1/* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22/* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27#ifndef _RELOC_DEFS_DOT_H 28#define _RELOC_DEFS_DOT_H 29 30#pragma ident "%Z%%M% %I% %E% SMI" 31 32#include <sys/machelf.h> 33 34#ifdef __cplusplus 35extern "C" { 36#endif 37 38/* 39 * Definitions used by the relocation common code. 40 */ 41 42 43/* 44 * Structure used to build the reloc_table[] 45 */ 46typedef struct { 47 Xword re_mask; /* mask to apply to reloc (sparc only) */ 48 Word re_flags; /* relocation attributes */ 49 uchar_t re_fsize; /* field size (in bytes) */ 50 uchar_t re_bshift; /* number of bits to shift (sparc only) */ 51 uchar_t re_sigbits; /* number of significant bits */ 52} Rel_entry; 53 54/* 55 * Flags for reloc_entry->re_flags 56 */ 57#define FLG_RE_NOTREL 0x00000000 58#define FLG_RE_GOTADD 0x00000001 /* create a GOT entry */ 59#define FLG_RE_GOTREL 0x00000002 /* GOT based */ 60#define FLG_RE_GOTPC 0x00000004 /* GOT - P */ 61#define FLG_RE_GOTOPINS 0x00000008 /* GOTOP instruction */ 62#define FLG_RE_PCREL 0x00000010 63#define FLG_RE_PLTREL 0x00000020 64#define FLG_RE_VERIFY 0x00000040 /* verify value fits */ 65#define FLG_RE_UNALIGN 0x00000080 /* offset is not aligned */ 66#define FLG_RE_WDISP16 0x00000100 /* funky sparc DISP16 rel */ 67#define FLG_RE_SIGN 0x00000200 /* value is signed */ 68#define FLG_RE_ADDRELATIVE 0x00000400 /* RELATIVE relocation */ 69 /* required for non- */ 70 /* fixed objects */ 71#define FLG_RE_EXTOFFSET 0x00000800 /* extra offset required */ 72#define FLG_RE_REGISTER 0x00001000 /* relocation initializes */ 73 /* a REGISTER by OLO10 */ 74#define FLG_RE_SIZE 0x00002000 /* symbol size required */ 75 76#define FLG_RE_NOTSUP 0x00010000 /* relocation not supported */ 77 78#define FLG_RE_SEGREL 0x00040000 /* segment relative */ 79#define FLG_RE_SECREL 0x00080000 /* section relative */ 80 81#define FLG_RE_TLSGD 0x00200000 /* TLS GD relocation */ 82#define FLG_RE_TLSLD 0x00400000 /* TLS LD relocation */ 83#define FLG_RE_TLSIE 0x00800000 /* TLS IE relocation */ 84#define FLG_RE_TLSLE 0x01000000 /* TLS LE relocation */ 85#define FLG_RE_LOCLBND 0x02000000 /* relocation must bind */ 86 /* locally */ 87 88/* 89 * Relocation table and macros for testing relocation table flags. 90 */ 91 92#define RELTAB_IS_PLT(X, _reltab) \ 93 ((_reltab[(X)].re_flags & FLG_RE_PLTREL) != 0) 94 95#define RELTAB_IS_GOT_RELATIVE(X, _reltab) \ 96 ((_reltab[(X)].re_flags & FLG_RE_GOTADD) != 0) 97 98#define RELTAB_IS_GOT_PC(X, _reltab) \ 99 ((_reltab[(X)].re_flags & FLG_RE_GOTPC) != 0) 100 101#define RELTAB_IS_GOTPCREL(X, _reltab) \ 102 ((_reltab[(X)].re_flags & (FLG_RE_GOTPC | FLG_RE_GOTADD)) == \ 103 (FLG_RE_GOTPC | FLG_RE_GOTADD)) 104 105#define RELTAB_IS_GOT_BASED(X, _reltab) \ 106 ((_reltab[(X)].re_flags & FLG_RE_GOTREL) != 0) 107 108#define RELTAB_IS_GOT_OPINS(X, _reltab) \ 109 ((_reltab[(X)].re_flags & FLG_RE_GOTOPINS) != 0) 110 111#define RELTAB_IS_GOT_REQUIRED(X, _reltab) \ 112 ((_reltab[(X)].re_flags & (FLG_RE_GOTADD | FLG_RE_GOTREL | \ 113 FLG_RE_GOTPC | FLG_RE_GOTOPINS)) != 0) 114 115#define RELTAB_IS_PC_RELATIVE(X, _reltab) \ 116 ((_reltab[(X)].re_flags & FLG_RE_PCREL) != 0) 117 118#define RELTAB_IS_ADD_RELATIVE(X, _reltab) \ 119 ((_reltab[(X)].re_flags & FLG_RE_ADDRELATIVE) != 0) 120 121#define RELTAB_IS_REGISTER(X, _reltab) \ 122 ((_reltab[(X)].re_flags & FLG_RE_REGISTER) != 0) 123 124#define RELTAB_IS_NOTSUP(X, _reltab) \ 125 ((_reltab[(X)].re_flags & FLG_RE_NOTSUP) != 0) 126 127#define RELTAB_IS_SEG_RELATIVE(X, _reltab) \ 128 ((_reltab[(X)].re_flags & FLG_RE_SEGREL) != 0) 129 130#define RELTAB_IS_EXTOFFSET(X, _reltab) \ 131 ((_reltab[(X)].re_flags & FLG_RE_EXTOFFSET) != 0) 132 133#define RELTAB_IS_SEC_RELATIVE(X, _reltab) \ 134 ((_reltab[(X)].re_flags & FLG_RE_SECREL) != 0) 135 136#define RELTAB_IS_TLS_INS(X, _reltab) \ 137 ((_reltab[(X)].re_flags & \ 138 (FLG_RE_TLSGD | FLG_RE_TLSLD | FLG_RE_TLSIE | FLG_RE_TLSLE)) != 0) 139 140#define RELTAB_IS_TLS_GD(X, _reltab) \ 141 ((_reltab[(X)].re_flags & FLG_RE_TLSGD) != 0) 142 143#define RELTAB_IS_TLS_LD(X, _reltab) \ 144 ((_reltab[(X)].re_flags & FLG_RE_TLSLD) != 0) 145 146#define RELTAB_IS_TLS_IE(X, _reltab) \ 147 ((_reltab[(X)].re_flags & FLG_RE_TLSIE) != 0) 148 149#define RELTAB_IS_TLS_LE(X, _reltab) \ 150 ((_reltab[(X)].re_flags & FLG_RE_TLSLE) != 0) 151 152#define RELTAB_IS_LOCALBND(X, _reltab) \ 153 ((_reltab[(X)].re_flags & FLG_RE_LOCLBND) != 0) 154 155#define RELTAB_IS_SIZE(X, _reltab) \ 156 ((_reltab[(X)].re_flags & FLG_RE_SIZE) != 0) 157 158#ifdef __cplusplus 159} 160#endif 161 162#endif /* _RELOC_DEFS_DOT_H */ 163