wine-staging/patches/ntdll-Interrupt-0x2e/0001-ntdll-Catch-windows-int-0x2e-syscall-on-i386.patch

From ee30dc13a100788219ecc357056f8edf3a2f2113 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michael=20M=C3=BCller?= <michael@fds-team.de>
Date: Sun, 19 Mar 2017 19:08:34 +0100
Subject: [PATCH] ntdll: Catch windows int 0x2e syscall on i386.

---
 dlls/ntdll/signal_i386.c | 10 +++++++++-
 include/wine/exception.h |  1 +
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/dlls/ntdll/signal_i386.c b/dlls/ntdll/signal_i386.c
index 8876790195..7ddc64284e 100644
--- a/dlls/ntdll/signal_i386.c
+++ b/dlls/ntdll/signal_i386.c
@@ -1945,6 +1944,15 @@ static BOOL handle_interrupt( unsigned int interrupt, ucontext_t *sigcontext, st
         stack->rec.ExceptionInformation[2] = stack->context.Edx;
         setup_raise_exception( sigcontext, stack );
         return TRUE;
+    case 0x2e:
+        stack->context.Eip += 2;
+        stack->rec.ExceptionCode = EXCEPTION_WINE_SYSCALL;
+        stack->rec.ExceptionAddress = (void *)stack->context.Eip;
+        stack->rec.NumberParameters = 2;
+        stack->rec.ExceptionInformation[0] = stack->context.Eax;
+        stack->rec.ExceptionInformation[1] = stack->context.Edx;
+        setup_raise_exception( sigcontext, stack );
+        return TRUE;
     default:
         return FALSE;
     }
diff --git a/include/wine/exception.h b/include/wine/exception.h
index 3281130c50..e822573ace 100644
--- a/include/wine/exception.h
+++ b/include/wine/exception.h
@@ -315,6 +315,7 @@ static inline EXCEPTION_REGISTRATION_RECORD *__wine_get_frame(void)
 
 #define EXCEPTION_WINE_STUB       0x80000100  /* stub entry point called */
 #define EXCEPTION_WINE_ASSERTION  0x80000101  /* assertion failed */
+#define EXCEPTION_WINE_SYSCALL    0x80000103
 
 #ifdef __cplusplus
 }
-- 
2.17.1