diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2002-11-03 08:42:11 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-11-03 08:42:11 +0000 |
| commit | 45cca066c1aea789435d0ee69ea8b0170f9edcdc (patch) | |
| tree | 991d6154727d0d26d8fc1da48a41571a625826be | |
| parent | c213fe9c7dc7852784fd5303506072a9d01b8d12 (diff) | |
| download | glibc-45cca066c1aea789435d0ee69ea8b0170f9edcdc.tar.gz glibc-45cca066c1aea789435d0ee69ea8b0170f9edcdc.tar.xz glibc-45cca066c1aea789435d0ee69ea8b0170f9edcdc.zip | |
(catch_segfault): If HAVE_PROC_SELF is defined write out memory map.
| -rw-r--r-- | sysdeps/generic/segfault.c | 19 |
1 files changed, 18 insertions, 1 deletions
diff --git a/sysdeps/generic/segfault.c b/sysdeps/generic/segfault.c index dc4ac178ee..168731479a 100644 --- a/sysdeps/generic/segfault.c +++ b/sysdeps/generic/segfault.c @@ -1,5 +1,5 @@ /* Catch segmentation faults and print backtrace. - Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. @@ -169,6 +169,23 @@ catch_segfault (int signal, SIGCONTEXT ctx) /* Now generate nicely formatted output. */ __backtrace_symbols_fd (arr, cnt, fd); +#ifdef HAVE_PROC_SELF + /* Now the link map. */ + int mapfd = open ("/proc/self/maps", O_RDONLY); + if (mapfd != -1) + { + write (fd, "\nMemory map:\n\n", 14); + + char buf[256]; + ssize_t n; + + while ((n = TEMP_FAILURE_RETRY (read (mapfd, buf, sizeof (buf)))) > 0) + TEMP_FAILURE_RETRY (write (fd, buf, n)); + + close (mapfd); + } +#endif + /* Pass on the signal (so that a core file is produced). */ sa.sa_handler = SIG_DFL; sigemptyset (&sa.sa_mask); |