diff options
Diffstat (limited to 'gdb-simultaneous-step-resume-breakpoint-test.patch')
| -rw-r--r-- | gdb-simultaneous-step-resume-breakpoint-test.patch | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/gdb-simultaneous-step-resume-breakpoint-test.patch b/gdb-simultaneous-step-resume-breakpoint-test.patch new file mode 100644 index 0000000..5e1315b --- /dev/null +++ b/gdb-simultaneous-step-resume-breakpoint-test.patch @@ -0,0 +1,162 @@ +From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 +From: Fedora GDB patches <invalid@email.com> +Date: Fri, 27 Oct 2017 21:07:50 +0200 +Subject: gdb-simultaneous-step-resume-breakpoint-test.patch + +;; New test for step-resume breakpoint placed in multiple threads at once. +;;=fedoratest + +diff --git a/gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.c b/gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.c +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.c +@@ -0,0 +1,79 @@ ++/* Copyright 2009 Free Software Foundation, Inc. ++ ++ Written by Fred Fish of Cygnus Support ++ Contributed by Cygnus Support ++ ++ This file is part of GDB. ++ ++ 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/>. */ ++ ++/* Test multiple threads stepping into a .debug_line-less function with ++ a breakpoint placed on its return-to-caller point. */ ++ ++#include <pthread.h> ++#include <assert.h> ++#include <unistd.h> ++#include <errno.h> ++#include <stdio.h> ++ ++#define THREADS 3 ++ ++static void * ++func (void *unused) ++{ ++ int i; ++ ++ errno = 0; ++ i = 0xdeadf00d; ++ i = sleep (THREADS); /* sleep-call */ ++ if (errno != 0) /* sleep-after */ ++ perror ("sleep"); ++ ++ /* The GDB bug with forgotten step-resume breakpoint could leave stale ++ breakpoint on the I assignment making it a nop. */ ++ if (i == 0xdeadf00d) ++ assert (0); ++ ++ assert (i == 0); ++ ++ pthread_exit (NULL); ++} ++ ++int ++main (void) ++{ ++ pthread_t threads[THREADS]; ++ int threadi; ++ ++ for (threadi = 0; threadi < THREADS; threadi++) ++ { ++ int i; ++ ++ i = pthread_create (&threads[threadi], NULL, func, NULL); ++ assert (i == 0); ++ ++ i = sleep (1); ++ assert (i == 0); ++ } ++ ++ for (threadi = 0; threadi < THREADS; threadi++) ++ { ++ int i; ++ ++ i = pthread_join (threads[threadi], NULL); ++ assert (i == 0); ++ } ++ ++ return 0; /* final-exit */ ++} +diff --git a/gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.exp b/gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.exp +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.threads/simultaneous-step-resume-breakpoint.exp +@@ -0,0 +1,65 @@ ++# Copyright (C) 2009 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/>. */ ++ ++# Test multiple threads stepping into a .debug_line-less function with ++# a breakpoint placed on its return-to-caller point. ++ ++set testfile simultaneous-step-resume-breakpoint ++set srcfile ${testfile}.c ++set binfile [standard_output_file ${testfile}] ++ ++if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { ++ return -1 ++} ++ ++gdb_exit ++gdb_start ++gdb_reinitialize_dir $srcdir/$subdir ++ ++# Ensure we have no debuginfo for the `sleep' call itself (=for libc). ++gdb_test "set debug-file-directory /DoesNotExist" ++ ++gdb_load ${binfile} ++if ![runto_main] { ++ return -1 ++} ++ ++# Red Hat vendor patch does set it to "step" by default. ++gdb_test "set scheduler-locking off" ++ ++gdb_breakpoint [gdb_get_line_number "final-exit"] ++ ++gdb_breakpoint [gdb_get_line_number "sleep-call"] ++gdb_continue_to_breakpoint "sleep-call" ++ ++gdb_test "step" "sleep-call.*" "step thread 1" ++gdb_test "step" "sleep-call.*" "step thread 2" ++gdb_test "step" "sleep-after.*" "step thread 3" ++ ++set test "first continue" ++gdb_test_multiple "continue" $test { ++ -re "final-exit.*$gdb_prompt $" { ++ # gdb-7.0. ++ pass $test ++ return ++ } ++ -re "sleep-after.*$gdb_prompt $" { ++ # Fedora/RHEL branch. ++ pass $test ++ } ++} ++ ++gdb_test "continue" "sleep-after.*" "second continue" ++gdb_test "continue" "final-exit.*" "third continue" |