Squashed 'third_party/elfutils/' content from commit 555e15e
Change-Id: I61cde98949e47e5c8c09c33260de17f30921be79
git-subtree-dir: third_party/elfutils
git-subtree-split: 555e15ebe8bf1eb33d00747173cfc80cc65648a4
diff --git a/src/objdump.c b/src/objdump.c
new file mode 100644
index 0000000..0dd9a6a
--- /dev/null
+++ b/src/objdump.c
@@ -0,0 +1,795 @@
+/* Print information from ELF file in human-readable form.
+ Copyright (C) 2005, 2006, 2007, 2009, 2011, 2012, 2014, 2015 Red Hat, Inc.
+ This file is part of elfutils.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2005.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ elfutils is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <argp.h>
+#include <error.h>
+#include <fcntl.h>
+#include <inttypes.h>
+#include <libintl.h>
+#include <locale.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <libeu.h>
+#include <system.h>
+#include <color.h>
+#include <printversion.h>
+#include "../libebl/libeblP.h"
+
+
+/* Name and version of program. */
+ARGP_PROGRAM_VERSION_HOOK_DEF = print_version;
+
+/* Bug report address. */
+ARGP_PROGRAM_BUG_ADDRESS_DEF = PACKAGE_BUGREPORT;
+
+
+/* Definitions of arguments for argp functions. */
+static const struct argp_option options[] =
+{
+ { NULL, 0, NULL, 0, N_("Mode selection:"), 0 },
+ { "reloc", 'r', NULL, 0, N_("Display relocation information."), 0 },
+ { "full-contents", 's', NULL, 0,
+ N_("Display the full contents of all sections requested"), 0 },
+ { "disassemble", 'd', NULL, 0,
+ N_("Display assembler code of executable sections"), 0 },
+
+ { NULL, 0, NULL, 0, N_("Output content selection:"), 0 },
+ { "section", 'j', "NAME", 0,
+ N_("Only display information for section NAME."), 0 },
+
+ { NULL, 0, NULL, 0, NULL, 0 }
+};
+
+/* Short description of program. */
+static const char doc[] = N_("\
+Show information from FILEs (a.out by default).");
+
+/* Strings for arguments in help texts. */
+static const char args_doc[] = N_("[FILE...]");
+
+/* Prototype for option handler. */
+static error_t parse_opt (int key, char *arg, struct argp_state *state);
+
+/* Parser children. */
+static struct argp_child argp_children[] =
+ {
+ { &color_argp, 0, N_("Output formatting"), 2 },
+ { NULL, 0, NULL, 0}
+ };
+
+/* Data structure to communicate with argp functions. */
+static const struct argp argp =
+{
+ options, parse_opt, args_doc, doc, argp_children, NULL, NULL
+};
+
+
+/* Print symbols in file named FNAME. */
+static int process_file (const char *fname, bool more_than_one);
+
+/* Handle content of archive. */
+static int handle_ar (int fd, Elf *elf, const char *prefix, const char *fname,
+ const char *suffix);
+
+/* Handle ELF file. */
+static int handle_elf (Elf *elf, const char *prefix, const char *fname,
+ const char *suffix);
+
+
+#define INTERNAL_ERROR(fname) \
