/*
* Copyright (c) 2008 Jiri Svoboda
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup debug
* @{
*/
/** @file
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <bool.h>
#include <udebug.h>
#include <sys/types.h>
#include "main.h"
#include "cons.h"
#include "dthread.h"
#include "include/arch.h"
#include "cmd.h"
static void cmd_break(int argc, char *argv[]);
static void cmd_ct(int argc, char *argv[]);
static void cmd_dbreak(int argc, char *argv[]);
static void cmd_go(int argc, char *argv[]);
static void cmd_istep(int argc, char *argv[]);
static void cmd_lbrk(int argc, char *argv[]);
void cmd_help(int argc, char *argv[]);
static void cmd_memr(int argc, char *argv[]);
static void cmd_pwt(int argc, char *argv[]);
static void cmd_regs(int argc, char *argv[]);
static void cmd_stop(int argc, char *argv[]);
static void cmd_threads(int argc, char *argv[]);
static void cmd_quit(int argc, char *argv[]);
volatile bool quit = false;
cmd_desc_t cmd_table[] = {
{ 1, "break", cmd_break },
{ 1, "ct", cmd_ct },
{ 1, "dbreak", cmd_dbreak },
{ 0, "go", cmd_go },
{ 0, "help", cmd_help },
{ 2, "memr", cmd_memr },
{ 0, "pwt", cmd_pwt },
{ 0, "regs", cmd_regs },
{ 0 , "stop", cmd_stop },
{ 0, "istep", cmd_istep },
{ 0, "lbrk", cmd_lbrk },
{ 0, "threads", cmd_threads },
{ 0, "quit", cmd_quit },
{ -1, NULL, NULL }
};
static void cmd_break(int argc, char *argv[])
{
uintptr_t addr;
(void)argc;
cons_printf("You requested a breakpoint at 0x%x\n", addr);
arch_breakpoint_add(addr);
}
static void cmd_ct(int argc, char *argv[])
{
int tid;
link_t *cur;
dthread_t *dt;
(void)argc;
dt = NULL;
for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
dt = list_get_instance(cur, dthread_t, link);
if (dt->id == tid) break;
}
if (dt->id == tid) {
cwt = dt;
cons_printf("changed working thread to: %d [hash 0x%x]\n",
cwt->id, cwt->hash);
} else {
cons_printf("no such thread\n");
}
}
static void cmd_dbreak(int argc, char *argv[])
{
int bid;
(void)argc;
printf("remove breakpoint %d\n", bid
);
arch_breakpoint_remove(bid);
}
void cmd_go(int argc, char *argv[])
{
link_t *cur;
dthread_t *dt;
(void)argc; (void)argv;
dt = NULL;
for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
dt = list_get_instance(cur, dthread_t, link);
arch_set_singlestep(dt, 0);
dthread_resume(dt);
}
}
void cmd_help(int argc, char *argv[])
{
int i;
(void)argc; (void)argv;
i = 0;
while (cmd_table[i].name != NULL) {
cons_printf("%s\n", cmd_table[i].name);
++i;
}
}
void cmd_istep(int argc, char *argv[])
{
(void)argc; (void)argv;
arch_set_singlestep(cwt, 1);
dthread_resume(cwt);
}
static void cmd_lbrk(int argc, char *argv[])
{
(void)argc; (void)argv;
arch_breakpoint_list();
}
#define BYTES_PER_LINE 16
static void cmd_memr(int argc, char *argv[])
{
uintptr_t addr;
size_t length;
uint8_t buf[BYTES_PER_LINE];
int to_read, i;
int rc;
(void)argc;
length
= strtoul(argv
[2], NULL
, 0);
while (length > 0) {
to_read = length < BYTES_PER_LINE ? length : BYTES_PER_LINE;
rc = udebug_mem_read(app_phone, buf, addr, to_read);
if (rc < 0) {
cons_printf("error %d\n", rc);
return;
}
cons_printf("0x%x:", addr);
for (i = 0; i < to_read; ++i) {
cons_printf(" %02x", buf[i]);
}
for (i = to_read; i < BYTES_PER_LINE; ++i) {
cons_printf(" ");
}
for (i = 0; i < to_read; ++i) {
if (buf[i] >= 32 && buf[i] < 127)
else
}
cons_printf("\n");
addr += to_read;
length -= to_read;
}
}
void cmd_pwt(int argc, char *argv[])
{
(void)argc; (void)argv;
cons_printf("working thread: %d [hash 0x%x]\n", cwt->id, cwt->hash);
}
void cmd_regs(int argc, char *argv[])
{
(void)argc; (void)argv;
if (cwt) arch_dump_regs(cwt->hash);
}
void cmd_stop(int argc, char *argv[])
{
link_t *cur;
dthread_t *dt;
int rc;
(void)argc; (void)argv;
dt = NULL;
for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
dt = list_get_instance(cur, dthread_t, link);
if (!dt->stopped) {
rc = udebug_stop(app_phone, dt->hash);
if (rc < 0) {
printf("failed halting thread %d\n", dt
->id
); }
}
}
}
void cmd_threads(int argc, char *argv[])
{
link_t *cur;
dthread_t *dt;
(void)argc;
dt = NULL;
for (cur = dthreads.next; cur != &dthreads; cur = cur->next) {
dt = list_get_instance(cur, dthread_t, link);
cons_printf("%d [hash 0x%x]\n", dt->id, dt->hash);
}
}
static void cmd_quit(int argc, char *argv[])
{
(void)argc; (void)argv;
quit = true;
}
/** @}
*/