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| author | Laurent Vivier | 2018-04-11 21:23:47 +0200 |
|---|---|---|
| committer | Laurent Vivier | 2018-05-03 18:29:15 +0200 |
| commit | 465e237bf7cb6a9d8f9f137508125a14efcce1d6 (patch) | |
| tree | 1eaf5f3576d7f080b2a664466582975ae81ae986 /linux-user/xtensa/signal.c | |
| parent | linux-user: ARM-FDPIC: Add support for signals for FDPIC targets (diff) | |
| download | qemu-465e237bf7cb6a9d8f9f137508125a14efcce1d6.tar.gz qemu-465e237bf7cb6a9d8f9f137508125a14efcce1d6.tar.xz qemu-465e237bf7cb6a9d8f9f137508125a14efcce1d6.zip | |
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/xtensa/signal.c')
| -rw-r--r-- | linux-user/xtensa/signal.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/linux-user/xtensa/signal.c b/linux-user/xtensa/signal.c index 1e98910c1b..3e483efc61 100644 --- a/linux-user/xtensa/signal.c +++ b/linux-user/xtensa/signal.c @@ -55,12 +55,10 @@ static abi_ulong get_sigframe(struct target_sigaction *sa, CPUXtensaState *env, unsigned long framesize) { - abi_ulong sp = env->regs[1]; + abi_ulong sp; + + sp = target_sigsp(get_sp_from_cpustate(env), sa); - /* This is the X/Open sanctioned signal stack switching. */ - if ((sa->sa_flags & TARGET_SA_ONSTACK) != 0 && !sas_ss_flags(sp)) { - sp = target_sigaltstack_used.ss_sp + target_sigaltstack_used.ss_size; - } return (sp - framesize) & -16; } @@ -152,12 +150,7 @@ void setup_rt_frame(int sig, struct target_sigaction *ka, __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[1]), - &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); if (!setup_sigcontext(frame, env)) { unlock_user_struct(frame, frame_addr, 0); goto give_sigsegv; |