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Issue 6713074: Require an isolate parameter for most external reference creation to (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Further cleanup Created 9 years, 9 months ago
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1 // Copyright 2009 the V8 project authors. All rights reserved. 1 // Copyright 2009 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
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362 // Address of start of capture. 362 // Address of start of capture.
363 __ add(r0, r0, Operand(end_of_input_address())); 363 __ add(r0, r0, Operand(end_of_input_address()));
364 // Length of capture. 364 // Length of capture.
365 __ mov(r2, Operand(r1)); 365 __ mov(r2, Operand(r1));
366 // Save length in callee-save register for use on return. 366 // Save length in callee-save register for use on return.
367 __ mov(r4, Operand(r1)); 367 __ mov(r4, Operand(r1));
368 // Address of current input position. 368 // Address of current input position.
369 __ add(r1, current_input_offset(), Operand(end_of_input_address())); 369 __ add(r1, current_input_offset(), Operand(end_of_input_address()));
370 370
371 ExternalReference function = 371 ExternalReference function =
372 ExternalReference::re_case_insensitive_compare_uc16(); 372 ExternalReference::re_case_insensitive_compare_uc16(masm_->isolate());
373 __ CallCFunction(function, argument_count); 373 __ CallCFunction(function, argument_count);
374 374
375 // Check if function returned non-zero for success or zero for failure. 375 // Check if function returned non-zero for success or zero for failure.
376 __ cmp(r0, Operand(0, RelocInfo::NONE)); 376 __ cmp(r0, Operand(0, RelocInfo::NONE));
377 BranchOrBacktrack(eq, on_no_match); 377 BranchOrBacktrack(eq, on_no_match);
378 // On success, increment position by length of capture. 378 // On success, increment position by length of capture.
379 __ add(current_input_offset(), current_input_offset(), Operand(r4)); 379 __ add(current_input_offset(), current_input_offset(), Operand(r4));
380 } 380 }
381 381
382 __ bind(&fallthrough); 382 __ bind(&fallthrough);
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620 // Set frame pointer in space for it if this is not a direct call 620 // Set frame pointer in space for it if this is not a direct call
621 // from generated code. 621 // from generated code.
622 __ add(frame_pointer(), sp, Operand(4 * kPointerSize)); 622 __ add(frame_pointer(), sp, Operand(4 * kPointerSize));
623 __ push(r0); // Make room for "position - 1" constant (value is irrelevant). 623 __ push(r0); // Make room for "position - 1" constant (value is irrelevant).
624 __ push(r0); // Make room for "at start" constant (value is irrelevant). 624 __ push(r0); // Make room for "at start" constant (value is irrelevant).
625 // Check if we have space on the stack for registers. 625 // Check if we have space on the stack for registers.
626 Label stack_limit_hit; 626 Label stack_limit_hit;
627 Label stack_ok; 627 Label stack_ok;
628 628
629 ExternalReference stack_limit = 629 ExternalReference stack_limit =
630 ExternalReference::address_of_stack_limit(); 630 ExternalReference::address_of_stack_limit(masm_->isolate());
631 __ mov(r0, Operand(stack_limit)); 631 __ mov(r0, Operand(stack_limit));
632 __ ldr(r0, MemOperand(r0)); 632 __ ldr(r0, MemOperand(r0));
633 __ sub(r0, sp, r0, SetCC); 633 __ sub(r0, sp, r0, SetCC);
634 // Handle it if the stack pointer is already below the stack limit. 634 // Handle it if the stack pointer is already below the stack limit.
635 __ b(ls, &stack_limit_hit); 635 __ b(ls, &stack_limit_hit);
636 // Check if there is room for the variable number of registers above 636 // Check if there is room for the variable number of registers above
637 // the stack limit. 637 // the stack limit.
638 __ cmp(r0, Operand(num_registers_ * kPointerSize)); 638 __ cmp(r0, Operand(num_registers_ * kPointerSize));
639 __ b(hs, &stack_ok); 639 __ b(hs, &stack_ok);
640 // Exit with OutOfMemory exception. There is not enough space on the stack 640 // Exit with OutOfMemory exception. There is not enough space on the stack
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776 SafeCallTarget(&stack_overflow_label_); 776 SafeCallTarget(&stack_overflow_label_);
777 // Reached if the backtrack-stack limit has been hit. 777 // Reached if the backtrack-stack limit has been hit.
778 Label grow_failed; 778 Label grow_failed;
779 779
780 // Call GrowStack(backtrack_stackpointer(), &stack_base) 780 // Call GrowStack(backtrack_stackpointer(), &stack_base)
781 static const int num_arguments = 2; 781 static const int num_arguments = 2;
782 __ PrepareCallCFunction(num_arguments, r0); 782 __ PrepareCallCFunction(num_arguments, r0);
783 __ mov(r0, backtrack_stackpointer()); 783 __ mov(r0, backtrack_stackpointer());
784 __ add(r1, frame_pointer(), Operand(kStackHighEnd)); 784 __ add(r1, frame_pointer(), Operand(kStackHighEnd));
785 ExternalReference grow_stack = 785 ExternalReference grow_stack =
786 ExternalReference::re_grow_stack(); 786 ExternalReference::re_grow_stack(masm_->isolate());
787 __ CallCFunction(grow_stack, num_arguments); 787 __ CallCFunction(grow_stack, num_arguments);
788 // If return NULL, we have failed to grow the stack, and 788 // If return NULL, we have failed to grow the stack, and
789 // must exit with a stack-overflow exception. 789 // must exit with a stack-overflow exception.
