58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
/****************************************************************
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* *
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* Copyright 2002, 2007 Fidelity Information Services, Inc *
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* *
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* This source code contains the intellectual property *
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* of its copyright holder(s), and is made available *
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* under a license. If you do not know the terms of *
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* the license, please stop and do not read further. *
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* *
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****************************************************************/
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#include "mdef.h"
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#include "iosp.h"
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#include "error.h"
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#include <rtnhdr.h>
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#include "inst_flush.h"
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#include "private_code_copy.h"
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#include "stack_frame.h"
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#include "gtm_text_alloc.h"
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#include "gtm_string.h"
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CONDITION_HANDLER(cre_priv_ch)
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{
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error_def(UNIX_ONLY(ERR_MEMORY) VMS_ONLY(ERR_VMSMEMORY);)
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START_CH;
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if (SIGNAL == UNIX_ONLY(ERR_MEMORY) VMS_ONLY(ERR_VMSMEMORY))
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{
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UNWIND(NULL, NULL); /* ignore "lack-of-memory" error, rather not set breakpoint than error out in such a case */
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}
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NEXTCH;
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}
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uint4 cre_private_code_copy(rhdtyp *rtn)
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{
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unsigned char *new_ptext;
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int code_size;
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error_def(UNIX_ONLY(ERR_MEMORY) VMS_ONLY(ERR_VMSMEMORY);)
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#ifdef USHBIN_SUPPORTED
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assert(NULL != rtn->shlib_handle); /* don't need private copy if not shared */
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assert(NULL == rtn->shared_ptext_adr); /* if already private, we shouldn't be calling this routine */
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code_size = (int)(rtn->ptext_end_adr - rtn->ptext_adr) ;
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ESTABLISH_RET(cre_priv_ch, UNIX_ONLY(ERR_MEMORY) VMS_ONLY(ERR_VMSMEMORY));
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new_ptext = GTM_TEXT_ALLOC(code_size);
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REVERT;
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memcpy(new_ptext, rtn->ptext_adr, code_size);
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adjust_frames(rtn->ptext_adr, rtn->ptext_end_adr, new_ptext);
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rtn->shared_ptext_adr = rtn->ptext_adr;
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rtn->ptext_adr = new_ptext;
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rtn->ptext_end_adr = new_ptext + code_size;
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inst_flush(new_ptext, code_size);
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#endif
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return SS_NORMAL;
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}
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