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File: [cvs.NetBSD.org] / src / sys / compat / ndis / pe_var.h (download)

Revision 1.5, Thu Nov 16 01:32:44 2006 UTC (8 years, 1 month ago) by christos
Branch: MAIN
CVS Tags: yamt-x86pmap-base4, yamt-x86pmap-base3, yamt-x86pmap-base2, yamt-x86pmap-base, yamt-x86pmap, yamt-splraiseipl-base5, yamt-splraiseipl-base4, yamt-splraiseipl-base3, yamt-pf42-baseX, yamt-pf42-base4, yamt-pf42-base3, yamt-pf42-base2, yamt-pf42-base, yamt-pf42, yamt-pagecache-tag8, yamt-pagecache-base9, yamt-pagecache-base8, yamt-pagecache-base7, yamt-pagecache-base6, yamt-pagecache-base5, yamt-pagecache-base4, yamt-pagecache-base3, yamt-pagecache-base2, yamt-pagecache-base, yamt-pagecache, yamt-nfs-mp-base9, yamt-nfs-mp-base8, yamt-nfs-mp-base7, yamt-nfs-mp-base6, yamt-nfs-mp-base5, yamt-nfs-mp-base4, yamt-nfs-mp-base3, yamt-nfs-mp-base2, yamt-nfs-mp-base11, yamt-nfs-mp-base10, yamt-nfs-mp-base, yamt-nfs-mp, yamt-lazymbuf-base15, yamt-lazymbuf-base14, yamt-kmem-base3, yamt-kmem-base2, yamt-kmem-base, yamt-kmem, yamt-idlelwp-base8, yamt-idlelwp, wrstuden-revivesa-base-4, wrstuden-revivesa-base-3, wrstuden-revivesa-base-2, wrstuden-revivesa-base-1, wrstuden-revivesa-base, wrstuden-revivesa, wrstuden-fixsa-newbase, wrstuden-fixsa-base-1, wrstuden-fixsa-base, wrstuden-fixsa, vmlocking2-base3, vmlocking2-base2, vmlocking2-base1, vmlocking2, vmlocking-nbase, vmlocking-base, vmlocking, uebayasi-xip-base4, uebayasi-xip-base3, uebayasi-xip-base2, uebayasi-xip-base1, uebayasi-xip-base, uebayasi-xip, tls-maxphys-base, tls-maxphys, tls-earlyentropy-base, tls-earlyentropy, thorpej-atomic-base, thorpej-atomic, simonb-wapbl-nbase, simonb-wapbl-base, simonb-wapbl, rmind-uvmplock-nbase, rmind-uvmplock-base, rmind-uvmplock, rmind-smpnet-nbase, rmind-smpnet-base, rmind-smpnet, riastradh-xf86-video-intel-2-7-1-pre-2-21-15, riastradh-drm2-base3, riastradh-drm2-base2, riastradh-drm2-base1, riastradh-drm2-base, riastradh-drm2, reinoud-bufcleanup-nbase, reinoud-bufcleanup-base, reinoud-bufcleanup, post-newlock2-merge, nick-nhusb-base, nick-nhusb, nick-net80211-sync-base, nick-net80211-sync, nick-hppapmap-base4, nick-hppapmap-base3, nick-hppapmap-base2, nick-hppapmap-base, nick-hppapmap, nick-csl-alignment-base5, nick-csl-alignment-base, nick-csl-alignment, newlock2-nbase, newlock2-base, netbsd-7-base, netbsd-7, netbsd-6-base, netbsd-6-1-RELEASE, netbsd-6-1-RC4, netbsd-6-1-RC3, netbsd-6-1-RC2, netbsd-6-1-RC1, netbsd-6-1-5-RELEASE, netbsd-6-1-4-RELEASE, netbsd-6-1-3-RELEASE, netbsd-6-1-2-RELEASE, netbsd-6-1-1-RELEASE, netbsd-6-1, netbsd-6-0-RELEASE, netbsd-6-0-RC2, netbsd-6-0-RC1, netbsd-6-0-6-RELEASE, netbsd-6-0-5-RELEASE, netbsd-6-0-4-RELEASE, netbsd-6-0-3-RELEASE, netbsd-6-0-2-RELEASE, netbsd-6-0-1-RELEASE, netbsd-6-0, netbsd-6, netbsd-5-base, netbsd-5-2-RELEASE, netbsd-5-2-RC1, netbsd-5-2-3-RELEASE, netbsd-5-2-2-RELEASE, netbsd-5-2-1-RELEASE, netbsd-5-2, netbsd-5-1-RELEASE, netbsd-5-1-RC4, netbsd-5-1-RC3, netbsd-5-1-RC2, netbsd-5-1-RC1, netbsd-5-1-5-RELEASE, netbsd-5-1-4-RELEASE, netbsd-5-1-3-RELEASE, netbsd-5-1-2-RELEASE, netbsd-5-1-1-RELEASE, netbsd-5-1, netbsd-5-0-RELEASE, netbsd-5-0-RC4, netbsd-5-0-RC3, netbsd-5-0-RC2, netbsd-5-0-RC1, netbsd-5-0-2-RELEASE, netbsd-5-0-1-RELEASE, netbsd-5-0, netbsd-5, netbsd-4-base, netbsd-4-0-RELEASE, netbsd-4-0-RC5, netbsd-4-0-RC4, netbsd-4-0-RC3, netbsd-4-0-RC2, netbsd-4-0-RC1, netbsd-4-0-1-RELEASE, netbsd-4-0, netbsd-4, mjf-ufs-trans-base, mjf-ufs-trans, mjf-devfs2-base, mjf-devfs2, mjf-devfs-base, mjf-devfs, matt-premerge-20091211, matt-nb6-plus-nbase, matt-nb6-plus-base, matt-nb6-plus, matt-nb5-pq3-base, matt-nb5-pq3, matt-nb5-mips64-u2-k2-k4-k7-k8-k9, matt-nb5-mips64-u1-k1-k5, matt-nb5-mips64-premerge-20101231, matt-nb5-mips64-premerge-20091211, matt-nb5-mips64-k15, matt-nb5-mips64, matt-nb4-mips64-k7-u2a-k9b, matt-nb4-arm-base, matt-nb4-arm, matt-mips64-premerge-20101231, matt-mips64-base2, matt-mips64-base, matt-mips64, matt-armv6-prevmlocking, matt-armv6-nbase, matt-armv6-base, matt-armv6, khorben-n900, keiichi-mipv6-nbase, keiichi-mipv6-base, keiichi-mipv6, jymxensuspend-base, jym-xensuspend-nbase, jym-xensuspend-base, jym-xensuspend, jruoho-x86intr-base, jruoho-x86intr, jmcneill-usbmp-pre-base2, jmcneill-usbmp-base9, jmcneill-usbmp-base8, jmcneill-usbmp-base7, jmcneill-usbmp-base6, jmcneill-usbmp-base5, jmcneill-usbmp-base4, jmcneill-usbmp-base3, jmcneill-usbmp-base2, jmcneill-usbmp-base10, jmcneill-usbmp-base, jmcneill-usbmp, jmcneill-pm-base, jmcneill-pm, jmcneill-base, jmcneill-audiomp3-base, jmcneill-audiomp3, hpcarm-cleanup-nbase, hpcarm-cleanup-base, hpcarm-cleanup, haad-nbase2, haad-dm-base2, haad-dm-base1, haad-dm-base, haad-dm, cube-autoconf-base, cube-autoconf, cherry-xenmp-base, cherry-xenmp, bouyer-xeni386-nbase, bouyer-xeni386-merge1, bouyer-xeni386-base, bouyer-xeni386, bouyer-xenamd64-base2, bouyer-xenamd64-base, bouyer-xenamd64, bouyer-quota2-nbase, bouyer-quota2-base, bouyer-quota2, agc-symver-base, agc-symver, ad-socklock-base1, ad-audiomp2-base, ad-audiomp2, ad-audiomp-base, ad-audiomp, HEAD
Changes since 1.4: +2 -2 lines

