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Diffstat (limited to 'gdb-6.5-BEA-testsuite.patch')
| -rw-r--r-- | gdb-6.5-BEA-testsuite.patch | 938 |
1 files changed, 938 insertions, 0 deletions
diff --git a/gdb-6.5-BEA-testsuite.patch b/gdb-6.5-BEA-testsuite.patch new file mode 100644 index 0000000..a15cec2 --- /dev/null +++ b/gdb-6.5-BEA-testsuite.patch @@ -0,0 +1,938 @@ +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-6.5-BEA-testsuite.patch + +;; Improved testsuite results by the testsuite provided by the courtesy of BEA. +;;=fedoratest: For upstream it should be rewritten as a dejagnu test, the test of no "??" was useful. + +diff --git a/gdb/testsuite/gdb.threads/threadcrash.c b/gdb/testsuite/gdb.threads/threadcrash.c +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.threads/threadcrash.c +@@ -0,0 +1,301 @@ ++/* ++ * The point of this program is to crash in a multi-threaded app. ++ * There are seven threads, doing the following things: ++ * * Spinning ++ * * Spinning inside a signal handler ++ * * Spinning inside a signal handler executing on the altstack ++ * * In a syscall ++ * * In a syscall inside a signal handler ++ * * In a syscall inside a signal handler executing on the altstack ++ * * Finally, the main thread crashes in main, with no frills. ++ * ++ * These are the things threads in JRockit tend to be doing. If gdb ++ * can handle those things, both in core files and during live ++ * debugging, that will help (at least) JRockit development. ++ * ++ * Let the program create a core file, then load the core file into ++ * gdb. Inside gdb, you should be able to do something like this: ++ * ++ * (gdb) t a a bt ++ * ++ * Thread 7 (process 4352): ++ * #0 0x001ba7dc in __nanosleep_nocancel () from /lib/tls/libc.so.6 ++ * #1 0x001ba5ff in sleep () from /lib/tls/libc.so.6 ++ * #2 0x080488a2 in makeSyscall (ignored=0x0) at threadcrash.c:118 ++ * #3 0x006aadec in start_thread () from /lib/tls/libpthread.so.0 ++ * #4 0x001ed19a in clone () from /lib/tls/libc.so.6 ++ * ++ * Thread 6 (process 4353): ++ * #0 0x001ba7dc in __nanosleep_nocancel () from /lib/tls/libc.so.6 ++ * #1 0x001ba5ff in sleep () from /lib/tls/libc.so.6 ++ * #2 0x0804898f in syscallingSighandler (signo=10, info=0xb6be76f0, context=0xb6be7770) ++ * at threadcrash.c:168 ++ * #3 <signal handler called> ++ * #4 0x006adf5e in pthread_kill () from /lib/tls/libpthread.so.0 ++ * #5 0x08048a51 in makeSyscallFromSighandler (ignored=0x0) at threadcrash.c:204 ++ * #6 0x006aadec in start_thread () from /lib/tls/libpthread.so.0 ++ * #7 0x001ed19a in clone () from /lib/tls/libc.so.6 ++ * ++ * Thread 5 (process 4354): ++ * #0 0x001ba7dc in __nanosleep_nocancel () from /lib/tls/libc.so.6 ++ * #1 0x001ba5ff in sleep () from /lib/tls/libc.so.6 ++ * #2 0x08048936 in syscallingAltSighandler (signo=3, info=0x959cd70, context=0x959cdf0) ++ * at threadcrash.c:144 ++ * #3 <signal handler called> ++ * #4 0x006adf5e in pthread_kill () from /lib/tls/libpthread.so.0 ++ * #5 0x080489e2 in makeSyscallFromAltSighandler (ignored=0x0) at threadcrash.c:190 ++ * #6 0x006aadec in start_thread () from /lib/tls/libpthread.so.0 ++ * #7 0x001ed19a in clone () from /lib/tls/libc.so.6 ++ * ++ * Thread 4 (process 