/* addr2line.c -- convert addresses to line number and function name
- Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
- 2007, 2009 Free Software Foundation, Inc.
+ Copyright (C) 1997-2019 Free Software Foundation, Inc.
This file is part of GNU Binutils.
#include "libiberty.h"
#include "demangle.h"
#include "bucomm.h"
+#include "elf-bfd.h"
static bfd_boolean unwind_inlines; /* -i, unwind inlined functions. */
static bfd_boolean with_addresses; /* -a, show addresses. */
static bfd_boolean with_functions; /* -f, show function names. */
static bfd_boolean do_demangle; /* -C, demangle names. */
+static bfd_boolean pretty_print; /* -p, print on one line. */
static bfd_boolean base_names; /* -s, strip directory names. */
+/* Flags passed to the name demangler. */
+static int demangle_flags = DMGL_PARAMS | DMGL_ANSI;
+
static int naddr; /* Number of addresses to process. */
static char **addr; /* Hex addresses to process. */
{"exe", required_argument, NULL, 'e'},
{"functions", no_argument, NULL, 'f'},
{"inlines", no_argument, NULL, 'i'},
+ {"pretty-print", no_argument, NULL, 'p'},
+ {"recurse-limit", no_argument, NULL, 'R'},
+ {"recursion-limit", no_argument, NULL, 'R'},
+ {"no-recurse-limit", no_argument, NULL, 'r'},
+ {"no-recursion-limit", no_argument, NULL, 'r'},
{"section", required_argument, NULL, 'j'},
{"target", required_argument, NULL, 'b'},
{"help", no_argument, NULL, 'H'},
-e --exe=<executable> Set the input file name (default is a.out)\n\
-i --inlines Unwind inlined functions\n\
-j --section=<name> Read section-relative offsets instead of addresses\n\
+ -p --pretty-print Make the output easier to read for humans\n\
-s --basenames Strip directory names\n\
-f --functions Show function names\n\
-C --demangle[=style] Demangle function names\n\
+ -R --recurse-limit Enable a limit on recursion whilst demangling. [Default]\n\
+ -r --no-recurse-limit Disable a limit on recursion whilst demangling\n\
-h --help Display this information\n\
-v --version Display the program's version\n\
\n"));
symcount = bfd_canonicalize_symtab (abfd, syms);
if (symcount < 0)
bfd_fatal (bfd_get_filename (abfd));
+
+ /* If there are no symbols left after canonicalization and
+ we have not tried the dynamic symbols then give them a go. */
+ if (symcount == 0
+ && ! dynamic
+ && (storage = bfd_get_dynamic_symtab_upper_bound (abfd)) > 0)
+ {
+ free (syms);
+ syms = xmalloc (storage);
+ symcount = bfd_canonicalize_dynamic_symtab (abfd, syms);
+ }
+
+ /* PR 17512: file: 2a1d3b5b.
+ Do not pretend that we have some symbols when we don't. */
+ if (symcount <= 0)
+ {
+ free (syms);
+ syms = NULL;
+ }
}
\f
/* These global variables are used to pass information between
static const char *filename;
static const char *functionname;
static unsigned int line;
+static unsigned int discriminator;
static bfd_boolean found;
/* Look for an address in a section. This is called via
if (found)
return;
- if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
+ if ((bfd_section_flags (section) & SEC_ALLOC) == 0)
return;
- vma = bfd_get_section_vma (abfd, section);
+ vma = bfd_section_vma (section);
if (pc < vma)
return;
- size = bfd_get_section_size (section);
+ size = bfd_section_size (section);
if (pc >= vma + size)
return;
- found = bfd_find_nearest_line (abfd, section, syms, pc - vma,
- &filename, &functionname, &line);
+ found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc - vma,
+ &filename, &functionname,
+ &line, &discriminator);
}
/* Look for an offset in a section. This is directly called. */
if (found)
return;
- if ((bfd_get_section_flags (abfd, section) & SEC_ALLOC) == 0)
+ if ((bfd_section_flags (section) & SEC_ALLOC) == 0)
return;
- size = bfd_get_section_size (section);
+ size = bfd_section_size (section);
if (pc >= size)
return;
- found = bfd_find_nearest_line (abfd, section, syms, pc,
- &filename, &functionname, &line);
+ found = bfd_find_nearest_line_discriminator (abfd, section, syms, pc,
+ &filename, &functionname,