__unused removal on arguments; approved by core.

/*-
 * Copyright (c) 2003
 *	Bill Paul <wpaul@windriver.com>.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by Bill Paul.
 * 4. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: src/sys/compat/ndis/pe_var.h,v 1.8.2.2 2005/02/18 16:30:09 wpaul Exp $
 */

#ifndef _PE_VAR_H_
#define _PE_VAR_H_

#ifdef __NetBSD__
#include "nbcompat.h"
#endif

/*
 *  Image Format
 */

#define IMAGE_DOS_SIGNATURE			0x5A4D      /* MZ */
#define IMAGE_OS2_SIGNATURE			0x454E      /* NE */
#define IMAGE_OS2_SIGNATURE_LE			0x454C      /* LE */
#define IMAGE_VXD_SIGNATURE			0x454C      /* LE */
#define IMAGE_NT_SIGNATURE			0x00004550  /* PE00 */

/*
 * All PE files have one of these, just so if you attempt to
 * run them, they'll print out a message telling you they can
 * only be run in Windows.
 */

struct image_dos_header {
	uint16_t	idh_magic;	/* Magic number */
	uint16_t	idh_cblp;	/* Bytes on last page of file */
	uint16_t	idh_cp;		/* Pages in file */
	uint16_t	idh_crlc;	/* Relocations */
	uint16_t	idh_cparhdr;	/* Size of header in paragraphs */
	uint16_t	idh_minalloc;	/* Minimum extra paragraphs needed */
	uint16_t	idh_maxalloc;	/* Maximum extra paragraphs needed */
	uint16_t	idh_ss;		/* Initial (relative) SS value */
	uint16_t	idh_sp;		/* Initial SP value */
	uint16_t	idh_csum;	/* Checksum */
	uint16_t	idh_ip;		/* Initial IP value */
	uint16_t	idh_cs;		/* Initial (relative) CS value */
	uint16_t	idh_lfarlc;	/* File address of relocation table */
	uint16_t	idh_ovno;	/* Overlay number */
	uint16_t	idh_rsvd1[4];	/* Reserved words */
	uint16_t	idh_oemid;	/* OEM identifier (for idh_oeminfo) */
	uint16_t	idh_oeminfo;	/* OEM information; oemid specific */
	uint16_t	idh_rsvd2[10];	/* Reserved words */
	uint32_t	idh_lfanew;	/* File address of new exe header */
};

typedef struct image_dos_header image_dos_header;

/*
 * File header format.
 */

struct image_file_header {
	uint16_t	ifh_machine;		/* Machine type */
	uint16_t	ifh_numsections;	/* # of sections */
	uint32_t	ifh_timestamp;		/* Date/time stamp */
	uint32_t	ifh_symtblptr;		/* Offset to symbol table */
	uint32_t	ifh_numsyms; 		/* # of symbols */
	uint16_t	ifh_optionalhdrlen;	/* Size of optional header */
	uint16_t	ifh_characteristics;	/* Characteristics */
};

typedef struct image_file_header image_file_header;

