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* Makefile.am (BFD32_LIBS): Add compress.lo. (BFD32_LIBS_CFILES): Add compress.c. (BFD_H_FILES): Likewise. * Makefile.in: Regenerate. * bfd-in2.h: Regenerate. * config.in: Add HAVE_ZLIB_H * configure.in: Add test for libz and zlib.h * configure: Regenerate. * dwarf2.c (read_section): New function. (read_indirect_string): Call new function read_section. (read_abbrevs): Likewise. (decode_line_info): Likewise. (read_debug_ranges): Likewise. (find_line): Call new function read_section when just one .zdebug_info section is found, otherwise read and compress multiple sections. (_bfd_dwarf2_cleanup_debug_info): Free sec_info_ptr. * elf.c (_bfd_elf_make_section_from_shdr): Add zdebug prefix. (special_sections_z): New struct. (special_sections): Refer to special_sections_z. * elfxx-mips.c (_bfd_mips_elf_section_from_shdr): Recognize sections named .zdebug_*. (_bfd_mips_elf_fake_sections): Likewise. * compress.c: New file. (bfd_uncompress_section_contents): New function. bfd/doc/ * Makefile.am (BFD_H_DEP): Add ../compress.c. * Makefile.in: Regenerate. binutils/ * config.in: Add HAVE_ZLIB_H * configure.in: Add test for libz and zlib.h * configure: Regenerate. * dwarf.c (debug_displays): Add .zdebug_* strings. * dwarf.h (struct dwarf_section): Add fields uncompressed_namd and compressed_name. * objdump.c (load_debug_section): Call bfd_uncompress_section_contents when loading a compressed section. (dump_dwarf_section): Recognize compressed section name. (mach_o_dwarf_sections): Rename as mach_o_uncompressed_dwarf_sections. (mach_o_compressed_dwarf_sections): New variable. (generic_dwarf_section): Rename as generic_uncompressed_dwarf_sections. (generic_compressed_dwarf_sections): New variable. (check_mach_o_dwarf): Save and restore mach_o_compressed_dwarf_sections. * readelf.c: Add #include for config.h and zlib.h (process_section_headers): Recognize compressed section name. (uncompress_section_contents): New function. (load_debug_section): Call uncompress_section_contents when loading a compressed section. (display_debug_section): Recognize compressed section name. binutils/testsuite: * binutils-all/objdump.exp: Add test for objdump -s on a file with a compressed debug section. Add test for objdump -W on a file that contains a compressed debug section. * binutils-all/readelf.exp: Call readelf_compressed_wa_test. (readelf_compressed_wa_test): New function. * binutils-all/dw2-compressed.S: New file. * binutils-all/objdump.W: New file. * binutils-all/objdump.s: New file. * binutils-all/readelf.wa: New file.
129 lines
3.6 KiB
C
129 lines
3.6 KiB
C
/* dwarf.h - DWARF support header file
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Copyright 2005, 2007, 2008
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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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#if __STDC_VERSION__ >= 199901L || (defined(__GNUC__) && __GNUC__ >= 2)
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/* We can't use any bfd types here since readelf may define BFD64 and
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objdump may not. */
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typedef unsigned long long dwarf_vma;
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typedef unsigned long long dwarf_size_type;
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#else
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typedef unsigned long dwarf_vma;
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typedef unsigned long dwarf_size_type;
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#endif
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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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};
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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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unsigned int relocate : 1;
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unsigned int eh_frame : 1;
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};
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enum dwarf_section_display_enum {
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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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eh_frame,
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macinfo,
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str,
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loc,
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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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max
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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 long cu_offset;
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unsigned long base_address;
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/* This is an array of offsets to the location list table. */
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unsigned long *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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unsigned long *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 dwarf_vma (*byte_get) (unsigned char *, int);
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extern dwarf_vma byte_get_little_endian (unsigned char *, int);
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extern dwarf_vma byte_get_big_endian (unsigned char *, int);
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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_lines_decoded;
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extern int do_debug_pubnames;
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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 void init_dwarf_regnames (unsigned int);
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extern int load_debug_section (enum dwarf_section_display_enum,
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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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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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void error (const char *, ...) ATTRIBUTE_PRINTF_1;
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void warn (const char *, ...) ATTRIBUTE_PRINTF_1;
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