Modified: releases/WebKitGTK/webkit-2.4/Source/_javascript_Core/jit/JITStubsX86.h (184467 => 184468)
--- releases/WebKitGTK/webkit-2.4/Source/_javascript_Core/jit/JITStubsX86.h 2015-05-18 13:09:48 UTC (rev 184467)
+++ releases/WebKitGTK/webkit-2.4/Source/_javascript_Core/jit/JITStubsX86.h 2015-05-18 13:38:54 UTC (rev 184468)
@@ -32,6 +32,7 @@
#define JITStubsX86_h
#include "JITStubsX86Common.h"
+#include <wtf/InlineASM.h>
#if !CPU(X86)
#error "JITStubsX86.h should only be #included if CPU(X86)"
@@ -198,6 +199,225 @@
);
#endif // USE(MASM_PROBE)
+#if OS(WINDOWS)
+extern "C" {
+
+ // FIXME: Since Windows doesn't use the LLInt, we have inline stubs here.
+ // Until the LLInt is changed to support Windows, these stub needs to be updated.
+ asm (
+ ".globl " SYMBOL_STRING(callToJavaScript) "\n"
+ HIDE_SYMBOL(callToJavaScript) "\n"
+ SYMBOL_STRING(callToJavaScript) ":" "\n"
+ "mov (%esp),%edx" "\n"
+ "push %ebp" "\n"
+ "mov %ebp,%eax" "\n"
+ "mov %esp,%ebp" "\n"
+ "push %esi" "\n"
+ "push %edi" "\n"
+ "push %ebx" "\n"
+ "sub $0x1c,%esp" "\n"
+ "mov 0x34(%esp),%ecx" "\n"
+ "mov 0x38(%esp),%esi" "\n"
+ "mov 0x3c(%esp),%ebp" "\n"
+ "sub $0x20,%ebp" "\n"
+ "movl $0x0,0x24(%ebp)" "\n"
+ "movl $0x0,0x20(%ebp)" "\n"
+ "movl $0x0,0x1c(%ebp)" "\n"
+ "mov %ecx,0x18(%ebp)" "\n"
+ "mov (%ecx),%ebx" "\n"
+ "movl $0x0,0x14(%ebp)" "\n"
+ "mov %ebx,0x10(%ebp)" "\n"
+ "movl $0x0,0xc(%ebp)" "\n"
+ "movl $0x1,0x8(%ebp)" "\n"
+ "mov %edx,0x4(%ebp)" "\n"
+ "mov %eax,0x0(%ebp)" "\n"
+ "mov %ebp,%eax" "\n"
+
+ "mov 0x28(%esi),%edx" "\n"
+ "add $0x5,%edx" "\n"
+ "shl $0x3,%edx" "\n"
+ "sub %edx,%ebp" "\n"
+ "mov %eax,0x0(%ebp)" "\n"
+
+ "mov $0x5,%eax" "\n"
+
+ ".copyHeaderLoop:" "\n"
+ "sub $0x1,%eax" "\n"
+ "mov (%esi,%eax,8),%ecx" "\n"
+ "mov %ecx,0x8(%ebp,%eax,8)" "\n"
+ "mov 0x4(%esi,%eax,8),%ecx" "\n"
+ "mov %ecx,0xc(%ebp,%eax,8)" "\n"
+ "test %eax,%eax" "\n"
+ "jne .copyHeaderLoop" "\n"
+
+ "mov 0x18(%esi),%edx" "\n"
+ "sub $0x1,%edx" "\n"
+ "mov 0x28(%esi),%ecx" "\n"
+ "sub $0x1,%ecx" "\n"
+
+ "cmp %ecx,%edx" "\n"
+ "je .copyArgs" "\n"
+
+ "xor %eax,%eax" "\n"
+ "mov $0xfffffffc,%ebx" "\n"
+
+ ".fillExtraArgsLoop:" "\n"
+ "sub $0x1,%ecx" "\n"
+ "mov %eax,0x30(%ebp,%ecx,8)" "\n"
+ "mov %ebx,0x34(%ebp,%ecx,8)" "\n"
+ "cmp %ecx,%edx" "\n"
+ "jne .fillExtraArgsLoop" "\n"
+
+ ".copyArgs:" "\n"
+ "mov 0x2c(%esi),%eax" "\n"
+
+ ".copyArgsLoop:" "\n"
+ "test %edx,%edx" "\n"
+ "je .copyArgsDone" "\n"
+ "sub $0x1,%edx" "\n"
+ "mov (%eax,%edx,8),%ecx" "\n"
+ "mov 0x4(%eax,%edx,8),%ebx" "\n"
+ "mov %ecx,0x30(%ebp,%edx,8)" "\n"
+ "mov %ebx,0x34(%ebp,%edx,8)" "\n"
+ "jmp .copyArgsLoop" "\n"
+
+ ".copyArgsDone:" "\n"
+ "mov 0x34(%esp),%ecx" "\n"
+ "mov %ebp,(%ecx)" "\n"
+
+ "call *0x30(%esp)" "\n"
+
+ "cmpl $0x1,0x8(%ebp)" "\n"
+ "je .calleeFramePopped" "\n"
+ "mov 0x0(%ebp),%ebp" "\n"
+
+ ".calleeFramePopped:" "\n"
+ "mov 0x18(%ebp),%ecx" "\n"