/* Machine types */

#define IMAGE_FILE_MACHINE_UNKNOWN      0
#define IMAGE_FILE_MACHINE_I860         0x014d
#define IMAGE_FILE_MACHINE_I386         0x014c
#define IMAGE_FILE_MACHINE_R3000        0x0162
#define IMAGE_FILE_MACHINE_R4000        0x0166
#define IMAGE_FILE_MACHINE_R10000       0x0168
#define IMAGE_FILE_MACHINE_WCEMIPSV2    0x0169
#define IMAGE_FILE_MACHINE_ALPHA        0x0184
#define IMAGE_FILE_MACHINE_SH3          0x01a2
#define IMAGE_FILE_MACHINE_SH3DSP       0x01a3
#define IMAGE_FILE_MACHINE_SH3E         0x01a4
#define IMAGE_FILE_MACHINE_SH4          0x01a6
#define IMAGE_FILE_MACHINE_SH5          0x01a8
#define IMAGE_FILE_MACHINE_ARM          0x01c0
#define IMAGE_FILE_MACHINE_THUMB        0x01c2
#define IMAGE_FILE_MACHINE_AM33         0x01d3
#define IMAGE_FILE_MACHINE_POWERPC      0x01f0
#define IMAGE_FILE_MACHINE_POWERPCFP    0x01f1
#define IMAGE_FILE_MACHINE_IA64         0x0200
#define IMAGE_FILE_MACHINE_MIPS16       0x0266
#define IMAGE_FILE_MACHINE_ALPHA64      0x0284
#define IMAGE_FILE_MACHINE_MIPSFPU      0x0366
#define IMAGE_FILE_MACHINE_MIPSFPU16    0x0466
#define IMAGE_FILE_MACHINE_AXP64        IMAGE_FILE_MACHINE_ALPHA64
#define IMAGE_FILE_MACHINE_TRICORE      0x0520
#define IMAGE_FILE_MACHINE_CEF          0x0cef
#define IMAGE_FILE_MACHINE_EBC          0x0ebc
#define IMAGE_FILE_MACHINE_AMD64        0x8664
#define IMAGE_FILE_MACHINE_M32R         0x9041
#define IMAGE_FILE_MACHINE_CEE          0xc0ee

/* Characteristics */

#define IMAGE_FILE_RELOCS_STRIPPED      0x0001 /* No relocation info */
#define IMAGE_FILE_EXECUTABLE_IMAGE     0x0002
#define IMAGE_FILE_LINE_NUMS_STRIPPED   0x0004
#define IMAGE_FILE_LOCAL_SYMS_STRIPPED  0x0008
#define IMAGE_FILE_AGGRESIVE_WS_TRIM    0x0010
#define IMAGE_FILE_LARGE_ADDRESS_AWARE  0x0020
#define IMAGE_FILE_16BIT_MACHINE        0x0040
#define IMAGE_FILE_BYTES_REVERSED_LO    0x0080
#define IMAGE_FILE_32BIT_MACHINE        0x0100
#define IMAGE_FILE_DEBUG_STRIPPED       0x0200
#define IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP      0x0400
#define IMAGE_FILE_NET_RUN_FROM_SWAP    0x0800
#define IMAGE_FILE_SYSTEM               0x1000
#define IMAGE_FILE_DLL                  0x2000
#define IMAGE_FILE_UP_SYSTEM_ONLY       0x4000
#define IMAGE_FILE_BYTES_REVERSED_HI    0x8000

#define IMAGE_SIZEOF_FILE_HEADER             20

/*
 * Directory format.
 */

struct image_data_directory {
	uint32_t		idd_vaddr;	/* virtual address */
	uint32_t		idd_size;	/* size */
};

typedef struct image_data_directory image_data_directory;

#define IMAGE_DIRECTORY_ENTRIES_MAX    16

/*
 * Optional header format.
 */

struct image_optional_header {

	/* Standard fields */

	uint16_t	ioh_magic;
	uint8_t		ioh_linkerver_major;
	uint8_t		ioh_linkerver_minor;
	uint32_t	ioh_codesize;
	uint32_t	ioh_datasize;
	uint32_t	ioh_bsssize;
	uint32_t	ioh_entryaddr;
	uint32_t	ioh_codebaseaddr;
#ifndef __amd64__
	uint32_t	ioh_databaseaddr;
#endif

