Alexandre Julliard : wow64: Add handler for exceptions happening in 32-bit mode.
Alexandre Julliard
julliard at winehq.org
Wed Dec 1 15:23:48 CST 2021
Module: wine
Branch: master
Commit: 111398c364c2639432981c32e7af4e39888f2090
URL: https://source.winehq.org/git/wine.git/?a=commit;h=111398c364c2639432981c32e7af4e39888f2090
Author: Alexandre Julliard <julliard at winehq.org>
Date: Wed Dec 1 11:47:03 2021 +0100
wow64: Add handler for exceptions happening in 32-bit mode.
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/wow64/syscall.c | 35 ++++++++++++++++++++++++++++++++++-
1 file changed, 34 insertions(+), 1 deletion(-)
diff --git a/dlls/wow64/syscall.c b/dlls/wow64/syscall.c
index 74fc8d9905e..bee186456cc 100644
--- a/dlls/wow64/syscall.c
+++ b/dlls/wow64/syscall.c
@@ -670,6 +670,39 @@ NTSTATUS WINAPI Wow64SystemServiceEx( UINT num, UINT *args )
}
+static void cpu_simulate(void);
+
+/**********************************************************************
+ * simulate_filter
+ */
+static LONG CALLBACK simulate_filter( EXCEPTION_POINTERS *ptrs )
+{
+ Wow64PassExceptionToGuest( ptrs );
+ cpu_simulate(); /* re-enter simulation to run the exception dispatcher */
+ return EXCEPTION_EXECUTE_HANDLER;
+}
+
+
+/**********************************************************************
+ * cpu_simulate
+ */
+static void cpu_simulate(void)
+{
+ for (;;)
+ {
+ __TRY
+ {
+ pBTCpuSimulate();
+ }
+ __EXCEPT( simulate_filter )
+ {
+ /* restart simulation loop */
+ }
+ __ENDTRY
+ }
+}
+
+
/**********************************************************************
* Wow64AllocateTemp (wow64.@)
*
@@ -769,7 +802,7 @@ void WINAPI Wow64LdrpInitialize( CONTEXT *context )
RtlRunOnceExecuteOnce( &init_done, process_init, NULL, NULL );
thread_init();
- pBTCpuSimulate();
+ cpu_simulate();
}
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