4355): ++ * #0 spin (ignored=0x0) at threadcrash.c:242 ++ * #1 0x006aadec in start_thread () from /lib/tls/libpthread.so.0 ++ * #2 0x001ed19a in clone () from /lib/tls/libc.so.6 ++ * ++ * Thread 3 (process 4356): ++ * #0 spinningSighandler (signo=12, info=0xb4de46f0, context=0xb4de4770) at threadcrash.c:180 ++ * #1 <signal handler called> ++ * #2 0x006adf5e in pthread_kill () from /lib/tls/libpthread.so.0 ++ * #3 0x08048b2f in spinFromSighandler (ignored=0x0) at threadcrash.c:232 ++ * #4 0x006aadec in start_thread () from /lib/tls/libpthread.so.0 ++ * #5 0x001ed19a in clone () from /lib/tls/libc.so.6 ++ * ++ * Thread 2 (process 4357): ++ * #0 spinningAltSighandler (signo=14, info=0x959ee50, context=0x959eed0) at threadcrash.c:156 ++ * #1 <signal handler called> ++ * #2 0x006adf5e in pthread_kill () from /lib/tls/libpthread.so.0 ++ * #3 0x08048ac0 in spinFromAltSighandler (ignored=0x0) at threadcrash.c:218 ++ * #4 0x006aadec in start_thread () from /lib/tls/libpthread.so.0 ++ * #5 0x001ed19a in clone () from /lib/tls/libc.so.6 ++ * ++ * Thread 1 (process 4351): ++ * #0 0x08048cf3 in main (argc=1, argv=0xbfff9d74) at threadcrash.c:273 ++ * (gdb) ++ */ ++ ++#include <pthread.h> ++#include <signal.h> ++#include <assert.h> ++#include <unistd.h> ++#include <stdio.h> ++#include <stdlib.h> ++#include <string.h> ++ ++#define SIGSYSCALL_ALT SIGQUIT ++#define SIGSYSCALL SIGUSR1 ++#define SIGSPIN_ALT SIGALRM ++#define SIGSPIN SIGUSR2 ++ ++typedef void (*sigaction_t)(int, siginfo_t *, void *); ++ ++static void installHandler(int signo, sigaction_t handler, int onAltstack) { ++ struct sigaction action; ++ sigset_t sigset; ++ int result; ++ stack_t altstack; ++ stack_t oldaltstack; ++ ++ memset(&action, 0, sizeof(action)); ++ memset(&altstack, 0, sizeof(altstack)); ++ memset(&oldaltstack, 0, sizeof(oldaltstack)); ++ ++ if (onAltstack) { ++ altstack.ss_sp = malloc(SIGSTKSZ); ++ assert(altstack.ss_sp != NULL); ++ altstack.ss_size = SIGSTKSZ; ++ altstack.ss_flags = 0; ++ result = sigaltstack(&altstack, &oldaltstack); ++ assert(result == 0); ++ assert(oldaltstack.ss_flags == SS_DISABLE); ++ } ++ ++ sigemptyset(&sigset); ++ ++ action.sa_handler = NULL; ++ action.sa_sigaction = handler; ++ action.sa_mask = sigset; ++ action.sa_flags = SA_SIGINFO; ++ if (onAltstack) { ++ action.sa_flags |= SA_ONSTACK; ++ } ++ ++ result = sigaction(signo, &action, NULL); ++ assert(result == 0); ++} ++ ++static void installNormalHandler(int signo, sigaction_t handler) { ++ installHandler(signo, handler, 0); ++} ++ ++static void installAlthandler(int signo, sigaction_t handler) { ++ installHandler(signo, handler, 1); ++} ++ ++static void *makeSyscall(void *ignored) { ++ (void)ignored; ++ ++ sleep(42); ++ ++ fprintf(stderr, "%s: returning\n", __FUNCTION__); ++ return NULL; ++} ++ ++/* Return true if we're currently executing on the altstack */ ++static int onAltstack(void) { ++ stack_t stack; ++ int result; ++ ++ result = sigaltstack(NULL, &stack); ++ assert(result == 0); ++ ++ return stack.ss_flags & SS_ONSTACK; ++} ++ ++static void syscallingAltSighandler(int signo, siginfo_t *info, void *context) { ++ (void)signo; ++ (void)info; ++ (void)context; ++ ++ if (!onAltstack()) { ++ printf("%s() not running on altstack!