From: Bill Schmidt Date: Thu, 13 May 2021 18:33:35 +0000 (-0500) Subject: rs6000: Add ROP tests X-Git-Tag: releases/gcc-11.2.0~361 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=11bdfd3ab1cdc56cd25c00a0d5e4578a2007b76c;p=thirdparty%2Fgcc.git rs6000: Add ROP tests 2021-05-13 Bill Schmidt gcc/testsuite/ * gcc.target/powerpc/rop-1.c: New. * gcc.target/powerpc/rop-2.c: New. * gcc.target/powerpc/rop-3.c: New. * gcc.target/powerpc/rop-4.c: New. * gcc.target/powerpc/rop-5.c: New. --- diff --git a/gcc/testsuite/gcc.target/powerpc/rop-1.c b/gcc/testsuite/gcc.target/powerpc/rop-1.c new file mode 100644 index 000000000000..8cedcb6668aa --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/rop-1.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect" } */ +/* { dg-require-effective-target powerpc_elfv2 } */ + +/* Verify that ROP-protect instructions are inserted when a + call is present. */ + +extern void foo (void); + +int bar () +{ + foo (); + return 5; +} + +/* { dg-final { scan-assembler-times {\mhashst\M} 1 } } */ +/* { dg-final { scan-assembler-times {\mhashchk\M} 1 } } */ diff --git a/gcc/testsuite/gcc.target/powerpc/rop-2.c b/gcc/testsuite/gcc.target/powerpc/rop-2.c new file mode 100644 index 000000000000..c556952aec1b --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/rop-2.c @@ -0,0 +1,17 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect -mprivileged" } */ +/* { dg-require-effective-target powerpc_elfv2 } */ + +/* Verify that privileged ROP-protect instructions are inserted when a + call is present. */ + +extern void foo (void); + +int bar () +{ + foo (); + return 5; +} + +/* { dg-final { scan-assembler-times {\mhashstp\M} 1 } } */ +/* { dg-final { scan-assembler-times {\mhashchkp\M} 1 } } */ diff --git a/gcc/testsuite/gcc.target/powerpc/rop-3.c b/gcc/testsuite/gcc.target/powerpc/rop-3.c new file mode 100644 index 000000000000..8d03792e3e5e --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/rop-3.c @@ -0,0 +1,18 @@ +/* { dg-do run { target { power10_hw } } } */ +/* { dg-require-effective-target powerpc_elfv2 } */ +/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect" } */ + +/* Verify that ROP-protect instructions execute correctly when a + call is present. */ + +void __attribute__((noipa)) foo () +{ + asm (""); +} + +int main () +{ + foo (); + return 0; +} + diff --git a/gcc/testsuite/gcc.target/powerpc/rop-4.c b/gcc/testsuite/gcc.target/powerpc/rop-4.c new file mode 100644 index 000000000000..dcf47c63fb79 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/rop-4.c @@ -0,0 +1,15 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect" } */ +/* { dg-require-effective-target powerpc_elfv2 } */ + +/* Verify that no ROP-protect instructions are inserted when no + call is present. */ + + +int bar () +{ + return 5; +} + +/* { dg-final { scan-assembler-not {\mhashst\M} } } */ +/* { dg-final { scan-assembler-not {\mhashchk\M} } } */ diff --git a/gcc/testsuite/gcc.target/powerpc/rop-5.c b/gcc/testsuite/gcc.target/powerpc/rop-5.c new file mode 100644 index 000000000000..cf04ea90eeb4 --- /dev/null +++ b/gcc/testsuite/gcc.target/powerpc/rop-5.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mdejagnu-cpu=power10 -mrop-protect" } */ + +/* Verify that __ROP_PROTECT__ is predefined for -mrop-protect. */ + +int foo () +{ +#ifndef __ROP_PROTECT__ + __ROP_PROTECT__ macro is not defined when it should be +#endif + return 0; +} +