diff options
Diffstat (limited to 'binutils/objdump.c')
| -rw-r--r-- | binutils/objdump.c | 101 |
1 files changed, 81 insertions, 20 deletions
diff --git a/binutils/objdump.c b/binutils/objdump.c index 0334d70..b53d4eb 100644 --- a/binutils/objdump.c +++ b/binutils/objdump.c @@ -1,6 +1,6 @@ /* objdump.c -- dump information about an object file. Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 + 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. This file is part of GNU Binutils. @@ -117,13 +117,16 @@ static const char *prefix; /* --prefix */ static int prefix_strip; /* --prefix-strip */ static size_t prefix_length; -/* Pointer to an array of section names provided by - one or more "-j secname" command line options. */ -static char **only; -/* The total number of slots in the only[] array. */ -static size_t only_size = 0; -/* The number of occupied slots in the only[] array. */ -static size_t only_used = 0; +/* A structure to record the sections mentioned in -j switches. */ +struct only +{ + const char * name; /* The name of the section. */ + bfd_boolean seen; /* A flag to indicate that the section has been found in one or more input files. */ + struct only * next; /* Pointer to the next structure in the list. */ +}; +/* Pointer to an array of 'only' structures. + This pointer is NULL if the -j switch has not been used. */ +static struct only * only_list = NULL; /* Variables for handling include file path table. */ static const char **include_paths; @@ -326,17 +329,78 @@ nonfatal (const char *msg) static bfd_boolean process_section_p (asection * section) { - size_t i; + struct only * only; - if (only == NULL) + if (only_list == NULL) return TRUE; - for (i = 0; i < only_used; i++) - if (strcmp (only [i], section->name) == 0) - return TRUE; + for (only = only_list; only; only = only->next) + if (strcmp (only->name, section->name) == 0) + { + only->seen = TRUE; + return TRUE; + } return FALSE; } + +/* Add an entry to the 'only' list. */ + +static void +add_only (char * name) +{ + struct only * only; + + /* First check to make sure that we do not + already have an entry for this name. */ + for (only = only_list; only; only = only->next) + if (strcmp (only->name, name) == 0) + return; + + only = xmalloc (sizeof * only); + only->name = name; + only->seen = FALSE; + only->next = only_list; + only_list = only; +} + +/* Release the memory used by the 'only' list. + PR 11225: Issue a warning message for unseen sections. + Only do this if none of the sections were seen. This is mainly to support + tools like the GAS testsuite where an object file is dumped with a list of + generic section names known to be present in a range of different file + formats. */ + +static void +free_only_list (void) +{ + bfd_boolean at_least_one_seen = FALSE; + struct only * only; + struct only * next; + + if (only_list == NULL) + return; + + for (only = only_list; only; only = only->next) + if (only->seen) + { + at_least_one_seen = TRUE; + break; + } + + for (only = only_list; only; only = next) + { + if (! at_least_one_seen) + { + non_fatal (_("Section '%s' mentioned in a -j option, but not found in any input file"), + only->name); + exit_status = 1; + } + next = only->next; + free (only); + } +} + static void dump_section_header (bfd *abfd, asection *section, @@ -1782,7 +1846,7 @@ disassemble_section (bfd *abfd, asection *section, void *inf) /* Sections that do not contain machine code are not normally disassembled. */ if (! disassemble_all - && only == NULL + && only_list == NULL && ((section->flags & (SEC_CODE | SEC_HAS_CONTENTS)) != (SEC_CODE | SEC_HAS_CONTENTS))) return; @@ -3193,12 +3257,7 @@ main (int argc, char **argv) disassembler_options = optarg; break; case 'j': - if (only_used == only_size) - { - only_size += 8; - only = (char **) xrealloc (only, only_size * sizeof (char *)); - } - only [only_used++] = optarg; + add_only (optarg); break; case 'F': display_file_offsets = TRUE; @@ -3409,6 +3468,8 @@ main (int argc, char **argv) display_file (argv[optind++], target); } + free_only_list (); + END_PROGRESS (program_name); return exit_status; |