\n", __FUNCTION__); ++ } ++ ++ sleep(42); ++} ++ ++static void spinningAltSighandler(int signo, siginfo_t *info, void *context) { ++ (void)signo; ++ (void)info; ++ (void)context; ++ ++ if (!onAltstack()) { ++ printf("%s() not running on altstack!\n", __FUNCTION__); ++ } ++ ++ while (1); ++} ++ ++static void syscallingSighandler(int signo, siginfo_t *info, void *context) { ++ (void)signo; ++ (void)info; ++ (void)context; ++ ++ if (onAltstack()) { ++ printf("%s() running on altstack!\n", __FUNCTION__); ++ } ++ ++ sleep(42); ++} ++ ++static void spinningSighandler(int signo, siginfo_t *info, void *context) { ++ (void)signo; ++ (void)info; ++ (void)context; ++ ++ if (onAltstack()) { ++ printf("%s() running on altstack!\n", __FUNCTION__); ++ } ++ ++ while (1); ++} ++ ++static void *makeSyscallFromAltSighandler(void *ignored) { ++ (void)ignored; ++ ++ int result; ++ ++ installAlthandler(SIGSYSCALL_ALT, syscallingAltSighandler); ++ ++ result = pthread_kill(pthread_self(), SIGSYSCALL_ALT); ++ assert(result == 0); ++ ++ fprintf(stderr, "%s: returning\n", __FUNCTION__); ++ return NULL; ++} ++ ++static void *makeSyscallFromSighandler(void *ignored) { ++ (void)ignored; ++ ++ int result; ++ ++ installNormalHandler(SIGSYSCALL, syscallingSighandler); ++ ++ result = pthread_kill(pthread_self(), SIGSYSCALL); ++ assert(result == 0); ++ ++ fprintf(stderr, "%s: returning\n", __FUNCTION__); ++ return NULL; ++} ++ ++static void *spinFromAltSighandler(void *ignored) { ++ (void)ignored; ++ ++ int result; ++ ++ installAlthandler(SIGSPIN_ALT, spinningAltSighandler); ++ ++ result = pthread_kill(pthread_self(), SIGSPIN_ALT); ++ assert(result == 0); ++ ++ fprintf(stderr, "%s: returning\n", __FUNCTION__); ++ return NULL; ++} ++ ++static void *spinFromSighandler(void *ignored) { ++ (void)ignored; ++ ++ int result; ++ ++ installNormalHandler(SIGSPIN, spinningSighandler); ++ ++ result = pthread_kill(pthread_self(), SIGSPIN); ++ assert(result == 0); ++ ++ fprintf(stderr, "%s: returning\n", __FUNCTION__); ++ return NULL; ++} ++ ++static void *spin(void *ignored) { ++ (void)ignored; ++ ++ while (1); ++ ++ fprintf(stderr, "%s: returning\n", __FUNCTION__); ++ return NULL; ++} ++ ++int main(int argc, char *argv[]) { ++ int result; ++ pthread_t thread; ++ volatile int bad; ++ ++ result = pthread_create(&thread, NULL, makeSyscall, NULL); ++ assert(result == 0); ++ result = pthread_create(&thread, NULL, makeSyscallFromSighandler, NULL); ++ assert(result == 0); ++ result = pthread_create(&thread, NULL, makeSyscallFromAltSighandler, NULL); ++ assert(result == 0); ++ result = pthread_create(&thread, NULL, spin, NULL); ++ assert(result == 0); ++ result = pthread_create(&thread, NULL, spinFromSighandler, NULL); ++ assert(result == 0); ++ result = pthread_create(&thread, NULL, spinFromAltSighandler, NULL); ++ assert(result == 0); ++ ++ // Give threads some time to get going ++ sleep(3); ++ ++ // Crash ++ bad = *(int*)7; ++ ++ /* Workaround: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29628 ++ Simulate use to ensure `DW_AT_location' for them: ++ readelf -a --debug threadcrash|grep -A5 -w argc ++ --> DW_AT_location : 2 byte block: 71 0 (DW_OP_breg1: 0) ++ This case