From 02a68547b9999e007359187f1ad5e35b43faa9a9 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Thu, 13 Jan 1994 22:34:51 +0000 Subject: [PATCH] * objdump.c (dump_relocs): Don't crash if section name is NULL. --- binutils/ChangeLog | 17 +++++++++++ binutils/objdump.c | 75 ++++++++++++++++++++++++++-------------------- 2 files changed, 59 insertions(+), 33 deletions(-) diff --git a/binutils/ChangeLog b/binutils/ChangeLog index ab3a047cee..b130371097 100644 --- a/binutils/ChangeLog +++ b/binutils/ChangeLog @@ -1,3 +1,20 @@ +Thu Jan 13 17:32:44 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) + + * objdump.c (dump_relocs): Don't crash if section name is NULL. + +Tue Jan 11 19:46:33 1994 Ian Lance Taylor (ian@tweedledumb.cygnus.com) + + * filemode.c (filemodestring): Commented out; not used. + (mode_string): Use POSIX definitions. + (ftypelet): Likewise. + (rwx): Removed; no longer used. + * bucomm.c: Include bucomm.h. + (bfd_nonfatal, bfd_fatal): Argument is const. + (fatal): Make __STDC__ version. + * bucomm.h (mode_string): Declare. + * Makefile.in (bucomm.o): Depend upon bucomm.h + +Sun Jan 9 12:03:20 1994 Ken Raeburn (raeburn@rtl.cygnus.com) * bucomm.c (xmalloc, xrealloc): Deleted. * bucomm.h (xmalloc, xrealloc): Fix prototypes, to correspond to diff --git a/binutils/objdump.c b/binutils/objdump.c index c5db68659a..b2eaae3dc3 100644 --- a/binutils/objdump.c +++ b/binutils/objdump.c @@ -77,6 +77,9 @@ dump_relocs PARAMS ((bfd *abfd)); static void dump_symbols PARAMS ((bfd *abfd)); + +static void +display_bfd PARAMS ((bfd *abfd)); void usage (stream, status) @@ -84,21 +87,35 @@ usage (stream, status) int status; { fprintf (stream, "\ -Usage: %s [-ahifdrtxsl] [-m machine] [-j section_name] [-b bfdname]\n\ - [--syms] [--reloc] [--header] [--stabs] [--version] [--help] objfile...\n\ - at least one option besides -l must be given\n", +Usage: %s [-ahifdrtxsl] [-b bfdname] [-m machine] [-j section-name]\n\ + [--archive-headers] [--target=bfdname] [--disassemble] [--file-headers]\n\ + [--section-headers] [--headers] [--info] [--section=section-name]\n\ + [--line-numbers] [--architecture=machine] [--reloc] [--full-contents]\n\ + [--stabs] [--syms] [--all-headers] [--version] [--help] objfile...\n\ +at least one option besides -l (--line-numbers) must be given\n", program_name); exit (status); } static struct option long_options[]= { - {"syms", no_argument, &dump_symtab, 1}, - {"reloc", no_argument, &dump_reloc_info, 1}, - {"header", no_argument, &dump_section_headers, 1}, - {"version", no_argument, &show_version, 1}, - {"help", no_argument, 0, 'H'}, + {"all-headers", no_argument, NULL, 'x'}, + {"architecture", required_argument, NULL, 'm'}, + {"archive-headers", no_argument, NULL, 'a'}, + {"disassemble", no_argument, NULL, 'd'}, + {"file-headers", no_argument, NULL, 'f'}, + {"full-contents", no_argument, NULL, 's'}, + {"headers", no_argument, NULL, 'h'}, + {"help", no_argument, NULL, 'H'}, + {"info", no_argument, NULL, 'i'}, + {"line-numbers", no_argument, NULL, 'l'}, + {"reloc", no_argument, NULL, 'r'}, + {"section", required_argument, NULL, 'j'}, + {"section-headers", no_argument, NULL, 'h'}, {"stabs", no_argument, &dump_stab_section_info, 1}, + {"syms", no_argument, NULL, 't'}, + {"target", required_argument, NULL, 'b'}, + {"version", no_argument, &show_version, 1}, {0, no_argument, 0, 0} }; @@ -162,12 +179,7 @@ DEFUN (slurp_symtab, (abfd), storage = get_symtab_upper_bound (abfd); if (storage) { - sy = (asymbol **) malloc (storage); - if (sy == NULL) - { - fprintf (stderr, "%s: out of memory.