* 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.
This commit is contained in:
Alan Modra
parent
a4622f4072
commit
43ac988152
2 changed files with 141 additions and 41 deletions
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@ -1,3 +1,15 @@
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2003-08-04 Bradley Harrington <bharring@us.ibm.com>
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Alan Modra <amodra@bigpond.net.au>
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* objdump.c (include_paths, include_path_count): New vars.
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(usage): Describe --include.
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(long_options): Add "include".
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(add_include_path): New function.
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(struct print_file_list): Make filename const. Add modname.
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(try_print_file_open, update_source_path): New functions.
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(show_line): Use them.
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(main): Handle 'I' option. Don't check for NULL xrealloc arg.
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2003-07-30 Alan Modra <amodra@bigpond.net.au>
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* objdump.c: Remove unnecessary prototypes.
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@ -77,6 +77,10 @@ static int dump_debugging_tags; /* --debugging-tags */
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static bfd_vma adjust_section_vma = 0; /* --adjust-vma */
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static int file_start_context = 0; /* --file-start-context */
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/* Variables for handling include file path table. */
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static const char **include_paths;
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static int include_path_count;
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/* Extra info to pass to the disassembler address printing function. */
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struct objdump_disasm_info
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{
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@ -165,6 +169,7 @@ usage (FILE *stream, int status)
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-EB --endian=big Assume big endian format when disassembling\n\
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-EL --endian=little Assume little endian format when disassembling\n\
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--file-start-context Include context from start of file (with -S)\n\
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-I, --include=DIR Add DIR to search list for source files\n\
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-l, --line-numbers Include line numbers and filenames in output\n\
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-C, --demangle[=STYLE] Decode mangled/processed symbol names\n\
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The STYLE, if specified, can be `auto', `gnu',\n\
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@ -228,6 +233,7 @@ static struct option long_options[]=
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{"section-headers", no_argument, NULL, 'h'},
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{"show-raw-insn", no_argument, &show_raw_insn, 1},
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{"source", no_argument, NULL, 'S'},
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{"include", required_argument, NULL, 'I'},
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{"stabs", no_argument, NULL, 'G'},
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{"start-address", required_argument, NULL, OPTION_START_ADDRESS},
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{"stop-address", required_argument, NULL, OPTION_STOP_ADDRESS},
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@ -841,7 +847,8 @@ static unsigned int prev_line;
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struct print_file_list
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{
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struct print_file_list *next;
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char *filename;
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const char *filename;
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const char *modname;
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unsigned int line;
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FILE *f;
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};
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@ -853,6 +860,89 @@ static struct print_file_list *print_files;
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#define SHOW_PRECEDING_CONTEXT_LINES (5)
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/* Tries to open MODNAME, and if successful adds a node to print_files
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linked list and returns that node. Returns NULL on failure. */
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static struct print_file_list *
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try_print_file_open (const char *origname, const char *modname)
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{
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struct print_file_list *p;
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FILE *f;
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f = fopen (modname, "r");
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if (f == NULL)
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return NULL;
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if (print_files != NULL && print_files->f != NULL)
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{
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fclose (print_files->f);
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print_files->f = NULL;
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}
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p = xmalloc (sizeof (struct print_file_list));
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p->filename = origname;
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p->modname = modname;
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p->line = 0;
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p->f = f;
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p->next = print_files;
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print_files = p;
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return p;
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}
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/* If the the source file, as described in the symtab, is not found
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try to locate it in one of the paths specified with -I
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If found, add location to print_files linked list. */
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static struct print_file_list *
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update_source_path (const char *filename)
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{
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struct print_file_list *p;
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const char *fname;
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int i;
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if (filename == NULL)
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return NULL;
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p = try_print_file_open (filename, filename);
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if (p != NULL)
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return p;
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if (include_path_count == 0)
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return NULL;
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/* Get the name of the file. */
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fname = strrchr (filename, '/');
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#ifdef HAVE_DOS_BASED_FILE_SYSTEM
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{
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/* We could have a mixed forward/back slash case. */
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char *backslash = strrchr (filename, '\\');
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if (fname == NULL || (backslash != NULL && backslash > fname))
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fname = backslash;
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if (fname == NULL && filename[0] != '\0' && filename[1] == ':')
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fname = filename + 1;
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}
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#endif
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if (fname == NULL)
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fname = filename;
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else
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++fname;
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/* If file exists under a new path, we need to add it to the list
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so that show_line knows about it. */
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for (i = 0; i < include_path_count; i++)
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{
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char *modname = concat (include_paths[i], "/", fname, (const char *) 0);
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p = try_print_file_open (filename, modname);
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if (p)
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return p;
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free (modname);
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}
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return NULL;
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}
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/* Skip ahead to a given line in a file, optionally printing each
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line. */
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@ -950,7 +1040,7 @@ show_line (bfd *abfd, asection *section, bfd_vma addr_offset)
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if (p->f == NULL)
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{
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p->f = fopen (p->filename, "r");
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p->f = fopen (p->modname, "r");
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p->line = 0;
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}
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if (p->f != NULL)
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@ -973,28 +1063,12 @@ show_line (bfd *abfd, asection *section, bfd_vma addr_offset)
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}
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else
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{
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FILE *f;
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p = update_source_path (filename);
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f = fopen (filename, "r");
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if (f != NULL)
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if (p != NULL)
