output/macho.h - chromium/deps/nasm - Git at Google

 /* ----------------------------------------------------------------------- *
  *
  *   Copyright 1996-2018 The NASM Authors - All Rights Reserved
  *   See the file AUTHORS included with the NASM distribution for
  *   the specific copyright holders.
  *
  *   Redistribution and use in source and binary forms, with or without
  *   modification, are permitted provided that the following
  *   conditions are met:
  *
  *   * Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  *   * 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.
  *
  *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT OWNER OR
  *     CONTRIBUTORS 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.
  *
  * ----------------------------------------------------------------------- */

 #ifndef OUTPUT_MACHO_H
 #define OUTPUT_MACHO_H

 #include "compiler.h"

 /* Magics */
 #define MH_MAGIC			0xfeedface
 #define MH_MAGIC_64			0xfeedfacf

 /* File types */
 #define MH_OBJECT			0x1

 /* CPUs */
 #define CPU_ARCH_MASK			0xff000000
 #define CPU_ARCH_ABI64			0x01000000
 #define CPU_TYPE_X86			7
 #define CPU_TYPE_I386			CPU_TYPE_X86
 #define CPU_TYPE_X86_64			(CPU_TYPE_X86 | CPU_ARCH_ABI64)

 #define CPU_SUBTYPE_MASK		0xff000000
 #define CPU_SUBTYPE_I386_ALL		3

 /* Header flags */
 #define MH_SUBSECTIONS_VIA_SYMBOLS	0x00002000

 /* Load commands */
 #define LC_SEGMENT			0x1
 #define LC_SEGMENT_64			0x19
 #define LC_SYMTAB			0x2

 /* Symbol type bits */
 #define N_STAB				0xe0
 #define	N_PEXT				0x10
 #define N_TYPE				0x0e
 #define N_EXT				0x01

 /* To mask with N_TYPE */
 #define N_UNDF				0x00
 #define N_ABS				0x02
 #define N_INDR				0x0a
 #define N_PBUD				0x0c
 #define N_SECT				0x0e

 /* Section ordinals */
 #define NO_SECT				0x00
 #define MAX_SECT			0xff

 /* Section bits */
 #define SECTION_TYPE			0x000000ff
 #define SECTION_ATTRIBUTES		0xffffff00
 #define SECTION_ATTRIBUTES_USR		0xff000000
 #define SECTION_ATTRIBUTES_SYS		0x00ffff00

 #define S_REGULAR				0x00
 #define S_ZEROFILL				0x01
 #define S_CSTRING_LITERALS			0x02
 #define S_4BYTE_LITERALS			0x03
 #define S_8BYTE_LITERALS			0x04
 #define S_LITERAL_POINTERS			0x05
 #define S_NON_LAZY_SYMBOL_POINTERS		0x06
 #define S_LAZY_SYMBOL_POINTERS			0x07
 #define S_SYMBOL_STUBS				0x08
 #define S_MOD_INIT_FUNC_POINTERS		0x09
 #define S_MOD_TERM_FUNC_POINTERS		0x0a
 #define S_COALESCED				0x0b
 #define S_GB_ZEROFILL				0x0c
 #define S_INTERPOSING				0x0d
 #define S_16BYTE_LITERALS			0x0e
 #define S_DTRACE_DOF				0x0f
 #define S_LAZY_DYLIB_SYMBOL_POINTERS		0x10
 #define S_THREAD_LOCAL_REGULAR			0x11
 #define S_THREAD_LOCAL_ZEROFILL			0x12
 #define S_THREAD_LOCAL_VARIABLES		0x13
 #define S_THREAD_LOCAL_VARIABLE_POINTERS	0x14
 #define S_THREAD_LOCAL_INIT_FUNCTION_POINTERS	0x15

 #define S_ATTR_PURE_INSTRUCTIONS		0x80000000
 #define S_ATTR_NO_TOC				0x40000000
 #define S_ATTR_STRIP_STATIC_SYMS		0x20000000
 #define S_ATTR_NO_DEAD_STRIP			0x10000000
 #define S_ATTR_LIVE_SUPPORT			0x08000000
 #define S_ATTR_SELF_MODIFYING_CODE		0x04000000
 #define S_ATTR_DEBUG				0x02000000

 #define S_ATTR_SOME_INSTRUCTIONS		0x00000400
 #define S_ATTR_EXT_RELOC			0x00000200
 #define S_ATTR_LOC_RELOC			0x00000100
 #define INDIRECT_SYMBOL_LOCAL			0x80000000
 #define INDIRECT_SYMBOL_ABS			0x40000000

