255 lines
6.6 KiB
C
255 lines
6.6 KiB
C
/* dwarf.h - DWARF support header file
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Copyright (C) 2005-2014 Free Software Foundation, Inc.
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This file is part of GNU Binutils.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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typedef unsigned HOST_WIDEST_INT dwarf_vma;
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typedef HOST_WIDEST_INT dwarf_signed_vma;
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typedef unsigned HOST_WIDEST_INT dwarf_size_type;
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/* Structure found in the .debug_line section. */
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typedef struct
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{
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unsigned char li_length [4];
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unsigned char li_version [2];
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unsigned char li_prologue_length [4];
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unsigned char li_min_insn_length [1];
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unsigned char li_default_is_stmt [1];
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unsigned char li_line_base [1];
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unsigned char li_line_range [1];
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unsigned char li_opcode_base [1];
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}
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DWARF2_External_LineInfo;
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typedef struct
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{
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dwarf_vma li_length;
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unsigned short li_version;
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unsigned int li_prologue_length;
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unsigned char li_min_insn_length;
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unsigned char li_max_ops_per_insn;
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unsigned char li_default_is_stmt;
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int li_line_base;
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unsigned char li_line_range;
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unsigned char li_opcode_base;
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}
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DWARF2_Internal_LineInfo;
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/* Structure found in .debug_pubnames section. */
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typedef struct
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{
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unsigned char pn_length [4];
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unsigned char pn_version [2];
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unsigned char pn_offset [4];
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unsigned char pn_size [4];
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}
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DWARF2_External_PubNames;
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typedef struct
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{
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dwarf_vma pn_length;
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unsigned short pn_version;
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dwarf_vma pn_offset;
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dwarf_vma pn_size;
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}
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DWARF2_Internal_PubNames;
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/* Structure found in .debug_info section. */
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typedef struct
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{
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unsigned char cu_length [4];
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unsigned char cu_version [2];
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unsigned char cu_abbrev_offset [4];
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unsigned char cu_pointer_size [1];
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}
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DWARF2_External_CompUnit;
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typedef struct
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{
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dwarf_vma cu_length;
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unsigned short cu_version;
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dwarf_vma cu_abbrev_offset;
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unsigned char cu_pointer_size;
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}
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DWARF2_Internal_CompUnit;
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typedef struct
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{
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unsigned char ar_length [4];
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unsigned char ar_version [2];
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unsigned char ar_info_offset [4];
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unsigned char ar_pointer_size [1];
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unsigned char ar_segment_size [1];
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}
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DWARF2_External_ARange;
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typedef struct
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{
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dwarf_vma ar_length;
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unsigned short ar_version;
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dwarf_vma ar_info_offset;
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unsigned char ar_pointer_size;
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unsigned char ar_segment_size;
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}
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DWARF2_Internal_ARange;
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/* N.B. The order here must match the order in debug_displays. */
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enum dwarf_section_display_enum
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{
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abbrev = 0,
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aranges,
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frame,
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info,
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line,
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pubnames,
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gnu_pubnames,
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eh_frame,
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macinfo,
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macro,
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str,
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loc,
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pubtypes,
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gnu_pubtypes,
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ranges,
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static_func,
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static_vars,
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types,
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weaknames,
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gdb_index,
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trace_info,
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trace_abbrev,
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trace_aranges,
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info_dwo,
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abbrev_dwo,
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types_dwo,
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line_dwo,
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loc_dwo,
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macro_dwo,
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macinfo_dwo,
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str_dwo,
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str_index,
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str_index_dwo,
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debug_addr,
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dwp_cu_index,
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dwp_tu_index,
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max
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};
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struct dwarf_section
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{
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/* A debug section has a different name when it's stored compressed
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or not. COMPRESSED_NAME and UNCOMPRESSED_NAME are the two
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possibilities. NAME is set to whichever one is used for this
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input file, as determined by load_debug_section(). */
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const char *uncompressed_name;
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const char *compressed_name;
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const char *name;
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unsigned char *start;
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dwarf_vma address;
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dwarf_size_type size;
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enum dwarf_section_display_enum abbrev_sec;
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};
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/* A structure containing the name of a debug section
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and a pointer to a function that can decode it. */
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struct dwarf_section_display
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{
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struct dwarf_section section;
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int (*display) (struct dwarf_section *, void *);
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int *enabled;
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unsigned int relocate : 1;
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};
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extern struct dwarf_section_display debug_displays [];
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/* This structure records the information that
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we extract from the.debug_info section. */
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typedef struct
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{
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unsigned int pointer_size;
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unsigned int offset_size;
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int dwarf_version;
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dwarf_vma cu_offset;
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dwarf_vma base_address;
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/* This field is filled in when reading the attribute DW_AT_GNU_addr_base and
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is used with the form DW_AT_GNU_FORM_addr_index. */
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dwarf_vma addr_base;
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/* This field is filled in when reading the attribute DW_AT_GNU_ranges_base and
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is used when calculating ranges. */
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dwarf_vma ranges_base;
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/* This is an array of offsets to the location list table. */
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dwarf_vma * loc_offsets;
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int * have_frame_base;
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unsigned int num_loc_offsets;
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unsigned int max_loc_offsets;
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/* List of .debug_ranges offsets seen in this .debug_info. */
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dwarf_vma * range_lists;
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unsigned int num_range_lists;
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unsigned int max_range_lists;
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}
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debug_info;
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extern int eh_addr_size;
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extern int do_debug_info;
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extern int do_debug_abbrevs;
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extern int do_debug_lines;
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extern int do_debug_pubnames;
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extern int do_debug_pubtypes;
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extern int do_debug_aranges;
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extern int do_debug_ranges;
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extern int do_debug_frames;
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extern int do_debug_frames_interp;
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extern int do_debug_macinfo;
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extern int do_debug_str;
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extern int do_debug_loc;
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extern int do_gdb_index;
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extern int do_trace_info;
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extern int do_trace_abbrevs;
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extern int do_trace_aranges;
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extern int do_debug_addr;
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extern int do_debug_cu_index;
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extern int do_wide;
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extern int dwarf_cutoff_level;
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extern unsigned long dwarf_start_die;
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extern int dwarf_check;
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extern void init_dwarf_regnames (unsigned int);
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extern void init_dwarf_regnames_i386 (void);
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extern void init_dwarf_regnames_x86_64 (void);
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extern int load_debug_section (enum dwarf_section_display_enum, void *);
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extern void free_debug_section (enum dwarf_section_display_enum);
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extern void free_debug_memory (void);
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extern void dwarf_select_sections_by_names (const char *);
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extern void dwarf_select_sections_by_letters (const char *);
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extern void dwarf_select_sections_all (void);
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unsigned int * find_cu_tu_set (void *, unsigned int);
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void * cmalloc (size_t, size_t);
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void * xcmalloc (size_t, size_t);
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void * xcrealloc (void *, size_t, size_t);
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extern dwarf_vma read_leb128 (unsigned char *, unsigned int *, bfd_boolean, const unsigned char * const);
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