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Issue 7849020: Use more style-guide-friendly names for some constants. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fixed the long line. Created 9 years, 3 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
(...skipping 3414 matching lines...) Expand 10 before | Expand all | Expand 10 after
3425 __ b(eq, &retry); 3425 __ b(eq, &retry);
3426 3426
3427 // Special handling of out of memory exceptions. 3427 // Special handling of out of memory exceptions.
3428 Failure* out_of_memory = Failure::OutOfMemoryException(); 3428 Failure* out_of_memory = Failure::OutOfMemoryException();
3429 __ cmp(r0, Operand(reinterpret_cast<int32_t>(out_of_memory))); 3429 __ cmp(r0, Operand(reinterpret_cast<int32_t>(out_of_memory)));
3430 __ b(eq, throw_out_of_memory_exception); 3430 __ b(eq, throw_out_of_memory_exception);
3431 3431
3432 // Retrieve the pending exception and clear the variable. 3432 // Retrieve the pending exception and clear the variable.
3433 __ mov(ip, Operand(ExternalReference::the_hole_value_location(isolate))); 3433 __ mov(ip, Operand(ExternalReference::the_hole_value_location(isolate)));
3434 __ ldr(r3, MemOperand(ip)); 3434 __ ldr(r3, MemOperand(ip));
3435 __ mov(ip, Operand(ExternalReference(Isolate::k_pending_exception_address, 3435 __ mov(ip, Operand(ExternalReference(Isolate::kPendingExceptionAddress,
3436 isolate))); 3436 isolate)));
3437 __ ldr(r0, MemOperand(ip)); 3437 __ ldr(r0, MemOperand(ip));
3438 __ str(r3, MemOperand(ip)); 3438 __ str(r3, MemOperand(ip));
3439 3439
3440 // Special handling of termination exceptions which are uncatchable 3440 // Special handling of termination exceptions which are uncatchable
3441 // by javascript code. 3441 // by javascript code.
3442 __ cmp(r0, Operand(isolate->factory()->termination_exception())); 3442 __ cmp(r0, Operand(isolate->factory()->termination_exception()));
3443 __ b(eq, throw_termination_exception); 3443 __ b(eq, throw_termination_exception);
3444 3444
3445 // Handle normal exception. 3445 // Handle normal exception.
(...skipping 114 matching lines...) Expand 10 before | Expand all | Expand 10 after
3560 // r1: function 3560 // r1: function
3561 // r2: receiver 3561 // r2: receiver
3562 // r3: argc 3562 // r3: argc
3563 // r4: argv 3563 // r4: argv
3564 Isolate* isolate = masm->isolate(); 3564 Isolate* isolate = masm->isolate();
3565 __ mov(r8, Operand(-1)); // Push a bad frame pointer to fail if it is used. 3565 __ mov(r8, Operand(-1)); // Push a bad frame pointer to fail if it is used.
3566 int marker = is_construct ? StackFrame::ENTRY_CONSTRUCT : StackFrame::ENTRY; 3566 int marker = is_construct ? StackFrame::ENTRY_CONSTRUCT : StackFrame::ENTRY;
3567 __ mov(r7, Operand(Smi::FromInt(marker))); 3567 __ mov(r7, Operand(Smi::FromInt(marker)));
3568 __ mov(r6, Operand(Smi::FromInt(marker))); 3568 __ mov(r6, Operand(Smi::FromInt(marker)));
3569 __ mov(r5, 3569 __ mov(r5,
3570 Operand(ExternalReference(Isolate::k_c_entry_fp_address, isolate))); 3570 Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate)));
3571 __ ldr(r5, MemOperand(r5)); 3571 __ ldr(r5, MemOperand(r5));
3572 __ Push(r8, r7, r6, r5); 3572 __ Push(r8, r7, r6, r5);
3573 3573
3574 // Setup frame pointer for the frame to be pushed. 3574 // Setup frame pointer for the frame to be pushed.
3575 __ add(fp, sp, Operand(-EntryFrameConstants::kCallerFPOffset)); 3575 __ add(fp, sp, Operand(-EntryFrameConstants::kCallerFPOffset));
3576 3576
3577 // If this is the outermost JS call, set js_entry_sp value. 3577 // If this is the outermost JS call, set js_entry_sp value.
