diff options
| author | Laurent Vivier <laurent@vivier.eu> | 2018-04-11 21:23:47 +0200 |
|---|---|---|
| committer | Laurent Vivier <laurent@vivier.eu> | 2018-05-03 18:29:15 +0200 |
| commit | 465e237bf7cb6a9d8f9f137508125a14efcce1d6 (patch) | |
| tree | 1eaf5f3576d7f080b2a664466582975ae81ae986 /linux-user/aarch64 | |
| parent | e8fa72957419c11984608062c7dcb204a6003a06 (diff) | |
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/aarch64')
| -rw-r--r-- | linux-user/aarch64/signal.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/linux-user/aarch64/signal.c b/linux-user/aarch64/signal.c index d90e10a113..f95dc61dfb 100644 --- a/linux-user/aarch64/signal.c +++ b/linux-user/aarch64/signal.c @@ -120,9 +120,7 @@ static void target_setup_general_frame(struct target_rt_sigframe *sf, __put_user(0, &sf->uc.tuc_flags); __put_user(0, &sf->uc.tuc_link); - __put_user(target_sigaltstack_used.ss_sp, &sf->uc.tuc_stack.ss_sp); - __put_user(sas_ss_flags(env->xregs[31]), &sf->uc.tuc_stack.ss_flags); - __put_user(target_sigaltstack_used.ss_size, &sf->uc.tuc_stack.ss_size); + target_save_altstack(&sf->uc.tuc_stack, env); for (i = 0; i < 31; i++) { __put_user(env->xregs[i], &sf->uc.tuc_mcontext.regs[i]); @@ -372,14 +370,7 @@ static abi_ulong get_sigframe(struct target_sigaction *ka, { abi_ulong sp; - sp = env->xregs[31]; - - /* - * This is the X/Open sanctioned signal stack switching. - */ - if ((ka->sa_flags & TARGET_SA_ONSTACK) && !sas_ss_flags(sp)) { - sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size; - } + sp = target_sigsp(get_sp_from_cpustate(env), ka); sp = (sp - size) & ~15; |