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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #ifndef _KVM_H 27 #define _KVM_H 28 29 #pragma ident "%Z%%M% %I% %E% SMI" 30 31 /* 32 * The kmdb target 33 */ 34 35 #include <mdb/mdb_modapi.h> 36 #include <mdb/mdb_target.h> 37 #include <kmdb/kmdb_dpi.h> 38 #include <kmdb/kvm_isadep.h> 39 #include <kmdb/kvm_cpu.h> 40 41 #include <sys/kobj.h> 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 #define KM_F_PRIMARY 1 48 49 #define KMT_TRAP_NOTENUM -1 /* Glob for unnamed traps */ 50 #define KMT_TRAP_ALL -2 /* Glob for all traps */ 51 52 typedef struct kmt_module { 53 mdb_list_t km_list; /* List forward/back pointers */ 54 char *km_name; /* Module name */ 55 char km_seen; 56 GElf_Ehdr km_ehdr; 57 58 mdb_gelf_symtab_t *km_symtab; 59 Shdr km_symtab_hdr; 60 Shdr km_strtab_hdr; 61 const void *km_symtab_va; 62 const void *km_strtab_va; 63 64 uintptr_t km_text_va; 65 size_t km_text_size; 66 uintptr_t km_data_va; 67 size_t km_data_size; 68 uintptr_t km_bss_va; 69 size_t km_bss_size; 70 const void *km_ctf_va; 71 size_t km_ctf_size; 72 73 ctf_file_t *km_ctfp; 74 struct modctl km_modctl; 75 struct module km_module; 76 int km_flags; 77 } kmt_module_t; 78 79 typedef struct kmt_data { 80 const mdb_tgt_regdesc_t *kmt_rds; /* Register description table */ 81 mdb_nv_t kmt_modules; /* Hash table of modules */ 82 mdb_list_t kmt_modlist; /* List of mods in load order */ 83 caddr_t kmt_writemap; /* Used to map PAs for writes */ 84 size_t kmt_writemapsz; /* Size of same */ 85 mdb_map_t kmt_map; /* Persistant map for callers */ 86 ulong_t *kmt_trapmap; 87 size_t kmt_trapmax; 88 kmt_cpu_t *kmt_cpu; /* CPU-specific plugin */ 89 int kmt_cpu_retry; /* Try CPU detect again? */ 90 int kmt_symavail; /* Symbol resolution allowed */ 91 uint_t kmt_narmedbpts; /* Number of armed brkpts */ 92 #if defined(__i386) || defined(__amd64) 93 struct { 94 GElf_Sym _kmt_cmnint; 95 GElf_Sym _kmt_cmntrap; 96 GElf_Sym _kmt_sysenter; 97 GElf_Sym _kmt_brand_sysenter; 98 #if defined(__amd64) 99 GElf_Sym _kmt_syscall; 100 GElf_Sym _kmt_brand_syscall; 101 #endif 102 } kmt_intrsyms; 103 #endif 104 } kmt_data_t; 105 106 #if defined(__i386) || defined(__amd64) 107 #define kmt_cmnint kmt_intrsyms._kmt_cmnint 108 #define kmt_cmntrap kmt_intrsyms._kmt_cmntrap 109 #endif 110 111 typedef struct kmt_defbp { 112 mdb_list_t dbp_bplist; 113 char *dbp_objname; 114 char *dbp_symname; 115 int dbp_ref; 116 } kmt_defbp_t; 117 118 typedef struct kmt_brkpt { 119 uintptr_t kb_addr; /* Breakpoint address */ 120 mdb_instr_t kb_oinstr; /* Replaced instruction */ 121 } kmt_brkpt_t; 122 123 typedef struct kmt_bparg { 124 uintptr_t ka_addr; /* Explicit address */ 125 char *ka_symbol; /* Symbolic name */ 126 kmt_defbp_t *ka_defbp; 127 } kmt_bparg_t; 128 129 extern void kmt_printregs(const mdb_tgt_gregset_t *gregs); 130 131 extern const char *kmt_def_dismode(void); 132 133 extern void kmt_init_isadep(mdb_tgt_t *); 134 extern void kmt_startup_isadep(mdb_tgt_t *); 135 136 extern ssize_t kmt_write(mdb_tgt_t *, const void *, size_t, uintptr_t); 137 extern ssize_t kmt_pwrite(mdb_tgt_t *, const void *, size_t, physaddr_t); 138 extern ssize_t kmt_rw(mdb_tgt_t *, void *, size_t, uint64_t, 139 ssize_t (*)(void *, size_t, uint64_t)); 140 extern ssize_t kmt_writer(void *, size_t, uint64_t); 141 extern ssize_t kmt_ioread(mdb_tgt_t *, void *, size_t, uintptr_t); 142 extern ssize_t kmt_iowrite(mdb_tgt_t *, const void *, size_t, uintptr_t); 143 144 extern int kmt_step_out(mdb_tgt_t *, uintptr_t *); 145 extern int kmt_step_branch(mdb_tgt_t *); 146 extern int kmt_next(mdb_tgt_t *, uintptr_t *); 147 148 extern int kmt_stack(uintptr_t, uint_t, int, const mdb_arg_t *); 149 extern int kmt_stackv(uintptr_t, uint_t, int, const mdb_arg_t *); 150 extern int kmt_stackr(uintptr_t, uint_t, int, const mdb_arg_t *); 151 extern int kmt_cpustack(uintptr_t, uint_t, int, const mdb_arg_t *, int, int); 152 153 extern const char *kmt_trapname(int); 154 155 #ifdef __cplusplus 156 } 157 #endif 158 159 #endif /* _KVM_H */ 160