Commit c5c4f0ed authored by antonm@chromium.org's avatar antonm@chromium.org

Revert "Unification: introduce ExternalReference::pending_exception_address()."

This reverts r6518.

TBR=ager@chromium.org

Review URL: http://codereview.chromium.org/6359015

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@6519 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
parent bea909a9
......@@ -3132,7 +3132,7 @@ void CEntryStub::GenerateThrowUncatchable(MacroAssembler* masm,
// Set pending exception and r0 to out of memory exception.
Failure* out_of_memory = Failure::OutOfMemoryException();
__ mov(r0, Operand(reinterpret_cast<int32_t>(out_of_memory)));
__ mov(r2, Operand(ExternalReference::pending_exception_address()));
__ mov(r2, Operand(ExternalReference(Top::k_pending_exception_address)));
__ str(r0, MemOperand(r2));
}
......@@ -3262,7 +3262,7 @@ void CEntryStub::GenerateCore(MacroAssembler* masm,
// Retrieve the pending exception and clear the variable.
__ mov(ip, Operand(ExternalReference::the_hole_value_location()));
__ ldr(r3, MemOperand(ip));
__ mov(ip, Operand(ExternalReference::pending_exception_address()));
__ mov(ip, Operand(ExternalReference(Top::k_pending_exception_address)));
__ ldr(r0, MemOperand(ip));
__ str(r3, MemOperand(ip));
......@@ -3395,7 +3395,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
// exception field in the JSEnv and return a failure sentinel.
// Coming in here the fp will be invalid because the PushTryHandler below
// sets it to 0 to signal the existence of the JSEntry frame.
__ mov(ip, Operand(ExternalReference::pending_exception_address()));
__ mov(ip, Operand(ExternalReference(Top::k_pending_exception_address)));
__ str(r0, MemOperand(ip));
__ mov(r0, Operand(reinterpret_cast<int32_t>(Failure::Exception())));
__ b(&exit);
......@@ -3412,7 +3412,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
// Clear any pending exceptions.
__ mov(ip, Operand(ExternalReference::the_hole_value_location()));
__ ldr(r5, MemOperand(ip));
__ mov(ip, Operand(ExternalReference::pending_exception_address()));
__ mov(ip, Operand(ExternalReference(Top::k_pending_exception_address)));
__ str(r5, MemOperand(ip));
// Invoke the function by calling through JS entry trampoline builtin.
......@@ -4079,7 +4079,7 @@ void RegExpExecStub::Generate(MacroAssembler* masm) {
// TODO(592): Rerunning the RegExp to get the stack overflow exception.
__ mov(r0, Operand(ExternalReference::the_hole_value_location()));
__ ldr(r0, MemOperand(r0, 0));
__ mov(r1, Operand(ExternalReference::pending_exception_address()));
__ mov(r1, Operand(ExternalReference(Top::k_pending_exception_address)));
__ ldr(r1, MemOperand(r1, 0));
__ cmp(r0, r1);
__ b(eq, &runtime);
......
......@@ -713,11 +713,6 @@ ExternalReference ExternalReference::handle_scope_limit_address() {
}
ExternalReference ExternalReference::pending_exception_address() {
return ExternalReference(Top::pending_exception_address());
}
ExternalReference ExternalReference::scheduled_exception_address() {
return ExternalReference(Top::scheduled_exception_address());
}
......
......@@ -551,7 +551,6 @@ class ExternalReference BASE_EMBEDDED {
static ExternalReference handle_scope_limit_address();
static ExternalReference handle_scope_level_address();
static ExternalReference pending_exception_address();
static ExternalReference scheduled_exception_address();
// Static variables containing common double constants.
......
......@@ -3922,11 +3922,10 @@ void RegExpExecStub::Generate(MacroAssembler* masm) {
// stack overflow (on the backtrack stack) was detected in RegExp code but
// haven't created the exception yet. Handle that in the runtime system.
// TODO(592): Rerunning the RegExp to get the stack overflow exception.
ExternalReference pending_exception_address =
ExternalReference::pending_exception_address();
ExternalReference pending_exception(Top::k_pending_exception_address);
__ mov(eax,
Operand::StaticVariable(ExternalReference::the_hole_value_location()));
__ cmp(eax, Operand::StaticVariable(pending_exception_address));
__ cmp(eax, Operand::StaticVariable(pending_exception));
__ j(equal, &runtime);
__ bind(&failure);
// For failure and exception return null.
......@@ -4716,8 +4715,7 @@ void CEntryStub::GenerateCore(MacroAssembler* masm,
__ j(equal, throw_out_of_memory_exception);
// Retrieve the pending exception and clear the variable.
ExternalReference pending_exception_address =
ExternalReference::pending_exception_address();
ExternalReference pending_exception_address(Top::k_pending_exception_address);
__ mov(eax, Operand::StaticVariable(pending_exception_address));
__ mov(edx,
Operand::StaticVariable(ExternalReference::the_hole_value_location()));
......@@ -4769,10 +4767,9 @@ void CEntryStub::GenerateThrowUncatchable(MacroAssembler* masm,
__ mov(Operand::StaticVariable(external_caught), eax);
// Set pending exception and eax to out of memory exception.
ExternalReference pending_exception_address =
ExternalReference::pending_exception_address();
ExternalReference pending_exception(Top::k_pending_exception_address);
