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linux-user: Split out target_restore_altstack

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Create a function to match target_save_altstack.
Fix some style and unlock issues in do_sigaltstack.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210426025334.1168495-2-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson
2021-04-25 19:53:10 -07:00
committed by Laurent Vivier
parent 9f771ad839
commit 92bad94836
2 changed files with 66 additions and 50 deletions
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linux-user/signal-common.h
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@ -24,6 +24,7 @@ int on_sig_stack(unsigned long sp);
int sas_ss_flags(unsigned long sp);
abi_ulong target_sigsp(abi_ulong sp, struct target_sigaction *ka);
void target_save_altstack(target_stack_t *uss, CPUArchState *env);
abi_long target_restore_altstack(target_stack_t *uss, abi_ulong sp);
static inline void target_sigemptyset(target_sigset_t *set)
{