Don't include libbfd.h outside of bfd, part 5
A rewrite of the code in bucomm.c supporting objdump -i, to use bfd_iterate_over_targets rather than accessing bfd_target_vector directly. Calculates widest arch string rather than using an out of date constant. Stashes info from the first display of valid target/arch combinations for use in second tabular display. binutils/ * bucomm.c: Don't include libbfd.h. (endian_string, display_target_list): Delete forward declaration. (display_info_table, display_target_tables): Likewise. (LONGEST_ARCH): Delete. (struct display_target): New. (do_display_target): New function. (display_target_list, display_info): Rewrite functions. (display_info_table): Delete. (do_info_size, do_info_header, do_info_row): New functions.
This commit is contained in:
Alan Modra
parent
4212b42d79
commit
aac502f7d7
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@ -1,3 +1,15 @@
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2016-07-16 Alan Modra <amodra@gmail.com>
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* bucomm.c: Don't include libbfd.h.
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(endian_string, display_target_list): Delete forward declaration.
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(display_info_table, display_target_tables): Likewise.
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(LONGEST_ARCH): Delete.
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(struct display_target): New.
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(do_display_target): New function.
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(display_target_list, display_info): Rewrite functions.
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(display_info_table): Delete.
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(do_info_size, do_info_header, do_info_row): New functions.
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2016-07-16 Alan Modra <amodra@gmail.com>
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2016-07-16 Alan Modra <amodra@gmail.com>
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* elfcomm.h (HOST_WIDEST_INT): Move to..
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* elfcomm.h (HOST_WIDEST_INT): Move to..
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@ -25,7 +25,6 @@
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#include "bfd.h"
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#include "bfd.h"
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#include "libiberty.h"
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#include "libiberty.h"
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#include "filenames.h"
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#include "filenames.h"
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#include "libbfd.h"
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#include <time.h> /* ctime, maybe time_t */
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#include <time.h> /* ctime, maybe time_t */
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#include <assert.h>
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#include <assert.h>
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@ -36,11 +35,6 @@
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typedef long time_t;
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typedef long time_t;
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#endif
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#endif
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#endif
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#endif
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static const char * endian_string (enum bfd_endian);
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static int display_target_list (void);
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static int display_info_table (int, int);
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static int display_target_tables (void);
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/* Error reporting. */
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/* Error reporting. */
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@ -216,9 +210,6 @@ list_supported_architectures (const char *name, FILE *f)
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free (arches);
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free (arches);
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}
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}
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/* The length of the longest architecture name + 1. */
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#define LONGEST_ARCH sizeof ("powerpc:common")
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static const char *
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static const char *
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endian_string (enum bfd_endian endian)
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endian_string (enum bfd_endian endian)
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{
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{
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@ -230,184 +221,205 @@ endian_string (enum bfd_endian endian)
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}
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}
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}
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}
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/* Data passed to do_display_target and other target iterators. */
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struct display_target {
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/* Temp file. */
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char *filename;
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/* Return status. */
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int error;
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/* Number of targets. */
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int count;
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/* Size of info in bytes. */
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size_t alloc;
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/* Per-target info. */
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struct {
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/* Target name. */
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const char *name;
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/* Non-zero if target/arch combination supported. */
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unsigned char arch[bfd_arch_last - bfd_arch_obscure - 1];
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} *info;
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};
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/* List the targets that BFD is configured to support, each followed
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/* List the targets that BFD is configured to support, each followed
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by its endianness and the architectures it supports. */
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by its endianness and the architectures it supports. Also build
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info about target/archs. */
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static int
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static int
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display_target_list (void)
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do_display_target (const bfd_target *targ, void *data)
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{
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{
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char *dummy_name;
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struct display_target *param = (struct display_target *) data;
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int t;
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bfd *abfd;
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int ret = 1;
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size_t amt;
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dummy_name = make_temp_file (NULL);
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param->count += 1;
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for (t = 0; bfd_target_vector[t]; t++)
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amt = param->count * sizeof (*param->info);
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if (param->alloc < amt)
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{
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{
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const bfd_target *p = bfd_target_vector[t];
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size_t size = ((param->count < 64 ? 64 : param->count)
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bfd *abfd = bfd_openw (dummy_name, p->name);
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* sizeof (*param->info) * 2);
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int a;
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param->info = xrealloc (param->info, size);
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memset ((char *) param->info + param->alloc, 0, size - param->alloc);
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param->alloc = size;
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}
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param->info[param->count - 1].name = targ->name;
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printf (_("%s\n (header %s, data %s)\n"), p->name,
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printf (_("%s\n (header %s, data %s)\n"), targ->name,
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endian_string (p->header_byteorder),
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endian_string (targ->header_byteorder),
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endian_string (p->byteorder));