__ mov(eax, reinterpret_cast<int32_t>(Failure::OutOfMemoryException()));
__ mov(Operand::StaticVariable(pending_exception_address), eax);
__ mov(Operand::StaticVariable(pending_exception), eax);
}
// Clear the context pointer.
......@@ -4888,9 +4885,8 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
// Caught exception: Store result (exception) in the pending
// exception field in the JSEnv and return a failure sentinel.
ExternalReference pending_exception_address =
ExternalReference::pending_exception_address();
__ mov(Operand::StaticVariable(pending_exception_address), eax);
ExternalReference pending_exception(Top::k_pending_exception_address);
__ mov(Operand::StaticVariable(pending_exception), eax);
__ mov(eax, reinterpret_cast<int32_t>(Failure::Exception()));
__ jmp(&exit);
......@@ -4901,7 +4897,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
// Clear any pending exceptions.
__ mov(edx,
Operand::StaticVariable(ExternalReference::the_hole_value_location()));
__ mov(Operand::StaticVariable(pending_exception_address), edx);
__ mov(Operand::StaticVariable(pending_exception), edx);
// Fake a receiver (NULL).
__ push(Immediate(0)); // receiver
......
......@@ -1178,7 +1178,7 @@ void CEntryStub::GenerateCore(MacroAssembler* masm,
__ LoadExternalReference(t0, ExternalReference::the_hole_value_location());
__ lw(a3, MemOperand(t0));
__ LoadExternalReference(t0,
ExternalReference::pending_exception_address());
ExternalReference(Top::k_pending_exception_address));
__ lw(v0, MemOperand(t0));
__ sw(a3, MemOperand(t0));
......@@ -1311,7 +1311,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
// Coming in here the fp will be invalid because the PushTryHandler below
// sets it to 0 to signal the existence of the JSEntry frame.
__ LoadExternalReference(t0,
ExternalReference::pending_exception_address());
ExternalReference(Top::k_pending_exception_address));
__ sw(v0, MemOperand(t0)); // We come back from 'invoke'. result is in v0.
__ li(v0, Operand(reinterpret_cast<int32_t>(Failure::Exception())));
__ b(&exit);
......@@ -1329,7 +1329,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
__ LoadExternalReference(t0, ExternalReference::the_hole_value_location());
__ lw(t1, MemOperand(t0));
__ LoadExternalReference(t0,
ExternalReference::pending_exception_address());
ExternalReference(Top::k_pending_exception_address));
__ sw(t1, MemOperand(t0));
// Invoke the function by calling through JS entry trampoline builtin.
......
......@@ -142,6 +142,7 @@ class ThreadLocalTop BASE_EMBEDDED {
C(handler_address) \
C(c_entry_fp_address) \
C(context_address) \
C(pending_exception_address) \
C(external_caught_exception_address)
#ifdef ENABLE_LOGGING_AND_PROFILING
......
......@@ -2126,7 +2126,8 @@ void RegExpExecStub::Generate(MacroAssembler* masm) {
// stack overflow (on the backtrack stack) was detected in RegExp code but
// haven't created the exception yet. Handle that in the runtime system.
// TODO(592): Rerunning the RegExp to get the stack overflow exception.
__ movq(kScratchRegister, ExternalReference::pending_exception_address());
ExternalReference pending_exception_address(Top::k_pending_exception_address);
__ movq(kScratchRegister, pending_exception_address);
__ Cmp(kScratchRegister, Factory::the_hole_value());
__ j(equal, &runtime);
__ bind(&failure);
......@@ -2884,7 +2885,8 @@ void CEntryStub::GenerateCore(MacroAssembler* masm,
__ j(equal, throw_out_of_memory_exception);
// Retrieve the pending exception and clear the variable.
__ movq(kScratchRegister, ExternalReference::pending_exception_address());
ExternalReference pending_exception_address(Top::k_pending_exception_address);
__ movq(kScratchRegister, pending_exception_address);
__ movq(rax, Operand(kScratchRegister, 0));
__ movq(rdx, ExternalReference::the_hole_value_location());
__ movq(rdx, Operand(rdx, 0));
......@@ -2934,8 +2936,9 @@ void CEntryStub::GenerateThrowUncatchable(MacroAssembler* masm,
__ store_rax(external_caught);
// Set pending exception and rax to out of memory exception.
ExternalReference pending_exception(Top::k_pending_exception_address);
__ movq(rax, Failure::OutOfMemoryException(), RelocInfo::NONE);
__ store_rax(ExternalReference::pending_exception_address());
__ store_rax(pending_exception);
}
// Clear the context pointer.
......@@ -3088,7 +3091,8 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
// Caught exception: Store result (exception) in the pending
// exception field in the JSEnv and return a failure sentinel.
__ store_rax(ExternalReference::pending_exception_address());
ExternalReference pending_exception(Top::k_pending_exception_address);
__ store_rax(pending_exception);
__ movq(rax, Failure::Exception(), RelocInfo::NONE);
__ jmp(&exit);
......@@ -3098,7 +3102,7 @@ void JSEntryStub::GenerateBody(MacroAssembler* masm, bool is_construct) {
// Clear any pending exceptions.
__ load_rax(ExternalReference::the_hole_value_location());
__ store_rax(ExternalReference::pending_exception_address());
__ store_rax(pending_exception);
// Fake a receiver (NULL).
__ push(Immediate(0)); // receiver
......
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