gdb/testsuite/gdb.base/relativedebug.exp

   1 # Copyright 2007-2023 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 if [target_info exists gdb,nosignals] {
  17     verbose "Skipping relativedebug.exp because of nosignals."
  18     return
  19 }
  20
  21 standard_testfile .c
  22
  23 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
  24     untested "failed to compile"
  25     return -1
  26 }
  27
  28 # Get things started.
  29
  30 clean_restart ${binfile}
  31
  32 runto_main
  33
  34 set test "info sharedlibrary"
  35 gdb_test_multiple $test $test {
  36     -re ".*\(\\*\)\[^\r\n\]*/libc\.so.*$gdb_prompt $" {
  37         # Skip the test below if libc doesn't have debug info.
  38         unsupported "libc doesn't have debug info"
  39         return -1
  40     }
  41     -re ".*$gdb_prompt $" {
  42     }
  43 }
  44
  45 # pause () -> SIGALRM -> handler () -> abort ()
  46 gdb_test "continue" "Program received signal SIGABRT.*"
  47
  48 # Backtracing through pause broke if glibc has been prelinked,
  49 # because the separate debug files in /usr/lib/debug had different
  50 # base addresses.
  51
  52 # incorrect (#6):
  53 # (gdb) bt
  54 # #0  0x00325402 in __kernel_vsyscall ()
  55 # #1  0x00718f20 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  56 # #2  0x0071a801 in *__GI_abort () at abort.c:88
  57 # #3  0x0804841f in handler (signo=14) at ./gdb.base/relativedebug.c:27
  58 # #4  <signal handler called>
  59 # #5  0x00325402 in __kernel_vsyscall ()
  60 # #6  0x0077ebc6 in ?? () from /lib/i686/nosegneg/libc.so.6
  61 # #7  0x08048455 in main () at ./gdb.base/relativedebug.c:34
  62 # (gdb)
  63
  64 # correct (#6):
  65 # (gdb) bt
  66 # #0  0x00b33402 in __kernel_vsyscall ()
  67 # #1  0x00718f20 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
  68 # #2  0x0071a801 in *__GI_abort () at abort.c:88
  69 # #3  0x0804841f in handler (signo=14) at ./gdb.base/relativedebug.c:27
  70 # #4  <signal handler called>
  71 # #5  0x00b33402 in __kernel_vsyscall ()
  72 # #6  0x0077ebc6 in __pause_nocancel () from /lib/i686/nosegneg/libc.so.6
  73 # #7  0x08048455 in main () at ./gdb.base/relativedebug.c:34
  74 # (gdb)
  75
  76 gdb_test "bt" \
  77          ".*\[^a-zA-Z\]pause\[^a-zA-Z\].*" \
  78          "pause found in backtrace"