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List: gdb-cvs
Subject: [binutils-gdb] [gdb/testsuite] Fix gdb.reverse/step-indirect-call-thunk.exp with -fcf-protection
From: Tom de Vries via Gdb-cvs <gdb-cvs () sourceware ! org>
Date: 2022-12-30 15:48:12
Message-ID: 20221230154812.BAA9E3858D1E () sourceware ! org
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https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=d6246a8730fad9edcb972c1f689a13bb16640483
commit d6246a8730fad9edcb972c1f689a13bb16640483
Author: Tom de Vries <tdevries@suse.de>
Date: Fri Dec 30 16:48:07 2022 +0100
[gdb/testsuite] Fix gdb.reverse/step-indirect-call-thunk.exp with -fcf-protection
On Ubuntu 22.04.1 x86_64, I run into:
...
gdb.reverse/step-indirect-call-thunk.c: In function 'inc':^M
gdb.reverse/step-indirect-call-thunk.c:22:1: error: '-mindirect-branch' and \
'-fcf-protection' are not compatible^M
22 | { /* inc.1 */^M
| ^^M
...
Fix this by forcing -fcf-protection=none, if supported.
Tested on x86_64-linux.
Diff:
---
gdb/testsuite/gdb.reverse/step-indirect-call-thunk.exp | 15 ++++++++++++---
1 file changed, 12 insertions(+), 3 deletions(-)
diff --git a/gdb/testsuite/gdb.reverse/step-indirect-call-thunk.exp \
b/gdb/testsuite/gdb.reverse/step-indirect-call-thunk.exp index \
3f1f5381f09..1234a042645 100644
--- a/gdb/testsuite/gdb.reverse/step-indirect-call-thunk.exp
+++ b/gdb/testsuite/gdb.reverse/step-indirect-call-thunk.exp
@@ -20,9 +20,18 @@ if { ![supports_reverse] } {
standard_testfile
-set cflags "-mindirect-branch=thunk -mfunction-return=thunk"
-if { [prepare_for_testing "failed to prepare" $testfile $srcfile \
- [list debug "additional_flags=$cflags"]] } {
+set cflags {}
+lappend cflags debug
+lappend cflags additional_flags=-mindirect-branch=thunk
+lappend cflags additional_flags=-mfunction-return=thunk
+
+set fcf_protection_none additional_flags=-fcf-protection=none
+if { [gdb_can_simple_compile fcf-protection-none {int main () { return 0; }} \
+ executable $fcf_protection_none] } {
+ lappend cflags $fcf_protection_none
+}
+
+if { [prepare_for_testing "failed to prepare" $testfile $srcfile $cflags] } {
return -1
}
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