xff,                  /* dst_mask */
        !           366:         FALSE)                 /* pcrel_offset */
        !           367: };
        !           368:
        !           369: #define SH_COFF_HOWTO_COUNT (sizeof sh_coff_howtos / sizeof sh_coff_howtos[0])
        !           370:
        !           371: /* Check for a bad magic number.  */
        !           372: #define BADMAG(x) SHBADMAG(x)
        !           373:
        !           374: /* Customize coffcode.h (this is not currently used).  */
        !           375: #define SH 1
        !           376:
        !           377: /* FIXME: This should not be set here.  */
        !           378: #define __A_MAGIC_SET__
        !           379:
        !           380: #ifndef COFF_WITH_PE
        !           381: /* Swap the r_offset field in and out.  */
        !           382: #define SWAP_IN_RELOC_OFFSET  H_GET_32
        !           383: #define SWAP_OUT_RELOC_OFFSET H_PUT_32
        !           384:
        !           385: /* Swap out extra information in the reloc structure.  */
        !           386: #define SWAP_OUT_RELOC_EXTRA(abfd, src, dst)   \
        !           387:   do                                           \
        !           388:     {                                          \
        !           389:       dst->r_stuff[0] = 'S';                   \
        !           390:       dst->r_stuff[1] = 'C';                   \
        !           391:     }                                          \
        !           392:   while (0)
        !           393: #endif
        !           394:
        !           395: /* Get the value of a symbol, when performing a relocation.  */
        !           396:
        !           397: static long
        !           398: get_symbol_value (asymbol *symbol)
        !           399: {
        !           400:   bfd_vma relocation;
        !           401:
        !           402:   if (bfd_is_com_section (symbol->section))
        !           403:     relocation = 0;
        !           404:   else
        !           405:     relocation = (symbol->value +
        !           406:                  symbol->section->output_section->vma +
        !           407:                  symbol->section->output_offset);
        !           408:
        !           409:   return relocation;
        !           410: }
        !           411:
        !           412: #ifdef COFF_WITH_PE
        !           413: /* Convert an rtype to howto for the COFF backend linker.
        !           414:    Copied from coff-i386.  */
        !           415: #define coff_rtype_to_howto coff_sh_rtype_to_howto
        !           416:
        !           417:
        !           418: static reloc_howto_type *
        !           419: coff_sh_rtype_to_howto (bfd * abfd ATTRIBUTE_UNUSED,
        !           420:                        asection * sec,
        !           421:                        struct internal_reloc * rel,
        !           422:                        struct coff_link_hash_entry * h,
        !           423:                        struct internal_syment * sym,
        !           424:                        bfd_vma * addendp)
        !           425: {
        !           426:   reloc_howto_type * howto;
        !           427:
        !           428:   howto = sh_coff_howtos + rel->r_type;
        !           429:
        !           430:   *addendp = 0;
        !           431:
        !           432:   if (howto->pc_relative)
        !           433:     *addendp += sec->vma;
        !           434:
        !           435:   if (sym != NULL && sym->n_scnum == 0 && sym->n_value != 0)
        !           436:     {
        !           437:       /* This is a common symbol.  The section contents include the
        !           438:         size (sym->n_value) as an addend.  The relocate_section
        !           439:         function will be adding in the final value of the symbol.  We
        !           440:         need to subtract out the current size in order to get the
        !           441:         correct result.  */
        !           442:       BFD_ASSERT (h != NULL);
        !           443:     }
        !           444:
        !           445:   if (howto->pc_relative)
        !           446:     {
        !           447:       *addendp -= 4;
        !           448:
        !           449:       /* If the symbol is defined, then the generic code is going to
        !           450:          add back the symbol value in order to cancel out an
        !           451:          adjustment it made to the addend.  However, we set the addend
        !           452:          to 0 at the start of this function.  We need to adjust here,
        !           453:          to avoid the adjustment the generic code will make.  FIXME:
        !           454:          This is getting a bit hackish.  */
        !           455:       if (sym != NULL && sym->n_scnum != 0)
        !           456:        *addendp -= sym->n_value;
        !           457:     }
        !           458:
        !           459:   if (rel->r_type == R_SH_IMAGEBASE)
        !           460:     *addendp -= pe_data (sec->output_section->owner)->pe_opthdr.ImageBase;
        !           461:
        !           462:   return howto;
        !           463: }
        !           464:
        !           465: #endif /* COFF_WITH_PE */
        !           466:
        !           467: /* This structure is used to map BFD reloc codes to SH PE relocs.  */
        !           468: struct shcoff_reloc_map
        !           469: {
        !           470:   bfd_reloc_code_real_type bfd_reloc_val;
        !           471:   unsigned char shcoff_reloc_val;
        !           472: };
        !           473:
        !           474: #ifdef COFF_WITH_PE
        !           475: /* An array mapping BFD reloc codes to SH PE relocs.  */
        !           476: static const struct shcoff_reloc_map sh_reloc_map[] =
        !           477: {
        !           478:   { BFD_RELOC_32, R_SH_IMM32CE },
        !           479:   { BFD_RELOC_RVA, R_SH_IMAGEBASE },
        !           480:   { BFD_RELOC_CTOR, R_SH_IMM32CE },
        !           481: };
        !           482: #else
        !           483: /* An array mapping BFD reloc codes to SH PE relocs.  */
        !           484: static const struct shcoff_reloc_map sh_reloc_map[] =
        !           485: {
        !           486:   { BFD_RELOC_32, R_SH_IMM32 },
        !           487:   { BFD_RELOC_CTOR, R_SH_IMM32 },
        !           488: };
        !           489: #endif
        !           490:
        !           491: /* Given a BFD reloc code, return the howto structure for the
        !           492:    corresponding SH PE reloc.  */
        !           493: #define coff_bfd_reloc_type_lookup     sh_coff_reloc_type_lookup
        !           494: #define coff_bfd_reloc_name_lookup sh_coff_reloc_name_lookup
        !           495:
        !           496: static reloc_howto_type *
        !           497: sh_coff_reloc_type_lookup (bfd * abfd ATTRIBUTE_UNUSED,
        !           498:                           bfd_reloc_code_real_type code)
        !           499: {
        !           500:   unsigned int i;
        !           501:
        !           502:   for (i = ARRAY_SIZE (sh_reloc_map); i--;)
        !           503:     if (sh_reloc_map[i].bfd_reloc_val == code)
        !           504:       return &sh_coff_howtos[(int) sh_reloc_map[i].shcoff_reloc_val];
        !           505:
        !           506:   (*_bfd_error_handler) (_("SH Error: unknown reloc type %d"), code);
        !           507:   return NULL;
        !           508: }
        !           509:
        !           510: static reloc_howto_type *
        !           511: sh_coff_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
        !           512:                           const char *r_name)
        !           513: {
        !           514:   unsigned int i;
        !           515:
        !           516:   for (i = 0; i < sizeof (sh_coff_howtos) / sizeof (sh_coff_howtos[0]); i++)
        !           517:     if (sh_coff_howtos[i].name != NULL
        !           518:        && strcasecmp (sh_coff_howtos[i].name, r_name) == 0)
        !           519:       return &sh_coff_howtos[i];
        !           520:
        !           521:   return NULL;
        !           522: }
        !           523:
        !           524: /* This macro is used in coffcode.h to get the howto corresponding to
        !           525:    an internal reloc.  */
        !           526:
        !           527: #define RTYPE2HOWTO(relent, internal)          \
        !           528:   ((relent)->howto =                           \
        !           529:    ((internal)->r_type < SH_COFF_HOWTO_COUNT   \
        !           530:     ? &sh_coff_howtos[(internal)->r_type]      \
        !           531:     : (reloc_howto_type *) NULL))
        !           532:
        !           533: /* This is the same as the macro in coffcode.h, except that it copies
        !           534:    r_offset into reloc_entry->addend for some relocs.  */
        !           535: #define CALC_ADDEND(abfd, ptr, reloc, cache_ptr)                \
        !           536:   {                                                             \
        !           537:     coff_symbol_type *coffsym = (coff_symbol_type *) NULL;      \
        !           538:     if (ptr && bfd_asymbol_bfd (ptr) != abfd)                   \
        !           539:       coffsym = (obj_symbols (abfd)                             \
        !           540:                  + (cache_ptr->sym_ptr_ptr - symbols));         \
        !           541:     else if (ptr)                                               \
        !           542:       coffsym = coff_symbol_from (abfd, ptr);                   \
        !           543:     if (coffsym != (coff_symbol_type *) NULL                    \
        !           544:         && coffsym->native->u.syment.n_scnum == 0)              \
        !           545:       cache_ptr->addend = 0;                                    \
        !           546:     else if (ptr && bfd_asymbol_bfd (ptr) == abfd               \
        !           547:              && ptr->section != (asection *) NULL)              \
        !           548:       cache_ptr->addend = - (ptr->section->vma + ptr->value);   \
        !           549:     else                                                        \
        !           550:       cache_ptr->addend = 0;                                    \
        !           551:     if ((reloc).r_type == R_SH_SWITCH8                         \
        !           552:        || (reloc).r_type == R_SH_SWITCH16                      \
        !           553:        || (reloc).r_type == R_SH_SWITCH32                      \
        !           554:        || (reloc).r_type == R_SH_USES                          \
        !           555:        || (reloc).r_type == R_SH_COUNT                         \
        !           556:        || (reloc).r_type == R_SH_ALIGN)                        \
        !           557:       cache_ptr->addend = (reloc).r_offset;                    \
        !           558:   }
        !           559:
        !           560: /* This is the howto function for the SH relocations.  */
        !           561:
        !           562: static bfd_reloc_status_type
        !           563: sh_reloc (bfd *      abfd,
        !           564:          arelent *  reloc_entry,
        !           565:          asymbol *  symbol_in,
        !           566:          void *     data,
        !           567:          asection * input_section,
        !           568:          bfd *      output_bfd,
        !           569:          char **    error_message ATTRIBUTE_UNUSED)
        !           570: {
        !           571:   unsigned long insn;
        !           572:   bfd_vma sym_value;
        !           573:   unsigned short r_type;
        !           574:   bfd_vma addr = reloc_entry->address;
        !           575:   bfd_byte *hit_data = addr + (bfd_byte *) data;
        !           576:
        !           577:   r_type = reloc_entry->howto->type;
        !           578:
        !           579:   if (output_bfd != NULL)
        !           580:     {
        !           581:       /* Partial linking--do nothing.  */
        !           582:       reloc_entry->address += input_section->output_offset;
        !           583:       return bfd_reloc_ok;
        !           584:     }
        !           585:
        !           586:   /* Almost all relocs have to do with relaxing.  If any work must be
        !           587:      done for them, it has been done in sh_relax_section.  */
        !           588:   if (r_type != R_SH_IMM32
        !           589: #ifdef COFF_WITH_PE
        !           590:       && r_type != R_SH_IMM32CE
        !           591:       && r_type != R_SH_IMAGEBASE
        !           592: #endif
        !           593:       && (r_type != R_SH_PCDISP
        !           594:          || (symbol_in->flags & BSF_LOCAL) != 0))
        !           595:     return bfd_reloc_ok;
        !           596:
        !           597:   if (symbol_in != NULL
        !           598:       && bfd_is_und_section (symbol_in->section))
        !           599:     return bfd_reloc_undefined;
        !           600:
        !           601:   sym_value = get_symbol_value (symbol_in);
        !           602:
        !           603:   switch (r_type)
        !           604:     {
        !           605:     case R_SH_IMM32:
        !           606: #ifdef COFF_WITH_PE
        !           607:     case R_SH_IMM32CE:
        !           608: #endif
        !           609:       insn = bfd_get_32 (abfd, hit_data);
        !           610:       insn += sym_value + reloc_entry->addend;
        !           611:       bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
        !           612:       break;
        !           613: #ifdef COFF_WITH_PE
        !           614:     case R_SH_IMAGEBASE:
        !           615:       insn = bfd_get_32 (abfd, hit_data);
        !           616:       insn += sym_value + reloc_entry->addend;
        !           617:       insn -= pe_data (input_section->output_section->owner)->pe_opthdr.ImageBase;
        !           618:       bfd_put_32 (abfd, (bfd_vma) insn, hit_data);
        !           619:       break;
        !           620: #endif
        !           621:     case R_SH_PCDISP:
        !           622:       insn = bfd_get_16 (abfd, hit_data);
        !           623:       sym_value += reloc_entry->addend;
        !           624:       sym_value -= (input_section->output_section->vma
        !           625:                    + input_section->output_offset
        !           626:                    + addr
        !           627:                    + 4);
        !           628:       sym_value += (insn & 0xfff) << 1;
        !           629:       if (insn & 0x800)
        !           630:        sym_value -= 0x1000;
        !           631:       insn = (insn & 0xf000) | (sym_value & 0xfff);
        !           632:       bfd_put_16 (abfd, (bfd_vma) insn, hit_data);
        !           633:       if (sym_value < (bfd_vma) -0x1000 || sym_value >= 0x1000)
        !           634:        return bfd_reloc_overflow;
        !           635:       break;
        !           636:     default:
        !           637:       abort ();
        !           638:       break;
        !           639:     }
        !           640:
        !           641:   return bfd_reloc_ok;
        !           642: }
        !           643:
        !           644: #define coff_bfd_merge_private_bfd_data _bfd_generic_verify_endian_match
        !           645:
        !           646: /* We can do relaxing.  */
        !           647: #define coff_bfd_relax_section sh_relax_section
        !           648:
        !           649: /* We use the special COFF backend linker.  */
        !           650: #define coff_relocate_section sh_relocate_section
        !           651:
        !           652: /* When relaxing, we need to use special code to get the relocated
        !           653:    section contents.  */
        !           654: #define coff_bfd_get_relocated_section_contents \
        !           655:   sh_coff_get_relocated_section_contents
        !           656:
        !           657: #include "coffcode.h"
        !           658: 
        !           659: static bfd_boolean
        !           660: sh_relax_delete_bytes (bfd *, asection *, bfd_vma, int);
        !           661:
        !           662: /* This function handles relaxing on the SH.
        !           663:
        !           664:    Function calls on the SH look like this:
        !           665:
        !           666:        movl  L1,r0
        !           667:        ...
        !           668:        jsr   @r0
        !           669:        ...
        !           670:      L1:
        !           671:        .long function
        !           672:
        !           673:    The compiler and assembler will cooperate to create R_SH_USES
        !           674:    relocs on the jsr instructions.  The r_offset field of the
        !           675:    R_SH_USES reloc is the PC relative offset to the instruction which
        !           676:    loads the register (the r_offset field is computed as though it
        !           677:    were a jump instruction, so the offset value is actually from four
        !           678:    bytes past the instruction).  The linker can use this reloc to
        !           679:    determine just which function is being called, and thus decide
        !           680:    whether it is possible to replace the jsr with a bsr.
        !           681:
        !           682:    If multiple function calls are all based on a single register load
        !           683:    (i.e., the same function is called multiple times), the compiler
        !           684:    guarantees that each function call will have an R_SH_USES reloc.
        !           685:    Therefore, if the linker is able to convert each R_SH_USES reloc
        !           686:    which refers to that address, it can safely eliminate the register
        !           687:    load.
        !           688:
        !           689:    When the assembler creates an R_SH_USES reloc, it examines it to
        !           690:    determine which address is being loaded (L1 in the above example).
        !           691:    It then counts the number of references to that address, and
        !           692:    creates an R_SH_COUNT reloc at that address.  The r_offset field of
        !           693:    the R_SH_COUNT reloc will be the number of references.  If the
        !           694:    linker is able to eliminate a register load, it can use the
        !           695:    R_SH_COUNT reloc to see whether it can also eliminate the function
        !           696:    address.
