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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 |
11 // with the distribution. | 11 // with the distribution. |
12 // * Neither the name of Google Inc. nor the names of its | 12 // * Neither the name of Google Inc. nor the names of its |
13 // contributors may be used to endorse or promote products derived | 13 // contributors may be used to endorse or promote products derived |
14 // from this software without specific prior written permission. | 14 // from this software without specific prior written permission. |
15 // | 15 // |
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | 27 |
28 #include "v8.h" | 28 #include "v8.h" |
29 | 29 |
| 30 #if defined(V8_TARGET_ARCH_ARM) |
| 31 |
30 #include "codegen-inl.h" | 32 #include "codegen-inl.h" |
31 #include "register-allocator-inl.h" | 33 #include "register-allocator-inl.h" |
32 #include "scopes.h" | 34 #include "scopes.h" |
33 #include "virtual-frame-inl.h" | 35 #include "virtual-frame-inl.h" |
34 | 36 |
35 namespace v8 { | 37 namespace v8 { |
36 namespace internal { | 38 namespace internal { |
37 | 39 |
38 #define __ ACCESS_MASM(masm()) | 40 #define __ ACCESS_MASM(masm()) |
39 | 41 |
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300 void VirtualFrame::InvokeBuiltin(Builtins::JavaScript id, | 302 void VirtualFrame::InvokeBuiltin(Builtins::JavaScript id, |
301 InvokeJSFlags flags, | 303 InvokeJSFlags flags, |
302 int arg_count) { | 304 int arg_count) { |
303 Forget(arg_count); | 305 Forget(arg_count); |
304 __ InvokeBuiltin(id, flags); | 306 __ InvokeBuiltin(id, flags); |
305 } | 307 } |
306 | 308 |
307 | 309 |
308 void VirtualFrame::CallLoadIC(Handle<String> name, RelocInfo::Mode mode) { | 310 void VirtualFrame::CallLoadIC(Handle<String> name, RelocInfo::Mode mode) { |
309 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); | 311 Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); |
310 SpillAllButCopyTOSToR0(); | 312 PopToR0(); |
| 313 SpillAll(); |
311 __ mov(r2, Operand(name)); | 314 __ mov(r2, Operand(name)); |
312 CallCodeObject(ic, mode, 0); | 315 CallCodeObject(ic, mode, 0); |
313 } | 316 } |
314 | 317 |
315 | 318 |
316 void VirtualFrame::CallStoreIC(Handle<String> name, bool is_contextual) { | 319 void VirtualFrame::CallStoreIC(Handle<String> name, bool is_contextual) { |
317 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize)); | 320 Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize)); |
318 PopToR0(); | 321 PopToR0(); |
319 if (is_contextual) { | 322 if (is_contextual) { |
320 SpillAll(); | 323 SpillAll(); |
321 __ ldr(r1, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); | 324 __ ldr(r1, MemOperand(cp, Context::SlotOffset(Context::GLOBAL_INDEX))); |
322 } else { | 325 } else { |
323 EmitPop(r1); | 326 EmitPop(r1); |
324 SpillAll(); | 327 SpillAll(); |
325 } | 328 } |
326 __ mov(r2, Operand(name)); | 329 __ mov(r2, Operand(name)); |
327 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); | 330 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); |
328 } | 331 } |
329 | 332 |
330 | 333 |
331 void VirtualFrame::CallKeyedLoadIC() { | 334 void VirtualFrame::CallKeyedLoadIC() { |
332 Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize)); | 335 Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize)); |
333 PopToR1R0(); | 336 PopToR1R0(); |
334 SpillAll(); | 337 SpillAll(); |
335 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); | 338 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); |
336 } | 339 } |
337 | 340 |
338 | 341 |
339 void VirtualFrame::CallKeyedStoreIC() { | 342 void VirtualFrame::CallKeyedStoreIC() { |
340 ASSERT(SpilledScope::is_spilled()); | |
341 Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize)); | 343 Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize)); |
| 344 PopToR1R0(); |
| 345 SpillAll(); |
| 346 EmitPop(r2); |
342 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); | 347 CallCodeObject(ic, RelocInfo::CODE_TARGET, 0); |
