bfd_boolean
ar_emul_default_create (bfd **abfd_out, char *archive_file_name,
char *file_name)
{
char *target = NULL;
/* Try to figure out the target to use for the archive from the
first object on the list. */
if (file_name != NULL)
{
bfd *obj;
obj = bfd_openr (file_name, NULL);
if (obj != NULL)
{
if (bfd_check_format (obj, bfd_object))
target = bfd_get_target (obj);
(void) bfd_close (obj);
}
}
/* Create an empty archive. */
*abfd_out = bfd_openw (archive_file_name, target);
if (*abfd_out == NULL
|| ! bfd_set_format (*abfd_out, bfd_archive)
|| ! bfd_close (*abfd_out))
bfd_fatal (archive_file_name);
return TRUE;
}
static bfd *
bfd_openw_with_cleanup(const char *filename, const char *target,
const char *mode)
{
bfd *obfd;
if (*mode == 'w') /* Write: create new file */
{
obfd = bfd_openw(filename, target);
if (obfd == NULL)
error(_("Failed to open %s: %s."), filename,
bfd_errmsg(bfd_get_error()));
make_cleanup_bfd_close(obfd);
if (!bfd_set_format(obfd, bfd_object))
error(_("bfd_openw_with_cleanup: %s."), bfd_errmsg(bfd_get_error()));
}
else if (*mode == 'a') /* Append to existing file */
{ /* FIXME: does NOT work... */
error(_("bfd_openw does not work with append."));
}
else
error(_("bfd_openw_with_cleanup: unknown mode %s."), mode);
return obfd;
}
bfd *
create_gcore_bfd (char *filename)
{
bfd *obfd = gdb_bfd_openw (filename, default_gcore_target ());
if (!obfd)
error (_("Failed to open '%s' for output."), filename);
bfd_set_format (obfd, bfd_core);
bfd_set_arch_mach (obfd, default_gcore_arch (), default_gcore_mach ());
return obfd;
}
void
output_file_create (char *name)
{
if (name[0] == '-' && name[1] == '\0')
as_fatal (_("can't open a bfd on stdout %s"), name);
else if (!(stdoutput = bfd_openw (name, TARGET_FORMAT)))
{
bfd_error_type err = bfd_get_error ();
if (err == bfd_error_invalid_target)
as_fatal (_("selected target format '%s' unknown"), TARGET_FORMAT);
else
as_fatal (_("can't create %s: %s"), name, bfd_errmsg (err));
}
bfd_set_format (stdoutput, bfd_object);
bfd_set_arch_mach (stdoutput, TARGET_ARCH, TARGET_MACH);
if (flag_traditional_format)
stdoutput->flags |= BFD_TRADITIONAL_FORMAT;
}
static void
gcore_command (char *args, int from_tty)
{
struct cleanup *old_chain;
char *corefilename, corefilename_buffer[40];
asection *note_sec = NULL;
bfd *obfd;
void *note_data = NULL;
int note_size = 0;
/* No use generating a corefile without a target process. */
if (!target_has_execution)
noprocess ();
if (args && *args)
corefilename = args;
else
{
/* Default corefile name is "core.PID". */
sprintf (corefilename_buffer, "core.%d", PIDGET (inferior_ptid));
corefilename = corefilename_buffer;
}
if (info_verbose)
fprintf_filtered (gdb_stdout,
"Opening corefile '%s' for output.\n", corefilename);
/* Open the output file. */
obfd = bfd_openw (corefilename, default_gcore_target ());
if (!obfd)
error (_("Failed to open '%s' for output."), corefilename);
/* Need a cleanup that will close the file (FIXME: delete it?). */
old_chain = make_cleanup_bfd_close (obfd);
bfd_set_format (obfd, bfd_core);
bfd_set_arch_mach (obfd, default_gcore_arch (), default_gcore_mach ());
/* An external target method must build the notes section. */