	/* NT-specific fields */

	uintptr_t	ioh_imagebase;
	uint32_t	ioh_sectalign;
	uint32_t	ioh_filealign;
	uint16_t	ioh_osver_major;
	uint16_t	ioh_osver_minor;
	uint16_t	ioh_imagever_major;
	uint16_t	ioh_imagever_minor;
	uint16_t	ioh_subsys_major;
	uint16_t	ioh_subsys_minor;
	uint32_t	ioh_win32ver;
	uint32_t	ioh_imagesize;
	uint32_t	ioh_headersize;
	uint32_t	ioh_csum;
	uint16_t	ioh_subsys;
	uint16_t	ioh_dll_characteristics;
	uintptr_t	ioh_stackreservesize;
	uintptr_t	ioh_stackcommitsize;
	uintptr_t	ioh_heapreservesize;
	uintptr_t	ioh_heapcommitsize;
	uint16_t	ioh_loaderflags;
	uint32_t	ioh_rva_size_cnt;
	image_data_directory	ioh_datadir[IMAGE_DIRECTORY_ENTRIES_MAX];
};

typedef struct image_optional_header image_optional_header;

struct image_nt_header {
	uint32_t		inh_signature;
	image_file_header	inh_filehdr;
	image_optional_header	inh_optionalhdr;
};

typedef struct image_nt_header image_nt_header;

/* Directory Entries */

#define IMAGE_DIRECTORY_ENTRY_EXPORT         0   /* Export Directory */
#define IMAGE_DIRECTORY_ENTRY_IMPORT         1   /* Import Directory */
#define IMAGE_DIRECTORY_ENTRY_RESOURCE       2   /* Resource Directory */
#define IMAGE_DIRECTORY_ENTRY_EXCEPTION      3   /* Exception Directory */
#define IMAGE_DIRECTORY_ENTRY_SECURITY       4   /* Security Directory */
#define IMAGE_DIRECTORY_ENTRY_BASERELOC      5   /* Base Relocation Table */
#define IMAGE_DIRECTORY_ENTRY_DEBUG          6   /* Debug Directory */
#define IMAGE_DIRECTORY_ENTRY_COPYRIGHT      7   /* Description String */
#define IMAGE_DIRECTORY_ENTRY_GLOBALPTR      8   /* Machine Value (MIPS GP) */
#define IMAGE_DIRECTORY_ENTRY_TLS            9   /* TLS Directory */
#define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG   10   /* Load Configuration Directory */
#define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT  11   /* Bound Import Directory in headers */
#define IMAGE_DIRECTORY_ENTRY_IAT           12   /* Import Address Table */
#define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT      13
#define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR    14

/* Resource types */

#define RT_CURSOR	1
#define RT_BITMAP	2
#define RT_ICON		3
#define RT_MENU		4
#define RT_DIALOG	5
#define RT_STRING	6
#define RT_FONTDIR	7
#define RT_FONT		8
#define RT_ACCELERATOR	9
#define RT_RCDATA	10
#define RT_MESSAGETABLE	11
#define RT_GROUP_CURSOR	12
#define RT_GROUP_ICON	14
#define RT_VERSION	16
#define RT_DLGINCLUDE	17
#define RT_PLUGPLAY	19
#define RT_VXD		20
#define RT_ANICURSOR	21
#define RT_ANIICON	22
#define RT_HTML		23

/*
 * Section header format.
 */

#define IMAGE_SHORT_NAME_LEN			8

struct image_section_header {
	uint8_t		ish_name[IMAGE_SHORT_NAME_LEN];
	union {
		uint32_t	ish_paddr;
		uint32_t	ish_vsize;
	} ish_misc;
	uint32_t	ish_vaddr;
	uint32_t	ish_rawdatasize;
	uint32_t	ish_rawdataaddr;
	uint32_t	ish_relocaddr;
	uint32_t	ish_linenumaddr;
	uint16_t	ish_numrelocs;
	uint16_t	ish_numlinenums;
	uint32_t	ish_characteristics;
};

typedef struct image_section_header image_section_header;

