[a0d4e99] | 1 | /* |
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| 2 | * Copyright (c) 2016 Chris Johns <chrisj@rtems.org>. All rights reserved. |
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| 3 | * |
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| 4 | * Redistribution and use in source and binary forms, with or without |
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| 5 | * modification, are permitted provided that the following conditions |
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| 6 | * are met: |
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| 7 | * 1. Redistributions of source code must retain the above copyright |
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| 8 | * notice, this list of conditions and the following disclaimer. |
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| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer in the |
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| 11 | * documentation and/or other materials provided with the distribution. |
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| 12 | * |
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| 13 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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| 14 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 15 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 16 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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| 17 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| 18 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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| 19 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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| 20 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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| 21 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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| 22 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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| 23 | * SUCH DAMAGE. |
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| 24 | */ |
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| 25 | |
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| 26 | #include <errno.h> |
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| 27 | #include <stdlib.h> |
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| 28 | #include <stdio.h> |
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| 29 | |
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| 30 | #include <rtems.h> |
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| 31 | #include <rtems/score/statesimpl.h> |
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| 32 | #include <rtems/score/threadimpl.h> |
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| 33 | |
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| 34 | #include <rtems/debugger/rtems-debugger-server.h> |
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| 35 | |
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| 36 | #include "rtems-debugger-target.h" |
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| 37 | #include "rtems-debugger-threads.h" |
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| 38 | |
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| 39 | static const char const* excludes_defaults[] = |
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| 40 | { |
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| 41 | "TIME", |
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| 42 | "_BSD", |
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| 43 | "IRQS", |
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| 44 | "DBSs", |
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| 45 | "DBSe", |
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| 46 | }; |
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| 47 | |
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| 48 | static void |
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| 49 | rtems_debugger_thread_free(rtems_debugger_threads* threads) |
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| 50 | { |
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| 51 | rtems_debugger_block_destroy(&threads->current); |
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| 52 | rtems_debugger_block_destroy(&threads->registers); |
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| 53 | rtems_debugger_block_destroy(&threads->excludes); |
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| 54 | rtems_debugger_block_destroy(&threads->stopped); |
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| 55 | rtems_debugger_block_destroy(&threads->steppers); |
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| 56 | threads->next = 0; |
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| 57 | } |
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| 58 | |
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| 59 | int |
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| 60 | rtems_debugger_thread_create(void) |
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| 61 | { |
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| 62 | rtems_debugger_threads* threads; |
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| 63 | int r; |
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| 64 | |
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| 65 | threads = calloc(1, sizeof(rtems_debugger_threads)); |
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| 66 | if (threads == NULL) { |
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| 67 | errno = ENOMEM; |
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| 68 | rtems_debugger_printf("error: rtems-db: thread: threads alloc: (%d) %s\n", |
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| 69 | errno, strerror(errno)); |
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| 70 | return -1; |
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| 71 | } |
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| 72 | |
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| 73 | r = rtems_debugger_block_create(&threads->current, |
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| 74 | RTEMS_DEBUGGER_THREAD_BLOCK_SIZE, |
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| 75 | sizeof(rtems_debugger_thread)); |
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| 76 | if (r < 0) { |
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| 77 | rtems_debugger_thread_free(threads); |
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| 78 | free(threads); |
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| 79 | rtems_debugger_printf("error: rtems-db: thread: current alloc: (%d) %s\n", |
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| 80 | errno, strerror(errno)); |
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| 81 | return -1; |
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| 82 | } |
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| 83 | |