3578 Label non_outermost_js; 3578 Label non_outermost_js;
3579 ExternalReference js_entry_sp(Isolate::k_js_entry_sp_address, isolate); 3579 ExternalReference js_entry_sp(Isolate::kJSEntrySPAddress, isolate);
3580 __ mov(r5, Operand(ExternalReference(js_entry_sp))); 3580 __ mov(r5, Operand(ExternalReference(js_entry_sp)));
3581 __ ldr(r6, MemOperand(r5)); 3581 __ ldr(r6, MemOperand(r5));
3582 __ cmp(r6, Operand::Zero()); 3582 __ cmp(r6, Operand::Zero());
3583 __ b(ne, &non_outermost_js); 3583 __ b(ne, &non_outermost_js);
3584 __ str(fp, MemOperand(r5)); 3584 __ str(fp, MemOperand(r5));
3585 __ mov(ip, Operand(Smi::FromInt(StackFrame::OUTERMOST_JSENTRY_FRAME))); 3585 __ mov(ip, Operand(Smi::FromInt(StackFrame::OUTERMOST_JSENTRY_FRAME)));
3586 Label cont; 3586 Label cont;
3587 __ b(&cont); 3587 __ b(&cont);
3588 __ bind(&non_outermost_js); 3588 __ bind(&non_outermost_js);
3589 __ mov(ip, Operand(Smi::FromInt(StackFrame::INNER_JSENTRY_FRAME))); 3589 __ mov(ip, Operand(Smi::FromInt(StackFrame::INNER_JSENTRY_FRAME)));
3590 __ bind(&cont); 3590 __ bind(&cont);
3591 __ push(ip); 3591 __ push(ip);
3592 3592
3593 // Call a faked try-block that does the invoke. 3593 // Call a faked try-block that does the invoke.
3594 __ bl(&invoke); 3594 __ bl(&invoke);
3595 3595
3596 // Caught exception: Store result (exception) in the pending 3596 // Caught exception: Store result (exception) in the pending
3597 // exception field in the JSEnv and return a failure sentinel. 3597 // exception field in the JSEnv and return a failure sentinel.
3598 // Coming in here the fp will be invalid because the PushTryHandler below 3598 // Coming in here the fp will be invalid because the PushTryHandler below
3599 // sets it to 0 to signal the existence of the JSEntry frame. 3599 // sets it to 0 to signal the existence of the JSEntry frame.
3600 __ mov(ip, Operand(ExternalReference(Isolate::k_pending_exception_address, 3600 __ mov(ip, Operand(ExternalReference(Isolate::kPendingExceptionAddress,
3601 isolate))); 3601 isolate)));
3602 __ str(r0, MemOperand(ip)); 3602 __ str(r0, MemOperand(ip));
3603 __ mov(r0, Operand(reinterpret_cast<int32_t>(Failure::Exception()))); 3603 __ mov(r0, Operand(reinterpret_cast<int32_t>(Failure::Exception())));
3604 __ b(&exit); 3604 __ b(&exit);
3605 3605
3606 // Invoke: Link this frame into the handler chain. 3606 // Invoke: Link this frame into the handler chain.
3607 __ bind(&invoke); 3607 __ bind(&invoke);
3608 // Must preserve r0-r4, r5-r7 are available. 3608 // Must preserve r0-r4, r5-r7 are available.
3609 __ PushTryHandler(IN_JS_ENTRY, JS_ENTRY_HANDLER); 3609 __ PushTryHandler(IN_JS_ENTRY, JS_ENTRY_HANDLER);
3610 // If an exception not caught by another handler occurs, this handler 3610 // If an exception not caught by another handler occurs, this handler
3611 // returns control to the code after the bl(&invoke) above, which 3611 // returns control to the code after the bl(&invoke) above, which
3612 // restores all kCalleeSaved registers (including cp and fp) to their 3612 // restores all kCalleeSaved registers (including cp and fp) to their
3613 // saved values before returning a failure to C. 3613 // saved values before returning a failure to C.
3614 3614
3615 // Clear any pending exceptions. 3615 // Clear any pending exceptions.
3616 __ mov(ip, Operand(ExternalReference::the_hole_value_location(isolate))); 3616 __ mov(ip, Operand(ExternalReference::the_hole_value_location(isolate)));
3617 __ ldr(r5, MemOperand(ip)); 3617 __ ldr(r5, MemOperand(ip));
3618 __ mov(ip, Operand(ExternalReference(Isolate::k_pending_exception_address, 3618 __ mov(ip, Operand(ExternalReference(Isolate::kPendingExceptionAddress,
3619 isolate))); 3619 isolate)));
3620 __ str(r5, MemOperand(ip)); 3620 __ str(r5, MemOperand(ip));
3621 3621
3622 // Invoke the function by calling through JS entry trampoline builtin. 3622 // Invoke the function by calling through JS entry trampoline builtin.
3623 // Notice that we cannot store a reference to the trampoline code directly in 3623 // Notice that we cannot store a reference to the trampoline code directly in
3624 // this stub, because runtime stubs are not traversed when doing GC. 3624 // this stub, because runtime stubs are not traversed when doing GC.
