10Sstevel@tonic-gate /* 20Sstevel@tonic-gate * CDDL HEADER START 30Sstevel@tonic-gate * 40Sstevel@tonic-gate * The contents of this file are subject to the terms of the 51618Srie * Common Development and Distribution License (the "License"). 61618Srie * You may not use this file except in compliance with the License. 70Sstevel@tonic-gate * 80Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 90Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 100Sstevel@tonic-gate * See the License for the specific language governing permissions 110Sstevel@tonic-gate * and limitations under the License. 120Sstevel@tonic-gate * 130Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 140Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 150Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 160Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 170Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 180Sstevel@tonic-gate * 190Sstevel@tonic-gate * CDDL HEADER END 200Sstevel@tonic-gate */ 211618Srie 220Sstevel@tonic-gate /* 231618Srie * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 241618Srie * Use is subject to license terms. 250Sstevel@tonic-gate */ 260Sstevel@tonic-gate 270Sstevel@tonic-gate #ifndef __LIBRTLD_H 280Sstevel@tonic-gate #define __LIBRTLD_H 290Sstevel@tonic-gate 300Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 310Sstevel@tonic-gate 320Sstevel@tonic-gate #include <libelf.h> 330Sstevel@tonic-gate #include <rtld.h> 340Sstevel@tonic-gate #include <machdep.h> 350Sstevel@tonic-gate 360Sstevel@tonic-gate #ifdef __cplusplus 370Sstevel@tonic-gate extern "C" { 380Sstevel@tonic-gate #endif 390Sstevel@tonic-gate 400Sstevel@tonic-gate 410Sstevel@tonic-gate /* 420Sstevel@tonic-gate * Define a cache structure that is used to retain all elf section information. 430Sstevel@tonic-gate */ 440Sstevel@tonic-gate typedef struct cache { 450Sstevel@tonic-gate int c_flags; 460Sstevel@tonic-gate Elf_Scn *c_scn; 470Sstevel@tonic-gate Shdr *c_shdr; 480Sstevel@tonic-gate Elf_Data *c_data; 490Sstevel@tonic-gate char *c_name; 500Sstevel@tonic-gate void *c_info; 510Sstevel@tonic-gate } Cache; 520Sstevel@tonic-gate 530Sstevel@tonic-gate #define FLG_C_EXCLUDE 1 /* exclude section from output image */ 540Sstevel@tonic-gate #define FLG_C_HEAP 2 /* heap section (addition) */ 550Sstevel@tonic-gate #define FLG_C_RELOC 3 /* relocation section requiring */ 560Sstevel@tonic-gate /* modification */ 570Sstevel@tonic-gate #define FLG_C_SHSTR 4 /* section header string table */ 580Sstevel@tonic-gate #define FLG_C_END 5 /* null terminating section marker */ 590Sstevel@tonic-gate 600Sstevel@tonic-gate 610Sstevel@tonic-gate /* 620Sstevel@tonic-gate * Define a structure for maintaining relocation information. During the first 630Sstevel@tonic-gate * pass through an input files relocation records, counts are maintained of the 640Sstevel@tonic-gate * number of relocations to recreate in the output image. The intent is to 650Sstevel@tonic-gate * localize any remaining relocation records. The relocation structure 660Sstevel@tonic-gate * indicates the actions that must be performed on the output images relocation 670Sstevel@tonic-gate * information. 680Sstevel@tonic-gate */ 690Sstevel@tonic-gate typedef struct reloc { 700Sstevel@tonic-gate int r_flags; 710Sstevel@tonic-gate Xword r_pltndx; /* pltndx if a JMP relocation */ 720Sstevel@tonic-gate Addr r_value; /* value to apply to relocation */ 730Sstevel@tonic-gate unsigned long r_size; /* size (used for copy relocations) */ 740Sstevel@tonic-gate const char *r_name; /* relocation symbol */ 750Sstevel@tonic-gate } Reloc; 760Sstevel@tonic-gate 770Sstevel@tonic-gate #define FLG_R_UNDO 0x01 /* undo any relocation offset value */ 780Sstevel@tonic-gate #define FLG_R_CLR 0x02 /* clear the relocation record */ 790Sstevel@tonic-gate #define FLG_R_INC 0x04 /* increment the relocation offset */ 800Sstevel@tonic-gate /* (uses new fixed addr) */ 810Sstevel@tonic-gate #define FLG_R_APPLY 0x08 /* apply the relocation */ 820Sstevel@tonic-gate 830Sstevel@tonic-gate 840Sstevel@tonic-gate /* 850Sstevel@tonic-gate * Define any local prototypes. 860Sstevel@tonic-gate */ 871618Srie extern void apply_reloc(void *, Reloc *, const char *, uchar_t *, Rt_map *); 880Sstevel@tonic-gate extern void clear_reloc(void *); 890Sstevel@tonic-gate extern int count_reloc(Cache *, Cache *, Rt_map *, int, Addr, Xword *, 90*2850Srie Xword *, Xword *, Alist *); 911618Srie extern void inc_reloc(void *, void *, Reloc *, uchar_t *, uchar_t *); 92*2850Srie extern int syminfo(Cache *, Alist **); 931618Srie extern void undo_reloc(void *, uchar_t *, uchar_t *, Reloc *); 940Sstevel@tonic-gate extern int update_dynamic(Cache *, Cache *, Rt_map *, int, Addr, Off, 950Sstevel@tonic-gate const char *, Xword, Xword, Xword, Xword, Xword); 960Sstevel@tonic-gate extern void update_reloc(Cache *, Cache *, Cache *, const char *, 970Sstevel@tonic-gate Rt_map *, Rel **, Rel **, Rel **); 980Sstevel@tonic-gate extern void update_sym(Cache *, Cache *, Addr, Half, Addr); 990Sstevel@tonic-gate 1000Sstevel@tonic-gate #ifdef __cplusplus 1010Sstevel@tonic-gate } 1020Sstevel@tonic-gate #endif 1030Sstevel@tonic-gate 1040Sstevel@tonic-gate #endif /* __LIBRTLD_H */ 105