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platform.stack-dump-enabled feature is added.

pull/11332/head
Andrew Chong 2019-06-26 15:28:19 +08:00
parent 57ed4f36fa
commit 50daa7e40f
2 changed files with 44 additions and 0 deletions
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6
platform/mbed_lib.json
View File

@ -90,6 +90,12 @@
"value": null
},
"stack-dump-enabled": {
"macro_name": "MBED_STACK_DUMP_ENABLED",
"help": "Set to 1 or true to enable stack dump.",
"value": null
},
"cpu-stats-enabled": {
"macro_name": "MBED_CPU_STATS_ENABLED",
"help": "Set to 1 to enable cpu stats. When enabled the function mbed_stats_cpu_get returns non-zero data. See mbed_stats.h for more information",

38
platform/source/mbed_error.c
View File

@ -575,6 +575,44 @@ static void print_error_report(const mbed_error_ctx *ctx, const char *error_msg,
mbed_stats_sys_get(&sys_stats);
mbed_error_printf("\nFor more info, visit: https://mbed.com/s/error?error=0x%08X&osver=%" PRId32 "&core=0x%08" PRIX32 "&comp=%d&ver=%" PRIu32 "&tgt=" GET_TARGET_NAME(TARGET_NAME), ctx->error_status, sys_stats.os_version, sys_stats.cpu_id, sys_stats.compiler_id, sys_stats.compiler_version);
#endif
#if MBED_STACK_DUMP_ENABLED && defined(MBED_CONF_RTOS_PRESENT)
/** The internal threshold to detect the end of the stack.
* The stack is filled with osRtxStackFillPattern at the end.
* However, it is possible that the call stack parameters can theoretically have consecutive osRtxStackFillPattern instances.
* For the best effort stack end detection, we will consider STACK_END_MARK_CNT consecutive osRtxStackFillPattern instances as the stack end. */
#define STACK_END_MARK_CNT 3
#define STACK_DUMP_WIDTH 8
mbed_error_printf("\n\nStack Dump:");
// Find the stack end.
int stack_end_cnt = 0;
uint32_t st_end = ctx->thread_current_sp;
for (; st_end >= ctx->thread_stack_mem; st_end -= sizeof(int)) {
uint32_t st_val = *((uint32_t *)st_end);
if (st_val == osRtxStackFillPattern) {
stack_end_cnt++;
} else {
stack_end_cnt = 0;
}
if (stack_end_cnt >= STACK_END_MARK_CNT) {
st_end += (STACK_END_MARK_CNT - 1) * sizeof(int);
break;
}
}
for (uint32_t st = st_end; st <= ctx->thread_current_sp; st += sizeof(int) * STACK_DUMP_WIDTH) {
mbed_error_printf("\n0x%08" PRIX32 ":", st);
for (int i = 0; i < STACK_DUMP_WIDTH; i++) {
uint32_t st_cur = st + i * sizeof(int);
if (st_cur > ctx->thread_current_sp) {
break;
}
uint32_t st_val = *((uint32_t *)st_cur);
mbed_error_printf("0x%08" PRIX32 " ", st_val);
}
}
mbed_error_printf("\n");
#endif // MBED_STACK_DUMP_ENABLED
mbed_error_printf("\n-- MbedOS Error Info --\n");
}
#endif //ifndef NDEBUG