#include "config.h"
#include <sys/types.h>
#include <dirent.h>
#include <stdlib.h>
#include <string.h>
#include "backtrace.h"
#include "internal.h"

Include dependency graph for macho.c:

Go to the source code of this file.

Data Structures
struct	macho_fat_arch

struct	macho_fat_arch_64

struct	macho_header_32

struct	macho_header_64

struct	macho_header_fat

struct	macho_load_command

struct	macho_nlist

struct	macho_nlist_64

struct	macho_section

struct	macho_section_64

struct	macho_segment_64_command

struct	macho_segment_command

struct	macho_symbol

struct	macho_syminfo_data

struct	macho_symtab_command

struct	macho_uuid_command

Macros
#define	MACH_O_CPU_ARCH_ABI64 0x01000000

#define	MACH_O_CPU_TYPE_ARM 12

#define	MACH_O_CPU_TYPE_ARM64 (MACH_O_CPU_TYPE_ARM \| MACH_O_CPU_ARCH_ABI64)

#define	MACH_O_CPU_TYPE_PPC 18

#define	MACH_O_CPU_TYPE_PPC64 (MACH_O_CPU_TYPE_PPC \| MACH_O_CPU_ARCH_ABI64)

#define	MACH_O_CPU_TYPE_X86 7

#define	MACH_O_CPU_TYPE_X86_64 (MACH_O_CPU_TYPE_X86 \| MACH_O_CPU_ARCH_ABI64)

#define	MACH_O_LC_SEGMENT 0x01

#define	MACH_O_LC_SEGMENT_64 0x19

#define	MACH_O_LC_SYMTAB 0x02

#define	MACH_O_LC_UUID 0x1b

#define	MACH_O_MH_CIGAM_FAT 0xbebafeca

#define	MACH_O_MH_CIGAM_FAT_64 0xbfbafeca

#define	MACH_O_MH_DSYM 0x0a

#define	MACH_O_MH_DYLIB 0x06

#define	MACH_O_MH_EXECUTE 0x02

#define	MACH_O_MH_MAGIC_32 0xfeedface

#define	MACH_O_MH_MAGIC_64 0xfeedfacf

#define	MACH_O_MH_MAGIC_FAT 0xcafebabe

#define	MACH_O_MH_MAGIC_FAT_64 0xcafebabf

#define	MACH_O_N_ABS 0x02 /* Absolute symbol */

#define	MACH_O_N_SECT 0x0e /* Defined in section from n_sect field */

#define	MACH_O_N_STAB 0xe0 /* Stabs debugging symbol */

#define	MACH_O_N_TYPE 0x0e /* Mask for type bits */

#define	MACH_O_N_UNDF 0x00 /* Undefined symbol */

#define	MACH_O_NAMELEN (16)

#define	MACH_O_UUID_LEN (16)

Functions
int	backtrace_initialize (struct backtrace_state state, const char filename, int descriptor, backtrace_error_callback error_callback, void data, fileline fileline_fn)

static int	macho_add (struct backtrace_state , const char , int, off_t, const unsigned char , struct libbacktrace_base_address, int, backtrace_error_callback, void , fileline , int )

static int	macho_add_dsym (struct backtrace_state state, const char filename, struct libbacktrace_base_address base_address, const unsigned char uuid, backtrace_error_callback error_callback, void data, fileline *fileline_fn)

static int	macho_add_dwarf_section (struct backtrace_state state, int descriptor, const char sectname, uint32_t offset, uint64_t size, backtrace_error_callback error_callback, void data, struct dwarf_sections dwarf_sections)

static int	macho_add_dwarf_segment (struct backtrace_state state, int descriptor, off_t offset, unsigned int cmd, const char psecs, size_t sizesecs, unsigned int nsects, backtrace_error_callback error_callback, void data, struct dwarf_sections dwarf_sections)

static int	macho_add_fat (struct backtrace_state state, const char filename, int descriptor, int swapped, off_t offset, const unsigned char match_uuid, struct libbacktrace_base_address base_address, int skip_symtab, uint32_t nfat_arch, int is_64, backtrace_error_callback error_callback, void data, fileline fileline_fn, int found_sym)

static int	macho_add_symtab (struct backtrace_state state, int descriptor, struct libbacktrace_base_address base_address, int is_64, off_t symoff, unsigned int nsyms, off_t stroff, unsigned int strsize, backtrace_error_callback error_callback, void data)

static int	macho_defined_symbol (uint8_t type)

static int	macho_nodebug (struct backtrace_state state ATTRIBUTE_UNUSED, uintptr_t pc ATTRIBUTE_UNUSED, backtrace_full_callback callback ATTRIBUTE_UNUSED, backtrace_error_callback error_callback, void data)

static void	macho_nosyms (struct backtrace_state state ATTRIBUTE_UNUSED, uintptr_t addr ATTRIBUTE_UNUSED, backtrace_syminfo_callback callback ATTRIBUTE_UNUSED, backtrace_error_callback error_callback, void data)

static int	macho_symbol_compare (const void v1, const void v2)

static int	macho_symbol_search (const void vkey, const void ventry)

static void	macho_syminfo (struct backtrace_state state, uintptr_t addr, backtrace_syminfo_callback callback, backtrace_error_callback error_callback ATTRIBUTE_UNUSED, void data)

Variables
static const char *const	dwarf_section_names [DEBUG_MAX]

Data Structure Documentation

◆ macho_fat_arch

struct macho_fat_arch

Definition at line 101 of file macho.c.

