mirror of git://gcc.gnu.org/git/gcc.git
83 lines
1.9 KiB
C++
83 lines
1.9 KiB
C++
// natCore -- C++ side of Core
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/* Copyright (C) 2001 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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/* Author: Anthony Green <green@redhat.com>. */
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#include <config.h>
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#include <gcj/cni.h>
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#include <jvm.h>
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#include <string.h>
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#include <stdlib.h>
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#include <java/lang/NullPointerException.h>
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#include <java/io/IOException.h>
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#include <gnu/gcj/Core.h>
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typedef struct core_chain_struct
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{
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int name_length;
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const char *name;
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int data_length;
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const void *data;
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struct core_chain_struct *next;
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} core_chain;
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static core_chain *root;
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void _Jv_RegisterResource (void *vptr)
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{
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char *rptr = (char *)vptr;
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// These are permanent data structures for now. This routine is
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// called from a static constructor, so we shouldn't depend on too
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// much existing infrastructure.
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core_chain *cc = (core_chain *) malloc (sizeof (core_chain));
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cc->name_length = ((int *)rptr)[0];
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cc->data_length = ((int *)rptr)[1];
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cc->name = rptr + 2*sizeof(int);
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cc->data = cc->name + cc->name_length;
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// Add this new item to the chain...
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core_chain *old_root = root;
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cc->next = old_root;
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root = cc;
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}
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gnu::gcj::Core *
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gnu::gcj::Core::create (jstring name)
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{
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char buf[name->length() + 1];
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jsize total = JvGetStringUTFRegion (name, 0, name->length(), buf);
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buf[total] = '\0';
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core_chain *node = root;
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while (node)
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{
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if (total == node->name_length
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&& strncmp (buf, node->name, total) == 0)
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{
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gnu::gcj::Core *core =
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(gnu::gcj::Core *) _Jv_AllocObject(&gnu::gcj::Core::class$,
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sizeof (gnu::gcj::Core));
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core->ptr = (gnu::gcj::RawData *) node->data;
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core->length = node->data_length;
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return core;
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}
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else
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node = node->next;
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}
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throw new java::io::IOException (JvNewStringLatin1 ("can't open core"));
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}
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