diff options
Diffstat (limited to 'usr/src/uts/common/sys/kobj_impl.h')
| -rw-r--r-- | usr/src/uts/common/sys/kobj_impl.h | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/usr/src/uts/common/sys/kobj_impl.h b/usr/src/uts/common/sys/kobj_impl.h new file mode 100644 index 0000000000..363cf5a5ca --- /dev/null +++ b/usr/src/uts/common/sys/kobj_impl.h @@ -0,0 +1,194 @@ +/* + * 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 + */ +/* + * Copyright 2005 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 + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/kdi.h> +#include <sys/kobj.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 return */ +#define KM_SCRATCH 0x2000 /* not freed until boot unmap */ + +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 *, Word, int, int, Addr); +extern void (*_kobj_printf)(void *, const char *fmt, ...); +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 *); + +#ifdef __sparc +extern void *kobj_bs_alloc(size_t); + +extern void *kobj_tmp_alloc(size_t); +extern void kobj_tmp_free(void); +#else +extern void kobj_boot_unmountroot(void); +#endif + +#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 */ |