#include "bfd.h"
#include "sysdep.h"
#include "bucomm.h"
+#include <getopt.h>
asymbol **sympp;
char *input_target = NULL;
-1 means if we should use argv[0] to decide. */
extern int is_strip;
+int show_version = 0;
+
+enum strip_action
+{
+ strip_undef,
+ strip_none, /* don't strip */
+ strip_debug, /* strip all debugger symbols */
+ strip_all /* strip all symbols */
+};
+
+/* Which symbols to remove. */
+enum strip_action strip_symbols;
+
+enum locals_action
+{
+ locals_undef,
+ locals_start_L, /* discard locals starting with L */
+ locals_all /* discard all locals */
+};
+
+/* Which local symbols to remove. */
+enum locals_action discard_locals;
+
+/* Options to handle if running as "strip". */
+
+struct option strip_options[] = {
+ {"strip-all", no_argument, 0, 's'},
+ {"strip-debug", no_argument, 0, 'S'},
+ {"discard-all", no_argument, 0, 'x'},
+ {"discard-locals", no_argument, 0, 'X'},
+ {"input-format", required_argument, 0, 'I'},
+ {"output-format", required_argument, 0, 'O'},
+ {"format", required_argument, 0, 'F'},
+ {"target", required_argument, 0, 'F'},
+
+ {"version", no_argument, 0, 'V'},
+ {"verbose", no_argument, 0, 'v'},
+ {0, no_argument, 0, 0}
+};
+
+/* Options to handle if running as "copy". */
+
+struct option copy_options[] = {
+ {"strip-all", no_argument, 0, 'S'},
+ {"strip-debug", no_argument, 0, 'g'},
+ {"discard-all", no_argument, 0, 'x'},
+ {"discard-locals", no_argument, 0, 'X'},
+ {"input-format", required_argument, 0, 'I'},
+ {"output-format", required_argument, 0, 'O'},
+ {"format", required_argument, 0, 'F'},
+ {"target", required_argument, 0, 'F'},
+
+ {"version", no_argument, 0, 'V'},
+ {"verbose", no_argument, 0, 'v'},
+ {0, no_argument, 0, 0}
+};
+
/* IMPORTS */
extern char *program_name;
extern char *program_version;
static
void
-usage()
+copy_usage()
{
fprintf(stderr,
- "Usage %s [-S][-s srcfmt] [-d dtfmt] [-b bothfmts] infile [outfile] [-vV]\n",
+ "Usage %s [-vVSgxX] [-I informat] [-O outformat] infile [outfile]\n",
program_name);
exit(1);
}
void
strip_usage()
{
- fprintf(stderr, "Usage %s [-vV] filename ...\n", program_name);
+ fprintf(stderr, "Usage %s [-vVsSgxX] [-I informat] [-O outformat] filename ...\n", program_name);
exit(1);
}
}
}
+/* Choose which symbol entries to copy;
+ compact them downward to get rid of the rest.
+ Return the number of symbols to be printed. */
+static unsigned int
+filter_symbols (abfd, syms, symcount)
+ bfd *abfd;
+ asymbol **syms;
+ unsigned long symcount;
+{
+ asymbol **from, **to;
+ unsigned int dst_count = 0;
+ asymbol *sym;
+ char locals_prefix = bfd_get_symbol_leading_char(abfd) == '_' ? 'L' : '.';
+
+ unsigned int src_count;
+ for (from = to = syms, src_count = 0; src_count <symcount; src_count++) {
+ int keep = 0;
+
+ flagword flags = (from[src_count])->flags;
+ sym = from[src_count];
+ if ((flags & BSF_GLOBAL) /* Keep if external */
+ || (sym->section == &bfd_und_section)
+ || (sym->section == &bfd_com_section))
+ keep = 1;
+ else if ((flags & BSF_DEBUGGING) != 0) /* debugging symbol */
+ keep = strip_symbols != strip_debug;
+ else /* local symbol */
+ keep = (discard_locals != locals_all)
+ && !(discard_locals == locals_start_L &&
+ sym->name[0] == locals_prefix);
+
+
+ if (keep) {
+ to[dst_count++] = from[src_count];
+ }
+ }
+
+ return dst_count;
+}
+
static
void
copy_object(ibfd, obfd)
sympp = (asymbol **) xmalloc(get_symtab_upper_bound(ibfd));
symcount = bfd_canonicalize_symtab(ibfd, sympp);
- bfd_set_symtab(obfd, sympp, is_strip ? 0 : symcount);
+ if (strip_symbols == strip_debug || discard_locals != locals_undef)
+ symcount = filter_symbols (ibfd, sympp, symcount);
+
+
+ bfd_set_symtab(obfd, sympp,
+ strip_symbols == strip_all ? 0 : symcount);
/*
bfd mandates that all output sections be created and sizes set before
if (size == 0)
return;
- if (is_strip || bfd_get_reloc_upper_bound(ibfd, isection) == 0)
+ if (strip_symbols == strip_all
