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/* Copyright 2017 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <errno.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <libpdbg.h>
#include "main.h"
#include "mem.h"
static int print_thread_status(struct pdbg_target *target, uint32_t index, uint64_t *arg, uint64_t *unused1)
{
struct thread_state *status = (struct thread_state *) arg;
status[index] = thread_status(target);
return 1;
}
static int print_core_thread_status(struct pdbg_target *core_target, uint32_t index, uint64_t *maxindex, uint64_t *unused1)
{
struct thread_state status[8];
int i, rc;
printf("c%02d: ", index);
/* TODO: This cast is gross. Need to rewrite for_each_child_target as an iterator. */
rc = for_each_child_target("thread", core_target, print_thread_status, (uint64_t *) &status[0], NULL);
for (i = 0; i <= *maxindex; i++) {
if (status[i].active)
printf("A");
else
printf(".");
switch (status[i].sleep_state) {
case PDBG_THREAD_STATE_DOZE:
printf("D");
break;
case PDBG_THREAD_STATE_NAP:
printf("N");
break;
case PDBG_THREAD_STATE_SLEEP:
printf("Z");
break;
case PDBG_THREAD_STATE_STOP:
printf("S");
break;
default:
printf(".");
break;
}
if (status[i].quiesced)
printf("Q");
else
printf(".");
printf(" ");
}
printf("\n");
return rc;
}
static int get_thread_max_index(struct pdbg_target *target, uint32_t index, uint64_t *maxindex, uint64_t *unused)
{
if (index > *maxindex)
*maxindex = index;
return 1;
}
static int get_core_max_threads(struct pdbg_target *core_target, uint32_t index, uint64_t *maxindex, uint64_t *unused1)
{
return for_each_child_target("thread", core_target, get_thread_max_index, maxindex, NULL);
}
static int print_proc_thread_status(struct pdbg_target *pib_target, uint32_t index, uint64_t *unused, uint64_t *unused1)
{
int i;
uint64_t maxindex = 0;
for_each_child_target("core", pib_target, get_core_max_threads, &maxindex, NULL);
printf("\np%01dt:", index);
for (i = 0; i <= maxindex; i++)
printf(" %d", i);
printf("\n");
return for_each_child_target("core", pib_target, print_core_thread_status, &maxindex, NULL);
};
static int start_thread(struct pdbg_target *thread_target, uint32_t index, uint64_t *unused, uint64_t *unused1)
{
return ram_start_thread(thread_target) ? 0 : 1;
}
static int step_thread(struct pdbg_target *thread_target, uint32_t index, uint64_t *count, uint64_t *unused1)
{
return ram_step_thread(thread_target, *count) ? 0 : 1;
}
static int stop_thread(struct pdbg_target *thread_target, uint32_t index, uint64_t *unused, uint64_t *unused1)
{
return ram_stop_thread(thread_target) ? 0 : 1;
}
static int sreset_thread(struct pdbg_target *thread_target, uint32_t index, uint64_t *unused, uint64_t *unused1)
{
return ram_sreset_thread(thread_target) ? 0 : 1;
}
static int state_thread(struct pdbg_target *thread_target, uint32_t index, uint64_t *unused, uint64_t *unused1)
{
struct thread_regs regs;
if (ram_state_thread(thread_target, ®s))
return 0;
dump_stack(®s);
return 1;
}
int thread_start(int optind, int argc, char *argv[])
{
return for_each_target("thread", start_thread, NULL, NULL);
}
int thread_step(int optind, int argc, char *argv[])
{
uint64_t count;
char *endptr;
if (optind + 1 >= argc) {
printf("%s: command '%s' requires a count\n", argv[0], argv[optind]);
return -1;
}
errno = 0;
count = strtoull(argv[optind + 1], &endptr, 0);
if (errno || *endptr != '\0') {
printf("%s: command '%s' couldn't parse count '%s'\n",
argv[0], argv[optind], argv[optind + 1]);
return -1;
}
return for_each_target("thread", step_thread, &count, NULL);
}
int thread_stop(int optind, int argc, char *argv[])
{
return for_each_target("thread", stop_thread, NULL, NULL);
}
int thread_status_print(int optind, int argc, char *argv[])
{
return for_each_target("pib", print_proc_thread_status, NULL, NULL);
}
int thread_sreset(int optind, int argc, char *argv[])
{
return for_each_target("thread", sreset_thread, NULL, NULL);
}
int thread_state(int optind, int argc, char *argv[])
{
int err;
err = for_each_target("thread", state_thread, NULL, NULL);
for_each_target_release("thread");
return err;
}
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