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endian_string (targ->byteorder));
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if (abfd == NULL)
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abfd = bfd_openw (param->filename, targ->name);
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if (abfd == NULL)
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{
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bfd_nonfatal (param->filename);
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param->error = 1;
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}
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else if (!bfd_set_format (abfd, bfd_object))
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{
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if (bfd_get_error () != bfd_error_invalid_operation)
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{
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{
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bfd_nonfatal (dummy_name);
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bfd_nonfatal (targ->name);
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ret = 0;
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param->error = 1;
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continue;
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}
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if (! bfd_set_format (abfd, bfd_object))
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{
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if (bfd_get_error () != bfd_error_invalid_operation)
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{
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bfd_nonfatal (p->name);
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ret = 0;
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}
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bfd_close_all_done (abfd);
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continue;
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}
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}
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}
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else
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{
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enum bfd_architecture a;
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for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
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for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
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if (bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
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if (bfd_set_arch_mach (abfd, a, 0))
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printf (" %s\n",
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{
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bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
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printf (" %s\n", bfd_printable_arch_mach (a, 0));
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bfd_close_all_done (abfd);
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param->info[param->count - 1].arch[a - bfd_arch_obscure - 1] = 1;
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}
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}
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}
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unlink (dummy_name);
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if (abfd != NULL)
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free (dummy_name);
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bfd_close_all_done (abfd);
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return ret;
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return param->error;
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}
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}
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/* Print a table showing which architectures are supported for entries
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static void
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FIRST through LAST-1 of bfd_target_vector (targets across,
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display_target_list (struct display_target *arg)
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architectures down). */
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{
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arg->filename = make_temp_file (NULL);
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arg->error = 0;
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arg->count = 0;
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arg->alloc = 0;
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arg->info = NULL;
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bfd_iterate_over_targets (do_display_target, arg);
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unlink (arg->filename);
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free (arg->filename);
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}
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/* Calculate how many targets we can print across the page. */
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static int
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static int
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display_info_table (int first, int last)
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do_info_size (int targ, int width, const struct display_target *arg)
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{
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{
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int t;
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while (targ < arg->count)
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int ret = 1;
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{
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char *dummy_name;
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width -= strlen (arg->info[targ].name) + 1;
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int a;
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if (width < 0)
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return targ;
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++targ;
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}
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return targ;
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}
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/* Print heading of target names. */
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/* Print header of target names. */
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printf ("\n%*s", (int) LONGEST_ARCH, " ");
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for (t = first; t < last && bfd_target_vector[t]; t++)
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printf ("%s ", bfd_target_vector[t]->name);
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putchar ('\n');
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dummy_name = make_temp_file (NULL);
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static void
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for (a = bfd_arch_obscure + 1; a < bfd_arch_last; a++)
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do_info_header (int targ, int stop_targ, const struct display_target *arg)
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if (strcmp (bfd_printable_arch_mach ((enum bfd_architecture) a, 0),
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{
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"UNKNOWN!") != 0)
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while (targ != stop_targ)
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{
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printf ("%s ", arg->info[targ++].name);
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printf ("%*s ", (int) LONGEST_ARCH - 1,
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}
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bfd_printable_arch_mach ((enum bfd_architecture) a, 0));
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for (t = first; t < last && bfd_target_vector[t]; t++)
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{
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const bfd_target *p = bfd_target_vector[t];
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bfd_boolean ok = TRUE;
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bfd *abfd = bfd_openw (dummy_name, p->name);
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if (abfd == NULL)
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/* Print a table row. */
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{
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bfd_nonfatal (p->name);
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ret = 0;
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ok = FALSE;
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}
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if (ok)
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static void
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{
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do_info_row (int targ, int stop_targ, enum bfd_architecture a,
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if (! bfd_set_format (abfd, bfd_object))
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const struct display_target *arg)
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{
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{
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if (bfd_get_error () != bfd_error_invalid_operation)
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while (targ != stop_targ)
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{
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{
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bfd_nonfatal (p->name);