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{
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int l;
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p = ((struct print_file_list *)
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xmalloc (sizeof (struct print_file_list)));
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p->filename = xmalloc (strlen (filename) + 1);
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strcpy (p->filename, filename);
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p->line = 0;
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p->f = f;
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if (print_files != NULL && print_files->f != NULL)
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{
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fclose (print_files->f);
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print_files->f = NULL;
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}
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p->next = print_files;
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print_files = p;
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if (file_start_context)
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l = 0;
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else
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@ -1152,7 +1226,7 @@ disassemble_bytes (struct disassemble_info * info,
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bfd_boolean need_nl = FALSE;
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/* If we see more than SKIP_ZEROES octets of zeroes, we just
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print `...'. */
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print `...'. */
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for (z = addr_offset * opb; z < stop_offset * opb; z++)
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if (data[z] != 0)
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break;
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@ -1166,9 +1240,9 @@ disassemble_bytes (struct disassemble_info * info,
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printf ("\t...\n");
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/* If there are more nonzero octets to follow, we only skip
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zeroes in multiples of 4, to try to avoid running over
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the start of an instruction which happens to start with
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zero. */
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zeroes in multiples of 4, to try to avoid running over
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the start of an instruction which happens to start with
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zero. */
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if (z != stop_offset * opb)
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z = addr_offset * opb + ((z - addr_offset * opb) &~ 3);
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@ -1220,7 +1294,7 @@ disassemble_bytes (struct disassemble_info * info,
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#ifdef DISASSEMBLER_NEEDS_RELOCS
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/* FIXME: This is wrong. It tests the number of octets
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in the last instruction, not the current one. */
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in the last instruction, not the current one. */
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if (*relppp < relppend
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&& (**relppp)->address >= rel_offset + addr_offset
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&& ((**relppp)->address
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@ -1268,7 +1342,7 @@ disassemble_bytes (struct disassemble_info * info,
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bfd_vma j;
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/* If ! prefix_addresses and ! wide_output, we print
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octets_per_line octets per line. */
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octets_per_line octets per line. */
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pb = octets;
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if (pb > octets_per_line && ! prefix_addresses && ! wide_output)
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pb = octets_per_line;
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@ -1685,9 +1759,9 @@ disassemble_data (bfd *abfd)
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else
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{
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/* Search forward for the next appropriate symbol in
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SECTION. Note that all the symbols are sorted
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together into one big array, and that some sections
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may have overlapping addresses. */
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SECTION. Note that all the symbols are sorted
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together into one big array, and that some sections
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may have overlapping addresses. */
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while (place < sorted_symcount
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&& (sorted_syms[place]->section != section
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|| (bfd_asymbol_value (sorted_syms[place])
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@ -2169,7 +2243,7 @@ dump_data (bfd *abfd)
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{
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char buf[64];
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int count, width;
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printf (_("Contents of section %s:\n"), section->name);
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if (bfd_section_size (abfd, section) == 0)
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@ -2308,8 +2382,8 @@ dump_symbols (bfd *abfd ATTRIBUTE_UNUSED, bfd_boolean dynamic)
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if (do_demangle && name != NULL && *name != '\0')
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{
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/* If we want to demangle the name, we demangle it
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here, and temporarily clobber it while calling
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bfd_print_symbol. FIXME: This is a gross hack. */
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here, and temporarily clobber it while calling
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bfd_print_symbol. FIXME: This is a gross hack. */
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alloc = demangle (cur_bfd, name);
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(*current)->name = alloc;
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}
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@ -2537,6 +2611,23 @@ dump_reloc_set (bfd *abfd, asection *sec, arelent **relpp, long relcount)
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printf ("\n");
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}
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}
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/* Creates a table of paths, to search for source files. */
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static void
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add_include_path (const char *path)
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{
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if (path[0] == 0)
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return;
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include_path_count++;
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include_paths = xrealloc (include_paths,
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include_path_count * sizeof (*include_paths));
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#ifdef HAVE_DOS_BASED_FILE_SYSTEM
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if (path[1] == ':' && path[2] == 0)
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path = concat (path, ".", (const char *) 0);
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#endif
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include_paths[include_path_count - 1] = path;
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}
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int
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main (int argc, char **argv)
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@ -2562,7 +2653,7 @@ main (int argc, char **argv)
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bfd_init ();
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set_default_bfd_target ();
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while ((c = getopt_long (argc, argv, "pib:m:M:VvCdDlfaHhrRtTxsSj:wE:zgeG",
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while ((c = getopt_long (argc, argv, "pib:m:M:VvCdDlfaHhrRtTxsSI:j:wE:zgeG",
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long_options, (int *) 0))
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!= EOF)
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{
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@ -2582,16 +2673,10 @@ main (int argc, char **argv)
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disassembler_options = optarg;
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break;
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case 'j':
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if (only == NULL)
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{
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only_size = 8;
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only = (char **) xmalloc (only_size * sizeof (char *));
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}
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else if (only_used == only_size)
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if (only_used == only_size)
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{
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only_size += 8;
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only = (char **) xrealloc (only,
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only_size * sizeof (char *));
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only = xrealloc (only, only_size * sizeof (char *));
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}
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only [only_used++] = optarg;
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break;
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@ -2658,6 +2743,9 @@ main (int argc, char **argv)
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formats_info = TRUE;
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seenflag = TRUE;
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break;
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case 'I':
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add_include_path (optarg);
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break;
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case 'p':
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dump_private_headers = TRUE;
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seenflag = TRUE;
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