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Issue 6532091: Merge bleeding_edge revision (5922, 5934] to isolates branch.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/experimental/isolates/
Patch Set: '' Created 9 years, 10 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 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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347 // There are no translation commands for the caller's pc and fp, the 347 // There are no translation commands for the caller's pc and fp, the
348 // context, and the function. Synthesize their values and set them up 348 // context, and the function. Synthesize their values and set them up
349 // explicitly. 349 // explicitly.
350 // 350 //
351 // The caller's pc for the bottommost output frame is the same as in the 351 // The caller's pc for the bottommost output frame is the same as in the
352 // input frame. For all subsequent output frames, it can be read from the 352 // input frame. For all subsequent output frames, it can be read from the
353 // previous one. This frame's pc can be computed from the non-optimized 353 // previous one. This frame's pc can be computed from the non-optimized
354 // function code and AST id of the bailout. 354 // function code and AST id of the bailout.
355 output_offset -= kPointerSize; 355 output_offset -= kPointerSize;
356 input_offset -= kPointerSize; 356 input_offset -= kPointerSize;
357 uint32_t value; 357 intptr_t value;
358 if (is_bottommost) { 358 if (is_bottommost) {
359 value = input_->GetFrameSlot(input_offset); 359 value = input_->GetFrameSlot(input_offset);
360 } else { 360 } else {
361 value = output_[frame_index - 1]->GetPc(); 361 value = output_[frame_index - 1]->GetPc();
362 } 362 }
363 output_frame->SetFrameSlot(output_offset, value); 363 output_frame->SetFrameSlot(output_offset, value);
364 if (FLAG_trace_deopt) { 364 if (FLAG_trace_deopt) {
365 PrintF(" 0x%08x: [top + %d] <- 0x%08x ; caller's pc\n", 365 PrintF(" 0x%08x: [top + %d] <- 0x%08x ; caller's pc\n",
366 top_address + output_offset, output_offset, value); 366 top_address + output_offset, output_offset, value);
367 } 367 }
368 368
369 // The caller's frame pointer for the bottommost output frame is the same 369 // The caller's frame pointer for the bottommost output frame is the same
370 // as in the input frame. For all subsequent output frames, it can be 370 // as in the input frame. For all subsequent output frames, it can be
371 // read from the previous one. Also compute and set this frame's frame 371 // read from the previous one. Also compute and set this frame's frame
372 // pointer. 372 // pointer.
373 output_offset -= kPointerSize; 373 output_offset -= kPointerSize;
374 input_offset -= kPointerSize; 374 input_offset -= kPointerSize;
375 if (is_bottommost) { 375 if (is_bottommost) {
376 value = input_->GetFrameSlot(input_offset); 376 value = input_->GetFrameSlot(input_offset);
377 } else { 377 } else {
378 value = output_[frame_index - 1]->GetFp(); 378 value = output_[frame_index - 1]->GetFp();
379 } 379 }
380 output_frame->SetFrameSlot(output_offset, value); 380 output_frame->SetFrameSlot(output_offset, value);
381 unsigned fp_value = top_address + output_offset; 381 intptr_t fp_value = top_address + output_offset;
382 ASSERT(!is_bottommost || input_->GetRegister(ebp.code()) == fp_value); 382 ASSERT(!is_bottommost || input_->GetRegister(ebp.code()) == fp_value);
383 output_frame->SetFp(fp_value); 383 output_frame->SetFp(fp_value);
384 if (is_topmost) output_frame->SetRegister(ebp.code(), fp_value); 384 if (is_topmost) output_frame->SetRegister(ebp.code(), fp_value);
385 if (FLAG_trace_deopt) { 385 if (FLAG_trace_deopt) {
386 PrintF(" 0x%08x: [top + %d] <- 0x%08x ; caller's fp\n", 386 PrintF(" 0x%08x: [top + %d] <- 0x%08x ; caller's fp\n",
387 fp_value, output_offset, value); 387 fp_value, output_offset, value);
388 } 388 }
389 389
390 // The context can be gotten from the function so long as we don't 390 // The context can be gotten from the function so long as we don't
391 // optimize functions that need local contexts. 391 // optimize functions that need local contexts.
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609 __ jmp(&done); 609 __ jmp(&done);
610 ASSERT(masm()->pc_offset() - start == table_entry_size_); 610 ASSERT(masm()->pc_offset() - start == table_entry_size_);
611 } 611 }
612 __ bind(&done); 612 __ bind(&done);
613 } 613 }
614 614
615 #undef __ 615 #undef __
616 616
617 617
618 } } // namespace v8::internal 618 } } // namespace v8::internal
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