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if (arg->info[targ].arch[a - bfd_arch_obscure - 1])
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ret = 0;
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fputs (arg->info[targ].name, stdout);
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}
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else
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ok = FALSE;
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{
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}
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int l = strlen (arg->info[targ].name);
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}
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while (l--)
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putchar ('-');
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if (ok)
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}
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{
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++targ;
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if (! bfd_set_arch_mach (abfd, (enum bfd_architecture) a, 0))
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if (targ != stop_targ)
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ok = FALSE;
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putchar (' ');
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}
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}
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if (ok)
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printf ("%s ", p->name);
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else
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{
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int l = strlen (p->name);
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while (l--)
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putchar ('-');
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putchar (' ');
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}
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if (abfd != NULL)
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bfd_close_all_done (abfd);
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}
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putchar ('\n');
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}
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unlink (dummy_name);
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free (dummy_name);
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return ret;
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}
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}
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/* Print tables of all the target-architecture combinations that
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/* Print tables of all the target-architecture combinations that
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BFD has been configured to support. */
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BFD has been configured to support. */
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static int
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static void
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display_target_tables (void)
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display_target_tables (const struct display_target *arg)
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{
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{
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int t;
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const char *columns;
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int columns;
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int width, start_targ, stop_targ;
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int ret = 1;
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enum bfd_architecture arch;
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char *colum;
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int longest_arch = 0;
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columns = 0;
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for (arch = bfd_arch_obscure + 1; arch < bfd_arch_last; arch++)
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colum = getenv ("COLUMNS");
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if (colum != NULL)
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columns = atoi (colum);
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if (columns == 0)
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columns = 80;
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t = 0;
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while (bfd_target_vector[t] != NULL)
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{
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{
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int oldt = t, wid;
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const char *s = bfd_printable_arch_mach (arch, 0);
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int len = strlen (s);
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wid = LONGEST_ARCH + strlen (bfd_target_vector[t]->name) + 1;
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if (len > longest_arch)
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++t;
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longest_arch = len;
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while (wid < columns && bfd_target_vector[t] != NULL)
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{
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int newwid;
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newwid = wid + strlen (bfd_target_vector[t]->name) + 1;
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if (newwid >= columns)
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break;
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wid = newwid;
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++t;
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}
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if (! display_info_table (oldt, t))
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ret = 0;
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}
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}
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return ret;
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width = 0;
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columns = getenv ("COLUMNS");
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if (columns != NULL)
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width = atoi (columns);
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if (width == 0)
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width = 80;
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for (start_targ = 0; start_targ < arg->count; start_targ = stop_targ)
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{
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stop_targ = do_info_size (start_targ, width - longest_arch - 1, arg);
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printf ("\n%*s", longest_arch + 1, " ");
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do_info_header (start_targ, stop_targ, arg);
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putchar ('\n');
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for (arch = bfd_arch_obscure + 1; arch < bfd_arch_last; arch++)
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{
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if (strcmp (bfd_printable_arch_mach (arch, 0), "UNKNOWN!") != 0)
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{
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printf ("%*s ", longest_arch,
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bfd_printable_arch_mach (arch, 0));
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do_info_row (start_targ, stop_targ, arch, arg);
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putchar ('\n');
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}
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}
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}
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}
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}
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int
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int
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display_info (void)
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display_info (void)
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{
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{
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struct display_target arg;
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printf (_("BFD header file version %s\n"), BFD_VERSION_STRING);
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printf (_("BFD header file version %s\n"), BFD_VERSION_STRING);
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if (! display_target_list () || ! display_target_tables ())
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return 1;
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display_target_list (&arg);
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else
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if (!arg.error)
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return 0;
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display_target_tables (&arg);
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return arg.error;
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}
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}
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/* Display the archive header for an element as if it were an ls -l listing:
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/* Display the archive header for an element as if it were an ls -l listing:
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