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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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364 __ add(r0, r0, Operand(end_of_input_address())); | 364 __ add(r0, r0, Operand(end_of_input_address())); |
365 // Length of capture. | 365 // Length of capture. |
366 __ mov(r2, Operand(r1)); | 366 __ mov(r2, Operand(r1)); |
367 // Save length in callee-save register for use on return. | 367 // Save length in callee-save register for use on return. |
368 __ mov(r4, Operand(r1)); | 368 __ mov(r4, Operand(r1)); |
369 // Address of current input position. | 369 // Address of current input position. |
370 __ add(r1, current_input_offset(), Operand(end_of_input_address())); | 370 __ add(r1, current_input_offset(), Operand(end_of_input_address())); |
371 // Isolate. | 371 // Isolate. |
372 __ mov(r3, Operand(ExternalReference::isolate_address())); | 372 __ mov(r3, Operand(ExternalReference::isolate_address())); |
373 | 373 |
374 ExternalReference function = | 374 { |
375 ExternalReference::re_case_insensitive_compare_uc16(masm_->isolate()); | 375 AllowExternalCallThatCantCauseGC scope(masm_); |
376 __ CallCFunction(function, argument_count); | 376 ExternalReference function = |
| 377 ExternalReference::re_case_insensitive_compare_uc16(masm_->isolate()); |
| 378 __ CallCFunction(function, argument_count); |
| 379 } |
377 | 380 |
378 // Check if function returned non-zero for success or zero for failure. | 381 // Check if function returned non-zero for success or zero for failure. |
379 __ cmp(r0, Operand(0, RelocInfo::NONE)); | 382 __ cmp(r0, Operand(0, RelocInfo::NONE)); |
380 BranchOrBacktrack(eq, on_no_match); | 383 BranchOrBacktrack(eq, on_no_match); |
381 // On success, increment position by length of capture. | 384 // On success, increment position by length of capture. |
382 __ add(current_input_offset(), current_input_offset(), Operand(r4)); | 385 __ add(current_input_offset(), current_input_offset(), Operand(r4)); |
383 } | 386 } |
384 | 387 |
385 __ bind(&fallthrough); | 388 __ bind(&fallthrough); |
386 } | 389 } |
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604 __ jmp(&exit_label_); | 607 __ jmp(&exit_label_); |
605 } | 608 } |
606 | 609 |
607 | 610 |
608 Handle<HeapObject> RegExpMacroAssemblerARM::GetCode(Handle<String> source) { | 611 Handle<HeapObject> RegExpMacroAssemblerARM::GetCode(Handle<String> source) { |
609 // Finalize code - write the entry point code now we know how many | 612 // Finalize code - write the entry point code now we know how many |
610 // registers we need. | 613 // registers we need. |
611 | 614 |
612 // Entry code: | 615 // Entry code: |
613 __ bind(&entry_label_); | 616 __ bind(&entry_label_); |
| 617 |
| 618 // Tell the system that we have a stack frame. Because the type is MANUAL, no |
| 619 // is generated. |
| 620 FrameScope scope(masm_, StackFrame::MANUAL); |
| 621 |
| 622 // Actually emit code to start a new stack frame. |
614 // Push arguments | 623 // Push arguments |
615 // Save callee-save registers. | 624 // Save callee-save registers. |
616 // Start new stack frame. | 625 // Start new stack frame. |
617 // Store link register in existing stack-cell. | 626 // Store link register in existing stack-cell. |
618 // Order here should correspond to order of offset constants in header file. | 627 // Order here should correspond to order of offset constants in header file. |
619 RegList registers_to_retain = r4.bit() | r5.bit() | r6.bit() | | 628 RegList registers_to_retain = r4.bit() | r5.bit() | r6.bit() | |
620 r7.bit() | r8.bit() | r9.bit() | r10.bit() | fp.bit(); | 629 r7.bit() | r8.bit() | r9.bit() | r10.bit() | fp.bit(); |
621 RegList argument_registers = r0.bit() | r1.bit() | r2.bit() | r3.bit(); | 630 RegList argument_registers = r0.bit() | r1.bit() | r2.bit() | r3.bit(); |
622 __ stm(db_w, sp, argument_registers | registers_to_retain | lr.bit()); | 631 __ stm(db_w, sp, argument_registers | registers_to_retain | lr.bit()); |
623 // Set frame pointer in space for it if this is not a direct call | 632 // Set frame pointer in space for it if this is not a direct call |
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1278 __ ldr(pc, MemOperand(sp, stack_alignment, PostIndex)); | 1287 __ ldr(pc, MemOperand(sp, stack_alignment, PostIndex)); |
1279 } | 1288 } |
1280 | 1289 |
1281 #undef __ | 1290 #undef __ |
1282 | 1291 |
1283 #endif // V8_INTERPRETED_REGEXP | 1292 #endif // V8_INTERPRETED_REGEXP |
1284 | 1293 |
1285 }} // namespace v8::internal | 1294 }} // namespace v8::internal |
1286 | 1295 |
1287 #endif // V8_TARGET_ARCH_ARM | 1296 #endif // V8_TARGET_ARCH_ARM |
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