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linux-user: Pass CPUArchState to do_sigaltstack

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Now that we have exactly one call, it's easy to pass
in env instead of passing in the sp value.
Use target_save_altstack, which required env.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210426025334.1168495-4-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2021-04-25 19:53:12 -07:00 • committed by Laurent Vivier
parent 56384cf3ad
commit 6b20875503
3 changed files with 7 additions and 10 deletions
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3
linux-user/syscall.c
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@ -11195,8 +11195,7 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1,
return ret;
}
case TARGET_NR_sigaltstack:
return do_sigaltstack(arg1, arg2,
get_sp_from_cpustate((CPUArchState *)cpu_env));
return do_sigaltstack(arg1, arg2, cpu_env);
#ifdef CONFIG_SENDFILE
#ifdef TARGET_NR_sendfile