1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. 24 */ 25 26 #ifndef _MDB_FINDSTACK_H 27 #define _MDB_FINDSTACK_H 28 29 #include <mdb/mdb_modapi.h> 30 #include <sys/param.h> 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 typedef struct findstack_info { 37 uintptr_t *fsi_stack; /* place to record frames */ 38 uintptr_t fsi_sp; /* stack pointer */ 39 uintptr_t fsi_pc; /* pc */ 40 uintptr_t fsi_sobj_ops; /* sobj_ops */ 41 uint_t fsi_tstate; /* t_state */ 42 uchar_t fsi_depth; /* stack depth */ 43 uchar_t fsi_failed; /* search failed */ 44 uchar_t fsi_overflow; /* stack was deeper than max_depth */ 45 uchar_t fsi_panic; /* thread called panic() */ 46 uchar_t fsi_max_depth; /* stack frames available */ 47 } findstack_info_t; 48 49 #define FSI_FAIL_BADTHREAD 1 50 #define FSI_FAIL_THREADCORRUPT 2 51 #define FSI_FAIL_STACKNOTFOUND 3 52 53 typedef struct stacks_module { 54 char sm_name[MAXPATHLEN]; /* name of module */ 55 uintptr_t sm_text; /* base address of text in module */ 56 size_t sm_size; /* size of text in module */ 57 } stacks_module_t; 58 59 extern int findstack(uintptr_t, uint_t, int, const mdb_arg_t *); 60 extern int findstack_debug(uintptr_t, uint_t, int, const mdb_arg_t *); 61 62 /* 63 * The following routines are implemented in findstack.c, shared across both 64 * genunix and libc. 65 */ 66 extern int stacks(uintptr_t, uint_t, int, const mdb_arg_t *); 67 extern void stacks_cleanup(int); 68 69 /* 70 * The following routines are specific to their context (kernel vs. user-land) 71 * and are therefore implemented in findstack_subr.c (of which each of genunix 72 * and libc have their own copy). 73 */ 74 extern void stacks_help(void); 75 extern int stacks_findstack(uintptr_t, findstack_info_t *, uint_t); 76 extern void stacks_findstack_cleanup(); 77 extern int stacks_module(stacks_module_t *); 78 79 extern int findstack_debug_on; 80 81 #define fs_dprintf(x) \ 82 if (findstack_debug_on) { \ 83 mdb_printf("findstack debug: "); \ 84 /*CSTYLED*/ \ 85 mdb_printf x ; \ 86 } 87 88 #ifdef __cplusplus 89 } 90 #endif 91 92 #endif /* _MDB_FINDSTACK_H */