elf.c revision c13de8f6a88563211bd4432ca11ca38ed3bf0fc0
/*
* 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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* String conversion routines for ELF header attributes.
*/
#include <stdio.h>
#include <string.h>
#include "_conv.h"
#include "elf_msg.h"
#include <sys/elf_SPARC.h>
/* Instantiate a local copy of conv_map2str() from _conv.h */
DEFINE_conv_map2str
const char *
conv_ehdr_class(uchar_t class, int fmt_flags)
{
static char string[CONV_INV_STRSIZE];
static const Msg classes[] = {
MSG_ELFCLASSNONE, MSG_ELFCLASS32, MSG_ELFCLASS64
};
static const Msg classes_alt[] = {
MSG_ELFCLASSNONE_ALT, MSG_ELFCLASS32_ALT, MSG_ELFCLASS64_ALT
};
return (conv_map2str(string, sizeof (string), class, fmt_flags,
ARRAY_NELTS(classes), classes, classes_alt, classes_alt));
}
const char *
conv_ehdr_data(uchar_t data, int fmt_flags)
{
static char string[CONV_INV_STRSIZE];
static const Msg datas[] = {
MSG_ELFDATANONE, MSG_ELFDATA2LSB, MSG_ELFDATA2MSB
};
static const Msg datas_dump[] = {
MSG_ELFDATANONE_ALT, MSG_ELFDATA2LSB_ALT1, MSG_ELFDATA2MSB_ALT1
};
static const Msg datas_file[] = {
MSG_ELFDATANONE_ALT, MSG_ELFDATA2LSB_ALT2, MSG_ELFDATA2MSB_ALT2
};
return (conv_map2str(string, sizeof (string), data, fmt_flags,
ARRAY_NELTS(datas), datas, datas_dump, datas_file));
}
static const Msg machines[EM_NUM] = {
MSG_EM_NONE, MSG_EM_M32, MSG_EM_SPARC,
MSG_EM_386, MSG_EM_68K, MSG_EM_88K,
MSG_EM_486, MSG_EM_860, MSG_EM_MIPS,
MSG_EM_UNKNOWN9, MSG_EM_MIPS_RS3_LE, MSG_EM_RS6000,
MSG_EM_UNKNOWN12, MSG_EM_UNKNOWN13, MSG_EM_UNKNOWN14,
MSG_EM_PA_RISC, MSG_EM_nCUBE, MSG_EM_VPP500,
MSG_EM_SPARC32PLUS, MSG_EM_UNKNOWN19, MSG_EM_PPC,
MSG_EM_PPC64, MSG_EM_UNKNOWN22, MSG_EM_UNKNOWN23,
MSG_EM_UNKNOWN24, MSG_EM_UNKNOWN25, MSG_EM_UNKNOWN26,
MSG_EM_UNKNOWN27, MSG_EM_UNKNOWN28, MSG_EM_UNKNOWN29,
MSG_EM_UNKNOWN30, MSG_EM_UNKNOWN31, MSG_EM_UNKNOWN32,
MSG_EM_UNKNOWN33, MSG_EM_UNKNOWN34, MSG_EM_UNKNOWN35,
MSG_EM_Y800, MSG_EM_FR20, MSG_EM_RH32,
MSG_EM_RCE, MSG_EM_ARM, MSG_EM_ALPHA,
MSG_EM_SH, MSG_EM_SPARCV9, MSG_EM_TRICORE,
MSG_EM_ARC, MSG_EM_H8_300, MSG_EM_H8_300H,
MSG_EM_H8S, MSG_EM_H8_500, MSG_EM_IA_64,
MSG_EM_MIPS_X, MSG_EM_COLDFIRE, MSG_EM_68HC12,
MSG_EM_MMA, MSG_EM_PCP, MSG_EM_NCPU,
MSG_EM_NDR1, MSG_EM_STARCORE, MSG_EM_ME16,
MSG_EM_ST100, MSG_EM_TINYJ, MSG_EM_AMD64,
MSG_EM_UNKNOWN63, MSG_EM_UNKNOWN64, MSG_EM_UNKNOWN65,
MSG_EM_FX66, MSG_EM_ST9PLUS, MSG_EM_ST7,
MSG_EM_68HC16, MSG_EM_68HC11, MSG_EM_68HC08,
MSG_EM_68HC05, MSG_EM_SVX, MSG_EM_ST19,
MSG_EM_VAX, MSG_EM_CRIS, MSG_EM_JAVELIN,
MSG_EM_FIREPATH, MSG_EM_ZSP, MSG_EM_MMIX,
MSG_EM_HUANY, MSG_EM_PRISM, MSG_EM_AVR,
MSG_EM_FR30, MSG_EM_D10V, MSG_EM_D30V,
MSG_EM_V850, MSG_EM_M32R, MSG_EM_MN10300,
MSG_EM_MN10200, MSG_EM_PJ, MSG_EM_OPENRISC,
MSG_EM_ARC_A5, MSG_EM_XTENSA
};
static const Msg machines_alt[EM_NUM] = {
MSG_EM_NONE_ALT, MSG_EM_M32_ALT, MSG_EM_SPARC_ALT,
MSG_EM_386_ALT, MSG_EM_68K_ALT, MSG_EM_88K_ALT,
