Changeset 64618 in webkit

Timestamp:

Aug 3, 2010 7:32:10 PM (14 years ago)

Author:

eric@webkit.org

Message:

2010-08-03 Patrick Gansterer <​paroga@paroga.com>

Reviewed by Gavin Barraclough.

Implement DEFINE_STUB_FUNCTION for WinCE.
​https://bugs.webkit.org/show_bug.cgi?id=34953

• jit/JITStubs.cpp: (JSC::): (JSC::DEFINE_STUB_FUNCTION):

Location:

trunk/JavaScriptCore

Files:

• ChangeLog (modified) (1 diff)
• jit/JITStubs.cpp (modified) (3 diffs)

trunk/JavaScriptCore/ChangeLog

@@ +1 @@
+2010-08-03  Patrick Gansterer  <paroga@paroga.com>
+
+        Reviewed by Gavin Barraclough.
+
+        Implement DEFINE_STUB_FUNCTION for WinCE.
+        https://bugs.webkit.org/show_bug.cgi?id=34953
+
+        * jit/JITStubs.cpp:
+        (JSC::):
+        (JSC::DEFINE_STUB_FUNCTION):
+
 2010-08-02  Gavin Barraclough  <barraclough@apple.com>
 

trunk/JavaScriptCore/jit/JITStubs.cpp

@@ -304 +304 @@
     }
 }
+
+#elif COMPILER(MSVC) && CPU(ARM_TRADITIONAL)
+
+#define THUNK_RETURN_ADDRESS_OFFSET 64
+#define PRESERVEDR4_OFFSET          68
+// See DEFINE_STUB_FUNCTION for more information.
 
 #else
@@ -650 +656 @@
 }
 
+#elif COMPILER(MSVC) && CPU(ARM_TRADITIONAL)
+
+#define THUNK_RETURN_ADDRESS_OFFSET 32
+#define PRESERVEDR4_OFFSET          36
+// See DEFINE_STUB_FUNCTION for more information.
+
 #else
     #error "JIT not supported on this platform."
@@ -1136 +1148 @@
 /* Include the generated file */
 #include "GeneratedJITStubs_RVCT.h"
+
+#elif CPU(ARM_TRADITIONAL) && COMPILER(MSVC)
+
+#define DEFINE_STUB_FUNCTION(rtype, op) extern "C" rtype JITStubThunked_##op(STUB_ARGS_DECLARATION)
+
+/* The following is a workaround for MSVC toolchain; inline assembler is not supported */
+
+/* The following section is a template to generate code for GeneratedJITStubs_MSVC.asm */
+/* The pattern "#xxx#" will be replaced with "xxx" */
+
+/*
+MSVC_BEGIN(    AREA Trampoline, CODE)
+MSVC_BEGIN()
+MSVC_BEGIN(    EXPORT ctiTrampoline)
+MSVC_BEGIN(    EXPORT ctiVMThrowTrampoline)
+MSVC_BEGIN(    EXPORT ctiOpThrowNotCaught)
+MSVC_BEGIN()
+MSVC_BEGIN(ctiTrampoline PROC)
+MSVC_BEGIN(    stmdb sp!, {r1-r3})
+MSVC_BEGIN(    stmdb sp!, {r4-r8, lr})
+MSVC_BEGIN(    sub sp, sp, ##offset#+4)
+MSVC_BEGIN(    mov r4, r2)
+MSVC_BEGIN(    mov r5, #512)
+MSVC_BEGIN(    ; r0 contains the code)
+MSVC_BEGIN(    mov lr, pc)
+MSVC_BEGIN(    bx r0)
+MSVC_BEGIN(    add sp, sp, ##offset#+4)
+MSVC_BEGIN(    ldmia sp!, {r4-r8, lr})
+MSVC_BEGIN(    add sp, sp, #12)
+MSVC_BEGIN(    bx lr)
+MSVC_BEGIN(ctiTrampoline ENDP)
+MSVC_BEGIN()
+MSVC_BEGIN(ctiVMThrowTrampoline PROC)
+MSVC_BEGIN(    mov r0, sp)
+MSVC_BEGIN(    mov lr, pc)
+MSVC_BEGIN(    bl cti_vm_throw)
+MSVC_BEGIN(ctiOpThrowNotCaught)
+MSVC_BEGIN(    add sp, sp, ##offset#+4)
+MSVC_BEGIN(    ldmia sp!, {r4-r8, lr})
+MSVC_BEGIN(    add sp, sp, #12)
+MSVC_BEGIN(    bx lr)
+MSVC_BEGIN(ctiVMThrowTrampoline ENDP)
+MSVC_BEGIN()
+
+MSVC(    EXPORT cti_#op#)
+MSVC(    IMPORT JITStubThunked_#op#)
+MSVC(cti_#op# PROC)
+MSVC(    str lr, [sp, ##offset#])
+MSVC(    bl JITStubThunked_#op#)
+MSVC(    ldr lr, [sp, ##offset#])
+MSVC(    bx lr)
+MSVC(cti_#op# ENDP)
+MSVC()
+
+MSVC_END(    END)
+*/
 
 #else