+ error (EXIT_FAILURE, 0, gettext ("%s: INTERNAL ERROR %d (%s): %s"), \
+ fname, __LINE__, PACKAGE_VERSION, elf_errmsg (-1))
+
+
+/* List of sections which should be used. */
+static struct section_list
+{
+ bool is_name;
+ union
+ {
+ const char *name;
+ uint32_t scnndx;
+ };
+ struct section_list *next;
+} *section_list;
+
+
+/* If true print archive index. */
+static bool print_relocs;
+
+/* If true print full contents of requested sections. */
+static bool print_full_content;
+
+/* If true print disassembled output.. */
+static bool print_disasm;
+
+
+int
+main (int argc, char *argv[])
+{
+ /* We use no threads here which can interfere with handling a stream. */
+ (void) __fsetlocking (stdin, FSETLOCKING_BYCALLER);
+ (void) __fsetlocking (stdout, FSETLOCKING_BYCALLER);
+ (void) __fsetlocking (stderr, FSETLOCKING_BYCALLER);
+
+ /* Set locale. */
+ (void) setlocale (LC_ALL, "");
+
+ /* Make sure the message catalog can be found. */
+ (void) bindtextdomain (PACKAGE_TARNAME, LOCALEDIR);
+
+ /* Initialize the message catalog. */
+ (void) textdomain (PACKAGE_TARNAME);
+
+ /* Parse and process arguments. */
+ int remaining;
+ (void) argp_parse (&argp, argc, argv, 0, &remaining, NULL);
+
+ /* Tell the library which version we are expecting. */
+ (void) elf_version (EV_CURRENT);
+
+ int result = 0;
+ if (remaining == argc)
+ /* The user didn't specify a name so we use a.out. */
+ result = process_file ("a.out", false);
+ else
+ {
+ /* Process all the remaining files. */
+ const bool more_than_one = remaining + 1 < argc;
+
+ do
+ result |= process_file (argv[remaining], more_than_one);
+ while (++remaining < argc);
+ }
+
+ return result;
+}
+
+
+/* Handle program arguments. */
+static error_t
+parse_opt (int key, char *arg,
+ struct argp_state *state __attribute__ ((unused)))
+{
+ /* True if any of the control options is set. */
+ static bool any_control_option;
+
+ switch (key)
+ {
+ case 'j':
+ {
+ struct section_list *newp = xmalloc (sizeof (*newp));
+ char *endp;
+ newp->scnndx = strtoul (arg, &endp, 0);
+ if (*endp == 0)
+ newp->is_name = false;
+ else
+ {
+ newp->name = arg;
+ newp->is_name = true;
+ }
+ newp->next = section_list;
+ section_list = newp;
+ }
+ any_control_option = true;
+ break;
+
+ case 'd':
+ print_disasm = true;
+ any_control_option = true;
+ break;
+
+ case 'r':
+ print_relocs = true;
+ any_control_option = true;
+ break;
+
+ case 's':
+ print_full_content = true;
+ any_control_option = true;
+ break;
+
+ case ARGP_KEY_FINI:
+ if (! any_control_option)
+ {
+ fputs (gettext ("No operation specified.\n"), stderr);
+ argp_help (&argp, stderr, ARGP_HELP_SEE,
+ program_invocation_short_name);
+ exit (EXIT_FAILURE);
+ }
+ /* We only use this for checking the number of arguments, we don't
+ actually want to consume them. */
+ FALLTHROUGH;
+ default:
+ return ARGP_ERR_UNKNOWN;
+ }
+ return 0;
+}
+
+
+/* Open the file and determine the type. */
+static int
+process_file (const char *fname, bool more_than_one)
+{
+ /* Open the file. */
+ int fd = open (fname, O_RDONLY);
+ if (fd == -1)
+ {
+ error (0, errno, gettext ("cannot open %s"), fname);
+ return 1;
+ }
+
+ /* Now get the ELF descriptor. */
+ Elf *elf = elf_begin (fd, ELF_C_READ_MMAP, NULL);
+ if (elf != NULL)
+ {
+ if (elf_kind (elf) == ELF_K_ELF)
+ {
+ int result = handle_elf (elf, more_than_one ? "" : NULL,
+ fname, NULL);
+
+ if (elf_end (elf) != 0)
+ INTERNAL_ERROR (fname);
+
+ if (close (fd) != 0)
+ error (EXIT_FAILURE, errno, gettext ("while close `%s'"), fname);
+
+ return result;
+ }
+ else if (elf_kind (elf) == ELF_K_AR)
+ {
+ int result = handle_ar (fd, elf, NULL, fname, NULL);
+
+ if (elf_end (elf) != 0)
+ INTERNAL_ERROR (fname);
+
+ if (close (fd) != 0)
+ error (EXIT_FAILURE, errno, gettext ("while close `%s'"), fname);
+
+ return result;
+ }
+
+ /* We cannot handle this type. Close the descriptor anyway. */
+ if (elf_end (elf) != 0)
+ INTERNAL_ERROR (fname);
+ }
+
+ error (0, 0, gettext ("%s: File format not recognized"), fname);
+
+ return 1;
+}
+
+
+static int
+handle_ar (int fd, Elf *elf, const char *prefix, const char *fname,
+ const char *suffix)
+{
+ size_t fname_len = strlen (fname) + 1;
+ size_t prefix_len = prefix != NULL ? strlen (prefix) : 0;
+ char new_prefix[prefix_len + fname_len + 2];
+ size_t suffix_len = suffix != NULL ? strlen (suffix) : 0;
+ char new_suffix[suffix_len + 2];
+ Elf *subelf;
+ Elf_Cmd cmd = ELF_C_READ_MMAP;
+ int result = 0;
+
+ char *cp = new_prefix;
+ if (prefix != NULL)
+ cp = stpcpy (cp, prefix);
+ cp = stpcpy (cp, fname);
+ stpcpy (cp, "[");
+
+ cp = new_suffix;
+ if (suffix != NULL)
+ cp = stpcpy (cp, suffix);
+ stpcpy (cp, "]");
+
+ /* Process all the files contained in the archive. */
+ while ((subelf = elf_begin (fd, cmd, elf)) != NULL)
+ {
+ /* The the header for this element. */
+ Elf_Arhdr *arhdr = elf_getarhdr (subelf);
+
+ /* Skip over the index entries. */
+ if (strcmp (arhdr->ar_name, "/") != 0
+ && strcmp (arhdr->ar_name, "//") != 0)
+ {
+ if (elf_kind (subelf) == ELF_K_ELF)
+ result |= handle_elf (subelf, new_prefix, arhdr->ar_name,
+ new_suffix);
+ else if (elf_kind (subelf) == ELF_K_AR)
+ result |= handle_ar (fd, subelf, new_prefix, arhdr->ar_name,
+ new_suffix);
+ else
+ {
+ error (0, 0, gettext ("%s%s%s: file format not recognized"),
+ new_prefix, arhdr->ar_name, new_suffix);
+ result = 1;
+ }
+ }
+
+ /* Get next archive element. */
+ cmd = elf_next (subelf);
+ if (elf_end (subelf) != 0)
+ INTERNAL_ERROR (fname);
+ }
+
+ return result;
+}
+
+
+static void
+show_relocs_x (Ebl *ebl, GElf_Shdr *shdr, Elf_Data *symdata,
+ Elf_Data *xndxdata, size_t symstrndx, size_t shstrndx,