#define IMAGE_SIZEOF_SECTION_HEADER          40

/*
 * Import format
 */

struct image_import_by_name {
	uint16_t	iibn_hint;
	uint8_t		iibn_name[1];
};

#define IMAGE_ORDINAL_FLAG 0x80000000
#define IMAGE_ORDINAL(Ordinal) (Ordinal & 0xffff)

struct image_import_descriptor {
	uint32_t	iid_import_name_table_addr;
	uint32_t	iid_timestamp;
	uint32_t	iid_forwardchain;
	uint32_t	iid_nameaddr;
	uint32_t	iid_import_address_table_addr;
};

typedef struct image_import_descriptor image_import_descriptor;

struct image_base_reloc {
	uint32_t	ibr_vaddr;
	uint32_t	ibr_blocksize;
	uint16_t	ibr_rel[1];
};

typedef struct image_base_reloc image_base_reloc;

#define IMR_RELTYPE(x)		((x >> 12) & 0xF)
#define IMR_RELOFFSET(x)	(x & 0xFFF)

/* generic relocation types */
#define IMAGE_REL_BASED_ABSOLUTE                0
#define IMAGE_REL_BASED_HIGH                    1
#define IMAGE_REL_BASED_LOW                     2
#define IMAGE_REL_BASED_HIGHLOW                 3
#define IMAGE_REL_BASED_HIGHADJ                 4
#define IMAGE_REL_BASED_MIPS_JMPADDR            5
#define IMAGE_REL_BASED_SECTION                 6
#define IMAGE_REL_BASED_REL                     7
#define IMAGE_REL_BASED_MIPS_JMPADDR16          9
#define IMAGE_REL_BASED_IA64_IMM64              9 /* yes, 9 too */
#define IMAGE_REL_BASED_DIR64                   10
#define IMAGE_REL_BASED_HIGH3ADJ                11

struct image_resource_directory_entry {
	uint32_t		irde_name;
	uint32_t		irde_dataoff;
};

typedef struct image_resource_directory_entry image_resource_directory_entry;

#define RESOURCE_NAME_STR	0x80000000
#define RESOURCE_DIR_FLAG	0x80000000

struct image_resource_directory {
	uint32_t		ird_characteristics;
	uint32_t		ird_timestamp;
	uint16_t		ird_majorver;
	uint16_t		ird_minorver;
	uint16_t		ird_named_entries;
	uint16_t		ird_id_entries;
#ifdef notdef
	image_resource_directory_entry	ird_entries[1];
#endif
};

typedef struct image_resource_directory image_resource_directory;

struct image_resource_directory_string {
	uint16_t		irds_len;
	char			irds_name[1];
};

typedef struct image_resource_directory_string image_resource_directory_string;

struct image_resource_directory_string_u {
	uint16_t		irds_len;
	char			irds_name[1];
};

typedef struct image_resource_directory_string_u
	image_resource_directory_string_u;

struct image_resource_data_entry {
	uint32_t		irde_offset;
	uint32_t		irde_size;
	uint32_t		irde_codepage;
	uint32_t		irde_rsvd;
};

typedef struct image_resource_data_entry image_resource_data_entry;

struct message_resource_data {
	uint32_t		mrd_numblocks;
#ifdef notdef
	message_resource_block	mrd_blocks[1];
#endif
};

typedef struct message_resource_data message_resource_data;

struct message_resource_block {
	uint32_t		mrb_lowid;
	uint32_t		mrb_highid;
	uint32_t		mrb_entryoff;
};

typedef struct message_resource_block message_resource_block;

struct message_resource_entry {
	uint16_t		mre_len;
	uint16_t		mre_flags;
	char			mre_text[];
};

typedef struct message_resource_entry message_resource_entry;

