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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_KOBJ_H
#define _SYS_KOBJ_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/modctl.h>
#include <sys/elf.h>
#include <sys/machelf.h>
#include <sys/vmem.h>
#include <sys/sdt.h>
#include <sys/bootstat.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* List of modules maintained by kobj.c
*/
struct module_list {
struct module_list *next;
struct module *mp;
};
typedef unsigned short symid_t; /* symbol table index */
typedef unsigned char *reloc_dest_t;
typedef void module_mach;
struct module {
int total_allocated;
Ehdr hdr;
char *shdrs;
Shdr *symhdr, *strhdr;
char *depends_on;
size_t symsize;
char *symspace; /* symbols + strings + hashtbl, or NULL */
int flags;
size_t text_size;
size_t data_size;
char *text;
char *data;
unsigned int symtbl_section;
/* pointers into symspace, or NULL */
char *symtbl;
char *strings;
unsigned int hashsize;
symid_t *buckets;
symid_t *chains;
unsigned int nsyms;
unsigned int bss_align;
size_t bss_size;
uintptr_t bss;
char *filename;
struct module_list *head, *tail;
reloc_dest_t destination;
module_mach * machdata;
char *ctfdata;
size_t ctfsize;
char *fbt_tab;
size_t fbt_size;
size_t fbt_nentries;
caddr_t textwin;
caddr_t textwin_base;
sdt_probedesc_t *sdt_probes;
size_t sdt_nprobes;
char *sdt_tab;
size_t sdt_size;
char *sigdata;
size_t sigsize;
};
struct kobj_mem {
struct kobj_mem *km_next;
struct kobj_mem *km_prev;
uintptr_t km_addr;
size_t km_size;
uintptr_t km_alloc_addr;
size_t km_alloc_size;
};
struct _buf {
intptr_t _fd;
char *_ptr;
char *_base;
char *_name;
int _size;
int _cnt;
int _off;
int _ln;
};
/*
* Statistical info.
*/
typedef struct {
int nalloc;
int nfree;
int nalloc_calls;
int nfree_calls;
} kobj_stat_t;
#define kobj_filename(p) ((p)->_name)
#define kobj_linenum(p) ((p)->_ln)
#define kobj_newline(p) ((p)->_ln++)
#define kobj_getc(p) (--(p)->_cnt >= 0 ? ((int)*(p)->_ptr++):kobj_filbuf(p))
#define kobj_ungetc(p) (++(p)->_cnt > (p)->_size ? -1 : ((int)*(--(p)->_ptr)))
#define B_OFFSET(f_offset) (f_offset & (MAXBSIZE-1)) /* Offset into buffer */
#define F_PAGE(f_offset) (f_offset & ~(MAXBSIZE-1)) /* Start of page */
#if defined(_KERNEL)
extern int kobj_load_module(struct modctl *, int);
extern void kobj_unload_module(struct modctl *);
extern uintptr_t kobj_lookup(struct module *, const char *);
extern Sym *kobj_lookup_all(struct module *, char *, int);
extern int kobj_addrcheck(void *, caddr_t);
extern int kobj_module_to_id(void *);
extern void kobj_getmodinfo(void *, struct modinfo *);
extern int kobj_get_needed(void *, short *, int);
extern uintptr_t kobj_getsymvalue(char *, int);
extern char *kobj_getsymname(uintptr_t, ulong_t *);
extern char *kobj_searchsym(struct module *, uintptr_t, ulong_t *);
extern int kobj_fstat(intptr_t, struct bootstat *);
extern intptr_t kobj_open(char *);
extern int kobj_path_exists(char *, int);
extern struct _buf *kobj_open_path(char *, int, int);
extern int kobj_read(intptr_t, char *, unsigned int, unsigned int);
extern void kobj_close(intptr_t);
extern void *kobj_alloc(size_t, int);
extern void *kobj_zalloc(size_t, int);
extern void kobj_free(void *, size_t);
extern struct _buf *kobj_open_file(char *);
extern void kobj_close_file(struct _buf *);
extern int kobj_read_file(struct _buf *, char *, unsigned, unsigned);
extern int kobj_get_filesize(struct _buf *, uint64_t *size);
extern uintptr_t kobj_getelfsym(char *, void *, int *);
extern void kobj_set_ctf(struct module *, caddr_t data, size_t size);
extern int kobj_filbuf(struct _buf *);
extern void kobj_sync(void);
#if defined(__i386) || defined(__sparc) || defined(__amd64)
extern void kobj_vmem_init(vmem_t **, vmem_t **);
#else
#error "ISA not supported"
#endif
extern caddr_t kobj_text_alloc(vmem_t *, size_t);
extern caddr_t kobj_texthole_alloc(caddr_t, size_t);
extern void kobj_texthole_free(caddr_t, size_t);
extern void kobj_stat_get(kobj_stat_t *);
extern void kobj_textwin_alloc(struct module *);
extern void kobj_textwin_free(struct module *);
#endif /* defined(_KERNEL) */
#ifdef __cplusplus
}
#endif
#endif /* !_SYS_KOBJ_H */
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