mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-12-05 00:04:22 +08:00
015dc7e1f8
* sysdep.h (POISON_BFD_BOOLEAN): Define. * addr2line.c, * ar.c, * arsup.c, * bfdtest2.c, * binemul.c, * binemul.h, * bucomm.c, * bucomm.h, * budbg.h, * coffgrok.c, * debug.c, * debug.h, * dlltool.c, * dwarf.c, * dwarf.h, * elfedit.c, * emul_aix.c, * mclex.c, * nm.c, * objcopy.c, * objdump.c, * od-macho.c, * prdbg.c, * rdcoff.c, * rddbg.c, * readelf.c, * rename.c, * stabs.c, * strings.c, * windint.h, * windmc.c, * windmc.h, * windres.c, * winduni.c, * wrstabs.c: Replace bfd_boolean with bool, FALSE with false, and TRUE with true throughout.
324 lines
8.9 KiB
C
324 lines
8.9 KiB
C
/* dwarf.h - DWARF support header file
|
|
Copyright (C) 2005-2021 Free Software Foundation, Inc.
|
|
|
|
This file is part of GNU Binutils.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
|
|
MA 02110-1301, USA. */
|
|
|
|
#include "dwarf2.h" /* for enum dwarf_unit_type */
|
|
|
|
typedef unsigned HOST_WIDEST_INT dwarf_vma;
|
|
typedef HOST_WIDEST_INT dwarf_signed_vma;
|
|
typedef unsigned HOST_WIDEST_INT dwarf_size_type;
|
|
|
|
/* Structure found in the .debug_line section. */
|
|
typedef struct
|
|
{
|
|
dwarf_vma li_length;
|
|
unsigned short li_version;
|
|
unsigned char li_address_size;
|
|
unsigned char li_segment_size;
|
|
dwarf_vma li_prologue_length;
|
|
unsigned char li_min_insn_length;
|
|
unsigned char li_max_ops_per_insn;
|
|
unsigned char li_default_is_stmt;
|
|
int li_line_base;
|
|
unsigned char li_line_range;
|
|
unsigned char li_opcode_base;
|
|
unsigned int li_offset_size;
|
|
}
|
|
DWARF2_Internal_LineInfo;
|
|
|
|
/* Structure found in .debug_pubnames section. */
|
|
typedef struct
|
|
{
|
|
dwarf_vma pn_length;
|
|
unsigned short pn_version;
|
|
dwarf_vma pn_offset;
|
|
dwarf_vma pn_size;
|
|
}
|
|
DWARF2_Internal_PubNames;
|
|
|
|
/* Structure found in .debug_info section. */
|
|
typedef struct
|
|
{
|
|
dwarf_vma cu_length;
|
|
unsigned short cu_version;
|
|
dwarf_vma cu_abbrev_offset;
|
|
unsigned char cu_pointer_size;
|
|
enum dwarf_unit_type cu_unit_type;
|
|
}
|
|
DWARF2_Internal_CompUnit;
|
|
|
|
/* Structure found in .debug_aranges section. */
|
|
typedef struct
|
|
{
|
|
dwarf_vma ar_length;
|
|
unsigned short ar_version;
|
|
dwarf_vma ar_info_offset;
|
|
unsigned char ar_pointer_size;
|
|
unsigned char ar_segment_size;
|
|
}
|
|
DWARF2_Internal_ARange;
|
|
|
|
/* N.B. The order here must match the order in debug_displays. */
|
|
|
|
enum dwarf_section_display_enum
|
|
{
|
|
abbrev = 0,
|
|
aranges,
|
|
frame,
|
|
info,
|
|
line,
|
|
pubnames,
|
|
gnu_pubnames,
|
|
eh_frame,
|
|
macinfo,
|
|
macro,
|
|
str,
|
|
line_str,
|
|
loc,
|
|
loclists,
|
|
pubtypes,
|
|
gnu_pubtypes,
|
|
ranges,
|
|
rnglists,
|
|
static_func,
|
|
static_vars,
|
|
types,
|
|
weaknames,
|
|
gdb_index,
|
|
debug_names,
|
|
trace_info,
|
|
trace_abbrev,
|
|
trace_aranges,
|
|
info_dwo,
|
|
abbrev_dwo,
|
|
types_dwo,
|
|
line_dwo,
|
|
loc_dwo,
|
|
macro_dwo,
|
|
macinfo_dwo,
|
|
str_dwo,
|
|
str_index,
|
|
str_index_dwo,
|
|
debug_addr,
|
|
dwp_cu_index,
|
|
dwp_tu_index,
|
|
gnu_debuglink,
|
|
