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Annotation of src/sys/compat/netbsd32/netbsd32_exec.h, Revision 1.28.4.2

1.28.4.2! ad          1: /*     $NetBSD: netbsd32_exec.h,v 1.28 2008/11/19 18:36:05 ad Exp $    */
        !             2:
        !             3: /*
        !             4:  * Copyright (c) 1998, 2001 Matthew R. Green
        !             5:  * All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            17:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            18:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            19:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            20:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
        !            21:  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
        !            22:  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
        !            23:  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
        !            24:  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            25:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            26:  * SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: #ifndef        _NETBSD32_EXEC_H_
        !            30: #define        _NETBSD32_EXEC_H_
        !            31:
        !            32: #include <compat/netbsd32/netbsd32.h>
        !            33:
        !            34: /* from <sys/exec_aout.h> */
        !            35: /*
        !            36:  * Header prepended to each a.out file.
        !            37:  * only manipulate the a_midmag field via the
        !            38:  * N_SETMAGIC/N_GET{MAGIC,MID,FLAG} macros below.
        !            39:  */
        !            40: struct netbsd32_exec {
        !            41:        netbsd32_u_long a_midmag;       /* htonl(flags<<26 | mid<<16 | magic) */
        !            42:        netbsd32_u_long a_text;         /* text segment size */
        !            43:        netbsd32_u_long a_data;         /* initialized data size */
        !            44:        netbsd32_u_long a_bss;          /* uninitialized data size */
        !            45:        netbsd32_u_long a_syms;         /* symbol table size */
        !            46:        netbsd32_u_long a_entry;        /* entry point */
        !            47:        netbsd32_u_long a_trsize;       /* text relocation size */
        !            48:        netbsd32_u_long a_drsize;       /* data relocation size */
        !            49: };
        !            50:
        !            51: extern struct emul emul_netbsd32;
        !            52:
        !            53: #ifdef EXEC_AOUT
        !            54: int netbsd32_exec_aout_prep_zmagic(struct lwp *, struct exec_package *);
        !            55: int netbsd32_exec_aout_prep_nmagic(struct lwp *, struct exec_package *);
        !            56: int netbsd32_exec_aout_prep_omagic(struct lwp *, struct exec_package *);
        !            57: int exec_netbsd32_makecmds(struct lwp *, struct exec_package *);
        !            58: #endif
        !            59: #ifdef EXEC_ELF32
        !            60: int netbsd32_elf32_probe(struct lwp *, struct exec_package *, void *,
        !            61:     char *, vaddr_t *);
        !            62: int netbsd32_elf32_probe_noteless(struct lwp *, struct exec_package *,
        !            63:     void *, char *, vaddr_t *);
        !            64: int netbsd32_elf32_copyargs(struct lwp *, struct exec_package *,
        !            65:     struct ps_strings *, char **, void *);
        !            66: #endif /* EXEC_ELF32 */
        !            67:
        !            68: static __inline int netbsd32_copyargs(struct lwp *, struct exec_package *,
        !            69:     struct ps_strings *, char **, void *);
        !            70:
        !            71: void netbsd32_setregs (struct lwp *, struct exec_package *, u_long stack);
        !            72: int netbsd32_sigreturn (struct proc *, void *, register_t *);
        !            73: void netbsd32_sendsig (const ksiginfo_t *, const sigset_t *);
        !            74:
        !            75: extern char netbsd32_esigcode[], netbsd32_sigcode[];
        !            76:
        !            77: /*
        !            78:  * We need to copy out all pointers as 32-bit values.
        !            79:  */
        !            80: static __inline int
        !            81: netbsd32_copyargs(l, pack, arginfo, stackp, argp)
        !            82:        struct lwp *l;
        !            83:        struct exec_package *pack;
        !            84:        struct ps_strings *arginfo;
        !            85:        char **stackp;
        !            86:        void *argp;
        !            87: {
        !            88:        u_int32_t *cpp = (u_int32_t *)*stackp;
        !            89:        netbsd32_pointer_t dp;
        !            90:        u_int32_t nullp = 0;
        !            91:        char *sp;
        !            92:        size_t len;
        !            93:        int argc = arginfo->ps_nargvstr;
        !            94:        int envc = arginfo->ps_nenvstr;
        !            95:        int error;
        !            96:
        !            97:        if ((error = copyout(&argc, cpp++, sizeof(argc))) != 0)
        !            98:                return error;
        !            99:
        !           100:        NETBSD32PTR32(dp, cpp + argc + envc + 2 + pack->ep_esch->es_arglen);
        !           101:        sp = argp;
        !           102:
        !           103:        /* XXX don't copy them out, remap them! */
        !           104:        /* remember location of argv for later */
        !           105:        arginfo->ps_argvstr = (char **)(u_long)cpp;
        !           106:
        !           107:        for (; --argc >= 0; sp += len, NETBSD32PTR32PLUS(dp, len)) {
        !           108:                if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0 ||
        !           109:                    (error = copyoutstr(sp, NETBSD32PTR64(dp),
        !           110:                                        ARG_MAX, &len)) != 0)
        !           111:                        return error;
        !           112:        }
        !           113:        if ((error = copyout(&nullp, cpp++, sizeof(nullp))) != 0)
        !           114:                return error;
        !           115:
        !           116:        /* remember location of envp for later */
        !           117:        arginfo->ps_envstr = (char **)(u_long)cpp;
        !           118:
        !           119:        for (; --envc >= 0; sp += len, NETBSD32PTR32PLUS(dp, len)) {
        !           120:                if ((error = copyout(&dp, cpp++, sizeof(dp))) != 0 ||
        !           121:                    (error = copyoutstr(sp, NETBSD32PTR64(dp),
        !           122:                                        ARG_MAX, &len)) != 0)
        !           123:                        return error;
        !           124:        }
        !           125:        if ((error = copyout(&nullp, cpp++, sizeof(nullp))) != 0)
        !           126:                return error;
        !           127:
        !           128:        *stackp = (char *)cpp;
        !           129:        return 0;
        !           130: }
        !           131:
        !           132: #endif /* !_NETBSD32_EXEC_H_ */