/* addr2line.c -- convert addresses to line number and function name
- Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2006, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 1997-2022 Free Software Foundation, Inc.
Contributed by Ulrich Lauther <Ulrich.Lauther@mchp.siemens.de>
This file is part of GNU Binutils.
#include "libiberty.h"
#include "demangle.h"
#include "bucomm.h"
+#include "elf-bfd.h"
+#include "safe-ctype.h"
-static bfd_boolean unwind_inlines; /* -i, unwind inlined functions. */
-static bfd_boolean with_functions; /* -f, show function names. */
-static bfd_boolean do_demangle; /* -C, demangle names. */
-static bfd_boolean base_names; /* -s, strip directory names. */
+static bool unwind_inlines; /* -i, unwind inlined functions. */
+static bool with_addresses; /* -a, show addresses. */
+static bool with_functions; /* -f, show function names. */
+static bool do_demangle; /* -C, demangle names. */
+static bool pretty_print; /* -p, print on one line. */
+static bool 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. */
+static long symcount;
static asymbol **syms; /* Symbol table. */
static struct option long_options[] =
{
+ {"addresses", no_argument, NULL, 'a'},
{"basenames", no_argument, NULL, 's'},
{"demangle", optional_argument, NULL, 'C'},
{"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'},
fprintf (stream, _(" If no addresses are specified on the command line, they will be read from stdin\n"));
fprintf (stream, _(" The options are:\n\
@<file> Read options from <file>\n\
+ -a --addresses Show addresses\n\
-b --target=<bfdname> Set the binary file format\n\
-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"));
static void
slurp_symtab (bfd *abfd)
{
- long symcount;
- unsigned int size;
+ long storage;
+ bool dynamic = false;
if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
return;
- symcount = bfd_read_minisymbols (abfd, FALSE, (void *) &syms, &size);
- if (symcount == 0)
- symcount = bfd_read_minisymbols (abfd, TRUE /* dynamic */, (void *) &syms, &size);
+ storage = bfd_get_symtab_upper_bound (abfd);
+ if (storage == 0)
+ {
+ storage = bfd_get_dynamic_symtab_upper_bound (abfd);
+ dynamic = true;
+ }
+ if (storage < 0)
+ bfd_fatal (bfd_get_filename (abfd));
+ syms = (asymbol **) xmalloc (storage);
+ if (dynamic)
+ symcount = bfd_canonicalize_dynamic_symtab (abfd, syms);
+ else
+ 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 bfd_boolean found;
+static unsigned int discriminator;
+static bool found;
/* Look for an address in a section. This is called via
bfd_map_over_sections. */
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
+/* Lookup a symbol with offset in symbol table. */
+
+static bfd_vma
+lookup_symbol (bfd *abfd, char *sym, size_t offset)
+{
+ long i;
+
+ for (i = 0; i < symcount; i++)
+ {
+ if (!strcmp (syms[i]->name, sym))
+ return syms[i]->value + offset + bfd_asymbol_section (syms[i])->vma;
+ }
+ /* Try again mangled */
+ for (i = 0; i < symcount; i++)
+ {
+ char *d = bfd_demangle (abfd, syms[i]->name, demangle_flags);
+ bool match = d && !strcmp (d, sym);
+ free (d);
+
+ if (match)
+ return syms[i]->value + offset + bfd_asymbol_section (syms[i])->vma;
+ }
+ return 0;
+}
+
+/* Split an symbol+offset expression. adr is modified. */
+
+static bool
+is_symbol (char *adr, char **symp, size_t *offset)
+{
+ char *end;
+
+ while (ISSPACE (*adr))
+ adr++;
+ if (ISDIGIT (*adr) || *adr == 0)
+ return false;
+ /* Could be either symbol or hex number. Check if it has +. */
+ if (TOUPPER(*adr) >= 'A' && TOUPPER(*adr) <= 'F' && !strchr (adr, '+'))
+ return false;
+
+ *symp = adr;
+ while (*adr && !ISSPACE (*adr) && *adr != '+')
+ adr++;
+ end = adr;
+ while (ISSPACE (*adr))
+ adr++;
+ *offset = 0;
+ if (*adr == '+')
+ {
+ adr++;
+ *offset = strtoul(adr, NULL, 0);
+ }
+ *end = 0;
+ return true;
+}
+
+/* Read hexadecimal or symbolic with offset addresses from stdin, translate into
file_name:line_number and optionally function name. */
static void
translate_addresses (bfd *abfd, asection *section)
{
int read_stdin = (naddr == 0);
+ char *adr;
+ char addr_hex[100];
+ char *symp;
+ size_t offset;
for (;;)
{
if (read_stdin)
{
- char addr_hex[100];
-
if (fgets (addr_hex, sizeof addr_hex, stdin) == NULL)
break;
- pc = bfd_scan_vma (addr_hex, NULL, 16);
+ adr = addr_hex;
}
else
{
if (naddr <= 0)
break;
--naddr;
- pc = bfd_scan_vma (*addr++, NULL, 16);
+ adr = *addr++;
+ }
+
+ if (is_symbol (adr, &symp, &offset))
+ pc = lookup_symbol (abfd, symp, offset);
+ else
+ pc = bfd_scan_vma (adr, 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;
}
- found = FALSE;
+ if (with_addresses)
+ {
+ printf ("0x");
+ bfd_printf_vma (abfd, pc);
+
+ if (pretty_print)
+ printf (": ");
+ else
+ printf ("\n");
+ }
+
+ found = false;
if (section)
find_offset_in_section (abfd, section);
else
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");
+ 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);
translate_addresses (abfd, section);
- if (syms != NULL)
- {
- free (syms);
- syms = NULL;
- }
+ free (syms);
+ syms = NULL;
bfd_close (abfd);
char *target;
int c;
-#if defined (HAVE_SETLOCALE) && defined (HAVE_LC_MESSAGES)
+#ifdef HAVE_LC_MESSAGES
setlocale (LC_MESSAGES, "");
#endif
-#if defined (HAVE_SETLOCALE)
setlocale (LC_CTYPE, "");
-#endif
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
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, "b:Ce:sfHhij:Vv", long_options, (int *) 0))
+ while ((c = getopt_long (argc, argv, "ab:Ce:rRsfHhij:pVv", long_options, (int *) 0))
!= EOF)
{
switch (c)
{
case 0:
break; /* We've been given a long option. */
+ case 'a':
+ with_addresses = true;
+ break;
case 'b':
target = optarg;
break;
case 'C':
- do_demangle = TRUE;
+ do_demangle = true;
if (optarg != NULL)
{
enum demangling_styles style;
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 's':
- base_names = TRUE;
+ base_names = true;
break;
case 'f':
- with_functions = TRUE;
+ with_functions = true;
break;
+ case 'p':
+ pretty_print = true;
+ break;
case 'v':
case 'V':
print_version ("addr2line");
usage (stdout, 0);
break;
case 'i':
- unwind_inlines = TRUE;
+ unwind_inlines = true;
break;
case 'j':
section_name = optarg;
projects / binutils-gdb.git / blobdiff