phdr.c revision d29b2c4438482eb00488be49a1f5d6835f455546
/*
* 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"
/*
* String conversion routines for program header attributes.
*/
#include <string.h>
#include <_conv.h>
#include <phdr_msg.h>
/* Instantiate a local copy of conv_map2str() from _conv.h */
DEFINE_conv_map2str
const char *
conv_phdr_type(Half mach, Word type, Conv_fmt_flags_t fmt_flags,
Conv_inv_buf_t *inv_buf)
{
static const Msg phdrs[] = {
MSG_PT_NULL, MSG_PT_LOAD,
MSG_PT_DYNAMIC, MSG_PT_INTERP,
MSG_PT_NOTE, MSG_PT_SHLIB,
MSG_PT_PHDR, MSG_PT_TLS
};
static const Msg phdrs_alt[] = {
MSG_PT_NULL_ALT, MSG_PT_LOAD_ALT,
MSG_PT_DYNAMIC_ALT, MSG_PT_INTERP_ALT,
MSG_PT_NOTE_ALT, MSG_PT_SHLIB_ALT,
MSG_PT_PHDR_ALT, MSG_PT_TLS_ALT
};
#if PT_NUM != (PT_TLS + 1)
error "PT_NUM has grown. Update phdrs[]"
#endif
static const Msg uphdrs[] = {
MSG_PT_SUNWBSS, MSG_PT_SUNWSTACK,
MSG_PT_SUNWDTRACE, MSG_PT_SUNWCAP
};
static const Msg uphdrs_alt[] = {
MSG_PT_SUNWBSS_ALT, MSG_PT_SUNWSTACK_ALT,
MSG_PT_SUNWDTRACE_ALT, MSG_PT_SUNWCAP_ALT
};
#if PT_LOSUNW != PT_SUNWBSS
#error "PT_LOSUNW has grown. Update uphdrs[]"
#endif
if (type < PT_NUM) {
switch (CONV_TYPE_FMT_ALT(fmt_flags)) {
case CONV_FMT_ALT_DUMP:
case CONV_FMT_ALT_FILE:
return (conv_map2str(inv_buf, type, fmt_flags,
ARRAY_NELTS(phdrs_alt), phdrs_alt));
default:
return (conv_map2str(inv_buf, type, fmt_flags,
ARRAY_NELTS(phdrs), phdrs));
}
} else if ((type >= PT_SUNWBSS) && (type <= PT_HISUNW)) {
switch (CONV_TYPE_FMT_ALT(fmt_flags)) {
case CONV_FMT_ALT_DUMP:
case CONV_FMT_ALT_FILE:
return (conv_map2str(inv_buf, (type - PT_SUNWBSS),
fmt_flags, ARRAY_NELTS(uphdrs_alt), uphdrs_alt));
default:
return (conv_map2str(inv_buf, (type - PT_SUNWBSS),
fmt_flags, ARRAY_NELTS(uphdrs), uphdrs));
}
} else if ((type == PT_SUNW_UNWIND) && (mach == EM_AMD64)) {
switch (CONV_TYPE_FMT_ALT(fmt_flags)) {
case CONV_FMT_ALT_DUMP:
case CONV_FMT_ALT_FILE:
return (MSG_ORIG(MSG_PT_SUNW_UNWIND_ALT));
default:
return (MSG_ORIG(MSG_PT_SUNW_UNWIND));
}
} else
return (conv_invalid_val(inv_buf, type, 0));
}
#define PHDRSZ CONV_EXPN_FIELD_DEF_PREFIX_SIZE + \
MSG_PF_X_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_PF_W_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_PF_R_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
MSG_PF_SUNW_FAILURE_SIZE + CONV_EXPN_FIELD_DEF_SEP_SIZE + \
CONV_INV_BUFSIZE + CONV_EXPN_FIELD_DEF_SUFFIX_SIZE
/*
* Ensure that Conv_phdr_flags_buf_t is large enough:
*
* PHDRSZ is the real minimum size of the buffer required by conv_phdr_flags().
* However, Conv_phdr_flags_buf_t uses CONV_PHDR_FLAGS_BUFSIZE to set the
* buffer size. We do things this way because the definition of PHDRSZ uses
* information that is not available in the environment of other programs
* that include the conv.h header file.
*/
#if CONV_PHDR_FLAGS_BUFSIZE < PHDRSZ
#error "CONV_PHDR_FLAGS_BUFSIZE is not large enough"
#endif
const char *
conv_phdr_flags(Word flags, Conv_fmt_flags_t fmt_flags,
Conv_phdr_flags_buf_t *phdr_flags_buf)
{
static Val_desc vda[] = {
{ PF_X, MSG_ORIG(MSG_PF_X) },
{ PF_W, MSG_ORIG(MSG_PF_W) },
{ PF_R, MSG_ORIG(MSG_PF_R) },
{ PF_SUNW_FAILURE, MSG_ORIG(MSG_PF_SUNW_FAILURE) },
{ 0, 0 }
};
static CONV_EXPN_FIELD_ARG conv_arg = {
NULL, sizeof (phdr_flags_buf->buf), vda };
if (flags == 0)
return (MSG_ORIG(MSG_GBL_ZERO));
conv_arg.buf = phdr_flags_buf->buf;
conv_arg.oflags = conv_arg.rflags = flags;
(void) conv_expn_field(&conv_arg, fmt_flags);
return ((const char *)phdr_flags_buf->buf);
}