/* Return list with names for address in backtrace.
- Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1998,1999,2000,2001,2003,2009 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+#include <assert.h>
#include <execinfo.h>
+#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <ldsodefs.h>
-/* Assume the worst for the width of an address. */
-#define WORD_WIDTH 16
+#if __ELF_NATIVE_CLASS == 32
+# define WORD_WIDTH 8
+#else
+/* We assyme 64bits. */
+# define WORD_WIDTH 16
+#endif
char **
void *const *array;
int size;
{
+ Dl_info info[size];
+ int status[size];
int cnt;
size_t total = 0;
char **result;
- /* We can compute the text size needed for the symbols since we print
- them all as "[+0x<addr>]". */
- total = size * (WORD_WIDTH + 6);
+ /* Fill in the information we can get from `dladdr'. */
+ for (cnt = 0; cnt < size; ++cnt)
+ {
+ struct link_map *map;
+ status[cnt] = _dl_addr (array[cnt], &info[cnt], &map, NULL);
+ if (status[cnt] && info[cnt].dli_fname && info[cnt].dli_fname[0] != '\0')
+ {
+ /* We have some info, compute the length of the string which will be
+ "<file-name>(<sym-name>+offset) [address]. */
+ total += (strlen (info[cnt].dli_fname ?: "")
+ + strlen (info[cnt].dli_sname ?: "")
+ + 3 + WORD_WIDTH + 3 + WORD_WIDTH + 5);
+
+ /* The load bias is more useful to the user than the load
+ address. The use of these addresses is to calculate an
+ address in the ELF file, so its prelinked bias is not
+ something we want to subtract out. */
+ info[cnt].dli_fbase = (void *) map->l_addr;
+ }
+ else
+ total += 5 + WORD_WIDTH;
+ }
/* Allocate memory for the result. */
- result = malloc (size * sizeof (char *) + total);
+ result = (char **) malloc (size * sizeof (char *) + total);
if (result != NULL)
{
char *last = (char *) (result + size);
for (cnt = 0; cnt < size; ++cnt)
{
result[cnt] = last;
- last += 1 + sprintf (last, "[+%p]", array[cnt]);
+
+ if (status[cnt]
+ && info[cnt].dli_fname != NULL && info[cnt].dli_fname[0] != '\0')
+ {
+ if (info[cnt].dli_sname == NULL)
+ /* We found no symbol name to use, so describe it as
+ relative to the file. */
+ info[cnt].dli_saddr = info[cnt].dli_fbase;
+
+ if (info[cnt].dli_sname == NULL && info[cnt].dli_saddr == 0)
+ last += 1 + sprintf (last, "%s(%s) [%p]",
+ info[cnt].dli_fname ?: "",
+ info[cnt].dli_sname ?: "",
+ array[cnt]);
+ else
+ {
+ char sign;
+ ptrdiff_t offset;
+ if (array[cnt] >= (void *) info[cnt].dli_saddr)
+ {
+ sign = '+';
+ offset = array[cnt] - info[cnt].dli_saddr;
+ }
+ else
+ {
+ sign = '-';
+ offset = info[cnt].dli_saddr - array[cnt];
+ }
+
+ last += 1 + sprintf (last, "%s(%s%c%#tx) [%p]",
+ info[cnt].dli_fname ?: "",
+ info[cnt].dli_sname ?: "",
+ sign, offset, array[cnt]);
+ }
+ }
+ else
+ last += 1 + sprintf (last, "[%p]", array[cnt]);
}
+ assert (last <= (char *) result + size * sizeof (char *) + total);
}
return result;
/* Write formatted list with names for addresses in backtrace to a file.
- Copyright (C) 1998, 2003, 2005 Free Software Foundation, Inc.
