17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5ea8dc4b6Seschrock * Common Development and Distribution License (the "License"). 6ea8dc4b6Seschrock * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22b1b8ab34Slling * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 24f06dce2cSAndrew Stormont * 25f06dce2cSAndrew Stormont * Copyright 2017 RackTop Systems. 267c478bd9Sstevel@tonic-gate */ 27*425251fdSSam Gwydir /* 28*425251fdSSam Gwydir * Copyright (c) 2017 Joyent, Inc. 29*425251fdSSam Gwydir */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #ifndef _SYS_KOBJ_H 327c478bd9Sstevel@tonic-gate #define _SYS_KOBJ_H 337c478bd9Sstevel@tonic-gate 347c478bd9Sstevel@tonic-gate #include <sys/modctl.h> 357c478bd9Sstevel@tonic-gate #include <sys/elf.h> 367c478bd9Sstevel@tonic-gate #include <sys/machelf.h> 377c478bd9Sstevel@tonic-gate #include <sys/vmem.h> 387c478bd9Sstevel@tonic-gate #include <sys/sdt.h> 39ea8dc4b6Seschrock #include <sys/bootstat.h> 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate #ifdef __cplusplus 427c478bd9Sstevel@tonic-gate extern "C" { 437c478bd9Sstevel@tonic-gate #endif 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate /* 467c478bd9Sstevel@tonic-gate * List of modules maintained by kobj.c 477c478bd9Sstevel@tonic-gate */ 487c478bd9Sstevel@tonic-gate struct module_list { 497c478bd9Sstevel@tonic-gate struct module_list *next; 507c478bd9Sstevel@tonic-gate struct module *mp; 517c478bd9Sstevel@tonic-gate }; 527c478bd9Sstevel@tonic-gate 53*425251fdSSam Gwydir typedef struct hotinline_desc { 54*425251fdSSam Gwydir char *hid_symname; /* symbol name */ 55*425251fdSSam Gwydir uintptr_t hid_instr_offset; /* offset of call in text */ 56*425251fdSSam Gwydir struct hotinline_desc *hid_next; /* next hotinline */ 57*425251fdSSam Gwydir } hotinline_desc_t; 58*425251fdSSam Gwydir 597c478bd9Sstevel@tonic-gate typedef unsigned short symid_t; /* symbol table index */ 607c478bd9Sstevel@tonic-gate typedef unsigned char *reloc_dest_t; 617c478bd9Sstevel@tonic-gate 627c478bd9Sstevel@tonic-gate typedef void module_mach; 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate struct module { 657c478bd9Sstevel@tonic-gate int total_allocated; 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate Ehdr hdr; 687c478bd9Sstevel@tonic-gate char *shdrs; 697c478bd9Sstevel@tonic-gate Shdr *symhdr, *strhdr; 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate char *depends_on; 727c478bd9Sstevel@tonic-gate 737c478bd9Sstevel@tonic-gate size_t symsize; 747c478bd9Sstevel@tonic-gate char *symspace; /* symbols + strings + hashtbl, or NULL */ 757c478bd9Sstevel@tonic-gate int flags; 767c478bd9Sstevel@tonic-gate 777c478bd9Sstevel@tonic-gate size_t text_size; 787c478bd9Sstevel@tonic-gate size_t data_size; 797c478bd9Sstevel@tonic-gate char *text; 807c478bd9Sstevel@tonic-gate char *data; 817c478bd9Sstevel@tonic-gate 827c478bd9Sstevel@tonic-gate unsigned int symtbl_section; 837c478bd9Sstevel@tonic-gate /* pointers into symspace, or NULL */ 847c478bd9Sstevel@tonic-gate char *symtbl; 857c478bd9Sstevel@tonic-gate char *strings; 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate unsigned int hashsize; 887c478bd9Sstevel@tonic-gate symid_t *buckets; 897c478bd9Sstevel@tonic-gate symid_t *chains; 907c478bd9Sstevel@tonic-gate 917c478bd9Sstevel@tonic-gate unsigned int nsyms; 927c478bd9Sstevel@tonic-gate 937c478bd9Sstevel@tonic-gate unsigned int bss_align; 947c478bd9Sstevel@tonic-gate size_t bss_size; 957c478bd9Sstevel@tonic-gate uintptr_t