\n", program_name); - exit (1); - } + sy = (asymbol **) xmalloc (storage); } symcount = bfd_canonicalize_symtab (abfd, sy); if (symcount <= 0) @@ -544,13 +556,8 @@ disassemble_data (abfd) if (bfd_get_section_size_before_reloc (section) == 0) continue; - data = (bfd_byte *) malloc ((size_t) bfd_get_section_size_before_reloc (section)); + data = (bfd_byte *) xmalloc ((size_t) bfd_get_section_size_before_reloc (section)); - if (data == (bfd_byte *) NULL) - { - fprintf (stderr, "%s: memory exhausted.\n", program_name); - exit (1); - } datasize = bfd_get_section_size_before_reloc (section); bfd_get_section_contents (abfd, section, data, 0, bfd_get_section_size_before_reloc (section)); @@ -645,7 +652,7 @@ struct stab_print stab_print[] = { #define __define_stab(NAME, CODE, STRING) {CODE, STRING}, #include "aout/stab.def" #undef __define_stab - {0, 0} + {0, ""} }; void dump_stabs_1 (); @@ -675,6 +682,7 @@ dump_stabs (abfd) dump_stabs_1 (abfd, ".stab", ".stabstr"); dump_stabs_1 (abfd, ".stab.excl", ".stab.exclstr"); dump_stabs_1 (abfd, ".stab.index", ".stab.indexstr"); + dump_stabs_1 (abfd, "$GDB_SYMBOLS$", "$GDB_STRINGS$"); } void @@ -786,10 +794,11 @@ dump_stabs_1 (abfd, name1, name2) for (i = -1; stabs < stabs_end; stabs++, i++) { SWAP_SYMBOL (stabs, abfd); - printf ("\n%-6d %-6s %-6d %-6d %08x %-6d", i, + printf ("\n%-6d %-6s %-6d %-6d ", i, stab_name [stabs->n_type], - stabs->n_other, stabs->n_desc, stabs->n_value, - stabs->n_strx); + stabs->n_other, stabs->n_desc); + printf_vma (stabs->n_value); + printf (" %-6lu", stabs->n_strx); /* Symbols with type == 0 (N_UNDF) specify the length of the string table associated with this file. We use that info @@ -814,6 +823,7 @@ dump_stabs_1 (abfd, name1, name2) printf ("\n\n"); } +static void display_bfd (abfd) bfd *abfd; { @@ -941,12 +951,7 @@ dump_data (abfd) if (bfd_section_size (abfd, section) == 0) continue; - data = (bfd_byte *) malloc ((size_t) bfd_section_size (abfd, section)); - if (data == (bfd_byte *) NULL) - { - fprintf (stderr, "%s: memory exhausted.\n", program_name); - exit (1); - } + data = (bfd_byte *) xmalloc ((size_t) bfd_section_size (abfd, section)); datasize = bfd_section_size (abfd, section); @@ -1077,15 +1082,17 @@ dump_relocs (abfd) { arelent *q = *p; CONST char *sym_name; - CONST char *section_name = (*(q->sym_ptr_ptr))->section->name; + CONST char *section_name; if (q->sym_ptr_ptr && *q->sym_ptr_ptr) { sym_name = (*(q->sym_ptr_ptr))->name; + section_name = (*(q->sym_ptr_ptr))->section->name; } else { - sym_name = 0; + sym_name = NULL; + section_name = NULL; } if (sym_name) { @@ -1096,6 +1103,8 @@ dump_relocs (abfd) } else { + if (section_name == (CONST char *) NULL) + section_name = "*unknown*"; printf_vma (q->address); printf (" %-16s [%s]", q->howto->name, @@ -1182,7 +1191,7 @@ DEFUN_VOID (display_info) bfd_printable_arch_mach ((enum bfd_architecture) j, 0)); } columns = 0; - if (colum = getenv ("COLUMNS")) + if ((colum = getenv ("COLUMNS")) != (char *) NULL) columns = atoi (colum); if (!columns) columns = 80;