        !           697:
        !           698:    SH relaxing also handles another, unrelated, matter.  On the SH, if
        !           699:    a load or store instruction is not aligned on a four byte boundary,
        !           700:    the memory cycle interferes with the 32 bit instruction fetch,
        !           701:    causing a one cycle bubble in the pipeline.  Therefore, we try to
        !           702:    align load and store instructions on four byte boundaries if we
        !           703:    can, by swapping them with one of the adjacent instructions.  */
        !           704:
        !           705: static bfd_boolean
        !           706: sh_relax_section (bfd *abfd,
        !           707:                  asection *sec,
        !           708:                  struct bfd_link_info *link_info,
        !           709:                  bfd_boolean *again)
        !           710: {
        !           711:   struct internal_reloc *internal_relocs;
        !           712:   bfd_boolean have_code;
        !           713:   struct internal_reloc *irel, *irelend;
        !           714:   bfd_byte *contents = NULL;
        !           715:
        !           716:   *again = FALSE;
        !           717:
        !           718:   if (link_info->relocatable
        !           719:       || (sec->flags & SEC_RELOC) == 0
        !           720:       || sec->reloc_count == 0)
        !           721:     return TRUE;
        !           722:
        !           723:   if (coff_section_data (abfd, sec) == NULL)
        !           724:     {
        !           725:       bfd_size_type amt = sizeof (struct coff_section_tdata);
        !           726:       sec->used_by_bfd = bfd_zalloc (abfd, amt);
        !           727:       if (sec->used_by_bfd == NULL)
        !           728:        return FALSE;
        !           729:     }
        !           730:
        !           731:   internal_relocs = (_bfd_coff_read_internal_relocs
        !           732:                     (abfd, sec, link_info->keep_memory,
        !           733:                      (bfd_byte *) NULL, FALSE,
        !           734:                      (struct internal_reloc *) NULL));
        !           735:   if (internal_relocs == NULL)
        !           736:     goto error_return;
        !           737:
        !           738:   have_code = FALSE;
        !           739:
        !           740:   irelend = internal_relocs + sec->reloc_count;
        !           741:   for (irel = internal_relocs; irel < irelend; irel++)
        !           742:     {
        !           743:       bfd_vma laddr, paddr, symval;
        !           744:       unsigned short insn;
        !           745:       struct internal_reloc *irelfn, *irelscan, *irelcount;
        !           746:       struct internal_syment sym;
        !           747:       bfd_signed_vma foff;
        !           748:
        !           749:       if (irel->r_type == R_SH_CODE)
        !           750:        have_code = TRUE;
        !           751:
        !           752:       if (irel->r_type != R_SH_USES)
        !           753:        continue;
        !           754:
        !           755:       /* Get the section contents.  */
        !           756:       if (contents == NULL)
        !           757:        {
        !           758:          if (coff_section_data (abfd, sec)->contents != NULL)
        !           759:            contents = coff_section_data (abfd, sec)->contents;
        !           760:          else
        !           761:            {
        !           762:              if (!bfd_malloc_and_get_section (abfd, sec, &contents))
        !           763:                goto error_return;
        !           764:            }
        !           765:        }
        !           766:
        !           767:       /* The r_offset field of the R_SH_USES reloc will point us to
        !           768:          the register load.  The 4 is because the r_offset field is
        !           769:          computed as though it were a jump offset, which are based
        !           770:          from 4 bytes after the jump instruction.  */
        !           771:       laddr = irel->r_vaddr - sec->vma + 4;
        !           772:       /* Careful to sign extend the 32-bit offset.  */
        !           773:       laddr += ((irel->r_offset & 0xffffffff) ^ 0x80000000) - 0x80000000;
        !           774:       if (laddr >= sec->size)
        !           775:        {
        !           776:          (*_bfd_error_handler) ("%B: 0x%lx: warning: bad R_SH_USES offset",
        !           777:                                 abfd, (unsigned long) irel->r_vaddr);
        !           778:          continue;
        !           779:        }
        !           780:       insn = bfd_get_16 (abfd, contents + laddr);
        !           781:
        !           782:       /* If the instruction is not mov.l NN,rN, we don't know what to do.  */
        !           783:       if ((insn & 0xf000) != 0xd000)
        !           784:        {
        !           785:          ((*_bfd_error_handler)
        !           786:           ("%B: 0x%lx: warning: R_SH_USES points to unrecognized insn 0x%x",
        !           787:            abfd, (unsigned long) irel->r_vaddr, insn));
        !           788:          continue;
        !           789:        }
        !           790:
        !           791:       /* Get the address from which the register is being loaded.  The
        !           792:         displacement in the mov.l instruction is quadrupled.  It is a
        !           793:         displacement from four bytes after the movl instruction, but,
        !           794:         before adding in the PC address, two least significant bits
        !           795:         of the PC are cleared.  We assume that the section is aligned
        !           796:         on a four byte boundary.  */
        !           797:       paddr = insn & 0xff;
        !           798:       paddr *= 4;
        !           799:       paddr += (laddr + 4) &~ (bfd_vma) 3;
        !           800:       if (paddr >= sec->size)
        !           801:        {
        !           802:          ((*_bfd_error_handler)
        !           803:           ("%B: 0x%lx: warning: bad R_SH_USES load offset",
        !           804:            abfd, (unsigned long) irel->r_vaddr));
        !           805:          continue;
        !           806:        }
        !           807:
        !           808:       /* Get the reloc for the address from which the register is
        !           809:          being loaded.  This reloc will tell us which function is
        !           810:          actually being called.  */
        !           811:       paddr += sec->vma;
        !           812:       for (irelfn = internal_relocs; irelfn < irelend; irelfn++)
        !           813:        if (irelfn->r_vaddr == paddr
        !           814: #ifdef COFF_WITH_PE
        !           815:            && (irelfn->r_type == R_SH_IMM32
        !           816:                || irelfn->r_type == R_SH_IMM32CE
        !           817:                || irelfn->r_type == R_SH_IMAGEBASE)
        !           818:
        !           819: #else
        !           820:            && irelfn->r_type == R_SH_IMM32
        !           821: #endif
        !           822:            )
        !           823:          break;
        !           824:       if (irelfn >= irelend)
        !           825:        {
        !           826:          ((*_bfd_error_handler)
        !           827:           ("%B: 0x%lx: warning: could not find expected reloc",
        !           828:            abfd, (unsigned long) paddr));
        !           829:          continue;
        !           830:        }
        !           831:
        !           832:       /* Get the value of the symbol referred to by the reloc.  */
        !           833:       if (! _bfd_coff_get_external_symbols (abfd))
        !           834:        goto error_return;
        !           835:       bfd_coff_swap_sym_in (abfd,
        !           836:                            ((bfd_byte *) obj_coff_external_syms (abfd)
        !           837:                             + (irelfn->r_symndx
        !           838:                                * bfd_coff_symesz (abfd))),
        !           839:                            &sym);
        !           840:       if (sym.n_scnum != 0 && sym.n_scnum != sec->target_index)
        !           841:        {
        !           842:          ((*_bfd_error_handler)
        !           843:           ("%B: 0x%lx: warning: symbol in unexpected section",
        !           844:            abfd, (unsigned long) paddr));
        !           845:          continue;
        !           846:        }
        !           847:
        !           848:       if (sym.n_sclass != C_EXT)
        !           849:        {
        !           850:          symval = (sym.n_value
        !           851:                    - sec->vma
        !           852:                    + sec->output_section->vma
        !           853:                    + sec->output_offset);
        !           854:        }
        !           855:       else
        !           856:        {
        !           857:          struct coff_link_hash_entry *h;
        !           858:
        !           859:          h = obj_coff_sym_hashes (abfd)[irelfn->r_symndx];
        !           860:          BFD_ASSERT (h != NULL);
        !           861:          if (h->root.type != bfd_link_hash_defined
        !           862:              && h->root.type != bfd_link_hash_defweak)
        !           863:            {
        !           864:              /* This appears to be a reference to an undefined
        !           865:                  symbol.  Just ignore it--it will be caught by the
        !           866:                  regular reloc processing.  */
        !           867:              continue;
        !           868:            }
        !           869:
        !           870:          symval = (h->root.u.def.value
        !           871:                    + h->root.u.def.section->output_section->vma
        !           872:                    + h->root.u.def.section->output_offset);
        !           873:        }
        !           874:
        !           875:       symval += bfd_get_32 (abfd, contents + paddr - sec->vma);
        !           876:
        !           877:       /* See if this function call can be shortened.  */
        !           878:       foff = (symval
        !           879:              - (irel->r_vaddr
        !           880:                 - sec->vma
        !           881:                 + sec->output_section->vma
        !           882:                 + sec->output_offset
        !           883:                 + 4));
        !           884:       if (foff < -0x1000 || foff >= 0x1000)
        !           885:        {
        !           886:          /* After all that work, we can't shorten this function call.  */
        !           887:          continue;
        !           888:        }
        !           889:
        !           890:       /* Shorten the function call.  */
        !           891:
        !           892:       /* For simplicity of coding, we are going to modify the section
        !           893:         contents, the section relocs, and the BFD symbol table.  We
        !           894:         must tell the rest of the code not to free up this
        !           895:         information.  It would be possible to instead create a table
        !           896:         of changes which have to be made, as is done in coff-mips.c;
        !           897:         that would be more work, but would require less memory when
        !           898:         the linker is run.  */
        !           899:
        !           900:       coff_section_data (abfd, sec)->relocs = internal_relocs;
        !           901:       coff_section_data (abfd, sec)->keep_relocs = TRUE;
        !           902:
        !           903:       coff_section_data (abfd, sec)->contents = contents;
        !           904:       coff_section_data (abfd, sec)->keep_contents = TRUE;
        !           905:
        !           906:       obj_coff_keep_syms (abfd) = TRUE;
        !           907:
        !           908:       /* Replace the jsr with a bsr.  */
        !           909:
        !           910:       /* Change the R_SH_USES reloc into an R_SH_PCDISP reloc, and
        !           911:          replace the jsr with a bsr.  */
        !           912:       irel->r_type = R_SH_PCDISP;
        !           913:       irel->r_symndx = irelfn->r_symndx;
        !           914:       if (sym.n_sclass != C_EXT)
        !           915:        {
        !           916:          /* If this needs to be changed because of future relaxing,
        !           917:              it will be handled here like other internal PCDISP
        !           918:              relocs.  */
        !           919:          bfd_put_16 (abfd,
        !           920:                      (bfd_vma) 0xb000 | ((foff >> 1) & 0xfff),
        !           921:                      contents + irel->r_vaddr - sec->vma);
        !           922:        }
        !           923:       else
        !           924:        {
        !           925:          /* We can't fully resolve this yet, because the external
        !           926:              symbol value may be changed by future relaxing.  We let
        !           927:              the final link phase handle it.  */
        !           928:          bfd_put_16 (abfd, (bfd_vma) 0xb000,
        !           929:                      contents + irel->r_vaddr - sec->vma);
        !           930:        }
        !           931:
        !           932:       /* See if there is another R_SH_USES reloc referring to the same
        !           933:          register load.  */
        !           934:       for (irelscan = internal_relocs; irelscan < irelend; irelscan++)
        !           935:        if (irelscan->r_type == R_SH_USES
        !           936:            && laddr == irelscan->r_vaddr - sec->vma + 4 + irelscan->r_offset)
        !           937:          break;
        !           938:       if (irelscan < irelend)
        !           939:        {
        !           940:          /* Some other function call depends upon this register load,
        !           941:             and we have not yet converted that function call.
        !           942:             Indeed, we may never be able to convert it.  There is
        !           943:             nothing else we can do at this point.  */
        !           944:          continue;
        !           945:        }
        !           946:
        !           947:       /* Look for a R_SH_COUNT reloc on the location where the
        !           948:          function address is stored.  Do this before deleting any
        !           949:          bytes, to avoid confusion about the address.  */
        !           950:       for (irelcount = internal_relocs; irelcount < irelend; irelcount++)
        !           951:        if (irelcount->r_vaddr == paddr
        !           952:            && irelcount->r_type == R_SH_COUNT)
        !           953:          break;
        !           954:
        !           955:       /* Delete the register load.  */
        !           956:       if (! sh_relax_delete_bytes (abfd, sec, laddr, 2))
        !           957:        goto error_return;
        !           958:
        !           959:       /* That will change things, so, just in case it permits some
        !           960:          other function call to come within range, we should relax
        !           961:          again.  Note that this is not required, and it may be slow.  */
        !           962:       *again = TRUE;
        !           963:
        !           964:       /* Now check whether we got a COUNT reloc.  */
        !           965:       if (irelcount >= irelend)
        !           966:        {
        !           967:          ((*_bfd_error_handler)
        !           968:           ("%B: 0x%lx: warning: could not find expected COUNT reloc",
        !           969:            abfd, (unsigned long) paddr));
        !           970:          continue;
        !           971:        }
        !           972:
        !           973:       /* The number of uses is stored in the r_offset field.  We've
        !           974:          just deleted one.  */
        !           975:       if (irelcount->r_offset == 0)
        !           976:        {
        !           977:          ((*_bfd_error_handler) ("%B: 0x%lx: warning: bad count",
        !           978:                                  abfd, (unsigned long) paddr));
        !           979:          continue;
        !           980:        }
        !           981:
        !           982:       --irelcount->r_offset;
        !           983:
        !           984:       /* If there are no more uses, we can delete the address.  Reload
        !           985:          the address from irelfn, in case it was changed by the
        !           986:          previous call to sh_relax_delete_bytes.  */
        !           987:       if (irelcount->r_offset == 0)
        !           988:        {
        !           989:          if (! sh_relax_delete_bytes (abfd, sec,
        !           990:                                       irelfn->r_vaddr - sec->vma, 4))
        !           991:            goto error_return;
        !           992:        }
        !           993:
        !           994:       /* We've done all we can with that function call.  */
        !           995:     }
        !           996:
        !           997:   /* Look for load and store instructions that we can align on four
        !           998:      byte boundaries.  */
        !           999:   if (have_code)
        !          1000:     {
        !          1001:       bfd_boolean swapped;
        !          1002:
        !          1003:       /* Get the section contents.  */
        !          1004:       if (contents == NULL)
        !          1005:        {
        !          1006:          if (coff_section_data (abfd, sec)->contents != NULL)
        !          1007:            contents = coff_section_data (abfd, sec)->contents;
        !          1008:          else
        !          1009:            {
        !          1010:              if (!bfd_malloc_and_get_section (abfd, sec, &contents))
        !          1011:                goto error_return;
        !          1012:            }
        !          1013:        }
        !          1014:
        !          1015:       if (! sh_align_loads (abfd, sec, internal_relocs, contents, &swapped))
        !          1016:        goto error_return;
        !          1017:
        !          1018:       if (swapped)
        !          1019:        {
        !          1020:          coff_section_data (abfd, sec)->relocs = internal_relocs;
        !          1021:          coff_section_data (abfd, sec)->keep_relocs = TRUE;
        !          1022:
        !          1023:          coff_section_data (abfd, sec)->contents = contents;
        !          1024:          coff_section_data (abfd, sec)->keep_contents = TRUE;
        !          1025:
        !          1026:          obj_coff_keep_syms (abfd) = TRUE;
        !          1027:        }
        !          1028:     }
        !          1029:
        !          1030:   if (internal_relocs != NULL
        !          1031:       && internal_relocs != coff_section_data (abfd, sec)->relocs)
        !          1032:     {
        !          1033:       if (! link_info->keep_memory)
        !          1034:        free (internal_relocs);
        !          1035:       else
        !          1036:        coff_section_data (abfd, sec)->relocs = internal_relocs;
        !          1037:     }
        !          1038:
        !          1039:   if (contents != NULL && contents != coff_section_data (abfd, sec)->contents)
        !          1040:     {
        !          1041:       if (! link_info->keep_memory)
        !          1042:        free (contents);
        !          1043:       else
        !          1044:        /* Cache the section contents for coff_link_input_bfd.  */
        !          1045:        coff_section_data (abfd, sec)->contents = contents;
        !          1046:     }
        !          1047:
        !          1048:   return TRUE;
        !          1049:
        !          1050:  error_return:
        !          1051:   if (internal_relocs != NULL
        !          1052:       && internal_relocs != coff_section_data (abfd, sec)->relocs)
        !          1053:     free (internal_relocs);
        !          1054:   if (contents != NULL && contents != coff_section_data (abfd, sec)->contents)
        !          1055:     free (contents);
        !          1056:   return FALSE;
        !          1057: }
        !          1058:
        !          1059: /* Delete some bytes from a section while relaxing.  */
        !          1060:
        !          1061: static bfd_boolean
