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authorLaurent Vivier <laurent@vivier.eu>2018-04-11 21:23:47 +0200
committerLaurent Vivier <laurent@vivier.eu>2018-05-03 18:29:15 +0200
commit465e237bf7cb6a9d8f9f137508125a14efcce1d6 (patch)
tree1eaf5f3576d7f080b2a664466582975ae81ae986 /linux-user/sh4
parente8fa72957419c11984608062c7dcb204a6003a06 (diff)
downloadqemu-465e237bf7cb6a9d8f9f137508125a14efcce1d6.tar.gz
linux-user: introduce target_sigsp() and target_save_altstack()
Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20180411192347.30228-1-laurent@vivier.eu>
Diffstat (limited to 'linux-user/sh4')
-rw-r--r--linux-user/sh4/signal.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/linux-user/sh4/signal.c b/linux-user/sh4/signal.c
index 5ce182aff7..2a5378e16e 100644
--- a/linux-user/sh4/signal.c
+++ b/linux-user/sh4/signal.c
@@ -78,9 +78,7 @@ struct target_rt_sigframe
static abi_ulong get_sigframe(struct target_sigaction *ka,
unsigned long sp, size_t frame_size)
{
- if ((ka->sa_flags & TARGET_SA_ONSTACK) && (sas_ss_flags(sp) == 0)) {
- sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size;
- }
+ sp = target_sigsp(sp, ka);
return (sp - frame_size) & -8ul;
}
@@ -238,12 +236,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka,
/* Create the ucontext. */
__put_user(0, &frame->uc.tuc_flags);
__put_user(0, (unsigned long *)&frame->uc.tuc_link);
- __put_user((unsigned long)target_sigaltstack_used.ss_sp,
- &frame->uc.tuc_stack.ss_sp);
- __put_user(sas_ss_flags(regs->gregs[15]),
- &frame->uc.tuc_stack.ss_flags);
- __put_user(target_sigaltstack_used.ss_size,
- &frame->uc.tuc_stack.ss_size);
+ target_save_altstack(&frame->uc.tuc_stack, regs);
setup_sigcontext(&frame->uc.tuc_mcontext,
regs, set->sig[0]);
for(i = 0; i < TARGET_NSIG_WORDS; i++) {