Merge branch '4.6' into mmfphonon

1 files changed, 39 insertions, 1 deletions

diff --git a/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp b/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp
index 90ea807..457518c 100644
--- a/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp
+++ b/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp
@@ -75,12 +75,25 @@ namespace JSC {
 #define THUMB_FUNC_PARAM(name)
 #endif
 
-#if PLATFORM(LINUX) && PLATFORM(X86_64)
+#if PLATFORM(LINUX) && (PLATFORM(X86_64) || PLATFORM(X86))
 #define SYMBOL_STRING_RELOCATION(name) #name "@plt"
 #else
 #define SYMBOL_STRING_RELOCATION(name) SYMBOL_STRING(name)
 #endif
 
+#if PLATFORM(DARWIN)
+    // Mach-O platform
+#define HIDE_SYMBOL(name) ".private_extern _" #name
+#elif PLATFORM(AIX)
+    // IBM's own file format
+#define HIDE_SYMBOL(name) ".lglobl " #name
+#elif PLATFORM(LINUX) || PLATFORM(FREEBSD) || PLATFORM(OPENBSD) || PLATFORM(SOLARIS) || (PLATFORM(HPUX) && PLATFORM(IA64)) || PLATFORM(SYMBIAN) || PLATFORM(NETBSD)
+    // ELF platform
+#define HIDE_SYMBOL(name) ".hidden " #name
+#else
+#define HIDE_SYMBOL(name)
+#endif
+
 #if USE(JSVALUE32_64)
 
 #if COMPILER(GCC) && PLATFORM(X86)
@@ -93,7 +106,9 @@ COMPILE_ASSERT(offsetof(struct JITStackFrame, callFrame) == 0x58, JITStackFrame_
 COMPILE_ASSERT(offsetof(struct JITStackFrame, code) == 0x50, JITStackFrame_code_offset_matches_ctiTrampoline);
 
 asm volatile (
+".text\n"
 ".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
 SYMBOL_STRING(ctiTrampoline) ":" "\n"
     "pushl %ebp" "\n"
     "movl %esp, %ebp" "\n"
@@ -114,6 +129,7 @@ SYMBOL_STRING(ctiTrampoline) ":" "\n"
 
 asm volatile (
 ".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
 SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
 #if !USE(JIT_STUB_ARGUMENT_VA_LIST)
     "movl %esp, %ecx" "\n"
@@ -129,6 +145,7 @@ SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
     
 asm volatile (
 ".globl " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
+HIDE_SYMBOL(ctiOpThrowNotCaught) "\n"
 SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
     "addl $0x3c, %esp" "\n"
     "popl %ebx" "\n"
@@ -153,6 +170,7 @@ COMPILE_ASSERT(offsetof(struct JITStackFrame, code) == 0x80, JITStackFrame_code_
 
 asm volatile (
 ".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
 SYMBOL_STRING(ctiTrampoline) ":" "\n"
     "pushq %rbp" "\n"
     "movq %rsp, %rbp" "\n"
@@ -179,6 +197,7 @@ SYMBOL_STRING(ctiTrampoline) ":" "\n"
 
 asm volatile (
 ".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
 SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
     "movq %rsp, %rdi" "\n"
     "call " SYMBOL_STRING_RELOCATION(cti_vm_throw) "\n"
@@ -194,6 +213,7 @@ SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
 
 asm volatile (
 ".globl " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
+HIDE_SYMBOL(ctiOpThrowNotCaught) "\n"
 SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
     "addq $0x48, %rsp" "\n"
     "popq %rbx" "\n"
@@ -215,6 +235,7 @@ asm volatile (
 ".text" "\n"
 ".align 2" "\n"
 ".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
 ".thumb" "\n"
 ".thumb_func " THUMB_FUNC_PARAM(ctiTrampoline) "\n"
 SYMBOL_STRING(ctiTrampoline) ":" "\n"
@@ -241,6 +262,7 @@ asm volatile (
 ".text" "\n"
 ".align 2" "\n"
 ".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
 ".thumb" "\n"
 ".thumb_func " THUMB_FUNC_PARAM(ctiVMThrowTrampoline) "\n"
 SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
@@ -346,7 +368,9 @@ COMPILE_ASSERT(offsetof(struct JITStackFrame, code) == 0x30, JITStackFrame_code_
 COMPILE_ASSERT(offsetof(struct JITStackFrame, savedEBX) == 0x1c, JITStackFrame_stub_argument_space_matches_ctiTrampoline);
 