        !          1062: sh_relax_delete_bytes (bfd *abfd,
        !          1063:                       asection *sec,
        !          1064:                       bfd_vma addr,
        !          1065:                       int count)
        !          1066: {
        !          1067:   bfd_byte *contents;
        !          1068:   struct internal_reloc *irel, *irelend;
        !          1069:   struct internal_reloc *irelalign;
        !          1070:   bfd_vma toaddr;
        !          1071:   bfd_byte *esym, *esymend;
        !          1072:   bfd_size_type symesz;
        !          1073:   struct coff_link_hash_entry **sym_hash;
        !          1074:   asection *o;
        !          1075:
        !          1076:   contents = coff_section_data (abfd, sec)->contents;
        !          1077:
        !          1078:   /* The deletion must stop at the next ALIGN reloc for an aligment
        !          1079:      power larger than the number of bytes we are deleting.  */
        !          1080:
        !          1081:   irelalign = NULL;
        !          1082:   toaddr = sec->size;
        !          1083:
        !          1084:   irel = coff_section_data (abfd, sec)->relocs;
        !          1085:   irelend = irel + sec->reloc_count;
        !          1086:   for (; irel < irelend; irel++)
        !          1087:     {
        !          1088:       if (irel->r_type == R_SH_ALIGN
        !          1089:          && irel->r_vaddr - sec->vma > addr
        !          1090:          && count < (1 << irel->r_offset))
        !          1091:        {
        !          1092:          irelalign = irel;
        !          1093:          toaddr = irel->r_vaddr - sec->vma;
        !          1094:          break;
        !          1095:        }
        !          1096:     }
        !          1097:
        !          1098:   /* Actually delete the bytes.  */
        !          1099:   memmove (contents + addr, contents + addr + count,
        !          1100:           (size_t) (toaddr - addr - count));
        !          1101:   if (irelalign == NULL)
        !          1102:     sec->size -= count;
        !          1103:   else
        !          1104:     {
        !          1105:       int i;
        !          1106:
        !          1107: #define NOP_OPCODE (0x0009)
        !          1108:
        !          1109:       BFD_ASSERT ((count & 1) == 0);
        !          1110:       for (i = 0; i < count; i += 2)
        !          1111:        bfd_put_16 (abfd, (bfd_vma) NOP_OPCODE, contents + toaddr - count + i);
        !          1112:     }
        !          1113:
        !          1114:   /* Adjust all the relocs.  */
        !          1115:   for (irel = coff_section_data (abfd, sec)->relocs; irel < irelend; irel++)
        !          1116:     {
        !          1117:       bfd_vma nraddr, stop;
        !          1118:       bfd_vma start = 0;
        !          1119:       int insn = 0;
        !          1120:       struct internal_syment sym;
        !          1121:       int off, adjust, oinsn;
        !          1122:       bfd_signed_vma voff = 0;
        !          1123:       bfd_boolean overflow;
        !          1124:
        !          1125:       /* Get the new reloc address.  */
        !          1126:       nraddr = irel->r_vaddr - sec->vma;
        !          1127:       if ((irel->r_vaddr - sec->vma > addr
        !          1128:           && irel->r_vaddr - sec->vma < toaddr)
        !          1129:          || (irel->r_type == R_SH_ALIGN
        !          1130:              && irel->r_vaddr - sec->vma == toaddr))
        !          1131:        nraddr -= count;
        !          1132:
        !          1133:       /* See if this reloc was for the bytes we have deleted, in which
        !          1134:         case we no longer care about it.  Don't delete relocs which
        !          1135:         represent addresses, though.  */
        !          1136:       if (irel->r_vaddr - sec->vma >= addr
        !          1137:          && irel->r_vaddr - sec->vma < addr + count
        !          1138:          && irel->r_type != R_SH_ALIGN
        !          1139:          && irel->r_type != R_SH_CODE
        !          1140:          && irel->r_type != R_SH_DATA
        !          1141:          && irel->r_type != R_SH_LABEL)
        !          1142:        irel->r_type = R_SH_UNUSED;
        !          1143:
        !          1144:       /* If this is a PC relative reloc, see if the range it covers
        !          1145:          includes the bytes we have deleted.  */
        !          1146:       switch (irel->r_type)
        !          1147:        {
        !          1148:        default:
        !          1149:          break;
        !          1150:
        !          1151:        case R_SH_PCDISP8BY2:
        !          1152:        case R_SH_PCDISP:
        !          1153:        case R_SH_PCRELIMM8BY2:
        !          1154:        case R_SH_PCRELIMM8BY4:
        !          1155:          start = irel->r_vaddr - sec->vma;
        !          1156:          insn = bfd_get_16 (abfd, contents + nraddr);
        !          1157:          break;
        !          1158:        }
        !          1159:
        !          1160:       switch (irel->r_type)
        !          1161:        {
        !          1162:        default:
        !          1163:          start = stop = addr;
        !          1164:          break;
        !          1165:
        !          1166:        case R_SH_IMM32:
        !          1167: #ifdef COFF_WITH_PE
        !          1168:        case R_SH_IMM32CE:
        !          1169:        case R_SH_IMAGEBASE:
        !          1170: #endif
        !          1171:          /* If this reloc is against a symbol defined in this
        !          1172:              section, and the symbol will not be adjusted below, we
        !          1173:              must check the addend to see it will put the value in
        !          1174:              range to be adjusted, and hence must be changed.  */
        !          1175:          bfd_coff_swap_sym_in (abfd,
        !          1176:                                ((bfd_byte *) obj_coff_external_syms (abfd)
        !          1177:                                 + (irel->r_symndx
        !          1178:                                    * bfd_coff_symesz (abfd))),
        !          1179:                                &sym);
        !          1180:          if (sym.n_sclass != C_EXT
        !          1181:              && sym.n_scnum == sec->target_index
        !          1182:              && ((bfd_vma) sym.n_value <= addr
        !          1183:                  || (bfd_vma) sym.n_value >= toaddr))
        !          1184:            {
        !          1185:              bfd_vma val;
        !          1186:
        !          1187:              val = bfd_get_32 (abfd, contents + nraddr);
        !          1188:              val += sym.n_value;
        !          1189:              if (val > addr && val < toaddr)
        !          1190:                bfd_put_32 (abfd, val - count, contents + nraddr);
        !          1191:            }
        !          1192:          start = stop = addr;
        !          1193:          break;
        !          1194:
        !          1195:        case R_SH_PCDISP8BY2:
        !          1196:          off = insn & 0xff;
        !          1197:          if (off & 0x80)
        !          1198:            off -= 0x100;
        !          1199:          stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
        !          1200:          break;
        !          1201:
        !          1202:        case R_SH_PCDISP:
        !          1203:          bfd_coff_swap_sym_in (abfd,
        !          1204:                                ((bfd_byte *) obj_coff_external_syms (abfd)
        !          1205:                                 + (irel->r_symndx
        !          1206:                                    * bfd_coff_symesz (abfd))),
        !          1207:                                &sym);
        !          1208:          if (sym.n_sclass == C_EXT)
        !          1209:            start = stop = addr;
        !          1210:          else
        !          1211:            {
        !          1212:              off = insn & 0xfff;
        !          1213:              if (off & 0x800)
        !          1214:                off -= 0x1000;
        !          1215:              stop = (bfd_vma) ((bfd_signed_vma) start + 4 + off * 2);
        !          1216:            }
        !          1217:          break;
        !          1218:
        !          1219:        case R_SH_PCRELIMM8BY2:
        !          1220:          off = insn & 0xff;
        !          1221:          stop = start + 4 + off * 2;
        !          1222:          break;
        !          1223:
        !          1224:        case R_SH_PCRELIMM8BY4:
        !          1225:          off = insn & 0xff;
        !          1226:          stop = (start &~ (bfd_vma) 3) + 4 + off * 4;
        !          1227:          break;
        !          1228:
        !          1229:        case R_SH_SWITCH8:
        !          1230:        case R_SH_SWITCH16:
        !          1231:        case R_SH_SWITCH32:
        !          1232:          /* These relocs types represent
        !          1233:               .word L2-L1
        !          1234:             The r_offset field holds the difference between the reloc
        !          1235:             address and L1.  That is the start of the reloc, and
        !          1236:             adding in the contents gives us the top.  We must adjust
        !          1237:             both the r_offset field and the section contents.  */
        !          1238:
        !          1239:          start = irel->r_vaddr - sec->vma;
        !          1240:          stop = (bfd_vma) ((bfd_signed_vma) start - (long) irel->r_offset);
        !          1241:
        !          1242:          if (start > addr
        !          1243:              && start < toaddr
        !          1244:              && (stop <= addr || stop >= toaddr))
        !          1245:            irel->r_offset += count;
        !          1246:          else if (stop > addr
        !          1247:                   && stop < toaddr
        !          1248:                   && (start <= addr || start >= toaddr))
        !          1249:            irel->r_offset -= count;
        !          1250:
        !          1251:          start = stop;
        !          1252:
        !          1253:          if (irel->r_type == R_SH_SWITCH16)
        !          1254:            voff = bfd_get_signed_16 (abfd, contents + nraddr);
        !          1255:          else if (irel->r_type == R_SH_SWITCH8)
        !          1256:            voff = bfd_get_8 (abfd, contents + nraddr);
        !          1257:          else
        !          1258:            voff = bfd_get_signed_32 (abfd, contents + nraddr);
        !          1259:          stop = (bfd_vma) ((bfd_signed_vma) start + voff);
        !          1260:
        !          1261:          break;
        !          1262:
        !          1263:        case R_SH_USES:
        !          1264:          start = irel->r_vaddr - sec->vma;
        !          1265:          stop = (bfd_vma) ((bfd_signed_vma) start
        !          1266:                            + (long) irel->r_offset
        !          1267:                            + 4);
        !          1268:          break;
        !          1269:        }
        !          1270:
        !          1271:       if (start > addr
        !          1272:          && start < toaddr
        !          1273:          && (stop <= addr || stop >= toaddr))
        !          1274:        adjust = count;
        !          1275:       else if (stop > addr
        !          1276:               && stop < toaddr
        !          1277:               && (start <= addr || start >= toaddr))
        !          1278:        adjust = - count;
        !          1279:       else
        !          1280:        adjust = 0;
        !          1281:
        !          1282:       if (adjust != 0)
        !          1283:        {
        !          1284:          oinsn = insn;
        !          1285:          overflow = FALSE;
        !          1286:          switch (irel->r_type)
        !          1287:            {
        !          1288:            default:
        !          1289:              abort ();
        !          1290:              break;
        !          1291:
        !          1292:            case R_SH_PCDISP8BY2:
        !          1293:            case R_SH_PCRELIMM8BY2:
        !          1294:              insn += adjust / 2;
        !          1295:              if ((oinsn & 0xff00) != (insn & 0xff00))
        !          1296:                overflow = TRUE;
        !          1297:              bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
        !          1298:              break;
        !          1299:
        !          1300:            case R_SH_PCDISP:
        !          1301:              insn += adjust / 2;
        !          1302:              if ((oinsn & 0xf000) != (insn & 0xf000))
        !          1303:                overflow = TRUE;
        !          1304:              bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
        !          1305:              break;
        !          1306:
        !          1307:            case R_SH_PCRELIMM8BY4:
        !          1308:              BFD_ASSERT (adjust == count || count >= 4);
        !          1309:              if (count >= 4)
        !          1310:                insn += adjust / 4;
        !          1311:              else
        !          1312:                {
        !          1313:                  if ((irel->r_vaddr & 3) == 0)
        !          1314:                    ++insn;
        !          1315:                }
        !          1316:              if ((oinsn & 0xff00) != (insn & 0xff00))
        !          1317:                overflow = TRUE;
        !          1318:              bfd_put_16 (abfd, (bfd_vma) insn, contents + nraddr);
        !          1319:              break;
        !          1320:
        !          1321:            case R_SH_SWITCH8:
        !          1322:              voff += adjust;
        !          1323:              if (voff < 0 || voff >= 0xff)
        !          1324:                overflow = TRUE;
        !          1325:              bfd_put_8 (abfd, (bfd_vma) voff, contents + nraddr);
        !          1326:              break;
        !          1327:
        !          1328:            case R_SH_SWITCH16:
        !          1329:              voff += adjust;
        !          1330:              if (voff < - 0x8000 || voff >= 0x8000)
        !          1331:                overflow = TRUE;
        !          1332:              bfd_put_signed_16 (abfd, (bfd_vma) voff, contents + nraddr);
        !          1333:              break;
        !          1334:
        !          1335:            case R_SH_SWITCH32:
        !          1336:              voff += adjust;
        !          1337:              bfd_put_signed_32 (abfd, (bfd_vma) voff, contents + nraddr);
        !          1338:              break;
        !          1339:
        !          1340:            case R_SH_USES:
        !          1341:              irel->r_offset += adjust;
        !          1342:              break;
        !          1343:            }
        !          1344:
        !          1345:          if (overflow)
        !          1346:            {
        !          1347:              ((*_bfd_error_handler)
        !          1348:               ("%B: 0x%lx: fatal: reloc overflow while relaxing",
        !          1349:                abfd, (unsigned long) irel->r_vaddr));
        !          1350:              bfd_set_error (bfd_error_bad_value);
        !          1351:              return FALSE;
        !          1352:            }
        !          1353:        }
        !          1354:
        !          1355:       irel->r_vaddr = nraddr + sec->vma;
        !          1356:     }
        !          1357:
        !          1358:   /* Look through all the other sections.  If there contain any IMM32
        !          1359:      relocs against internal symbols which we are not going to adjust
        !          1360:      below, we may need to adjust the addends.  */
        !          1361:   for (o = abfd->sections; o != NULL; o = o->next)
        !          1362:     {
        !          1363:       struct internal_reloc *internal_relocs;
        !          1364:       struct internal_reloc *irelscan, *irelscanend;
        !          1365:       bfd_byte *ocontents;
        !          1366:
        !          1367:       if (o == sec
        !          1368:          || (o->flags & SEC_RELOC) == 0
        !          1369:          || o->reloc_count == 0)
        !          1370:        continue;
        !          1371:
        !          1372:       /* We always cache the relocs.  Perhaps, if info->keep_memory is
        !          1373:          FALSE, we should free them, if we are permitted to, when we
        !          1374:          leave sh_coff_relax_section.  */
        !          1375:       internal_relocs = (_bfd_coff_read_internal_relocs
        !          1376:                         (abfd, o, TRUE, (bfd_byte *) NULL, FALSE,
        !          1377:                          (struct internal_reloc *) NULL));
        !          1378:       if (internal_relocs == NULL)
        !          1379:        return FALSE;
        !          1380:
        !          1381:       ocontents = NULL;
        !          1382:       irelscanend = internal_relocs + o->reloc_count;
        !          1383:       for (irelscan = internal_relocs; irelscan < irelscanend; irelscan++)
        !          1384:        {
        !          1385:          struct internal_syment sym;
        !          1386:
        !          1387: #ifdef COFF_WITH_PE
        !          1388:          if (irelscan->r_type != R_SH_IMM32
        !          1389:              && irelscan->r_type != R_SH_IMAGEBASE
        !          1390:              && irelscan->r_type != R_SH_IMM32CE)
        !          1391: #else
        !          1392:          if (irelscan->r_type != R_SH_IMM32)
        !          1393: #endif
        !          1394:            continue;
        !          1395:
        !          1396:          bfd_coff_swap_sym_in (abfd,
        !          1397:                                ((bfd_byte *) obj_coff_external_syms (abfd)
        !          1398:                                 + (irelscan->r_symndx
        !          1399:                                    * bfd_coff_symesz (abfd))),
        !          1400:                                &sym);
        !          1401:          if (sym.n_sclass != C_EXT
        !          1402:              && sym.n_scnum == sec->target_index
        !          1403:              && ((bfd_vma) sym.n_value <= addr
        !          1404:                  || (bfd_vma) sym.n_value >= toaddr))
        !          1405:            {
        !          1406:              bfd_vma val;
        !          1407:
        !          1408:              if (ocontents == NULL)
        !          1409:                {
        !          1410:                  if (coff_section_data (abfd, o)->contents != NULL)
        !          1411:                    ocontents = coff_section_data (abfd, o)->contents;
        !          1412:                  else
        !          1413:                    {
        !          1414:                      if (!bfd_malloc_and_get_section (abfd, o, &ocontents))
        !          1415:                        return FALSE;
        !          1416:                      /* We always cache the section contents.
        !          1417:                          Perhaps, if info->keep_memory is FALSE, we
        !          1418:                          should free them, if we are permitted to,
        !          1419:                          when we leave sh_coff_relax_section.  */
        !          1420:                      coff_section_data (abfd, o)->contents = ocontents;
        !          1421:                    }
        !          1422:                }
        !          1423:
        !          1424:              val = bfd_get_32 (abfd, ocontents + irelscan->r_vaddr - o->vma);
        !          1425:              val += sym.n_value;
        !          1426:              if (val > addr && val < toaddr)
        !          1427:                bfd_put_32 (abfd, val - count,
        !          1428:                            ocontents + irelscan->r_vaddr - o->vma);
        !          1429:
        !          1430:              coff_section_data (abfd, o)->keep_contents = TRUE;
        !          1431:            }
        !          1432:        }
        !          1433:     }
        !          1434:
        !          1435:   /* Adjusting the internal symbols will not work if something has
        !          1436:      already retrieved the generic symbols.  It would be possible to
        !          1437:      make this work by adjusting the generic symbols at the same time.
