diff options
Diffstat (limited to 'binutils/readelf.c')
| -rw-r--r-- | binutils/readelf.c | 88 |
1 files changed, 85 insertions, 3 deletions
diff --git a/binutils/readelf.c b/binutils/readelf.c index cfa7c130b2..4ec5ec09e4 100644 --- a/binutils/readelf.c +++ b/binutils/readelf.c @@ -119,6 +119,7 @@ int do_debug_pubnames; int do_debug_aranges; int do_debug_frames; int do_debug_frames_interp; +int do_debug_macinfo; int do_arch; int do_notes; int is_32bit_elf; @@ -210,6 +211,7 @@ static int display_debug_lines PARAMS ((Elf32_Internal_Sh static int display_debug_abbrev PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); static int display_debug_aranges PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); static int display_debug_frames PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); +static int display_debug_macinfo PARAMS ((Elf32_Internal_Shdr *, unsigned char *, FILE *)); static unsigned char * process_abbrev_section PARAMS ((unsigned char *, unsigned char *)); static unsigned long read_leb128 PARAMS ((unsigned char *, int *, int)); static int process_extended_line_op PARAMS ((unsigned char *, int, int)); @@ -2019,7 +2021,7 @@ usage () fprintf (stdout, _(" -D or --use-dynamic Use the dynamic section info when displaying symbols\n")); fprintf (stdout, _(" -x <number> or --hex-dump=<number>\n")); fprintf (stdout, _(" Dump the contents of section <number>\n")); - fprintf (stdout, _(" -w[liaprf] or --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=frames]\n")); + fprintf (stdout, _(" -w[liaprmf] or --debug-dump[=line,=info,=abbrev,=pubnames,=ranges,=macro,=frames]\n")); fprintf (stdout, _(" Display the contents of DWARF2 debug sections\n")); #ifdef SUPPORT_DISASSEMBLY fprintf (stdout, _(" -i <number> or --instruction-dump=<number>\n")); @@ -2189,6 +2191,11 @@ parse_args (argc, argv) do_debug_frames = 1; break; + case 'm': + case 'M': + do_debug_macinfo = 1; + break; + default: warn (_("Unrecognised debug option '%s'\n"), optarg); break; @@ -2935,7 +2942,7 @@ process_section_headers (file) } else if ((do_debugging || do_debug_info || do_debug_abbrevs || do_debug_lines || do_debug_pubnames || do_debug_aranges - || do_debug_frames) + || do_debug_frames || do_debug_macinfo) && strncmp (name, ".debug_", 7) == 0) { name += 7; @@ -2947,6 +2954,7 @@ process_section_headers (file) || (do_debug_pubnames && (strcmp (name, "pubnames") == 0)) || (do_debug_aranges && (strcmp (name, "aranges") == 0)) || (do_debug_frames && (strcmp (name, "frame") == 0)) + || (do_debug_macinfo && (strcmp (name, "macinfo") == 0)) ) request_dump (i, DEBUG_DUMP); } @@ -6265,6 +6273,80 @@ process_abbrev_section (start, end) static int +display_debug_macinfo (section, start, file) + Elf32_Internal_Shdr * section; + unsigned char * start; + FILE * file ATTRIBUTE_UNUSED; +{ + unsigned char * end = start + section->sh_size; + unsigned char * curr = start; + unsigned int bytes_read; + enum dwarf_macinfo_record_type op; + + printf (_("Contents of the %s section:\n\n"), SECTION_NAME (section)); + + while (curr < end) + { + unsigned int lineno; + const char * string; + + op = * curr; + curr ++; + + switch (op) + { + case DW_MACINFO_start_file: + { + unsigned int filenum; + + lineno = read_leb128 (curr, & bytes_read, 0); + curr += bytes_read; + filenum = read_leb128 (curr, & bytes_read, 0); + curr += bytes_read; + + printf (_(" DW_MACINFO_start_file - lineno: %d filenum: %d\n"), lineno, filenum); + } + break; + + case DW_MACINFO_end_file: + printf (_(" DW_MACINFO_end_file\n")); + break; + + case DW_MACINFO_define: + lineno = read_leb128 (curr, & bytes_read, 0); + curr += bytes_read; + string = curr; + curr += strlen (string) + 1; + printf (_(" DW_MACINFO_define - lineno : %d macro : %s\n"), lineno, string); + break; + + case DW_MACINFO_undef: + lineno = read_leb128 (curr, & bytes_read, 0); + curr += bytes_read; + string = curr; + curr += strlen (string) + 1; + printf (_(" DW_MACINFO_undef - lineno : %d macro : %s\n"), lineno, string); + break; + + case DW_MACINFO_vendor_ext: + { + unsigned int constant; + + constant = read_leb128 (curr, & bytes_read, 0); + curr += bytes_read; + string = curr; + curr += strlen (string) + 1; + printf (_(" DW_MACINFO_vendor_ext - constant : %d string : %s\n"), constant, string); + } + break; + } + } + + return 1; +} + + +static int display_debug_abbrev (section, start, file) Elf32_Internal_Shdr * section; unsigned char * start; @@ -7846,7 +7928,7 @@ debug_displays[] = { ".debug_pubnames", display_debug_pubnames, NULL }, { ".debug_frame", display_debug_frames, NULL }, { ".eh_frame", display_debug_frames, NULL }, - { ".debug_macinfo", display_debug_not_supported, NULL }, + { ".debug_macinfo", display_debug_macinfo, NULL }, { ".debug_str", display_debug_not_supported, NULL }, { ".debug_static_func", display_debug_not_supported, NULL }, { ".debug_static_vars", display_debug_not_supported, NULL }, |