verified on: gcc-4.1.1-30.i386 ++ Keep it late to ensure persistency in the registers. */ ++ bad = (int) argc; ++ bad = (unsigned long) argv; ++ ++ return 0; ++} +diff --git a/gdb/testsuite/gdb.threads/threadcrash.exp b/gdb/testsuite/gdb.threads/threadcrash.exp +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.threads/threadcrash.exp +@@ -0,0 +1,37 @@ ++# threadcrash.exp - The point of this program is to crash in a multi-threaded app. ++ ++ ++set testfile threadcrash ++set srcfile ${testfile}.c ++set shellfile ${srcdir}/${subdir}/${testfile}.sh ++set binfile [standard_output_file ${testfile}] ++ ++set GDB_abs ${GDB} ++if [regexp "^\[^/\]" ${GDB_abs}] { ++ set GDB_abs $env(PWD)/${GDB_abs} ++} ++ ++if [istarget "*-*-linux"] then { ++ set target_cflags "-D_MIT_POSIX_THREADS" ++} else { ++ set target_cflags "" ++} ++ ++if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug}] != "" } { ++ return -1 ++} ++ ++# ${shellfile} argument must not contain any directories. ++set fd [open "|bash ${shellfile} ${binfile} $GDB $INTERNAL_GDBFLAGS $GDBFLAGS [host_info gdb_opts]" r] ++while { [gets $fd line] >= 0 } { ++ if [regexp " PASS: (.*)$" $line trash message] { ++ pass $message ++ } elseif [regexp " FAIL: (.*)$" $line trash message] { ++ fail $message ++ } ++} ++catch { ++ close $fd ++} ++ ++return 0 +diff --git a/gdb/testsuite/gdb.threads/threadcrash.sh b/gdb/testsuite/gdb.threads/threadcrash.sh +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.threads/threadcrash.sh +@@ -0,0 +1,324 @@ ++#! /bin/bash ++ ++# NOTE: threadcrash.c *must* be built with debugging symbols ++# ++# The point of this shell script is to crash treadcrash.c, load the ++# resulting core file into gdb and verify that gdb can extract enough ++# information from the core file. ++# ++# The return code from this script is the number of failed tests. ++ ++LOG=gdbresult.log ++ ++if [ $# = 0 ] ; then ++ echo >&2 Syntax: $0 \<name of threadcrash binary\> [\<gdb binary\> \<args...\>] ++ exit 1 ++fi ++RUNME="$1" ++shift ++GDB="${*:-gdb}" ++ ++ ++pf_prefix="" ++function pf_prefix() { ++ pf_prefix="$*" ++} ++ ++set_test="" ++function set_test() { ++ if [ -n "$set_test" ] ; then ++ echo >&2 "DEJAGNU-BASH ERROR: set_test already set" ++ exit 1 ++ fi ++ set_test="$*" ++ if [ -n "$pf_prefix" ] ; then ++ set_test="$pf_prefix: $set_test" ++ fi ++} ++ ++# INTERNAL ++function record_test { ++ if [ -z "$set_test" ] ; then ++ echo >&2 "DEJAGNU-BASH ERROR: set_test not set" ++ exit 1 ++ fi ++ # Provide the leading whitespace delimiter: ++ echo " $1: $set_test" ++ set_test="" ++} ++ ++function pass() { ++ record_test PASS ++} ++function fail() { ++ record_test FAIL ++} ++ ++ ++# Verify that the gdb output doesn't contain $1. ++function mustNotHave() { ++ local BADWORD=$1 ++ set_test gdb output contains "$BADWORD" ++ if grep -q "$BADWORD" $LOG ; then ++ fail ++ return 1 ++ fi ++ pass ++ return 0 ++} ++ ++# Verify that the gdb output contains exactly $1 $2s. ++function mustHaveCorrectAmount() { ++ local WANTEDNUMBER=$1 ++ local GOODWORD=$2 ++ local ACTUALNUMBER=$(grep "$GOODWORD" $LOG | wc -l) ++ set_test gdb output contained $ACTUALNUMBER \""$GOODWORD"\", not $WANTEDNUMBER as expected ++ if [ $ACTUALNUMBER != $WANTEDNUMBER ] ; then ++ fail ++ return 1 ++ fi ++ pass ++ return 0 ++} ++ ++# Verify that the gdb output contains seven threads ++function mustHaveSevenThreads() { ++ NTHREADS=$(egrep "^Thread [1-7] \(" $LOG | wc -l) ++ set_test gdb output contains $NTHREADS threads, not 7 as expected ++ if [ $NTHREADS != 7 ] ; then ++ fail ++ return 1 ++ fi ++ pass ++ return 0 ++} ++ ++# Verify that the gdb output has all parameters on consecutive lines ++function mustHaveSequence() { ++ SEQUENCE="$*" ++ NPARTS=$# ++ grep "$1" -A$((NPARTS - 1)) $LOG > matches.log ++ ++ while [ $# -gt 1 ] ; do ++ shift ++ ((NPARTS--)) ++ grep "$1" -A$((NPARTS - 1)) matches.log > temp.log ++ mv temp.log matches.log ++ done ++ LASTPART=$1 ++ ++ set_test gdb output does not contain the sequence: $SEQUENCE ++ if ! grep -q "$LASTPART" matches.log ; then ++ fail ++ return 1 ++ fi ++ pass ++ return 0 ++} ++ ++# Verify that $LOG contains all information we want ++function verifyLog() { ++ local FAILURES=0 ++ ++ mustNotHave '??' || ((FAILURES++)) ++ mustHaveCorrectAmount 11 threadcrash.c: || ((FAILURES++)) ++ ++ mustHaveSevenThreads || ((FAILURES++)) ++ mustHaveSequence sleep "makeSyscall (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence sleep "syscallingSighandler (signo=" "signal handler called" 0x || ((FAILURES++)) ++ mustHaveSequence pthread_kill "makeSyscallFromSighandler (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence sleep "syscallingAltSighandler (signo=" "signal handler called" 0x || ((FAILURES++)) ++ mustHaveSequence pthread_kill "makeSyscallFromAltSighandler (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence Thread "spin (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence "spinningSighandler (signo=" "signal handler called" 0x || ((FAILURES++)) ++ mustHaveSequence pthread_kill "spinFromSighandler (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence "spinningAltSighandler (signo=" "signal handler called" 0x || ((FAILURES++)) ++ mustHaveSequence pthread_kill "spinFromAltSighandler (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence Thread "main (argc=1, argv=" || ((FAILURES++)) ++ ++ return $FAILURES ++} ++ ++# Put result of debugging a core file in $LOG ++function getLogFromCore() { ++ # Make sure we get a core file ++ set_test Make sure we get a core file ++ if ! ulimit -c unlimited ; then ++ fail ++ exit 1 ++ fi ++ pass ++ ++ # Run the crasher ++ ./$(basename "$RUNME") ++ EXITCODE=$? ++ ++ # Verify that we actually crashed ++ set_test $RUNME should have been killed by a signal, got non-signal exit code $EXITCODE ++ if [ $EXITCODE -lt 128 ] ; then ++ fail ++ exit 1 ++ fi ++ pass ++ ++ # Verify that we got a core file ++ set_test $RUNME did not create a core file ++ if [ ! -r core* ] ; then ++ fail ++ exit 1 ++ fi ++ pass ++ ++ # Run gdb ++ cat > gdbscript.gdb <<EOF ++set width 0 ++t a a bt 100 ++quit ++EOF ++ cat gdbscript.gdb /dev/zero | $GDB -nx "./$(basename "$RUNME")" core* > $LOG ++ EXITCODE=$? ++ ++ set_test gdb exited with error code ++ if [ $EXITCODE != 0 ] ; then ++ ((FAILURES++)) ++ echo >&2 gdb exited with error code $EXITCODE ++ fail ++ fi ++ pass ++} ++ ++# Put result of debugging a gcore file in $LOG ++function