+ GElf_Addr r_offset, GElf_Xword r_info, GElf_Sxword r_addend)
+{
+ int elfclass = gelf_getclass (ebl->elf);
+ char buf[128];
+
+ printf ("%0*" PRIx64 " %-20s ",
+ elfclass == ELFCLASS32 ? 8 : 16, r_offset,
+ ebl_reloc_type_name (ebl, GELF_R_TYPE (r_info), buf, sizeof (buf)));
+
+ Elf32_Word xndx;
+ GElf_Sym symmem;
+ GElf_Sym *sym = gelf_getsymshndx (symdata, xndxdata, GELF_R_SYM (r_info),
+ &symmem, &xndx);
+
+ if (sym == NULL)
+ printf ("<%s %ld>",
+ gettext ("INVALID SYMBOL"), (long int) GELF_R_SYM (r_info));
+ else if (GELF_ST_TYPE (sym->st_info) != STT_SECTION)
+ printf ("%s",
+ elf_strptr (ebl->elf, symstrndx, sym->st_name));
+ else
+ {
+ GElf_Shdr destshdr_mem;
+ GElf_Shdr *destshdr;
+ destshdr = gelf_getshdr (elf_getscn (ebl->elf,
+ sym->st_shndx == SHN_XINDEX
+ ? xndx : sym->st_shndx),
+ &destshdr_mem);
+
+ if (shdr == NULL || destshdr == NULL)
+ printf ("<%s %ld>",
+ gettext ("INVALID SECTION"),
+ (long int) (sym->st_shndx == SHN_XINDEX
+ ? xndx : sym->st_shndx));
+ else
+ printf ("%s",
+ elf_strptr (ebl->elf, shstrndx, destshdr->sh_name));
+ }
+
+ if (r_addend != 0)
+ {
+ char sign = '+';
+ if (r_addend < 0)
+ {
+ sign = '-';
+ r_addend = -r_addend;
+ }
+ printf ("%c%#" PRIx64, sign, r_addend);
+ }
+ putchar ('\n');
+}
+
+
+static void
+show_relocs_rel (Ebl *ebl, GElf_Shdr *shdr, Elf_Data *data,
+ Elf_Data *symdata, Elf_Data *xndxdata, size_t symstrndx,
+ size_t shstrndx)
+{
+ size_t sh_entsize = gelf_fsize (ebl->elf, ELF_T_REL, 1, EV_CURRENT);
+ int nentries = shdr->sh_size / sh_entsize;
+
+ for (int cnt = 0; cnt < nentries; ++cnt)
+ {
+ GElf_Rel relmem;
+ GElf_Rel *rel;
+
+ rel = gelf_getrel (data, cnt, &relmem);
+ if (rel != NULL)
+ show_relocs_x (ebl, shdr, symdata, xndxdata, symstrndx, shstrndx,
+ rel->r_offset, rel->r_info, 0);
+ }
+}
+
+
+static void
+show_relocs_rela (Ebl *ebl, GElf_Shdr *shdr, Elf_Data *data,
+ Elf_Data *symdata, Elf_Data *xndxdata, size_t symstrndx,
+ size_t shstrndx)
+{
+ size_t sh_entsize = gelf_fsize (ebl->elf, ELF_T_RELA, 1, EV_CURRENT);
+ int nentries = shdr->sh_size / sh_entsize;
+
+ for (int cnt = 0; cnt < nentries; ++cnt)
+ {
+ GElf_Rela relmem;
+ GElf_Rela *rel;
+
+ rel = gelf_getrela (data, cnt, &relmem);
+ if (rel != NULL)
+ show_relocs_x (ebl, shdr, symdata, xndxdata, symstrndx, shstrndx,
+ rel->r_offset, rel->r_info, rel->r_addend);
+ }
+}
+
+
+static bool
+section_match (Elf *elf, uint32_t scnndx, GElf_Shdr *shdr, size_t shstrndx)
+{
+ if (section_list == NULL)
+ return true;
+
+ struct section_list *runp = section_list;
+ const char *name = elf_strptr (elf, shstrndx, shdr->sh_name);
+
+ do
+ {
+ if (runp->is_name)
+ {
+ if (name && strcmp (runp->name, name) == 0)
+ return true;
+ }
+ else
+ {
+ if (runp->scnndx == scnndx)
+ return true;
+ }
+
+ runp = runp->next;
+ }
+ while (runp != NULL);
+
+ return false;
+}
+
+