+ Copyright (C) 1998,2000,2003,2005,2009,2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
#include <sys/uio.h>
#include <stdio-common/_itoa.h>
-#include <not-cancel.h>
+#include <ldsodefs.h>
#if __ELF_NATIVE_CLASS == 32
# define WORD_WIDTH 8
int size;
int fd;
{
- struct iovec iov[3];
+ struct iovec iov[9];
int cnt;
for (cnt = 0; cnt < size; ++cnt)
{
char buf[WORD_WIDTH];
+ char buf2[WORD_WIDTH];
+ Dl_info info;
+ struct link_map *map;
+ size_t last = 0;
- iov[0].iov_base = (void *) "[0x";
- iov[0].iov_len = 3;
+ if (_dl_addr (array[cnt], &info, &map, NULL)
+ && info.dli_fname != NULL && info.dli_fname[0] != '\0')
+ {
+ /* Name of the file. */
+ iov[0].iov_base = (void *) info.dli_fname;
+ iov[0].iov_len = strlen (info.dli_fname);
+ last = 1;
- iov[1].iov_base = _itoa_word ((unsigned long int) array[cnt],
- &buf[WORD_WIDTH], 16, 0);
- iov[1].iov_len = &buf[WORD_WIDTH] - (char *) iov[1].iov_base;
+ if (info.dli_sname != NULL || map->l_addr != 0)
+ {
+ size_t diff;
- iov[2].iov_base = (void *) "]\n";
- iov[2].iov_len = 2;
+ iov[last].iov_base = (void *) "(";
+ iov[last].iov_len = 1;
+ ++last;
- /* We prefer to use the non-cancelable interface if it is available. */
- writev_not_cancel_no_status (fd, iov, 3);
+ if (info.dli_sname != NULL)
+ {
+ /* We have a symbol name. */
+ iov[last].iov_base = (void *) info.dli_sname;
+ iov[last].iov_len = strlen (info.dli_sname);
+ ++last;
+ }
+ else
+ /* We have no symbol, so describe it as relative to the file.
+ The load bias is more useful to the user than the load
+ address. The use of these addresses is to calculate an
+ address in the ELF file, so its prelinked bias is not
+ something we want to subtract out. */
+ info.dli_saddr = (void *) map->l_addr;
+
+ if (array[cnt] >= (void *) info.dli_saddr)
+ {
+ iov[last].iov_base = (void *) "+0x";
+ diff = array[cnt] - info.dli_saddr;
+ }
+ else
+ {
+ iov[last].iov_base = (void *) "-0x";
+ diff = info.dli_saddr - array[cnt];
+ }
+ iov[last].iov_len = 3;
+ ++last;
+
+ iov[last].iov_base = _itoa_word ((unsigned long int) diff,
+ &buf2[WORD_WIDTH], 16, 0);
+ iov[last].iov_len = (&buf2[WORD_WIDTH]
+ - (char *) iov[last].iov_base);
+ ++last;
+
+ iov[last].iov_base = (void *) ")";
+ iov[last].iov_len = 1;
+ ++last;
+ }
+ }
+
+ iov[last].iov_base = (void *) "[0x";
+ iov[last].iov_len = 3;
+ ++last;
+
+ iov[last].iov_base = _itoa_word ((unsigned long int) array[cnt],
+ &buf[WORD_WIDTH], 16, 0);
+ iov[last].iov_len = &buf[WORD_WIDTH] - (char *) iov[last].iov_base;
+ ++last;
+
+ iov[last].iov_base = (void *) "]\n";
+ iov[last].iov_len = 2;
+ ++last;
+
+ __writev (fd, iov, last);
}
}
weak_alias (__backtrace_symbols_fd, backtrace_symbols_fd)
+++ /dev/null
-/* Return list with names for address in backtrace.
- Copyright (C) 1998,1999,2000,2001,2003,2009 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <assert.h>
-#include <execinfo.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <ldsodefs.h>
-
-#if __ELF_NATIVE_CLASS == 32
-# define WORD_WIDTH 8
-#else
-/* We assyme 64bits. */
-# define WORD_WIDTH 16
-#endif
-
-
-char **
-__backtrace_symbols (array, size)
- void *const *array;
- int size;
-{
- Dl_info info[size];
- int status[size];
- int cnt;
- size_t total = 0;
- char **result;
-
- /* Fill in the information we can get from `dladdr'. */
- for (cnt = 0; cnt < size; ++cnt)
- {
- struct link_map *map;
- status[cnt] = _dl_addr (array[cnt], &info[cnt], &map, NULL);
- if (status[cnt] && info[cnt].dli_fname && info[cnt].dli_fname[0] != '\0')
- {
- /* We have some info, compute the length of the string which will be
- "<file-name>(<sym-name>+offset) [address]. */
- total += (strlen (info[cnt].dli_fname ?: "")
- + strlen (info[cnt].dli_sname ?: "")
- + 3 + WORD_WIDTH + 3 + WORD_WIDTH + 5);
-
- /* The load bias is more useful to the user than the load
- address. The use of these addresses is to calculate an
- address in the ELF file, so its prelinked bias is not
- something we want to subtract out. */
- info[cnt].dli_fbase = (void *) map->l_addr;
- }
- else
- total += 5 + WORD_WIDTH;
- }
-
- /* Allocate memory for the result. */
- result = (char **) malloc (size * sizeof (char *) + total);
- if (result != NULL)
- {
- char *last = (char *) (result + size);
-
- for (cnt = 0; cnt < size; ++cnt)
- {
- result[cnt] = last;
-
- if (status[cnt]
- && info[cnt].dli_fname != NULL && info[cnt].dli_fname[0] != '\0')
- {
- if (info[cnt].dli_sname == NULL)
- /* We found no symbol name to use, so describe it as
- relative to the file. */
- info[cnt].dli_saddr = info[cnt].dli_fbase;
-
- if (info[cnt].dli_sname == NULL && info[cnt].dli_saddr == 0)
- last += 1 + sprintf (last, "%s(%s) [%p]",
- info[cnt].dli_fname ?: "",
- info[cnt].dli_sname ?: "",
- array[cnt]);
- else
- {
- char sign;
- ptrdiff_t offset;
- if (array[cnt] >= (void *) info[cnt].dli_saddr)
- {
- sign = '+';
- offset = array[cnt] - info[cnt].dli_saddr;
- }
- else
- {
- sign = '-';
- offset = info[cnt].dli_saddr - array[cnt];
- }
-
- last += 1 + sprintf (last, "%s(%s%c%#tx) [%p]",
- info[cnt].dli_fname ?: "",
- info[cnt].dli_sname ?: "",
- sign, offset, array[cnt]);
- }
- }
- else
- last += 1 + sprintf (last, "[%p]", array[cnt]);
- }
- assert (last <= (char *) result + size * sizeof (char *) + total);
- }
-
- return result;
-}
-weak_alias (__backtrace_symbols, backtrace_symbols)
+++ /dev/null
-/* Write formatted list with names for addresses in backtrace to a file.
