Modified: trunk/Source/_javascript_Core/ChangeLog (148662 => 148663)
--- trunk/Source/_javascript_Core/ChangeLog 2013-04-18 09:47:36 UTC (rev 148662)
+++ trunk/Source/_javascript_Core/ChangeLog 2013-04-18 10:11:22 UTC (rev 148663)
@@ -1,3 +1,13 @@
+2013-04-18 Jonathan Liu <net...@gmail.com>
+
+ Implement JIT for MinGW-w64 64-bit
+ https://bugs.webkit.org/show_bug.cgi?id=114580
+
+ Reviewed by Jocelyn Turcotte.
+
+ * jit/JITStubs.cpp:
+ (JSC):
+
2013-04-17 Mark Lam <mark....@apple.com>
Avoid using a branch range that is too far for some CPU architectures.
Modified: trunk/Source/_javascript_Core/jit/JITStubs.cpp (148662 => 148663)
--- trunk/Source/_javascript_Core/jit/JITStubs.cpp 2013-04-18 09:47:36 UTC (rev 148662)
+++ trunk/Source/_javascript_Core/jit/JITStubs.cpp 2013-04-18 10:11:22 UTC (rev 148663)
@@ -371,7 +371,7 @@
#else // USE(JSVALUE32_64)
-#if COMPILER(GCC) && CPU(X86_64)
+#if COMPILER(GCC) && CPU(X86_64) && !OS(WINDOWS)
// These ASSERTs remind you that, if you change the layout of JITStackFrame, you
// need to change the assembly trampolines below to match.
@@ -440,6 +440,75 @@
"ret" "\n"
);
+#elif COMPILER(GCC) && CPU(X86_64) && OS(WINDOWS)
+
+// These ASSERTs remind you that, if you change the layout of JITStackFrame, you
+// need to change the assembly trampolines below to match.
+COMPILE_ASSERT(offsetof(struct JITStackFrame, code) % 16 == 0x0, JITStackFrame_maintains_16byte_stack_alignment);
+COMPILE_ASSERT(offsetof(struct JITStackFrame, savedRBX) == 0x58, JITStackFrame_stub_argument_space_matches_ctiTrampoline);
+
+asm (
+".text\n"
+".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
+SYMBOL_STRING(ctiTrampoline) ":" "\n"
+ // Dump register parameters to their home address
+ "movq %r9, 0x20(%rsp)" "\n"
+ "movq %r8, 0x18(%rsp)" "\n"
+ "movq %rdx, 0x10(%rsp)" "\n"
+ "movq %rcx, 0x8(%rsp)" "\n"
+
+ "pushq %rbp" "\n"
+ "movq %rsp, %rbp" "\n"
+ "pushq %r12" "\n"
+ "pushq %r13" "\n"
+ "pushq %r14" "\n"
+ "pushq %r15" "\n"
+ "pushq %rbx" "\n"
+
+ // Decrease rsp to point to the start of our JITStackFrame
+ "subq $0x58, %rsp" "\n"
+ "movq $512, %r12" "\n"
+ "movq $0xFFFF000000000000, %r14" "\n"
+ "movq $0xFFFF000000000002, %r15" "\n"
+ "movq %r8, %r13" "\n"
+ "call *%rcx" "\n"
+ "addq $0x58, %rsp" "\n"
+ "popq %rbx" "\n"
+ "popq %r15" "\n"
+ "popq %r14" "\n"
+ "popq %r13" "\n"
+ "popq %r12" "\n"
+ "popq %rbp" "\n"
+ "ret" "\n"
+".globl " SYMBOL_STRING(ctiTrampolineEnd) "\n"
+HIDE_SYMBOL(ctiTrampolineEnd) "\n"
+SYMBOL_STRING(ctiTrampolineEnd) ":" "\n"
+);
+
+asm (
+".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
+SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
+ "movq %rsp, %rcx" "\n"
+ "call " LOCAL_REFERENCE(cti_vm_throw) "\n"
+ "int3" "\n"
+);
+
+asm (
+".globl " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
+HIDE_SYMBOL(ctiOpThrowNotCaught) "\n"
+SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
+ "addq $0x58, %rsp" "\n"
+ "popq %rbx" "\n"
+ "popq %r15" "\n"
+ "popq %r14" "\n"
+ "popq %r13" "\n"
+ "popq %r12" "\n"
+ "popq %rbp" "\n"
+ "ret" "\n"
+);
+
#elif COMPILER(MSVC) && CPU(X86_64)
// These ASSERTs remind you that, if you change the layout of JITStackFrame, you
