diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/SetJump.c')
-rw-r--r-- | MdePkg/Library/BaseLib/Ia32/SetJump.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/SetJump.c b/MdePkg/Library/BaseLib/Ia32/SetJump.c new file mode 100644 index 0000000000..b96ec3a8ff --- /dev/null +++ b/MdePkg/Library/BaseLib/Ia32/SetJump.c @@ -0,0 +1,49 @@ +/** @file
+ Implementation of SetJump() on IA-32.
+
+ Copyright (c) 2006 - 2007, Intel Corporation<BR>
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+//
+// Include common header file for this module.
+//
+#include "CommonHeader.h"
+
+VOID
+EFIAPI
+InternalAssertJumpBuffer (
+ IN BASE_LIBRARY_JUMP_BUFFER *JumpBuffer
+ );
+
+_declspec (naked)
+UINTN
+EFIAPI
+SetJump (
+ OUT BASE_LIBRARY_JUMP_BUFFER *JumpBuffer
+ )
+{
+ _asm {
+ push [esp + 4]
+ call InternalAssertJumpBuffer
+ pop ecx
+ pop ecx
+ mov edx, [esp]
+ mov [edx], ebx
+ mov [edx + 4], esi
+ mov [edx + 8], edi
+ mov [edx + 12], ebp
+ mov [edx + 16], esp
+ mov [edx + 20], ecx
+ xor eax, eax
+ jmp ecx
+ }
+}
+
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