getLogFromGcore() { ++ # Create the core file ++ rm -f core* ++ cat > gdbscript.gdb <<EOF ++handle SIGQUIT pass noprint nostop ++handle SIGUSR1 pass noprint nostop ++handle SIGUSR2 pass noprint nostop ++handle SIGALRM pass noprint nostop ++run ++gcore ++quit ++EOF ++ cat gdbscript.gdb /dev/zero | $GDB -nx "./$(basename "$RUNME")" > /dev/null ++ EXITCODE=$? ++ ++ set_test gdb exited with error code when creating gcore file ++ if [ $EXITCODE != 0 ] ; then ++ ((FAILURES++)) ++ echo >&2 gdb exited with error code $EXITCODE when creating gcore file ++ fail ++ fi ++ pass ++ ++ # Verify that we got a core file from gcore ++ set_test gdb gcore did not create a core file ++ if [ ! -r core* ] ; then ++ fail ++ exit 1 ++ fi ++ pass ++ ++ # Run gdb on the gcore file ++ cat > gdbscript.gdb <<EOF ++set width 0 ++t a a bt 100 ++quit ++EOF ++ cat gdbscript.gdb /dev/zero | $GDB -nx "./$(basename "$RUNME")" core* > $LOG ++ EXITCODE=$? ++ ++ set_test gdb exited with error code when examining gcore file ++ if [ $EXITCODE != 0 ] ; then ++ ((FAILURES++)) ++ echo >&2 gdb exited with error code $EXITCODE when examining gcore file ++ fail ++ fi ++ pass ++} ++ ++# Put result of debugging a core file in $LOG ++function getLogFromLiveProcess() { ++ # Run gdb ++ cat > gdbscript.gdb <<EOF ++handle SIGQUIT pass noprint nostop ++handle SIGUSR1 pass noprint nostop ++handle SIGUSR2 pass noprint nostop ++handle SIGALRM pass noprint nostop ++set width 0 ++run ++t a a bt 100 ++quit ++EOF ++ cat gdbscript.gdb /dev/zero | $GDB -nx "./$(basename "$RUNME")" > $LOG ++ EXITCODE=$? ++ ++ set_test gdb exited with error code ++ if [ $EXITCODE != 0 ] ; then ++ ((FAILURES++)) ++ echo >&2 gdb exited with error code $EXITCODE ++ fail ++ fi ++ pass ++} ++ ++####### Main program follows ##################### ++ ++# Make sure we don't clobber anybody else's (core) file(s) ++WORKDIR=/tmp/$PPID ++mkdir -p $WORKDIR ++cp "$RUNME" $WORKDIR ++cd $WORKDIR ++ ++# Count problems ++FAILURES=0 ++ ++echo === Testing gdb vs core file... ++pf_prefix core file ++getLogFromCore ++verifyLog ++((FAILURES+=$?)) ++pf_prefix ++echo === Core file tests done. ++ ++echo ++ ++echo === Testing gdb vs gcore file... ++pf_prefix gcore file ++getLogFromGcore ++verifyLog ++((FAILURES+=$?)) ++pf_prefix ++echo === Gcore file tests done. ++ ++echo ++ ++echo === Testing gdb vs live process... ++pf_prefix live process ++getLogFromLiveProcess ++verifyLog ++((FAILURES+=$?)) ++pf_prefix ++echo === Live process tests done. ++ ++# Executive summary ++echo ++if [ $FAILURES == 0 ] ; then ++ echo All tests passed! ++else ++ echo $FAILURES tests failed! ++ echo ++ echo Make sure the threadcrash binary contains debugging information \(build with \"gcc -g\"\). ++fi ++ ++# Clean up ++cd / ++rm -rf $WORKDIR ++ ++exit $FAILURES +diff --git a/gdb/testsuite/gdb.threads/threadcrash.sh-orig b/gdb/testsuite/gdb.threads/threadcrash.sh-orig +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.threads/threadcrash.sh-orig +@@ -0,0 +1,248 @@ ++#! /bin/bash ++ ++# NOTE: threadcrash.c *must* be built with debugging symbols ++# ++# The point of this shell script is to crash treadcrash.c, load the ++# resulting core file into gdb and verify that gdb can extract enough ++# information from the core file. ++# ++# The return code from this script is the number of failed tests. ++ ++LOG=gdbresult.log ++ ++if [ $# != 1 ] ; then ++ echo > /dev/stderr Syntax: $0 \<name of threadcrash binary\> ++ exit 1 ++fi ++RUNME="$1" ++ ++# Verify that the gdb output doesn't contain $1. ++function mustNotHave() { ++ local BADWORD=$1 ++ if grep -q "$BADWORD" $LOG ; then ++ echo >> /dev/stderr WARNING: gdb output contains "$BADWORD" ++ return 1 ++ fi ++ return 0 ++} ++ ++# Verify that the gdb output contains exactly $1 $2s. ++function mustHaveCorrectAmount() { ++ local WANTEDNUMBER=$1 ++ local GOODWORD=$2 ++ local ACTUALNUMBER=$(grep "$GOODWORD" $LOG | wc -l) ++ if [ $ACTUALNUMBER != $WANTEDNUMBER ] ; then ++ echo >> /dev/stderr WARNING: gdb output contained $ACTUALNUMBER \""$GOODWORD"\", not $WANTEDNUMBER as expected ++ return 1 ++ fi ++ return 0 ++} ++ ++# Verify that the gdb output contains seven threads ++function mustHaveSevenThreads() { ++ NTHREADS=$(egrep "^Thread [1-7] \(" $LOG | wc -l) ++ if [ $NTHREADS != 7 ] ; then ++ echo >> /dev/stderr WARNING: gdb output contains $NTHREADS threads, not 7 as expected ++ return 1 ++ fi ++ return 0 ++} ++ ++# Verify that the gdb output has all parameters on consecutive lines ++function mustHaveSequence() { ++ SEQUENCE="$*" ++ NPARTS=$# ++ grep "$1" -A$((NPARTS - 1)) $LOG > matches.log ++ ++ while [ $# -gt 1 ] ; do ++ shift ++ ((NPARTS--)) ++ grep "$1" -A$((NPARTS - 1)) matches.log > temp.log ++ mv temp.log matches.log ++ done ++ LASTPART=$1 ++ ++ if ! grep -q "$LASTPART" matches.log ; then ++ echo >> /dev/stderr WARNING: gdb output does not contain the sequence: $SEQUENCE ++ return 1 ++ fi ++ return 0 ++} ++ ++# Verify that $LOG contains all information we want ++function verifyLog() { ++ local FAILURES=0 ++ ++ mustNotHave '??' || ((FAILURES++)) ++ mustHaveCorrectAmount 12 threadcrash.c: || ((FAILURES++)) ++ ++ mustHaveSevenThreads || ((FAILURES++)) ++ mustHaveSequence sleep "makeSyscall (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence sleep "syscallingSighandler (signo=" "signal handler called" 0x || ((FAILURES++)) ++ mustHaveSequence pthread_kill "makeSyscallFromSighandler (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence sleep "syscallingAltSighandler (signo=" "signal handler called" 0x || ((FAILURES++)) ++ mustHaveSequence pthread_kill "makeSyscallFromAltSighandler (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence Thread "spin (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence "spinningSighandler (signo=" "signal handler called" 0x || ((FAILURES++)) ++ mustHaveSequence pthread_kill "spinFromSighandler (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence "spinningAltSighandler (signo=" "signal handler called" 0x || ((FAILURES++)) ++ mustHaveSequence pthread_kill "spinFromAltSighandler (ignored=" || ((FAILURES++)) ++ ++ mustHaveSequence Thread "main (argc=1, argv=" || ((FAILURES++)) ++ ++ return $FAILURES ++} ++ ++# Put result of debugging a core file in $LOG ++function getLogFromCore() { ++ # Make sure we get a core file ++ ulimit -c unlimited || exit 1 ++ ++ # Run the crasher ++ ./$(basename "$RUNME") ++ EXITCODE=$? ++ ++ # Verify that we actually