Add some basic DDB stuff for modules.
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@ -1,4 +1,4 @@
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/* $NetBSD: db_command.c,v 1.122 2008/11/16 19:34:29 pooka Exp $ */
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/* $NetBSD: db_command.c,v 1.123 2008/11/25 15:14:07 ad Exp $ */
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/*
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* Mach Operating System
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* Copyright (c) 1991,1990 Carnegie Mellon University
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@ -58,7 +58,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.122 2008/11/16 19:34:29 pooka Exp $");
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__KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.123 2008/11/25 15:14:07 ad Exp $");
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#include "opt_aio.h"
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#include "opt_ddb.h"
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@ -83,6 +83,7 @@ __KERNEL_RCSID(0, "$NetBSD: db_command.c,v 1.122 2008/11/16 19:34:29 pooka Exp $
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#include <sys/sleepq.h>
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#include <sys/cpu.h>
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#include <sys/buf.h>
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#include <sys/module.h>
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/*include queue macros*/
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#include <sys/queue.h>
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@ -248,6 +249,8 @@ static const struct db_command db_show_cmds[] = {
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{ DDB_ADD_CMD("malloc", db_malloc_print_cmd,0,NULL,NULL,NULL) },
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{ DDB_ADD_CMD("map", db_map_print_cmd, 0,
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"Print the vm_map at address.", "[/f] address",NULL) },
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{ DDB_ADD_CMD("module", db_show_module_cmd, 0,
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"Print kernel modules", NULL, NULL) },
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{ DDB_ADD_CMD("mount", db_mount_print_cmd, 0,
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"Print the mount structure at address.", "[/f] address",NULL) },
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{ DDB_ADD_CMD("mqueue", db_show_mqueue_cmd, 0,
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@ -1401,4 +1404,5 @@ db_whatis_cmd(db_expr_t address, bool have_addr,
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pool_whatis(addr, db_printf);
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vmem_whatis(addr, db_printf);
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uvm_whatis(addr, db_printf);
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module_whatis(addr, db_printf);
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}
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@ -1,4 +1,4 @@
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/* $NetBSD: db_interface.h,v 1.23 2008/07/10 12:42:24 blymn Exp $ */
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/* $NetBSD: db_interface.h,v 1.24 2008/11/25 15:14:07 ad Exp $ */
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/*-
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* Copyright (c) 1995 The NetBSD Foundation, Inc.
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@ -65,6 +65,9 @@ void db_show_aio_jobs(db_expr_t, bool, db_expr_t, const char *);
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/* kern/sys_mqueue.c */
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void db_show_mqueue_cmd(db_expr_t, bool, db_expr_t, const char *);
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/* kern/kern_module.c */
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void db_show_module_cmd(db_expr_t, bool, db_expr_t, const char *);
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/*
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* This is used in several places to determine which printf format
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* string is appropriate for displaying a variable of type db_expr_t.
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@ -1,4 +1,4 @@
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/* $NetBSD: db_xxx.c,v 1.53 2008/11/14 23:37:50 ad Exp $ */
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/* $NetBSD: db_xxx.c,v 1.54 2008/11/25 15:14:07 ad Exp $ */
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/*
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* Copyright (c) 1982, 1986, 1989, 1991, 1993
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@ -37,7 +37,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.53 2008/11/14 23:37:50 ad Exp $");
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__KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.54 2008/11/25 15:14:07 ad Exp $");
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#include "opt_kgdb.h"
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#include "opt_aio.h"
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@ -58,6 +58,7 @@ __KERNEL_RCSID(0, "$NetBSD: db_xxx.c,v 1.53 2008/11/14 23:37:50 ad Exp $");
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#include <sys/kauth.h>
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#include <sys/mqueue.h>
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#include <sys/vnode.h>
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#include <sys/module.h>
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#include <machine/db_machdep.h>
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@ -177,6 +178,13 @@ db_show_mqueue_cmd(db_expr_t addr, bool haddr,
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mqueue_print_list(db_printf);
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}
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void
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db_show_module_cmd(db_expr_t addr, bool haddr,
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db_expr_t count, const char *modif)
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{
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module_print_list(db_printf);
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}
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void
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db_show_all_procs(db_expr_t addr, bool haddr,
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db_expr_t count, const char *modif)
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@ -1,4 +1,4 @@
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/* $NetBSD: kern_module.c,v 1.29 2008/11/19 13:07:42 ad Exp $ */
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/* $NetBSD: kern_module.c,v 1.30 2008/11/25 15:14:07 ad Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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@ -34,7 +34,11 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: kern_module.c,v 1.29 2008/11/19 13:07:42 ad Exp $");
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__KERNEL_RCSID(0, "$NetBSD: kern_module.c,v 1.30 2008/11/25 15:14:07 ad Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_ddb.h"
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#endif
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#include <sys/param.h>
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#include <sys/systm.h>
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@ -901,3 +905,64 @@ module_thread_kick(void)
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cv_broadcast(&module_thread_cv);
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mutex_exit(&module_thread_lock);
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}
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#ifdef DDB
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/*
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* module_whatis:
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*
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* Helper routine for DDB.
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*/
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void
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module_whatis(uintptr_t addr, void (*pr)(const char *, ...))
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{
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module_t *mod;
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size_t msize;
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vaddr_t maddr;
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TAILQ_FOREACH(mod, &module_list, mod_chain) {
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kobj_stat(mod->mod_kobj, &maddr, &msize);
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if (addr < maddr || addr >= maddr + msize) {
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continue;
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}
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(*pr)("%p is %p+%zu, in kernel module `%s'\n",
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(void *)addr, (void *)maddr,
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(size_t)(addr - maddr), mod->mod_info->mi_name);
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}
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}
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/*
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* module_print_list:
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*
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* Helper routine for DDB.
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*/
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void
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module_print_list(void (*pr)(const char *, ...))
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{
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const char *src;
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module_t *mod;
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size_t msize;
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vaddr_t maddr;
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(*pr)("%16s %16s %8s %8s\n", "NAME", "TEXT/DATA", "SIZE", "SOURCE");
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TAILQ_FOREACH(mod, &module_list, mod_chain) {
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switch (mod->mod_source) {
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case MODULE_SOURCE_KERNEL:
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src = "builtin";
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break;
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case MODULE_SOURCE_FILESYS:
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src = "filesys";
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break;
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case MODULE_SOURCE_BOOT:
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src = "boot";
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break;
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default:
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src = "unknown";
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break;
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}
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kobj_stat(mod->mod_kobj, &maddr, &msize);
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(*pr)("%16s %16lx %8lx %8s\n", mod->mod_info->mi_name,
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(long)maddr, (long)msize, src);
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}
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}
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#endif /* DDB */
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@ -1,4 +1,4 @@
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/* $NetBSD: module.h,v 1.13 2008/11/19 11:08:06 ad Exp $ */
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/* $NetBSD: module.h,v 1.14 2008/11/25 15:14:07 ad Exp $ */
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/*-
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* Copyright (c) 2008 The NetBSD Foundation, Inc.
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@ -128,6 +128,8 @@ void module_rele(const char *);
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int module_find_section(const char *, void **, size_t *);
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void module_thread_kick(void);
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void module_whatis(uintptr_t, void (*)(const char *, ...));
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void module_print_list(void (*)(const char *, ...));
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#else /* _KERNEL */
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#include <stdint.h>
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