3625 3625
3626 // Expected registers by Builtins::JSEntryTrampoline 3626 // Expected registers by Builtins::JSEntryTrampoline
3627 // r0: code entry 3627 // r0: code entry
3628 // r1: function 3628 // r1: function
(...skipping 26 matching lines...) Expand all
3655 __ cmp(r5, Operand(Smi::FromInt(StackFrame::OUTERMOST_JSENTRY_FRAME))); 3655 __ cmp(r5, Operand(Smi::FromInt(StackFrame::OUTERMOST_JSENTRY_FRAME)));
3656 __ b(ne, &non_outermost_js_2); 3656 __ b(ne, &non_outermost_js_2);
3657 __ mov(r6, Operand::Zero()); 3657 __ mov(r6, Operand::Zero());
3658 __ mov(r5, Operand(ExternalReference(js_entry_sp))); 3658 __ mov(r5, Operand(ExternalReference(js_entry_sp)));
3659 __ str(r6, MemOperand(r5)); 3659 __ str(r6, MemOperand(r5));
3660 __ bind(&non_outermost_js_2); 3660 __ bind(&non_outermost_js_2);
3661 3661
3662 // Restore the top frame descriptors from the stack. 3662 // Restore the top frame descriptors from the stack.
3663 __ pop(r3); 3663 __ pop(r3);
3664 __ mov(ip, 3664 __ mov(ip,
3665 Operand(ExternalReference(Isolate::k_c_entry_fp_address, isolate))); 3665 Operand(ExternalReference(Isolate::kCEntryFPAddress, isolate)));
3666 __ str(r3, MemOperand(ip)); 3666 __ str(r3, MemOperand(ip));
3667 3667
3668 // Reset the stack to the callee saved registers. 3668 // Reset the stack to the callee saved registers.
3669 __ add(sp, sp, Operand(-EntryFrameConstants::kCallerFPOffset)); 3669 __ add(sp, sp, Operand(-EntryFrameConstants::kCallerFPOffset));
3670 3670
3671 // Restore callee-saved registers and return. 3671 // Restore callee-saved registers and return.
3672 #ifdef DEBUG 3672 #ifdef DEBUG
3673 if (FLAG_debug_code) { 3673 if (FLAG_debug_code) {
3674 __ mov(lr, Operand(pc)); 3674 __ mov(lr, Operand(pc));
3675 } 3675 }
(...skipping 851 matching lines...) Expand 10 before | Expand all | Expand 10 after
4527 __ b(eq, &failure); 4527 __ b(eq, &failure);
4528 __ cmp(r0, Operand(NativeRegExpMacroAssembler::EXCEPTION)); 4528 __ cmp(r0, Operand(NativeRegExpMacroAssembler::EXCEPTION));
4529 // If not exception it can only be retry. Handle that in the runtime system. 4529 // If not exception it can only be retry. Handle that in the runtime system.
4530 __ b(ne, &runtime); 4530 __ b(ne, &runtime);
4531 // Result must now be exception. If there is no pending exception already a 4531 // Result must now be exception. If there is no pending exception already a
4532 // stack overflow (on the backtrack stack) was detected in RegExp code but 4532 // stack overflow (on the backtrack stack) was detected in RegExp code but
4533 // haven't created the exception yet. Handle that in the runtime system. 4533 // haven't created the exception yet. Handle that in the runtime system.
4534 // TODO(592): Rerunning the RegExp to get the stack overflow exception. 4534 // TODO(592): Rerunning the RegExp to get the stack overflow exception.
4535 __ mov(r1, Operand(ExternalReference::the_hole_value_location(isolate))); 4535 __ mov(r1, Operand(ExternalReference::the_hole_value_location(isolate)));
4536 __ ldr(r1, MemOperand(r1, 0)); 4536 __ ldr(r1, MemOperand(r1, 0));
4537 __ mov(r2, Operand(ExternalReference(Isolate::k_pending_exception_address, 4537 __ mov(r2, Operand(ExternalReference(Isolate::kPendingExceptionAddress,
4538 isolate))); 4538 isolate)));
4539 __ ldr(r0, MemOperand(r2, 0)); 4539 __ ldr(r0, MemOperand(r2, 0));
4540 __ cmp(r0, r1); 4540 __ cmp(r0, r1);
4541 __ b(eq, &runtime); 4541 __ b(eq, &runtime);
4542 4542
4543 __ str(r1, MemOperand(r2, 0)); // Clear pending exception. 4543 __ str(r1, MemOperand(r2, 0)); // Clear pending exception.
4544 4544
4545 // Check if the exception is a termination. If so, throw as uncatchable. 4545 // Check if the exception is a termination. If so, throw as uncatchable.
4546 __ CompareRoot(r0, Heap::kTerminationExceptionRootIndex); 4546 __ CompareRoot(r0, Heap::kTerminationExceptionRootIndex);
4547 4547
(...skipping 2137 matching lines...) Expand 10 before | Expand all | Expand 10 after
6685 __ mov(result, Operand::Zero()); 6685 __ mov(result, Operand::Zero());
6686 __ Ret(); 6686 __ Ret();
6687 } 6687 }
6688 6688
6689 6689
6690 #undef __ 6690 #undef __
6691 6691
6692 } } // namespace v8::internal 6692 } } // namespace v8::internal
6693 6693
6694 #endif // V8_TARGET_ARCH_ARM 6694 #endif // V8_TARGET_ARCH_ARM
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