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Diffstat (limited to 'gdb-6.6-bz237572-ppc-atomic-sequence-test.patch')
| -rw-r--r-- | gdb-6.6-bz237572-ppc-atomic-sequence-test.patch | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/gdb-6.6-bz237572-ppc-atomic-sequence-test.patch b/gdb-6.6-bz237572-ppc-atomic-sequence-test.patch new file mode 100644 index 0000000..4faef13 --- /dev/null +++ b/gdb-6.6-bz237572-ppc-atomic-sequence-test.patch @@ -0,0 +1,278 @@ +From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 +From: Jan Kratochvil <jan.kratochvil@redhat.com> +Date: Fri, 27 Oct 2017 21:07:50 +0200 +Subject: gdb-6.6-bz237572-ppc-atomic-sequence-test.patch + +;; Support for stepping over PPC atomic instruction sequences (BZ 237572). +;;=fedoratest + +2007-06-25 Jan Kratochvil <jan.kratochvil@redhat.com> + + * gdb.threads/atomic-seq-threaded.c, + gdb.threads/atomic-seq-threaded.exp: New files. + +diff --git a/gdb/testsuite/gdb.threads/atomic-seq-threaded.c b/gdb/testsuite/gdb.threads/atomic-seq-threaded.c +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.threads/atomic-seq-threaded.c +@@ -0,0 +1,171 @@ ++/* This testcase is part of GDB, the GNU debugger. ++ ++ Copyright 2007 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 2 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, write to the Free Software ++ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, ++ MA 02110-1301, USA. */ ++ ++/* Test stepping over RISC atomic sequences. ++ This variant testcases the code for stepping another thread while skipping ++ over the atomic sequence in the former thread ++ (STEPPING_PAST_SINGLESTEP_BREAKPOINT). ++ Code comes from gcc/testsuite/gcc.dg/sync-2.c */ ++ ++/* { dg-options "-march=i486" { target { { i?86-*-* x86_64-*-* } && ilp32 } } } */ ++/* { dg-options "-mcpu=v9" { target sparc*-*-* } } */ ++ ++/* Test functionality of the intrinsics for 'short' and 'char'. */ ++ ++#include <stdlib.h> ++#include <string.h> ++#include <pthread.h> ++#include <assert.h> ++#include <unistd.h> ++ ++#define LOOPS 2 ++ ++static int unused; ++ ++static char AI[18]; ++static char init_qi[18] = { 3,5,7,9,0,0,0,0,-1,0,0,0,0,0,-1,0,0,0 }; ++static char test_qi[18] = { 3,5,7,9,1,4,22,-12,7,8,9,7,1,-12,7,8,9,7 }; ++ ++static void ++do_qi (void) ++{ ++ if (__sync_fetch_and_add(AI+4, 1) != 0) ++ abort (); ++ if (__sync_fetch_and_add(AI+5, 4) != 0) ++ abort (); ++ if (__sync_fetch_and_add(AI+6, 22) != 0) ++ abort (); ++ if (__sync_fetch_and_sub(AI+7, 12) != 0) ++ abort (); ++ if (__sync_fetch_and_and(AI+8, 7) != (char)-1) ++ abort (); ++ if (__sync_fetch_and_or(AI+9, 8) != 0) ++ abort (); ++ if (__sync_fetch_and_xor(AI+10, 9) != 0) ++ abort (); ++ if (__sync_fetch_and_nand(AI+11, 7) != 0) ++ abort (); ++ ++ if (__sync_add_and_fetch(AI+12, 1) != 1) ++ abort (); ++ if (__sync_sub_and_fetch(AI+13, 12) != (char)-12) ++ abort (); ++ if (__sync_and_and_fetch(AI+14, 7) != 7) ++ abort (); ++ if (__sync_or_and_fetch(AI+15, 8) != 8) ++ abort (); ++ if (__sync_xor_and_fetch(AI+16, 9) != 9) ++ abort (); ++ if (__sync_nand_and_fetch(AI+17, 7) != 7) ++ abort (); ++} ++ ++static short AL[18]; ++static short init_hi[18] = { 3,5,7,9,0,0,0,0,-1,0,0,0,0,0,-1,0,0,0 }; ++static short test_hi[18] = { 3,5,7,9,1,4,22,-12,7,8,9,7,1,-12,7,8,9,7 }; ++ ++static void ++do_hi (void) ++{ ++ if (__sync_fetch_and_add(AL+4, 1) != 0) ++ abort (); ++ if (__sync_fetch_and_add(AL+5, 4) != 0) ++ abort (); ++ if (__sync_fetch_and_add(AL+6, 22) != 0) ++ abort (); ++ if (__sync_fetch_and_sub(AL+7, 12) != 0) ++ abort (); ++ if (__sync_fetch_and_and(AL+8, 7) != -1) ++ abort (); ++ if (__sync_fetch_and_or(AL+9, 8) != 0) ++ abort (); ++ if (__sync_fetch_and_xor(AL+10, 9) != 0) ++ abort (); ++ if (__sync_fetch_and_nand(AL+11, 7) != 0) ++ abort (); ++ ++ if (__sync_add_and_fetch(AL+12, 