link.h revision 4679:3d9b5e6569cc
190075Sobrien/* 218334Speter * CDDL HEADER START 3132718Skan * 490075Sobrien * The contents of this file are subject to the terms of the 5132718Skan * Common Development and Distribution License (the "License"). 690075Sobrien * You may not use this file except in compliance with the License. 790075Sobrien * 890075Sobrien * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 990075Sobrien * or http://www.opensolaris.org/os/licensing. 10132718Skan * See the License for the specific language governing permissions 1190075Sobrien * and limitations under the License. 1290075Sobrien * 1390075Sobrien * When distributing Covered Code, include this CDDL HEADER in each 1490075Sobrien * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 1590075Sobrien * If applicable, add the following below this CDDL HEADER, with the 16132718Skan * fields enclosed by brackets "[]" replaced with your own identifying 17169689Skan * information: Portions Copyright [yyyy] [name of copyright owner] 18169689Skan * 1990075Sobrien * CDDL HEADER END 2090075Sobrien */ 2190075Sobrien/* 2290075Sobrien * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 2390075Sobrien * Use is subject to license terms. 2490075Sobrien */ 2590075Sobrien 2690075Sobrien#ifndef _LINK_H 2790075Sobrien#define _LINK_H 2890075Sobrien 2990075Sobrien#pragma ident "%Z%%M% %I% %E% SMI" 3090075Sobrien 3190075Sobrien#include <sys/link.h> 3290075Sobrien 3390075Sobrien#ifndef _ASM 3418334Speter#include <libelf.h> 3518334Speter#include <sys/types.h> 3618334Speter#include <dlfcn.h> 3718334Speter#endif 3818334Speter 3918334Speter#ifdef __cplusplus 4018334Speterextern "C" { 4118334Speter#endif 4218334Speter 4318334Speter#ifndef _ASM 4418334Speter/* 4518334Speter * ld support library calls 4618334Speter */ 4790075Sobrien#ifdef __STDC__ 4890075Sobrienextern uint_t ld_version(uint_t); 49extern void ld_input_done(uint_t *); 50 51extern void ld_start(const char *, const Elf32_Half, const char *); 52extern void ld_atexit(int); 53extern void ld_open(const char **, const char **, int *, int, Elf **, 54 Elf *, size_t, const Elf_Kind); 55extern void ld_file(const char *, const Elf_Kind, int, Elf *); 56extern void ld_input_section(const char *, Elf32_Shdr **, Elf32_Word, 57 Elf_Data *, Elf *, uint_t *); 58extern void ld_section(const char *, Elf32_Shdr *, Elf32_Word, 59 Elf_Data *, Elf *); 60 61#if defined(_LP64) || defined(_LONGLONG_TYPE) 62extern void ld_start64(const char *, const Elf64_Half, const char *); 63extern void ld_atexit64(int); 64extern void ld_open64(const char **, const char **, int *, int, Elf **, 65 Elf *, size_t, const Elf_Kind); 66extern void ld_file64(const char *, const Elf_Kind, int, Elf *); 67extern void ld_input_section64(const char *, Elf64_Shdr **, Elf64_Word, 68 Elf_Data *, Elf *, uint_t *); 69extern void ld_section64(const char *, Elf64_Shdr *, Elf64_Word, 70 Elf_Data *, Elf *); 71 72#endif /* (defined(_LP64) || defined(_LONGLONG_TYPE) */ 73#else 74extern void ld_version(); 75extern void ld_input_done(); 