note_data = target_make_corefile_notes (obfd, ¬e_size);
/* Create the note section. */
if (note_data != NULL && note_size != 0)
{
note_sec = bfd_make_section_anyway_with_flags (obfd, "note0",
SEC_HAS_CONTENTS
| SEC_READONLY
| SEC_ALLOC);
if (note_sec == NULL)
error (_("Failed to create 'note' section for corefile: %s"),
bfd_errmsg (bfd_get_error ()));
bfd_set_section_vma (obfd, note_sec, 0);
bfd_set_section_alignment (obfd, note_sec, 0);
bfd_set_section_size (obfd, note_sec, note_size);
}
/* Now create the memory/load sections. */
if (gcore_memory_sections (obfd) == 0)
error (_("gcore: failed to get corefile memory sections from target."));
/* Write out the contents of the note section. */
if (note_data != NULL && note_size != 0)
{
if (!bfd_set_section_contents (obfd, note_sec, note_data, 0, note_size))
warning (_("writing note section (%s)"), bfd_errmsg (bfd_get_error ()));
}
/* Succeeded. */
fprintf_filtered (gdb_stdout, "Saved corefile %s\n", corefilename);
/* Clean-ups will close the output file and free malloc memory. */
do_cleanups (old_chain);
return;
}
void replace_hello(const char *input_path, const char *output_path)
{
bfd_init();
bfd *ibfd = bfd_openr(input_path, NULL);
if (ibfd == NULL)
errx(1, bfd_errmsg(bfd_get_error()));
if (!bfd_check_format(ibfd, bfd_object)) {
bfd_close_all_done(ibfd);
errx(1, "Input file is not a valid object file.");
}
bfd *obfd = bfd_openw(output_path, bfd_get_target(ibfd));
if (obfd == NULL) {
bfd_close_all_done(ibfd);
errx(1, bfd_errmsg(bfd_get_error()));
}
if (!bfd_set_format(obfd, bfd_get_format(ibfd))) {
bfd_close_all_done(ibfd);
bfd_close_all_done(obfd);
errx(1, "Setting obfd format failed: %s\n", bfd_errmsg(bfd_get_error()));
}
bfd_set_arch_info(obfd, bfd_get_arch_info(ibfd));
// Create sections for .data
asection *section = bfd_get_section_by_name(ibfd, ".data");
while (section != NULL) {
if (section->flags & SEC_HAS_CONTENTS) {
char *section_contents = (char *)malloc(section->size);
bfd_get_section_contents(ibfd, section, section_contents, 0, section->size);
char *hello_pos = (char *)memmem(section_contents, section->size, "hello", 5);
if (hello_pos != NULL) {
if (bfd_make_section_anyway_with_flags(obfd, ".data", section->flags) == NULL) {
free(section_contents);
bfd_close_all_done(ibfd);
bfd_close_all_done(obfd);
errx(1, bfd_errmsg(bfd_get_error()));
}
}
free(section_contents);
}
section = bfd_get_next_section_by_name(ibfd, section);
}
asection *comment_section = bfd_make_section_anyway_with_flags(obfd, ".comment.my_objcopy", SEC_HAS_CONTENTS);
if (comment_section == NULL) {
bfd_close_all_done(ibfd);
bfd_close_all_done(obfd);
errx(1, bfd_errmsg(bfd_get_error()));
}
if (!bfd_set_section_size(obfd, comment_section, 3)) {
bfd_close_all_done(ibfd);
bfd_close_all_done(obfd);
errx(1, bfd_errmsg(bfd_get_error()));
}
if (!bfd_set_section_contents(obfd, comment_section, "moo", 0, 3)) {
bfd_close_all_done(ibfd);
bfd_close_all_done(obfd);
errx(1, bfd_errmsg(bfd_get_error()));
}
// section = bfd_get_section_by_name(ibfd, ".data");
// asection *osection = bfd_get_section_by_name(obfd, ".data");
// if (osection == NULL) {
// bfd_close_all_done(ibfd);
// bfd_close_all_done(obfd);
// errx(1, bfd_errmsg(bfd_get_error()));
// }