        !          1438:      However, this case should not arise in normal usage.  */
        !          1439:   if (obj_symbols (abfd) != NULL
        !          1440:       || obj_raw_syments (abfd) != NULL)
        !          1441:     {
        !          1442:       ((*_bfd_error_handler)
        !          1443:        ("%B: fatal: generic symbols retrieved before relaxing", abfd));
        !          1444:       bfd_set_error (bfd_error_invalid_operation);
        !          1445:       return FALSE;
        !          1446:     }
        !          1447:
        !          1448:   /* Adjust all the symbols.  */
        !          1449:   sym_hash = obj_coff_sym_hashes (abfd);
        !          1450:   symesz = bfd_coff_symesz (abfd);
        !          1451:   esym = (bfd_byte *) obj_coff_external_syms (abfd);
        !          1452:   esymend = esym + obj_raw_syment_count (abfd) * symesz;
        !          1453:   while (esym < esymend)
        !          1454:     {
        !          1455:       struct internal_syment isym;
        !          1456:
        !          1457:       bfd_coff_swap_sym_in (abfd, esym, &isym);
        !          1458:
        !          1459:       if (isym.n_scnum == sec->target_index
        !          1460:          && (bfd_vma) isym.n_value > addr
        !          1461:          && (bfd_vma) isym.n_value < toaddr)
        !          1462:        {
        !          1463:          isym.n_value -= count;
        !          1464:
        !          1465:          bfd_coff_swap_sym_out (abfd, &isym, esym);
        !          1466:
        !          1467:          if (*sym_hash != NULL)
        !          1468:            {
        !          1469:              BFD_ASSERT ((*sym_hash)->root.type == bfd_link_hash_defined
        !          1470:                          || (*sym_hash)->root.type == bfd_link_hash_defweak);
        !          1471:              BFD_ASSERT ((*sym_hash)->root.u.def.value >= addr
        !          1472:                          && (*sym_hash)->root.u.def.value < toaddr);
        !          1473:              (*sym_hash)->root.u.def.value -= count;
        !          1474:            }
        !          1475:        }
        !          1476:
        !          1477:       esym += (isym.n_numaux + 1) * symesz;
        !          1478:       sym_hash += isym.n_numaux + 1;
        !          1479:     }
        !          1480:
        !          1481:   /* See if we can move the ALIGN reloc forward.  We have adjusted
        !          1482:      r_vaddr for it already.  */
        !          1483:   if (irelalign != NULL)
        !          1484:     {
        !          1485:       bfd_vma alignto, alignaddr;
        !          1486:
        !          1487:       alignto = BFD_ALIGN (toaddr, 1 << irelalign->r_offset);
        !          1488:       alignaddr = BFD_ALIGN (irelalign->r_vaddr - sec->vma,
        !          1489:                             1 << irelalign->r_offset);
        !          1490:       if (alignto != alignaddr)
        !          1491:        {
        !          1492:          /* Tail recursion.  */
        !          1493:          return sh_relax_delete_bytes (abfd, sec, alignaddr,
        !          1494:                                        (int) (alignto - alignaddr));
        !          1495:        }
        !          1496:     }
        !          1497:
        !          1498:   return TRUE;
        !          1499: }
        !          1500: 
        !          1501: /* This is yet another version of the SH opcode table, used to rapidly
        !          1502:    get information about a particular instruction.  */
        !          1503:
        !          1504: /* The opcode map is represented by an array of these structures.  The
        !          1505:    array is indexed by the high order four bits in the instruction.  */
        !          1506:
        !          1507: struct sh_major_opcode
        !          1508: {
        !          1509:   /* A pointer to the instruction list.  This is an array which
        !          1510:      contains all the instructions with this major opcode.  */
        !          1511:   const struct sh_minor_opcode *minor_opcodes;
        !          1512:   /* The number of elements in minor_opcodes.  */
        !          1513:   unsigned short count;
        !          1514: };
        !          1515:
        !          1516: /* This structure holds information for a set of SH opcodes.  The
        !          1517:    instruction code is anded with the mask value, and the resulting
        !          1518:    value is used to search the order opcode list.  */
        !          1519:
        !          1520: struct sh_minor_opcode
        !          1521: {
        !          1522:   /* The sorted opcode list.  */
        !          1523:   const struct sh_opcode *opcodes;
        !          1524:   /* The number of elements in opcodes.  */
        !          1525:   unsigned short count;
        !          1526:   /* The mask value to use when searching the opcode list.  */
        !          1527:   unsigned short mask;
        !          1528: };
        !          1529:
        !          1530: /* This structure holds information for an SH instruction.  An array
        !          1531:    of these structures is sorted in order by opcode.  */
        !          1532:
        !          1533: struct sh_opcode
        !          1534: {
        !          1535:   /* The code for this instruction, after it has been anded with the
        !          1536:      mask value in the sh_major_opcode structure.  */
        !          1537:   unsigned short opcode;
        !          1538:   /* Flags for this instruction.  */
        !          1539:   unsigned long flags;
        !          1540: };
        !          1541:
        !          1542: /* Flag which appear in the sh_opcode structure.  */
        !          1543:
        !          1544: /* This instruction loads a value from memory.  */
        !          1545: #define LOAD (0x1)
        !          1546:
        !          1547: /* This instruction stores a value to memory.  */
        !          1548: #define STORE (0x2)
        !          1549:
        !          1550: /* This instruction is a branch.  */
        !          1551: #define BRANCH (0x4)
        !          1552:
        !          1553: /* This instruction has a delay slot.  */
        !          1554: #define DELAY (0x8)
        !          1555:
        !          1556: /* This instruction uses the value in the register in the field at
        !          1557:    mask 0x0f00 of the instruction.  */
        !          1558: #define USES1 (0x10)
        !          1559: #define USES1_REG(x) ((x & 0x0f00) >> 8)
        !          1560:
        !          1561: /* This instruction uses the value in the register in the field at
        !          1562:    mask 0x00f0 of the instruction.  */
        !          1563: #define USES2 (0x20)
        !          1564: #define USES2_REG(x) ((x & 0x00f0) >> 4)
        !          1565:
        !          1566: /* This instruction uses the value in register 0.  */
        !          1567: #define USESR0 (0x40)
        !          1568:
        !          1569: /* This instruction sets the value in the register in the field at
        !          1570:    mask 0x0f00 of the instruction.  */
        !          1571: #define SETS1 (0x80)
        !          1572: #define SETS1_REG(x) ((x & 0x0f00) >> 8)
        !          1573:
        !          1574: /* This instruction sets the value in the register in the field at
        !          1575:    mask 0x00f0 of the instruction.  */
        !          1576: #define SETS2 (0x100)
        !          1577: #define SETS2_REG(x) ((x & 0x00f0) >> 4)
        !          1578:
        !          1579: /* This instruction sets register 0.  */
        !          1580: #define SETSR0 (0x200)
        !          1581:
        !          1582: /* This instruction sets a special register.  */
        !          1583: #define SETSSP (0x400)
        !          1584:
        !          1585: /* This instruction uses a special register.  */
        !          1586: #define USESSP (0x800)
        !          1587:
        !          1588: /* This instruction uses the floating point register in the field at
        !          1589:    mask 0x0f00 of the instruction.  */
        !          1590: #define USESF1 (0x1000)
        !          1591: #define USESF1_REG(x) ((x & 0x0f00) >> 8)
        !          1592:
        !          1593: /* This instruction uses the floating point register in the field at
        !          1594:    mask 0x00f0 of the instruction.  */
        !          1595: #define USESF2 (0x2000)
        !          1596: #define USESF2_REG(x) ((x & 0x00f0) >> 4)
        !          1597:
        !          1598: /* This instruction uses floating point register 0.  */
        !          1599: #define USESF0 (0x4000)
        !          1600:
        !          1601: /* This instruction sets the floating point register in the field at
        !          1602:    mask 0x0f00 of the instruction.  */
        !          1603: #define SETSF1 (0x8000)
        !          1604: #define SETSF1_REG(x) ((x & 0x0f00) >> 8)
        !          1605:
        !          1606: #define USESAS (0x10000)
        !          1607: #define USESAS_REG(x) (((((x) >> 8) - 2) & 3) + 2)
        !          1608: #define USESR8 (0x20000)
        !          1609: #define SETSAS (0x40000)
        !          1610: #define SETSAS_REG(x) USESAS_REG (x)
        !          1611:
        !          1612: #define MAP(a) a, sizeof a / sizeof a[0]
        !          1613:
        !          1614: #ifndef COFF_IMAGE_WITH_PE
        !          1615:
        !          1616: /* The opcode maps.  */
        !          1617:
        !          1618: static const struct sh_opcode sh_opcode00[] =
        !          1619: {
        !          1620:   { 0x0008, SETSSP },                  /* clrt */
        !          1621:   { 0x0009, 0 },                       /* nop */
        !          1622:   { 0x000b, BRANCH | DELAY | USESSP }, /* rts */
        !          1623:   { 0x0018, SETSSP },                  /* sett */
        !          1624:   { 0x0019, SETSSP },                  /* div0u */
        !          1625:   { 0x001b, 0 },                       /* sleep */
        !          1626:   { 0x0028, SETSSP },                  /* clrmac */
        !          1627:   { 0x002b, BRANCH | DELAY | SETSSP }, /* rte */
        !          1628:   { 0x0038, USESSP | SETSSP },         /* ldtlb */
        !          1629:   { 0x0048, SETSSP },                  /* clrs */
        !          1630:   { 0x0058, SETSSP }                   /* sets */
        !          1631: };
        !          1632:
        !          1633: static const struct sh_opcode sh_opcode01[] =
        !          1634: {
        !          1635:   { 0x0003, BRANCH | DELAY | USES1 | SETSSP }, /* bsrf rn */
        !          1636:   { 0x000a, SETS1 | USESSP },                  /* sts mach,rn */
        !          1637:   { 0x001a, SETS1 | USESSP },                  /* sts macl,rn */
        !          1638:   { 0x0023, BRANCH | DELAY | USES1 },          /* braf rn */
        !          1639:   { 0x0029, SETS1 | USESSP },                  /* movt rn */
        !          1640:   { 0x002a, SETS1 | USESSP },                  /* sts pr,rn */
        !          1641:   { 0x005a, SETS1 | USESSP },                  /* sts fpul,rn */
        !          1642:   { 0x006a, SETS1 | USESSP },                  /* sts fpscr,rn / sts dsr,rn */
        !          1643:   { 0x0083, LOAD | USES1 },                    /* pref @rn */
        !          1644:   { 0x007a, SETS1 | USESSP },                  /* sts a0,rn */
        !          1645:   { 0x008a, SETS1 | USESSP },                  /* sts x0,rn */
        !          1646:   { 0x009a, SETS1 | USESSP },                  /* sts x1,rn */
        !          1647:   { 0x00aa, SETS1 | USESSP },                  /* sts y0,rn */
        !          1648:   { 0x00ba, SETS1 | USESSP }                   /* sts y1,rn */
        !          1649: };
        !          1650:
        !          1651: static const struct sh_opcode sh_opcode02[] =
        !          1652: {
        !          1653:   { 0x0002, SETS1 | USESSP },                  /* stc <special_reg>,rn */
        !          1654:   { 0x0004, STORE | USES1 | USES2 | USESR0 },  /* mov.b rm,@(r0,rn) */
        !          1655:   { 0x0005, STORE | USES1 | USES2 | USESR0 },  /* mov.w rm,@(r0,rn) */
        !          1656:   { 0x0006, STORE | USES1 | USES2 | USESR0 },  /* mov.l rm,@(r0,rn) */
        !          1657:   { 0x0007, SETSSP | USES1 | USES2 },          /* mul.l rm,rn */
        !          1658:   { 0x000c, LOAD | SETS1 | USES2 | USESR0 },   /* mov.b @(r0,rm),rn */
        !          1659:   { 0x000d, LOAD | SETS1 | USES2 | USESR0 },   /* mov.w @(r0,rm),rn */
        !          1660:   { 0x000e, LOAD | SETS1 | USES2 | USESR0 },   /* mov.l @(r0,rm),rn */
        !          1661:   { 0x000f, LOAD|SETS1|SETS2|SETSSP|USES1|USES2|USESSP }, /* mac.l @rm+,@rn+ */
        !          1662: };
        !          1663:
        !          1664: static const struct sh_minor_opcode sh_opcode0[] =
        !          1665: {
        !          1666:   { MAP (sh_opcode00), 0xffff },
        !          1667:   { MAP (sh_opcode01), 0xf0ff },
        !          1668:   { MAP (sh_opcode02), 0xf00f }
        !          1669: };
        !          1670:
        !          1671: static const struct sh_opcode sh_opcode10[] =
        !          1672: {
        !          1673:   { 0x1000, STORE | USES1 | USES2 }    /* mov.l rm,@(disp,rn) */
        !          1674: };
        !          1675:
        !          1676: static const struct sh_minor_opcode sh_opcode1[] =
        !          1677: {
        !          1678:   { MAP (sh_opcode10), 0xf000 }
        !          1679: };
        !          1680:
        !          1681: static const struct sh_opcode sh_opcode20[] =
        !          1682: {
        !          1683:   { 0x2000, STORE | USES1 | USES2 },           /* mov.b rm,@rn */
        !          1684:   { 0x2001, STORE | USES1 | USES2 },           /* mov.w rm,@rn */
        !          1685:   { 0x2002, STORE | USES1 | USES2 },           /* mov.l rm,@rn */
        !          1686:   { 0x2004, STORE | SETS1 | USES1 | USES2 },   /* mov.b rm,@-rn */
        !          1687:   { 0x2005, STORE | SETS1 | USES1 | USES2 },   /* mov.w rm,@-rn */
        !          1688:   { 0x2006, STORE | SETS1 | USES1 | USES2 },   /* mov.l rm,@-rn */
        !          1689:   { 0x2007, SETSSP | USES1 | USES2 | USESSP }, /* div0s */
        !          1690:   { 0x2008, SETSSP | USES1 | USES2 },          /* tst rm,rn */
        !          1691:   { 0x2009, SETS1 | USES1 | USES2 },           /* and rm,rn */
        !          1692:   { 0x200a, SETS1 | USES1 | USES2 },           /* xor rm,rn */
        !          1693:   { 0x200b, SETS1 | USES1 | USES2 },           /* or rm,rn */
        !          1694:   { 0x200c, SETSSP | USES1 | USES2 },          /* cmp/str rm,rn */
        !          1695:   { 0x200d, SETS1 | USES1 | USES2 },           /* xtrct rm,rn */
        !          1696:   { 0x200e, SETSSP | USES1 | USES2 },          /* mulu.w rm,rn */
        !          1697:   { 0x200f, SETSSP | USES1 | USES2 }           /* muls.w rm,rn */
        !          1698: };
        !          1699:
        !          1700: static const struct sh_minor_opcode sh_opcode2[] =
        !          1701: {
        !          1702:   { MAP (sh_opcode20), 0xf00f }
        !          1703: };
        !          1704:
        !          1705: static const struct sh_opcode sh_opcode30[] =
        !          1706: {
        !          1707:   { 0x3000, SETSSP | USES1 | USES2 },          /* cmp/eq rm,rn */
        !          1708:   { 0x3002, SETSSP | USES1 | USES2 },          /* cmp/hs rm,rn */
        !          1709:   { 0x3003, SETSSP | USES1 | USES2 },          /* cmp/ge rm,rn */
        !          1710:   { 0x3004, SETSSP | USESSP | USES1 | USES2 }, /* div1 rm,rn */
        !          1711:   { 0x3005, SETSSP | USES1 | USES2 },          /* dmulu.l rm,rn */
        !          1712:   { 0x3006, SETSSP | USES1 | USES2 },          /* cmp/hi rm,rn */
        !          1713:   { 0x3007, SETSSP | USES1 | USES2 },          /* cmp/gt rm,rn */
        !          1714:   { 0x3008, SETS1 | USES1 | USES2 },           /* sub rm,rn */
        !          1715:   { 0x300a, SETS1 | SETSSP | USES1 | USES2 | USESSP }, /* subc rm,rn */
        !          1716:   { 0x300b, SETS1 | SETSSP | USES1 | USES2 },  /* subv rm,rn */
        !          1717:   { 0x300c, SETS1 | USES1 | USES2 },           /* add rm,rn */
        !          1718:   { 0x300d, SETSSP | USES1 | USES2 },          /* dmuls.l rm,rn */
        !          1719:   { 0x300e, SETS1 | SETSSP | USES1 | USES2 | USESSP }, /* addc rm,rn */
        !          1720:   { 0x300f, SETS1 | SETSSP | USES1 | USES2 }   /* addv rm,rn */
        !          1721: };
        !          1722:
        !          1723: static const struct sh_minor_opcode sh_opcode3[] =
        !          1724: {
        !          1725:   { MAP (sh_opcode30), 0xf00f }
        !          1726: };
        !          1727:
        !          1728: static const struct sh_opcode sh_opcode40[] =
        !          1729: {
        !          1730:   { 0x4000, SETS1 | SETSSP | USES1 },          /* shll rn */
        !          1731:   { 0x4001, SETS1 | SETSSP | USES1 },          /* shlr rn */
        !          1732:   { 0x4002, STORE | SETS1 | USES1 | USESSP },  /* sts.l mach,@-rn */
        !          1733:   { 0x4004, SETS1 | SETSSP | USES1 },          /* rotl rn */
        !          1734:   { 0x4005, SETS1 | SETSSP | USES1 },          /* rotr rn */
        !          1735:   { 0x4006, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,mach */
        !          1736:   { 0x4008, SETS1 | USES1 },                   /* shll2 rn */
        !          1737:   { 0x4009, SETS1 | USES1 },                   /* shlr2 rn */
        !          1738:   { 0x400a, SETSSP | USES1 },                  /* lds rm,mach */
        !          1739:   { 0x400b, BRANCH | DELAY | USES1 },          /* jsr @rn */
        !          1740:   { 0x4010, SETS1 | SETSSP | USES1 },          /* dt rn */
        !          1741:   { 0x4011, SETSSP | USES1 },                  /* cmp/pz rn */
        !          1742:   { 0x4012, STORE | SETS1 | USES1 | USESSP },  /* sts.l macl,@-rn */
        !          1743:   { 0x4014, SETSSP | USES1 },                  /* setrc rm */
        !          1744:   { 0x4015, SETSSP | USES1 },                  /* cmp/pl rn */
        !          1745:   { 0x4016, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,macl */
        !          1746:   { 0x4018, SETS1 | USES1 },                   /* shll8 rn */
        !          1747:   { 0x4019, SETS1 | USES1 },                   /* shlr8 rn */
        !          1748:   { 0x401a, SETSSP | USES1 },                  /* lds rm,macl */
        !          1749:   { 0x401b, LOAD | SETSSP | USES1 },           /* tas.b @rn */
        !          1750:   { 0x4020, SETS1 | SETSSP | USES1 },          /* shal rn */
        !          1751:   { 0x4021, SETS1 | SETSSP | USES1 },          /* shar rn */
        !          1752:   { 0x4022, STORE | SETS1 | USES1 | USESSP },  /* sts.l pr,@-rn */
        !          1753:   { 0x4024, SETS1 | SETSSP | USES1 | USESSP }, /* rotcl rn */
        !          1754:   { 0x4025, SETS1 | SETSSP | USES1 | USESSP }, /* rotcr rn */
        !          1755:   { 0x4026, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,pr */
        !          1756:   { 0x4028, SETS1 | USES1 },                   /* shll16 rn */
        !          1757:   { 0x4029, SETS1 | USES1 },                   /* shlr16 rn */
        !          1758:   { 0x402a, SETSSP | USES1 },                  /* lds rm,pr */
        !          1759:   { 0x402b, BRANCH | DELAY | USES1 },          /* jmp @rn */
        !          1760:   { 0x4052, STORE | SETS1 | USES1 | USESSP },  /* sts.l fpul,@-rn */
        !          1761:   { 0x4056, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,fpul */
        !          1762:   { 0x405a, SETSSP | USES1 },                  /* lds.l rm,fpul */
        !          1763:   { 0x4062, STORE | SETS1 | USES1 | USESSP },  /* sts.l fpscr / dsr,@-rn */
        !          1764:   { 0x4066, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,fpscr / dsr */
        !          1765:   { 0x406a, SETSSP | USES1 },                  /* lds rm,fpscr / lds rm,dsr */
        !          1766:   { 0x4072, STORE | SETS1 | USES1 | USESSP },  /* sts.l a0,@-rn */
        !          1767:   { 0x4076, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,a0 */
        !          1768:   { 0x407a, SETSSP | USES1 },                  /* lds.l rm,a0 */
