--- /dev/null
+/* Print information from ELF file in human-readable form.
+ Copyright (C) 2005 Red Hat, Inc.
+ Written by Ulrich Drepper <drepper@redhat.com>, 2005.
+
+ This program is Open Source software; you can redistribute it and/or
+ modify it under the terms of the Open Software License version 1.0 as
+ published by the Open Source Initiative.
+
+ You should have received a copy of the Open Software License along
+ with this program; if not, you may obtain a copy of the Open Software
+ License version 1.0 from http://www.opensource.org/licenses/osl.php or
+ by writing the Open Source Initiative c/o Lawrence Rosen, Esq.,
+ 3001 King Ranch Road, Ukiah, CA 95482. */
+
+#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 <mcheck.h>
+#include <stdbool.h>
+#include <stdio.h>
+#include <stdio_ext.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/param.h>
+
+#include <system.h>
+#include "../libebl/libeblP.h"
+
+
+/* Name and version of program. */
+static void print_version (FILE *stream, struct argp_state *state);
+void (*argp_program_version_hook) (FILE *, struct argp_state *) = print_version;
+
+/* Bug report address. */
+const char *argp_program_bug_address = 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 option 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);
+
+/* Data structure to communicate with argp functions. */
+static struct argp argp =
+{
+ options, parse_opt, args_doc, doc, NULL, 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): %s"), \
+ fname, __LINE__, VERSION, __DATE__, 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[])
+{
+ /* Make memory leak detection possible. */
+ mtrace ();
+
+ /* 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, LOCALEDIR);
+
+ /* Initialize the message catalog. */
+ (void) textdomain (PACKAGE);
+
+ /* 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;
+}
+
+
+/* Print the version information. */
+static void
+print_version (FILE *stream, struct argp_state *state __attribute__ ((unused)))
+{
+ fprintf (stream, "objdump (%s) %s\n", PACKAGE_NAME, VERSION);
+ fprintf (stream, gettext ("\
+Copyright (C) %s Red Hat, Inc.\n\
+This is free software; see the source for copying conditions. There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
+"), "2005");
+ fprintf (stream, gettext ("Written by %s.\n"), "Ulrich Drepper");
+}
+
+
+/* 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 | ARGP_HELP_EXIT_ERR,
+ program_invocation_short_name);
+ exit (1);
+ }
+
+ 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_rel (Ebl *ebl, GElf_Shdr *shdr, Elf_Data *data,
+ Elf_Data *symdata, Elf_Data *xndxdata, size_t symstrndx,
+ size_t shstrndx)
+{
+ int elfclass = gelf_getclass (ebl->elf);
+ int nentries = shdr->sh_size / shdr->sh_entsize;
+
+ for (int cnt = 0; cnt < nentries; ++cnt)
+ {
+ GElf_Rel relmem;
+ GElf_Rel *rel;
+
+ rel = gelf_getrel (data, cnt, &relmem);
+ if (rel != NULL)
+ {
+ char buf[128];
+ GElf_Sym symmem;
+ GElf_Sym *sym;
+ Elf32_Word xndx;
+
+ sym = gelf_getsymshndx (symdata, xndxdata, GELF_R_SYM (rel->r_info),
+ &symmem, &xndx);
+ if (sym == NULL)
+ printf ("%0*" PRIx64 " %-20s <%s %ld>\n",
+ elfclass == ELFCLASS32 ? 8 : 16, rel->r_offset,
+ ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info))
+ ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info),
+ buf, sizeof (buf))
+ : gettext ("<INVALID RELOC>"),
+ gettext ("INVALID SYMBOL"),
+ (long int) GELF_R_SYM (rel->r_info));
+ else if (GELF_ST_TYPE (sym->st_info) != STT_SECTION)
+ printf ("%0*" PRIx64 " %-20s %s\n",
+ elfclass == ELFCLASS32 ? 8 : 16, rel->r_offset,
+ ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info))
+ ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info),
+ buf, sizeof (buf))