// while (section != NULL) {
// if (section->flags & SEC_HAS_CONTENTS) {
// char *section_contents = (char *)malloc(section->size);
// bfd_get_section_contents(ibfd, section, section_contents, 0, section->size);
//
// char *hello_pos = (char *)memmem(section_contents, section->size, "hello", 5);
// if (hello_pos != NULL) {
// hello_pos[1] = 'o';
// hello_pos[4] = 'a';
// if (bfd_set_section_contents(obfd, osection, section_contents, 0, section->size)) {
// free(section_contents);
// bfd_close_all_done(ibfd);
// bfd_close_all_done(obfd);
// errx(1, bfd_errmsg(bfd_get_error()));
// }
// }
//
// free(section_contents);
// osection = bfd_get_next_section_by_name(obfd, osection);
// }
//
// section = bfd_get_next_section_by_name(ibfd, section);
// }
if (!bfd_close(obfd))
errx(1, "Closing obfd failed: %s\n", bfd_errmsg(bfd_get_error()));
if (!bfd_close(ibfd))
errx(1, "Closing ibfd failed: %s\n", bfd_errmsg(bfd_get_error()));
}
static void emit_so_bfd(const Chunk *base, uint64_t textOffs, uint64_t textLen,
std::vector<MethBlock> &blocks,
std::vector<DebugInfo> &debugInfos)
{
bfd_init();
bfd *abfd = bfd_openw("jit.o",
#ifdef __MACH__
"mach-o-i386"
#else
"elf32-i386"
#endif
) ;
bfd_set_format(abfd, bfd_object);
#ifdef __MACH__
bfd_set_arch_mach(abfd, bfd_arch_i386, bfd_mach_i386_i386);
#else
bfd_set_arch_mach(abfd, bfd_arch_i386, bfd_mach_i386_i386);
#endif
asection *textSection = bfd_make_section(abfd, ".text");
bfd_set_section_flags(
abfd, textSection,
SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE | SEC_HAS_CONTENTS);
#ifdef __MACH__
bfd_set_section_size(abfd, textSection, textLen);
// for mach-o, the .o we generate is linked into a .dylib
// so just set the alignment to make sure things end up
// in the right place after link
textSection->alignment_power = l2(textOffs);
static const uint64_t textAdj = 0;
#else
bfd_set_section_size(abfd, textSection, textLen + textOffs);
// for linux (and oprofile) the generated object is used
// directly, so just offset the symbols
uint64_t textAdj = textOffs;
#endif
asymbol **symbols = (asymbol **) malloc(
sizeof(asymbol *) * (6 + blocks.size()));
uint64_t start = ((uint64_t *) base->data)[0] + textOffs;
int n = 0;
std::map<std::string, int> namesSeen;
std::vector<MethBlock>::const_iterator i, e;
symbols[n++] = make_glob_symbol(abfd, "__jitStart", textSection, textAdj);
symbols[n++] = make_glob_symbol(abfd, "_jitStart", textSection, textAdj);
for (i = blocks.begin(), e = blocks.end(); i != e; i++, n++) {
std::string name = i->name();
int seen = namesSeen[name]++;
if (seen) {
char buf[16];
sprintf(buf, " (%d)", seen);
name += buf;
}
symbols[n] = make_glob_symbol(abfd, name.c_str(), textSection,
i->start() - start + textAdj);
}
symbols[n++] = make_glob_symbol(abfd, "__jitUnused", textSection,
blocks.back().end() - start + textAdj);
symbols[n++] = make_glob_symbol(abfd, "_jitUnused", textSection,
blocks.back().end() - start + textAdj);
symbols[n++] = make_glob_symbol(abfd, "__jitEnd", textSection,
textLen + textAdj);
symbols[n++] = make_glob_symbol(abfd, "_jitEnd", textSection,
textLen + textAdj);
bfd_set_symtab(abfd, symbols, n);
for (i = blocks.begin(), e = blocks.end(); i != e; i++, n++)
if (i->codeBytes())