Data Fields
uint32_t	align
uint32_t	cpusubtype
uint32_t	cputype
uint32_t	offset
uint32_t	size

◆ macho_fat_arch_64

struct macho_fat_arch_64

Definition at line 114 of file macho.c.

Data Fields
uint32_t	align
uint32_t	cpusubtype
uint32_t	cputype
uint64_t	offset
uint32_t	reserved
uint64_t	size

◆ macho_header_32

struct macho_header_32

Definition at line 49 of file macho.c.

Data Fields
uint32_t	cpusubtype
uint32_t	cputype
uint32_t	filetype
uint32_t	flags
uint32_t	magic
uint32_t	ncmds
uint32_t	sizeofcmds

◆ macho_header_64

struct macho_header_64

Definition at line 62 of file macho.c.

Data Fields
uint32_t	cpusubtype
uint32_t	cputype
uint32_t	filetype
uint32_t	flags
uint32_t	magic
uint32_t	ncmds
uint32_t	reserved
uint32_t	sizeofcmds

◆ macho_header_fat

struct macho_header_fat

Definition at line 76 of file macho.c.

Data Fields
uint32_t	magic
uint32_t	nfat_arch

◆ macho_load_command

struct macho_load_command

Definition at line 139 of file macho.c.

Data Fields
uint32_t	cmd
uint32_t	cmdsize

◆ macho_nlist

struct macho_nlist

Definition at line 252 of file macho.c.

Data Fields
uint16_t	n_desc
uint8_t	n_sect
uint32_t	n_strx
uint8_t	n_type
uint32_t	n_value

◆ macho_nlist_64

struct macho_nlist_64

Definition at line 263 of file macho.c.

Data Fields
uint16_t	n_desc
uint8_t	n_sect
uint32_t	n_strx
uint8_t	n_type
uint64_t	n_value

◆ macho_section

struct macho_section

Definition at line 217 of file macho.c.

Data Fields
uint32_t	addr
uint32_t	align
uint32_t	flags
uint32_t	nreloc
uint32_t	offset
uint32_t	reloff
uint32_t	reserved1
uint32_t	reserved2
char	sectname[MACH_O_NAMELEN]
char	segment[MACH_O_NAMELEN]
uint32_t	size

◆ macho_section_64

struct macho_section_64

Definition at line 234 of file macho.c.

Data Fields
uint64_t	addr
uint32_t	align
uint32_t	flags
uint32_t	nreloc
uint32_t	offset
uint32_t	reloff
uint32_t	reserved1
uint32_t	reserved2
uint32_t	reserved3
char	sectname[MACH_O_NAMELEN]
char	segment[MACH_O_NAMELEN]
uint64_t	size

◆ macho_segment_64_command

struct macho_segment_64_command

Definition at line 175 of file macho.c.

Data Fields
uint32_t	cmd
uint32_t	cmdsize
uint64_t	fileoff
uint64_t	filesize
uint32_t	flags
uint32_t	initprot
uint32_t	maxprot
uint32_t	nsects
char	segname[MACH_O_NAMELEN]
uint64_t	vmaddr
uint64_t	vmsize

◆ macho_segment_command

struct macho_segment_command

Definition at line 158 of file macho.c.

Data Fields
uint32_t	cmd
uint32_t	cmdsize
uint32_t	fileoff
uint32_t	filesize
uint32_t	flags
uint32_t	initprot
uint32_t	maxprot
uint32_t	nsects
char	segname[MACH_O_NAMELEN]
uint32_t	vmaddr
uint32_t	vmsize

◆ macho_symbol

struct macho_symbol

Definition at line 285 of file macho.c.

Data Fields
uintptr_t	address
const char *	name

◆ macho_syminfo_data

struct macho_syminfo_data

Definition at line 293 of file macho.c.

Collaboration diagram for macho_syminfo_data:

Data Fields
size_t	count
struct macho_syminfo_data *	next
struct macho_symbol *	symbols

◆ macho_symtab_command

struct macho_symtab_command

Definition at line 192 of file macho.c.

Data Fields
uint32_t	cmd
uint32_t	cmdsize
uint32_t	nsyms
uint32_t	stroff
uint32_t	strsize
uint32_t	symoff

◆ macho_uuid_command

struct macho_uuid_command

Definition at line 208 of file macho.c.

Data Fields
uint32_t	cmd
uint32_t	cmdsize
unsigned char	uuid[MACH_O_UUID_LEN]

Macro Definition Documentation

◆ MACH_O_CPU_ARCH_ABI64

#define MACH_O_CPU_ARCH_ABI64 0x01000000

Definition at line 127 of file macho.c.