76 77extern void ld_start(); 78extern void ld_atexit(); 79extern void ld_open(); 80extern void ld_file(); 81extern void ld_input_section(); 82extern void ld_section(); 83 84#if defined(_LP64) || defined(_LONGLONG_TYPE) 85extern void ld_start64(); 86extern void ld_atexit64(); 87extern void ld_open64(); 88extern void ld_file64(); 89extern void ld_input_section64(); 90extern void ld_section64(); 91 92#endif /* (defined(_LP64) || defined(_LONGLONG_TYPE) */ 93#endif /* __STDC__ */ 94 95/* 96 * ld_version() version values. 97 */ 98#define LD_SUP_VNONE 0 99#define LD_SUP_VERSION1 1 100#define LD_SUP_VERSION2 2 101#define LD_SUP_VERSION3 3 102#define LD_SUP_VCURRENT LD_SUP_VERSION3 103 104/* 105 * Flags passed to ld support calls. 106 */ 107#define LD_SUP_DERIVED 0x1 /* derived filename */ 108#define LD_SUP_INHERITED 0x2 /* file inherited from .so DT_NEEDED */ 109#define LD_SUP_EXTRACTED 0x4 /* file extracted from archive */ 110#endif 111 112/* 113 * Runtime link-map identifiers. 114 */ 115#define LM_ID_BASE 0x00 116#define LM_ID_LDSO 0x01 117#define LM_ID_BRAND 0x02 /* marks branded objs in rd_loadobj_t */ 118 119#define LM_ID_NUM 3 120 121 122#define LM_ID_NEWLM 0xff /* create a new link-map */ 123 124/* 125 * Runtime Link-Edit Auditing. 126 */ 127#define LAV_NONE 0 128#define LAV_VERSION1 1 129#define LAV_VERSION2 2 130#define LAV_VERSION3 3 131#define LAV_VERSION4 4 132#define LAV_CURRENT LAV_VERSION4 133#define LAV_NUM 5 134 135/* 136 * Flags that can be or'd into the la_objopen() return code 137 */ 138#define LA_FLG_BINDTO 0x0001 /* audit symbinds TO this object */ 139#define LA_FLG_BINDFROM 0x0002 /* audit symbinding FROM this object */ 140 141/* 142 * Flags that can be or'd into the 'flags' argument of la_symbind() 143 */ 144#define LA_SYMB_NOPLTENTER 0x0001 /* disable pltenter for this symbol */ 145#define LA_SYMB_NOPLTEXIT 0x0002 /* disable pltexit for this symbol */ 146#define LA_SYMB_STRUCTCALL 0x0004 /* this function call passes a */ 147 /* structure as it's return code */ 148#define LA_SYMB_DLSYM 0x0008 /* this symbol bindings is due to */ 149 /* a call to dlsym() */ 150#define LA_SYMB_ALTVALUE 0x0010 /* alternate symbol binding returned */ 151 /* by la_symbind() */ 152 153/* 154 * Flags that describe the object passed to la_objsearch() 155 */ 156#define LA_SER_ORIG 0x001 /* original (needed) name */ 157#define LA_SER_LIBPATH 0x002 /* LD_LIBRARY_PATH entry prepended */ 158#define LA_SER_RUNPATH 0x004 /* runpath entry prepended */ 159#define LA_SER_CONFIG 0x008 /* configuration entry prepended */ 160#define LA_SER_DEFAULT 0x040 /* default path prepended */ 161#define LA_SER_SECURE 0x080 /* default (secure) path prepended */ 162 163#define LA_SER_MASK 0xfff /* mask of known flags */ 164 165/* 166 * Flags that describe the la_activity() 167 */ 168#define LA_ACT_CONSISTENT 0x00 /* add/deletion of objects complete */ 169#define LA_ACT_ADD 0x01 /* objects being added */ 170#define LA_ACT_DELETE 0x02 /* objects being deleted */ 171 172 173#ifndef _KERNEL 174#ifndef _ASM 175 176#if