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/tilegx | |
| 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/tilegx')
| -rw-r--r-- | linux-user/tilegx/signal.c | 13 |
1 files changed, 3 insertions, 10 deletions
diff --git a/linux-user/tilegx/signal.c b/linux-user/tilegx/signal.c index 8f54f54f95..d0ed3de569 100644 --- a/linux-user/tilegx/signal.c +++ b/linux-user/tilegx/signal.c @@ -86,17 +86,13 @@ static void restore_sigcontext(CPUTLGState *env, struct target_sigcontext *sc) static abi_ulong get_sigframe(struct target_sigaction *ka, CPUArchState *env, size_t frame_size) { - unsigned long sp = env->regs[TILEGX_R_SP]; + unsigned long sp = get_sp_from_cpustate(env); if (on_sig_stack(sp) && !likely(on_sig_stack(sp - frame_size))) { return -1UL; } - if ((ka->sa_flags & SA_ONSTACK) && !sas_ss_flags(sp)) { - sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size; - } - - sp -= frame_size; + sp = target_sigsp(sp, ka) - frame_size; sp &= -16UL; return sp; } @@ -127,10 +123,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, /* Create the ucontext. */ __put_user(0, &frame->uc.tuc_flags); __put_user(0, &frame->uc.tuc_link); - __put_user(target_sigaltstack_used.ss_sp, &frame->uc.tuc_stack.ss_sp); - __put_user(sas_ss_flags(env->regs[TILEGX_R_SP]), - &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, env); setup_sigcontext(&frame->uc.tuc_mcontext, env, info->si_signo); if (ka->sa_flags & TARGET_SA_RESTORER) { |