◆ MACH_O_CPU_TYPE_ARM

#define MACH_O_CPU_TYPE_ARM 12

Definition at line 130 of file macho.c.

◆ MACH_O_CPU_TYPE_ARM64

#define MACH_O_CPU_TYPE_ARM64 (MACH_O_CPU_TYPE_ARM | MACH_O_CPU_ARCH_ABI64)

Definition at line 134 of file macho.c.

◆ MACH_O_CPU_TYPE_PPC

#define MACH_O_CPU_TYPE_PPC 18

Definition at line 131 of file macho.c.

◆ MACH_O_CPU_TYPE_PPC64

#define MACH_O_CPU_TYPE_PPC64 (MACH_O_CPU_TYPE_PPC | MACH_O_CPU_ARCH_ABI64)

Definition at line 135 of file macho.c.

◆ MACH_O_CPU_TYPE_X86

#define MACH_O_CPU_TYPE_X86 7

Definition at line 129 of file macho.c.

◆ MACH_O_CPU_TYPE_X86_64

#define MACH_O_CPU_TYPE_X86_64 (MACH_O_CPU_TYPE_X86 | MACH_O_CPU_ARCH_ABI64)

Definition at line 133 of file macho.c.

◆ MACH_O_LC_SEGMENT

#define MACH_O_LC_SEGMENT 0x01

Definition at line 147 of file macho.c.

◆ MACH_O_LC_SEGMENT_64

#define MACH_O_LC_SEGMENT_64 0x19

Definition at line 149 of file macho.c.

◆ MACH_O_LC_SYMTAB

#define MACH_O_LC_SYMTAB 0x02

Definition at line 148 of file macho.c.

◆ MACH_O_LC_UUID

#define MACH_O_LC_UUID 0x1b

Definition at line 150 of file macho.c.

◆ MACH_O_MH_CIGAM_FAT

#define MACH_O_MH_CIGAM_FAT 0xbebafeca

Definition at line 87 of file macho.c.

◆ MACH_O_MH_CIGAM_FAT_64

#define MACH_O_MH_CIGAM_FAT_64 0xbfbafeca

Definition at line 89 of file macho.c.

◆ MACH_O_MH_DSYM

#define MACH_O_MH_DSYM 0x0a

Definition at line 95 of file macho.c.

◆ MACH_O_MH_DYLIB

#define MACH_O_MH_DYLIB 0x06

Definition at line 94 of file macho.c.

◆ MACH_O_MH_EXECUTE

#define MACH_O_MH_EXECUTE 0x02

Definition at line 93 of file macho.c.

◆ MACH_O_MH_MAGIC_32

#define MACH_O_MH_MAGIC_32 0xfeedface

Definition at line 84 of file macho.c.

◆ MACH_O_MH_MAGIC_64

#define MACH_O_MH_MAGIC_64 0xfeedfacf

Definition at line 85 of file macho.c.

◆ MACH_O_MH_MAGIC_FAT

#define MACH_O_MH_MAGIC_FAT 0xcafebabe

Definition at line 86 of file macho.c.

◆ MACH_O_MH_MAGIC_FAT_64

#define MACH_O_MH_MAGIC_FAT_64 0xcafebabf

Definition at line 88 of file macho.c.

◆ MACH_O_N_ABS

#define MACH_O_N_ABS 0x02 /* Absolute symbol */

Definition at line 279 of file macho.c.

◆ MACH_O_N_SECT

#define MACH_O_N_SECT 0x0e /* Defined in section from n_sect field */

Definition at line 280 of file macho.c.

◆ MACH_O_N_STAB

#define MACH_O_N_STAB 0xe0 /* Stabs debugging symbol */

Definition at line 274 of file macho.c.

◆ MACH_O_N_TYPE

#define MACH_O_N_TYPE 0x0e /* Mask for type bits */

Definition at line 275 of file macho.c.

◆ MACH_O_N_UNDF

#define MACH_O_N_UNDF 0x00 /* Undefined symbol */

Definition at line 278 of file macho.c.

◆ MACH_O_NAMELEN

#define MACH_O_NAMELEN (16)

Definition at line 154 of file macho.c.

◆ MACH_O_UUID_LEN

#define MACH_O_UUID_LEN (16)

Definition at line 204 of file macho.c.

Function Documentation

◆ backtrace_initialize()

int backtrace_initialize	(	struct backtrace_state *	state,
		const char *	filename,
		int	descriptor,
		backtrace_error_callback	error_callback,
		void *	data,
		fileline *	fileline_fn
	)

Definition at line 1320 of file macho.c.

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◆ macho_add()

static int macho_add	(	struct backtrace_state *	state,
		const char *	filename,
		int	descriptor,
		off_t	offset,
		const unsigned char *	match_uuid,
		struct libbacktrace_base_address	base_address,
		int	skip_symtab,
		backtrace_error_callback	error_callback,
		void *	data,
		fileline *	fileline_fn,
		int *	found_sym
	)

static

Definition at line 982 of file macho.c.

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