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| 84 | r = rtems_debugger_block_create(&threads->registers, |
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| 85 | RTEMS_DEBUGGER_THREAD_BLOCK_SIZE, |
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| 86 | rtems_debugger_target_reg_size()); |
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| 87 | if (r < 0) { |
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| 88 | rtems_debugger_thread_free(threads); |
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| 89 | free(threads); |
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| 90 | rtems_debugger_printf("error: rtems-db: thread: registers alloc: (%d) %s\n", |
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| 91 | errno, strerror(errno)); |
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| 92 | return -1; |
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| 93 | } |
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| 94 | |
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| 95 | r = rtems_debugger_block_create(&threads->excludes, |
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| 96 | RTEMS_DEBUGGER_THREAD_BLOCK_SIZE, |
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| 97 | sizeof(rtems_id)); |
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| 98 | if (r < 0) { |
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| 99 | rtems_debugger_thread_free(threads); |
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| 100 | free(threads); |
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| 101 | rtems_debugger_printf("error: rtems-db: thread: exlcudes alloc: (%d) %s\n", |
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| 102 | errno, strerror(errno)); |
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| 103 | return -1; |
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| 104 | } |
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| 105 | |
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| 106 | r = rtems_debugger_block_create(&threads->stopped, |
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| 107 | RTEMS_DEBUGGER_THREAD_BLOCK_SIZE, |
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| 108 | sizeof(rtems_id)); |
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| 109 | if (r < 0) { |
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| 110 | rtems_debugger_thread_free(threads); |
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| 111 | free(threads); |
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| 112 | rtems_debugger_printf("error: rtems-db: thread: stopped alloc: (%d) %s\n", |
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| 113 | errno, strerror(errno)); |
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| 114 | return -1; |
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| 115 | } |
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| 116 | |
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| 117 | r = rtems_debugger_block_create(&threads->steppers, |
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| 118 | RTEMS_DEBUGGER_THREAD_BLOCK_SIZE, |
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| 119 | sizeof(rtems_debugger_thread_stepper)); |
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| 120 | if (r < 0) { |
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| 121 | rtems_debugger_thread_free(threads); |
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| 122 | free(threads); |
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| 123 | rtems_debugger_printf("error: rtems-db: thread: steppers alloc: (%d) %s\n", |
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| 124 | errno, strerror(errno)); |
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| 125 | return -1; |
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| 126 | } |
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| 127 | |
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| 128 | rtems_debugger->threads = threads; |
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| 129 | |
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| 130 | return rtems_debugger_thread_system_suspend(); |
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| 131 | } |
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| 132 | |
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| 133 | int |
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| 134 | rtems_debugger_thread_destroy(void) |
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| 135 | { |
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| 136 | rtems_debugger_threads* threads = rtems_debugger->threads; |
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| 137 | rtems_debugger_thread_system_resume(true); |
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| 138 | rtems_debugger_thread_free(threads); |
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| 139 | free(threads); |
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| 140 | rtems_debugger->threads = NULL; |
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| 141 | return 0; |
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| 142 | } |
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| 143 | |
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| 144 | int |
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| 145 | rtems_debugger_thread_find_index(rtems_id id) |
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| 146 | { |
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| 147 | rtems_debugger_threads* threads = rtems_debugger->threads; |
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| 148 | rtems_debugger_thread* current = rtems_debugger_thread_current(threads); |
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| 149 | int r = -1; |
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| 150 | if (threads != NULL) { |
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| 151 | size_t i; |
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| 152 | for (i = 0; i < threads->current.level; ++i) { |
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| 153 | if (id == 0 || current[i].id == id) { |
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| 154 | r = i; |
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| 155 | break; |
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| 156 | } |
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| 157 | } |
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| 158 | } |
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| 159 | return r; |
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| 160 | } |
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| 161 | |
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| 162 | static bool |
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| 163 | snapshot_thread(rtems_tcb* tcb, void* arg) |
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| 164 | { |
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| 165 | rtems_debugger_threads* threads = rtems_debugger->threads; |
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| 166 | rtems_id id = tcb->Object.id; |
