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320 lines
8.9 KiB
320 lines
8.9 KiB
From FEDORA_PATCHES Mon Sep 17 00:00:00 2001 |
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From: Fedora GDB patches <invalid@email.com> |
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Date: Fri, 27 Oct 2017 21:07:50 +0200 |
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Subject: gdb-6.3-bz140532-ppc-unwinding-test.patch |
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;; Update PPC unwinding patches to their upstream variants (BZ 140532). |
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;;=fedoratest |
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diff --git a/gdb/testsuite/gdb.arch/powerpc-bcl-prologue-asm32.S b/gdb/testsuite/gdb.arch/powerpc-bcl-prologue-asm32.S |
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new file mode 100644 |
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--- /dev/null |
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+++ b/gdb/testsuite/gdb.arch/powerpc-bcl-prologue-asm32.S |
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@@ -0,0 +1,78 @@ |
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+/* This testcase is part of GDB, the GNU debugger. |
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+ |
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+ Copyright 2007 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 2 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, write to the Free Software |
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+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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+ |
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+ .section ".text" |
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+ .align 2 |
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+ .globl func0 |
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+ .type func0, @function |
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+func0: |
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+ stwu 1,-16(1) |
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+ mflr 0 |
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+ stw 31,12(1) |
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+ stw 0,20(1) |
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+ mr 31,1 |
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+ bl abort |
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+ .size func0, .-func0 |
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+ .align 2 |
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+ .globl func1 |
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+ .type func1, @function |
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+func1: |
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+ stwu 1,-16(1) |
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+ mflr 0 |
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+/* 20 = BO = branch always |
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+ 31 = BI = CR bit (ignored) */ |
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+ bcl 20,31,.Lpie |
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+.Lpie: stw 31,12(1) |
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+ stw 0,20(1) |
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+ mr 31,1 |
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+ bl func0 |
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+ mr 0,3 |
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+ lis 9,var@ha |
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+ lwz 9,var@l(9) |
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+ add 0,0,9 |
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+ mr 3,0 |
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+ lwz 11,0(1) |
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+ lwz 0,4(11) |
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+ mtlr 0 |
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+ lwz 31,-4(11) |
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+ mr 1,11 |
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+ blr |
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+ .size func1, .-func1 |
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+ .section .note.GNU-stack,"",@progbits |
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+ .ident "GCC: (GNU) 3.4.6 20060404 (Red Hat 3.4.6-8)" |
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+ |
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+/* Original source file: |
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+ |
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+#include <stdlib.h> |
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+ |
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+extern volatile int var; |
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+ |
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+int func0 (void) __attribute__((__noinline__)); |
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+int func0 (void) |
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+{ |
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+ abort (); |
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+ return var; |
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+} |
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+ |
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+int func1 (void) __attribute__((__noinline__)); |
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+int func1 (void) |
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+{ |
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+ return func0 () + var; |
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+} |
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+ |
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+*/ |
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diff --git a/gdb/testsuite/gdb.arch/powerpc-bcl-prologue-asm64.S b/gdb/testsuite/gdb.arch/powerpc-bcl-prologue-asm64.S |
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new file mode 100644 |
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--- /dev/null |
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+++ b/gdb/testsuite/gdb.arch/powerpc-bcl-prologue-asm64.S |
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@@ -0,0 +1,98 @@ |
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+/* This testcase is part of GDB, the GNU debugger. |
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+ |
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+ Copyright 2007 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 2 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, write to the Free Software |
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+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ |
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+ |
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+ .section ".toc","aw" |
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+ .section ".text" |
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+ .align 2 |
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+ .globl func0 |
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+ .section ".opd","aw" |
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+ .align 3 |
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+func0: |
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+ .quad .L.func0,.TOC.@tocbase |
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+ .previous |
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+ .type func0, @function |
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+.L.func0: |
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+ mflr 0 |
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+ std 31,-8(1) |
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+ std 0,16(1) |
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+ stdu 1,-128(1) |
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+ mr 31,1 |
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+ bl abort |
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+ nop |
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+ .long 0 |
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+ .byte 0,0,0,1,128,1,0,1 |
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+ .size func0,.-.L.func0 |
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+ .section ".toc","aw" |
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+.LC1: |
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+ .tc var[TC],var |
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+ .section ".text" |
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+ .align 2 |
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+ .globl func1 |
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+ .section ".opd","aw" |
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+ .align 3 |
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+func1: |
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+ .quad .L.func1,.TOC.@tocbase |
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+ .previous |
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+ .type func1, @function |
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+.L.func1: |
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+ mflr 0 |
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+/* 20 = BO = branch always |
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+ 31 = BI = CR bit (ignored) */ |
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+ bcl 20,31,.Lpie |
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+.Lpie: std 31,-8(1) |
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+ std 0,16(1) |
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+ stdu 1,-128(1) |
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+ mr 31,1 |
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+ bl func0 |
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+ mr 11,3 |
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+ ld 9,.LC1@toc(2) |
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+ lwz 0,0(9) |
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+ add 0,11,0 |
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+ extsw 0,0 |
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+ mr 3,0 |
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+ ld 1,0(1) |
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+ ld 0,16(1) |
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+ mtlr 0 |
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+ ld 31,-8(1) |
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+ blr |
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+ .long 0 |