        !          1769:   { 0x4082, STORE | SETS1 | USES1 | USESSP },  /* sts.l x0,@-rn */
        !          1770:   { 0x4086, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,x0 */
        !          1771:   { 0x408a, SETSSP | USES1 },                  /* lds.l rm,x0 */
        !          1772:   { 0x4092, STORE | SETS1 | USES1 | USESSP },  /* sts.l x1,@-rn */
        !          1773:   { 0x4096, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,x1 */
        !          1774:   { 0x409a, SETSSP | USES1 },                  /* lds.l rm,x1 */
        !          1775:   { 0x40a2, STORE | SETS1 | USES1 | USESSP },  /* sts.l y0,@-rn */
        !          1776:   { 0x40a6, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,y0 */
        !          1777:   { 0x40aa, SETSSP | USES1 },                  /* lds.l rm,y0 */
        !          1778:   { 0x40b2, STORE | SETS1 | USES1 | USESSP },  /* sts.l y1,@-rn */
        !          1779:   { 0x40b6, LOAD | SETS1 | SETSSP | USES1 },   /* lds.l @rm+,y1 */
        !          1780:   { 0x40ba, SETSSP | USES1 }                   /* lds.l rm,y1 */
        !          1781: };
        !          1782:
        !          1783: static const struct sh_opcode sh_opcode41[] =
        !          1784: {
        !          1785:   { 0x4003, STORE | SETS1 | USES1 | USESSP },  /* stc.l <special_reg>,@-rn */
        !          1786:   { 0x4007, LOAD | SETS1 | SETSSP | USES1 },   /* ldc.l @rm+,<special_reg> */
        !          1787:   { 0x400c, SETS1 | USES1 | USES2 },           /* shad rm,rn */
        !          1788:   { 0x400d, SETS1 | USES1 | USES2 },           /* shld rm,rn */
        !          1789:   { 0x400e, SETSSP | USES1 },                  /* ldc rm,<special_reg> */
        !          1790:   { 0x400f, LOAD|SETS1|SETS2|SETSSP|USES1|USES2|USESSP }, /* mac.w @rm+,@rn+ */
        !          1791: };
        !          1792:
        !          1793: static const struct sh_minor_opcode sh_opcode4[] =
        !          1794: {
        !          1795:   { MAP (sh_opcode40), 0xf0ff },
        !          1796:   { MAP (sh_opcode41), 0xf00f }
        !          1797: };
        !          1798:
        !          1799: static const struct sh_opcode sh_opcode50[] =
        !          1800: {
        !          1801:   { 0x5000, LOAD | SETS1 | USES2 }     /* mov.l @(disp,rm),rn */
        !          1802: };
        !          1803:
        !          1804: static const struct sh_minor_opcode sh_opcode5[] =
        !          1805: {
        !          1806:   { MAP (sh_opcode50), 0xf000 }
        !          1807: };
        !          1808:
        !          1809: static const struct sh_opcode sh_opcode60[] =
        !          1810: {
        !          1811:   { 0x6000, LOAD | SETS1 | USES2 },            /* mov.b @rm,rn */
        !          1812:   { 0x6001, LOAD | SETS1 | USES2 },            /* mov.w @rm,rn */
        !          1813:   { 0x6002, LOAD | SETS1 | USES2 },            /* mov.l @rm,rn */
        !          1814:   { 0x6003, SETS1 | USES2 },                   /* mov rm,rn */
        !          1815:   { 0x6004, LOAD | SETS1 | SETS2 | USES2 },    /* mov.b @rm+,rn */
        !          1816:   { 0x6005, LOAD | SETS1 | SETS2 | USES2 },    /* mov.w @rm+,rn */
        !          1817:   { 0x6006, LOAD | SETS1 | SETS2 | USES2 },    /* mov.l @rm+,rn */
        !          1818:   { 0x6007, SETS1 | USES2 },                   /* not rm,rn */
        !          1819:   { 0x6008, SETS1 | USES2 },                   /* swap.b rm,rn */
        !          1820:   { 0x6009, SETS1 | USES2 },                   /* swap.w rm,rn */
        !          1821:   { 0x600a, SETS1 | SETSSP | USES2 | USESSP }, /* negc rm,rn */
        !          1822:   { 0x600b, SETS1 | USES2 },                   /* neg rm,rn */
        !          1823:   { 0x600c, SETS1 | USES2 },                   /* extu.b rm,rn */
        !          1824:   { 0x600d, SETS1 | USES2 },                   /* extu.w rm,rn */
        !          1825:   { 0x600e, SETS1 | USES2 },                   /* exts.b rm,rn */
        !          1826:   { 0x600f, SETS1 | USES2 }                    /* exts.w rm,rn */
        !          1827: };
        !          1828:
        !          1829: static const struct sh_minor_opcode sh_opcode6[] =
        !          1830: {
        !          1831:   { MAP (sh_opcode60), 0xf00f }
        !          1832: };
        !          1833:
        !          1834: static const struct sh_opcode sh_opcode70[] =
        !          1835: {
        !          1836:   { 0x7000, SETS1 | USES1 }            /* add #imm,rn */
        !          1837: };
        !          1838:
        !          1839: static const struct sh_minor_opcode sh_opcode7[] =
        !          1840: {
        !          1841:   { MAP (sh_opcode70), 0xf000 }
        !          1842: };
        !          1843:
        !          1844: static const struct sh_opcode sh_opcode80[] =
        !          1845: {
        !          1846:   { 0x8000, STORE | USES2 | USESR0 },  /* mov.b r0,@(disp,rn) */
        !          1847:   { 0x8100, STORE | USES2 | USESR0 },  /* mov.w r0,@(disp,rn) */
        !          1848:   { 0x8200, SETSSP },                  /* setrc #imm */
        !          1849:   { 0x8400, LOAD | SETSR0 | USES2 },   /* mov.b @(disp,rm),r0 */
        !          1850:   { 0x8500, LOAD | SETSR0 | USES2 },   /* mov.w @(disp,rn),r0 */
        !          1851:   { 0x8800, SETSSP | USESR0 },         /* cmp/eq #imm,r0 */
        !          1852:   { 0x8900, BRANCH | USESSP },         /* bt label */
        !          1853:   { 0x8b00, BRANCH | USESSP },         /* bf label */
        !          1854:   { 0x8c00, SETSSP },                  /* ldrs @(disp,pc) */
        !          1855:   { 0x8d00, BRANCH | DELAY | USESSP }, /* bt/s label */
        !          1856:   { 0x8e00, SETSSP },                  /* ldre @(disp,pc) */
        !          1857:   { 0x8f00, BRANCH | DELAY | USESSP }  /* bf/s label */
        !          1858: };
        !          1859:
        !          1860: static const struct sh_minor_opcode sh_opcode8[] =
        !          1861: {
        !          1862:   { MAP (sh_opcode80), 0xff00 }
        !          1863: };
        !          1864:
        !          1865: static const struct sh_opcode sh_opcode90[] =
        !          1866: {
        !          1867:   { 0x9000, LOAD | SETS1 }     /* mov.w @(disp,pc),rn */
        !          1868: };
        !          1869:
        !          1870: static const struct sh_minor_opcode sh_opcode9[] =
        !          1871: {
        !          1872:   { MAP (sh_opcode90), 0xf000 }
        !          1873: };
        !          1874:
        !          1875: static const struct sh_opcode sh_opcodea0[] =
        !          1876: {
        !          1877:   { 0xa000, BRANCH | DELAY }   /* bra label */
        !          1878: };
        !          1879:
        !          1880: static const struct sh_minor_opcode sh_opcodea[] =
        !          1881: {
        !          1882:   { MAP (sh_opcodea0), 0xf000 }
        !          1883: };
        !          1884:
        !          1885: static const struct sh_opcode sh_opcodeb0[] =
        !          1886: {
        !          1887:   { 0xb000, BRANCH | DELAY }   /* bsr label */
        !          1888: };
        !          1889:
        !          1890: static const struct sh_minor_opcode sh_opcodeb[] =
        !          1891: {
        !          1892:   { MAP (sh_opcodeb0), 0xf000 }
        !          1893: };
        !          1894:
        !          1895: static const struct sh_opcode sh_opcodec0[] =
        !          1896: {
        !          1897:   { 0xc000, STORE | USESR0 | USESSP },         /* mov.b r0,@(disp,gbr) */
        !          1898:   { 0xc100, STORE | USESR0 | USESSP },         /* mov.w r0,@(disp,gbr) */
        !          1899:   { 0xc200, STORE | USESR0 | USESSP },         /* mov.l r0,@(disp,gbr) */
        !          1900:   { 0xc300, BRANCH | USESSP },                 /* trapa #imm */
        !          1901:   { 0xc400, LOAD | SETSR0 | USESSP },          /* mov.b @(disp,gbr),r0 */
        !          1902:   { 0xc500, LOAD | SETSR0 | USESSP },          /* mov.w @(disp,gbr),r0 */
        !          1903:   { 0xc600, LOAD | SETSR0 | USESSP },          /* mov.l @(disp,gbr),r0 */
        !          1904:   { 0xc700, SETSR0 },                          /* mova @(disp,pc),r0 */
        !          1905:   { 0xc800, SETSSP | USESR0 },                 /* tst #imm,r0 */
        !          1906:   { 0xc900, SETSR0 | USESR0 },                 /* and #imm,r0 */
        !          1907:   { 0xca00, SETSR0 | USESR0 },                 /* xor #imm,r0 */
        !          1908:   { 0xcb00, SETSR0 | USESR0 },                 /* or #imm,r0 */
        !          1909:   { 0xcc00, LOAD | SETSSP | USESR0 | USESSP }, /* tst.b #imm,@(r0,gbr) */
        !          1910:   { 0xcd00, LOAD | STORE | USESR0 | USESSP },  /* and.b #imm,@(r0,gbr) */
        !          1911:   { 0xce00, LOAD | STORE | USESR0 | USESSP },  /* xor.b #imm,@(r0,gbr) */
        !          1912:   { 0xcf00, LOAD | STORE | USESR0 | USESSP }   /* or.b #imm,@(r0,gbr) */
        !          1913: };
        !          1914:
        !          1915: static const struct sh_minor_opcode sh_opcodec[] =
        !          1916: {
        !          1917:   { MAP (sh_opcodec0), 0xff00 }
        !          1918: };
        !          1919:
        !          1920: static const struct sh_opcode sh_opcoded0[] =
        !          1921: {
        !          1922:   { 0xd000, LOAD | SETS1 }             /* mov.l @(disp,pc),rn */
        !          1923: };
        !          1924:
        !          1925: static const struct sh_minor_opcode sh_opcoded[] =
        !          1926: {
        !          1927:   { MAP (sh_opcoded0), 0xf000 }
        !          1928: };
        !          1929:
        !          1930: static const struct sh_opcode sh_opcodee0[] =
        !          1931: {
        !          1932:   { 0xe000, SETS1 }            /* mov #imm,rn */
        !          1933: };
        !          1934:
        !          1935: static const struct sh_minor_opcode sh_opcodee[] =
        !          1936: {
        !          1937:   { MAP (sh_opcodee0), 0xf000 }
        !          1938: };
        !          1939:
        !          1940: static const struct sh_opcode sh_opcodef0[] =
        !          1941: {
        !          1942:   { 0xf000, SETSF1 | USESF1 | USESF2 },                /* fadd fm,fn */
        !          1943:   { 0xf001, SETSF1 | USESF1 | USESF2 },                /* fsub fm,fn */
        !          1944:   { 0xf002, SETSF1 | USESF1 | USESF2 },                /* fmul fm,fn */
        !          1945:   { 0xf003, SETSF1 | USESF1 | USESF2 },                /* fdiv fm,fn */
        !          1946:   { 0xf004, SETSSP | USESF1 | USESF2 },                /* fcmp/eq fm,fn */
        !          1947:   { 0xf005, SETSSP | USESF1 | USESF2 },                /* fcmp/gt fm,fn */
        !          1948:   { 0xf006, LOAD | SETSF1 | USES2 | USESR0 },  /* fmov.s @(r0,rm),fn */
        !          1949:   { 0xf007, STORE | USES1 | USESF2 | USESR0 }, /* fmov.s fm,@(r0,rn) */
        !          1950:   { 0xf008, LOAD | SETSF1 | USES2 },           /* fmov.s @rm,fn */
        !          1951:   { 0xf009, LOAD | SETS2 | SETSF1 | USES2 },   /* fmov.s @rm+,fn */
        !          1952:   { 0xf00a, STORE | USES1 | USESF2 },          /* fmov.s fm,@rn */
        !          1953:   { 0xf00b, STORE | SETS1 | USES1 | USESF2 },  /* fmov.s fm,@-rn */
        !          1954:   { 0xf00c, SETSF1 | USESF2 },                 /* fmov fm,fn */
        !          1955:   { 0xf00e, SETSF1 | USESF1 | USESF2 | USESF0 }        /* fmac f0,fm,fn */
        !          1956: };
        !          1957:
        !          1958: static const struct sh_opcode sh_opcodef1[] =
        !          1959: {
        !          1960:   { 0xf00d, SETSF1 | USESSP }, /* fsts fpul,fn */
        !          1961:   { 0xf01d, SETSSP | USESF1 }, /* flds fn,fpul */
        !          1962:   { 0xf02d, SETSF1 | USESSP }, /* float fpul,fn */
        !          1963:   { 0xf03d, SETSSP | USESF1 }, /* ftrc fn,fpul */
        !          1964:   { 0xf04d, SETSF1 | USESF1 }, /* fneg fn */
        !          1965:   { 0xf05d, SETSF1 | USESF1 }, /* fabs fn */
        !          1966:   { 0xf06d, SETSF1 | USESF1 }, /* fsqrt fn */
        !          1967:   { 0xf07d, SETSSP | USESF1 }, /* ftst/nan fn */
        !          1968:   { 0xf08d, SETSF1 },          /* fldi0 fn */
        !          1969:   { 0xf09d, SETSF1 }           /* fldi1 fn */
        !          1970: };
        !          1971:
        !          1972: static const struct sh_minor_opcode sh_opcodef[] =
        !          1973: {
        !          1974:   { MAP (sh_opcodef0), 0xf00f },
        !          1975:   { MAP (sh_opcodef1), 0xf0ff }
        !          1976: };
        !          1977:
        !          1978: static struct sh_major_opcode sh_opcodes[] =
        !          1979: {
        !          1980:   { MAP (sh_opcode0) },
        !          1981:   { MAP (sh_opcode1) },
        !          1982:   { MAP (sh_opcode2) },
        !          1983:   { MAP (sh_opcode3) },
        !          1984:   { MAP (sh_opcode4) },
        !          1985:   { MAP (sh_opcode5) },
        !          1986:   { MAP (sh_opcode6) },
        !          1987:   { MAP (sh_opcode7) },
        !          1988:   { MAP (sh_opcode8) },
        !          1989:   { MAP (sh_opcode9) },
        !          1990:   { MAP (sh_opcodea) },
        !          1991:   { MAP (sh_opcodeb) },
        !          1992:   { MAP (sh_opcodec) },
        !          1993:   { MAP (sh_opcoded) },
        !          1994:   { MAP (sh_opcodee) },
        !          1995:   { MAP (sh_opcodef) }
        !          1996: };
        !          1997:
        !          1998: /* The double data transfer / parallel processing insns are not
        !          1999:    described here.  This will cause sh_align_load_span to leave them alone.  */
        !          2000:
        !          2001: static const struct sh_opcode sh_dsp_opcodef0[] =
        !          2002: {
        !          2003:   { 0xf400, USESAS | SETSAS | LOAD | SETSSP }, /* movs.x @-as,ds */
        !          2004:   { 0xf401, USESAS | SETSAS | STORE | USESSP },        /* movs.x ds,@-as */
        !          2005:   { 0xf404, USESAS | LOAD | SETSSP },          /* movs.x @as,ds */
        !          2006:   { 0xf405, USESAS | STORE | USESSP },         /* movs.x ds,@as */
        !          2007:   { 0xf408, USESAS | SETSAS | LOAD | SETSSP }, /* movs.x @as+,ds */
        !          2008:   { 0xf409, USESAS | SETSAS | STORE | USESSP },        /* movs.x ds,@as+ */
        !          2009:   { 0xf40c, USESAS | SETSAS | LOAD | SETSSP | USESR8 },        /* movs.x @as+r8,ds */
        !          2010:   { 0xf40d, USESAS | SETSAS | STORE | USESSP | USESR8 }        /* movs.x ds,@as+r8 */
        !          2011: };
        !          2012:
        !          2013: static const struct sh_minor_opcode sh_dsp_opcodef[] =
        !          2014: {
        !          2015:   { MAP (sh_dsp_opcodef0), 0xfc0d }
        !          2016: };
        !          2017:
        !          2018: /* Given an instruction, return a pointer to the corresponding
        !          2019:    sh_opcode structure.  Return NULL if the instruction is not
        !          2020:    recognized.  */
        !          2021:
        !          2022: static const struct sh_opcode *
        !          2023: sh_insn_info (unsigned int insn)
        !          2024: {
        !          2025:   const struct sh_major_opcode *maj;
        !          2026:   const struct sh_minor_opcode *min, *minend;
        !          2027:
        !          2028:   maj = &sh_opcodes[(insn & 0xf000) >> 12];
        !          2029:   min = maj->minor_opcodes;
        !          2030:   minend = min + maj->count;
        !          2031:   for (; min < minend; min++)
        !          2032:     {
        !          2033:       unsigned int l;
        !          2034:       const struct sh_opcode *op, *opend;
        !          2035:
        !          2036:       l = insn & min->mask;
        !          2037:       op = min->opcodes;
        !          2038:       opend = op + min->count;
        !          2039:
        !          2040:       /* Since the opcodes tables are sorted, we could use a binary
        !          2041:          search here if the count were above some cutoff value.  */
        !          2042:       for (; op < opend; op++)
        !          2043:        if (op->opcode == l)
        !          2044:          return op;
        !          2045:     }
        !          2046:
        !          2047:   return NULL;
        !          2048: }
        !          2049:
        !          2050: /* See whether an instruction uses a general purpose register.  */
        !          2051:
        !          2052: static bfd_boolean
        !          2053: sh_insn_uses_reg (unsigned int insn,
        !          2054:                  const struct sh_opcode *op,
        !          2055:                  unsigned int reg)
        !          2056: {
        !          2057:   unsigned int f;
        !          2058:
        !          2059:   f = op->flags;
        !          2060:
        !          2061:   if ((f & USES1) != 0
        !          2062:       && USES1_REG (insn) == reg)
        !          2063:     return TRUE;
        !          2064:   if ((f & USES2) != 0
        !          2065:       && USES2_REG (insn) == reg)
        !          2066:     return TRUE;
        !          2067:   if ((f & USESR0) != 0
        !          2068:       && reg == 0)
        !          2069:     return TRUE;
        !          2070:   if ((f & USESAS) && reg == USESAS_REG (insn))
        !          2071:     return TRUE;
        !          2072:   if ((f & USESR8) && reg == 8)
        !          2073:     return TRUE;
        !          2074:
        !          2075:   return FALSE;
        !          2076: }
        !          2077:
        !          2078: /* See whether an instruction sets a general purpose register.  */
        !          2079:
        !          2080: static bfd_boolean
        !          2081: sh_insn_sets_reg (unsigned int insn,
        !          2082:                  const struct sh_opcode *op,
        !          2083:                  unsigned int reg)
        !          2084: {
        !          2085:   unsigned int f;
        !          2086:
        !          2087:   f = op->flags;
        !          2088:
        !          2089:   if ((f & SETS1) != 0
        !          2090:       && SETS1_REG (insn) == reg)
        !          2091:     return TRUE;
        !          2092:   if ((f & SETS2) != 0
        !          2093:       && SETS2_REG (insn) == reg)
        !          2094:     return TRUE;
        !          2095:   if ((f & SETSR0) != 0
        !          2096:       && reg == 0)
        !          2097:     return TRUE;
        !          2098:   if ((f & SETSAS) && reg == SETSAS_REG (insn))
        !          2099:     return TRUE;
        !          2100:
        !          2101:   return FALSE;
        !          2102: }
        !          2103:
        !          2104: /* See whether an instruction uses or sets a general purpose register */
        !          2105:
        !          2106: static bfd_boolean
        !          2107: sh_insn_uses_or_sets_reg (unsigned int insn,
        !          2108:                          const struct sh_opcode *op,
        !          2109:                          unsigned int reg)
        !          2110: {
        !          2111:   if (sh_insn_uses_reg (insn, op, reg))
        !          2112:     return TRUE;
        !          2113:
        !          2114:   return sh_insn_sets_reg (insn, op, reg);
        !          2115: }
        !          2116:
        !          2117: /* See whether an instruction uses a floating point register.  */
        !          2118:
        !          2119: static bfd_boolean
        !          2120: sh_insn_uses_freg (unsigned int insn,
        !          2121:                   const struct sh_opcode *op,
        !          2122:                   unsigned int freg)
        !          2123: {
        !          2124:   unsigned int f;
        !          2125:
        !          2126:   f = op->flags;
        !          2127:
        !          2128:   /* We can't tell if this is a double-precision insn, so just play safe
        !          2129:      and assume that it might be.  So not only have we test FREG against
        !          2130:      itself, but also even FREG against FREG+1 - if the using insn uses
        !          2131:      just the low part of a double precision value - but also an odd
        !          2132:      FREG against FREG-1 -  if the setting insn sets just the low part
        !          2133:      of a double precision value.
