diff mbox series

[v1,1/4] target/ppc: fix signal delivery for ppc64abi32

Message ID 20190910193408.28917-2-alex.bennee@linaro.org
State New
Headers show
Series ELF and (macro) safety | expand

Commit Message

Alex Bennée Sept. 10, 2019, 7:34 p.m. UTC
We were incorrectly setting NIP resulting in a segfault. This fixes
linux-test for this ABI.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

---
 linux-user/ppc/signal.c             | 4 +++-
 tests/tcg/configure.sh              | 1 +
 tests/tcg/multiarch/Makefile.target | 5 -----
 3 files changed, 4 insertions(+), 6 deletions(-)

-- 
2.20.1

Comments

Alex Bennée Sept. 10, 2019, 7:45 p.m. UTC | #1
Alex Bennée <alex.bennee@linaro.org> writes:

> We were incorrectly setting NIP resulting in a segfault. This fixes

> linux-test for this ABI.


Oops, that was at the bottom of my tree for fixing ppc64abi32 which
showed up broken when testing/next enabled the TCG tests for it.

>

> Signed-off-by: Alex Bennée <alex.bennee@linaro.org>

> ---

>  linux-user/ppc/signal.c             | 4 +++-

>  tests/tcg/configure.sh              | 1 +

>  tests/tcg/multiarch/Makefile.target | 5 -----

>  3 files changed, 4 insertions(+), 6 deletions(-)

>

> diff --git a/linux-user/ppc/signal.c b/linux-user/ppc/signal.c

> index 619a56950df..5b82af6cb62 100644

> --- a/linux-user/ppc/signal.c

> +++ b/linux-user/ppc/signal.c

> @@ -501,7 +501,9 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,

>      int i, err = 0;

>  #if defined(TARGET_PPC64)

>      struct target_sigcontext *sc = 0;

> +#if !defined(TARGET_ABI32)

>      struct image_info *image = ((TaskState *)thread_cpu->opaque)->info;

> +#endif

>  #endif

>

>      rt_sf_addr = get_sigframe(ka, env, sizeof(*rt_sf));

> @@ -557,7 +559,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,

>      env->gpr[5] = (target_ulong) h2g(&rt_sf->uc);

>      env->gpr[6] = (target_ulong) h2g(rt_sf);

>

> -#if defined(TARGET_PPC64)

> +#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)

>      if (get_ppc64_abi(image) < 2) {

>          /* ELFv1 PPC64 function pointers are pointers to OPD entries. */

>          struct target_func_ptr *handler =

> diff --git a/tests/tcg/configure.sh b/tests/tcg/configure.sh

> index 6c4a471aeae..e8a1a1495fc 100755

> --- a/tests/tcg/configure.sh

> +++ b/tests/tcg/configure.sh

> @@ -54,6 +54,7 @@ fi

>  : ${cross_cc_cflags_ppc="-m32"}

>  : ${cross_cc_ppc64="powerpc-linux-gnu-gcc"}

>  : ${cross_cc_cflags_ppc64="-m64"}

> +: ${cross_cc_cflags_ppc64abi32="-mcpu=power8"}

>  : ${cross_cc_ppc64le="powerpc64le-linux-gnu-gcc"}

>  : ${cross_cc_cflags_s390x="-m64"}

>  : ${cross_cc_cflags_sparc="-m32 -mv8plus -mcpu=ultrasparc"}

> diff --git a/tests/tcg/multiarch/Makefile.target b/tests/tcg/multiarch/Makefile.target

> index 6b1e30e2fec..e6893b2e283 100644

> --- a/tests/tcg/multiarch/Makefile.target

> +++ b/tests/tcg/multiarch/Makefile.target

> @@ -12,11 +12,6 @@ VPATH 		+= $(MULTIARCH_SRC)

>  MULTIARCH_SRCS   =$(notdir $(wildcard $(MULTIARCH_SRC)/*.c))

>  MULTIARCH_TESTS  =$(MULTIARCH_SRCS:.c=)

>

> -# FIXME: ppc64abi32 linux-test seems to have issues but the other basic tests work

> -ifeq ($(TARGET_NAME),ppc64abi32)

> -BROKEN_TESTS = linux-test

> -endif

> -

>  # Update TESTS

>  TESTS		+= $(filter-out $(BROKEN_TESTS), $(MULTIARCH_TESTS))



--
Alex Bennée
diff mbox series

Patch

diff --git a/linux-user/ppc/signal.c b/linux-user/ppc/signal.c
index 619a56950df..5b82af6cb62 100644
--- a/linux-user/ppc/signal.c
+++ b/linux-user/ppc/signal.c
@@ -501,7 +501,9 @@  void setup_rt_frame(int sig, struct target_sigaction *ka,
     int i, err = 0;
 #if defined(TARGET_PPC64)
     struct target_sigcontext *sc = 0;
+#if !defined(TARGET_ABI32)
     struct image_info *image = ((TaskState *)thread_cpu->opaque)->info;
+#endif
 #endif
 
     rt_sf_addr = get_sigframe(ka, env, sizeof(*rt_sf));
@@ -557,7 +559,7 @@  void setup_rt_frame(int sig, struct target_sigaction *ka,
     env->gpr[5] = (target_ulong) h2g(&rt_sf->uc);
     env->gpr[6] = (target_ulong) h2g(rt_sf);
 
-#if defined(TARGET_PPC64)
+#if defined(TARGET_PPC64) && !defined(TARGET_ABI32)
     if (get_ppc64_abi(image) < 2) {
         /* ELFv1 PPC64 function pointers are pointers to OPD entries. */
         struct target_func_ptr *handler =
diff --git a/tests/tcg/configure.sh b/tests/tcg/configure.sh
index 6c4a471aeae..e8a1a1495fc 100755
--- a/tests/tcg/configure.sh
+++ b/tests/tcg/configure.sh
@@ -54,6 +54,7 @@  fi
 : ${cross_cc_cflags_ppc="-m32"}
 : ${cross_cc_ppc64="powerpc-linux-gnu-gcc"}
 : ${cross_cc_cflags_ppc64="-m64"}
+: ${cross_cc_cflags_ppc64abi32="-mcpu=power8"}
 : ${cross_cc_ppc64le="powerpc64le-linux-gnu-gcc"}
 : ${cross_cc_cflags_s390x="-m64"}
 : ${cross_cc_cflags_sparc="-m32 -mv8plus -mcpu=ultrasparc"}
diff --git a/tests/tcg/multiarch/Makefile.target b/tests/tcg/multiarch/Makefile.target
index 6b1e30e2fec..e6893b2e283 100644
--- a/tests/tcg/multiarch/Makefile.target
+++ b/tests/tcg/multiarch/Makefile.target
@@ -12,11 +12,6 @@  VPATH 		+= $(MULTIARCH_SRC)
 MULTIARCH_SRCS   =$(notdir $(wildcard $(MULTIARCH_SRC)/*.c))
 MULTIARCH_TESTS  =$(MULTIARCH_SRCS:.c=)
 
-# FIXME: ppc64abi32 linux-test seems to have issues but the other basic tests work
-ifeq ($(TARGET_NAME),ppc64abi32)
-BROKEN_TESTS = linux-test
-endif
-
 # Update TESTS
 TESTS		+= $(filter-out $(BROKEN_TESTS), $(MULTIARCH_TESTS))