Subversion Repositories HelenOS

Rev

Rev 2943 | Rev 3093 | 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_dbreak(int argc, char *argv[]);
  51. static void cmd_go(int argc, char *argv[]);
  52. static void cmd_istep(int argc, char *argv[]);
  53. static void cmd_lbrk(int argc, char *argv[]);
  54. void        cmd_help(int argc, char *argv[]);
  55. static void cmd_memr(int argc, char *argv[]);
  56. static void cmd_pwt(int argc, char *argv[]);
  57. static void cmd_regs(int argc, char *argv[]);
  58. static void cmd_stop(int argc, char *argv[]);
  59. static void cmd_threads(int argc, char *argv[]);
  60. static void cmd_quit(int argc, char *argv[]);
  61.  
  62. volatile bool quit = false;
  63.  
  64. cmd_desc_t cmd_table[] = {
  65.     { 1,    "break",    cmd_break },
  66.     { 1,    "ct",       cmd_ct },
  67.     { 1,    "dbreak",   cmd_dbreak },
  68.     { 0,    "go",       cmd_go },
  69.     { 0,    "help",     cmd_help },
  70.     { 2,    "memr",     cmd_memr },
  71.     { 0,    "pwt",      cmd_pwt },
  72.     { 0,    "regs",     cmd_regs },
  73.     { 0 ,   "stop",     cmd_stop },
  74.     { 0,    "istep",    cmd_istep },
  75.     { 0,    "lbrk",     cmd_lbrk },
  76.     { 0,    "threads",  cmd_threads },
  77.     { 0,    "quit",     cmd_quit },
  78.     { -1,   NULL,       NULL }
  79. };
  80.  
  81. static void cmd_break(int argc, char *argv[])
  82. {
  83.     uintptr_t addr;
  84.  
  85.     (void)argc;
  86.     addr = strtoul(argv[1], NULL, 0);
  87.  
  88.     cons_printf("You requested a breakpoint at 0x%x\n", addr);
  89.     arch_breakpoint_add(addr);
  90. }
  91.  
  92. static void cmd_ct(int argc, char *argv[])
  93. {
  94.     int tid;
  95.  
  96.     link_t *cur;
  97.     dthread_t *dt;
  98.  
  99.     (void)argc;
  100.     tid = strtoul(argv[1], NULL, 0);
  101.  
  102.     dt = NULL;
  103.     for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
  104.         dt = list_get_instance(cur, dthread_t, link);
  105.         if (dt->id == tid) break;
  106.     }
  107.    
  108.     if (dt->id == tid) {
  109.         cwt = dt;
  110.         cons_printf("changed working thread to: %d [hash 0x%x]\n",
  111.             cwt->id, cwt->hash);
  112.     } else {
  113.         cons_printf("no such thread\n");
  114.     }
  115. }
  116.  
  117. static void cmd_dbreak(int argc, char *argv[])
  118. {
  119.     int bid;
  120.  
  121.     (void)argc;
  122.     bid = strtoul(argv[1], NULL, 0);
  123.  
  124.     printf("remove breakpoint %d\n", bid);
  125.  
  126.     arch_breakpoint_remove(bid);
  127. }
  128.  
  129.  
  130. void cmd_go(int argc, char *argv[])
  131. {
  132.     link_t *cur;
  133.     dthread_t *dt;
  134.  
  135.     (void)argc; (void)argv;
  136.  
  137.     dt = NULL;
  138.     for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
  139.         dt = list_get_instance(cur, dthread_t, link);
  140.         arch_set_singlestep(dt, 0);
  141.         dthread_resume(dt);
  142.     }  
  143. }
  144.  
  145. void cmd_help(int argc, char *argv[])
  146. {
  147.     int i;
  148.  
  149.     (void)argc; (void)argv;
  150.     i = 0;
  151.     while (cmd_table[i].name != NULL) {
  152.         cons_printf("%s\n", cmd_table[i].name);
  153.         ++i;
  154.     }
  155. }
  156.  
  157. void cmd_istep(int argc, char *argv[])
  158. {
  159.     (void)argc; (void)argv;
  160.  
  161.     arch_set_singlestep(cwt, 1);
  162.     dthread_resume(cwt);
  163. }
  164.  
  165. static void cmd_lbrk(int argc, char *argv[])
  166. {
  167.     (void)argc; (void)argv;
  168.  
  169.     arch_breakpoint_list();
  170. }
  171.  
  172.  
  173. #define BYTES_PER_LINE 16
  174.  
  175. static void cmd_memr(int argc, char *argv[])
  176. {
  177.     uintptr_t addr;
  178.     size_t length;
  179.     uint8_t buf[BYTES_PER_LINE];
  180.     int to_read, i;
  181.     int rc;
  182.  
  183.     (void)argc;
  184.     addr = strtoul(argv[1], NULL, 0);
  185.     length = strtoul(argv[2], NULL, 0);
  186.  
  187.     while (length > 0) {
  188.         to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE;
  189.  
  190.         rc = udebug_mem_read(app_phone, buf, addr, to_read);
  191.         if (rc < 0) {
  192.             cons_printf("error %d\n", rc);
  193.             return;
  194.         }
  195.  
  196.         cons_printf("0x%x:", addr);
  197.         for (i = 0; i < to_read; ++i) {
  198.             cons_printf(" %02x", buf[i]);
  199.         }
  200.         for (i = to_read; i < BYTES_PER_LINE; ++i) {
  201.             cons_printf("   ");
  202.         }
  203.  
  204.         putchar ('\t');
  205.  
  206.         for (i = 0; i < to_read; ++i) {
  207.             if (buf[i] >= 32 && buf[i] < 127)
  208.                 putchar(buf[i]);
  209.             else
  210.                 putchar('.');
  211.         }
  212.         cons_printf("\n");
  213.  
  214.         addr += to_read;
  215.         length -= to_read;
  216.     }
  217. }
  218.  
  219. void cmd_pwt(int argc, char *argv[])
  220. {
  221.     (void)argc; (void)argv;
  222.  
  223.     cons_printf("working thread: %d [hash 0x%x]\n", cwt->id, cwt->hash);
  224. }
  225.  
  226. void cmd_regs(int argc, char *argv[])
  227. {
  228.     (void)argc; (void)argv;
  229.  
  230.     if (cwt) arch_dump_regs(cwt->hash);
  231. }
  232.  
  233. void cmd_stop(int argc, char *argv[])
  234. {
  235.     link_t *cur;
  236.     dthread_t *dt;
  237.     int rc;
  238.  
  239.     (void)argc; (void)argv;
  240.  
  241.     dt = NULL;
  242.     for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
  243.         dt = list_get_instance(cur, dthread_t, link);
  244.         if (!dt->stopped) {
  245.             rc = udebug_stop(app_phone, dt->hash);
  246.             if (rc < 0) {
  247.                 printf("failed halting thread %d\n", dt->id);
  248.             }
  249.         }
  250.     }  
  251. }
  252.  
  253.  
  254. void cmd_threads(int argc, char *argv[])
  255. {
  256.     link_t *cur;
  257.     dthread_t *dt;
  258.  
  259.     (void)argc;
  260.  
  261.     dt = NULL;
  262.     for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
  263.         dt = list_get_instance(cur, dthread_t, link);
  264.         cons_printf("%d [hash 0x%x]\n", dt->id, dt->hash);
  265.     }  
  266. }
  267.  
  268.  
  269. static void cmd_quit(int argc, char *argv[])
  270. {
  271.     (void)argc; (void)argv;
  272.     quit = true;
  273. }
  274.  
  275. /** @}
  276.  */
  277.