bfd_set_section_contents(abfd, textSection, i->codeBytes(),
i->start() - start, i->codeLen());
bfd_close(abfd);
for (int n = 0; n < blocks.size(); n++)
free((void *) symbols[n]->name);
free(symbols);
}
static int printStackTrace(JNIEnv *env, jobject sobj, StackTrace tr) {
bfd *abfd;
long storage_needed;
asymbol **symbol_table;
symtab_entry *symtab;
long number_of_symbols;
long number_of_text_symbols;
long i, j;
StackTrace curr;
bfd_init();
abfd = bfd_openr(name_of_binary, "default");
bfd_set_format(abfd, bfd_object);
if (!bfd_check_format(abfd, bfd_object)) {
printf("Error(1) in printStackTrace\n"); return(1);
}
storage_needed = bfd_get_symtab_upper_bound(abfd);
if (storage_needed < 0) {
printf("Error(2) in printStackTrace\n"); return(2);
}
if (storage_needed == 0) {
printf("Error(3) no symbols\n"); return(3);
}
symbol_table = (asymbol **) xmalloc (storage_needed);
number_of_symbols = bfd_canonicalize_symtab (abfd, symbol_table);
if (number_of_symbols < 0) {
printf("Error(4) in printStackTrace\n"); return(4);
}
/* count number of symbols in text segment */
for (i = number_of_text_symbols = 0; i < number_of_symbols; i++)
if (bfd_decode_symclass(symbol_table[i]) == 'T')
number_of_text_symbols++;
if (number_of_text_symbols < 0) {
printf("Error(5) in printStackTrace\n"); return(5);
}
if (number_of_text_symbols == 0) {
printf("Error(6) No symbols in text segment.\n"); return(6);
}
symtab = (symtab_entry *)
malloc(number_of_text_symbols * sizeof(symtab_entry));
for (i = j = 0; i < number_of_symbols; i++) {
symbol_info si;
bfd_symbol_info(symbol_table[i], &si);
if (bfd_decode_symclass(symbol_table[i]) == 'T') {
if (j >= number_of_text_symbols) {
printf("Error(7) in printStackTrace\n"); return(7);
}
(symtab+j)->value = (unsigned long)si.value;
(symtab+j)->name = si.name;
j++;
}
}
qsort(symtab, number_of_text_symbols, sizeof(symtab_entry),
compare_symtab_entry);
curr = tr;
while(curr != NULL) {
symtab_entry *found =
bsearch_symtab((symvalue)curr->retaddr, symtab, number_of_text_symbols);
printItem(env, sobj, found, curr);
curr = curr->next;
}
/* clean up */
free(symtab);
bfd_close(abfd);
return(0);
}
main (int argc, char **argv) {
bfd *ibfd, *obfd;
asection *p;
static asymbol **osympp, **delsympp;
long symsize, symcount, delsymcount;
int i;
int c;
int idx;
struct add_reloc_struct *new_reloc;
struct change_reloc_struct *new_change;
struct delete_reloc_struct *new_delete;
struct modify_byte_struct *new_modify;
struct globalize_sym_struct *new_globalize;
while ((c = getopt (argc, argv, "a:d:c:m:G:")) != -1) {
switch (c) {
case 'a':
/* check to see if we have two args: name and loc */
if ((index(optarg, ',') == NULL) ||
(index(optarg, ',') != rindex(optarg, ','))) {
fprintf(stderr, "usage: -a argument should be <symbolname>,<location>, not \"%s\"\n", optarg);
exit(1);
}
/* record the add reloc command in the global array */
new_reloc = (add_reloc_struct *)malloc(sizeof(add_reloc_struct));
new_reloc->symbol_name = strndup(optarg, (index(optarg, ',') - optarg));
new_reloc->loc = strtol(index(optarg, ',') + 1, NULL, 0);
if (errno == EINVAL) {
fprintf(stderr, "the value %s is not a valid location for the add command\n", index(optarg, ',') + 1);