crashed ++ if [ $EXITCODE -lt 128 ] ; then ++ echo >> /dev/stderr ERROR: $RUNME should have been killed by a signal, got non-signal exit code $EXITCODE ++ exit 1 ++ fi ++ ++ # Verify that we got a core file ++ if [ ! -r core* ] ; then ++ echo >> /dev/stderr ERROR: $RUNME did not create a core file ++ exit 1 ++ fi ++ ++ # Run gdb ++ cat > gdbscript.gdb <<EOF ++set width 0 ++t a a bt 100 ++quit ++EOF ++ cat gdbscript.gdb /dev/zero | gdb -nx "./$(basename "$RUNME")" core* > $LOG ++ EXITCODE=$? ++ ++ if [ $EXITCODE != 0 ] ; then ++ ((FAILURES++)) ++ echo >> /dev/stderr WARNING: gdb exited with error code $EXITCODE ++ fi ++} ++ ++# Put result of debugging a gcore file in $LOG ++function getLogFromGcore() { ++ # Create the core file ++ rm -f core* ++ cat > gdbscript.gdb <<EOF ++handle SIGQUIT pass noprint nostop ++handle SIGUSR1 pass noprint nostop ++handle SIGUSR2 pass noprint nostop ++handle SIGALRM pass noprint nostop ++run ++gcore ++quit ++EOF ++ cat gdbscript.gdb /dev/zero | gdb -nx "./$(basename "$RUNME")" > /dev/null ++ EXITCODE=$? ++ ++ if [ $EXITCODE != 0 ] ; then ++ ((FAILURES++)) ++ echo >> /dev/stderr WARNING: gdb exited with error code $EXITCODE when creating gcore file ++ fi ++ ++ # Verify that we got a core file from gcore ++ if [ ! -r core* ] ; then ++ echo >> /dev/stderr ERROR: gdb gcore did not create a core file ++ exit 1 ++ fi ++ ++ # Run gdb on the gcore file ++ cat > gdbscript.gdb <<EOF ++set width 0 ++t a a bt 100 ++quit ++EOF ++ cat gdbscript.gdb /dev/zero | gdb -nx "./$(basename "$RUNME")" core* > $LOG ++ EXITCODE=$? ++ ++ if [ $EXITCODE != 0 ] ; then ++ ((FAILURES++)) ++ echo >> /dev/stderr WARNING: gdb exited with error code $EXITCODE when examining gcore file ++ fi ++} ++ ++# Put result of debugging a core file in $LOG ++function getLogFromLiveProcess() { ++ # Run gdb ++ cat > gdbscript.gdb <<EOF ++handle SIGQUIT pass noprint nostop ++handle SIGUSR1 pass noprint nostop ++handle SIGUSR2 pass noprint nostop ++handle SIGALRM pass noprint nostop ++set width 0 ++run ++t a a bt 100 ++quit ++EOF ++ cat gdbscript.gdb /dev/zero | gdb -nx "./$(basename "$RUNME")" > $LOG ++ EXITCODE=$? ++ ++ if [ $EXITCODE != 0 ] ; then ++ ((FAILURES++)) ++ echo >> /dev/stderr WARNING: gdb exited with error code $EXITCODE ++ fi ++} ++ ++####### Main program follows ##################### ++ ++# Make sure we don't clobber anybody else's (core) file(s) ++WORKDIR=/tmp/$PPID ++mkdir -p $WORKDIR ++cp "$RUNME" $WORKDIR ++cd $WORKDIR ++ ++# Count problems ++FAILURES=0 ++ ++echo === Testing gdb vs core file... ++getLogFromCore ++verifyLog ++((FAILURES+=$?)) ++echo === Core file tests done. ++ ++echo ++ ++echo === Testing gdb vs gcore file... ++getLogFromGcore ++verifyLog ++((FAILURES+=$?)) ++echo === Gcore file tests done. ++ ++echo ++ ++echo === Testing gdb vs live process... ++getLogFromLiveProcess ++verifyLog ++((FAILURES+=$?)) ++echo === Live process tests done. ++ ++# Executive summary ++echo ++if [ $FAILURES == 0 ] ; then ++ echo All tests passed! ++else ++ echo $FAILURES tests failed! ++ echo ++ echo Make sure the threadcrash binary contains debugging information \(build with \"gcc -g\"\). ++fi ++ ++# Clean up ++cd / ++rm -rf $WORKDIR ++ ++exit $FAILURES |