MSG_EM_486_ALT, MSG_EM_860_ALT, MSG_EM_MIPS_ALT,
MSG_EM_UNKNOWN9, MSG_EM_MIPS_RS3_LE_ALT, MSG_EM_RS6000_ALT,
MSG_EM_UNKNOWN12, MSG_EM_UNKNOWN13, MSG_EM_UNKNOWN14,
MSG_EM_PA_RISC_ALT, MSG_EM_nCUBE_ALT, MSG_EM_VPP500_ALT,
MSG_EM_SPARC32PLUS_ALT, MSG_EM_UNKNOWN19, MSG_EM_PPC_ALT,
MSG_EM_PPC64_ALT, MSG_EM_UNKNOWN22, MSG_EM_UNKNOWN23,
MSG_EM_UNKNOWN24, MSG_EM_UNKNOWN25, MSG_EM_UNKNOWN26,
MSG_EM_UNKNOWN27, MSG_EM_UNKNOWN28, MSG_EM_UNKNOWN29,
MSG_EM_UNKNOWN30, MSG_EM_UNKNOWN31, MSG_EM_UNKNOWN32,
MSG_EM_UNKNOWN33, MSG_EM_UNKNOWN34, MSG_EM_UNKNOWN35,
MSG_EM_Y800, MSG_EM_FR20, MSG_EM_RH32,
MSG_EM_RCE, MSG_EM_ARM_ALT, MSG_EM_ALPHA_ALT,
MSG_EM_SH, MSG_EM_SPARCV9_ALT, MSG_EM_TRICORE,
MSG_EM_ARC, MSG_EM_H8_300, MSG_EM_H8_300H,
MSG_EM_H8S, MSG_EM_H8_500, MSG_EM_IA_64_ALT,
MSG_EM_MIPS_X, MSG_EM_COLDFIRE, MSG_EM_68HC12,
MSG_EM_MMA, MSG_EM_PCP, MSG_EM_NCPU,
MSG_EM_NDR1, MSG_EM_STARCORE, MSG_EM_ME16,
MSG_EM_ST100, MSG_EM_TINYJ, MSG_EM_AMD64_ALT,
MSG_EM_UNKNOWN63, MSG_EM_UNKNOWN64, MSG_EM_UNKNOWN65,
MSG_EM_FX66, MSG_EM_ST9PLUS, MSG_EM_ST7,
MSG_EM_68HC16, MSG_EM_68HC11, MSG_EM_68HC08,
MSG_EM_68HC05, MSG_EM_SVX, MSG_EM_ST19,
MSG_EM_VAX_ALT, MSG_EM_CRIS, MSG_EM_JAVELIN,
MSG_EM_FIREPATH, MSG_EM_ZSP, MSG_EM_MMIX,
MSG_EM_HUANY, MSG_EM_PRISM, MSG_EM_AVR,
MSG_EM_FR30, MSG_EM_D10V, MSG_EM_D30V,
MSG_EM_V850, MSG_EM_M32R, MSG_EM_MN10300,
MSG_EM_MN10200, MSG_EM_PJ, MSG_EM_OPENRISC,
MSG_EM_ARC_A5, MSG_EM_XTENSA
};
#if (EM_NUM != (EM_XTENSA + 1))
#error "EM_NUM has grown"
#endif
const char *
conv_ehdr_mach(Half machine, int fmt_flags)
{
static char string[CONV_INV_STRSIZE];
return (conv_map2str(string, sizeof (string), machine, fmt_flags,
ARRAY_NELTS(machines), machines, machines_alt, machines_alt));
}
const char *
conv_ehdr_type(Half etype, int fmt_flags)
{
static char string[CONV_INV_STRSIZE];
static const Msg etypes[] = {
MSG_ET_NONE, MSG_ET_REL, MSG_ET_EXEC,
MSG_ET_DYN, MSG_ET_CORE
};
static const Msg etypes_alt[] = {
MSG_ET_NONE_ALT, MSG_ET_REL_ALT, MSG_ET_EXEC_ALT,
MSG_ET_DYN_ALT, MSG_ET_CORE_ALT
};
if (etype == ET_SUNWPSEUDO) {
return ((fmt_flags & CONV_FMTALTMASK)
? MSG_ORIG(MSG_ET_SUNWPSEUDO_ALT)
: MSG_ORIG(MSG_ET_SUNWPSEUDO));
}
return (conv_map2str(string, sizeof (string), etype, fmt_flags,
ARRAY_NELTS(etypes), etypes, etypes_alt, etypes_alt));
}
const char *
conv_ehdr_vers(Word version, int fmt_flags)
{
static char string[CONV_INV_STRSIZE];
static const Msg versions[] = {
MSG_EV_NONE, MSG_EV_CURRENT
};
static const Msg versions_alt[] = {
MSG_EV_NONE_ALT, MSG_EV_CURRENT_ALT
};
return (conv_map2str(string, sizeof (string), version, fmt_flags,
ARRAY_NELTS(versions), versions, versions_alt, versions_alt));
}
#define EFLAGSZ MSG_GBL_OSQBRKT_SIZE + \
MSG_EF_SPARCV9_TSO_SIZE + \
MSG_EF_SPARC_SUN_US1_SIZE + \
MSG_EF_SPARC_HAL_R1_SIZE + \
MSG_EF_SPARC_SUN_US3_SIZE + \
CONV_INV_STRSIZE + MSG_GBL_CSQBRKT_SIZE
/*
* Make a string representation of the e_flags field.
