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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.
*/
/*
* Kernel Run-Time Linker/Loader private interfaces.
*/
#ifndef _SYS_KOBJ_IMPL_H
#define _SYS_KOBJ_IMPL_H
#include <sys/kdi.h>
#include <sys/kobj.h>
#include <sys/varargs.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Boot/aux vector attributes.
*/
#define BA_DYNAMIC 0
#define BA_PHDR 1
#define BA_PHNUM 2
#define BA_PHENT 3
#define BA_ENTRY 4
#define BA_PAGESZ 5
#define BA_LPAGESZ 6
#define BA_LDELF 7
#define BA_LDSHDR 8
#define BA_LDNAME 9
#define BA_BSS 10
#define BA_IFLUSH 11
#define BA_CPU 12
#define BA_MMU 13
#define BA_GOTADDR 14
#define BA_NEXTGOT 15
#define BA_NUM 16
typedef union {
unsigned long ba_val;
void *ba_ptr;
} val_t;
/*
* Segment info.
*/
struct proginfo {
uint_t size;
uint_t align;
};
/*
* Implementation-specific flags.
*/
#define KOBJ_EXEC 0x0004 /* executable (unix module) */
#define KOBJ_INTERP 0x0008 /* the interpreter module */
#define KOBJ_PRIM 0x0010 /* a primary kernel module */
#define KOBJ_RESOLVED 0x0020 /* fully resolved */
#define KOBJ_TNF_PROBE 0x0040 /* Contains TNF probe(s) */
#define KOBJ_RELOCATED 0x0080 /* relocation completed */
#define KOBJ_NOPARENTS 0x0200 /* nothing can depend on this module */
#define KOBJ_IGNMULDEF 0x0400 /* ignore dups during sym resolution */
#define KOBJ_NOKSYMS 0x0800 /* module's symbols don't go into ksyms */
#define KOBJ_EXPORTED 0x1000 /* ctf, syms copied to vmem */
/*
* kobj_notify_add() data notification structure
*/
typedef void kobj_notify_f(uint_t, struct modctl *);
typedef struct kobj_notify_list {
kobj_notify_f *kn_func; /* notification func */
uint_t kn_type; /* notification type */
struct kobj_notify_list *kn_prev;
struct kobj_notify_list *kn_next;
} kobj_notify_list_t;
/*
* krtld can provide notification to external clients on the
* following events.
*/
#define KOBJ_NOTIFY_MODLOADING 1 /* very early in module load */
#define KOBJ_NOTIFY_MODUNLOADING 2 /* before module unload */
#define KOBJ_NOTIFY_MODLOADED 3 /* after module load */
#define KOBJ_NOTIFY_MODUNLOADED 4 /* after module unload */
#define KOBJ_NOTIFY_MAX 4
#define ALIGN(x, a) ((a) == 0 ? (uintptr_t)(x) : \
(((uintptr_t)(x) + (uintptr_t)(a) - 1l) & ~((uintptr_t)(a) - 1l)))
#ifdef DEBUG
#define KOBJ_DEBUG
#endif
#ifdef KOBJ_DEBUG
/*
* Debugging flags.
*/
#define D_DEBUG 0x001 /* general debugging */
#define D_SYMBOLS 0x002 /* debug symbols */
#define D_RELOCATIONS 0x004 /* debug relocations */
#define D_LOADING 0x008 /* section loading */
extern int kobj_debug; /* different than moddebug */
#endif
/*
* Flags for kobj memory allocation.
*/
#define KM_WAIT 0x0 /* wait for it */
#define KM_NOWAIT 0x1 /* return immediately */
#define KM_TMP 0x1000 /* freed before kobj_init returns */
#define KM_SCRATCH 0x2000 /* not freed until kobj_sync */
#ifdef KOBJ_OVERRIDES
/*
* Until the kernel is fully linked, all code running in the
* context of krtld/kobj using bcopy or bzero must be directed
* to the kobj equivalents. All (ok, most) references to bcopy
* or bzero are thus so vectored.
*/
#define bcopy(s, d, n) kobj_bcopy((s), (d), (n))
#define bzero(p, n) kobj_bzero((p), (n))
#define strlcat(s, d, n) kobj_strlcat((s), (d), (n))
#endif
extern kdi_t kobj_kdi;
struct bootops;
extern struct modctl_list *kobj_linkmaps[];
extern char *kobj_kmdb_argv[];
extern int kobj_mmu_pagesize;
extern void kobj_init(void *romvec, void *dvec,
struct bootops *bootvec, val_t *bootaux);
extern int kobj_notify_add(kobj_notify_list_t *);
extern int kobj_notify_remove(kobj_notify_list_t *);
extern int do_relocations(struct module *);
extern int do_relocate(struct module *, char *, int, int, Addr);
extern struct bootops *ops;
extern void exitto(caddr_t);
extern void kobj_sync_instruction_memory(caddr_t, size_t);
extern uint_t kobj_gethashsize(uint_t);
extern void * kobj_mod_alloc(struct module *, size_t, int, reloc_dest_t *);
extern void mach_alloc_funcdesc(struct module *);
extern uint_t kobj_hash_name(const char *);
extern caddr_t kobj_segbrk(caddr_t *, size_t, size_t, caddr_t);
extern int get_progbits_size(struct module *, struct proginfo *,
struct proginfo *, struct proginfo *);
extern Sym *kobj_lookup_kernel(const char *);
extern struct modctl *kobj_boot_mod_lookup(const char *);
extern void kobj_export_module(struct module *);
extern int kobj_load_primary_module(struct modctl *);
extern int boot_compinfo(int, struct compinfo *);
extern void mach_modpath(char *, const char *);
extern void kobj_setup_standalone_vectors(void);
extern void kobj_restore_vectors(void);
extern void (*_kobj_printf)(void *, const char *fmt, ...);
extern void (*_vkobj_printf)(void *, const char *fmt, va_list);
extern void (*kobj_bcopy)(const void *, void *, size_t);
extern void (*kobj_bzero)(void *, size_t);
extern size_t (*kobj_strlcat)(char *, const char *, size_t);
#define KOBJ_LM_PRIMARY 0x0
#define KOBJ_LM_DEBUGGER 0x1
extern void kobj_lm_append(int, struct modctl *modp);
extern struct modctl_list *kobj_lm_lookup(int);
extern void kobj_lm_dump(int);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_KOBJ_IMPL_H */
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