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comparison src/share/vm/code/vtableStubs.cpp @ 12146:9758d9f36299

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8021954: VM SIGSEGV during classloading on MacOS; hs_err_pid file produced Summary: declare all user-defined operator new()s within Hotspot code with the empty throw() exception specification Reviewed-by: coleenp, twisti, dholmes, hseigel, dcubed, kvn, ccheung Contributed-by: lois.foltan@oracle.com
author coleenp
date Thu, 29 Aug 2013 18:56:29 -0400
parents 746b070f5022
children b2e698d2276c
comparison
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12145:cef1e56a4d88 12146:9758d9f36299
1 /* 1 /*
2 * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
47 VMReg VtableStub::_receiver_location = VMRegImpl::Bad(); 47 VMReg VtableStub::_receiver_location = VMRegImpl::Bad();
48 48
49 static int num_vtable_chunks = 0; 49 static int num_vtable_chunks = 0;
50 50
51 51
52 void* VtableStub::operator new(size_t size, int code_size) { 52 void* VtableStub::operator new(size_t size, int code_size) throw() {
53 assert(size == sizeof(VtableStub), "mismatched size"); 53 assert(size == sizeof(VtableStub), "mismatched size");
54 num_vtable_chunks++; 54 num_vtable_chunks++;
55 // compute real VtableStub size (rounded to nearest word) 55 // compute real VtableStub size (rounded to nearest word)
56 const int real_size = round_to(code_size + sizeof(VtableStub), wordSize); 56 const int real_size = round_to(code_size + sizeof(VtableStub), wordSize);
57 // malloc them in chunks to minimize header overhead 57 // malloc them in chunks to minimize header overhead