/* addr2line.c -- convert addresses to line number and function name
- Copyright (C) 1997-2015 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 "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_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. */
+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[] =
{"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'},
-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"));
slurp_symtab (bfd *abfd)
{
long storage;
- long symcount;
- bfd_boolean dynamic = FALSE;
+ bool dynamic = false;
if ((bfd_get_file_flags (abfd) & HAS_SYMS) == 0)
return;
if (storage == 0)
{
storage = bfd_get_dynamic_symtab_upper_bound (abfd);
- dynamic = TRUE;
+ dynamic = true;
}
if (storage < 0)
bfd_fatal (bfd_get_filename (abfd));
static const char *functionname;
static unsigned int line;
static unsigned int discriminator;
-static bfd_boolean found;
+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;
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;
&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);
printf ("\n");
}
- found = FALSE;
+ found = false;
if (section)
find_offset_in_section (abfd, section);
else
name = "??";
else if (do_demangle)
{
- alloc = bfd_demangle (abfd, name, DMGL_ANSI | DMGL_PARAMS);
+ alloc = bfd_demangle (abfd, name, demangle_flags);
if (alloc != NULL)
name = alloc;
}
else
printf ("\n");
- if (alloc != NULL)
- free (alloc);
+ free (alloc);
}
if (base_names && filename != NULL)
else
printf ("?\n");
if (!unwind_inlines)
- found = FALSE;
+ found = false;
else
found = bfd_find_inliner_info (abfd, &filename, &functionname,
&line);
{
bfd_nonfatal (bfd_get_filename (abfd));
if (bfd_get_error () == bfd_error_file_ambiguously_recognized)
- {
- list_matching_formats (matching);
- free (matching);
- }
+ list_matching_formats (matching);
xexit (1);
}
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);
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:pVv", 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;
+ 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;
+ pretty_print = true;
break;
case 'v':
case 'V':
usage (stdout, 0);
break;
case 'i':
- unwind_inlines = TRUE;
+ unwind_inlines = true;
break;
case 'j':
section_name = optarg;
projects / binutils-gdb.git / blobdiff