diff options
Diffstat (limited to 'usr/src/lib/libc/inc/libc_int.h')
| -rw-r--r-- | usr/src/lib/libc/inc/libc_int.h | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/usr/src/lib/libc/inc/libc_int.h b/usr/src/lib/libc/inc/libc_int.h new file mode 100644 index 0000000000..c427a56152 --- /dev/null +++ b/usr/src/lib/libc/inc/libc_int.h @@ -0,0 +1,140 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License, Version 1.0 only + * (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 1999-2003 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#ifndef _LIBC_INT_H +#define _LIBC_INT_H + +#pragma ident "%Z%%M% %I% %E% SMI" + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Libc/rtld Runtime Interface + */ +#define CI_NULL 0 /* (void) last entry */ +#define CI_VERSION 1 /* current version of ri_interface */ +#define CI_ATEXIT 2 /* _preexec_exit_handlers() address */ +#define CI_LCMESSAGES 3 /* message locale */ +#define CI_BIND_GUARD 4 /* bind_guard() address */ +#define CI_BIND_CLEAR 5 /* bind_clear() address */ +#define CI_THR_SELF 6 /* thr_self() address */ +#define CI_TLS_MODADD 7 /* __tls_mod_add() address */ +#define CI_TLS_MODREM 8 /* __tls_mod_remove() address */ +#define CI_TLS_STATMOD 9 /* __tls_static_mods() address */ +#define CI_THRINIT 10 /* libc thread initialization */ + +#define CI_MAX 11 + +#define CI_V_NONE 0 /* ci_version versions */ +#define CI_V_ONE 1 /* original version */ +#define CI_V_TWO 2 +#define CI_V_THREE 3 +#define CI_V_FOUR 4 +#define CI_V_CURRENT CI_V_FOUR /* current version of libc interface */ +#define CI_V_NUM 5 /* number of CI_V_* numbers */ + +/* + * Libc to ld.so.1 interface communication structure. + */ +typedef struct { + int ci_tag; + union { + int (*ci_func)(); + long ci_val; + char *ci_ptr; + } ci_un; +} Lc_interface; + +/* + * Address range returned via CI_ATEXIT. Note, the address range array passed + * back from ld.so.1 is maintained by ld.so.1 and should not be freed by libc. + */ +typedef struct { + void * lb; /* lower bound */ + void * ub; /* upper bound */ +} Lc_addr_range_t; + +/* + * Thread-Local storage data type and interfaces shared between + * libc & ld.so.1. + */ + +typedef struct { + unsigned long ti_moduleid; /* module ID for TLS var */ + unsigned long ti_tlsoffset; /* offset into tls block for TLS var */ +} TLS_index; + + +typedef struct { + const char *tm_modname; /* name of object */ + /* containing TLS */ + unsigned long tm_modid; /* TLS module id */ + void * tm_tlsblock; /* pointer to r/o init image */ + unsigned long tm_filesz; /* initialized file size */ + unsigned long tm_memsz; /* memory size */ + long tm_stattlsoffset; /* signed offset into static */ + /* TLS block */ + unsigned long tm_flags; + void * tm_tlsinitarray; /* TLS .init function array */ + unsigned long tm_tlsinitarraycnt; /* # of entries in initarray */ + void * tm_tlsfiniarray; /* TLS .fini function array */ + unsigned long tm_tlsfiniarraycnt; /* # of entries in finiarray */ + unsigned long tm_pad[5]; /* future expansion */ +} TLS_modinfo; + +#ifdef _SYSCALL32 +typedef struct { + caddr32_t tm_modname; /* name of object */ + /* containing TLS */ + uint32_t tm_modid; /* TLS module id */ + caddr32_t tm_tlsblock; /* pointer to r/o init image */ + uint32_t tm_filesz; /* initialized file size */ + uint32_t tm_memsz; /* memory size */ + int32_t tm_stattlsoffset; /* signed offset into static */ + /* TLS block */ + uint32_t tm_flags; + caddr32_t tm_tlsinitarray; /* TLS .init function array */ + uint32_t tm_tlsinitarraycnt; /* # of entries in initarray */ + caddr32_t tm_tlsfiniarray; /* TLS .fini function array */ + uint32_t tm_tlsfiniarraycnt; /* # of entries in finiarray */ + uint32_t tm_pad[5]; /* future expansion */ +} TLS_modinfo32; +#endif + + +/* + * Flag values for TLS_modifo.tm_flags + */ +#define TM_FLG_STATICTLS 0x0001 /* Static TLS module */ + + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBC_INT_H */ |