From 2f1c5a22a5a03f0ede45bf8b0417901bde43aa7d Mon Sep 17 00:00:00 2001
From: belliash <belliash@codingworkshop.eu.org>
Date: Sat, 25 Feb 2023 23:01:13 +0100
Subject: [PATCH] Add __C_specific_handler() and _except_handler3() stubs
 allowing to use '__try {} __except() {}' (SEH) constructions

---
 xtoskrnl/CMakeLists.txt    |  3 ++-
 xtoskrnl/rtl/amd64/exsup.c | 36 ++++++++++++++++++++++++++++++++++++
 xtoskrnl/rtl/i686/exsup.c  | 36 ++++++++++++++++++++++++++++++++++++
 3 files changed, 74 insertions(+), 1 deletion(-)
 create mode 100644 xtoskrnl/rtl/amd64/exsup.c
 create mode 100644 xtoskrnl/rtl/i686/exsup.c

diff --git a/xtoskrnl/CMakeLists.txt b/xtoskrnl/CMakeLists.txt
index 1927736..63d35ee 100644
--- a/xtoskrnl/CMakeLists.txt
+++ b/xtoskrnl/CMakeLists.txt
@@ -35,7 +35,8 @@ list(APPEND XTOSKRNL_SOURCE
     ${XTOSKRNL_SOURCE_DIR}/rtl/plist.c
     ${XTOSKRNL_SOURCE_DIR}/rtl/string.c
     ${XTOSKRNL_SOURCE_DIR}/rtl/widestr.c
-    ${XTOSKRNL_SOURCE_DIR}/rtl/${ARCH}/dispatch.c)
+    ${XTOSKRNL_SOURCE_DIR}/rtl/${ARCH}/dispatch.c
+    ${XTOSKRNL_SOURCE_DIR}/rtl/${ARCH}/exsup.c)
 
 # Set module definition SPEC file
 set_specfile(xtoskrnl.spec)
diff --git a/xtoskrnl/rtl/amd64/exsup.c b/xtoskrnl/rtl/amd64/exsup.c
new file mode 100644
index 0000000..b861b86
--- /dev/null
+++ b/xtoskrnl/rtl/amd64/exsup.c
@@ -0,0 +1,36 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/rtl/amd64/exsup.c
+ * DESCRIPTION:     Exception handling for AMD64 architecture
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtos.h>
+
+
+XTAPI
+EXCEPTION_DISPOSITION
+__C_specific_handler(IN PEXCEPTION_RECORD ExceptionRecord,
+                     IN PVOID EstablisherFrame,
+                     IN OUT PCONTEXT ContextRecord,
+                     IN OUT PVOID DispatcherContext)
+{
+    UNIMPLEMENTED;
+
+    /* Continue execution */
+    return ExceptionContinueExecution;
+}
+
+XTCDECL
+INT
+_except_handler3(PEXCEPTION_RECORD ExceptionRecord,
+                 PVOID Registration,
+                 PCONTEXT Context,
+                 PVOID Dispatcher)
+{
+    UNIMPLEMENTED;
+
+    /* Handler not found */
+    return 0;
+}
diff --git a/xtoskrnl/rtl/i686/exsup.c b/xtoskrnl/rtl/i686/exsup.c
new file mode 100644
index 0000000..e9398ce
--- /dev/null
+++ b/xtoskrnl/rtl/i686/exsup.c
@@ -0,0 +1,36 @@
+/**
+ * PROJECT:         ExectOS
+ * COPYRIGHT:       See COPYING.md in the top level directory
+ * FILE:            xtoskrnl/rtl/i686/exsup.c
+ * DESCRIPTION:     Exception handling for i686 architecture
+ * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ */
+
+#include <xtos.h>
+
+
+XTCDECL
+EXCEPTION_DISPOSITION
+__C_specific_handler(IN PEXCEPTION_RECORD ExceptionRecord,
+                     IN PVOID EstablisherFrame,
+                     IN OUT PCONTEXT ContextRecord,
+                     IN OUT PVOID DispatcherContext)
+{
+    UNIMPLEMENTED;
+
+    /* Continue execution */
+    return ExceptionContinueExecution;
+}
+
+XTCDECL
+INT
+_except_handler3(PEXCEPTION_RECORD ExceptionRecord,
+                 PVOID Registration,
+                 PCONTEXT Context,
+                 PVOID Dispatcher)
+{
+    UNIMPLEMENTED;
+
+    /* Handler not found */
+    return 0;
+}