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-rw-r--r--src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp23
1 files changed, 23 insertions, 0 deletions
diff --git a/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp b/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp
index f0d3b84..0eb0799 100644
--- a/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp
+++ b/src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp
@@ -73,6 +73,19 @@ namespace JSC {
#define SYMBOL_STRING(name) #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 COMPILER(GCC) && PLATFORM(X86)
// These ASSERTs remind you that, if you change the layout of JITStackFrame, you
@@ -83,6 +96,7 @@ COMPILE_ASSERT(offsetof(struct JITStackFrame, savedEBX) == 0x1c, JITStackFrame_s
asm volatile (
".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
SYMBOL_STRING(ctiTrampoline) ":" "\n"
"pushl %ebp" "\n"
"movl %esp, %ebp" "\n"
@@ -103,6 +117,7 @@ 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"
@@ -118,6 +133,7 @@ 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"
@@ -141,6 +157,7 @@ COMPILE_ASSERT(offsetof(struct JITStackFrame, savedRBX) == 0x48, JITStackFrame_s
asm volatile (
".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
SYMBOL_STRING(ctiTrampoline) ":" "\n"
"pushq %rbp" "\n"
"movq %rsp, %rbp" "\n"
@@ -167,6 +184,7 @@ 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(cti_vm_throw) "\n"
@@ -182,6 +200,7 @@ 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"
@@ -203,6 +222,7 @@ asm volatile (
".text" "\n"
".align 2" "\n"
".globl " SYMBOL_STRING(ctiTrampoline) "\n"
+HIDE_SYMBOL(ctiTrampoline) "\n"
".thumb" "\n"
".thumb_func " SYMBOL_STRING(ctiTrampoline) "\n"
SYMBOL_STRING(ctiTrampoline) ":" "\n"
@@ -229,6 +249,7 @@ asm volatile (
".text" "\n"
".align 2" "\n"
".globl " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
+HIDE_SYMBOL(ctiVMThrowTrampoline) "\n"
".thumb" "\n"
".thumb_func " SYMBOL_STRING(ctiVMThrowTrampoline) "\n"
SYMBOL_STRING(ctiVMThrowTrampoline) ":" "\n"
@@ -246,6 +267,7 @@ asm volatile (
".text" "\n"
".align 2" "\n"
".globl " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
+HIDE_SYMBOL(ctiOpThrowNotCaught) "\n"
".thumb" "\n"
".thumb_func " SYMBOL_STRING(ctiOpThrowNotCaught) "\n"
SYMBOL_STRING(ctiOpThrowNotCaught) ":" "\n"
@@ -591,6 +613,7 @@ namespace JITStubs {
".text" "\n" \
".align 2" "\n" \
".globl " SYMBOL_STRING(cti_##op) "\n" \
+ HIDE_SYMBOL(cti_##op) "\n" \
".thumb" "\n" \
".thumb_func " SYMBOL_STRING(cti_##op) "\n" \
SYMBOL_STRING(cti_##op) ":" "\n" \