exit(1);
}
new_reloc->next = additional_relocs;
additional_relocs = new_reloc;
break;
case 'c':
/* check to see if we have two args */
if ((index(optarg, ',') == NULL) ||
(index(optarg, ',') != rindex(optarg, ','))) {
fprintf(stderr, "usage: -c argument should be <symbolname>,<symbolname>, not \"%s\"\n", optarg);
exit(1);
}
new_change = (change_reloc_struct *)malloc(sizeof(change_reloc_struct));
new_change->old_symbol_name = strndup(optarg, strlen(optarg) - strlen(index(optarg, ',')));
new_change->new_symbol_name = strdup(index(optarg, ',') + 1);
new_change->next = change_relocs;
change_relocs = new_change;
break;
case 'd':
new_delete = (delete_reloc_struct *)malloc(sizeof(delete_reloc_struct));
new_delete->symbol_name = strdup(optarg);
new_delete->next = delete_relocs;
delete_relocs = new_delete;
break;
case 'm':
if ((index(optarg, '=') == NULL) ||
(index(optarg, '=') != rindex(optarg, '='))) {
fprintf(stderr, "usage: -m argument should be <location>=<value>, not \"%s\"\n", optarg);
exit(1);
}
new_modify = (modify_byte_struct *)malloc(sizeof(modify_byte_struct));
new_modify->location = strtol(optarg, NULL, 0);
new_modify->value = strtol(index(optarg, '=') + 1, NULL, 0);
if (new_modify->value > 0xff) {
fprintf(stderr, "requested modify value %lx for location %lx exceeds 0xff\n",
new_modify->value, new_modify->location);
exit(1);
}
new_modify->next = modify_bytes;
modify_bytes = new_modify;
break;
case 'G':
new_globalize = (globalize_sym_struct *)malloc(sizeof(globalize_sym_struct));
new_globalize->symbol_name = strdup(optarg);
new_globalize->next = globalize_syms;
globalize_syms = new_globalize;
break;
default:
fprintf(stderr, "unrecognized argument character |%c|\n", c);
}
}
if ((argc - optind) != 2) {
fprintf(stderr, "usage: fixup_relocs [-a newsymbol,location] [-c oldsymbol,newsymbol] [-d symbol] infile.o outfile.o\n");
exit(1);
}
ibfd = bfd_openr(argv[optind], NULL);
if (ibfd == NULL) {
bfd_perror("while opening input object file");
exit(1);
}
/* if I don't do "check_format", there's no data in the bfd object. wtf? */
if (!bfd_check_format(ibfd, bfd_object)) {
fprintf(stderr, "input file %s seems to NOT be an object file! exiting.\n", argv[optind]);
exit(1);
}
obfd = bfd_openw(argv[optind+1], bfd_get_target(ibfd));
if (obfd == NULL) {
bfd_perror("while opening output object file");
exit(1);
}
if (!bfd_set_format(obfd, bfd_get_format(ibfd))) {
bfd_perror("while setting output object file format");
}
/* copy a bunch of necessary global stuff */
bfd_set_start_address(obfd, bfd_get_start_address(ibfd));
bfd_set_file_flags(obfd, bfd_get_file_flags(ibfd));
bfd_set_arch_mach(obfd, bfd_get_arch(ibfd), bfd_get_mach(ibfd));
/* BOZO objcopy sets format again at this point. why? */
bfd_map_over_sections (ibfd, setup_section, obfd);
setup_bfd_headers (ibfd, obfd);
/* Symbol filtering must happen after the output sections
have been created, but before their contents are set. */
symsize = bfd_get_symtab_upper_bound (ibfd);
if (symsize < 0) {
fprintf(stderr, "problem processing %s\n", bfd_get_filename (ibfd));
return FALSE;
}
/* count the added relocations so we can put extra space in the output symbol table for them */
int reloc_add_cnt, reloc_delete_cnt;