+ "mov 0x10(%ebp),%ebx" "\n"
+ "mov %ebx,(%ecx)" "\n"
+
+ "add $0x1c,%esp" "\n"
+ "pop %ebx" "\n"
+ "pop %edi" "\n"
+ "pop %esi" "\n"
+ "pop %ebp" "\n"
+ "ret" "\n"
+
+ ".globl " SYMBOL_STRING(returnFromJavaScript) "\n"
+ HIDE_SYMBOL(returnFromJavaScript) "\n"
+ SYMBOL_STRING(returnFromJavaScript) ":" "\n"
+ "add $0x1c,%esp" "\n"
+ "pop %ebx" "\n"
+ "pop %edi" "\n"
+ "pop %esi" "\n"
+ "pop %ebp" "\n"
+ "ret" "\n"
+
+ ".globl " SYMBOL_STRING(callToNativeFunction) "\n"
+ HIDE_SYMBOL(callToNativeFunction) "\n"
+ SYMBOL_STRING(callToNativeFunction) ":" "\n"
+ "mov (%esp),%edx" "\n"
+ "push %ebp" "\n"
+ "mov %ebp,%eax" "\n"
+ "mov %esp,%ebp" "\n"
+ "push %esi" "\n"
+ "push %edi" "\n"
+ "push %ebx" "\n"
+ "sub $0x1c,%esp" "\n"
+ "mov 0x34(%esp),%ecx" "\n"
+ "mov 0x38(%esp),%esi" "\n"
+ "mov 0x3c(%esp),%ebp" "\n"
+ "sub $0x20,%ebp" "\n"
+ "movl $0x0,0x24(%ebp)" "\n"
+ "movl $0x0,0x20(%ebp)" "\n"
+ "movl $0x0,0x1c(%ebp)" "\n"
+ "mov %ecx,0x18(%ebp)" "\n"
+ "mov (%ecx),%ebx" "\n"
+ "movl $0x0,0x14(%ebp)" "\n"
+ "mov %ebx,0x10(%ebp)" "\n"
+ "movl $0x0,0xc(%ebp)" "\n"
+ "movl $0x1,0x8(%ebp)" "\n"
+ "mov %edx,0x4(%ebp)" "\n"
+ "mov %eax,0x0(%ebp)" "\n"
+ "mov %ebp,%eax" "\n"
+
+ "mov 0x28(%esi),%edx" "\n"
+ "add $0x5,%edx" "\n"
+ "shl $0x3,%edx" "\n"
+ "sub %edx,%ebp" "\n"
+ "mov %eax,0x0(%ebp)" "\n"
+
+ "mov $0x5,%eax" "\n"
+
+ "copyHeaderLoop:" "\n"
+ "sub $0x1,%eax" "\n"
+ "mov (%esi,%eax,8),%ecx" "\n"
+ "mov %ecx,0x8(%ebp,%eax,8)" "\n"
+ "mov 0x4(%esi,%eax,8),%ecx" "\n"
+ "mov %ecx,0xc(%ebp,%eax,8)" "\n"
+ "test %eax,%eax" "\n"
+ "jne copyHeaderLoop" "\n"
+
+ "mov 0x18(%esi),%edx" "\n"
+ "sub $0x1,%edx" "\n"
+ "mov 0x28(%esi),%ecx" "\n"
+ "sub $0x1,%ecx" "\n"
+
+ "cmp %ecx,%edx" "\n"
+ "je copyArgs" "\n"
+
+ "xor %eax,%eax" "\n"
+ "mov $0xfffffffc,%ebx" "\n"
+
+ "fillExtraArgsLoop:" "\n"
+ "sub $0x1,%ecx" "\n"
+ "mov %eax,0x30(%ebp,%ecx,8)" "\n"
+ "mov %ebx,0x34(%ebp,%ecx,8)" "\n"
+ "cmp %ecx,%edx" "\n"
+ "jne fillExtraArgsLoop" "\n"
+
+ "copyArgs:" "\n"
+ "mov 0x2c(%esi),%eax" "\n"
+
+ "copyArgsLoop:" "\n"
+ "test %edx,%edx" "\n"
+ "je copyArgsDone" "\n"
+ "sub $0x1,%edx" "\n"
+ "mov (%eax,%edx,8),%ecx" "\n"
+ "mov 0x4(%eax,%edx,8),%ebx" "\n"
+ "mov %ecx,0x30(%ebp,%edx,8)" "\n"
+ "mov %ebx,0x34(%ebp,%edx,8)" "\n"
+ "jmp copyArgsLoop" "\n"
+
+ "copyArgsDone:" "\n"
+ "mov 0x34(%esp),%ecx" "\n"
+ "mov %ebp,(%ecx)" "\n"
+
+ "mov 0x30(%esp),%edi" "\n"
+ "mov %ebp,0x30(%esp)" "\n"
+ "mov %ebp,%ecx" "\n"
+ "call *%edi" "\n"
+
+ "cmpl $0x1,0x8(%ebp)" "\n"
+ "je calleeFramePopped" "\n"
+ "mov 0x0(%ebp),%ebp" "\n"
+
+ "calleeFramePopped:" "\n"
+ "mov 0x18(%ebp),%ecx" "\n"
+ "mov 0x10(%ebp),%ebx" "\n"
+ "mov %ebx,(%ecx)" "\n"
+
+ "add $0x1c,%esp" "\n"
+ "pop %ebx" "\n"
+ "pop %edi" "\n"
+ "pop %esi" "\n"
+ "pop %ebp" "\n"
+ "ret" "\n"
+ );
+}
+
+#endif // OS(WINDOWS)
+
#endif // COMPILER(GCC)
#if COMPILER(MSVC)