+static int
+show_relocs (Ebl *ebl, const char *fname, uint32_t shstrndx)
+{
+ int elfclass = gelf_getclass (ebl->elf);
+
+ Elf_Scn *scn = NULL;
+ while ((scn = elf_nextscn (ebl->elf, scn)) != NULL)
+ {
+ GElf_Shdr shdr_mem;
+ GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem);
+
+ if (shdr == NULL)
+ INTERNAL_ERROR (fname);
+
+ if (shdr->sh_type == SHT_REL || shdr->sh_type == SHT_RELA)
+ {
+ if (! section_match (ebl->elf, elf_ndxscn (scn), shdr, shstrndx))
+ continue;
+
+ GElf_Shdr destshdr_mem;
+ GElf_Shdr *destshdr = gelf_getshdr (elf_getscn (ebl->elf,
+ shdr->sh_info),
+ &destshdr_mem);
+ if (unlikely (destshdr == NULL))
+ continue;
+
+ printf (gettext ("\nRELOCATION RECORDS FOR [%s]:\n"
+ "%-*s TYPE VALUE\n"),
+ elf_strptr (ebl->elf, shstrndx, destshdr->sh_name),
+ elfclass == ELFCLASS32 ? 8 : 16, gettext ("OFFSET"));
+
+ /* Get the data of the section. */
+ Elf_Data *data = elf_getdata (scn, NULL);
+ if (data == NULL)
+ continue;
+
+ /* Get the symbol table information. */
+ Elf_Scn *symscn = elf_getscn (ebl->elf, shdr->sh_link);
+ GElf_Shdr symshdr_mem;
+ GElf_Shdr *symshdr = gelf_getshdr (symscn, &symshdr_mem);
+ Elf_Data *symdata = elf_getdata (symscn, NULL);
+ if (unlikely (symshdr == NULL || symdata == NULL))
+ continue;
+
+ /* Search for the optional extended section index table. */
+ Elf_Data *xndxdata = NULL;
+ Elf_Scn *xndxscn = NULL;
+ while ((xndxscn = elf_nextscn (ebl->elf, xndxscn)) != NULL)
+ {
+ GElf_Shdr xndxshdr_mem;
+ GElf_Shdr *xndxshdr;
+
+ xndxshdr = gelf_getshdr (xndxscn, &xndxshdr_mem);
+ if (xndxshdr != NULL && xndxshdr->sh_type == SHT_SYMTAB_SHNDX
+ && xndxshdr->sh_link == elf_ndxscn (symscn))
+ {
+ /* Found it. */
+ xndxdata = elf_getdata (xndxscn, NULL);
+ break;
+ }
+ }
+
+ if (shdr->sh_type == SHT_REL)
+ show_relocs_rel (ebl, shdr, data, symdata, xndxdata,
+ symshdr->sh_link, shstrndx);
+ else
+ show_relocs_rela (ebl, shdr, data, symdata, xndxdata,
+ symshdr->sh_link, shstrndx);
+
+ putchar ('\n');
+ }
+ }
+
+ return 0;
+}
+
+
+static int
+show_full_content (Ebl *ebl, const char *fname, uint32_t shstrndx)
+{
+ Elf_Scn *scn = NULL;
+ while ((scn = elf_nextscn (ebl->elf, scn)) != NULL)
+ {
+ GElf_Shdr shdr_mem;
+ GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem);
+
+ if (shdr == NULL)
+ INTERNAL_ERROR (fname);
+
+ if (shdr->sh_type == SHT_PROGBITS && shdr->sh_size > 0)
+ {
+ if (! section_match (ebl->elf, elf_ndxscn (scn), shdr, shstrndx))
+ continue;
+
+ printf (gettext ("Contents of section %s:\n"),
+ elf_strptr (ebl->elf, shstrndx, shdr->sh_name));
+
+ /* Get the data of the section. */
+ Elf_Data *data = elf_getdata (scn, NULL);
+ if (data == NULL)
+ continue;
+
+ unsigned char *cp = data->d_buf;
+ size_t cnt;
+ for (cnt = 0; cnt + 16 < data->d_size; cp += 16, cnt += 16)
+ {
+ printf (" %04zx ", cnt);
+