reloc_add_cnt = 0;
reloc_delete_cnt = 0;
for (new_reloc = additional_relocs; new_reloc != NULL; new_reloc = new_reloc->next) {
reloc_add_cnt++;
}
/* the "change" symbols might also not be in the symbol table yet */
for (new_change = change_relocs; new_change != NULL; new_change = new_change->next) {
reloc_add_cnt++;
/* the old symbol may be deleted, also */
reloc_delete_cnt++;
}
for (new_delete = delete_relocs; new_delete != NULL; new_delete = new_delete->next) {
reloc_delete_cnt++;
}
/* filter symbol table in two steps: */
/* 1) move symbols bound for deletion to the end of the output symbol table array */
/* 2) truncate the table at the first of those */
/* this makes it possible to do the reloc processing with the symbol table intact, */
/* and remove the deleted symbols afterwards, without corrupting the reloc data structures */
isympp = malloc (symsize);
osympp = malloc (symsize + reloc_add_cnt * sizeof(asymbol *));
delsympp = malloc (reloc_delete_cnt * sizeof(asymbol *));
symcount = bfd_canonicalize_symtab (ibfd, isympp);
if (symcount < 0) {
fprintf(stderr, "problem processing %s\n", bfd_get_filename (ibfd));
return FALSE;
}
/* remove any undefined symbols whose relocation entries were deleted or changed */
int osym_idx, delsym_idx;
osym_idx = delsym_idx = 0;
delsymcount = 0;
for (i = 0; i < symcount; i++) {
if ((is_delete_reloc(bfd_asymbol_name(isympp[i]), delete_relocs) ||
(find_change_reloc(bfd_asymbol_name(isympp[i]), change_relocs) != NULL)) &&
(isympp[i]->section != NULL) &&
(strcmp(isympp[i]->section->name, BFD_UND_SECTION_NAME) == 0)) {
delsympp[delsym_idx++] = isympp[i];
}
else {
if (is_globalize_sym(bfd_asymbol_name(isympp[i]), globalize_syms)) {
isympp[i]->flags = BSF_GLOBAL;
}
osympp[osym_idx++] = isympp[i];
}
}
symcount = osym_idx;
delsymcount = delsym_idx;
osympp[symcount] = NULL;
/* add the symbols for additional relocs to the table */
int added_symbol_cnt = 0;
for (new_reloc = additional_relocs; new_reloc != NULL; new_reloc = new_reloc->next) {
if (find_symbol(osympp, new_reloc->symbol_name) < 0) {
/* not yet present, so add it */
asymbol *new_sym;
new_sym = bfd_make_empty_symbol(obfd);
new_sym->name = strdup(new_reloc->symbol_name);
new_sym->section = bfd_get_section_by_name (obfd, ".text");
new_sym->value = new_reloc->loc;
new_sym->flags = BSF_GLOBAL;
osympp[symcount + added_symbol_cnt++] = new_sym;
osympp[symcount + added_symbol_cnt] = NULL;
}
}
/* do the same for changed relocs */
for (new_change = change_relocs; new_change != NULL; new_change = new_change->next) {
if (find_symbol(osympp, new_change->new_symbol_name) < 0) {
/* not yet present, so add it */
/* since this is a name change, we will reuse the existing address (value field of reloc) */
int old_symbol_idx;
if ((old_symbol_idx = find_symbol(isympp, new_change->old_symbol_name)) < 0) {
fprintf(stderr, "change command old symbol name %s not found in symbol table! Exiting.\n", new_change->old_symbol_name);
exit(1);
}
asymbol *new_sym;
new_sym = bfd_make_empty_symbol(obfd);
new_sym->name = strdup(new_change->new_symbol_name);
new_sym->section = bfd_und_section_ptr;
new_sym->value = isympp[old_symbol_idx]->value;
new_sym->flags = BSF_GLOBAL;