#define MESSAGE_RESOURCE_UNICODE	0x0001

struct image_patch_table {
	const char		*ipt_name;
	void			(*ipt_func)(void);
	void			(*ipt_wrap)(void);
};

typedef struct image_patch_table image_patch_table;

/*
 * Note: Windows uses the _stdcall calling convention. This means
 * that the callback functions provided in the function table must
 * be declared using __attribute__((__stdcall__)), otherwise the
 * Windows code will likely screw up the %esp register and cause
 * us to jump to an invalid address when it returns.
 */

#ifdef __amd64__
#define	__stdcall
#define __regcall
#define __fastcall
#define REGARGS1(decl1)		decl1
#define REGARGS2(decl1, decl2)	decl1, decl2
#define REGCALL1(arg1)		arg1
#define REGCALL2(arg1, arg2)	arg1, arg2
#else
#define	__stdcall __attribute__((__stdcall__))
#define __regcall __attribute__((__regparm__(3)))
#define __fastcall __stdcall __regcall
#define REGARGS1(decl1)		int dummy1, int dummy2, decl1
#define REGARGS2(decl1, decl2)	int dummy1, decl2, decl1
#define REGCALL1(arg1)		0, 0, arg1
#define REGCALL2(arg1, arg2)	0, arg2, arg1
#endif


/*
 * This mess allows us to call a _fastcall style routine with our
 * version of gcc, which lacks __attribute__((__fastcall__)). Only
 * has meaning on x86; everywhere else, it's a no-op.
 */

#ifdef __i386__
typedef __fastcall int (*fcall1)(REGARGS1(uint32_t));
typedef __fastcall int (*fcall2)(REGARGS2(uint32_t, uint32_t));
typedef __fastcall int (*fcall3)(REGARGS2(uint32_t, uint32_t), uint32_t);

static __inline uint32_t 
fastcall1(fcall1 f, uint32_t a)
{
	return(f(REGCALL1(a)));
}

static __inline uint32_t 
fastcall2(fcall2 f, uint32_t a, uint32_t b)
{
	return(f(REGCALL2(a, b)));
}

static __inline uint32_t 
fastcall3(fcall3 f, uint32_t a, uint32_t b, uint32_t c)
{
	return(f(REGCALL2(a, b), c));
}

#define FASTCALL1(f, a)		\
	fastcall1((fcall1)(f), (uint32_t)(a))
#define FASTCALL2(f, a, b)	\
	fastcall2((fcall2)(f), (uint32_t)(a), (uint32_t)(b))
#define FASTCALL3(f, a, b, c)	\
	fastcall3((fcall3)(f), (uint32_t)(a), (uint32_t)(b), (uint32_t)(c))
#else
#define FASTCALL1(f, a) (f)((a))
#define FASTCALL2(f, a, b) (f)((a), (b))
#define FASTCALL3(f, a, b, c) (f)((a), (b), (c))
#endif /* __i386__ */


/*
 * AMD64 support. Microsoft uses a different calling convention
 * than everyone else on the amd64 platform. Sadly, gcc has no
 * built-in support for it (yet).
 *
 * The three major differences we're concerned with are:
 *
 * - The first 4 register-sized arguments are passed in the
 *   %rcx, %rdx, %r8 and %r9 registers, and the rest are pushed
 *   onto the stack. (The ELF ABI uses 6 registers, not 4).
 *
 * - The caller must reserve space on the stack for the 4
 *   register arguments in case the callee has to spill them.
 *
 * - The stack myst be 16-byte aligned by the time the callee
 *   executes. A call instruction implicitly pushes an 8 byte
 *   return address onto the stack. We have to make sure that
 *   the amount of space we consume, plus the return address,
 *   is a multiple of 16 bytes in size. This means that in
 *   some cases, we may need to chew up an extra 8 bytes on
 *   the stack that will be unused.
 *
 * On the bright side, Microsoft seems to be using just the one
 * calling convention for all functions on amd64, unlike x86 where
 * they use a mix of _stdcall, _fastcall and _cdecl.
 */

