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[1/5] linux-user/signal.c: Fix AArch64 big-endian FP register restore

Message ID 1393789002-29960-2-git-send-email-peter.maydell@linaro.org
State Superseded
Headers show

Commit Message

Peter Maydell March 2, 2014, 7:36 p.m. UTC 
Fix the loop restoring the FP registers from the signal frame to match
the one used when setting up the signal frame, so that it handles
TARGET_WORDS_BIGENDIAN being set.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 linux-user/signal.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)
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Patch

diff --git a/linux-user/signal.c b/linux-user/signal.c
index 04638e2..29734b2 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -1233,8 +1233,14 @@  static int target_restore_sigframe(CPUARMState *env,
         return 1;
     }
 
-    for (i = 0; i < 32 * 2; i++) {
-        __get_user(env->vfp.regs[i], &aux->fpsimd.vregs[i]);
+    for (i = 0; i < 32; i++) {
+#ifdef TARGET_WORDS_BIGENDIAN
+        __get_user(env->vfp.regs[i * 2], &aux->fpsimd.vregs[i * 2 + 1]);
+        __get_user(env->vfp.regs[i * 2 + 1], &aux->fpsimd.vregs[i * 2]);
+#else
+        __get_user(env->vfp.regs[i * 2], &aux->fpsimd.vregs[i * 2]);
+        __get_user(env->vfp.regs[i * 2 + 1], &aux->fpsimd.vregs[i * 2 + 1]);
+#endif
     }
     __get_user(fpsr, &aux->fpsimd.fpsr);
     vfp_set_fpsr(env, fpsr);