diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2021-04-22 16:02:24 -0700 |
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committer | Laurent Vivier <laurent@vivier.eu> | 2021-05-18 07:10:45 +0200 |
commit | ca192277db2bfc466840f19f2ee314a84fc78d5c (patch) | |
tree | 42fbca38ff52f3ed004fbdd4b45be90904048fb6 /linux-user/syscall.c | |
parent | 02fb28e8effe5090ded4d36ea1c947a615099c26 (diff) |
linux-user: Honor TARGET_ARCH_HAS_SA_RESTORER in do_syscall
Do not access a field that may not be present. This will
become an issue when sharing more code in the next patch.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210422230227.314751-5-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/syscall.c')
-rw-r--r-- | linux-user/syscall.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 15b3af257b..a2e18b06c6 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -9038,7 +9038,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, act._sa_handler = old_act->_sa_handler; target_siginitset(&act.sa_mask, old_act->sa_mask); act.sa_flags = old_act->sa_flags; +#ifdef TARGET_ARCH_HAS_SA_RESTORER act.sa_restorer = old_act->sa_restorer; +#endif unlock_user_struct(old_act, arg2, 0); pact = &act; } else { @@ -9051,7 +9053,9 @@ static abi_long do_syscall1(void *cpu_env, int num, abi_long arg1, old_act->_sa_handler = oact._sa_handler; old_act->sa_mask = oact.sa_mask.sig[0]; old_act->sa_flags = oact.sa_flags; +#ifdef TARGET_ARCH_HAS_SA_RESTORER old_act->sa_restorer = oact.sa_restorer; +#endif unlock_user_struct(old_act, arg3, 1); } #endif |