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| 167 | char name[RTEMS_DEBUGGER_THREAD_NAME_SIZE]; |
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| 168 | bool exclude = false; |
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| 169 | size_t i; |
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| 170 | |
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| 171 | /* |
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| 172 | * The only time the threads pointer is NULL is a realloc error so we stop |
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| 173 | * processing threads. There is no way to stop the iterator. |
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| 174 | */ |
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| 175 | if (rtems_debugger_thread_current(threads) == NULL) |
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| 176 | return true; |
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| 177 | |
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| 178 | /* |
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| 179 | * Filter the threads. |
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| 180 | */ |
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| 181 | switch (rtems_object_id_get_api(id)) { |
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| 182 | case OBJECTS_NO_API: |
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| 183 | case OBJECTS_INTERNAL_API: |
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| 184 | exclude = true; |
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| 185 | break; |
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| 186 | default: |
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| 187 | rtems_object_get_name(id, sizeof(name), (char*) &name[0]); |
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| 188 | for (i = 0; i < RTEMS_DEBUGGER_NUMOF(excludes_defaults); ++i) { |
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| 189 | if (strcmp(excludes_defaults[i], name) == 0) { |
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| 190 | exclude = true; |
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| 191 | break; |
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| 192 | } |
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| 193 | } |
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| 194 | break; |
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| 195 | } |
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| 196 | |
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| 197 | if (exclude) { |
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| 198 | rtems_id* excludes; |
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| 199 | int r; |
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| 200 | r = rtems_debugger_block_resize(&threads->excludes); |
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| 201 | if (r < 0) { |
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| 202 | rtems_debugger_thread_free(threads); |
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| 203 | return true; |
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| 204 | } |
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| 205 | excludes = rtems_debugger_thread_excludes(threads); |
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| 206 | excludes[threads->excludes.level++] = id; |
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| 207 | } |
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| 208 | else { |
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| 209 | rtems_debugger_thread* current; |
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| 210 | DB_UINT* registers; |
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| 211 | rtems_debugger_thread* thread; |
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| 212 | int r; |
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| 213 | |
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| 214 | r = rtems_debugger_block_resize(&threads->current); |
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| 215 | if (r < 0) { |
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| 216 | rtems_debugger_thread_free(threads); |
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| 217 | return true; |
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| 218 | } |
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| 219 | r = rtems_debugger_block_resize(&threads->registers); |
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| 220 | if (r < 0) { |
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| 221 | rtems_debugger_thread_free(threads); |
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| 222 | return true; |
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| 223 | } |
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| 224 | |
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| 225 | current = rtems_debugger_thread_current(threads); |
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| 226 | registers = rtems_debugger_thread_registers(threads); |
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| 227 | |
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| 228 | thread = ¤t[threads->current.level++]; |
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| 229 | thread->registers = |
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| 230 | ®isters[threads->registers.level++ * rtems_debugger_target_reg_num()]; |
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| 231 | |
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| 232 | thread->tcb = tcb; |
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| 233 | thread->id = id; |
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| 234 | thread->flags = 0; |
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| 235 | thread->signal = 0; |
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| 236 | thread->frame = NULL; |
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| 237 | memcpy((void*) &thread->name[0], &name[0], sizeof(thread->name)); |
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| 238 | |
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| 239 | /* |
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| 240 | * See if there is a valid exception stack frame and if the thread is being |
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| 241 | * debugged. |
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| 242 | */ |
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| 243 | r = rtems_debugger_target_set_exception_frame(thread); |
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| 244 | if (r < 0) { |
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| 245 | rtems_debugger_printf("error: rtems-db: thread: snap: %08lx: not valid frame\n", |
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| 246 | id); |
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| 247 | } |
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| 248 | |
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| 249 | /* |
