[PATCH v3 4/6] ntdll: Ensure init_handler runs in signal handlers before any compiler-generated memset calls.

[Brendan Shanks]

From: Brendan Shanks

---
 dlls/ntdll/unix/signal_x86_64.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/dlls/ntdll/unix/signal_x86_64.c b/dlls/ntdll/unix/signal_x86_64.c
index d0f793be6c8..5288013f2a6 100644
--- a/dlls/ntdll/unix/signal_x86_64.c
+++ b/dlls/ntdll/unix/signal_x86_64.c
@@ -1974,9 +1974,9 @@ static BOOL handle_syscall_trap( ucontext_t *sigcontext, siginfo_t *siginfo )
  */
 static void segv_handler( int signal, siginfo_t *siginfo, void *sigcontext )
 {
+    ucontext_t *ucontext = init_handler( sigcontext );
     EXCEPTION_RECORD rec = { 0 };
     struct xcontext context;
-    ucontext_t *ucontext = init_handler( sigcontext );

rec.ExceptionAddress = (void *)RIP_sig(ucontext);
     save_context( &context, ucontext );
@@ -2059,9 +2059,9 @@ static void segv_handler( int signal, siginfo_t *siginfo, void *sigcontext )
  */
 static void trap_handler( int signal, siginfo_t *siginfo, void *sigcontext )
 {
+    ucontext_t *ucontext = init_handler( sigcontext );
     EXCEPTION_RECORD rec = { 0 };
     struct xcontext context;
-    ucontext_t *ucontext = init_handler( sigcontext );

if (handle_syscall_trap( ucontext, siginfo )) return;

@@ -2093,8 +2093,8 @@ static void trap_handler( int signal, siginfo_t *siginfo, void *sigcontext )
  */
 static void fpe_handler( int signal, siginfo_t *siginfo, void *sigcontext )
 {
-    EXCEPTION_RECORD rec = { 0 };
     ucontext_t *ucontext = init_handler( sigcontext );
+    EXCEPTION_RECORD rec = { 0 };

switch (siginfo->si_code)
     {