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* gdb.arch/ppc64-atomic-inst.c: New testcase source file.

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* gdb.arch/ppc64-atomic-inst.exp: New testcase expect file.
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Luis Machado 2008-01-31 16:00:25 +00:00
parent a16b8bcdf9
commit fb546a2f2e
3 changed files with 115 additions and 0 deletions
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gdb/testsuite/ChangeLog
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2008-01-31 Luis Machado <luisgpm@br.ibm.com>
* gdb.arch/ppc64-atomic-inst.c: New testcase source file.
* gdb.arch/ppc64-atomic-inst.exp: New testcase expect file.
2008-01-31 Pierre Muller <muller@ics.u-strasbg.fr>
* gdb.pascal/integers.pas: New test program.

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gdb/testsuite/gdb.arch/ppc64-atomic-inst.c Normal file
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/* This file is part of GDB, the GNU debugger.
Copyright 2008 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/>. */
#include <stdio.h>
int main()
{
unsigned int word = 0;
unsigned int *word_addr = &word;
unsigned long dword = 0;
unsigned long *dword_addr = &dword;
__asm __volatile ("1: lwarx %0,0,%2\n" \
" addi %0,%0,1\n" \
" stwcx. %0,0,%2\n" \
" bne- 1b" \
: "=&b" (word), "=m" (*word_addr) \
: "b" (word_addr), "m" (*word_addr) \
: "cr0", "memory"); \
__asm __volatile ("1: ldarx %0,0,%2\n" \
" addi %0,%0,1\n" \
" stdcx. %0,0,%2\n" \
" bne- 1b" \
: "=&b" (dword), "=m" (*dword_addr) \
: "b" (dword_addr), "m" (*dword_addr) \
: "cr0", "memory"); \
return 0;
}

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gdb/testsuite/gdb.arch/ppc64-atomic-inst.exp Normal file
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# Copyright 2008 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, 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.
if $tracelevel {
strace $tracelevel
}
# Test single stepping through atomic sequences beginning with
# a lwarx/ldarx instruction and ending with a stwcx/stdcx
# instruction.
set prms_id 0
set bug_id 0
if ![istarget "powerpc64-*"] then {
verbose "Skipping testing of powerpc64 single stepping over atomic sequences."
return
}
set testfile "ppc64-atomic-inst"
set srcfile ${testfile}.c
set binfile ${objdir}/${subdir}/${testfile}
set compile_flags "debug"
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [concat debug additional_flags=-m64]] != "" } {
unsupported "Testcase compile failed."
return -1
}
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
if ![runto_main] then {
perror "Couldn't run to breakpoint"
continue
}
set bp1 [gdb_get_line_number "lwarx"]
gdb_breakpoint "$bp1" "Breakpoint $decimal at $hex" \
"Set the breakpoint at the start of the sequence"
gdb_test continue "Continuing.*Breakpoint $decimal.*" \
"Continue until breakpoint"
gdb_test next ".*__asm __volatile.*" \
"Step through the lwarx/stwcx sequence"
gdb_test next ".*return 0.*" \
"Step through the ldarx/stdcx sequence"