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| 250 | * Read the target registers into the thread register array. |
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| 251 | */ |
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| 252 | rtems_debugger_target_read_regs(thread); |
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| 253 | |
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| 254 | /* |
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| 255 | * Debugger threads are stopped for breakpoint, segv or other errors have |
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| 256 | * the RTEMS_DEBUGGER_THREAD_FLAG_DEBUGGING set. |
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| 257 | */ |
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| 258 | if (rtems_debugger_thread_flag(thread, |
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| 259 | RTEMS_DEBUGGER_THREAD_FLAG_DEBUGGING)) { |
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| 260 | rtems_id* stopped; |
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| 261 | r = rtems_debugger_block_resize(&threads->stopped); |
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| 262 | if (r < 0) { |
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| 263 | rtems_debugger_thread_free(threads); |
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| 264 | return true; |
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| 265 | } |
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| 266 | stopped = rtems_debugger_thread_stopped(threads); |
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| 267 | stopped[threads->stopped.level++] = id; |
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| 268 | } |
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| 269 | else { |
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| 270 | rtems_status_code sc; |
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| 271 | sc = rtems_task_suspend(id); |
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| 272 | if (sc != RTEMS_SUCCESSFUL && sc != RTEMS_ALREADY_SUSPENDED) { |
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| 273 | rtems_debugger_printf("error: rtems-db: thread: suspend: %08lx: %s\n", |
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| 274 | id, rtems_status_text(sc)); |
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| 275 | r = -1; |
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| 276 | } |
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| 277 | } |
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| 278 | |
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| 279 | if (rtems_debugger_server_flag(RTEMS_DEBUGGER_FLAG_VERBOSE)) |
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| 280 | rtems_debugger_printf("rtems-db: sys: thd: %08lx: signal: %d\n", |
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| 281 | id, thread->signal); |
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| 282 | |
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| 283 | /* |
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| 284 | * Pick up the first non-zero signal. |
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| 285 | */ |
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| 286 | if (rtems_debugger->signal == 0) { |
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| 287 | rtems_debugger->signal = thread->signal; |
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| 288 | } |
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| 289 | } |
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| 290 | |
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| 291 | return false; |
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| 292 | } |
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| 293 | |
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| 294 | int |
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| 295 | rtems_debugger_thread_system_suspend(void) |
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| 296 | { |
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| 297 | rtems_debugger_threads* threads = rtems_debugger->threads; |
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| 298 | int r = -1; |
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| 299 | if (threads != NULL && rtems_debugger_thread_current(threads) != NULL) { |
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| 300 | if (rtems_debugger_verbose()) |
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| 301 | rtems_debugger_printf("rtems-db: sys: : suspending\n"); |
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| 302 | r = rtems_debugger_target_swbreak_remove(); |
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| 303 | if (r == 0) { |
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| 304 | rtems_debugger_thread* current; |
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| 305 | threads->current.level = 0; |
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| 306 | threads->registers.level = 0; |
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| 307 | threads->stopped.level = 0; |
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| 308 | threads->excludes.level = 0; |
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| 309 | threads->steppers.level = 0; |
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| 310 | rtems_task_iterate(snapshot_thread, NULL); |
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| 311 | current = rtems_debugger_thread_current(threads); |
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| 312 | if (current == NULL) { |
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| 313 | rtems_debugger_printf("error: rtems-db: thread: snapshot: (%d) %s\n", |
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| 314 | errno, strerror(errno)); |
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| 315 | r = -1; |
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| 316 | } |
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| 317 | else { |
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| 318 | rtems_id* stopped; |
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| 319 | /* |
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| 320 | * If there are no stopped threads pick the first one in the current |
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| 321 | * table and return that. |
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| 322 | */ |
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| 323 | threads->selector_gen = 0; |
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| 324 | threads->selector_cont = 0; |
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| 325 | stopped = rtems_debugger_thread_stopped(threads); |
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| 326 | if (threads->stopped.level == 0 && threads->current.level > 0) { |
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| 327 | stopped[threads->stopped.level++] = current[0].id; |
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| 328 | } |
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| 329 | if (threads->stopped.level > 0) { |
