diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/libc_fatal.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/libc_fatal.c | 37 |
1 files changed, 2 insertions, 35 deletions
diff --git a/sysdeps/unix/sysv/linux/libc_fatal.c b/sysdeps/unix/sysv/linux/libc_fatal.c index bd65403c61..9c9b91f7fe 100644 --- a/sysdeps/unix/sysv/linux/libc_fatal.c +++ b/sysdeps/unix/sysv/linux/libc_fatal.c @@ -1,5 +1,5 @@ /* Catastrophic failure reports. Linux version. - Copyright (C) 1993-2018 Free Software Foundation, Inc. + Copyright (C) 1993-2019 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -14,14 +14,9 @@ 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/>. */ + <https://www.gnu.org/licenses/>. */ #include <errno.h> -#include <execinfo.h> -#include <fcntl.h> -#include <not-cancel.h> -#include <string.h> -#include <sys/mman.h> #include <sys/uio.h> static bool @@ -37,32 +32,4 @@ writev_for_fatal (int fd, const struct iovec *iov, size_t niov, size_t total) } #define WRITEV_FOR_FATAL writev_for_fatal -static void -backtrace_and_maps (int do_abort, bool written, int fd) -{ - if (do_abort > 1 && written) - { - void *addrs[64]; -#define naddrs (sizeof (addrs) / sizeof (addrs[0])) - int n = __backtrace (addrs, naddrs); - if (n > 2) - { -#define strnsize(str) str, strlen (str) -#define writestr(str) __write_nocancel (fd, str) - writestr (strnsize ("======= Backtrace: =========\n")); - __backtrace_symbols_fd (addrs + 1, n - 1, fd); - - writestr (strnsize ("======= Memory map: ========\n")); - int fd2 = __open_nocancel ("/proc/self/maps", O_RDONLY); - char buf[1024]; - ssize_t n2; - while ((n2 = __read_nocancel (fd2, buf, sizeof (buf))) > 0) - if (__write_nocancel (fd, buf, n2) != n2) - break; - __close_nocancel_nostatus (fd2); - } - } -} -#define BEFORE_ABORT backtrace_and_maps - #include <sysdeps/posix/libc_fatal.c> |