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-rw-r--r--src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp b/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp
index 9fa898adf8..470ed0b99a 100644
--- a/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp
+++ b/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp
@@ -81,6 +81,19 @@ namespace JSC {
#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)
@@ -95,6 +108,7 @@ COMPILE_ASSERT(offsetof(struct JITStackFrame, code) == 0x50, JITStackFrame_code_
asm volatile (
".text\n"
".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
SYMBOL_STRING(ctiTrampoline) ":" "\n"
"pushl %ebp" "\n"
"movl %esp, %ebp" "\n"
@@ -115,6 +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"
@@ -130,6 +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"
@@ -154,6 +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"
@@ -180,6 +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"
@@ -195,6 +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"
@@ -216,6 +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"
@@ -242,6 +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"
@@ -347,7 +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"
@@ -368,6 +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"
@@ -383,6 +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"
@@ -405,7 +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"
@@ -439,6 +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"
@@ -454,6 +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"
@@ -475,6 +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"
@@ -501,6 +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"
@@ -518,6 +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"
@@ -532,7 +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"
@@ -549,12 +583,14 @@ SYMBOL_STRING(ctiTrampoline) ":" "\n"
asm volatile (
".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
"mov r0, sp" "\n"
"bl " SYMBOL_STRING_RELOCATION(cti_vm_throw) "\n"
// Both has the same return sequence
".globl " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
+HIDE_SYMBOL(ctiOpThrowNotCaught) "\n"
SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
"add sp, sp, #36" "\n"
"ldmia sp!, {r4-r8, lr}" "\n"
@@ -889,6 +925,7 @@ 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" \
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