defined(_LP64) 177typedef long lagreg_t; 178#else 179typedef int lagreg_t; 180#endif 181 182struct _la_sparc_regs { 183 lagreg_t lr_rego0; 184 lagreg_t lr_rego1; 185 lagreg_t lr_rego2; 186 lagreg_t lr_rego3; 187 lagreg_t lr_rego4; 188 lagreg_t lr_rego5; 189 lagreg_t lr_rego6; 190 lagreg_t lr_rego7; 191}; 192 193#if defined(_LP64) 194typedef struct _la_sparc_regs La_sparcv9_regs; 195typedef struct { 196 lagreg_t lr_rsp; 197 lagreg_t lr_rbp; 198 lagreg_t lr_rdi; /* arg1 */ 199 lagreg_t lr_rsi; /* arg2 */ 200 lagreg_t lr_rdx; /* arg3 */ 201 lagreg_t lr_rcx; /* arg4 */ 202 lagreg_t lr_r8; /* arg5 */ 203 lagreg_t lr_r9; /* arg6 */ 204} La_amd64_regs; 205#else 206typedef struct _la_sparc_regs La_sparcv8_regs; 207typedef struct { 208 lagreg_t lr_esp; 209 lagreg_t lr_ebp; 210} La_i86_regs; 211#endif 212 213#if !defined(_SYS_INT_TYPES_H) 214#if defined(_LP64) || defined(_I32LPx) 215typedef unsigned long uintptr_t; 216#else 217typedef unsigned int uintptr_t; 218#endif 219#endif 220 221 222#ifdef __STDC__ 223extern uint_t la_version(uint_t); 224extern void la_activity(uintptr_t *, uint_t); 225extern void la_preinit(uintptr_t *); 226extern char *la_objsearch(const char *, uintptr_t *, uint_t); 227extern uint_t la_objopen(Link_map *, Lmid_t, uintptr_t *); 228extern uint_t la_objclose(uintptr_t *); 229extern int la_objfilter(uintptr_t *, const char *, uintptr_t *, 230 uint_t); 231#if defined(_LP64) 232extern uintptr_t la_amd64_pltenter(Elf64_Sym *, uint_t, uintptr_t *, 233 uintptr_t *, La_amd64_regs *, uint_t *, 234 const char *); 235extern uintptr_t la_symbind64(Elf64_Sym *, uint_t, uintptr_t *, 236 uintptr_t *, uint_t *, const char *); 237extern uintptr_t la_sparcv9_pltenter(Elf64_Sym *, uint_t, uintptr_t *, 238 uintptr_t *, La_sparcv9_regs *, uint_t *, 239 const char *); 240extern uintptr_t la_pltexit64(Elf64_Sym *, uint_t, uintptr_t *, 241 uintptr_t *, uintptr_t, const char *); 242#else /* !defined(_LP64) */ 243extern uintptr_t la_symbind32(Elf32_Sym *, uint_t, uintptr_t *, 244 uintptr_t *, uint_t *); 245extern uintptr_t la_sparcv8_pltenter(Elf32_Sym *, uint_t, uintptr_t *, 246 uintptr_t *, La_sparcv8_regs *, uint_t *); 247extern uintptr_t la_i86_pltenter(Elf32_Sym *, uint_t, uintptr_t *, 248 uintptr_t *, La_i86_regs *, uint_t *); 249extern uintptr_t la_pltexit(Elf32_Sym *, uint_t, uintptr_t *, 250 uintptr_t *, uintptr_t); 251#endif /* _LP64 */ 252#else /* __STDC__ */ 253extern uint_t la_version(); 254extern void la_preinit(); 255extern uint_t la_objopen(); 256extern uint_t la_objclose(); 257extern int la_objfilter(); 258#if defined(_LP64) 259extern uintptr_t la_sparcv9_pltenter(); 260extern uintptr_t la_pltexit64(); 261extern uintptr_t la_symbind64(); 262#else /* _ILP32 */ 263extern uintptr_t la_sparcv8_pltenter(); 264extern uintptr_t la_i86_pltenter(); 265extern uintptr_t la_pltexit(); 266extern uintptr_t la_symbind32(); 267#endif /* _LP64 */ 268#endif /* __STDC__ */ 269 270 271#endif /* _ASM */ 272#endif /* _KERNEL */ 273 274#ifdef __cplusplus 275} 276#endif 277 278#endif /* _LINK_H */ 279