+ || bfd_get_reloc_upper_bound(ibfd, isection) == 0)
{
bfd_set_reloc(obfd, osection, (arelent **)NULL, 0);
}
char *argv[];
{
int i;
- int show_version = 0;
+ int c; /* sez which option char */
+ int option_index = 0; /* used by getopt and ignored by us */
+
program_name = argv[0];
+ strip_symbols = strip_undef; /* default is to strip everything. */
+ discard_locals = locals_undef;
+
bfd_init();
if (is_strip < 0) {
is_strip = (i >= 5 && strcmp(program_name+i-5,"strip"));
}
- if (is_strip)
- {
- for (i = 1; i < argc; i++)
- {
- if (argv[i][0] != '-')
- break;
- if (argv[i][1] == '-') {
- i++;
- break;
- }
- switch (argv[i][1]) {
- case 'V':
- show_version = true;
+ if (is_strip) {
+
+ while ((c = getopt_long(argc, argv, "I:O:F:sSgxXVv",
+ strip_options, &option_index))
+ != EOF) {
+ switch (c) {
+ case 'I':
+ input_target = optarg;
+ case 'O':
+ output_target = optarg;
+ break;
+ case 'F':
+ input_target = output_target = optarg;
+ break;
+
+ case 's':
+ strip_symbols = strip_all;
+ break;
+ case 'S':
+ case 'g':
+ strip_symbols = strip_debug;
+ break;
+ case 'x':
+ discard_locals = locals_all;
+ break;
+ case 'X':
+ discard_locals = locals_start_L;
break;
case 'v':
verbose = true;
show_version = true;
break;
-
- /* undocumented for now */
- case 'd':
- i++;
- output_target = argv[i];
+ case 'V':
+ show_version = true;
break;
+ case 0:
+ break; /* we've been given a long option */
default:
- strip_usage();
+ strip_usage ();
}
- }
+ }
+
+ i = optind;
+
+ /* Default is to strip all symbols. */
+ if (strip_symbols == strip_undef && discard_locals == locals_undef)
+ strip_symbols = strip_all;
+
+ if (output_target == (char *) NULL)
+ output_target = input_target;
+
if (show_version)
- printf ("%s version %s\n", program_name, program_version);
+ printf ("%s version %s\n", program_name, program_version);
+ else if (i == argc)
+ strip_usage();
for ( ; i < argc; i++) {
char *tmpname = make_tempname(argv[i]);
copy_file(argv[i], tmpname);
return 0;
}
- for (i = 1; i < argc; i++)
- {
- if (argv[i][0] == '-') {
- switch (argv[i][1]) {
- case 'V':
- show_version = true;
+ /* Invoked as "copy", not "strip" */
+
+ while ((c = getopt_long(argc, argv, "I:s:O:d:F:b:SgxXVv",
+ strip_options, &option_index))
+ != EOF) {
+ switch (c) {
+ case 'I':
+ case 's': /* "source" - 'I' is preferred */
+ input_target = optarg;
+ case 'O':
+ case 'd': /* "destination" - 'O' is preferred */
+ output_target = optarg;
break;
- case 'v':
- show_version = true;
- verbose = true;
- break;
- case 'b':
- i++;
- input_target = output_target = argv[i];
+ case 'F':
+ case 'b': /* "both" - 'F' is preferred */
+ input_target = output_target = optarg;
break;
+
case 'S':
- is_strip = 1;
+ strip_symbols = strip_all;
+ break;
+ case 'g':
+ strip_symbols = strip_debug;
break;
- case 's':
- i++;
- input_target = argv[i];
+ case 'x':
+ discard_locals = locals_all;
+ break;
+ case 'X':
+ discard_locals = locals_start_L;
+ break;
+ case 'v':
+ verbose = true;
+ show_version = true;
break;
- case 'd':
- i++;
- output_target = argv[i];
+ case 'V':
+ show_version = true;
break;
+ case 0:
+ break; /* we've been given a long option */
default:
- usage();
- }
- }
- else {
- if (input_filename) {
- output_filename = argv[i];
- }
- else {
- input_filename = argv[i];
- }
+ copy_usage ();
}
- }
-
+ }
+
if (show_version)
printf ("%s version %s\n", program_name, program_version);
+ if (optind == argc)
+ if (show_version)
+ exit(0);
+ else
+ copy_usage();
+
+ input_filename = argv[optind];
+ if (optind + 1 < argc)
+ output_filename = argv[optind+1];
+
+ /* Default is to strip no symbols. */
+ if (strip_symbols == strip_undef && discard_locals == locals_undef)
+ strip_symbols = strip_none;
+
if (input_filename == (char *) NULL)
- usage();
+ copy_usage();
if (output_target == (char *) NULL)
output_target = input_target;
projects / platform / upstream / binutils.git / commitdiff