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linux-user: use TARGET_SA_ONSTACK in get_sigframe 

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 <laurent.desnogues@gmail.com>
Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
This commit is contained in:
Riku Voipio 2014-07-15 17:01:55 +03:00
parent 2dd08dfd9a
commit b545f63fa9
1 changed files with 4 additions and 3 deletions
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7
linux-user/signal.c
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@ -1305,7 +1305,7 @@ static abi_ulong get_sigframe(struct target_sigaction *ka, CPUARMState *env)
/* /*
* This is the X/Open sanctioned signal stack switching. * 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; 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]; 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; sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
}
return ((sp - frame_size) & -8UL); return ((sp - frame_size) & -8UL);
} }
@ -3891,7 +3892,7 @@ static inline abi_ulong get_sigframe(struct target_sigaction *ka,
/* redzone */ /* redzone */
/* This is the X/Open sanctioned signal stack switching. */ /* 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; sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
} }