1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 1999-2003 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _LIBC_INT_H 28*0Sstevel@tonic-gate #define _LIBC_INT_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate /* 37*0Sstevel@tonic-gate * Libc/rtld Runtime Interface 38*0Sstevel@tonic-gate */ 39*0Sstevel@tonic-gate #define CI_NULL 0 /* (void) last entry */ 40*0Sstevel@tonic-gate #define CI_VERSION 1 /* current version of ri_interface */ 41*0Sstevel@tonic-gate #define CI_ATEXIT 2 /* _preexec_exit_handlers() address */ 42*0Sstevel@tonic-gate #define CI_LCMESSAGES 3 /* message locale */ 43*0Sstevel@tonic-gate #define CI_BIND_GUARD 4 /* bind_guard() address */ 44*0Sstevel@tonic-gate #define CI_BIND_CLEAR 5 /* bind_clear() address */ 45*0Sstevel@tonic-gate #define CI_THR_SELF 6 /* thr_self() address */ 46*0Sstevel@tonic-gate #define CI_TLS_MODADD 7 /* __tls_mod_add() address */ 47*0Sstevel@tonic-gate #define CI_TLS_MODREM 8 /* __tls_mod_remove() address */ 48*0Sstevel@tonic-gate #define CI_TLS_STATMOD 9 /* __tls_static_mods() address */ 49*0Sstevel@tonic-gate #define CI_THRINIT 10 /* libc thread initialization */ 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate #define CI_MAX 11 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate #define CI_V_NONE 0 /* ci_version versions */ 54*0Sstevel@tonic-gate #define CI_V_ONE 1 /* original version */ 55*0Sstevel@tonic-gate #define CI_V_TWO 2 56*0Sstevel@tonic-gate #define CI_V_THREE 3 57*0Sstevel@tonic-gate #define CI_V_FOUR 4 58*0Sstevel@tonic-gate #define CI_V_CURRENT CI_V_FOUR /* current version of libc interface */ 59*0Sstevel@tonic-gate #define CI_V_NUM 5 /* number of CI_V_* numbers */ 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate /* 62*0Sstevel@tonic-gate * Libc to ld.so.1 interface communication structure. 63*0Sstevel@tonic-gate */ 64*0Sstevel@tonic-gate typedef struct { 65*0Sstevel@tonic-gate int ci_tag; 66*0Sstevel@tonic-gate union { 67*0Sstevel@tonic-gate int (*ci_func)(); 68*0Sstevel@tonic-gate long ci_val; 69*0Sstevel@tonic-gate char *ci_ptr; 70*0Sstevel@tonic-gate } ci_un; 71*0Sstevel@tonic-gate } Lc_interface; 72*0Sstevel@tonic-gate 73*0Sstevel@tonic-gate /* 74*0Sstevel@tonic-gate * Address range returned via CI_ATEXIT. Note, the address range array passed 75*0Sstevel@tonic-gate * back from ld.so.1 is maintained by ld.so.1 and should not be freed by libc. 76*0Sstevel@tonic-gate */ 77*0Sstevel@tonic-gate typedef struct { 78*0Sstevel@tonic-gate void * lb; /* lower bound */ 79*0Sstevel@tonic-gate void * ub; /* upper bound */ 80*0Sstevel@tonic-gate } Lc_addr_range_t; 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate /* 83*0Sstevel@tonic-gate * Thread-Local storage data type and interfaces shared between 84*0Sstevel@tonic-gate * libc & ld.so.1. 85*0Sstevel@tonic-gate */ 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate typedef struct { 88*0Sstevel@tonic-gate unsigned long ti_moduleid; /* module ID for TLS var */ 89*0Sstevel@tonic-gate unsigned long ti_tlsoffset; /* offset into tls block for TLS var */ 90*0Sstevel@tonic-gate } TLS_index; 91*0Sstevel@tonic-gate 92*0Sstevel@tonic-gate 93*0Sstevel@tonic-gate typedef struct { 94*0Sstevel@tonic-gate const char *tm_modname; /* name of object */ 95*0Sstevel@tonic-gate /* containing TLS */ 96*0Sstevel@tonic-gate unsigned long tm_modid; /* TLS module id */ 97*0Sstevel@tonic-gate void * tm_tlsblock; /* pointer to r/o init image */ 98*0Sstevel@tonic-gate unsigned long tm_filesz; /* initialized file size */ 99*0Sstevel@tonic-gate unsigned long tm_memsz; /* memory size */ 100*0Sstevel@tonic-gate long tm_stattlsoffset; /* signed offset into static */ 101*0Sstevel@tonic-gate /* TLS block */ 102*0Sstevel@tonic-gate unsigned long tm_flags; 103*0Sstevel@tonic-gate void * tm_tlsinitarray; /* TLS .init function array */ 104*0Sstevel@tonic-gate unsigned long tm_tlsinitarraycnt; /* # of entries in initarray */ 105*0Sstevel@tonic-gate void * tm_tlsfiniarray; /* TLS .fini function array */ 106*0Sstevel@tonic-gate unsigned long tm_tlsfiniarraycnt; /* # of entries in finiarray */ 107*0Sstevel@tonic-gate unsigned long tm_pad[5]; /* future expansion */ 108*0Sstevel@tonic-gate } TLS_modinfo; 109*0Sstevel@tonic-gate 110*0Sstevel@tonic-gate #ifdef _SYSCALL32 111*0Sstevel@tonic-gate typedef struct { 112*0Sstevel@tonic-gate caddr32_t tm_modname; /* name of object */ 113*0Sstevel@tonic-gate /* containing TLS */ 114*0Sstevel@tonic-gate uint32_t tm_modid; /* TLS module id */ 115*0Sstevel@tonic-gate caddr32_t tm_tlsblock; /* pointer to r/o init image */ 116*0Sstevel@tonic-gate uint32_t tm_filesz; /* initialized file size */ 117*0Sstevel@tonic-gate uint32_t tm_memsz; /* memory size */ 118*0Sstevel@tonic-gate int32_t tm_stattlsoffset; /* signed offset into static */ 119*0Sstevel@tonic-gate /* TLS block */ 120*0Sstevel@tonic-gate uint32_t tm_flags; 121*0Sstevel@tonic-gate caddr32_t tm_tlsinitarray; /* TLS .init function array */ 122*0Sstevel@tonic-gate uint32_t tm_tlsinitarraycnt; /* # of entries in initarray */ 123*0Sstevel@tonic-gate caddr32_t tm_tlsfiniarray; /* TLS .fini function array */ 124*0Sstevel@tonic-gate uint32_t tm_tlsfiniarraycnt; /* # of entries in finiarray */ 125*0Sstevel@tonic-gate uint32_t tm_pad[5]; /* future expansion */ 126*0Sstevel@tonic-gate } TLS_modinfo32; 127*0Sstevel@tonic-gate #endif 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate 130*0Sstevel@tonic-gate /* 131*0Sstevel@tonic-gate * Flag values for TLS_modifo.tm_flags 132*0Sstevel@tonic-gate */ 133*0Sstevel@tonic-gate #define TM_FLG_STATICTLS 0x0001 /* Static TLS module */ 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate #ifdef __cplusplus 137*0Sstevel@tonic-gate } 138*0Sstevel@tonic-gate #endif 139*0Sstevel@tonic-gate 140*0Sstevel@tonic-gate #endif /* _LIBC_INT_H */ 141