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authorAlan Modra <amodra@gmail.com>2003-08-04 14:29:34 +0000
committerAlan Modra <amodra@gmail.com>2003-08-04 14:29:34 +0000
commit43ac988152628f2642cde224a7eba4677a2b71fd (patch)
tree400963d56ef84db733841d747296887e92ae2ad5 /binutils/objdump.c
parenta4622f4072f910a3ac1cf4f0ecd6c9bd487a79c7 (diff)
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* objdump.c (include_paths, include_path_count): New vars.
(usage): Describe --include. (long_options): Add "include". (add_include_path): New function. (struct print_file_list): Make filename const. Add modname. (try_print_file_open, update_source_path): New functions. (show_line): Use them. (main): Handle 'I' option. Don't check for NULL xrealloc arg.
Diffstat (limited to 'binutils/objdump.c')
-rw-r--r--binutils/objdump.c170
1 files changed, 129 insertions, 41 deletions
diff --git a/binutils/objdump.c b/binutils/objdump.c
index 998a413..310bef2 100644
--- a/binutils/objdump.c
+++ b/binutils/objdump.c
@@ -77,6 +77,10 @@ static int dump_debugging_tags; /* --debugging-tags */
static bfd_vma adjust_section_vma = 0; /* --adjust-vma */
static int file_start_context = 0; /* --file-start-context */
+/* Variables for handling include file path table. */
+static const char **include_paths;
+static int include_path_count;
+
/* Extra info to pass to the disassembler address printing function. */
struct objdump_disasm_info
{
@@ -165,6 +169,7 @@ usage (FILE *stream, int status)
-EB --endian=big Assume big endian format when disassembling\n\
-EL --endian=little Assume little endian format when disassembling\n\
--file-start-context Include context from start of file (with -S)\n\
+ -I, --include=DIR Add DIR to search list for source files\n\
-l, --line-numbers Include line numbers and filenames in output\n\
-C, --demangle[=STYLE] Decode mangled/processed symbol names\n\
The STYLE, if specified, can be `auto', `gnu',\n\
@@ -228,6 +233,7 @@ static struct option long_options[]=
{"section-headers", no_argument, NULL, 'h'},
{"show-raw-insn", no_argument, &show_raw_insn, 1},
{"source", no_argument, NULL, 'S'},
+ {"include", required_argument, NULL, 'I'},
{"stabs", no_argument, NULL, 'G'},
{"start-address", required_argument, NULL, OPTION_START_ADDRESS},
{"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS},
@@ -841,7 +847,8 @@ static unsigned int prev_line;
struct print_file_list
{
struct print_file_list *next;
- char *filename;
+ const char *filename;
+ const char *modname;
unsigned int line;
FILE *f;
};
@@ -853,6 +860,89 @@ static struct print_file_list *print_files;
#define SHOW_PRECEDING_CONTEXT_LINES (5)
+/* Tries to open MODNAME, and if successful adds a node to print_files
+ linked list and returns that node. Returns NULL on failure. */
+
+static struct print_file_list *
+try_print_file_open (const char *origname, const char *modname)
+{
+ struct print_file_list *p;
+ FILE *f;
+
+ f = fopen (modname, "r");
+ if (f == NULL)
+ return NULL;
+
+ if (print_files != NULL && print_files->f != NULL)
+ {
+ fclose (print_files->f);
+ print_files->f = NULL;
+ }
+
+ p = xmalloc (sizeof (struct print_file_list));
+ p->filename = origname;
+ p->modname = modname;
+ p->line = 0;
+ p->f = f;
+ p->next = print_files;
+ print_files = p;
+ return p;
+}
+
+/* If the the source file, as described in the symtab, is not found
+ try to locate it in one of the paths specified with -I
+ If found, add location to print_files linked list. */
+
+static struct print_file_list *
+update_source_path (const char *filename)
+{
+ struct print_file_list *p;
+ const char *fname;
+ int i;
+
+ if (filename == NULL)
+ return NULL;
+
+ p = try_print_file_open (filename, filename);
+ if (p != NULL)
+ return p;
+
+ if (include_path_count == 0)
+ return NULL;
+
+ /* Get the name of the file. */
+ fname = strrchr (filename, '/');
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ {
+ /* We could have a mixed forward/back slash case. */
+ char *backslash = strrchr (filename, '\\');
+ if (fname == NULL || (backslash != NULL && backslash > fname))
+ fname = backslash;
+ if (fname == NULL && filename[0] != '\0' && filename[1] == ':')
+ fname = filename + 1;
+ }
+#endif
+ if (fname == NULL)
+ fname = filename;
+ else
+ ++fname;
+
+ /* If file exists under a new path, we need to add it to the list
+ so that show_line knows about it. */
+ for (i = 0; i < include_path_count; i++)
+ {
+ char *modname = concat (include_paths[i], "/", fname, (const char *) 0);
+
+ p = try_print_file_open (filename, modname);
+ if (p)
+ return p;
+
+ free (modname);
+ }
+
+ return NULL;
+}
+
/* Skip ahead to a given line in a file, optionally printing each
line. */
@@ -950,7 +1040,7 @@ show_line (bfd *abfd, asection *section, bfd_vma addr_offset)
if (p->f == NULL)
{
- p->f = fopen (p->filename, "r");
