diff options
Diffstat (limited to 'gdb-6.7-ppc-clobbered-registers-O2-test.patch')
| -rw-r--r-- | gdb-6.7-ppc-clobbered-registers-O2-test.patch | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/gdb-6.7-ppc-clobbered-registers-O2-test.patch b/gdb-6.7-ppc-clobbered-registers-O2-test.patch new file mode 100644 index 0000000..08ee2f9 --- /dev/null +++ b/gdb-6.7-ppc-clobbered-registers-O2-test.patch @@ -0,0 +1,108 @@ +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-6.7-ppc-clobbered-registers-O2-test.patch + +;; Test PPC hiding of call-volatile parameter register. +;;=fedoratest + +2007-11-04 Jan Kratochvil <jan.kratochvil@redhat.com> + + * gdb.arch/ppc-clobbered-registers-O2.exp: `powerpc64' changed to + `powerpc*'. + +Testcase for: + +http://sourceware.org/ml/gdb-patches/2007-09/msg00228.html + +2007-10-21 Luis Machado <luisgpm@br.ibm.com> + + * rs6000-tdep.c (ppc_dwarf2_frame_init_reg): New function. + * (rs6000_gdbarch_init): Install ppc_dwarf2_frame_init_reg as + default dwarf2_frame_set_init_reg function. + +diff --git a/gdb/testsuite/gdb.arch/ppc-clobbered-registers-O2.c b/gdb/testsuite/gdb.arch/ppc-clobbered-registers-O2.c +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.arch/ppc-clobbered-registers-O2.c +@@ -0,0 +1,21 @@ ++ ++unsigned * __attribute__((noinline)) ++start_sequence (unsigned * x, unsigned * y) ++{ ++ return (unsigned *)0xdeadbeef; ++}; ++ ++unsigned __attribute__((noinline)) ++gen_movsd (unsigned * operand0, unsigned * operand1) ++{ ++ return *start_sequence(operand0, operand1); ++} ++ ++int main(void) ++{ ++ unsigned x, y; ++ ++ x = 13; ++ y = 14; ++ return (int)gen_movsd (&x, &y); ++} +diff --git a/gdb/testsuite/gdb.arch/ppc-clobbered-registers-O2.exp b/gdb/testsuite/gdb.arch/ppc-clobbered-registers-O2.exp +new file mode 100644 +--- /dev/null ++++ b/gdb/testsuite/gdb.arch/ppc-clobbered-registers-O2.exp +@@ -0,0 +1,54 @@ ++# Copyright 2006 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. ++# ++# This file is part of the gdb testsuite. ++ ++# Test displaying call clobbered registers in optimized binaries for ppc. ++# GDB should not show incorrect values. ++ ++if ![istarget "powerpc*-*"] then { ++ verbose "Skipping powerpc* call clobbered registers testing." ++ return ++} ++ ++set testfile "ppc-clobbered-registers-O2" ++set srcfile ${testfile}.c ++set binfile [standard_output_file ${testfile}] ++set compile_flags "debug additional_flags=-O2" ++ ++if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ${compile_flags}] != "" } { ++ unsupported "Testcase compile failed." ++ return -1 ++} ++ ++gdb_exit ++gdb_start ++gdb_reinitialize_dir $srcdir/$subdir ++gdb_load ${binfile} ++ ++if ![runto_main] then { ++ perror "Couldn't run to breakpoint" ++ continue ++} ++ ++gdb_test "b start_sequence" ".*Breakpoint 2 at.*line 6.*" \ ++ "Insert breakpoint at problematic function" ++ ++gdb_test continue ".*Breakpoint 2.*in start_sequence.*" \ ++ "Run until problematic function" ++ ++gdb_test backtrace ".*operand0=<value optimized out>.*operand1=<value optimized out>.*" \ ++ "Check value of call clobbered registers" |