 /* Relocation info type */
 #define GENERIC_RELOC_VANILLA		0
 #define GENERIC_RELOC_PAIR		1
 #define GENERIC_RELOC_SECTDIFF		2
 #define GENERIC_RELOC_PB_LA_PTR		3
 #define GENERIC_RELOC_LOCAL_SECTDIFF	4
 #define GENERIC_RELOC_TLV		5

 #define X86_64_RELOC_UNSIGNED		0
 #define X86_64_RELOC_SIGNED		1
 #define X86_64_RELOC_BRANCH		2
 #define X86_64_RELOC_GOT_LOAD		3
 #define X86_64_RELOC_GOT		4
 #define X86_64_RELOC_SUBTRACTOR		5
 #define X86_64_RELOC_SIGNED_1		6
 #define X86_64_RELOC_SIGNED_2		7
 #define X86_64_RELOC_SIGNED_4		8
 #define X86_64_RELOC_TLV		9

 /* Relocation info */
 #define R_ABS		0
 #define R_SCATTERED	0x80000000

 /* VM permission constants */
 #define	VM_PROT_NONE			0x00
 #define VM_PROT_READ			0x01
 #define VM_PROT_WRITE			0x02
 #define VM_PROT_EXECUTE			0x04

 typedef struct {
 	uint32_t	magic;
 	uint32_t	cputype;
 	uint32_t	cpusubtype;
 	uint32_t	filetype;
 	uint32_t	ncmds;
 	uint32_t	sizeofcmds;
 	uint32_t	flags;
 } macho_header_t;

 typedef struct {
 	uint32_t	magic;
 	uint32_t	cputype;
 	uint32_t	cpusubtype;
 	uint32_t	filetype;
 	uint32_t	ncmds;
 	uint32_t	sizeofcmds;
 	uint32_t	flags;
 	uint32_t	reserved;
 } macho_header_64_t;

 typedef struct {
 	uint32_t	cmd;
 	uint32_t	cmdsize;
 } macho_load_command_t;

 typedef struct {
 	uint32_t	cmd;
 	uint32_t	cmdsize;
 	char		segname[16];
 	uint32_t	vmaddr;
 	uint32_t	vmsize;
 	uint32_t	fileoff;
 	uint32_t	filesize;
 	uint32_t	maxprot;
 	uint32_t	initprot;
 	uint32_t	nsects;
 	uint32_t	flags;
 } macho_segment_command_t;

 typedef struct {
 	uint32_t	cmd;
 	uint32_t	cmdsize;
 	char		segname[16];
 	uint64_t	vmaddr;
 	uint64_t	vmsize;
 	uint64_t	fileoff;
 	uint64_t	filesize;
 	uint32_t	maxprot;
 	uint32_t	initprot;
 	uint32_t	nsects;
 	uint32_t	flags;
 } macho_segment_command_64_t;

 typedef struct {
 	char		sectname[16];
 	char		segname[16];
 	uint32_t	addr;
 	uint32_t	size;
 	uint32_t	offset;
 	uint32_t	align;
 	uint32_t	reloff;
 	uint32_t	nreloc;
 	uint32_t	flags;
 	uint32_t	reserved1;
 	uint32_t	reserved2;
 } macho_section_t;

 typedef struct {
 	char		sectname[16];
 	char		segname[16];
 	uint64_t	addr;
 	uint64_t	size;
 	uint32_t	offset;
 	uint32_t	align;
 	uint32_t	reloff;
 	uint32_t	nreloc;
 	uint32_t	flags;
 	uint32_t	reserved1;
 	uint32_t	reserved2;
 	uint32_t	reserved3;
 } macho_section_64_t;

 typedef struct {
 	uint32_t	cmd;
 	uint32_t	cmdsize;
 	uint32_t	symoff;
 	uint32_t	nsyms;
 	uint32_t	stroff;
 	uint32_t	strsize;
 } macho_symtab_command_t;

 typedef struct {
 	int32_t		r_address;
 	union {
 		struct {
 			uint32_t	r_symbolnum:	24,
 					r_pcrel:	1,
 					r_length:	2,
 					r_extern:	1,
 					r_type:		4;
 		} s;
 		uint32_t	r_raw;
 	} u;
 } macho_relocation_info_t;

 typedef struct nlist_base {
 	uint32_t	n_strx;
 	uint8_t		n_type;
 	uint8_t		n_sect;
 	uint16_t	n_desc;
 } macho_nlist_base_t;

 typedef struct nlist {
 	uint32_t	n_strx;
 	uint8_t		n_type;
 	uint8_t		n_sect;
 	int16_t		n_desc;
 	uint32_t	n_value;
 } macho_nlist_t;

 typedef struct {
 	uint32_t	n_strx;
 	uint8_t		n_type;
 	uint8_t		n_sect;
 	uint16_t	n_desc;
 	uint64_t	n_value;
 } macho_nlist_64_t;

