diff options
Diffstat (limited to 'gdb/testsuite')
| -rw-r--r-- | gdb/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/siginfo-obj.exp | 22 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/siginfo-thread.c | 83 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.base/siginfo-thread.exp | 128 |
4 files changed, 240 insertions, 0 deletions
diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog index 689cbd4..5ff056c 100644 --- a/gdb/testsuite/ChangeLog +++ b/gdb/testsuite/ChangeLog @@ -1,5 +1,12 @@ 2012-11-08 Tom Tromey <tromey@redhat.com> + * gdb.base/siginfo-obj.exp: Create core file. Test siginfo from + core files, if possible. + * gdb.base/siginfo-thread.c: New file + * gdb.base/siginfo-thread.exp: New file + +2012-11-08 Tom Tromey <tromey@redhat.com> + * gdb.base/comprdebug.exp: New file. 2012-11-06 Pedro Alves <palves@redhat.com> diff --git a/gdb/testsuite/gdb.base/siginfo-obj.exp b/gdb/testsuite/gdb.base/siginfo-obj.exp index 9ca649d..c6ab6ff 100644 --- a/gdb/testsuite/gdb.base/siginfo-obj.exp +++ b/gdb/testsuite/gdb.base/siginfo-obj.exp @@ -56,6 +56,10 @@ if { ![runto_main] } then { # Run to the signal. gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal" +# Try to generate a core file, for a later test. +set gcorefile [standard_output_file $testfile.gcore] +set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"] + set ssi_addr "" set test "Extract si_addr" gdb_test_multiple "p \$_siginfo" "$test" { @@ -123,3 +127,21 @@ gdb_test "p ssi_addr" " = \\(void \\*\\) 0x666" gdb_test "p ssi_errno" " = 666" gdb_test "p ssi_code" " = 999" gdb_test "p ssi_signo" " = 11" + +# Test siginfo preservation in core files. +if {$gcore_created} { + clean_restart $binfile + + gdb_test "core $gcorefile" "Core was generated by.*" \ + "core [file tail $gcorefile]" + + gdb_test "p \$_siginfo.si_signo" " = $ssi_signo" \ + "p \$_siginfo.si_signo from core file" + gdb_test "p \$_siginfo.si_errno" " = $ssi_errno" \ + "p \$_siginfo.si_errno from core file" + gdb_test "p \$_siginfo.si_code" " = $ssi_code" \ + "p \$_siginfo.si_code from core file" + gdb_test "p \$_siginfo._sifields._sigfault.si_addr" \ + " = \\(void \\*\\) $ssi_addr" \ + "p \$_siginfo._sifields._sigfault.si_addr from core file" +} diff --git a/gdb/testsuite/gdb.base/siginfo-thread.c b/gdb/testsuite/gdb.base/siginfo-thread.c new file mode 100644 index 0000000..a47bcb3 --- /dev/null +++ b/gdb/testsuite/gdb.base/siginfo-thread.c @@ -0,0 +1,83 @@ +/* This testcase is part of GDB, the GNU debugger. + + Copyright 2004, 2007-2008, 2010-2012 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. + +*/ + +#include <signal.h> +#include <stdlib.h> +#include <string.h> +#include <sys/mman.h> +#include <unistd.h> +#include <pthread.h> + +static void *p; + +static void +handler (int sig, siginfo_t *info, void *context) +{ + /* Copy to local vars, as the test wants to read them, and si_addr, + etc. may be preprocessor defines. */ + int ssi_errno = info->si_errno; + int ssi_signo = info->si_signo; + int ssi_code = info->si_code; + void *ssi_addr = info->si_addr; + + _exit (0); /* set breakpoint here */ +} + +static void * +segv_thread (void *ptr) +{ + *(int *)ptr = 0; +} + +int +main (void) +{ + pthread_t thr; + + /* Set up unwritable memory. */ + { + size_t len; + len = sysconf(_SC_PAGESIZE); + p = mmap (0, len, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0); + if (p == MAP_FAILED) + { + perror ("mmap"); + return 1; + } + } + /* Set up the signal handler. */ + { + struct sigaction action; + memset (&action, 0, sizeof (action)); + action.sa_sigaction = handler; + action.sa_flags |= SA_SIGINFO; + if (sigaction (SIGSEGV, &action, NULL)) + { + perror ("sigaction"); + return 1; + } + } + + /* Create a thread that will trigger