1) != 1) ++ abort (); ++ if (__sync_sub_and_fetch(AL+13, 12) != -12) ++ abort (); ++ if (__sync_and_and_fetch(AL+14, 7) != 7) ++ abort (); ++ if (__sync_or_and_fetch(AL+15, 8) != 8) ++ abort (); ++ if (__sync_xor_and_fetch(AL+16, 9) != 9) ++ abort (); ++ if (__sync_nand_and_fetch(AL+17, 7) != 7) ++ abort (); ++} ++ ++static void * ++start1 (void *arg) ++{ ++ unsigned loop; ++ sleep(1); ++ ++ for (loop = 0; loop < LOOPS; loop++) ++ { ++ memcpy(AI, init_qi, sizeof(init_qi)); ++ ++ do_qi (); ++ ++ if (memcmp (AI, test_qi, sizeof(test_qi))) ++ abort (); ++ } ++ ++ return arg; /* _delete1_ */ ++} ++ ++static void * ++start2 (void *arg) ++{ ++ unsigned loop; ++ ++ for (loop = 0; loop < LOOPS; loop++) ++ { ++ memcpy(AL, init_hi, sizeof(init_hi)); ++ ++ do_hi (); ++ ++ if (memcmp (AL, test_hi, sizeof(test_hi))) ++ abort (); ++ } ++ ++ return arg; /* _delete2_ */ ++} ++ ++int ++main (int argc, char **argv) ++{ ++ pthread_t thread; ++ int i; ++ ++ i = pthread_create (&thread, NULL, start1, NULL); /* _create_ */ ++ assert (i == 0); /* _create_after_ */ ++ ++ sleep (1); ++ ++ start2 (NULL); ++ ++ i = pthread_join (thread, NULL); /* _delete_ */ ++ assert (i == 0); ++ ++ return 0; /* _exit_ */ ++} +diff --git a/gdb/testsuite/gdb.threads/atomic-seq-threaded.exp b/gdb/testsuite/gdb.threads/atomic-seq-threaded.exp +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.threads/atomic-seq-threaded.exp +@@ -0,0 +1,84 @@ ++# atomic-seq-threaded.exp -- Test case for stepping over RISC atomic code seqs. ++# This variant testcases the code for stepping another thread while skipping ++# over the atomic sequence in the former thread ++# (STEPPING_PAST_SINGLESTEP_BREAKPOINT). ++# Copyright (C) 2007 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 2 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, write to the Free Software ++# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ ++ ++# Please email any bugs, comments, and/or additions to this file to: ++# bug-gdb@prep.ai.mit.edu ++ ++set testfile atomic-seq-threaded ++set srcfile ${testfile}.c ++set binfile [standard_output_file ${testfile}] ++ ++foreach opts {{} {compiler=gcc4} {FAIL}} { ++ if {$opts eq "FAIL"} { ++ return -1 ++ } ++ if {[gdb_compile_pthreads "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $opts]] eq "" } { ++ break ++ } ++} ++ ++gdb_exit ++gdb_start ++gdb_reinitialize_dir $srcdir/$subdir ++ ++gdb_load ${binfile} ++if ![runto_main] then { ++ fail "Can't run to main" ++ return 0 ++} ++ ++# pthread_create () will not pass even on x86_64 with software watchpoint. ++# Pass after pthread_create () without any watchpoint active. ++set line [gdb_get_line_number "_create_after_"] ++gdb_test "tbreak $line" \ ++ "reakpoint (\[0-9\]+) at .*$srcfile, line $line\..*" \ ++ "set breakpoint after pthread_create ()" ++gdb_test "c" \ ++ ".*/\\* _create_after_ \\*/.*" \ ++ "run till after pthread_create ()" ++ ++# Without a watchpoint being software no single-stepping would be used. ++set test "Start (software) watchpoint" ++gdb_test_multiple "watch unused" $test { ++ -re "Watchpoint \[0-9\]+: unused.*$gdb_prompt $" { ++ pass $test ++ } ++ -re "Hardware watchpoint \[0-9\]+: unused.*$gdb_prompt $" { ++ # We do not test the goal but still the whole testcase should pass. ++ unsupported $test ++ } ++} ++ ++# More thorough testing of the scheduling logic. ++gdb_test "set scheduler-locking step" "" ++ ++# Critical code path is stepped through at this point. ++set line [gdb_get_line_number "_exit_"] ++gdb_test "tbreak $line" \ ++ "reakpoint \[0-9\]+ at .*$srcfile, line $line\..*" \ ++ "set breakpoint at _exit_" ++gdb_test "c" \ ++ ".*/\\* _exit_ \\*/.*" \ ++ "run till _exit_" ++ ++# Just a nonproblematic program exit. ++gdb_test "c" \ ++ ".*Program exited normally\\..*" \ ++ "run till program exit" |