mirror of
https://sourceware.org/git/binutils-gdb.git
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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
142 lines
4.1 KiB
Plaintext
142 lines
4.1 KiB
Plaintext
# Copyright 2004-2022 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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return 0
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}
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# Run to the signal.
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gdb_test "continue" ".*Program received signal SIGSEGV.*" \
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"continue to signal, 1st"
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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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with_test_prefix "validate siginfo fields" {
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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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}
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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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return 0
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}
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# Run to the signal.
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gdb_test "continue" ".*Program received signal SIGSEGV.*" \
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"continue to signal, 2nd"
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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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with_test_prefix "validate modified siginfo fields" {
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gdb_test "break $bp_location"
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gdb_test "continue" ".* handler .*" "continue to handler"
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gdb_test "p ssi_addr" " = \\(void \\*\\) 0x666"
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gdb_test "p ssi_errno" " = 666"
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gdb_test "p ssi_code" " = 999"
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gdb_test "p ssi_signo" " = 11"
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}
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# Test siginfo preservation in core files.
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if {$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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