SIGSEGV. */ + pthread_create (&thr, NULL, segv_thread, p); + + pthread_join (thr, NULL); + + return 0; +} diff --git a/gdb/testsuite/gdb.base/siginfo-thread.exp b/gdb/testsuite/gdb.base/siginfo-thread.exp new file mode 100644 index 0000000..315ac01 --- /dev/null +++ b/gdb/testsuite/gdb.base/siginfo-thread.exp @@ -0,0 +1,128 @@ +# Copyright 2004, 2007-2008, 2010-2012 Free Software Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program 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 General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + + +# Multi-threaded siginfo test. + +if [target_info exists gdb,nosignals] { + verbose "Skipping siginfo-thread.exp because of nosignals." + continue +} + +if { ! [istarget "i?86-*-linux*"] + && ! [istarget "x86_64-*-linux*"] + && ! [istarget "arm*-*-linux*"] } { + verbose "Skipping siginfo-thread.exp because of lack of support." + return +} + +standard_testfile .c + +if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" \ + "${binfile}" executable {debug}] != "" } { + return -1 +} + +clean_restart $binfile + +# Advance to main +if { ![runto_main] } then { + gdb_suppress_tests +} + +# Run to the signal. +gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal" + +# Try to generate a core file, for a later test. +set gcorefile [standard_output_file $testfile.gcore] +set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"] + +set ssi_addr "" +set test "Extract si_addr" +gdb_test_multiple "p \$_siginfo" "$test" { + -re "si_addr = ($hex).*$gdb_prompt $" { + set ssi_addr $expect_out(1,string) + pass "$test" + } +} + +set test "Extract si_errno" +gdb_test_multiple "p \$_siginfo" "$test" { + -re "si_errno = (\[0-9\]\+).*$gdb_prompt $" { + set ssi_errno $expect_out(1,string) + pass "$test" + } +} + +set test "Extract si_code" +gdb_test_multiple "p \$_siginfo" "$test" { + -re "si_code = (\[0-9\]\+).*$gdb_prompt $" { + set ssi_code $expect_out(1,string) + pass "$test" + } +} + +set test "Extract si_signo" +gdb_test_multiple "p \$_siginfo" "$test" { + -re "si_signo = (\[0-9\]\+).*$gdb_prompt $" { + set ssi_signo $expect_out(1,string) + pass "$test" + } +} + +set bp_location [gdb_get_line_number "set breakpoint here"] + +gdb_test "break $bp_location" +gdb_test "continue" ".* handler .*" "continue to handler" + +gdb_test "p ssi_addr" " = \\(void \\*\\) $ssi_addr" +gdb_test "p ssi_errno" " = $ssi_errno" +gdb_test "p ssi_code" " = $ssi_code" +gdb_test "p ssi_signo" " = $ssi_signo" + +gdb_test "thread 1" ".*" +# siginfo is available here -- it shows SIGSTOP -- so we test to make +# sure that we have a different signal from the SEGV thread. +gdb_test "p \$_siginfo.si_signo == $ssi_signo" " = 0" \ + "test signal in main thread" + +# Test siginfo preservation in core files. +if {$gcore_created} { + clean_restart $binfile + + gdb_test "core $gcorefile" "Core was generated by.*" \ + "core [file tail $gcorefile]" + + gdb_test "p \$_siginfo.si_signo" " = $ssi_signo" \ + "p \$_siginfo.si_signo from core file" + gdb_test "p \$_siginfo.si_errno" " = $ssi_errno" \ + "p \$_siginfo.si_errno from core file" + gdb_test "p \$_siginfo.si_code" " = $ssi_code" \ + "p \$_siginfo.si_code from core file" + gdb_test "p \$_siginfo._sifields._sigfault.si_addr" \ + " = \\(void \\*\\) $ssi_addr" \ + "p \$_siginfo._sifields._sigfault.si_addr from core file" + + # We don't know which thread will be signalled, so we simply + # ensure that only one thread got a SEGV. + gdb_test_no_output "set variable \$count = 0" + foreach thread {1 2} { + gdb_test "thread $thread" ".*" "select thread $thread with core file" + gdb_test_no_output \ + "set variable \$count += (\$_siginfo.si_signo == $ssi_signo)" \ + "update counter in thread $thread" + } + gdb_test "print \$count" " = 1" +} |