mirror of
https://github.com/espressif/esp-idf.git
synced 2025-10-25 11:23:22 +00:00
66fb5a29bb
Apply the pre-commit hook whitespace fixes to all files in the repo. (Line endings, blank lines at end of file, trailing whitespace)
151 lines
4.4 KiB
C
151 lines
4.4 KiB
C
// Copyright 2015-2019 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// 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.
|
|
|
|
#pragma once
|
|
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
#include <stdbool.h>
|
|
|
|
#include "esp_gdbstub.h"
|
|
#include "sdkconfig.h"
|
|
|
|
#ifdef CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/task.h"
|
|
#endif // CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
|
|
|
|
/* Internal error codes used by the routines that parse the incoming gdb packet */
|
|
#define GDBSTUB_ST_ENDPACKET -1
|
|
#define GDBSTUB_ST_ERR -2
|
|
#define GDBSTUB_ST_OK -3
|
|
|
|
/* Special task index values */
|
|
#define GDBSTUB_CUR_TASK_INDEX_UNKNOWN -1
|
|
|
|
/* Cab be set to a lower value in gdbstub_target_config.h */
|
|
#ifndef GDBSTUB_CMD_BUFLEN
|
|
#define GDBSTUB_CMD_BUFLEN 512
|
|
#endif
|
|
|
|
#if CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
|
|
typedef enum {
|
|
GDBSTUB_NOT_STARTED,
|
|
GDBSTUB_STARTED,
|
|
GDBSTUB_TASK_SUPPORT_DISABLED
|
|
} esp_gdbstub_state_t;
|
|
|
|
#define GDBSTUB_TASKS_NUM CONFIG_ESP_GDBSTUB_MAX_TASKS
|
|
|
|
#endif // CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
|
|
|
|
/* gdbstub temporary run-time data, stored in .bss to reduce stack usage */
|
|
typedef struct {
|
|
esp_gdbstub_gdb_regfile_t regfile;
|
|
int signal;
|
|
#if CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
|
|
esp_gdbstub_state_t state;
|
|
int task_count;
|
|
int paniced_task_index;
|
|
int current_task_index;
|
|
int thread_info_index; //!< index of the last task passed to qsThreadInfo
|
|
esp_gdbstub_frame_t paniced_frame;
|
|
TaskSnapshot_t tasks[GDBSTUB_TASKS_NUM]; // TODO: add an API to get snapshots one by one
|
|
#endif // CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
|
|
} esp_gdbstub_scratch_t;
|
|
|
|
|
|
/**** Functions provided by the architecture specific part ****/
|
|
|
|
/**
|
|
* @param frame exception frame pointer
|
|
* @return the appropriate "signal" number for the given exception cause
|
|
*/
|
|
int esp_gdbstub_get_signal(const esp_gdbstub_frame_t *frame);
|
|
|
|
/**
|
|
* Write registers from the exception frame to the GDB register file
|
|
* @param frame exception frame to parse
|
|
* @param dst pointer to the GDB register file
|
|
*/
|
|
void esp_gdbstub_frame_to_regfile(const esp_gdbstub_frame_t *frame, esp_gdbstub_gdb_regfile_t *dst);
|
|
|
|
#if CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
|
|
/**
|
|
* Write registers from the saved frame of a given task to the GDB register file
|
|
* @param tcb pointer to the TCB of the task
|
|
* @param dst pointer to the GDB register file
|
|
*/
|
|
void esp_gdbstub_tcb_to_regfile(TaskHandle_t tcb, esp_gdbstub_gdb_regfile_t *dst);
|
|
#endif // CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
|
|
|
|
|
|
|
|
/**** Functions provided by the target specific part ****/
|
|
|
|
/**
|
|
* Do target-specific initialization before gdbstub can start communicating.
|
|
* This may involve, for example, configuring the UART.
|
|
*/
|
|
void esp_gdbstub_target_init(void);
|
|
|
|
/**
|
|
* Receive a byte from the GDB client. Blocks until a byte is available.
|
|
* @return received byte
|
|
*/
|
|
int esp_gdbstub_getchar(void);
|
|
|
|
/**
|
|
* Send a byte to the GDB client
|
|
* @param c byte to send
|
|
*/
|
|
void esp_gdbstub_putchar(int c);
|
|
|
|
/**
|
|
* Read a byte from target memory
|
|
* @param ptr address
|
|
* @return byte value, or GDBSTUB_ST_ERR if the address is not readable
|
|
*/
|
|
int esp_gdbstub_readmem(intptr_t addr);
|
|
|
|
|
|
/**** GDB packet related functions ****/
|
|
|
|
/** Begin a packet */
|
|
void esp_gdbstub_send_start(void);
|
|
|
|
/** Send a character as part of the packet */
|
|
void esp_gdbstub_send_char(char c);
|
|
|
|
/** Send a string as part of the packet */
|
|
void esp_gdbstub_send_str(const char *s);
|
|
|
|
/** Send a hex value as part of the packet */
|
|
void esp_gdbstub_send_hex(int val, int bits);
|
|
|
|
/** Finish sending the packet */
|
|
void esp_gdbstub_send_end(void);
|
|
|
|
/** Send a packet with a string as content */
|
|
void esp_gdbstub_send_str_packet(const char* str);
|
|
|
|
/** Get a hex value from the gdb packet */
|
|
uint32_t esp_gdbstub_gethex(const unsigned char **ptr, int bits);
|
|
|
|
/** Read, unescape, and validate the incoming GDB command */
|
|
int esp_gdbstub_read_command(unsigned char **out_cmd, size_t *out_size);
|
|
|
|
/** Handle a command received from gdb */
|
|
int esp_gdbstub_handle_command(unsigned char *cmd, int len);
|