343 } | 348 } |
344 | 349 |
345 | 350 |
346 void VirtualFrame::CallCodeObject(Handle<Code> code, | 351 void VirtualFrame::CallCodeObject(Handle<Code> code, |
347 RelocInfo::Mode rmode, | 352 RelocInfo::Mode rmode, |
348 int dropped_args) { | 353 int dropped_args) { |
349 switch (code->kind()) { | 354 switch (code->kind()) { |
350 case Code::CALL_IC: | 355 case Code::CALL_IC: |
351 case Code::FUNCTION: | 356 case Code::FUNCTION: |
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498 Register answer = kTopRegister[top_of_stack_state_]; | 503 Register answer = kTopRegister[top_of_stack_state_]; |
499 __ pop(answer); | 504 __ pop(answer); |
500 return answer; | 505 return answer; |
501 } else { | 506 } else { |
502 return kTopRegister[top_of_stack_state_]; | 507 return kTopRegister[top_of_stack_state_]; |
503 } | 508 } |
504 } | 509 } |
505 | 510 |
506 | 511 |
507 void VirtualFrame::Dup() { | 512 void VirtualFrame::Dup() { |
508 AssertIsNotSpilled(); | 513 if (SpilledScope::is_spilled()) { |
509 switch (top_of_stack_state_) { | 514 __ ldr(ip, MemOperand(sp, 0)); |
510 case NO_TOS_REGISTERS: | 515 __ push(ip); |
511 __ ldr(r0, MemOperand(sp, 0)); | 516 } else { |
512 top_of_stack_state_ = R0_TOS; | 517 switch (top_of_stack_state_) { |
513 break; | 518 case NO_TOS_REGISTERS: |
514 case R0_TOS: | 519 __ ldr(r0, MemOperand(sp, 0)); |
515 __ mov(r1, r0); | 520 top_of_stack_state_ = R0_TOS; |
516 // r0 and r1 contains the same value. Prefer a state with r0 holding TOS. | 521 break; |
517 top_of_stack_state_ = R0_R1_TOS; | 522 case R0_TOS: |
518 break; | 523 __ mov(r1, r0); |
519 case R1_TOS: | 524 // r0 and r1 contains the same value. Prefer state with r0 holding TOS. |
520 __ mov(r0, r1); | 525 top_of_stack_state_ = R0_R1_TOS; |
521 // r0 and r1 contains the same value. Prefer a state with r0 holding TOS. | 526 break; |
522 top_of_stack_state_ = R0_R1_TOS; | 527 case R1_TOS: |
523 break; | 528 __ mov(r0, r1); |
524 case R0_R1_TOS: | 529 // r0 and r1 contains the same value. Prefer state with r0 holding TOS. |
525 __ push(r1); | 530 top_of_stack_state_ = R0_R1_TOS; |
526 __ mov(r1, r0); | 531 break; |
527 // r0 and r1 contains the same value. Prefer a state with r0 holding TOS. | 532 case R0_R1_TOS: |
528 top_of_stack_state_ = R0_R1_TOS; | 533 __ push(r1); |
529 break; | 534 __ mov(r1, r0); |
530 case R1_R0_TOS: | 535 // r0 and r1 contains the same value. Prefer state with r0 holding TOS. |
531 __ push(r0); | 536 top_of_stack_state_ = R0_R1_TOS; |
532 __ mov(r0, r1); | 537 break; |
533 // r0 and r1 contains the same value. Prefer a state with r0 holding TOS. | 538 case R1_R0_TOS: |
534 top_of_stack_state_ = R0_R1_TOS; | 539 __ push(r0); |
535 break; | 540 __ mov(r0, r1); |
536 default: | 541 // r0 and r1 contains the same value. Prefer state with r0 holding TOS. |
537 UNREACHABLE(); | 542 top_of_stack_state_ = R0_R1_TOS; |
| 543 break; |
| 544 default: |
| 545 UNREACHABLE(); |
| 546 } |
538 } | 547 } |
539 element_count_++; | 548 element_count_++; |
540 } | 549 } |
541 | 550 |
542 | 551 |
543 void VirtualFrame::Dup2() { | 552 void VirtualFrame::Dup2() { |
544 if (SpilledScope::is_spilled()) { | 553 if (SpilledScope::is_spilled()) { |
545 __ ldr(ip, MemOperand(sp, kPointerSize)); | 554 __ ldr(ip, MemOperand(sp, kPointerSize)); |
546 __ push(ip); | 555 __ push(ip); |
547 __ ldr(ip, MemOperand(sp, kPointerSize)); | 556 __ ldr(ip, MemOperand(sp, kPointerSize)); |
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742 default: | 751 default: |
743 UNREACHABLE(); | 752 UNREACHABLE(); |
744 break; | 753 break; |
745 } | 754 } |
746 ASSERT(register_allocation_map_ == 0); // Not yet implemented. | 755 ASSERT(register_allocation_map_ == 0); // Not yet implemented. |
747 } | 756 } |
748 | 757 |
749 #undef __ | 758 #undef __ |
750 | 759 |
751 } } // namespace v8::internal | 760 } } // namespace v8::internal |
| 761 |
| 762 #endif // V8_TARGET_ARCH_ARM |
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