        !          2134:      So what this all boils down to is that we have to ignore the lowest
        !          2135:      bit of the register number.  */
        !          2136:
        !          2137:   if ((f & USESF1) != 0
        !          2138:       && (USESF1_REG (insn) & 0xe) == (freg & 0xe))
        !          2139:     return TRUE;
        !          2140:   if ((f & USESF2) != 0
        !          2141:       && (USESF2_REG (insn) & 0xe) == (freg & 0xe))
        !          2142:     return TRUE;
        !          2143:   if ((f & USESF0) != 0
        !          2144:       && freg == 0)
        !          2145:     return TRUE;
        !          2146:
        !          2147:   return FALSE;
        !          2148: }
        !          2149:
        !          2150: /* See whether an instruction sets a floating point register.  */
        !          2151:
        !          2152: static bfd_boolean
        !          2153: sh_insn_sets_freg (unsigned int insn,
        !          2154:                   const struct sh_opcode *op,
        !          2155:                   unsigned int freg)
        !          2156: {
        !          2157:   unsigned int f;
        !          2158:
        !          2159:   f = op->flags;
        !          2160:
        !          2161:   /* We can't tell if this is a double-precision insn, so just play safe
        !          2162:      and assume that it might be.  So not only have we test FREG against
        !          2163:      itself, but also even FREG against FREG+1 - if the using insn uses
        !          2164:      just the low part of a double precision value - but also an odd
        !          2165:      FREG against FREG-1 -  if the setting insn sets just the low part
        !          2166:      of a double precision value.
        !          2167:      So what this all boils down to is that we have to ignore the lowest
        !          2168:      bit of the register number.  */
        !          2169:
        !          2170:   if ((f & SETSF1) != 0
        !          2171:       && (SETSF1_REG (insn) & 0xe) == (freg & 0xe))
        !          2172:     return TRUE;
        !          2173:
        !          2174:   return FALSE;
        !          2175: }
        !          2176:
        !          2177: /* See whether an instruction uses or sets a floating point register */
        !          2178:
        !          2179: static bfd_boolean
        !          2180: sh_insn_uses_or_sets_freg (unsigned int insn,
        !          2181:                           const struct sh_opcode *op,
        !          2182:                           unsigned int reg)
        !          2183: {
        !          2184:   if (sh_insn_uses_freg (insn, op, reg))
        !          2185:     return TRUE;
        !          2186:
        !          2187:   return sh_insn_sets_freg (insn, op, reg);
        !          2188: }
        !          2189:
        !          2190: /* See whether instructions I1 and I2 conflict, assuming I1 comes
        !          2191:    before I2.  OP1 and OP2 are the corresponding sh_opcode structures.
        !          2192:    This should return TRUE if there is a conflict, or FALSE if the
        !          2193:    instructions can be swapped safely.  */
        !          2194:
        !          2195: static bfd_boolean
        !          2196: sh_insns_conflict (unsigned int i1,
        !          2197:                   const struct sh_opcode *op1,
        !          2198:                   unsigned int i2,
        !          2199:                   const struct sh_opcode *op2)
        !          2200: {
        !          2201:   unsigned int f1, f2;
        !          2202:
        !          2203:   f1 = op1->flags;
        !          2204:   f2 = op2->flags;
        !          2205:
        !          2206:   /* Load of fpscr conflicts with floating point operations.
        !          2207:      FIXME: shouldn't test raw opcodes here.  */
        !          2208:   if (((i1 & 0xf0ff) == 0x4066 && (i2 & 0xf000) == 0xf000)
        !          2209:       || ((i2 & 0xf0ff) == 0x4066 && (i1 & 0xf000) == 0xf000))
        !          2210:     return TRUE;
        !          2211:
        !          2212:   if ((f1 & (BRANCH | DELAY)) != 0
        !          2213:       || (f2 & (BRANCH | DELAY)) != 0)
        !          2214:     return TRUE;
        !          2215:
        !          2216:   if (((f1 | f2) & SETSSP)
        !          2217:       && (f1 & (SETSSP | USESSP))
        !          2218:       && (f2 & (SETSSP | USESSP)))
        !          2219:     return TRUE;
        !          2220:
        !          2221:   if ((f1 & SETS1) != 0
        !          2222:       && sh_insn_uses_or_sets_reg (i2, op2, SETS1_REG (i1)))
        !          2223:     return TRUE;
        !          2224:   if ((f1 & SETS2) != 0
        !          2225:       && sh_insn_uses_or_sets_reg (i2, op2, SETS2_REG (i1)))
        !          2226:     return TRUE;
        !          2227:   if ((f1 & SETSR0) != 0
        !          2228:       && sh_insn_uses_or_sets_reg (i2, op2, 0))
        !          2229:     return TRUE;
        !          2230:   if ((f1 & SETSAS)
        !          2231:       && sh_insn_uses_or_sets_reg (i2, op2, SETSAS_REG (i1)))
        !          2232:     return TRUE;
        !          2233:   if ((f1 & SETSF1) != 0
        !          2234:       && sh_insn_uses_or_sets_freg (i2, op2, SETSF1_REG (i1)))
        !          2235:     return TRUE;
        !          2236:
        !          2237:   if ((f2 & SETS1) != 0
        !          2238:       && sh_insn_uses_or_sets_reg (i1, op1, SETS1_REG (i2)))
        !          2239:     return TRUE;
        !          2240:   if ((f2 & SETS2) != 0
        !          2241:       && sh_insn_uses_or_sets_reg (i1, op1, SETS2_REG (i2)))
        !          2242:     return TRUE;
        !          2243:   if ((f2 & SETSR0) != 0
        !          2244:       && sh_insn_uses_or_sets_reg (i1, op1, 0))
        !          2245:     return TRUE;
        !          2246:   if ((f2 & SETSAS)
        !          2247:       && sh_insn_uses_or_sets_reg (i1, op1, SETSAS_REG (i2)))
        !          2248:     return TRUE;
        !          2249:   if ((f2 & SETSF1) != 0
        !          2250:       && sh_insn_uses_or_sets_freg (i1, op1, SETSF1_REG (i2)))
        !          2251:     return TRUE;
        !          2252:
        !          2253:   /* The instructions do not conflict.  */
        !          2254:   return FALSE;
        !          2255: }
        !          2256:
        !          2257: /* I1 is a load instruction, and I2 is some other instruction.  Return
        !          2258:    TRUE if I1 loads a register which I2 uses.  */
        !          2259:
        !          2260: static bfd_boolean
        !          2261: sh_load_use (unsigned int i1,
        !          2262:             const struct sh_opcode *op1,
        !          2263:             unsigned int i2,
        !          2264:             const struct sh_opcode *op2)
        !          2265: {
        !          2266:   unsigned int f1;
        !          2267:
        !          2268:   f1 = op1->flags;
        !          2269:
        !          2270:   if ((f1 & LOAD) == 0)
        !          2271:     return FALSE;
        !          2272:
        !          2273:   /* If both SETS1 and SETSSP are set, that means a load to a special
        !          2274:      register using postincrement addressing mode, which we don't care
        !          2275:      about here.  */
        !          2276:   if ((f1 & SETS1) != 0
        !          2277:       && (f1 & SETSSP) == 0
        !          2278:       && sh_insn_uses_reg (i2, op2, (i1 & 0x0f00) >> 8))
        !          2279:     return TRUE;
        !          2280:
        !          2281:   if ((f1 & SETSR0) != 0
        !          2282:       && sh_insn_uses_reg (i2, op2, 0))
        !          2283:     return TRUE;
        !          2284:
        !          2285:   if ((f1 & SETSF1) != 0
        !          2286:       && sh_insn_uses_freg (i2, op2, (i1 & 0x0f00) >> 8))
        !          2287:     return TRUE;
        !          2288:
        !          2289:   return FALSE;
        !          2290: }
        !          2291:
        !          2292: /* Try to align loads and stores within a span of memory.  This is
        !          2293:    called by both the ELF and the COFF sh targets.  ABFD and SEC are
        !          2294:    the BFD and section we are examining.  CONTENTS is the contents of
        !          2295:    the section.  SWAP is the routine to call to swap two instructions.
        !          2296:    RELOCS is a pointer to the internal relocation information, to be
        !          2297:    passed to SWAP.  PLABEL is a pointer to the current label in a
        !          2298:    sorted list of labels; LABEL_END is the end of the list.  START and
        !          2299:    STOP are the range of memory to examine.  If a swap is made,
        !          2300:    *PSWAPPED is set to TRUE.  */
        !          2301:
        !          2302: #ifdef COFF_WITH_PE
        !          2303: static
        !          2304: #endif
        !          2305: bfd_boolean
        !          2306: _bfd_sh_align_load_span (bfd *abfd,
        !          2307:                         asection *sec,
        !          2308:                         bfd_byte *contents,
        !          2309:                         bfd_boolean (*swap) (bfd *, asection *, void *, bfd_byte *, bfd_vma),
        !          2310:                         void * relocs,
        !          2311:                         bfd_vma **plabel,
        !          2312:                         bfd_vma *label_end,
        !          2313:                         bfd_vma start,
        !          2314:                         bfd_vma stop,
        !          2315:                         bfd_boolean *pswapped)
        !          2316: {
        !          2317:   int dsp = (abfd->arch_info->mach == bfd_mach_sh_dsp
        !          2318:             || abfd->arch_info->mach == bfd_mach_sh3_dsp);
        !          2319:   bfd_vma i;
        !          2320:
        !          2321:   /* The SH4 has a Harvard architecture, hence aligning loads is not
        !          2322:      desirable.  In fact, it is counter-productive, since it interferes
        !          2323:      with the schedules generated by the compiler.  */
        !          2324:   if (abfd->arch_info->mach == bfd_mach_sh4)
        !          2325:     return TRUE;
        !          2326:
        !          2327:   /* If we are linking sh[3]-dsp code, swap the FPU instructions for DSP
        !          2328:      instructions.  */
        !          2329:   if (dsp)
        !          2330:     {
        !          2331:       sh_opcodes[0xf].minor_opcodes = sh_dsp_opcodef;
        !          2332:       sh_opcodes[0xf].count = sizeof sh_dsp_opcodef / sizeof sh_dsp_opcodef;
        !          2333:     }
        !          2334:
        !          2335:   /* Instructions should be aligned on 2 byte boundaries.  */
        !          2336:   if ((start & 1) == 1)
        !          2337:     ++start;
        !          2338:
        !          2339:   /* Now look through the unaligned addresses.  */
        !          2340:   i = start;
        !          2341:   if ((i & 2) == 0)
        !          2342:     i += 2;
        !          2343:   for (; i < stop; i += 4)
        !          2344:     {
        !          2345:       unsigned int insn;
        !          2346:       const struct sh_opcode *op;
        !          2347:       unsigned int prev_insn = 0;
        !          2348:       const struct sh_opcode *prev_op = NULL;
        !          2349:
        !          2350:       insn = bfd_get_16 (abfd, contents + i);
        !          2351:       op = sh_insn_info (insn);
        !          2352:       if (op == NULL
        !          2353:          || (op->flags & (LOAD | STORE)) == 0)
        !          2354:        continue;
        !          2355:
        !          2356:       /* This is a load or store which is not on a four byte boundary.  */
        !          2357:
        !          2358:       while (*plabel < label_end && **plabel < i)
        !          2359:        ++*plabel;
        !          2360:
        !          2361:       if (i > start)
        !          2362:        {
        !          2363:          prev_insn = bfd_get_16 (abfd, contents + i - 2);
        !          2364:          /* If INSN is the field b of a parallel processing insn, it is not
        !          2365:             a load / store after all.  Note that the test here might mistake
        !          2366:             the field_b of a pcopy insn for the starting code of a parallel
        !          2367:             processing insn; this might miss a swapping opportunity, but at
        !          2368:             least we're on the safe side.  */
        !          2369:          if (dsp && (prev_insn & 0xfc00) == 0xf800)
        !          2370:            continue;
        !          2371:
        !          2372:          /* Check if prev_insn is actually the field b of a parallel
        !          2373:             processing insn.  Again, this can give a spurious match
        !          2374:             after a pcopy.  */
        !          2375:          if (dsp && i - 2 > start)
        !          2376:            {
        !          2377:              unsigned pprev_insn = bfd_get_16 (abfd, contents + i - 4);
        !          2378:
        !          2379:              if ((pprev_insn & 0xfc00) == 0xf800)
        !          2380:                prev_op = NULL;
        !          2381:              else
        !          2382:                prev_op = sh_insn_info (prev_insn);
        !          2383:            }
        !          2384:          else
        !          2385:            prev_op = sh_insn_info (prev_insn);
        !          2386:
        !          2387:          /* If the load/store instruction is in a delay slot, we
        !          2388:             can't swap.  */
        !          2389:          if (prev_op == NULL
        !          2390:              || (prev_op->flags & DELAY) != 0)
        !          2391:            continue;
        !          2392:        }
        !          2393:       if (i > start
        !          2394:          && (*plabel >= label_end || **plabel != i)
        !          2395:          && prev_op != NULL
        !          2396:          && (prev_op->flags & (LOAD | STORE)) == 0
        !          2397:          && ! sh_insns_conflict (prev_insn, prev_op, insn, op))
        !          2398:        {
        !          2399:          bfd_boolean ok;
        !          2400:
        !          2401:          /* The load/store instruction does not have a label, and
        !          2402:             there is a previous instruction; PREV_INSN is not
        !          2403:             itself a load/store instruction, and PREV_INSN and
        !          2404:             INSN do not conflict.  */
        !          2405:
        !          2406:          ok = TRUE;
        !          2407:
        !          2408:          if (i >= start + 4)
        !          2409:            {
        !          2410:              unsigned int prev2_insn;
        !          2411:              const struct sh_opcode *prev2_op;
        !          2412:
        !          2413:              prev2_insn = bfd_get_16 (abfd, contents + i - 4);
        !          2414:              prev2_op = sh_insn_info (prev2_insn);
        !          2415:
        !          2416:              /* If the instruction before PREV_INSN has a delay
        !          2417:                 slot--that is, PREV_INSN is in a delay slot--we
        !          2418:                 can not swap.  */
        !          2419:              if (prev2_op == NULL
        !          2420:                  || (prev2_op->flags & DELAY) != 0)
        !          2421:                ok = FALSE;
        !          2422:
        !          2423:              /* If the instruction before PREV_INSN is a load,
        !          2424:                 and it sets a register which INSN uses, then
        !          2425:                 putting INSN immediately after PREV_INSN will
        !          2426:                 cause a pipeline bubble, so there is no point to
        !          2427:                 making the swap.  */
        !          2428:              if (ok
        !          2429:                  && (prev2_op->flags & LOAD) != 0
        !          2430:                  && sh_load_use (prev2_insn, prev2_op, insn, op))
        !          2431:                ok = FALSE;
        !          2432:            }
        !          2433:
        !          2434:          if (ok)
        !          2435:            {
        !          2436:              if (! (*swap) (abfd, sec, relocs, contents, i - 2))
        !          2437:                return FALSE;
        !          2438:              *pswapped = TRUE;
        !          2439:              continue;
        !          2440:            }
        !          2441:        }
        !          2442:
        !          2443:       while (*plabel < label_end && **plabel < i + 2)
        !          2444:        ++*plabel;
        !          2445:
        !          2446:       if (i + 2 < stop
        !          2447:          && (*plabel >= label_end || **plabel != i + 2))
        !          2448:        {
        !          2449:          unsigned int next_insn;
        !          2450:          const struct sh_opcode *next_op;
        !          2451:
        !          2452:          /* There is an instruction after the load/store
        !          2453:             instruction, and it does not have a label.  */
        !          2454:          next_insn = bfd_get_16 (abfd, contents + i + 2);
        !          2455:          next_op = sh_insn_info (next_insn);
        !          2456:          if (next_op != NULL
        !          2457:              && (next_op->flags & (LOAD | STORE)) == 0
        !          2458:              && ! sh_insns_conflict (insn, op, next_insn, next_op))
        !          2459:            {
        !          2460:              bfd_boolean ok;
        !          2461:
        !          2462:              /* NEXT_INSN is not itself a load/store instruction,
        !          2463:                 and it does not conflict with INSN.  */
        !          2464:
        !          2465:              ok = TRUE;
        !          2466:
        !          2467:              /* If PREV_INSN is a load, and it sets a register
        !          2468:                 which NEXT_INSN uses, then putting NEXT_INSN
        !          2469:                 immediately after PREV_INSN will cause a pipeline
        !          2470:                 bubble, so there is no reason to make this swap.  */
        !          2471:              if (prev_op != NULL
        !          2472:                  && (prev_op->flags & LOAD) != 0
        !          2473:                  && sh_load_use (prev_insn, prev_op, next_insn, next_op))
        !          2474:                ok = FALSE;
        !          2475:
        !          2476:              /* If INSN is a load, and it sets a register which
        !          2477:                 the insn after NEXT_INSN uses, then doing the
        !          2478:                 swap will cause a pipeline bubble, so there is no
        !          2479:                 reason to make the swap.  However, if the insn
        !          2480:                 after NEXT_INSN is itself a load or store
        !          2481:                 instruction, then it is misaligned, so
        !          2482:                 optimistically hope that it will be swapped
        !          2483:                 itself, and just live with the pipeline bubble if
