diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/3rdparty/webkit/JavaScriptCore/jit/JITStubs.cpp | 37 |
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 9fa898a..470ed0b 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" \ |