bss; 967c478bd9Sstevel@tonic-gate 977c478bd9Sstevel@tonic-gate char *filename; 987c478bd9Sstevel@tonic-gate 997c478bd9Sstevel@tonic-gate struct module_list *head, *tail; 1007c478bd9Sstevel@tonic-gate reloc_dest_t destination; 1017c478bd9Sstevel@tonic-gate module_mach * machdata; 1027c478bd9Sstevel@tonic-gate char *ctfdata; 1037c478bd9Sstevel@tonic-gate size_t ctfsize; 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate char *fbt_tab; 1067c478bd9Sstevel@tonic-gate size_t fbt_size; 1077c478bd9Sstevel@tonic-gate size_t fbt_nentries; 1087c478bd9Sstevel@tonic-gate caddr_t textwin; 1097c478bd9Sstevel@tonic-gate caddr_t textwin_base; 1107c478bd9Sstevel@tonic-gate 111*425251fdSSam Gwydir hotinline_desc_t *hi_calls; 112*425251fdSSam Gwydir 1137c478bd9Sstevel@tonic-gate sdt_probedesc_t *sdt_probes; 1147c478bd9Sstevel@tonic-gate size_t sdt_nprobes; 1157c478bd9Sstevel@tonic-gate char *sdt_tab; 1167c478bd9Sstevel@tonic-gate size_t sdt_size; 1177c478bd9Sstevel@tonic-gate 1187c478bd9Sstevel@tonic-gate char *sigdata; 1197c478bd9Sstevel@tonic-gate size_t sigsize; 1207c478bd9Sstevel@tonic-gate }; 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate struct kobj_mem { 1237c478bd9Sstevel@tonic-gate struct kobj_mem *km_next; 1247c478bd9Sstevel@tonic-gate struct kobj_mem *km_prev; 1257c478bd9Sstevel@tonic-gate uintptr_t km_addr; 1267c478bd9Sstevel@tonic-gate size_t km_size; 1277c478bd9Sstevel@tonic-gate uintptr_t km_alloc_addr; 1287c478bd9Sstevel@tonic-gate size_t km_alloc_size; 1297c478bd9Sstevel@tonic-gate }; 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate struct _buf { 1327c478bd9Sstevel@tonic-gate intptr_t _fd; 1337c478bd9Sstevel@tonic-gate char *_ptr; 1347c478bd9Sstevel@tonic-gate char *_base; 1357c478bd9Sstevel@tonic-gate char *_name; 136986fd29aSsetje char *_dbuf; 1377c478bd9Sstevel@tonic-gate int _size; 1387c478bd9Sstevel@tonic-gate int _cnt; 1397c478bd9Sstevel@tonic-gate int _off; 1407c478bd9Sstevel@tonic-gate int _ln; 141986fd29aSsetje int _bsize; 142986fd29aSsetje int _iscmp; 143986fd29aSsetje int _dsize; 1447c478bd9Sstevel@tonic-gate }; 1457c478bd9Sstevel@tonic-gate 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate /* 1487c478bd9Sstevel@tonic-gate * Statistical info. 1497c478bd9Sstevel@tonic-gate */ 1507c478bd9Sstevel@tonic-gate typedef struct { 1517c478bd9Sstevel@tonic-gate int nalloc; 1527c478bd9Sstevel@tonic-gate int nfree; 1537c478bd9Sstevel@tonic-gate int nalloc_calls; 1547c478bd9Sstevel@tonic-gate int nfree_calls; 1557c478bd9Sstevel@tonic-gate } kobj_stat_t; 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate #define kobj_filename(p) ((p)->_name) 1587c478bd9Sstevel@tonic-gate #define kobj_linenum(p) ((p)->_ln) 1597c478bd9Sstevel@tonic-gate #define kobj_newline(p) ((p)->_ln++) 1607c478bd9Sstevel@tonic-gate #define kobj_getc(p) (--(p)->_cnt >= 0 ? ((int)*(p)->_ptr++):kobj_filbuf(p)) 1617c478bd9Sstevel@tonic-gate #define kobj_ungetc(p) (++(p)->_cnt > (p)->_size ? -1 : ((int)*(--(p)->_ptr))) 162986fd29aSsetje #define kobj_comphdr(p) ((struct comphdr *)(p)->_dbuf) 1637c478bd9Sstevel@tonic-gate 164986fd29aSsetje /* Offset into buffer */ 165986fd29aSsetje #define B_OFFSET(file, off) (off % (file)->_bsize) 166986fd29aSsetje 167986fd29aSsetje /* Start of page */ 168986fd29aSsetje #define F_PAGE(file, off) (off - B_OFFSET(file, off)) 169986fd29aSsetje 170986fd29aSsetje #define F_BLKS(file, size) ((size / (file)->_bsize) * (file)->_bsize) 1717c478bd9Sstevel@tonic-gate 172f06dce2cSAndrew Stormont #if