        !          2484:                 it isn't.  */
        !          2485:              if (ok
        !          2486:                  && i + 4 < stop
        !          2487:                  && (op->flags & LOAD) != 0)
        !          2488:                {
        !          2489:                  unsigned int next2_insn;
        !          2490:                  const struct sh_opcode *next2_op;
        !          2491:
        !          2492:                  next2_insn = bfd_get_16 (abfd, contents + i + 4);
        !          2493:                  next2_op = sh_insn_info (next2_insn);
        !          2494:                  if (next2_op == NULL
        !          2495:                      || ((next2_op->flags & (LOAD | STORE)) == 0
        !          2496:                          && sh_load_use (insn, op, next2_insn, next2_op)))
        !          2497:                    ok = FALSE;
        !          2498:                }
        !          2499:
        !          2500:              if (ok)
        !          2501:                {
        !          2502:                  if (! (*swap) (abfd, sec, relocs, contents, i))
        !          2503:                    return FALSE;
        !          2504:                  *pswapped = TRUE;
        !          2505:                  continue;
        !          2506:                }
        !          2507:            }
        !          2508:        }
        !          2509:     }
        !          2510:
        !          2511:   return TRUE;
        !          2512: }
        !          2513: #endif /* not COFF_IMAGE_WITH_PE */
        !          2514:
        !          2515: /* Swap two SH instructions.  */
        !          2516:
        !          2517: static bfd_boolean
        !          2518: sh_swap_insns (bfd *      abfd,
        !          2519:               asection * sec,
        !          2520:               void *     relocs,
        !          2521:               bfd_byte * contents,
        !          2522:               bfd_vma    addr)
        !          2523: {
        !          2524:   struct internal_reloc *internal_relocs = (struct internal_reloc *) relocs;
        !          2525:   unsigned short i1, i2;
        !          2526:   struct internal_reloc *irel, *irelend;
        !          2527:
        !          2528:   /* Swap the instructions themselves.  */
        !          2529:   i1 = bfd_get_16 (abfd, contents + addr);
        !          2530:   i2 = bfd_get_16 (abfd, contents + addr + 2);
        !          2531:   bfd_put_16 (abfd, (bfd_vma) i2, contents + addr);
        !          2532:   bfd_put_16 (abfd, (bfd_vma) i1, contents + addr + 2);
        !          2533:
        !          2534:   /* Adjust all reloc addresses.  */
        !          2535:   irelend = internal_relocs + sec->reloc_count;
        !          2536:   for (irel = internal_relocs; irel < irelend; irel++)
        !          2537:     {
        !          2538:       int type, add;
        !          2539:
        !          2540:       /* There are a few special types of relocs that we don't want to
        !          2541:          adjust.  These relocs do not apply to the instruction itself,
        !          2542:          but are only associated with the address.  */
        !          2543:       type = irel->r_type;
        !          2544:       if (type == R_SH_ALIGN
        !          2545:          || type == R_SH_CODE
        !          2546:          || type == R_SH_DATA
        !          2547:          || type == R_SH_LABEL)
        !          2548:        continue;
        !          2549:
        !          2550:       /* If an R_SH_USES reloc points to one of the addresses being
        !          2551:          swapped, we must adjust it.  It would be incorrect to do this
        !          2552:          for a jump, though, since we want to execute both
        !          2553:          instructions after the jump.  (We have avoided swapping
        !          2554:          around a label, so the jump will not wind up executing an
        !          2555:          instruction it shouldn't).  */
        !          2556:       if (type == R_SH_USES)
        !          2557:        {
        !          2558:          bfd_vma off;
        !          2559:
        !          2560:          off = irel->r_vaddr - sec->vma + 4 + irel->r_offset;
        !          2561:          if (off == addr)
        !          2562:            irel->r_offset += 2;
        !          2563:          else if (off == addr + 2)
        !          2564:            irel->r_offset -= 2;
        !          2565:        }
        !          2566:
        !          2567:       if (irel->r_vaddr - sec->vma == addr)
        !          2568:        {
        !          2569:          irel->r_vaddr += 2;
        !          2570:          add = -2;
        !          2571:        }
        !          2572:       else if (irel->r_vaddr - sec->vma == addr + 2)
        !          2573:        {
        !          2574:          irel->r_vaddr -= 2;
        !          2575:          add = 2;
        !          2576:        }
        !          2577:       else
        !          2578:        add = 0;
        !          2579:
        !          2580:       if (add != 0)
        !          2581:        {
        !          2582:          bfd_byte *loc;
        !          2583:          unsigned short insn, oinsn;
        !          2584:          bfd_boolean overflow;
        !          2585:
        !          2586:          loc = contents + irel->r_vaddr - sec->vma;
        !          2587:          overflow = FALSE;
        !          2588:          switch (type)
        !          2589:            {
        !          2590:            default:
        !          2591:              break;
        !          2592:
        !          2593:            case R_SH_PCDISP8BY2:
        !          2594:            case R_SH_PCRELIMM8BY2:
        !          2595:              insn = bfd_get_16 (abfd, loc);
        !          2596:              oinsn = insn;
        !          2597:              insn += add / 2;
        !          2598:              if ((oinsn & 0xff00) != (insn & 0xff00))
        !          2599:                overflow = TRUE;
        !          2600:              bfd_put_16 (abfd, (bfd_vma) insn, loc);
        !          2601:              break;
        !          2602:
        !          2603:            case R_SH_PCDISP:
        !          2604:              insn = bfd_get_16 (abfd, loc);
        !          2605:              oinsn = insn;
        !          2606:              insn += add / 2;
        !          2607:              if ((oinsn & 0xf000) != (insn & 0xf000))
        !          2608:                overflow = TRUE;
        !          2609:              bfd_put_16 (abfd, (bfd_vma) insn, loc);
        !          2610:              break;
        !          2611:
        !          2612:            case R_SH_PCRELIMM8BY4:
        !          2613:              /* This reloc ignores the least significant 3 bits of
        !          2614:                  the program counter before adding in the offset.
        !          2615:                  This means that if ADDR is at an even address, the
        !          2616:                  swap will not affect the offset.  If ADDR is an at an
        !          2617:                  odd address, then the instruction will be crossing a
        !          2618:                  four byte boundary, and must be adjusted.  */
        !          2619:              if ((addr & 3) != 0)
        !          2620:                {
        !          2621:                  insn = bfd_get_16 (abfd, loc);
        !          2622:                  oinsn = insn;
        !          2623:                  insn += add / 2;
        !          2624:                  if ((oinsn & 0xff00) != (insn & 0xff00))
        !          2625:                    overflow = TRUE;
        !          2626:                  bfd_put_16 (abfd, (bfd_vma) insn, loc);
        !          2627:                }
        !          2628:
        !          2629:              break;
        !          2630:            }
        !          2631:
        !          2632:          if (overflow)
        !          2633:            {
        !          2634:              ((*_bfd_error_handler)
        !          2635:               ("%B: 0x%lx: fatal: reloc overflow while relaxing",
        !          2636:                abfd, (unsigned long) irel->r_vaddr));
        !          2637:              bfd_set_error (bfd_error_bad_value);
        !          2638:              return FALSE;
        !          2639:            }
        !          2640:        }
        !          2641:     }
        !          2642:
        !          2643:   return TRUE;
        !          2644: }
        !          2645:
        !          2646: /* Look for loads and stores which we can align to four byte
        !          2647:    boundaries.  See the longer comment above sh_relax_section for why
        !          2648:    this is desirable.  This sets *PSWAPPED if some instruction was
        !          2649:    swapped.  */
        !          2650:
        !          2651: static bfd_boolean
        !          2652: sh_align_loads (bfd *abfd,
        !          2653:                asection *sec,
        !          2654:                struct internal_reloc *internal_relocs,
        !          2655:                bfd_byte *contents,
        !          2656:                bfd_boolean *pswapped)
        !          2657: {
        !          2658:   struct internal_reloc *irel, *irelend;
        !          2659:   bfd_vma *labels = NULL;
        !          2660:   bfd_vma *label, *label_end;
        !          2661:   bfd_size_type amt;
        !          2662:
        !          2663:   *pswapped = FALSE;
        !          2664:
        !          2665:   irelend = internal_relocs + sec->reloc_count;
        !          2666:
        !          2667:   /* Get all the addresses with labels on them.  */
        !          2668:   amt = (bfd_size_type) sec->reloc_count * sizeof (bfd_vma);
        !          2669:   labels = (bfd_vma *) bfd_malloc (amt);
        !          2670:   if (labels == NULL)
        !          2671:     goto error_return;
        !          2672:   label_end = labels;
        !          2673:   for (irel = internal_relocs; irel < irelend; irel++)
        !          2674:     {
        !          2675:       if (irel->r_type == R_SH_LABEL)
        !          2676:        {
        !          2677:          *label_end = irel->r_vaddr - sec->vma;
        !          2678:          ++label_end;
        !          2679:        }
        !          2680:     }
        !          2681:
        !          2682:   /* Note that the assembler currently always outputs relocs in
        !          2683:      address order.  If that ever changes, this code will need to sort
        !          2684:      the label values and the relocs.  */
        !          2685:
        !          2686:   label = labels;
        !          2687:
        !          2688:   for (irel = internal_relocs; irel < irelend; irel++)
        !          2689:     {
        !          2690:       bfd_vma start, stop;
        !          2691:
        !          2692:       if (irel->r_type != R_SH_CODE)
        !          2693:        continue;
        !          2694:
        !          2695:       start = irel->r_vaddr - sec->vma;
        !          2696:
        !          2697:       for (irel++; irel < irelend; irel++)
        !          2698:        if (irel->r_type == R_SH_DATA)
        !          2699:          break;
        !          2700:       if (irel < irelend)
        !          2701:        stop = irel->r_vaddr - sec->vma;
        !          2702:       else
        !          2703:        stop = sec->size;
        !          2704:
        !          2705:       if (! _bfd_sh_align_load_span (abfd, sec, contents, sh_swap_insns,
        !          2706:                                     internal_relocs, &label,
        !          2707:                                     label_end, start, stop, pswapped))
        !          2708:        goto error_return;
        !          2709:     }
        !          2710:
        !          2711:   free (labels);
        !          2712:
        !          2713:   return TRUE;
        !          2714:
        !          2715:  error_return:
        !          2716:   if (labels != NULL)
        !          2717:     free (labels);
        !          2718:   return FALSE;
        !          2719: }
        !          2720: 
        !          2721: /* This is a modification of _bfd_coff_generic_relocate_section, which
        !          2722:    will handle SH relaxing.  */
        !          2723:
        !          2724: static bfd_boolean
        !          2725: sh_relocate_section (bfd *output_bfd ATTRIBUTE_UNUSED,
        !          2726:                     struct bfd_link_info *info,
        !          2727:                     bfd *input_bfd,
        !          2728:                     asection *input_section,
        !          2729:                     bfd_byte *contents,
        !          2730:                     struct internal_reloc *relocs,
        !          2731:                     struct internal_syment *syms,
        !          2732:                     asection **sections)
        !          2733: {
        !          2734:   struct internal_reloc *rel;
        !          2735:   struct internal_reloc *relend;
        !          2736:
        !          2737:   rel = relocs;
        !          2738:   relend = rel + input_section->reloc_count;
        !          2739:   for (; rel < relend; rel++)
        !          2740:     {
        !          2741:       long symndx;
        !          2742:       struct coff_link_hash_entry *h;
        !          2743:       struct internal_syment *sym;
        !          2744:       bfd_vma addend;
        !          2745:       bfd_vma val;
        !          2746:       reloc_howto_type *howto;
        !          2747:       bfd_reloc_status_type rstat;
        !          2748:
        !          2749:       /* Almost all relocs have to do with relaxing.  If any work must
        !          2750:          be done for them, it has been done in sh_relax_section.  */
        !          2751:       if (rel->r_type != R_SH_IMM32
        !          2752: #ifdef COFF_WITH_PE
        !          2753:          && rel->r_type != R_SH_IMM32CE
        !          2754:          && rel->r_type != R_SH_IMAGEBASE
        !          2755: #endif
        !          2756:          && rel->r_type != R_SH_PCDISP)
        !          2757:        continue;
        !          2758:
        !          2759:       symndx = rel->r_symndx;
        !          2760:
        !          2761:       if (symndx == -1)
        !          2762:        {
        !          2763:          h = NULL;
        !          2764:          sym = NULL;
        !          2765:        }
        !          2766:       else
        !          2767:        {
        !          2768:          if (symndx < 0
        !          2769:              || (unsigned long) symndx >= obj_raw_syment_count (input_bfd))
        !          2770:            {
        !          2771:              (*_bfd_error_handler)
        !          2772:                ("%B: illegal symbol index %ld in relocs",
        !          2773:                 input_bfd, symndx);
        !          2774:              bfd_set_error (bfd_error_bad_value);
        !          2775:              return FALSE;
        !          2776:            }
        !          2777:          h = obj_coff_sym_hashes (input_bfd)[symndx];
        !          2778:          sym = syms + symndx;
        !          2779:        }
        !          2780:
        !          2781:       if (sym != NULL && sym->n_scnum != 0)
        !          2782:        addend = - sym->n_value;
        !          2783:       else
        !          2784:        addend = 0;
        !          2785:
        !          2786:       if (rel->r_type == R_SH_PCDISP)
        !          2787:        addend -= 4;
        !          2788:
        !          2789:       if (rel->r_type >= SH_COFF_HOWTO_COUNT)
        !          2790:        howto = NULL;
        !          2791:       else
        !          2792:        howto = &sh_coff_howtos[rel->r_type];
        !          2793:
        !          2794:       if (howto == NULL)
        !          2795:        {
        !          2796:          bfd_set_error (bfd_error_bad_value);
        !          2797:          return FALSE;
        !          2798:        }
        !          2799:
        !          2800: #ifdef COFF_WITH_PE
        !          2801:       if (rel->r_type == R_SH_IMAGEBASE)
        !          2802:        addend -= pe_data (input_section->output_section->owner)->pe_opthdr.ImageBase;
        !          2803: #endif
        !          2804:
        !          2805:       val = 0;
        !          2806:
        !          2807:       if (h == NULL)
        !          2808:        {
        !          2809:          asection *sec;
        !          2810:
        !          2811:          /* There is nothing to do for an internal PCDISP reloc.  */
        !          2812:          if (rel->r_type == R_SH_PCDISP)
        !          2813:            continue;
        !          2814:
        !          2815:          if (symndx == -1)
        !          2816:            {
        !          2817:              sec = bfd_abs_section_ptr;
        !          2818:              val = 0;
        !          2819:            }
        !          2820:          else
        !          2821:            {
        !          2822:              sec = sections[symndx];
        !          2823:               val = (sec->output_section->vma
        !          2824:                     + sec->output_offset
        !          2825:                     + sym->n_value
        !          2826:                     - sec->vma);
        !          2827:            }
        !          2828:        }
        !          2829:       else
        !          2830:        {
        !          2831:          if (h->root.type == bfd_link_hash_defined
        !          2832:              || h->root.type == bfd_link_hash_defweak)
        !          2833:            {
        !          2834:              asection *sec;
        !          2835:
        !          2836:              sec = h->root.u.def.section;
        !          2837:              val = (h->root.u.def.value
        !          2838:                     + sec->output_section->vma
        !          2839:                     + sec->output_offset);
        !          2840:            }
        !          2841:          else if (! info->relocatable)
        !          2842:            {
        !          2843:              if (! ((*info->callbacks->undefined_symbol)
        !          2844:                     (info, h->root.root.string, input_bfd, input_section,
        !          2845:                      rel->r_vaddr - input_section->vma, TRUE)))
        !          2846:                return FALSE;
        !          2847:            }
        !          2848:        }
        !          2849:
        !          2850:       rstat = _bfd_final_link_relocate (howto, input_bfd, input_section,
        !          2851:                                        contents,
        !          2852:                                        rel->r_vaddr - input_section->vma,
        !          2853:                                        val, addend);
        !          2854:
        !          2855:       switch (rstat)
        !          2856:        {
        !          2857:        default:
        !          2858:          abort ();
        !          2859:        case bfd_reloc_ok:
        !          2860:          break;
        !          2861:        case bfd_reloc_overflow:
        !          2862:          {