 #endif /* OUTPUT_MACHO_H */
	/* ----------------------------------------------------------------------- *
	*
	* Copyright 1996-2018 The NASM Authors - All Rights Reserved
	* See the file AUTHORS included with the NASM distribution for
	* the specific copyright holders.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following
	* conditions are met:
	*
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * 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.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT OWNER OR
	* CONTRIBUTORS 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.
	*
	* ----------------------------------------------------------------------- */

	#ifndef OUTPUT_MACHO_H
	#define OUTPUT_MACHO_H

	#include "compiler.h"

	/* Magics */
	#define MH_MAGIC 0xfeedface
	#define MH_MAGIC_64 0xfeedfacf

	/* File types */
	#define MH_OBJECT 0x1

	/* CPUs */
	#define CPU_ARCH_MASK 0xff000000
	#define CPU_ARCH_ABI64 0x01000000
	#define CPU_TYPE_X86 7
	#define CPU_TYPE_I386 CPU_TYPE_X86
	#define CPU_TYPE_X86_64 (CPU_TYPE_X86 \| CPU_ARCH_ABI64)

	#define CPU_SUBTYPE_MASK 0xff000000
	#define CPU_SUBTYPE_I386_ALL 3

	/* Header flags */
	#define MH_SUBSECTIONS_VIA_SYMBOLS 0x00002000

	/* Load commands */
	#define LC_SEGMENT 0x1
	#define LC_SEGMENT_64 0x19
	#define LC_SYMTAB 0x2

	/* Symbol type bits */
	#define N_STAB 0xe0
	#define N_PEXT 0x10
	#define N_TYPE 0x0e
	#define N_EXT 0x01

	/* To mask with N_TYPE */
	#define N_UNDF 0x00
	#define N_ABS 0x02
	#define N_INDR 0x0a
	#define N_PBUD 0x0c
	#define N_SECT 0x0e

	/* Section ordinals */
	#define NO_SECT 0x00
	#define MAX_SECT 0xff

	/* Section bits */
	#define SECTION_TYPE 0x000000ff
	#define SECTION_ATTRIBUTES 0xffffff00
	#define SECTION_ATTRIBUTES_USR 0xff000000
	#define SECTION_ATTRIBUTES_SYS 0x00ffff00

	#define S_REGULAR 0x00
	#define S_ZEROFILL 0x01
	#define S_CSTRING_LITERALS 0x02
	#define S_4BYTE_LITERALS 0x03
	#define S_8BYTE_LITERALS 0x04
	#define S_LITERAL_POINTERS 0x05
	#define S_NON_LAZY_SYMBOL_POINTERS 0x06
	#define S_LAZY_SYMBOL_POINTERS 0x07
	#define S_SYMBOL_STUBS 0x08
	#define S_MOD_INIT_FUNC_POINTERS 0x09
	#define S_MOD_TERM_FUNC_POINTERS 0x0a
	#define S_COALESCED 0x0b
	#define S_GB_ZEROFILL 0x0c
	#define S_INTERPOSING 0x0d
	#define S_16BYTE_LITERALS 0x0e
	#define S_DTRACE_DOF 0x0f
	#define S_LAZY_DYLIB_SYMBOL_POINTERS 0x10
	#define S_THREAD_LOCAL_REGULAR 0x11
	#define S_THREAD_LOCAL_ZEROFILL 0x12
	#define S_THREAD_LOCAL_VARIABLES 0x13
	#define S_THREAD_LOCAL_VARIABLE_POINTERS 0x14
	#define S_THREAD_LOCAL_INIT_FUNCTION_POINTERS 0x15

	#define S_ATTR_PURE_INSTRUCTIONS 0x80000000
	#define S_ATTR_NO_TOC 0x40000000
	#define S_ATTR_STRIP_STATIC_SYMS 0x20000000
	#define S_ATTR_NO_DEAD_STRIP 0x10000000
	#define S_ATTR_LIVE_SUPPORT 0x08000000
	#define S_ATTR_SELF_MODIFYING_CODE 0x04000000
	#define S_ATTR_DEBUG 0x02000000

	#define S_ATTR_SOME_INSTRUCTIONS 0x00000400
	#define S_ATTR_EXT_RELOC 0x00000200
	#define S_ATTR_LOC_RELOC 0x00000100
	#define INDIRECT_SYMBOL_LOCAL 0x80000000
	#define INDIRECT_SYMBOL_ABS 0x40000000

