From f36dbfe1a504b85c7b3bf89fdd99991afbaa0f74 Mon Sep 17 00:00:00 2001 From: Simon Guo Date: Fri, 1 Sep 2017 10:17:14 +0800 Subject: selftests/powerpc: Fix build errors in powerpc ptrace selftests MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit GCC 7 will take "r2" in clobber list as an error and it will get following build errors for powerpc ptrace selftests even with -fno-pic option: ptrace-tm-vsx.c: In function ‘tm_vsx’: ptrace-tm-vsx.c:42:2: error: PIC register clobbered by ‘r2’ in ‘asm’ asm __volatile__( ^~~ make[1]: *** [ptrace-tm-vsx] Error 1 ptrace-tm-spd-vsx.c: In function ‘tm_spd_vsx’: ptrace-tm-spd-vsx.c:55:2: error: PIC register clobbered by ‘r2’ in ‘asm’ asm __volatile__( ^~~ make[1]: *** [ptrace-tm-spd-vsx] Error 1 ptrace-tm-spr.c: In function ‘tm_spr’: ptrace-tm-spr.c:46:2: error: PIC register clobbered by ‘r2’ in ‘asm’ asm __volatile__( ^~~ Fix the build error by removing "r2" from the clobber list. None of these asm blocks actually clobber r2. Reported-by: Seth Forshee Signed-off-by: Simon Guo Tested-by: Seth Forshee Signed-off-by: Michael Ellerman --- tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c | 4 ++-- tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c | 3 +-- tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c | 2 +- 3 files changed, 4 insertions(+), 5 deletions(-) (limited to 'tools/testing/selftests/powerpc/ptrace') diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c index 0df3c23b7888..277dade1b382 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spd-vsx.c @@ -79,8 +79,8 @@ trans: : [res] "=r" (result), [texasr] "=r" (texasr) : [fp_load] "r" (fp_load), [fp_load_ckpt] "r" (fp_load_ckpt), [sprn_texasr] "i" (SPRN_TEXASR) - : "memory", "r0", "r1", "r2", "r3", "r4", - "r8", "r9", "r10", "r11" + : "memory", "r0", "r1", "r3", "r4", + "r7", "r8", "r9", "r10", "r11" ); if (result) { diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c index 94e57cb89769..51427a2465f6 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-spr.c @@ -76,8 +76,7 @@ trans: : [tfhar] "=r" (tfhar), [res] "=r" (result), [texasr] "=r" (texasr), [cptr1] "=r" (cptr1) : [sprn_texasr] "i" (SPRN_TEXASR) - : "memory", "r0", "r1", "r2", "r3", "r4", - "r8", "r9", "r10", "r11", "r31" + : "memory", "r0", "r8", "r31" ); /* There are 2 32bit instructions before tbegin. */ diff --git a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c index b4081e2b22d5..17c23cabac3e 100644 --- a/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c +++ b/tools/testing/selftests/powerpc/ptrace/ptrace-tm-vsx.c @@ -67,7 +67,7 @@ trans: : [res] "=r" (result), [texasr] "=r" (texasr) : [fp_load] "r" (fp_load), [fp_load_ckpt] "r" (fp_load_ckpt), [sprn_texasr] "i" (SPRN_TEXASR), [cptr1] "r" (&cptr[1]) - : "memory", "r0", "r1", "r2", "r3", "r4", + : "memory", "r0", "r1", "r3", "r4", "r7", "r8", "r9", "r10", "r11" ); -- cgit v1.2.3-59-g8ed1b