        !          2863:            const char *name;
        !          2864:            char buf[SYMNMLEN + 1];
        !          2865:
        !          2866:            if (symndx == -1)
        !          2867:              name = "*ABS*";
        !          2868:            else if (h != NULL)
        !          2869:              name = NULL;
        !          2870:            else if (sym->_n._n_n._n_zeroes == 0
        !          2871:                     && sym->_n._n_n._n_offset != 0)
        !          2872:              name = obj_coff_strings (input_bfd) + sym->_n._n_n._n_offset;
        !          2873:            else
        !          2874:              {
        !          2875:                strncpy (buf, sym->_n._n_name, SYMNMLEN);
        !          2876:                buf[SYMNMLEN] = '\0';
        !          2877:                name = buf;
        !          2878:              }
        !          2879:
        !          2880:            if (! ((*info->callbacks->reloc_overflow)
        !          2881:                   (info, (h ? &h->root : NULL), name, howto->name,
        !          2882:                    (bfd_vma) 0, input_bfd, input_section,
        !          2883:                    rel->r_vaddr - input_section->vma)))
        !          2884:              return FALSE;
        !          2885:          }
        !          2886:        }
        !          2887:     }
        !          2888:
        !          2889:   return TRUE;
        !          2890: }
        !          2891:
        !          2892: /* This is a version of bfd_generic_get_relocated_section_contents
        !          2893:    which uses sh_relocate_section.  */
        !          2894:
        !          2895: static bfd_byte *
        !          2896: sh_coff_get_relocated_section_contents (bfd *output_bfd,
        !          2897:                                        struct bfd_link_info *link_info,
        !          2898:                                        struct bfd_link_order *link_order,
        !          2899:                                        bfd_byte *data,
        !          2900:                                        bfd_boolean relocatable,
        !          2901:                                        asymbol **symbols)
        !          2902: {
        !          2903:   asection *input_section = link_order->u.indirect.section;
        !          2904:   bfd *input_bfd = input_section->owner;
        !          2905:   asection **sections = NULL;
        !          2906:   struct internal_reloc *internal_relocs = NULL;
        !          2907:   struct internal_syment *internal_syms = NULL;
        !          2908:
        !          2909:   /* We only need to handle the case of relaxing, or of having a
        !          2910:      particular set of section contents, specially.  */
        !          2911:   if (relocatable
        !          2912:       || coff_section_data (input_bfd, input_section) == NULL
        !          2913:       || coff_section_data (input_bfd, input_section)->contents == NULL)
        !          2914:     return bfd_generic_get_relocated_section_contents (output_bfd, link_info,
        !          2915:                                                       link_order, data,
        !          2916:                                                       relocatable,
        !          2917:                                                       symbols);
        !          2918:
        !          2919:   memcpy (data, coff_section_data (input_bfd, input_section)->contents,
        !          2920:          (size_t) input_section->size);
        !          2921:
        !          2922:   if ((input_section->flags & SEC_RELOC) != 0
        !          2923:       && input_section->reloc_count > 0)
        !          2924:     {
        !          2925:       bfd_size_type symesz = bfd_coff_symesz (input_bfd);
        !          2926:       bfd_byte *esym, *esymend;
        !          2927:       struct internal_syment *isymp;
        !          2928:       asection **secpp;
        !          2929:       bfd_size_type amt;
        !          2930:
        !          2931:       if (! _bfd_coff_get_external_symbols (input_bfd))
        !          2932:        goto error_return;
        !          2933:
        !          2934:       internal_relocs = (_bfd_coff_read_internal_relocs
        !          2935:                         (input_bfd, input_section, FALSE, (bfd_byte *) NULL,
        !          2936:                          FALSE, (struct internal_reloc *) NULL));
        !          2937:       if (internal_relocs == NULL)
        !          2938:        goto error_return;
        !          2939:
        !          2940:       amt = obj_raw_syment_count (input_bfd);
        !          2941:       amt *= sizeof (struct internal_syment);
        !          2942:       internal_syms = (struct internal_syment *) bfd_malloc (amt);
        !          2943:       if (internal_syms == NULL)
        !          2944:        goto error_return;
        !          2945:
        !          2946:       amt = obj_raw_syment_count (input_bfd);
        !          2947:       amt *= sizeof (asection *);
        !          2948:       sections = (asection **) bfd_malloc (amt);
        !          2949:       if (sections == NULL)
        !          2950:        goto error_return;
        !          2951:
        !          2952:       isymp = internal_syms;
        !          2953:       secpp = sections;
        !          2954:       esym = (bfd_byte *) obj_coff_external_syms (input_bfd);
        !          2955:       esymend = esym + obj_raw_syment_count (input_bfd) * symesz;
        !          2956:       while (esym < esymend)
        !          2957:        {
        !          2958:          bfd_coff_swap_sym_in (input_bfd, esym, isymp);
        !          2959:
        !          2960:          if (isymp->n_scnum != 0)
        !          2961:            *secpp = coff_section_from_bfd_index (input_bfd, isymp->n_scnum);
        !          2962:          else
        !          2963:            {
        !          2964:              if (isymp->n_value == 0)
        !          2965:                *secpp = bfd_und_section_ptr;
        !          2966:              else
        !          2967:                *secpp = bfd_com_section_ptr;
        !          2968:            }
        !          2969:
        !          2970:          esym += (isymp->n_numaux + 1) * symesz;
        !          2971:          secpp += isymp->n_numaux + 1;
        !          2972:          isymp += isymp->n_numaux + 1;
        !          2973:        }
        !          2974:
        !          2975:       if (! sh_relocate_section (output_bfd, link_info, input_bfd,
        !          2976:                                 input_section, data, internal_relocs,
        !          2977:                                 internal_syms, sections))
        !          2978:        goto error_return;
        !          2979:
        !          2980:       free (sections);
        !          2981:       sections = NULL;
        !          2982:       free (internal_syms);
        !          2983:       internal_syms = NULL;
        !          2984:       free (internal_relocs);
        !          2985:       internal_relocs = NULL;
        !          2986:     }
        !          2987:
        !          2988:   return data;
        !          2989:
        !          2990:  error_return:
        !          2991:   if (internal_relocs != NULL)
        !          2992:     free (internal_relocs);
        !          2993:   if (internal_syms != NULL)
        !          2994:     free (internal_syms);
        !          2995:   if (sections != NULL)
        !          2996:     free (sections);
        !          2997:   return NULL;
        !          2998: }
        !          2999:
        !          3000: /* The target vectors.  */
        !          3001:
        !          3002: #ifndef TARGET_SHL_SYM
        !          3003: CREATE_BIG_COFF_TARGET_VEC (shcoff_vec, "coff-sh", BFD_IS_RELAXABLE, 0, '_', NULL, COFF_SWAP_TABLE)
        !          3004: #endif
        !          3005:
        !          3006: #ifdef TARGET_SHL_SYM
        !          3007: #define TARGET_SYM TARGET_SHL_SYM
        !          3008: #else
        !          3009: #define TARGET_SYM shlcoff_vec
        !          3010: #endif
        !          3011:
        !          3012: #ifndef TARGET_SHL_NAME
        !          3013: #define TARGET_SHL_NAME "coff-shl"
        !          3014: #endif
        !          3015:
        !          3016: #ifdef COFF_WITH_PE
        !          3017: CREATE_LITTLE_COFF_TARGET_VEC (TARGET_SYM, TARGET_SHL_NAME, BFD_IS_RELAXABLE,
        !          3018:                               SEC_CODE | SEC_DATA, '_', NULL, COFF_SWAP_TABLE);
        !          3019: #else
        !          3020: CREATE_LITTLE_COFF_TARGET_VEC (TARGET_SYM, TARGET_SHL_NAME, BFD_IS_RELAXABLE,
        !          3021:                               0, '_', NULL, COFF_SWAP_TABLE)
        !          3022: #endif
        !          3023:
        !          3024: #ifndef TARGET_SHL_SYM
        !          3025:
        !          3026: /* Some people want versions of the SH COFF target which do not align
        !          3027:    to 16 byte boundaries.  We implement that by adding a couple of new
        !          3028:    target vectors.  These are just like the ones above, but they
        !          3029:    change the default section alignment.  To generate them in the
        !          3030:    assembler, use -small.  To use them in the linker, use -b
        !          3031:    coff-sh{l}-small and -oformat coff-sh{l}-small.
        !          3032:
        !          3033:    Yes, this is a horrible hack.  A general solution for setting
        !          3034:    section alignment in COFF is rather complex.  ELF handles this
        !          3035:    correctly.  */
        !          3036:
        !          3037: /* Only recognize the small versions if the target was not defaulted.
        !          3038:    Otherwise we won't recognize the non default endianness.  */
        !          3039:
        !          3040: static const bfd_target *
        !          3041: coff_small_object_p (bfd *abfd)
        !          3042: {
        !          3043:   if (abfd->target_defaulted)
        !          3044:     {
        !          3045:       bfd_set_error (bfd_error_wrong_format);
        !          3046:       return NULL;
        !          3047:     }
        !          3048:   return coff_object_p (abfd);
        !          3049: }
        !          3050:
        !          3051: /* Set the section alignment for the small versions.  */
        !          3052:
        !          3053: static bfd_boolean
        !          3054: coff_small_new_section_hook (bfd *abfd, asection *section)
        !          3055: {
        !          3056:   if (! coff_new_section_hook (abfd, section))
        !          3057:     return FALSE;
        !          3058:
        !          3059:   /* We must align to at least a four byte boundary, because longword
        !          3060:      accesses must be on a four byte boundary.  */
        !          3061:   if (section->alignment_power == COFF_DEFAULT_SECTION_ALIGNMENT_POWER)
        !          3062:     section->alignment_power = 2;
        !          3063:
        !          3064:   return TRUE;
        !          3065: }
        !          3066:
        !          3067: /* This is copied from bfd_coff_std_swap_table so that we can change
        !          3068:    the default section alignment power.  */
        !          3069:
        !          3070: static bfd_coff_backend_data bfd_coff_small_swap_table =
        !          3071: {
        !          3072:   coff_swap_aux_in, coff_swap_sym_in, coff_swap_lineno_in,
        !          3073:   coff_swap_aux_out, coff_swap_sym_out,
        !          3074:   coff_swap_lineno_out, coff_swap_reloc_out,
        !          3075:   coff_swap_filehdr_out, coff_swap_aouthdr_out,
        !          3076:   coff_swap_scnhdr_out,
        !          3077:   FILHSZ, AOUTSZ, SCNHSZ, SYMESZ, AUXESZ, RELSZ, LINESZ, FILNMLEN,
        !          3078: #ifdef COFF_LONG_FILENAMES
        !          3079:   TRUE,
        !          3080: #else
        !          3081:   FALSE,
        !          3082: #endif
        !          3083:   COFF_DEFAULT_LONG_SECTION_NAMES,
        !          3084:   2,
        !          3085: #ifdef COFF_FORCE_SYMBOLS_IN_STRINGS
        !          3086:   TRUE,
        !          3087: #else
        !          3088:   FALSE,
        !          3089: #endif
        !          3090: #ifdef COFF_DEBUG_STRING_WIDE_PREFIX
        !          3091:   4,
        !          3092: #else
        !          3093:   2,
        !          3094: #endif
        !          3095:   coff_swap_filehdr_in, coff_swap_aouthdr_in, coff_swap_scnhdr_in,
        !          3096:   coff_swap_reloc_in, coff_bad_format_hook, coff_set_arch_mach_hook,
        !          3097:   coff_mkobject_hook, styp_to_sec_flags, coff_set_alignment_hook,
        !          3098:   coff_slurp_symbol_table, symname_in_debug_hook, coff_pointerize_aux_hook,
        !          3099:   coff_print_aux, coff_reloc16_extra_cases, coff_reloc16_estimate,
        !          3100:   coff_classify_symbol, coff_compute_section_file_positions,
        !          3101:   coff_start_final_link, coff_relocate_section, coff_rtype_to_howto,
        !          3102:   coff_adjust_symndx, coff_link_add_one_symbol,
        !          3103:   coff_link_output_has_begun, coff_final_link_postscript,
        !          3104:   bfd_pe_print_pdata
        !          3105: };
        !          3106:
        !          3107: #define coff_small_close_and_cleanup \
        !          3108:   coff_close_and_cleanup
        !          3109: #define coff_small_bfd_free_cached_info \
        !          3110:   coff_bfd_free_cached_info
        !          3111: #define coff_small_get_section_contents \
        !          3112:   coff_get_section_contents
        !          3113: #define coff_small_get_section_contents_in_window \
        !          3114:   coff_get_section_contents_in_window
        !          3115:
        !          3116: extern const bfd_target shlcoff_small_vec;
        !          3117:
        !          3118: const bfd_target shcoff_small_vec =
        !          3119: {
        !          3120:   "coff-sh-small",             /* name */
        !          3121:   bfd_target_coff_flavour,
        !          3122:   BFD_ENDIAN_BIG,              /* data byte order is big */
        !          3123:   BFD_ENDIAN_BIG,              /* header byte order is big */
        !          3124:
        !          3125:   (HAS_RELOC | EXEC_P |                /* object flags */
        !          3126:    HAS_LINENO | HAS_DEBUG |
        !          3127:    HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE),
        !          3128:
        !          3129:   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC),
        !          3130:   '_',                         /* leading symbol underscore */
        !          3131:   '/',                         /* ar_pad_char */
        !          3132:   15,                          /* ar_max_namelen */
        !          3133:   0,                           /* match priority.  */
        !          3134:   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
        !          3135:   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
        !          3136:   bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */
        !          3137:   bfd_getb64, bfd_getb_signed_64, bfd_putb64,
        !          3138:   bfd_getb32, bfd_getb_signed_32, bfd_putb32,
        !          3139:   bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */
        !          3140:
        !          3141:   {_bfd_dummy_target, coff_small_object_p, /* bfd_check_format */
        !          3142:      bfd_generic_archive_p, _bfd_dummy_target},
        !          3143:   {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
        !          3144:      bfd_false},
        !          3145:   {bfd_false, coff_write_object_contents, /* bfd_write_contents */
        !          3146:      _bfd_write_archive_contents, bfd_false},
        !          3147:
        !          3148:   BFD_JUMP_TABLE_GENERIC (coff_small),
        !          3149:   BFD_JUMP_TABLE_COPY (coff),
        !          3150:   BFD_JUMP_TABLE_CORE (_bfd_nocore),
        !          3151:   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
        !          3152:   BFD_JUMP_TABLE_SYMBOLS (coff),
        !          3153:   BFD_JUMP_TABLE_RELOCS (coff),
        !          3154:   BFD_JUMP_TABLE_WRITE (coff),
        !          3155:   BFD_JUMP_TABLE_LINK (coff),
        !          3156:   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
        !          3157:
        !          3158:   & shlcoff_small_vec,
        !          3159:
        !          3160:   & bfd_coff_small_swap_table
        !          3161: };
        !          3162:
        !          3163: const bfd_target shlcoff_small_vec =
        !          3164: {
        !          3165:   "coff-shl-small",            /* name */
        !          3166:   bfd_target_coff_flavour,
        !          3167:   BFD_ENDIAN_LITTLE,           /* data byte order is little */
        !          3168:   BFD_ENDIAN_LITTLE,           /* header byte order is little endian too*/
        !          3169:
        !          3170:   (HAS_RELOC | EXEC_P |                /* object flags */
        !          3171:    HAS_LINENO | HAS_DEBUG |
        !          3172:    HAS_SYMS | HAS_LOCALS | WP_TEXT | BFD_IS_RELAXABLE),
        !          3173:
        !          3174:   (SEC_HAS_CONTENTS | SEC_ALLOC | SEC_LOAD | SEC_RELOC),
        !          3175:   '_',                         /* leading symbol underscore */
        !          3176:   '/',                         /* ar_pad_char */
        !          3177:   15,                          /* ar_max_namelen */
        !          3178:   0,                           /* match priority.  */
        !          3179:   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
        !          3180:   bfd_getl32, bfd_getl_signed_32, bfd_putl32,
        !          3181:   bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* data */
        !          3182:   bfd_getl64, bfd_getl_signed_64, bfd_putl64,
        !          3183:   bfd_getl32, bfd_getl_signed_32, bfd_putl32,
        !          3184:   bfd_getl16, bfd_getl_signed_16, bfd_putl16, /* hdrs */
        !          3185:
        !          3186:   {_bfd_dummy_target, coff_small_object_p, /* bfd_check_format */
        !          3187:      bfd_generic_archive_p, _bfd_dummy_target},
        !          3188:   {bfd_false, coff_mkobject, _bfd_generic_mkarchive, /* bfd_set_format */
        !          3189:      bfd_false},
        !          3190:   {bfd_false, coff_write_object_contents, /* bfd_write_contents */
        !          3191:      _bfd_write_archive_contents, bfd_false},
        !          3192:
        !          3193:   BFD_JUMP_TABLE_GENERIC (coff_small),
        !          3194:   BFD_JUMP_TABLE_COPY (coff),
        !          3195:   BFD_JUMP_TABLE_CORE (_bfd_nocore),
        !          3196:   BFD_JUMP_TABLE_ARCHIVE (_bfd_archive_coff),
        !          3197:   BFD_JUMP_TABLE_SYMBOLS (coff),
        !          3198:   BFD_JUMP_TABLE_RELOCS (coff),
        !          3199:   BFD_JUMP_TABLE_WRITE (coff),
        !          3200:   BFD_JUMP_TABLE_LINK (coff),
        !          3201:   BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
        !          3202:
        !          3203:   & shcoff_small_vec,
        !          3204:
        !          3205:   & bfd_coff_small_swap_table
        !          3206: };
        !          3207: #endif

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