+ &line, &discriminator);
}
/* Read hexadecimal addresses from stdin, translate into
pc = bfd_scan_vma (*addr++, NULL, 16);
}
+ if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
+ {
+ const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+ bfd_vma sign = (bfd_vma) 1 << (bed->s->arch_size - 1);
+
+ pc &= (sign << 1) - 1;
+ if (bed->sign_extend_vma)
+ pc = (pc ^ sign) - sign;
+ }
+
if (with_addresses)
{
printf ("0x");
bfd_printf_vma (abfd, pc);
- printf ("\n");
+
+ if (pretty_print)
+ printf (": ");
+ else
+ printf ("\n");
}
found = FALSE;
if (! found)
{
if (with_functions)
- printf ("??\n");
+ {
+ if (pretty_print)
+ printf ("?? ");
+ else
+ printf ("??\n");
+ }
printf ("??:0\n");
}
else
{
- do {
- if (with_functions)
- {
- const char *name;
- char *alloc = NULL;
-
- name = functionname;
- if (name == NULL || *name == '\0')
- name = "??";
- else if (do_demangle)
- {
- alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS);
- if (alloc != NULL)
- name = alloc;
- }
-
- printf ("%s\n", name);
-
- if (alloc != NULL)
- free (alloc);
- }
-
- if (base_names && filename != NULL)
- {
- char *h;
-
- h = strrchr (filename, '/');
- if (h != NULL)
- filename = h + 1;
- }
-
- printf ("%s:%u\n", filename ? filename : "??", line);
- if (!unwind_inlines)
- found = FALSE;
- else
- found = bfd_find_inliner_info (abfd, &filename, &functionname, &line);
- } while (found);
-
+ while (1)
+ {
+ if (with_functions)
+ {
+ const char *name;
+ char *alloc = NULL;
+
+ name = functionname;
+ if (name == NULL || *name == '\0')
+ name = "??";
+ else if (do_demangle)
+ {
+ alloc = bfd_demangle (abfd, name, demangle_flags);
+ if (alloc != NULL)
+ name = alloc;
+ }
+
+ printf ("%s", name);
+ if (pretty_print)
+ /* Note for translators: This printf is used to join the
+ function name just printed above to the line number/
+ file name pair that is about to be printed below. Eg:
+
+ foo at 123:bar.c */
+ printf (_(" at "));
+ else
+ printf ("\n");
+
+ if (alloc != NULL)
+ free (alloc);
+ }
+
+ if (base_names && filename != NULL)
+ {
+ char *h;
+
+ h = strrchr (filename, '/');
+ if (h != NULL)
+ filename = h + 1;
+ }
+
+ printf ("%s:", filename ? filename : "??");
+ if (line != 0)
+ {
+ if (discriminator != 0)
+ printf ("%u (discriminator %u)\n", line, discriminator);
+ else
+ printf ("%u\n", line);
+ }
+ else
+ printf ("?\n");
+ if (!unwind_inlines)
+ found = FALSE;
+ else
+ found = bfd_find_inliner_info (abfd, &filename, &functionname,
+ &line);
+ if (! found)
+ break;
+ if (pretty_print)
+ /* Note for translators: This printf is used to join the
+ line number/file name pair that has just been printed with
+ the line number/file name pair that is going to be printed
+ by the next iteration of the while loop. Eg:
+
+ 123:bar.c (inlined by) 456:main.c */
+ printf (_(" (inlined by) "));
+ }
}
/* fflush() is essential for using this command as a server
if (abfd == NULL)
bfd_fatal (file_name);
+ /* Decompress sections. */
+ abfd->flags |= BFD_DECOMPRESS;
+
if (bfd_check_format (abfd, bfd_archive))
fatal (_("%s: cannot get addresses from archive"), file_name);
program_name = *argv;
xmalloc_set_program_name (program_name);
+ bfd_set_error_program_name (program_name);
expandargv (&argc, &argv);
- bfd_init ();
+ if (bfd_init () != BFD_INIT_MAGIC)
+ fatal (_("fatal error: libbfd ABI mismatch"));
set_default_bfd_target ();
file_name = NULL;
section_name = NULL;
target = NULL;
- while ((c = getopt_long (argc, argv, "ab:Ce:sfHhij:Vv", long_options, (int *) 0))
+ while ((c = getopt_long (argc, argv, "ab:Ce:rRsfHhij:pVv", long_options, (int *) 0))
!= EOF)
{
switch (c)
cplus_demangle_set_style (style);
}
break;
+ case 'r':
+ demangle_flags |= DMGL_NO_RECURSE_LIMIT;
+ break;
+ case 'R':
+ demangle_flags &= ~ DMGL_NO_RECURSE_LIMIT;
+ break;
case 'e':
file_name = optarg;
break;
case 'f':
with_functions = TRUE;
break;
+ case 'p':
+ pretty_print = TRUE;
+ break;
case 'v':
case 'V':
print_version ("addr2line");
projects / binutils.git / blobdiff