gdb: Add process record and replay support for s390.
gdb/ChangeLog: PR/18376 * gdb/configure.tgt: Add linux-record.o to s390*-linux. * gdb/s390-linux-tdep.c: #include "linux-record.h", "record-full.h" (s390_linux_record_tdep): New static global variable. (s390x_linux_record_tdep): New static global variable. (s390_all_but_pc_registers_record): New function. (s390_canonicalize_syscall): New function. (s390_linux_syscall_record): New function. (s390_linux_record_signal): New function. (s390_record_calc_disp_common): New function. (s390_record_calc_disp): New function. (s390_record_calc_disp_vsce): New function. (s390_record_calc_rl): New function. (s390_record_gpr_g): New function. (s390_record_gpr_h): New function. (s390_record_vr): New function. (s390_process_record): New function. (s390_init_linux_record_tdep): New function. (s390_gdbarch_init): Fill record function slots. gdb/testsuite/ChangeLog: * gdb.reverse/s390-mvcle.c: New test. * gdb.reverse/s390-mvcle.exp: New file. * lib/gdb.exp: Enable reverse tests on s390*-linux.
This commit is contained in:
Marcin Kościelnicki
parent
394816ee10
commit
566c56c911
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@ -1,3 +1,25 @@
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2015-11-04 Marcin Kościelnicki <koriakin@0x04.net>
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PR/18376
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* gdb/configure.tgt: Add linux-record.o to s390*-linux.
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* gdb/s390-linux-tdep.c: #include "linux-record.h", "record-full.h"
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(s390_linux_record_tdep): New static global variable.
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(s390x_linux_record_tdep): New static global variable.
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(s390_all_but_pc_registers_record): New function.
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(s390_canonicalize_syscall): New function.
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(s390_linux_syscall_record): New function.
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(s390_linux_record_signal): New function.
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(s390_record_calc_disp_common): New function.
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(s390_record_calc_disp): New function.
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(s390_record_calc_disp_vsce): New function.
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(s390_record_calc_rl): New function.
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(s390_record_gpr_g): New function.
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(s390_record_gpr_h): New function.
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(s390_record_vr): New function.
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(s390_process_record): New function.
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(s390_init_linux_record_tdep): New function.
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(s390_gdbarch_init): Fill record function slots.
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2015-11-04 Marcin Kościelnicki <koriakin@0x04.net>
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* record-full.c (record_full_exec_insn): Use xmalloc for temporary
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@ -455,7 +455,8 @@ powerpc*-*-*)
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s390*-*-linux*)
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# Target: S390 running Linux
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gdb_target_obs="s390-linux-tdep.o solib-svr4.o linux-tdep.o"
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gdb_target_obs="s390-linux-tdep.o solib-svr4.o linux-tdep.o \
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linux-record.o"
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build_gdbserver=yes
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;;
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File diff suppressed because it is too large
Load Diff
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@ -1,3 +1,9 @@
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2015-11-04 Marcin Kościelnicki <koriakin@0x04.net>
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* gdb.reverse/s390-mvcle.c: New test.
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* gdb.reverse/s390-mvcle.exp: New file.
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* lib/gdb.exp: Enable reverse tests on s390*-linux.
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2015-11-02 Marcin Kościelnicki <koriakin@0x04.net>
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* gdb.reverse/readv-reverse.exp: Obvious typo fixed.
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@ -0,0 +1,54 @@
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/* This testcase is part of GDB, the GNU debugger.
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Copyright 2015 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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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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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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#include <stddef.h>
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char dst[0x1000000];
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char src[8] = "abcdefgh";
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void
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marker1 (void)
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{
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}
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void
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marker2 (void)
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{
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}
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static void
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mvcle (void)
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{
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register void *pdst asm("r2") = dst;
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register size_t ndst asm("r3") = sizeof dst;
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register void *psrc asm("r4") = src;
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register size_t nsrc asm("r5") = sizeof src;
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asm volatile ("0: mvcle 2, 4, 0x69\n"
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"jo 0b\n"
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: "=r" (pdst), "=r" (ndst), "=r" (psrc), "=r" (nsrc)
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: "0" (pdst), "1" (ndst), "2" (psrc), "3" (nsrc)
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: "cc", "memory");
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}
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int
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main (void)
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{
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marker1 ();
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mvcle ();
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marker2 ();
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return 0;
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}
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@ -0,0 +1,63 @@
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# Copyright (C) 2015 Free Software Foundation, Inc.
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#
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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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#
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# This test tests s390 MVCLE opcode for reverse execution.
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#
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if ![supports_reverse] {
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return
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}
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if { ! [istarget "s390*-*-*"] } {
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verbose "Skipping s390 MVCLE instruction recording tests."
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return
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}
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standard_testfile
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if { [prepare_for_testing $testfile.exp $testfile $srcfile] } {
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return -1
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}
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runto main
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if [supports_process_record] {
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# Activate process record/replay
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gdb_test_no_output "record" "Turn on process record"
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}
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gdb_test "break marker1" \
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"Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
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"set breakpoint at marker1"
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gdb_test "break marker2" \
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"Breakpoint $decimal at $hex: file .*$srcfile, line $decimal.*" \
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"set breakpoint at marker2"
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gdb_continue_to_breakpoint "marker1" ".*$srcfile:.*"
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gdb_continue_to_breakpoint "marker2" ".*$srcfile:.*"
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gdb_test "reverse-continue" ".*$srcfile:$decimal.*" "reverse to marker1"
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# If the variable was recorded properly on syscall, the old contents (0)
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# will be remembered. If not, new contents ([abcdefghi]) will be used, and
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# the test will fail.
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gdb_test "print (int)dst\[0]" ".* = 0" "check MVCLE record 1"
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gdb_test "print (int)dst\[0x100000]" ".* = 0" "check MVCLE record 2"
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gdb_test "print (int)dst\[0xffffff]" ".* = 0" "check MVCLE record 3"
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@ -2185,7 +2185,8 @@ proc supports_process_record {} {
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if { [istarget "arm*-*-linux*"] || [istarget "x86_64-*-linux*"]
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|| [istarget "i\[34567\]86-*-linux*"]
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|| [istarget "aarch64*-*-linux*"]
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|| [istarget "powerpc*-*-linux*"] } {
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|| [istarget "powerpc*-*-linux*"]
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|| [istarget "s390*-*-linux*"] } {
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return 1
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}
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@ -2203,7 +2204,8 @@ proc supports_reverse {} {
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if { [istarget "arm*-*-linux*"] || [istarget "x86_64-*-linux*"]
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|| [istarget "i\[34567\]86-*-linux*"]
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|| [istarget "aarch64*-*-linux*"]
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|| [istarget "powerpc*-*-linux*"] } {
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|| [istarget "powerpc*-*-linux*"]
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|| [istarget "s390*-*-linux*"] } {
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return 1
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}
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