- Copyright (C) 1998,2000,2003,2005,2009,2011 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <execinfo.h>
-#include <string.h>
-#include <sys/uio.h>
-
-#include <stdio-common/_itoa.h>
-#include <ldsodefs.h>
-
-#if __ELF_NATIVE_CLASS == 32
-# define WORD_WIDTH 8
-#else
-/* We assume 64bits. */
-# define WORD_WIDTH 16
-#endif
-
-
-void
-__backtrace_symbols_fd (array, size, fd)
- void *const *array;
- int size;
- int fd;
-{
- struct iovec iov[9];
- int cnt;
-
- for (cnt = 0; cnt < size; ++cnt)
- {
- char buf[WORD_WIDTH];
- char buf2[WORD_WIDTH];
- Dl_info info;
- struct link_map *map;
- size_t last = 0;
-
- if (_dl_addr (array[cnt], &info, &map, NULL)
- && info.dli_fname != NULL && info.dli_fname[0] != '\0')
- {
- /* Name of the file. */
- iov[0].iov_base = (void *) info.dli_fname;
- iov[0].iov_len = strlen (info.dli_fname);
- last = 1;
-
- if (info.dli_sname != NULL || map->l_addr != 0)
- {
- size_t diff;
-
- iov[last].iov_base = (void *) "(";
- iov[last].iov_len = 1;
- ++last;
-
- if (info.dli_sname != NULL)
- {
- /* We have a symbol name. */
- iov[last].iov_base = (void *) info.dli_sname;
- iov[last].iov_len = strlen (info.dli_sname);
- ++last;
- }
- else
- /* We have no symbol, so describe it as relative to the file.
- The load bias is more useful to the user than the load
- address. The use of these addresses is to calculate an
- address in the ELF file, so its prelinked bias is not
- something we want to subtract out. */
- info.dli_saddr = (void *) map->l_addr;
-
- if (array[cnt] >= (void *) info.dli_saddr)
- {
- iov[last].iov_base = (void *) "+0x";
- diff = array[cnt] - info.dli_saddr;
- }
- else
- {
- iov[last].iov_base = (void *) "-0x";
- diff = info.dli_saddr - array[cnt];
- }
- iov[last].iov_len = 3;
- ++last;
-
- iov[last].iov_base = _itoa_word ((unsigned long int) diff,
- &buf2[WORD_WIDTH], 16, 0);
- iov[last].iov_len = (&buf2[WORD_WIDTH]
- - (char *) iov[last].iov_base);
- ++last;
-
- iov[last].iov_base = (void *) ")";
- iov[last].iov_len = 1;
- ++last;
- }
- }
-
- iov[last].iov_base = (void *) "[0x";
- iov[last].iov_len = 3;
- ++last;
-
- iov[last].iov_base = _itoa_word ((unsigned long int) array[cnt],
- &buf[WORD_WIDTH], 16, 0);
- iov[last].iov_len = &buf[WORD_WIDTH] - (char *) iov[last].iov_base;
- ++last;
-
- iov[last].iov_base = (void *) "]\n";
- iov[last].iov_len = 2;
- ++last;
-
- __writev (fd, iov, last);
- }
-}
-weak_alias (__backtrace_symbols_fd, backtrace_symbols_fd)
-libc_hidden_def (__backtrace_symbols_fd)
projects / thirdparty / glibc.git / commitdiff
