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[Qemu-devel] [PULL for-2.1 5/5] linux-user: use TARGET_SA_ONSTACK in get


From: riku . voipio
Subject: [Qemu-devel] [PULL for-2.1 5/5] linux-user: use TARGET_SA_ONSTACK in get_sigframe
Date: Tue, 15 Jul 2014 17:24:57 +0300

From: Riku Voipio <address@hidden>

As reported by Laurent, which should use TARGET_SA_ONSTACK
on arm, microblaze and openrisc targets like we do on all
others. Practical matter is minimal as for almost all archs
SA_ONSTACK is 0x08000000:

http://lxr.free-electrons.com/ident?i=SA_ONSTACK

Reported-by: Laurent Desnogues <address@hidden>
Signed-off-by: Riku Voipio <address@hidden>
---
 linux-user/signal.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/linux-user/signal.c b/linux-user/signal.c
index f3b4378..1141054 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -1305,7 +1305,7 @@ static abi_ulong get_sigframe(struct target_sigaction 
*ka, CPUARMState *env)
     /*
      * This is the X/Open sanctioned signal stack switching.
      */
-    if ((ka->sa_flags & SA_ONSTACK) && !sas_ss_flags(sp)) {
+    if ((ka->sa_flags & TARGET_SA_ONSTACK) && !sas_ss_flags(sp)) {
         sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
     }
 
@@ -3509,8 +3509,9 @@ static abi_ulong get_sigframe(struct target_sigaction *ka,
 {
     abi_ulong sp = env->regs[1];
 
-    if ((ka->sa_flags & SA_ONSTACK) != 0 && !on_sig_stack(sp))
+    if ((ka->sa_flags & TARGET_SA_ONSTACK) != 0 && !on_sig_stack(sp)) {
         sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
+    }
 
     return ((sp - frame_size) & -8UL);
 }
@@ -3891,7 +3892,7 @@ static inline abi_ulong get_sigframe(struct 
target_sigaction *ka,
 
     /* redzone */
     /* This is the X/Open sanctioned signal stack switching.  */
-    if ((ka->sa_flags & SA_ONSTACK) != 0 && !onsigstack) {
+    if ((ka->sa_flags & TARGET_SA_ONSTACK) != 0 && !onsigstack) {
         sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
     }
 
-- 
2.0.0




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