+ for (size_t inner = 0; inner < 16; inner += 4)
+ printf ("%02hhx%02hhx%02hhx%02hhx ",
+ cp[inner], cp[inner + 1], cp[inner + 2],
+ cp[inner + 3]);
+ fputc_unlocked (' ', stdout);
+
+ for (size_t inner = 0; inner < 16; ++inner)
+ fputc_unlocked (isascii (cp[inner]) && isprint (cp[inner])
+ ? cp[inner] : '.', stdout);
+ fputc_unlocked ('\n', stdout);
+ }
+
+ printf (" %04zx ", cnt);
+
+ size_t remaining = data->d_size - cnt;
+ size_t inner;
+ for (inner = 0; inner + 4 <= remaining; inner += 4)
+ printf ("%02hhx%02hhx%02hhx%02hhx ",
+ cp[inner], cp[inner + 1], cp[inner + 2], cp[inner + 3]);
+
+ for (; inner < remaining; ++inner)
+ printf ("%02hhx", cp[inner]);
+
+ for (inner = 2 * (16 - inner) + (16 - inner + 3) / 4 + 1; inner > 0;
+ --inner)
+ fputc_unlocked (' ', stdout);
+
+ for (inner = 0; inner < remaining; ++inner)
+ fputc_unlocked (isascii (cp[inner]) && isprint (cp[inner])
+ ? cp[inner] : '.', stdout);
+ fputc_unlocked ('\n', stdout);
+
+ fputc_unlocked ('\n', stdout);
+ }
+ }
+
+ return 0;
+}
+
+
+struct disasm_info
+{
+ GElf_Addr addr;
+ const uint8_t *cur;
+ const uint8_t *last_end;
+ const char *address_color;
+ const char *bytes_color;
+};
+
+
+// XXX This is not the preferred output for all architectures. Needs
+// XXX customization, too.
+static int
+disasm_output (char *buf, size_t buflen, void *arg)
+{
+ struct disasm_info *info = (struct disasm_info *) arg;
+
+ if (info->address_color != NULL)
+ printf ("%s%8" PRIx64 "%s: ",
+ info->address_color, (uint64_t) info->addr, color_off);
+ else
+ printf ("%8" PRIx64 ": ", (uint64_t) info->addr);
+
+ if (info->bytes_color != NULL)
+ fputs_unlocked (info->bytes_color, stdout);
+ size_t cnt;
+ for (cnt = 0; cnt < (size_t) MIN (info->cur - info->last_end, 8); ++cnt)
+ printf (" %02" PRIx8, info->last_end[cnt]);
+ if (info->bytes_color != NULL)
+ fputs_unlocked (color_off, stdout);
+
+ printf ("%*s %.*s\n",
+ (int) (8 - cnt) * 3 + 1, "", (int) buflen, buf);
+
+ info->addr += cnt;
+
+ /* We limit the number of bytes printed before the mnemonic to 8.
+ Print the rest on a separate, following line. */
+ if (info->cur - info->last_end > 8)
+ {
+ if (info->address_color != NULL)
+ printf ("%s%8" PRIx64 "%s: ",
+ info->address_color, (uint64_t) info->addr, color_off);
+ else
+ printf ("%8" PRIx64 ": ", (uint64_t) info->addr);
+
+ if (info->bytes_color != NULL)
+ fputs_unlocked (info->bytes_color, stdout);
+ for (; cnt < (size_t) (info->cur - info->last_end); ++cnt)
+ printf (" %02" PRIx8, info->last_end[cnt]);
+ if (info->bytes_color != NULL)
+ fputs_unlocked (color_off, stdout);
+ putchar_unlocked ('\n');
+ info->addr += info->cur - info->last_end - 8;
+ }
+
+ info->last_end = info->cur;
+
+ return 0;
+}
+
+
+static int
+show_disasm (Ebl *ebl, const char *fname, uint32_t shstrndx)
+{