#ifdef __amd64__

extern uint64_t x86_64_call1(void *, uint64_t);
extern uint64_t x86_64_call2(void *, uint64_t, uint64_t);
extern uint64_t x86_64_call3(void *, uint64_t, uint64_t, uint64_t);
extern uint64_t x86_64_call4(void *, uint64_t, uint64_t, uint64_t, uint64_t);
extern uint64_t x86_64_call5(void *, uint64_t, uint64_t, uint64_t, uint64_t,
	uint64_t);
extern uint64_t x86_64_call6(void *, uint64_t, uint64_t, uint64_t, uint64_t,
	uint64_t, uint64_t);


#define MSCALL1(fn, a)						\
	x86_64_call1((fn), (uint64_t)(a))
#define MSCALL2(fn, a, b)					\
	x86_64_call2((fn), (uint64_t)(a), (uint64_t)(b))
#define MSCALL3(fn, a, b, c)					\
	x86_64_call3((fn), (uint64_t)(a), (uint64_t)(b),		\
	(uint64_t)(c))
#define MSCALL4(fn, a, b, c, d)					\
	x86_64_call4((fn), (uint64_t)(a), (uint64_t)(b),		\
	(uint64_t)(c), (uint64_t)(d))
#define MSCALL5(fn, a, b, c, d, e)				\
	x86_64_call5((fn), (uint64_t)(a), (uint64_t)(b),		\
	(uint64_t)(c), (uint64_t)(d), (uint64_t)(e))
#define MSCALL6(fn, a, b, c, d, e, f)				\
	x86_64_call6((fn), (uint64_t)(a), (uint64_t)(b),		\
	(uint64_t)(c), (uint64_t)(d), (uint64_t)(e), (uint64_t)(f))

#else /* __amd64__ */

#define MSCALL1(fn, a)			(fn)((a))
#define MSCALL2(fn, a, b)		(fn)((a), (b))
#define MSCALL3(fn, a, b, c)		(fn)((a), (b), (c))
#define MSCALL4(fn, a, b, c, d)		(fn)((a), (b), (c), (d))
#define MSCALL5(fn, a, b, c, d, e)	(fn)((a), (b), (c), (d), (e))
#define MSCALL6(fn, a, b, c, d, e, f)	(fn)((a), (b), (c), (d), (e), (f))

#endif /* __amd64__ */


#define FUNC void(*)(void)
#define IMPORT_FUNC(x)		{ #x, (FUNC)x, NULL }
#define IMPORT_FUNC_MAP(x, y)	{ #x, (FUNC)y, NULL }

__BEGIN_DECLS
extern int pe_get_dos_header(vm_offset_t, image_dos_header *);
extern int pe_is_nt_image(vm_offset_t);
extern int pe_get_optional_header(vm_offset_t, image_optional_header *);
extern int pe_get_file_header(vm_offset_t, image_file_header *);
extern int pe_get_section_header(vm_offset_t, image_section_header *);
extern int pe_numsections(vm_offset_t);
extern vm_offset_t pe_imagebase(vm_offset_t);
extern vm_offset_t pe_directory_offset(vm_offset_t, uint32_t);
extern vm_offset_t pe_translate_addr (vm_offset_t, vm_offset_t);
extern int pe_get_section(vm_offset_t, image_section_header *, const char *);
extern int pe_relocate(vm_offset_t);
extern int pe_get_import_descriptor(vm_offset_t, image_import_descriptor *, const char *);
extern int pe_patch_imports(vm_offset_t, const char *, image_patch_table *);
extern int pe_get_messagetable(vm_offset_t, message_resource_data **);
extern int pe_get_message(vm_offset_t, uint32_t, char **, int *, uint16_t *);
__END_DECLS

#endif /* _PE_VAR_H_ */