defined(_KERNEL) || defined(_FAKE_KERNEL) 1737c478bd9Sstevel@tonic-gate 1747c478bd9Sstevel@tonic-gate extern int kobj_load_module(struct modctl *, int); 1757c478bd9Sstevel@tonic-gate extern void kobj_unload_module(struct modctl *); 1767aec1d6eScindi extern uintptr_t kobj_lookup(struct module *, const char *); 1777c478bd9Sstevel@tonic-gate extern Sym *kobj_lookup_all(struct module *, char *, int); 1787c478bd9Sstevel@tonic-gate extern int kobj_addrcheck(void *, caddr_t); 1797c478bd9Sstevel@tonic-gate extern int kobj_module_to_id(void *); 1807c478bd9Sstevel@tonic-gate extern void kobj_getmodinfo(void *, struct modinfo *); 1817c478bd9Sstevel@tonic-gate extern int kobj_get_needed(void *, short *, int); 1827c478bd9Sstevel@tonic-gate extern uintptr_t kobj_getsymvalue(char *, int); 1837c478bd9Sstevel@tonic-gate extern char *kobj_getsymname(uintptr_t, ulong_t *); 1847c478bd9Sstevel@tonic-gate extern char *kobj_searchsym(struct module *, uintptr_t, ulong_t *); 1857c478bd9Sstevel@tonic-gate 186ea8dc4b6Seschrock extern int kobj_fstat(intptr_t, struct bootstat *); 1877c478bd9Sstevel@tonic-gate extern intptr_t kobj_open(char *); 1885c311300Scth extern int kobj_path_exists(char *, int); 1897c478bd9Sstevel@tonic-gate extern struct _buf *kobj_open_path(char *, int, int); 1907c478bd9Sstevel@tonic-gate extern int kobj_read(intptr_t, char *, unsigned int, unsigned int); 1917c478bd9Sstevel@tonic-gate extern void kobj_close(intptr_t); 1927c478bd9Sstevel@tonic-gate extern void *kobj_alloc(size_t, int); 1937c478bd9Sstevel@tonic-gate extern void *kobj_zalloc(size_t, int); 1947c478bd9Sstevel@tonic-gate extern void kobj_free(void *, size_t); 1957c478bd9Sstevel@tonic-gate extern struct _buf *kobj_open_file(char *); 1967c478bd9Sstevel@tonic-gate extern void kobj_close_file(struct _buf *); 1977c478bd9Sstevel@tonic-gate extern int kobj_read_file(struct _buf *, char *, unsigned, unsigned); 198b1b8ab34Slling extern int kobj_get_filesize(struct _buf *, uint64_t *size); 1997c478bd9Sstevel@tonic-gate extern uintptr_t kobj_getelfsym(char *, void *, int *); 2007c478bd9Sstevel@tonic-gate extern void kobj_set_ctf(struct module *, caddr_t data, size_t size); 201*425251fdSSam Gwydir extern void do_hotinlines(struct module *); 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate extern int kobj_filbuf(struct _buf *); 2047c478bd9Sstevel@tonic-gate extern void kobj_sync(void); 2057c478bd9Sstevel@tonic-gate #if defined(__i386) || defined(__sparc) || defined(__amd64) 2067c478bd9Sstevel@tonic-gate extern void kobj_vmem_init(vmem_t **, vmem_t **); 2077c478bd9Sstevel@tonic-gate #else 2087c478bd9Sstevel@tonic-gate #error "ISA not supported" 2097c478bd9Sstevel@tonic-gate #endif 2107c478bd9Sstevel@tonic-gate extern caddr_t kobj_text_alloc(vmem_t *, size_t); 2117c478bd9Sstevel@tonic-gate extern caddr_t kobj_texthole_alloc(caddr_t, size_t); 2127c478bd9Sstevel@tonic-gate extern void kobj_texthole_free(caddr_t, size_t); 2137c478bd9Sstevel@tonic-gate extern void kobj_stat_get(kobj_stat_t *); 2147c478bd9Sstevel@tonic-gate extern void kobj_textwin_alloc(struct module *); 2157c478bd9Sstevel@tonic-gate extern void kobj_textwin_free(struct module *); 2167c478bd9Sstevel@tonic-gate 217f06dce2cSAndrew Stormont #endif /* defined(_KERNEL) || defined(_FAKE_KERNEL) */ 2187c478bd9Sstevel@tonic-gate 2197c478bd9Sstevel@tonic-gate #ifdef __cplusplus 2207c478bd9Sstevel@tonic-gate } 2217c478bd9Sstevel@tonic-gate #endif 2227c478bd9Sstevel@tonic-gate 2237c478bd9Sstevel@tonic-gate #endif /* !_SYS_KOBJ_H */ 224