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[PATCH][GCC][AARCH64] Add effective-target check to b key execution tests

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gcc/testsuite
2019-08-09  Sam Tebbs<sam.tebbs@arm.com>

	* lib/target-supports.exp
	(check_effective_target_arm_v8_4a_bkey_directive): New proc.
	* g++.target/aarch64/return_address_sign_b_exception.C,
	return_address_sign_ab_exception.C: Add dg-require-effective-target
	checks.

From-SVN: r274236
This commit is contained in:
Sam Tebbs 2019-08-09 14:11:54 +00:00 committed by Sam Tebbs
parent 33e8e0ee4c
commit 9c4cb8615f
4 changed files with 20 additions and 0 deletions
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8
gcc/testsuite/ChangeLog
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@ -1,3 +1,11 @@
2019-08-09 Sam Tebbs <sam.tebbs@arm.com>
* lib/target-supports.exp
(check_effective_target_arm_v8_4a_bkey_directive): New proc.
* g++.target/aarch64/return_address_sign_b_exception.C,
return_address_sign_ab_exception.C: Add dg-require-effective-target
checks.
2019-08-09 Richard Sandiford <richard.sandiford@arm.com>
PR middle-end/90313

1
gcc/testsuite/g++.target/aarch64/return_address_sign_ab_exception.C
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@ -1,5 +1,6 @@
/* { dg-do run } */
/* { dg-options "--save-temps" } */
/* { dg-require-effective-target arm_v8_3a_bkey_directive } */
__attribute__((target("branch-protection=pac-ret+leaf")))
int foo_a () {

1
gcc/testsuite/g++.target/aarch64/return_address_sign_b_exception.C
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@ -1,5 +1,6 @@
/* { dg-do run } */
/* { dg-options "-mbranch-protection=pac-ret+leaf+b-key --save-temps" } */
/* { dg-require-effective-target arm_v8_3a_bkey_directive } */
int foo () {
throw 22;

10
gcc/testsuite/lib/target-supports.exp
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@ -9463,6 +9463,16 @@ proc check_effective_target_arm_v8_3a_complex_neon_hw { } {
} [add_options_for_arm_v8_3a_complex_neon ""]]
}
# Return 1 if the assembler supports assembling the Armv8.3 pointer authentication B key directive
proc check_effective_target_arm_v8_3a_bkey_directive { } {
return [check_no_compiler_messages cet object {
int main(void) {
asm (".cfi_b_key_frame");
return 0;
}
}]
}
# Returns 1 if the target is using glibc, 0 otherwise.
proc check_effective_target_glibc { } {