mirror of
https://sourceware.org/git/binutils-gdb.git
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138 lines
3.9 KiB
Plaintext
138 lines
3.9 KiB
Plaintext
# Copyright 2004-2018 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 { ![supports_get_siginfo_type] } {
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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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standard_testfile
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile debug]} {
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return -1
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}
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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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# Try to generate a core file, for a later test.
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set gcorefile [standard_output_file $testfile.gcore]
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set gcore_created [gdb_gcore_cmd $gcorefile "save a core file"]
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set ssi_addr ""
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set test "extract si_addr"
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gdb_test_multiple "p \$_siginfo" "$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 $bp_location"
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gdb_test "continue" ".* handler .*" "continue to handler"
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gdb_test "p ssi_addr" " = \\(void \\*\\) 0x666"
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gdb_test "p ssi_errno" " = 666"
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gdb_test "p ssi_code" " = 999"
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gdb_test "p ssi_signo" " = 11"
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# Test siginfo preservation in core files.
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if {$gcore_created} {
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clean_restart $binfile
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gdb_test "core $gcorefile" "Core was generated by.*" \
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"core [file tail $gcorefile]"
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gdb_test "p \$_siginfo.si_signo" " = $ssi_signo" \
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"p \$_siginfo.si_signo from core file"
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gdb_test "p \$_siginfo.si_errno" " = $ssi_errno" \
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"p \$_siginfo.si_errno from core file"
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gdb_test "p \$_siginfo.si_code" " = $ssi_code" \
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"p \$_siginfo.si_code from core file"
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gdb_test "p \$_siginfo._sifields._sigfault.si_addr" \
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" = \\(void \\*\\) $ssi_addr" \
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"p \$_siginfo._sifields._sigfault.si_addr from core file"
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}
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