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+ .byte 0,0,0,1,128,1,0,1 |
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+ .size func1,.-.L.func1 |
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+ .section .note.GNU-stack,"",@progbits |
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+ .ident "GCC: (GNU) 3.4.6 20060404 (Red Hat 3.4.6-8)" |
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+ |
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+/* Original source file: |
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+ |
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+#include <stdlib.h> |
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+ |
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+extern volatile int var; |
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+ |
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+int func0 (void) __attribute__((__noinline__)); |
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+int func0 (void) |
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+{ |
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+ abort (); |
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+ return var; |
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+} |
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+ |
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+int func1 (void) __attribute__((__noinline__)); |
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+int func1 (void) |
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+{ |
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+ return func0 () + var; |
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+} |
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+ |
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+*/ |
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diff --git a/gdb/testsuite/gdb.arch/powerpc-bcl-prologue.c b/gdb/testsuite/gdb.arch/powerpc-bcl-prologue.c |
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new file mode 100644 |
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--- /dev/null |
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+++ b/gdb/testsuite/gdb.arch/powerpc-bcl-prologue.c |
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@@ -0,0 +1,29 @@ |
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+/* This testcase is part of GDB, the GNU debugger. |
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+ |
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+ Copyright 2007 Free Software Foundation, Inc. |
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+ |
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+ 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. |
|
+ |
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+ 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. |
|
+ |
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+ 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. */ |
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+ |
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+/* Force `-fpie' double jump bl->blrl. */ |
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+/* No longer used. */ |
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+volatile int var; |
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+ |
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+extern int func1 (void); |
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+ |
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+int main (void) |
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+{ |
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+ func1 (); |
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+ return 0; |
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+} |
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diff --git a/gdb/testsuite/gdb.arch/powerpc-bcl-prologue.exp b/gdb/testsuite/gdb.arch/powerpc-bcl-prologue.exp |
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new file mode 100644 |
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--- /dev/null |
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+++ b/gdb/testsuite/gdb.arch/powerpc-bcl-prologue.exp |
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@@ -0,0 +1,72 @@ |
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+# Copyright 2006, 2007 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 2 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, write to the Free Software |
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+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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+ |
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+# Test unwinding fixes of the PPC platform, specifically on the coping with BCL |
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+# jump of the PIE code. |
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+ |
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+if ![istarget "powerpc*-*-linux*"] then { |
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+ verbose "Skipping powerpc-linux prologue tests." |
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+ return |
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+} |
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+ |
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+set testfile "powerpc-bcl-prologue" |
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+set srcfile1 ${testfile}.c |
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+set flags "debug" |
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+if [istarget "powerpc-*"] then { |
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+ set srcfile2 ${testfile}-asm32.S |
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+ set flags "$flags additional_flags=-m32" |
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+} elseif [istarget "powerpc64-*"] then { |
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+ set srcfile2 ${testfile}-asm64.S |
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+ set flags "$flags additional_flags=-m64" |
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+} else { |
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+ fail "powerpc arch test" |
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+ return |
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+} |
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+set objfile2 [standard_output_file ${testfile}-asm.o] |
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+set binfile [standard_output_file ${testfile}] |
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+ |
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+if { [gdb_compile "${srcdir}/${subdir}/${srcfile1} ${srcdir}/${subdir}/${srcfile2}" ${binfile} executable $flags] != ""} { |
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+ return -1 |
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+} |
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+ |
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+gdb_exit |
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+gdb_start |
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+gdb_reinitialize_dir $srcdir/$subdir |
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+gdb_load ${binfile} |
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+ |
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+# We should stop in abort(3). |
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+ |
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+gdb_run_cmd |
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+ |
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+gdb_test_multiple {} "continue to abort()" { |
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+ -re ".*Program received signal SIGABRT,.*$gdb_prompt $" { |
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+ pass "continue to abort()" |
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+ } |
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+} |
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+ |
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+# Check backtrace: |
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+# #3 0x0804835f in func0 () |
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+# #4 0x0804836a in func1 () |
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+# #5 0x0804838c in main () |
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+# (gdb) |
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+# `\\.?' prefixes are needed for ppc64 without `debug' (another bug). |
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+ |
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+set test "matching unwind" |
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+gdb_test_multiple "backtrace" $test { |
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+ -re "\r\n#\[0-9\]\[^\r\n\]* in \\.?func0 \\(\[^\r\n\]*\r\n#\[0-9\]\[^\r\n\]* in \\.?func1 \\(\[^\r\n\]*\r\n#\[0-9\]\[^\r\n\]* in \\.?main \\(\[^\r\n\]*\r\n$gdb_prompt $" { |
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+ pass $test |
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+ } |
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+} |
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diff --git a/gdb/testsuite/gdb.arch/powerpc-prologue.exp b/gdb/testsuite/gdb.arch/powerpc-prologue.exp |
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--- a/gdb/testsuite/gdb.arch/powerpc-prologue.exp |
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+++ b/gdb/testsuite/gdb.arch/powerpc-prologue.exp |
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@@ -16,8 +16,9 @@ |
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# Test PowerPC prologue analyzer. |
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# Do not run on AIX (where we won't be able to build the tests without |
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-# some surgery) or on PowerPC64 (ditto, dot symbols). |
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-if {[istarget *-*-aix*] || ![istarget "powerpc-*-*"]} then { |
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+# some surgery). PowerPC64 target would break due to dot symbols but we build |
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+# there PowerPC32 inferior. |
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+if {[istarget *-*-aix*] || ![istarget "powerpc*-*-*"]} then { |
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verbose "Skipping PowerPC prologue tests." |
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return |
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}
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