129 lines
3.6 KiB
Text
129 lines
3.6 KiB
Text
# Copyright 2004, 2007-2008, 2010-2012 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# The program siginfo-obj.c arranges for a signal handler registered
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# using sigaction's sa_sigaction / SA_SIGINFO to be called with
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# si_addr filled in.
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# This test confirms that we can inspect signal info using the
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# $_siginfo convenience variable.
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if [target_info exists gdb,nosignals] {
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verbose "Skipping siginfo-obj.exp because of nosignals."
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continue
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}
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if { ! [istarget "i?86-*-linux*"]
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&& ! [istarget "x86_64-*-linux*"]
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&& ! [istarget "arm*-*-linux*"] } {
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verbose "Skipping siginfo-obj.exp because of lack of support."
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return
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}
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if $tracelevel then {
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strace $tracelevel
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}
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set testfile siginfo-obj
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } {
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untested "Couldn't compile ${srcfile}.c"
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return -1
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}
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# get things started
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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# Advance to main
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if { ![runto_main] } then {
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gdb_suppress_tests;
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}
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# Run to the signal.
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gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal"
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set ssi_addr ""
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set test "Extract si_addr"
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gdb_test_multiple "p \$_siginfo" "$test" {
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-re "si_addr = ($hex).*$gdb_prompt $" {
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set ssi_addr $expect_out(1,string)
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pass "$test"
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}
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}
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set test "Extract si_errno"
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gdb_test_multiple "p \$_siginfo" "$test" {
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-re "si_errno = (\[0-9\]\+).*$gdb_prompt $" {
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set ssi_errno $expect_out(1,string)
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pass "$test"
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}
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}
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set test "Extract si_code"
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gdb_test_multiple "p \$_siginfo" "$test" {
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-re "si_code = (\[0-9\]\+).*$gdb_prompt $" {
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set ssi_code $expect_out(1,string)
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pass "$test"
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}
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}
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set test "Extract si_signo"
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gdb_test_multiple "p \$_siginfo" "$test" {
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-re "si_signo = (\[0-9\]\+).*$gdb_prompt $" {
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set ssi_signo $expect_out(1,string)
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pass "$test"
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}
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}
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set bp_location [gdb_get_line_number "set breakpoint here"]
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gdb_test "break $bp_location"
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gdb_test "continue" ".* handler .*" "continue to handler"
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gdb_test "p ssi_addr" " = \\(void \\*\\) $ssi_addr"
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gdb_test "p ssi_errno" " = $ssi_errno"
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gdb_test "p ssi_code" " = $ssi_code"
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gdb_test "p ssi_signo" " = $ssi_signo"
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# Again, but this time, patch si_addr and check that the inferior sees
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# the changed value.
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# Advance to main
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if { ![runto_main] } then {
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gdb_suppress_tests;
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}
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# Run to the signal.
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gdb_test "continue" ".*Program received signal SIGSEGV.*" "continue to signal"
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set test "Set si_addr"
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gdb_test "p \$_siginfo._sifields._sigfault.si_addr = 0x666" " = \\(void \\*\\) 0x666"
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gdb_test "p \$_siginfo.si_errno = 666" " = 666"
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gdb_test "p \$_siginfo.si_code = 999" " = 999"
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gdb_test "p \$_siginfo.si_signo = 11" " = 11"
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gdb_test "break $bp_location"
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gdb_test "continue" ".* handler .*" "continue to handler"
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gdb_test "p ssi_addr" " = \\(void \\*\\) 0x666"
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gdb_test "p ssi_errno" " = 666"
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gdb_test "p ssi_code" " = 999"
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gdb_test "p ssi_signo" " = 11"
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