790 __ cmp(r0, Operand(0, RelocInfo::NONE)); 790 __ cmp(r0, Operand(0, RelocInfo::NONE));
791 __ b(eq, &exit_with_exception); 791 __ b(eq, &exit_with_exception);
792 // Otherwise use return value as new stack pointer. 792 // Otherwise use return value as new stack pointer.
793 __ mov(backtrack_stackpointer(), r0); 793 __ mov(backtrack_stackpointer(), r0);
794 // Restore saved registers and continue. 794 // Restore saved registers and continue.
795 SafeReturn(); 795 SafeReturn();
796 } 796 }
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992 992
993 void RegExpMacroAssemblerARM::CallCheckStackGuardState(Register scratch) { 993 void RegExpMacroAssemblerARM::CallCheckStackGuardState(Register scratch) {
994 static const int num_arguments = 3; 994 static const int num_arguments = 3;
995 __ PrepareCallCFunction(num_arguments, scratch); 995 __ PrepareCallCFunction(num_arguments, scratch);
996 // RegExp code frame pointer. 996 // RegExp code frame pointer.
997 __ mov(r2, frame_pointer()); 997 __ mov(r2, frame_pointer());
998 // Code* of self. 998 // Code* of self.
999 __ mov(r1, Operand(masm_->CodeObject())); 999 __ mov(r1, Operand(masm_->CodeObject()));
1000 // r0 becomes return address pointer. 1000 // r0 becomes return address pointer.
1001 ExternalReference stack_guard_check = 1001 ExternalReference stack_guard_check =
1002 ExternalReference::re_check_stack_guard_state(); 1002 ExternalReference::re_check_stack_guard_state(masm_->isolate());
1003 CallCFunctionUsingStub(stack_guard_check, num_arguments); 1003 CallCFunctionUsingStub(stack_guard_check, num_arguments);
1004 } 1004 }
1005 1005
1006 1006
1007 // Helper function for reading a value out of a stack frame. 1007 // Helper function for reading a value out of a stack frame.
1008 template <typename T> 1008 template <typename T>
1009 static T& frame_entry(Address re_frame, int frame_offset) { 1009 static T& frame_entry(Address re_frame, int frame_offset) {
1010 return reinterpret_cast<T&>(Memory::int32_at(re_frame + frame_offset)); 1010 return reinterpret_cast<T&>(Memory::int32_at(re_frame + frame_offset));
1011 } 1011 }
1012 1012
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1154 void RegExpMacroAssemblerARM::Pop(Register target) { 1154 void RegExpMacroAssemblerARM::Pop(Register target) {
1155 ASSERT(!target.is(backtrack_stackpointer())); 1155 ASSERT(!target.is(backtrack_stackpointer()));
1156 __ ldr(target, 1156 __ ldr(target,
1157 MemOperand(backtrack_stackpointer(), kPointerSize, PostIndex)); 1157 MemOperand(backtrack_stackpointer(), kPointerSize, PostIndex));
1158 } 1158 }
1159 1159
1160 1160
1161 void RegExpMacroAssemblerARM::CheckPreemption() { 1161 void RegExpMacroAssemblerARM::CheckPreemption() {
1162 // Check for preemption. 1162 // Check for preemption.
1163 ExternalReference stack_limit = 1163 ExternalReference stack_limit =
1164 ExternalReference::address_of_stack_limit(); 1164 ExternalReference::address_of_stack_limit(masm_->isolate());
1165 __ mov(r0, Operand(stack_limit)); 1165 __ mov(r0, Operand(stack_limit));
1166 __ ldr(r0, MemOperand(r0)); 1166 __ ldr(r0, MemOperand(r0));
1167 __ cmp(sp, r0); 1167 __ cmp(sp, r0);
1168 SafeCall(&check_preempt_label_, ls); 1168 SafeCall(&check_preempt_label_, ls);
1169 } 1169 }
1170 1170
1171 1171
1172 void RegExpMacroAssemblerARM::CheckStackLimit() { 1172 void RegExpMacroAssemblerARM::CheckStackLimit() {
1173 ExternalReference stack_limit = 1173 ExternalReference stack_limit =
1174 ExternalReference::address_of_regexp_stack_limit(); 1174 ExternalReference::address_of_regexp_stack_limit(masm_->isolate());
1175 __ mov(r0, Operand(stack_limit)); 1175 __ mov(r0, Operand(stack_limit));
1176 __ ldr(r0, MemOperand(r0)); 1176 __ ldr(r0, MemOperand(r0));
1177 __ cmp(backtrack_stackpointer(), Operand(r0)); 1177 __ cmp(backtrack_stackpointer(), Operand(r0));
1178 SafeCall(&stack_overflow_label_, ls); 1178 SafeCall(&stack_overflow_label_, ls);
1179 } 1179 }
1180 1180
1181 1181
1182 void RegExpMacroAssemblerARM::EmitBacktrackConstantPool() { 1182 void RegExpMacroAssemblerARM::EmitBacktrackConstantPool() {
1183 __ CheckConstPool(false, false); 1183 __ CheckConstPool(false, false);
1184 __ BlockConstPoolBefore( 1184 __ BlockConstPoolBefore(
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1274 __ ldr(pc, MemOperand(sp, stack_alignment, PostIndex)); 1274 __ ldr(pc, MemOperand(sp, stack_alignment, PostIndex));
1275 } 1275 }
1276 1276
1277 #undef __ 1277 #undef __
1278 1278
1279 #endif // V8_INTERPRETED_REGEXP 1279 #endif // V8_INTERPRETED_REGEXP
1280 1280
1281 }} // namespace v8::internal 1281 }} // namespace v8::internal
1282 1282
1283 #endif // V8_TARGET_ARCH_ARM 1283 #endif // V8_TARGET_ARCH_ARM
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