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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <strings.h>
#include <dwarf.h>
#include "_conv.h"
#include <dwarf_ehe_msg.h>
#define FLAGSZ MSG_GBL_OSQBRKT_SIZE + \
MSG_DWEHE_SLEB128_SIZE + \
MSG_DWEHE_INDIRECT_SIZE + \
CONV_INV_BUFSIZE + MSG_GBL_CSQBRKT_SIZE
/*
* Ensure that Conv_dwarf_ehe_buf_t is large enough:
*
* FLAGSZ is the real minimum size of the buffer required by conv_dwarf_ehe().
* However, Conv_dwarf_ehe_buf_t uses CONV_EHDR_FLAG_BUFSIZE to set the
* buffer size. We do things this way because the definition of FLAGSZ uses
* information that is not available in the environment of other programs
* that include the conv.h header file.
*/
#if (CONV_DWARF_EHE_BUFSIZE != FLAGSZ) && !defined(__lint)
#define REPORT_BUFSIZE FLAGSZ
#include "report_bufsize.h"
#error "CONV_DWARF_EHE_BUFSIZE does not match FLAGSZ"
#endif
const char *
conv_dwarf_ehe(uint_t flags, Conv_dwarf_ehe_buf_t *dwarf_ehe_buf)
{
char *buf = dwarf_ehe_buf->buf;
size_t ret = 0;
(void) strncpy(buf, MSG_ORIG(MSG_GBL_OSQBRKT), FLAGSZ);
if (flags == DW_EH_PE_omit)
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_OMIT), FLAGSZ);
else if (flags == DW_EH_PE_absptr)
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_ABSPTR), FLAGSZ);
if (ret >= FLAGSZ)
return (conv_invalid_val(&dwarf_ehe_buf->inv_buf, flags, 0));
if ((flags == DW_EH_PE_omit) || (flags == DW_EH_PE_absptr)) {
(void) strlcat(buf, MSG_ORIG(MSG_GBL_CSQBRKT), FLAGSZ);
return (buf);
}
switch (flags & 0x0f) {
case DW_EH_PE_uleb128:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_ULEB128), FLAGSZ);
break;
case DW_EH_PE_udata2:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_UDATA2), FLAGSZ);
break;
case DW_EH_PE_udata4:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_UDATA4), FLAGSZ);
break;
case DW_EH_PE_udata8:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_UDATA8), FLAGSZ);
break;
case DW_EH_PE_sleb128:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_SLEB128), FLAGSZ);
break;
case DW_EH_PE_sdata2:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_SDATA2), FLAGSZ);
break;
case DW_EH_PE_sdata4:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_SDATA4), FLAGSZ);
break;
case DW_EH_PE_sdata8:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_SDATA8), FLAGSZ);
break;
}
if (ret >= FLAGSZ)
return (conv_invalid_val(&dwarf_ehe_buf->inv_buf, flags, 0));
switch (flags & 0xf0) {
case DW_EH_PE_pcrel:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_PCREL), FLAGSZ);
break;
case DW_EH_PE_textrel:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_TEXTREL), FLAGSZ);
break;
case DW_EH_PE_datarel:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_DATAREL), FLAGSZ);
break;
case DW_EH_PE_funcrel:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_FUNCREL), FLAGSZ);
break;
case DW_EH_PE_aligned:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_ALIGNED), FLAGSZ);
break;
case DW_EH_PE_indirect:
ret = strlcat(buf, MSG_ORIG(MSG_DWEHE_INDIRECT), FLAGSZ);
break;
}
if (ret >= FLAGSZ)
return (conv_invalid_val(&dwarf_ehe_buf->inv_buf, flags, 0));
(void) strlcat(buf, MSG_ORIG(MSG_GBL_CSQBRKT), FLAGSZ);
return (buf);
}
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