diff options
Diffstat (limited to 'usr/src/lib/libbc/inc/include/link.h')
| -rw-r--r-- | usr/src/lib/libbc/inc/include/link.h | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/usr/src/lib/libbc/inc/include/link.h b/usr/src/lib/libbc/inc/include/link.h deleted file mode 100644 index b8e7cf217a..0000000000 --- a/usr/src/lib/libbc/inc/include/link.h +++ /dev/null @@ -1,178 +0,0 @@ -/* - * 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 - */ -#pragma ident "%Z%%M% %I% %E% SMI" - -/* - * Copyright (c) 1987 by Sun Microsystems, Inc. - */ - -/* - * Link editor public definitions. - */ - -#ifndef _link_h -#define _link_h - -/* - * Structure describing logical name and requirements on an object - * which is to be loaded dynamically. - */ -struct old_link_object { - char *lo_name; /* name of object */ - int lo_library : 1, /* searched for by library rules */ - lo_unused : 31; - short lo_major; /* major version number */ - short lo_minor; /* minor version number */ -}; - -struct link_object { - long lo_name; /* name (often relative) */ - int lo_library : 1, /* searched for by library rules */ - lo_unused : 31; - short lo_major; /* major version number */ - short lo_minor; /* minor version number */ - long lo_next; /* next one (often relative) */ -}; - -/* - * Structure describing name and placement of dynamically loaded - * objects in a process' address space. - */ -struct link_map { - caddr_t lm_addr; /* address at which object mapped */ - char *lm_name; /* full name of loaded object */ - struct link_map *lm_next; /* next object in map */ - struct link_object *lm_lop; /* link object that got us here */ - caddr_t lm_lob; /* base address for said link object */ - int lm_rwt : 1; /* text is read/write */ - struct link_dynamic *lm_ld; /* dynamic structure */ - caddr_t lm_lpd; /* loader private data */ -}; - -/* - * Version 1 of dynamic linking information. With the exception of - * ld_loaded (determined at execution time) and ld_stab_hash (a special - * case of relocation handled at execution time), the values in this - * structure reflect offsets from the containing link_dynamic structure. - */ -struct link_dynamic_1 { - struct link_map *ld_loaded; /* list of loaded objects */ - long ld_need; /* list of needed objects */ - long ld_rules; /* search rules for library objects */ - long ld_got; /* global offset table */ - long ld_plt; /* procedure linkage table */ - long ld_rel; /* relocation table */ - long ld_hash; /* symbol hash table */ - long ld_stab; /* symbol table itself */ - long (*ld_stab_hash)(); /* "pointer" to symbol hash function */ - long ld_buckets; /* number of hash buckets */ - long ld_symbols; /* symbol strings */ - long ld_symb_size; /* size of symbol strings */ - long ld_text; /* size of text area */ -}; - -struct link_dynamic_2 { - struct link_map *ld_loaded; /* list of loaded objects */ - long ld_need; /* list of needed objects */ - long ld_rules; /* search rules for library objects */ - long ld_got; /* global offset table */ - long ld_plt; /* procedure linkage table */ - long ld_rel; /* relocation table */ - long ld_hash; /* symbol hash table */ - long ld_stab; /* symbol table itself */ - long (*ld_stab_hash)(); /* "pointer" to symbol hash function */ - long ld_buckets; /* number of hash buckets */ - long ld_symbols; /* symbol strings */ - long ld_symb_size; /* size of symbol strings */ - long ld_text; /* size of text area */ - long ld_plt_sz; /* size of procedure linkage table */ -}; - -/* - * Structure pointing to run time allocated common symbols and - * its string. - */ -struct rtc_symb { - struct nlist *rtc_sp; /* symbol for common */ - struct rtc_symb *rtc_next; /* next common */ -}; - -/* - * Debugger interface structure. - */ -struct ld_debug { - int ldd_version; /* version # of interface */ - int ldd_in_debugger; /* a debugger is running us */ - int ldd_sym_loaded; /* we loaded some symbols */ - char *ldd_bp_addr; /* place for ld-generated bpt */ - int ldd_bp_inst; /* instruction which was there */ - struct rtc_symb *ldd_cp; /* commons we built */ -}; - -/* - * Structure associated with each object which may be or which requires - * execution-time link editing. Used by the run-time linkage editor to - * identify needed objects and symbol definitions and references. - */ -struct old_link_dynamic { - int ld_version; /* version # of this structure */ - union { - struct link_dynamic_1 ld_1; - } ld_un; - - int in_debugging; - int sym_loaded; - char *bp_addr; - int bp_inst; - struct rtc_symb *cp; /* pointer to an array of runtime */ - /* allocated common symbols. */ -}; - -struct link_dynamic { - int ld_version; /* version # of this structure */ - struct ld_debug *ldd; - union { - struct link_dynamic_1 *ld_1; - struct link_dynamic_2 *ld_2; - } ld_un; -}; - -#define v2 ld_un.ld_2 -#define v1 ld_un.ld_1 - -/* - * get size of relocations - */ -#define GETGOTSZ(x) (x->ld_version < 2 ? ((struct old_link_dynamic *) x)->v1.ld_plt - ((struct old_link_dynamic *) x)->v1.ld_got : (x)->v2->ld_plt - (x)->v2->ld_got) - -#define GETPLTSZ(x) (x->ld_version < 2 ? ((struct old_link_dynamic *) x)->v1.ld_rel - ((struct old_link_dynamic *) x)->v1.ld_plt : (x)->v2->ld_rel - (x)->v2->ld_plt) - -#define GETRELSZ(x) (x->ld_version < 2 ? ((struct old_link_dynamic *) x)->v1.ld_hash - ((struct old_link_dynamic *) x)->v1.ld_rel : (x)->v2->ld_hash - (x)->v2->ld_rel) - -#define GETHASHSZ(x) (x->ld_version < 2 ? ((struct old_link_dynamic *) x)->v1.ld_stab - ((struct old_link_dynamic *) x)->v1.ld_hash : (x)->v2->ld_stab - (x)->v2->ld_hash) - -#define GETSTABSZ(x) (x->ld_version < 2 ? ((struct old_link_dynamic *) x)->v1.ld_symbols - ((struct old_link_dynamic *) x)->v1.ld_stab : (x)->v2->ld_symbols - (x)->v2->ld_stab) - -#undef v2 -#undef v1 - -#endif /*!_link_h*/ |