diff options
Diffstat (limited to 'gdb/testsuite/gdb.arch')
| -rw-r--r-- | gdb/testsuite/gdb.arch/ppc64-atomic-inst.S | 61 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/ppc64-atomic-inst.c | 44 | ||||
| -rw-r--r-- | gdb/testsuite/gdb.arch/ppc64-atomic-inst.exp | 15 |
3 files changed, 72 insertions, 48 deletions
diff --git a/gdb/testsuite/gdb.arch/ppc64-atomic-inst.S b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.S new file mode 100644 index 0000000..15ccfd9 --- /dev/null +++ b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.S @@ -0,0 +1,61 @@ +/* This file is part of GDB, the GNU debugger. + + Copyright 2008-2014 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/>. */ + + .align 2 + .globl main +#if _CALL_ELF == 2 + .type main,@function +main: +#else + .section ".opd","aw" + .align 3 +main: + .quad .main,.TOC.@tocbase,0 + .size main,.-main + .previous + .globl .main + .type .main,@function +.main: +#endif + + li 0,0 + addi 4,1,-8 + + stw 0,0(4) +1: lwarx 5,0,4 + cmpwi 5,0 + bne 2f + addi 5,5,1 + stwcx. 5,0,4 + bne 1b + + std 0,0(4) +2: ldarx 5,0,4 + cmpdi 5,0 + bne 3f + addi 5,5,1 + stdcx. 5,0,4 + bne 1b + +3: li 3,0 + blr + +#if _CALL_ELF == 2 + .size main,.-main +#else + .size .main,.-.main +#endif diff --git a/gdb/testsuite/gdb.arch/ppc64-atomic-inst.c b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.c deleted file mode 100644 index 303e383..0000000 --- a/gdb/testsuite/gdb.arch/ppc64-atomic-inst.c +++ /dev/null @@ -1,44 +0,0 @@ -/* This file is part of GDB, the GNU debugger. - - Copyright 2008-2014 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; -} diff --git a/gdb/testsuite/gdb.arch/ppc64-atomic-inst.exp b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.exp index f5f3b40..cefdfc9 100644 --- a/gdb/testsuite/gdb.arch/ppc64-atomic-inst.exp +++ b/gdb/testsuite/gdb.arch/ppc64-atomic-inst.exp @@ -27,7 +27,7 @@ if {![istarget "powerpc*"] || ![is_lp64_target]} { } set testfile "ppc64-atomic-inst" -set srcfile ${testfile}.c +set srcfile ${testfile}.S set binfile ${objdir}/${subdir}/${testfile} set compile_flags {debug quiet} @@ -50,11 +50,18 @@ set bp1 [gdb_get_line_number "lwarx"] gdb_breakpoint "$bp1" "Breakpoint $decimal at $hex" \ "Set the breakpoint at the start of the sequence" +set bp2 [gdb_get_line_number "ldarx"] +gdb_breakpoint "$bp2" "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.*" \ +gdb_test nexti "bne.*1b" \ "Step through the lwarx/stwcx sequence" -gdb_test next ".*return 0.*" \ - "Step through the ldarx/stdcx sequence" +gdb_test continue "Continuing.*Breakpoint $decimal.*" \ + "Continue until breakpoint" + +gdb_test nexti "bne.*1b" \ + "Step through the lwarx/stwcx sequence" |