+ : gettext ("<INVALID RELOC>"),
+ 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)
+ printf ("%0*" PRIx64 " %-20s <%s %ld>\n",
+ elfclass == ELFCLASS32 ? 8 : 16, rel->r_offset,
+ ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info))
+ ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info),
+ buf, sizeof (buf))
+ : gettext ("<INVALID RELOC>"),
+ gettext ("INVALID SECTION"),
+ (long int) (sym->st_shndx == SHN_XINDEX
+ ? xndx : sym->st_shndx));
+ else
+ printf ("%0*" PRIx64 " %-20s %s\n",
+ elfclass == ELFCLASS32 ? 8 : 16, rel->r_offset,
+ ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info))
+ ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info),
+ buf, sizeof (buf))
+ : gettext ("<INVALID RELOC>"),
+ elf_strptr (ebl->elf, shstrndx, destshdr->sh_name));
+ }
+ }
+ }
+}
+
+
+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)
+{
+ int elfclass = gelf_getclass (ebl->elf);
+ int nentries = shdr->sh_size / shdr->sh_entsize;
+
+ for (int cnt = 0; cnt < nentries; ++cnt)
+ {
+ GElf_Rela relmem;
+ GElf_Rela *rel;
+
+ rel = gelf_getrela (data, cnt, &relmem);
+ if (rel != NULL)
+ {
+ char buf[128];
+ GElf_Sym symmem;
+ GElf_Sym *sym;
+ Elf32_Word xndx;
+
+ sym = gelf_getsymshndx (symdata, xndxdata, GELF_R_SYM (rel->r_info),
+ &symmem, &xndx);
+ if (sym == NULL)
+ printf ("%0*" PRIx64 " %-20s <%s %ld>",
+ elfclass == ELFCLASS32 ? 8 : 16, rel->r_offset,
+ ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info))
+ ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info),
+ buf, sizeof (buf))
+ : gettext ("<INVALID RELOC>"),
+ gettext ("INVALID SYMBOL"),
+ (long int) GELF_R_SYM (rel->r_info));
+ else if (GELF_ST_TYPE (sym->st_info) != STT_SECTION)
+ printf ("%0*" PRIx64 " %-20s %s",
+ elfclass == ELFCLASS32 ? 8 : 16, rel->r_offset,
+ ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info))
+ ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info),
+ buf, sizeof (buf))
+ : gettext ("<INVALID RELOC>"),
+ 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)
+ printf ("%0*" PRIx64 " %-20s <%s %ld>",
+ elfclass == ELFCLASS32 ? 8 : 16, rel->r_offset,
+ ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info))
+ ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info),
+ buf, sizeof (buf))
+ : gettext ("<INVALID RELOC>"),
+ gettext ("INVALID SECTION"),
+ (long int) (sym->st_shndx == SHN_XINDEX
+ ? xndx : sym->st_shndx));
+ else
+ printf ("%0*" PRIx64 " %-20s %s",
+ elfclass == ELFCLASS32 ? 8 : 16, rel->r_offset,
+ ebl_reloc_type_check (ebl, GELF_R_TYPE (rel->r_info))
+ ? ebl_reloc_type_name (ebl, GELF_R_TYPE (rel->r_info),
+ buf, sizeof (buf))
+ : gettext ("<INVALID RELOC>"),
+ elf_strptr (ebl->elf, shstrndx, destshdr->sh_name));
+ }
+
+ if (rel->r_addend != 0)
+ printf ("+%#" PRIx64, rel->r_addend);
+ putchar ('\n');
+ }
+ }
+}
+
+
+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;
+
+ do
+ {
+ if (runp->is_name)
+ {
+ if (strcmp (runp->name,
+ elf_strptr (elf, shstrndx, shdr->sh_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);
+
+ printf (gettext ("RELOCATION 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);
+
+ /* 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);
+ }
+ }
+
+ fputs_unlocked ("\n\n", stdout);
+
+ 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;
+}
+
+
+static int
+show_disasm (Ebl *ebl __attribute__ ((unused)),
+ const char *fname __attribute__ ((unused)),
+ uint32_t shstrndx __attribute__ ((unused)))
+{
+ /// XXX For now nothing.
+
+ 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 (gettext ("%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_getshstrndx (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;
+}
projects / thirdparty / elfutils.git / commitdiff