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| 330 | threads->selector_gen = |
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| 331 | rtems_debugger_thread_find_index(stopped[0]); |
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| 332 | if (threads->selector_gen < 0) |
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| 333 | threads->selector_gen = 0; |
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| 334 | } |
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| 335 | } |
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| 336 | } |
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| 337 | else { |
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| 338 | errno = EIO; |
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| 339 | } |
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| 340 | } |
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| 341 | return r; |
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| 342 | } |
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| 343 | |
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| 344 | int |
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| 345 | rtems_debugger_thread_system_resume(bool detaching) |
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| 346 | { |
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| 347 | rtems_debugger_threads* threads = rtems_debugger->threads; |
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| 348 | rtems_debugger_thread* current; |
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| 349 | int r = 0; |
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| 350 | current = rtems_debugger_thread_current(threads); |
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| 351 | if (threads != NULL && current != NULL) { |
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| 352 | size_t i; |
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| 353 | if (rtems_debugger_verbose()) |
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| 354 | rtems_debugger_printf("rtems-db: sys: : resuming\n"); |
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| 355 | if (!detaching) |
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| 356 | r = rtems_debugger_target_swbreak_insert(); |
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| 357 | if (r == 0) { |
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| 358 | for (i = 0; i < threads->current.level; ++i) { |
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| 359 | rtems_debugger_thread* thread = ¤t[i]; |
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| 360 | rtems_status_code sc; |
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| 361 | int rr; |
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| 362 | /* |
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| 363 | * Check if resuming, which is continuing, a step, or stepping a range. |
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| 364 | */ |
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| 365 | if (detaching || |
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| 366 | rtems_debugger_thread_flag(thread, |
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| 367 | RTEMS_DEBUGGER_THREAD_FLAG_RESUME)) { |
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| 368 | if (!detaching) { |
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| 369 | rr = rtems_debugger_target_write_regs(thread); |
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| 370 | if (rr < 0 && r == 0) |
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| 371 | r = rr; |
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| 372 | if (rtems_debugger_thread_flag(thread, |
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| 373 | RTEMS_DEBUGGER_THREAD_FLAG_STEP_INSTR)) { |
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| 374 | rr = rtems_debugger_target_thread_stepping(thread); |
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| 375 | if (rr < 0 && r == 0) |
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| 376 | r = rr; |
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| 377 | } |
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| 378 | } |
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| 379 | sc = rtems_task_resume(thread->id); |
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| 380 | if (sc != RTEMS_SUCCESSFUL) { |
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| 381 | rtems_debugger_printf("error: rtems-db: thread: resume: %08lx: %s\n", |
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| 382 | thread->id, rtems_status_text(sc)); |
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| 383 | } |
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| 384 | thread->flags &= ~(RTEMS_DEBUGGER_THREAD_FLAG_CONTINUE | |
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| 385 | RTEMS_DEBUGGER_THREAD_FLAG_STEP); |
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| 386 | thread->signal = 0; |
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| 387 | } |
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| 388 | } |
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| 389 | /* |
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| 390 | * Excludes are not cleared so the exception handler can find the |
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| 391 | * excluded thread. |
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| 392 | */ |
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| 393 | threads->current.level = 0; |
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| 394 | threads->registers.level = 0; |
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| 395 | threads->stopped.level = 0; |
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| 396 | } |
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| 397 | else { |
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| 398 | r = -1; |
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| 399 | errno = EIO; |
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| 400 | } |
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| 401 | } |
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| 402 | return r; |
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| 403 | } |
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| 404 | |
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| 405 | int |
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| 406 | rtems_debugger_thread_continue(rtems_debugger_thread* thread) |
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| 407 | { |
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| 408 | thread->flags |= RTEMS_DEBUGGER_THREAD_FLAG_CONTINUE; |
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| 409 | return 0; |
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| 410 | } |
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| 411 | |
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| 412 | int |
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| 413 | rtems_debugger_thread_continue_all(void) |
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| 414 | { |
