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Issue 214473003: Reland "Correctly OOM in the CEntryStub after retries." (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: fix Created 6 years, 9 months ago
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1 // Copyright 2013 the V8 project authors. All rights reserved. 1 // Copyright 2013 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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1748 false); 1748 false);
1749 1749
1750 // Do full GC and retry runtime call one final time. 1750 // Do full GC and retry runtime call one final time.
1751 __ Mov(x0, reinterpret_cast<uint64_t>(Failure::InternalError())); 1751 __ Mov(x0, reinterpret_cast<uint64_t>(Failure::InternalError()));
1752 GenerateCore(masm, 1752 GenerateCore(masm,
1753 &throw_normal, 1753 &throw_normal,
1754 &throw_termination, 1754 &throw_termination,
1755 true, 1755 true,
1756 true); 1756 true);
1757 1757
1758 { FrameScope scope(masm, StackFrame::MANUAL);
1759 __ CallCFunction(
1760 ExternalReference::out_of_memory_function(masm->isolate()), 0);
1761 }
1762
1758 // We didn't execute a return case, so the stack frame hasn't been updated 1763 // We didn't execute a return case, so the stack frame hasn't been updated
1759 // (except for the return address slot). However, we don't need to initialize 1764 // (except for the return address slot). However, we don't need to initialize
1760 // jssp because the throw method will immediately overwrite it when it 1765 // jssp because the throw method will immediately overwrite it when it
1761 // unwinds the stack. 1766 // unwinds the stack.
1762 if (__ emit_debug_code()) {
1763 __ Mov(jssp, kDebugZapValue);
1764 }
1765 __ SetStackPointer(jssp); 1767 __ SetStackPointer(jssp);
1766 1768
1767 // Throw exceptions. 1769 // Throw exceptions.
1768 // If we throw an exception, we can end up re-entering CEntryStub before we 1770 // If we throw an exception, we can end up re-entering CEntryStub before we
1769 // pop the exit frame, so need to ensure that x21-x23 contain GC-safe values 1771 // pop the exit frame, so need to ensure that x21-x23 contain GC-safe values
1770 // here. 1772 // here.
1771 1773
1772 __ Bind(&throw_termination); 1774 __ Bind(&throw_termination);
1773 ASM_LOCATION("Throw termination"); 1775 ASM_LOCATION("Throw termination");
1774 __ Mov(argv, 0); 1776 __ Mov(argv, 0);
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5732 MemOperand(fp, 6 * kPointerSize), 5734 MemOperand(fp, 6 * kPointerSize),
5733 NULL); 5735 NULL);
5734 } 5736 }
5735 5737
5736 5738
5737 #undef __ 5739 #undef __
5738 5740
5739 } } // namespace v8::internal 5741 } } // namespace v8::internal
5740 5742
5741 #endif // V8_TARGET_ARCH_ARM64 5743 #endif // V8_TARGET_ARCH_ARM64
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