gnu_debugaltlink,
|
|
debug_sup,
|
|
separate_debug_str,
|
|
max
|
|
};
|
|
|
|
struct dwarf_section
|
|
{
|
|
/* A debug section has a different name when it's stored compressed
|
|
or not. COMPRESSED_NAME and UNCOMPRESSED_NAME are the two
|
|
possibilities. NAME is set to whichever one is used for this
|
|
input file, as determined by load_debug_section(). */
|
|
const char * uncompressed_name;
|
|
const char * compressed_name;
|
|
const char * name;
|
|
/* If non-NULL then FILENAME is the name of the separate debug info
|
|
file containing the section. */
|
|
const char * filename;
|
|
unsigned char * start;
|
|
dwarf_vma address;
|
|
dwarf_size_type size;
|
|
enum dwarf_section_display_enum abbrev_sec;
|
|
/* Used by clients to help them implement the reloc_at callback. */
|
|
void * reloc_info;
|
|
unsigned long num_relocs;
|
|
};
|
|
|
|
/* A structure containing the name of a debug section
|
|
and a pointer to a function that can decode it. */
|
|
struct dwarf_section_display
|
|
{
|
|
struct dwarf_section section;
|
|
int (*display) (struct dwarf_section *, void *);
|
|
int *enabled;
|
|
bool relocate;
|
|
};
|
|
|
|
extern struct dwarf_section_display debug_displays [];
|
|
|
|
/* This structure records the information that
|
|
we extract from the.debug_info section. */
|
|
typedef struct
|
|
{
|
|
unsigned int pointer_size;
|
|
unsigned int offset_size;
|
|
int dwarf_version;
|
|
dwarf_vma cu_offset;
|
|
dwarf_vma base_address;
|
|
/* This field is filled in when reading the attribute DW_AT_GNU_addr_base and
|
|
is used with the form DW_FORM_GNU_addr_index. */
|
|
dwarf_vma addr_base;
|
|
/* This field is filled in when reading the attribute DW_AT_GNU_ranges_base and
|
|
is used when calculating ranges. */
|
|
dwarf_vma ranges_base;
|
|
/* This is an array of offsets to the location list table. */
|
|
dwarf_vma * loc_offsets;
|
|
/* This is an array of offsets to the location view table. */
|
|
dwarf_vma * loc_views;
|
|
int * have_frame_base;
|
|
unsigned int num_loc_offsets;
|
|
unsigned int max_loc_offsets;
|
|
unsigned int num_loc_views;
|
|
/* List of .debug_ranges offsets seen in this .debug_info. */
|
|
dwarf_vma * range_lists;
|
|
unsigned int num_range_lists;
|
|
unsigned int max_range_lists;
|
|
}
|
|
debug_info;
|
|
|
|
typedef struct separate_info
|
|
{
|
|
void * handle; /* The pointer returned by open_debug_file(). */
|
|
const char * filename;
|
|
struct separate_info * next;
|
|
} separate_info;
|
|
|
|
extern separate_info * first_separate_info;
|
|
|
|
extern unsigned int eh_addr_size;
|
|
|
|
extern int do_debug_info;
|
|
extern int do_debug_abbrevs;
|
|
extern int do_debug_lines;
|
|
extern int do_debug_pubnames;
|
|
extern int do_debug_pubtypes;
|
|
extern int do_debug_aranges;
|
|
extern int do_debug_ranges;
|
|
extern int do_debug_frames;
|
|
extern int do_debug_frames_interp;
|
|
extern int do_debug_macinfo;
|
|
extern int do_debug_str;
|
|
extern int do_debug_str_offsets;
|
|
extern int do_debug_loc;
|
|
extern int do_gdb_index;
|
|
extern int do_trace_info;
|
|
extern int do_trace_abbrevs;
|
|
extern int do_trace_aranges;
|
|