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| 415 | rtems_debugger_threads* threads = rtems_debugger->threads; |
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| 416 | rtems_debugger_thread* current; |
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| 417 | int r = 0; |
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| 418 | current = rtems_debugger_thread_current(threads); |
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| 419 | if (threads != NULL && current != NULL) { |
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| 420 | size_t i; |
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| 421 | for (i = 0; i < threads->current.level; ++i) { |
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| 422 | rtems_debugger_thread* thread = ¤t[i]; |
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| 423 | int r; |
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| 424 | r = rtems_debugger_thread_continue(thread); |
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| 425 | if (r < 0) |
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| 426 | break; |
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| 427 | } |
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| 428 | } |
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| 429 | else { |
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| 430 | r = -1; |
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| 431 | errno = EIO; |
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| 432 | } |
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| 433 | return r; |
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| 434 | } |
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| 435 | |
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| 436 | int |
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| 437 | rtems_debugger_thread_step(rtems_debugger_thread* thread) |
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| 438 | { |
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| 439 | thread->flags |= RTEMS_DEBUGGER_THREAD_FLAG_STEP; |
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| 440 | return 0; |
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| 441 | } |
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| 442 | |
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| 443 | int |
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| 444 | rtems_debugger_thread_stepping(rtems_debugger_thread* thread, |
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| 445 | DB_UINT start, |
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| 446 | DB_UINT end) |
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| 447 | { |
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| 448 | /* add lock */ |
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| 449 | rtems_debugger_threads* threads = rtems_debugger->threads; |
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| 450 | rtems_debugger_thread_stepper* stepper; |
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| 451 | int r; |
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| 452 | /* |
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| 453 | * The resize will automatically extend the block when we are full. The |
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| 454 | * steppers are cleared in suspend by setting the level to 0. |
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| 455 | */ |
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| 456 | r = rtems_debugger_block_resize(&threads->steppers); |
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| 457 | if (r < 0) { |
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| 458 | rtems_debugger_thread_free(threads); |
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| 459 | return -1; |
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| 460 | } |
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| 461 | stepper = rtems_debugger_thread_steppers(threads); |
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| 462 | stepper = &stepper[threads->steppers.level]; |
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| 463 | stepper->thread = thread; |
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| 464 | stepper->start = start; |
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| 465 | stepper->end = end; |
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| 466 | threads->steppers.level++; |
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| 467 | thread->flags |= RTEMS_DEBUGGER_THREAD_FLAG_STEPPING; |
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| 468 | return 0; |
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| 469 | } |
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| 470 | |
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| 471 | const rtems_debugger_thread_stepper* |
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| 472 | rtems_debugger_thread_is_stepping(rtems_id id, DB_UINT pc) |
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| 473 | { |
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| 474 | /* add lock */ |
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| 475 | rtems_debugger_threads* threads = rtems_debugger->threads; |
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| 476 | rtems_debugger_thread_stepper* stepper; |
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| 477 | size_t i; |
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| 478 | stepper = rtems_debugger_thread_steppers(threads); |
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| 479 | for (i = 0; i < threads->steppers.level; ++i, ++stepper) { |
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| 480 | if (stepper->thread->id == id) { |
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| 481 | if (pc == stepper->start || (pc > stepper->start && pc < stepper->end)) |
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| 482 | return stepper; |
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| 483 | break; |
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| 484 | } |
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| 485 | } |
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| 486 | return NULL; |
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| 487 | } |
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| 488 | |
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| 489 | int |
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| 490 | rtems_debugger_thread_current_priority(rtems_debugger_thread* thread) |
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| 491 | { |
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| 492 | return _Thread_Get_priority(thread->tcb); |
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| 493 | } |
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| 494 | |
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| 495 | int |
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| 496 | rtems_debugger_thread_real_priority(rtems_debugger_thread* thread) |
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| 497 | { |