+ p->f = fopen (p->modname, "r");
p->line = 0;
}
if (p->f != NULL)
@@ -973,28 +1063,12 @@ show_line (bfd *abfd, asection *section, bfd_vma addr_offset)
}
else
{
- FILE *f;
+ p = update_source_path (filename);
- f = fopen (filename, "r");
- if (f != NULL)
+ if (p != NULL)
{
int l;
- p = ((struct print_file_list *)
- xmalloc (sizeof (struct print_file_list)));
- p->filename = xmalloc (strlen (filename) + 1);
- strcpy (p->filename, filename);
- p->line = 0;
- p->f = f;
-
- if (print_files != NULL && print_files->f != NULL)
- {
- fclose (print_files->f);
- print_files->f = NULL;
- }
- p->next = print_files;
- print_files = p;
-
if (file_start_context)
l = 0;
else
@@ -1152,7 +1226,7 @@ disassemble_bytes (struct disassemble_info * info,
bfd_boolean need_nl = FALSE;
/* If we see more than SKIP_ZEROES octets of zeroes, we just
- print `...'. */
+ print `...'. */
for (z = addr_offset * opb; z < stop_offset * opb; z++)
if (data[z] != 0)
break;
@@ -1166,9 +1240,9 @@ disassemble_bytes (struct disassemble_info * info,
printf ("\t...\n");
/* If there are more nonzero octets to follow, we only skip
- zeroes in multiples of 4, to try to avoid running over
- the start of an instruction which happens to start with
- zero. */
+ zeroes in multiples of 4, to try to avoid running over
+ the start of an instruction which happens to start with
+ zero. */
if (z != stop_offset * opb)
z = addr_offset * opb + ((z - addr_offset * opb) &~ 3);
@@ -1220,7 +1294,7 @@ disassemble_bytes (struct disassemble_info * info,
#ifdef DISASSEMBLER_NEEDS_RELOCS
/* FIXME: This is wrong. It tests the number of octets
- in the last instruction, not the current one. */
+ in the last instruction, not the current one. */
if (*relppp < relppend
&& (**relppp)->address >= rel_offset + addr_offset
&& ((**relppp)->address
@@ -1268,7 +1342,7 @@ disassemble_bytes (struct disassemble_info * info,
bfd_vma j;
/* If ! prefix_addresses and ! wide_output, we print
- octets_per_line octets per line. */
+ octets_per_line octets per line. */
pb = octets;
if (pb > octets_per_line && ! prefix_addresses && ! wide_output)
pb = octets_per_line;
@@ -1685,9 +1759,9 @@ disassemble_data (bfd *abfd)
else
{
/* Search forward for the next appropriate symbol in
- SECTION. Note that all the symbols are sorted
- together into one big array, and that some sections
- may have overlapping addresses. */
+ SECTION. Note that all the symbols are sorted
+ together into one big array, and that some sections
+ may have overlapping addresses. */
while (place < sorted_symcount
&& (sorted_syms[place]->section != section
|| (bfd_asymbol_value (sorted_syms[place])
@@ -2169,7 +2243,7 @@ dump_data (bfd *abfd)
{
char buf[64];
int count, width;
-
+
printf (_("Contents of section %s:\n"), section->name);
if (bfd_section_size (abfd, section) == 0)
@@ -2308,8 +2382,8 @@ dump_symbols (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean dynamic)
if (do_demangle && name != NULL && *name != '\0')
{
/* If we want to demangle the name, we demangle it
- here, and temporarily clobber it while calling
- bfd_print_symbol. FIXME: This is a gross hack. */
+ here, and temporarily clobber it while calling
+ bfd_print_symbol. FIXME: This is a gross hack. */
alloc = demangle (cur_bfd, name);
(*current)->name = alloc;
}
@@ -2537,6 +2611,23 @@ dump_reloc_set (bfd *abfd, asection *sec, arelent **relpp, long relcount)
printf ("\n");
}
}
+
+/* Creates a table of paths, to search for source files. */
+
+static void
+add_include_path (const char *path)
+{
+ if (path[0] == 0)
+ return;
+ include_path_count++;
+ include_paths = xrealloc (include_paths,
+ include_path_count * sizeof (*include_paths));
+#ifdef HAVE_DOS_BASED_FILE_SYSTEM
+ if (path[1] == ':' && path[2] == 0)
+ path = concat (path, ".", (const char *) 0);
+#endif
+ include_paths[include_path_count - 1] = path;
+}
int
main (int argc, char **argv)
@@ -2562,7 +2653,7 @@ main (int argc, char **argv)
bfd_init ();
set_default_bfd_target ();
- while ((c = getopt_long (argc, argv, "pib:m:M:VvCdDlfaHhrRtTxsSj:wE:zgeG",
+ while ((c = getopt_long (argc, argv, "pib:m:M:VvCdDlfaHhrRtTxsSI:j:wE:zgeG",
long_options, (int *) 0))
!= EOF)
{
@@ -2582,16 +2673,10 @@ main (int argc, char **argv)
disassembler_options = optarg;
break;
case 'j':
- if (only == NULL)
- {
- only_size = 8;
- only = (char **) xmalloc (only_size * sizeof (char *));
- }
- else if (only_used == only_size)
+ if (only_used == only_size)
{
only_size += 8;
- only = (char **) xrealloc (only,
- only_size * sizeof (char *));
+ only = xrealloc (only, only_size * sizeof (char *));
}
only [only_used++] = optarg;
break;
@@ -2658,6 +2743,9 @@ main (int argc, char **argv)
formats_info = TRUE;
seenflag = TRUE;
break;
+ case 'I':
+ add_include_path (optarg);
+ break;
case 'p':
dump_private_headers = TRUE;
seenflag = TRUE;