Subversion Repositories HelenOS

Rev

Rev 2937 | Rev 2939 | Go to most recent revision | Blame | Compare with Previous | Last modification | View Log | Download | RSS feed

  1. /*
  2.  * Copyright (c) 2008 Jiri Svoboda
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms, with or without
  6.  * modification, are permitted provided that the following conditions
  7.  * are met:
  8.  *
  9.  * - Redistributions of source code must retain the above copyright
  10.  *   notice, this list of conditions and the following disclaimer.
  11.  * - Redistributions in binary form must reproduce the above copyright
  12.  *   notice, this list of conditions and the following disclaimer in the
  13.  *   documentation and/or other materials provided with the distribution.
  14.  * - The name of the author may not be used to endorse or promote products
  15.  *   derived from this software without specific prior written permission.
  16.  *
  17.  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18.  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19.  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20.  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21.  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22.  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23.  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24.  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25.  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26.  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27.  */
  28.  
  29. /** @addtogroup debug
  30.  * @{
  31.  */
  32. /** @file
  33.  */
  34.  
  35. #include <stdio.h>
  36. #include <stdlib.h>
  37. #include <string.h>
  38. #include <bool.h>
  39. #include <udebug.h>
  40. #include <sys/types.h>
  41.  
  42. #include "main.h"
  43. #include "cons.h"
  44. #include "dthread.h"
  45. #include "include/arch.h"
  46. #include "cmd.h"
  47.  
  48. static void cmd_break(int argc, char *argv[]);
  49. static void cmd_ct(int argc, char *argv[]);
  50. static void cmd_go(int argc, char *argv[]);
  51. void        cmd_help(int argc, char *argv[]);
  52. static void cmd_pwt(int argc, char *argv[]);
  53. static void cmd_read(int argc, char *argv[]);
  54. static void cmd_step(int argc, char *argv[]);
  55. static void cmd_threads(int argc, char *argv[]);
  56. static void cmd_quit(int argc, char *argv[]);
  57.  
  58. volatile bool quit = false;
  59.  
  60. cmd_desc_t cmd_table[] = {
  61.     { 1,    "break",    cmd_break },
  62.     { 1,    "ct",       cmd_ct },
  63.     { 0,    "go",       cmd_go },
  64.     { 0,    "help",     cmd_help },
  65.     { 0,    "pwt",      cmd_pwt },
  66.     { 2,    "read",     cmd_read },
  67.     { 0,    "threads",  cmd_threads },
  68.     { 0,    "quit",     cmd_quit },
  69.     { -1,   NULL,       NULL }
  70. };
  71.  
  72. static void cmd_break(int argc, char *argv[])
  73. {
  74.     uintptr_t addr;
  75.  
  76.     (void)argc;
  77.     addr = strtoul(argv[1], NULL, 0);
  78.  
  79.     cons_printf("You requested a breakpoint at 0x%x\n", addr);
  80.     arch_breakpoint_add(addr);
  81. }
  82.  
  83. static void cmd_ct(int argc, char *argv[])
  84. {
  85.     int tid;
  86.  
  87.     link_t *cur;
  88.     dthread_t *dt;
  89.  
  90.     (void)argc;
  91.     tid = strtoul(argv[1], NULL, 0);
  92.  
  93.     dt = NULL;
  94.     for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
  95.         dt = list_get_instance(cur, dthread_t, link);
  96.         if (dt->id == tid) break;
  97.     }
  98.    
  99.     if (dt->id == tid) {
  100.         cwt = dt;
  101.         cons_printf("changed working thread to: %d [hash 0x%x]\n",
  102.             cwt->id, cwt->hash);
  103.     } else {
  104.         cons_printf("no such thread\n");
  105.     }
  106. }
  107.  
  108.  
  109. void cmd_go(int argc, char *argv[])
  110. {
  111.     fcv_broadcast(&go_cv);
  112. }
  113.  
  114. void cmd_help(int argc, char *argv[])
  115. {
  116.     int i;
  117.  
  118.     (void)argc; (void)argv;
  119.     i = 0;
  120.     while (cmd_table[i].name != NULL) {
  121.         cons_printf("%s\n", cmd_table[i].name);
  122.         ++i;
  123.     }
  124. }
  125.  
  126. #define BYTES_PER_LINE 16
  127.  
  128. static void cmd_read(int argc, char *argv[])
  129. {
  130.     uintptr_t addr;
  131.     size_t length;
  132.     uint8_t buf[BYTES_PER_LINE];
  133.     int to_read, i;
  134.     int rc;
  135.  
  136.     (void)argc;
  137.     addr = strtoul(argv[1], NULL, 0);
  138.     length = strtoul(argv[2], NULL, 0);
  139.  
  140.     while (length > 0) {
  141.         to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE;
  142.  
  143.         rc = udebug_mem_read(app_phone, buf, addr, to_read);
  144.         if (rc < 0) {
  145.             cons_printf("error %d\n", rc);
  146.             return;
  147.         }
  148.  
  149.         cons_printf("0x%x:", addr);
  150.         for (i = 0; i < to_read; ++i) {
  151.             cons_printf(" %02x", buf[i]);
  152.         }
  153.         for (i = to_read; i < BYTES_PER_LINE; ++i) {
  154.             cons_printf("   ");
  155.         }
  156.  
  157.         putchar ('\t');
  158.  
  159.         for (i = 0; i < to_read; ++i) {
  160.             if (buf[i] >= 32 && buf[i] < 127)
  161.                 putchar(buf[i]);
  162.             else
  163.                 putchar('.');
  164.         }
  165.         cons_printf("\n");
  166.  
  167.         addr += to_read;
  168.         length -= to_read;
  169.     }
  170. }
  171.  
  172. void cmd_step(int argc, char *argv[])
  173. {
  174.     fcv_broadcast(&go_cv);
  175. }
  176.  
  177. void cmd_pwt(int argc, char *argv[])
  178. {
  179.     (void)argc; (void)argv;
  180.  
  181.     cons_printf("working thread: %d [hash 0x%x]\n", cwt->id, cwt->hash);
  182. }
  183.  
  184. void cmd_threads(int argc, char *argv[])
  185. {
  186.     link_t *cur;
  187.     dthread_t *dt;
  188.  
  189.     (void)argc;
  190.  
  191.     dt = NULL;
  192.     for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
  193.         dt = list_get_instance(cur, dthread_t, link);
  194.         cons_printf("%d [hash 0x%x]\n", dt->id, dt->hash);
  195.     }  
  196. }
  197.  
  198.  
  199. static void cmd_quit(int argc, char *argv[])
  200. {
  201.     (void)argc; (void)argv;
  202.     quit = true;
  203. }
  204.  
  205. /** @}
  206.  */
  207.