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| 498 | return thread->tcb->Real_priority.priority; |
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| 499 | } |
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| 500 | |
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| 501 | int |
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| 502 | rtems_debugger_thread_state(rtems_debugger_thread* thread) |
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| 503 | { |
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| 504 | return thread->tcb->current_state; |
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| 505 | } |
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| 506 | |
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| 507 | int |
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| 508 | rtems_debugger_thread_state_str(rtems_debugger_thread* thread, |
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| 509 | char* buffer, |
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| 510 | size_t size) |
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| 511 | { |
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| 512 | struct mapper { |
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| 513 | const char const* label; |
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| 514 | DB_UINT mask; |
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| 515 | }; |
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| 516 | const struct mapper map[] = { |
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| 517 | { "DELAY", STATES_DELAYING }, |
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| 518 | { "DORM", STATES_DORMANT }, |
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| 519 | { "LIFE", STATES_LIFE_IS_CHANGING }, |
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| 520 | { "SUSP", STATES_SUSPENDED }, |
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| 521 | { "Wbar", STATES_WAITING_FOR_BARRIER }, |
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| 522 | { "Wbuf", STATES_WAITING_FOR_BUFFER }, |
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| 523 | { "Wcvar", STATES_WAITING_FOR_CONDITION_VARIABLE }, |
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| 524 | { "Wevnt", STATES_WAITING_FOR_EVENT }, |
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| 525 | { "Wisig", STATES_INTERRUPTIBLE_BY_SIGNAL }, |
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| 526 | { "Wjatx", STATES_WAITING_FOR_JOIN_AT_EXIT }, |
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| 527 | { "Wjoin", STATES_WAITING_FOR_JOIN }, |
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| 528 | { "Wmsg" , STATES_WAITING_FOR_MESSAGE }, |
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| 529 | { "Wmutex", STATES_WAITING_FOR_MUTEX }, |
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| 530 | { "WRATE", STATES_WAITING_FOR_PERIOD }, |
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| 531 | { "Wrpc", STATES_WAITING_FOR_RPC_REPLY }, |
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| 532 | { "Wrwlk", STATES_WAITING_FOR_RWLOCK }, |
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| 533 | { "Wseg", STATES_WAITING_FOR_SEGMENT }, |
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| 534 | { "Wsem", STATES_WAITING_FOR_SEMAPHORE }, |
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| 535 | { "Wsig", STATES_WAITING_FOR_SIGNAL }, |
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| 536 | { "Wslcnd", STATES_WAITING_FOR_SYS_LOCK_CONDITION }, |
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| 537 | { "Wslftx", STATES_WAITING_FOR_SYS_LOCK_FUTEX }, |
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| 538 | { "Wslmtx", STATES_WAITING_FOR_SYS_LOCK_MUTEX }, |
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| 539 | { "Wslsem", STATES_WAITING_FOR_SYS_LOCK_SEMAPHORE }, |
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| 540 | { "Wsysev", STATES_WAITING_FOR_SYSTEM_EVENT }, |
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| 541 | { "Wtime", STATES_WAITING_FOR_TIME }, |
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| 542 | { "Wwkup", STATES_WAITING_FOR_BSD_WAKEUP }, |
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| 543 | { "ZOMBI", STATES_ZOMBIE }, |
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| 544 | }; |
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| 545 | DB_UINT state = thread->tcb->current_state; |
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| 546 | if (state == STATES_READY) { |
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| 547 | strcpy(buffer, "READY"); |
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| 548 | } |
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| 549 | else { |
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| 550 | char* start = buffer; |
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| 551 | size_t i; |
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| 552 | buffer[0] = '\0'; |
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| 553 | buffer[size - 1] = '\0'; |
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| 554 | for (i = 0; size > 0 && i < RTEMS_DEBUGGER_NUMOF(map); ++i) { |
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| 555 | if ((map[i].mask & state) != 0) { |
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| 556 | size_t l = snprintf(buffer, size - 1, "%s ", map[i].label); |
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| 557 | buffer += l; |
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| 558 | size -= l; |
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| 559 | } |
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| 560 | } |
---|
| 561 | if (buffer != start) |
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| 562 | *(buffer - 1) = '\0'; |
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| 563 | } |
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| 564 | return 0; |
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| 565 | } |
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| 566 | |
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| 567 | unsigned long |
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| 568 | rtems_debugger_thread_stack_size(rtems_debugger_thread* thread) |
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| 569 | { |
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| 570 | return thread->tcb->Start.Initial_stack.size; |
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| 571 | } |
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| 572 | |
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| 573 | void* |
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| 574 | rtems_debugger_thread_stack_area(rtems_debugger_thread* thread) |
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| 575 | { |
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| 576 | return thread->tcb->Start.Initial_stack.area; |
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| 577 | } |
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