+ DisasmCtx_t *ctx = disasm_begin (ebl, ebl->elf, NULL /* XXX TODO */);
+ if (ctx == NULL)
+ error (EXIT_FAILURE, 0, gettext ("cannot disassemble"));
+
+ Elf_Scn *scn = NULL;
+ while ((scn = elf_nextscn (ebl->elf, scn)) != NULL)
+ {
+ GElf_Shdr shdr_mem;
+ GElf_Shdr *shdr = gelf_getshdr (scn, &shdr_mem);
+
+ if (shdr == NULL)
+ INTERNAL_ERROR (fname);
+
+ if (shdr->sh_type == SHT_PROGBITS && shdr->sh_size > 0
+ && (shdr->sh_flags & SHF_EXECINSTR) != 0)
+ {
+ if (! section_match (ebl->elf, elf_ndxscn (scn), shdr, shstrndx))
+ continue;
+
+ Elf_Data *data = elf_getdata (scn, NULL);
+ if (data == NULL)
+ continue;
+
+ printf ("Disassembly of section %s:\n\n",
+ elf_strptr (ebl->elf, shstrndx, shdr->sh_name));
+
+ struct disasm_info info;
+ info.addr = shdr->sh_addr;
+ info.last_end = info.cur = data->d_buf;
+ char *fmt;
+ if (color_mode)
+ {
+ info.address_color = color_address;
+ info.bytes_color = color_bytes;
+
+ if (asprintf (&fmt, "%s%%7m %s%%.1o,%s%%.2o,%s%%.3o%%34a %s%%l",
+ color_mnemonic ?: "",
+ color_operand1 ?: "",
+ color_operand2 ?: "",
+ color_operand3 ?: "",
+ color_label ?: "") < 0)
+ error (EXIT_FAILURE, errno, _("cannot allocate memory"));
+ }
+ else
+ {
+ info.address_color = info.bytes_color = NULL;
+
+ fmt = "%7m %.1o,%.2o,%.3o%34a %l";
+ }
+
+ disasm_cb (ctx, &info.cur, info.cur + data->d_size, info.addr,
+ fmt, disasm_output, &info, NULL /* XXX */);
+
+ if (color_mode)
+ free (fmt);
+ }
+ }
+
+ (void) disasm_end (ctx);
+
+ return 0;
+}
+
+
+static int
+handle_elf (Elf *elf, const char *prefix, const char *fname,
+ const char *suffix)
+{
+
+ /* Get the backend for this object file type. */
+ Ebl *ebl = ebl_openbackend (elf);
+
+ printf ("%s: elf%d-%s\n\n",
+ fname, gelf_getclass (elf) == ELFCLASS32 ? 32 : 64,
+ ebl_backend_name (ebl));
+
+ /* Create the full name of the file. */
+ size_t prefix_len = prefix == NULL ? 0 : strlen (prefix);
+ size_t suffix_len = suffix == NULL ? 0 : strlen (suffix);
+ size_t fname_len = strlen (fname) + 1;
+ char fullname[prefix_len + 1 + fname_len + suffix_len];
+ char *cp = fullname;
+ if (prefix != NULL)
+ cp = mempcpy (cp, prefix, prefix_len);
+ cp = mempcpy (cp, fname, fname_len);
+ if (suffix != NULL)
+ memcpy (cp - 1, suffix, suffix_len + 1);
+
+ /* Get the section header string table index. */
+ size_t shstrndx;
+ if (elf_getshdrstrndx (ebl->elf, &shstrndx) < 0)
+ error (EXIT_FAILURE, 0,
+ gettext ("cannot get section header string table index"));
+
+ int result = 0;
+ if (print_disasm)
+ result = show_disasm (ebl, fullname, shstrndx);
+ if (print_relocs && !print_disasm)
+ result = show_relocs (ebl, fullname, shstrndx);
+ if (print_full_content)
+ result = show_full_content (ebl, fullname, shstrndx);
+
+ /* Close the ELF backend library descriptor. */
+ ebl_closebackend (ebl);
+
+ return result;
+}
+
+
+#include "debugpred.h"