These tests were inspired by the corresponding aarch64 ones that I just
committed. They already pass.
Tested on arm-linux-gnueabi, arm-linux-gnueabihf and armeb-eabi.
OK for trunk?
Richard
gcc/testsuite/
* gcc.target/arm/stack-protector-5.c: New test.
* gcc.target/arm/stack-protector-6.c: Likewise.
---
.../gcc.target/arm/stack-protector-5.c | 21 +++++++++++++++++++
.../gcc.target/arm/stack-protector-6.c | 8 +++++++
2 files changed, 29 insertions(+)
create mode 100644 gcc/testsuite/gcc.target/arm/stack-protector-5.c
create mode 100644 gcc/testsuite/gcc.target/arm/stack-protector-6.c
diff --git a/gcc/testsuite/gcc.target/arm/stack-protector-5.c
b/gcc/testsuite/gcc.target/arm/stack-protector-5.c
new file mode 100644
index 00000000000..b808b11aa3d
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/stack-protector-5.c
@@ -0,0 +1,21 @@
+/* { dg-do compile } */
+/* { dg-options "-fstack-protector-all -O2" } */
+
+void __attribute__ ((noipa))
+f (void)
+{
+ volatile int x;
+ asm volatile ("" :::
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
+ "r8", "r9", "r10", "r11", "r12", "r14");
+}
+
+/* The register clobbers above should not generate any single LDRs or STRs;
+ all registers should be pushed and popped using register lists. The only
+ STRs should therefore be those associated with the stack protector tests
+ themselves.
+
+ Make sure the address of the canary is not spilled and reloaded,
+ since that would give the attacker an opportunity to change the
+ canary value. */
+/* { dg-final { scan-assembler-times {\tstr\t} 1 } } */
diff --git a/gcc/testsuite/gcc.target/arm/stack-protector-6.c
b/gcc/testsuite/gcc.target/arm/stack-protector-6.c
new file mode 100644
index 00000000000..f8eec878bd6
--- /dev/null
+++ b/gcc/testsuite/gcc.target/arm/stack-protector-6.c
@@ -0,0 +1,8 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target fpic } */
+/* { dg-options "-fstack-protector-all -O2 -fpic" } */
+
+#include "stack-protector-5.c"
+
+/* See the comment in stack-protector-5.c. */
+/* { dg-final { scan-assembler-times {\tstr\t} 1 } } */
