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* [gcc r12-5780] rs6000: testsuite: Add rop_ok effective-target function
@ 2021-12-03 20:32 Peter Bergner
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From: Peter Bergner @ 2021-12-03 20:32 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:d81722ee16e339af7c11b3d1bf51c17246557595
commit r12-5780-gd81722ee16e339af7c11b3d1bf51c17246557595
Author: Peter Bergner <bergner@linux.ibm.com>
Date: Fri Dec 3 11:46:22 2021 -0600
rs6000: testsuite: Add rop_ok effective-target function
This patch adds a new effective-target function that tests whether
it is safe to emit the ROP-protect instructions and updates the
ROP test cases to use it.
2021-12-03 Peter Bergner <bergner@linux.ibm.com>
gcc/testsuite/
* lib/target-supports.exp (check_effective_target_rop_ok): New function.
* gcc.target/powerpc/rop-1.c: Use it.
* gcc.target/powerpc/rop-2.c: Likewise.
* gcc.target/powerpc/rop-3.c: Likewise.
* gcc.target/powerpc/rop-4.c: Likewise.
* gcc.target/powerpc/rop-5.c: Likewise.
Diff:
---
gcc/testsuite/gcc.target/powerpc/rop-1.c | 2 +-
gcc/testsuite/gcc.target/powerpc/rop-2.c | 2 +-
gcc/testsuite/gcc.target/powerpc/rop-3.c | 2 +-
gcc/testsuite/gcc.target/powerpc/rop-4.c | 2 +-
gcc/testsuite/gcc.target/powerpc/rop-5.c | 2 +-
gcc/testsuite/lib/target-supports.exp | 7 +++++++
6 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/gcc/testsuite/gcc.target/powerpc/rop-1.c b/gcc/testsuite/gcc.target/powerpc/rop-1.c
index 8cedcb6668a..12893dec027 100644
--- a/gcc/testsuite/gcc.target/powerpc/rop-1.c
+++ b/gcc/testsuite/gcc.target/powerpc/rop-1.c
@@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect" } */
-/* { dg-require-effective-target powerpc_elfv2 } */
+/* { dg-require-effective-target rop_ok } */
/* Verify that ROP-protect instructions are inserted when a
call is present. */
diff --git a/gcc/testsuite/gcc.target/powerpc/rop-2.c b/gcc/testsuite/gcc.target/powerpc/rop-2.c
index c556952aec1..5f1d7c39bfc 100644
--- a/gcc/testsuite/gcc.target/powerpc/rop-2.c
+++ b/gcc/testsuite/gcc.target/powerpc/rop-2.c
@@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect -mprivileged" } */
-/* { dg-require-effective-target powerpc_elfv2 } */
+/* { dg-require-effective-target rop_ok } */
/* Verify that privileged ROP-protect instructions are inserted when a
call is present. */
diff --git a/gcc/testsuite/gcc.target/powerpc/rop-3.c b/gcc/testsuite/gcc.target/powerpc/rop-3.c
index 8d03792e3e5..d2ef3bf4bad 100644
--- a/gcc/testsuite/gcc.target/powerpc/rop-3.c
+++ b/gcc/testsuite/gcc.target/powerpc/rop-3.c
@@ -1,5 +1,5 @@
/* { dg-do run { target { power10_hw } } } */
-/* { dg-require-effective-target powerpc_elfv2 } */
+/* { dg-require-effective-target rop_ok } */
/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect" } */
/* Verify that ROP-protect instructions execute correctly when a
diff --git a/gcc/testsuite/gcc.target/powerpc/rop-4.c b/gcc/testsuite/gcc.target/powerpc/rop-4.c
index dcf47c63fb7..80faa9b3f7b 100644
--- a/gcc/testsuite/gcc.target/powerpc/rop-4.c
+++ b/gcc/testsuite/gcc.target/powerpc/rop-4.c
@@ -1,6 +1,6 @@
/* { dg-do compile } */
/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect" } */
-/* { dg-require-effective-target powerpc_elfv2 } */
+/* { dg-require-effective-target rop_ok } */
/* Verify that no ROP-protect instructions are inserted when no
call is present. */
diff --git a/gcc/testsuite/gcc.target/powerpc/rop-5.c b/gcc/testsuite/gcc.target/powerpc/rop-5.c
index f2594df8a44..f7970f1fe25 100644
--- a/gcc/testsuite/gcc.target/powerpc/rop-5.c
+++ b/gcc/testsuite/gcc.target/powerpc/rop-5.c
@@ -1,5 +1,5 @@
/* { dg-do compile } */
-/* { dg-require-effective-target powerpc_elfv2 } */
+/* { dg-require-effective-target rop_ok } */
/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect" } */
/* Verify that __ROP_PROTECT__ is predefined for -mrop-protect. */
diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index caa8ab93056..7956c387c55 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -6628,6 +6628,13 @@ proc check_effective_target_powerpc_elfv2 { } {
}
}
+# Return 1 if this is a PowerPC target supporting -mrop-protect
+
+proc check_effective_target_rop_ok { } {
+ return [check_effective_target_power10_ok]
+ && [check_effective_target_powerpc_elfv2]
+}
+
# The VxWorks SPARC simulator accepts only EM_SPARC executables and
# chokes on EM_SPARC32PLUS or EM_SPARCV9 executables. Return 1 if the
# test environment appears to run executables on such a simulator.
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