fprintf(stderr, "adding new symbol %s for change reloc command\n", new_sym->name);
osympp[symcount + added_symbol_cnt++] = new_sym;
osympp[symcount + added_symbol_cnt] = NULL;
}
}
/* append the soon-to-be deleted symbols to the end of the output symbol table */
for (i = 0; i < delsymcount; i++) {
osympp[symcount + added_symbol_cnt + i] = delsympp[i];
}
osympp[symcount + added_symbol_cnt + delsymcount] = NULL;
bfd_set_symtab (obfd, osympp, symcount + added_symbol_cnt + delsymcount);
/* This has to happen after the symbol table has been set. */
bfd_map_over_sections (ibfd, copy_section_relocs_edit, obfd);
/* now truncate the symbol table to eliminate the deleted symbols */
osympp[symcount + added_symbol_cnt] = NULL;
bfd_set_symtab (obfd, osympp, symcount + added_symbol_cnt);
/* now that we've set the relocs and cleaned the symtab, can call this */
bfd_map_over_sections (ibfd, copy_section_data, obfd);
bfd_close(obfd);
bfd_close(ibfd);
return 0;
}
int main(int argc, char * argv[])
{
bfd * bfd_in;
bfd * bfd_out;
char * filename_in;
char * filename_out;
log_init(PROGRAM_NAME, LOG_MESSAGE);
atexit(log_fini);
filename_in = NULL;
filename_out = NULL;
int c;
// int digit_optind = 0;
while (1) {
// int this_option_optind = optind ? optind : 1;
int option_index = 0;
static struct option long_options[] = {
{ "input", 1, 0, 'i' },
{ "output", 1, 0, 'o' },
{ "debug", 0, 0, 'd' },
{ "verbose", 0, 0, 'v' },
{ "version", 0, 0, 'V' },
{ "help", 0, 0, 'h' },
{ 0, 0, 0, 0 }
};
c = getopt_long(argc, argv, "i:o:dvVh",
long_options, &option_index);
if (c == -1) {
break;
}
debug("Handling option character '%c'\n", c);
switch (c) {
case 'i':
filename_in = optarg;
break;
case 'o':
filename_out = optarg;
break;
case 'd':
log_level(LOG_DEBUG);
break;
case 'v':
log_level(LOG_VERBOSE);
break;
case 'V':
version(PROGRAM_NAME);
return 0;
case 'h':
help();
return 0;
case '?':
hint(PROGRAM_NAME, "Unrecognized option");
return 1;
default:
BUG();
return 1;
}
}
if (!filename_in) {
fatal("Missing input filename\n");
exit(EXIT_FAILURE);
}
if (!filename_out) {
fatal("Missing output filename\n");
exit(EXIT_FAILURE);
}
/* XXX FIXME: Use stat instead of strcmp */
if (!strcmp(filename_in, filename_out)) {
fatal("Input and output are the same file\n");
exit(EXIT_FAILURE);
}
bfd_init();
debug("Reading input file %s\n", filename_in);
bfd_in = bfd_openr(filename_in, NULL);
if (!bfd_in) {
fatal("Cannot open input file %s (%s)\n",
filename_in, BFD_strerror());
exit(EXIT_FAILURE);
}
if (!bfd_check_format(bfd_in, bfd_object)) {
fatal("Wrong input file format (not an object)\n");
exit(EXIT_FAILURE);
}
bfd_out = bfd_openw(filename_out, NULL);
if (!bfd_out) {
fatal("Cannot open output file %s (%s)\n",
filename_out, BFD_strerror());
exit(EXIT_FAILURE);
}
debug("Generating output file %s\n", filename_out);
bfd_set_format(bfd_out, bfd_get_format(bfd_in));
if (bfd_copy_private_bfd_data(bfd_in, bfd_out) == FALSE) {
fatal("Cannot copy private bfd data (%s)\n",
BFD_strerror());
exit(EXIT_FAILURE);
}
if (bfd_copy_private_header_data(bfd_in, bfd_out) == FALSE) {
fatal("Cannot copy private header data (%s)\n",
BFD_strerror());
exit(EXIT_FAILURE);
}
bfd_close(bfd_in);
bfd_close(bfd_out);
exit(EXIT_SUCCESS);
}