extern int do_debug_addr;
|
|
extern int do_debug_cu_index;
|
|
extern int do_wide;
|
|
extern int do_debug_links;
|
|
extern int do_follow_links;
|
|
extern bool do_checks;
|
|
|
|
extern int dwarf_cutoff_level;
|
|
extern unsigned long dwarf_start_die;
|
|
|
|
extern int dwarf_check;
|
|
|
|
extern void init_dwarf_regnames_by_elf_machine_code (unsigned int);
|
|
extern void init_dwarf_regnames_by_bfd_arch_and_mach (enum bfd_architecture arch,
|
|
unsigned long mach);
|
|
|
|
extern bool load_debug_section (enum dwarf_section_display_enum, void *);
|
|
extern void free_debug_section (enum dwarf_section_display_enum);
|
|
extern bool load_separate_debug_files (void *, const char *);
|
|
extern void close_debug_file (void *);
|
|
extern void *open_debug_file (const char *);
|
|
|
|
extern void free_debug_memory (void);
|
|
|
|
extern void dwarf_select_sections_by_names (const char *);
|
|
extern void dwarf_select_sections_by_letters (const char *);
|
|
extern void dwarf_select_sections_all (void);
|
|
|
|
extern unsigned int * find_cu_tu_set (void *, unsigned int);
|
|
|
|
extern void * cmalloc (size_t, size_t);
|
|
extern void * xcalloc2 (size_t, size_t);
|
|
extern void * xcmalloc (size_t, size_t);
|
|
extern void * xcrealloc (void *, size_t, size_t);
|
|
|
|
/* A callback into the client. Returns TRUE if there is a
|
|
relocation against the given debug section at the given
|
|
offset. */
|
|
extern bool reloc_at (struct dwarf_section *, dwarf_vma);
|
|
|
|
extern dwarf_vma read_leb128 (unsigned char *, const unsigned char *const,
|
|
bool, unsigned int *, int *);
|
|
|
|
#if HAVE_LIBDEBUGINFOD
|
|
extern unsigned char * get_build_id (void *);
|
|
#endif
|
|
|
|
static inline void
|
|
report_leb_status (int status, const char *file, unsigned long lnum)
|
|
{
|
|
if ((status & 1) != 0)
|
|
error (_("%s:%lu: end of data encountered whilst reading LEB\n"), file, lnum);
|
|
else if ((status & 2) != 0)
|
|
error (_("%s:%lu: read LEB value is too large to store in destination variable\n"), file, lnum);
|
|
}
|
|
|
|
#define SKIP_ULEB(start, end) \
|
|
do \
|
|
{ \
|
|
unsigned int _len; \
|
|
read_leb128 (start, end, false, &_len, NULL); \
|
|
start += _len; \
|
|
} \
|
|
while (0)
|
|
|
|
#define SKIP_SLEB(start, end) \
|
|
do \
|
|
{ \
|
|
unsigned int _len; \
|
|
read_leb128 (start, end, true, &_len, NULL); \
|
|
start += _len; \
|
|
} \
|
|
while (0)
|
|
|
|
#define READ_ULEB(var, start, end) \
|
|
do \
|
|
{ \
|
|
dwarf_vma _val; \
|
|
unsigned int _len; \
|
|
int _status; \
|
|
\
|
|
_val = read_leb128 (start, end, false, &_len, &_status); \
|
|
start += _len; \
|
|
(var) = _val; \
|
|
if ((var) != _val) \
|
|
_status |= 2; \
|
|
report_leb_status (_status, __FILE__, __LINE__); \
|
|
} \
|
|
while (0)
|
|
|
|
#define READ_SLEB(var, start, end) \
|
|
do \
|
|
{ \
|
|
dwarf_signed_vma _val; \
|
|
unsigned int _len; \
|
|
int _status; \
|
|
\
|
|
_val = read_leb128 (start, end, true, &_len, &_status); \
|
|
start += _len; \
|
|
(var) = _val; \
|
|
if ((var) != _val) \
|
|
_status |= 2; \
|
|
report_leb_status (_status, __FILE__, __LINE__); \
|
|
} \
|
|
while (0)
|