*/
const char *
conv_ehdr_flags(Half mach, Word flags)
{
static char string[EFLAGSZ];
static Val_desc vda[] = {
{ EF_SPARC_32PLUS, MSG_ORIG(MSG_EF_SPARC_32PLUS) },
{ EF_SPARC_SUN_US1, MSG_ORIG(MSG_EF_SPARC_SUN_US1) },
{ EF_SPARC_HAL_R1, MSG_ORIG(MSG_EF_SPARC_HAL_R1) },
{ EF_SPARC_SUN_US3, MSG_ORIG(MSG_EF_SPARC_SUN_US3) },
{ 0, 0 }
};
static const Msg mm_flags[] = {
MSG_EF_SPARCV9_TSO, MSG_EF_SPARCV9_PSO,
MSG_EF_SPARCV9_RMO
};
Word _flags = flags;
/*
* Non-SPARC architectures presently provide no known flags.
*/
if ((mach == EM_SPARCV9) || (((mach == EM_SPARC) ||
(mach == EM_SPARC32PLUS)) && flags)) {
/*
* Valid vendor extension bits for SPARCV9. These must be
* updated along with elf_SPARC.h.
*/
(void) strcpy(string, MSG_ORIG(MSG_GBL_OSQBRKT));
if ((mach == EM_SPARCV9) && (flags <= EF_SPARCV9_RMO)) {
if (strlcat(string,
MSG_ORIG(mm_flags[flags & EF_SPARCV9_MM]),
EFLAGSZ) >= EFLAGSZ)
return (conv_invalid_val(string, EFLAGSZ,
flags, 0));
_flags &= ~EF_SPARCV9_MM;
}
if (conv_expn_field(string, EFLAGSZ, vda, flags, _flags, 0, 0))
(void) strlcat(string, MSG_ORIG(MSG_GBL_CSQBRKT),
EFLAGSZ);
return (string);
}
return (conv_invalid_val(string, EFLAGSZ, flags, CONV_FMT_DECIMAL));
}
/*
* A generic means of returning additional information for a rejected file in
* terms of a string.
*/
const char *
conv_reject_desc(Rej_desc * rej)
{
static char string[CONV_INV_STRSIZE];
ushort_t type = rej->rej_type;
uint_t info = rej->rej_info;
if (type == SGS_REJ_MACH)
/* LINTED */
return (conv_ehdr_mach((Half)info, 0));
else if (type == SGS_REJ_CLASS)
/* LINTED */
return (conv_ehdr_class((uchar_t)info, 0));
else if (type == SGS_REJ_DATA)
/* LINTED */
return (conv_ehdr_data((uchar_t)info, 0));
else if (type == SGS_REJ_TYPE)
/* LINTED */
return (conv_ehdr_type((Half)info, 0));
else if ((type == SGS_REJ_BADFLAG) || (type == SGS_REJ_MISFLAG) ||
(type == SGS_REJ_HAL) || (type == SGS_REJ_US3))
/*
* Only called from ld.so.1, thus M_MACH is hardcoded.
*/
return (conv_ehdr_flags(M_MACH, (Word)info));
else if (type == SGS_REJ_UNKFILE)
return ((const char *)0);
else if ((type == SGS_REJ_STR) || (type == SGS_REJ_HWCAP_1)) {
if (rej->rej_str)
return ((const char *)rej->rej_str);
else
return (MSG_ORIG(MSG_STR_EMPTY));
} else
return (conv_invalid_val(string, CONV_INV_STRSIZE, info,
CONV_FMT_DECIMAL));
}