	/* Relocation info type */
	#define GENERIC_RELOC_VANILLA 0
	#define GENERIC_RELOC_PAIR 1
	#define GENERIC_RELOC_SECTDIFF 2
	#define GENERIC_RELOC_PB_LA_PTR 3
	#define GENERIC_RELOC_LOCAL_SECTDIFF 4
	#define GENERIC_RELOC_TLV 5

	#define X86_64_RELOC_UNSIGNED 0
	#define X86_64_RELOC_SIGNED 1
	#define X86_64_RELOC_BRANCH 2
	#define X86_64_RELOC_GOT_LOAD 3
	#define X86_64_RELOC_GOT 4
	#define X86_64_RELOC_SUBTRACTOR 5
	#define X86_64_RELOC_SIGNED_1 6
	#define X86_64_RELOC_SIGNED_2 7
	#define X86_64_RELOC_SIGNED_4 8
	#define X86_64_RELOC_TLV 9

	/* Relocation info */
	#define R_ABS 0
	#define R_SCATTERED 0x80000000

	/* VM permission constants */
	#define VM_PROT_NONE 0x00
	#define VM_PROT_READ 0x01
	#define VM_PROT_WRITE 0x02
	#define VM_PROT_EXECUTE 0x04

	typedef struct {
	uint32_t magic;
	uint32_t cputype;
	uint32_t cpusubtype;
	uint32_t filetype;
	uint32_t ncmds;
	uint32_t sizeofcmds;
	uint32_t flags;
	} macho_header_t;

	typedef struct {
	uint32_t magic;
	uint32_t cputype;
	uint32_t cpusubtype;
	uint32_t filetype;
	uint32_t ncmds;
	uint32_t sizeofcmds;
	uint32_t flags;
	uint32_t reserved;
	} macho_header_64_t;

	typedef struct {
	uint32_t cmd;
	uint32_t cmdsize;
	} macho_load_command_t;

	typedef struct {
	uint32_t cmd;
	uint32_t cmdsize;
	char segname[16];
	uint32_t vmaddr;
	uint32_t vmsize;
	uint32_t fileoff;
	uint32_t filesize;
	uint32_t maxprot;
	uint32_t initprot;
	uint32_t nsects;
	uint32_t flags;
	} macho_segment_command_t;

	typedef struct {
	uint32_t cmd;
	uint32_t cmdsize;
	char segname[16];
	uint64_t vmaddr;
	uint64_t vmsize;
	uint64_t fileoff;
	uint64_t filesize;
	uint32_t maxprot;
	uint32_t initprot;
	uint32_t nsects;
	uint32_t flags;
	} macho_segment_command_64_t;

	typedef struct {
	char sectname[16];
	char segname[16];
	uint32_t addr;
	uint32_t size;
	uint32_t offset;
	uint32_t align;
	uint32_t reloff;
	uint32_t nreloc;
	uint32_t flags;
	uint32_t reserved1;
	uint32_t reserved2;
	} macho_section_t;

	typedef struct {
	char sectname[16];
	char segname[16];
	uint64_t addr;
	uint64_t size;
	uint32_t offset;
	uint32_t align;
	uint32_t reloff;
	uint32_t nreloc;
	uint32_t flags;
	uint32_t reserved1;
	uint32_t reserved2;
	uint32_t reserved3;
	} macho_section_64_t;

	typedef struct {
	uint32_t cmd;
	uint32_t cmdsize;
	uint32_t symoff;
	uint32_t nsyms;
	uint32_t stroff;
	uint32_t strsize;
	} macho_symtab_command_t;

	typedef struct {
	int32_t r_address;
	union {
	struct {
	uint32_t r_symbolnum: 24,
	r_pcrel: 1,
	r_length: 2,
	r_extern: 1,
	r_type: 4;
	} s;
	uint32_t r_raw;
	} u;
	} macho_relocation_info_t;

	typedef struct nlist_base {
	uint32_t n_strx;
	uint8_t n_type;
	uint8_t n_sect;
	uint16_t n_desc;
	} macho_nlist_base_t;

	typedef struct nlist {
	uint32_t n_strx;
	uint8_t n_type;
	uint8_t n_sect;
	int16_t n_desc;
	uint32_t n_value;
	} macho_nlist_t;

	typedef struct {
	uint32_t n_strx;
	uint8_t n_type;
	uint8_t n_sect;
	uint16_t n_desc;
	uint64_t n_value;
	} macho_nlist_64_t;

	#endif /* OUTPUT_MACHO_H */