 asm volatile (
+".text\n"
 ".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
 SYMBOL_STRING(ctiTrampoline) ":" "\n"
     "pushl %ebp" "\n"
     "movl %esp, %ebp" "\n"
@@ -367,6 +391,7 @@ SYMBOL_STRING(ctiTrampoline) ":" "\n"
 
 asm volatile (
 ".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
 SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
 #if !USE(JIT_STUB_ARGUMENT_VA_LIST)
     "movl %esp, %ecx" "\n"
@@ -382,6 +407,7 @@ SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
     
 asm volatile (
 ".globl " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
+HIDE_SYMBOL(ctiOpThrowNotCaught) "\n"
 SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
     "addl $0x1c, %esp" "\n"
     "popl %ebx" "\n"
@@ -404,7 +430,9 @@ COMPILE_ASSERT(offsetof(struct JITStackFrame, code) == 0x48, JITStackFrame_code_
 COMPILE_ASSERT(offsetof(struct JITStackFrame, savedRBX) == 0x78, JITStackFrame_stub_argument_space_matches_ctiTrampoline);
 
 asm volatile (
+".text\n"
 ".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
 SYMBOL_STRING(ctiTrampoline) ":" "\n"
     "pushq %rbp" "\n"
     "movq %rsp, %rbp" "\n"
@@ -438,6 +466,7 @@ SYMBOL_STRING(ctiTrampoline) ":" "\n"
 
 asm volatile (
 ".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
 SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
     "movq %rsp, %rdi" "\n"
     "call " SYMBOL_STRING_RELOCATION(cti_vm_throw) "\n"
@@ -453,6 +482,7 @@ SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
 
 asm volatile (
 ".globl " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
+HIDE_SYMBOL(ctiOpThrowNotCaught) "\n"
 SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
     "addq $0x78, %rsp" "\n"
     "popq %rbx" "\n"
@@ -474,6 +504,7 @@ asm volatile (
 ".text" "\n"
 ".align 2" "\n"
 ".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
 ".thumb" "\n"
 ".thumb_func " THUMB_FUNC_PARAM(ctiTrampoline) "\n"
 SYMBOL_STRING(ctiTrampoline) ":" "\n"
@@ -500,6 +531,7 @@ asm volatile (
 ".text" "\n"
 ".align 2" "\n"
 ".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
 ".thumb" "\n"
 ".thumb_func " THUMB_FUNC_PARAM(ctiVMThrowTrampoline) "\n"
 SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
@@ -517,6 +549,7 @@ asm volatile (
 ".text" "\n"
 ".align 2" "\n"
 ".globl " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
+HIDE_SYMBOL(ctiOpThrowNotCaught) "\n"
 ".thumb" "\n"
 ".thumb_func " THUMB_FUNC_PARAM(ctiOpThrowNotCaught) "\n"
 SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
@@ -531,7 +564,9 @@ SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
 #elif COMPILER(GCC) && PLATFORM(ARM_TRADITIONAL)
 
 asm volatile (
+".text\n"
 ".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
 SYMBOL_STRING(ctiTrampoline) ":" "\n"
     "stmdb sp!, {r1-r3}" "\n"
     "stmdb sp!, {r4-r8, lr}" "\n"
@@ -555,6 +590,7 @@ SYMBOL_STRING(ctiTrampoline) ":" "\n"
 
 asm volatile (
 ".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
 SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
     "mov r0, sp" "\n"
     "mov lr, r6" "\n"
@@ -564,6 +600,7 @@ SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
 
 // Both has the same return sequence
 ".globl " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
+HIDE_SYMBOL(ctiOpThrowNotCaught) "\n"
 SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
     "add sp, sp, #32" "\n"
     "ldmia sp!, {r4-r8, lr}" "\n"
@@ -898,6 +935,7 @@ static NEVER_INLINE void throwStackOverflowError(CallFrame* callFrame, JSGlobalD
         ".text" "\n" \
         ".align 2" "\n" \
         ".globl " SYMBOL_STRING(cti_##op) "\n" \
+        HIDE_SYMBOL(cti_##op) "\n"             \
         ".thumb" "\n" \
         ".thumb_func " THUMB_FUNC_PARAM(cti_##op) "\n" \
         SYMBOL_STRING(cti_##op) ":" "\n" \