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authorRichard Henderson <richard.henderson@linaro.org>2021-04-22 16:02:24 -0700
committerLaurent Vivier <laurent@vivier.eu>2021-05-18 07:10:45 +0200
commitca192277db2bfc466840f19f2ee314a84fc78d5c (patch)
tree42fbca38ff52f3ed004fbdd4b45be90904048fb6 /linux-user
parent02fb28e8effe5090ded4d36ea1c947a615099c26 (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')
-rw-r--r--linux-user/syscall.c4
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