zephyr/include/debug/coredump.h

145 lines
3.0 KiB
C

/*
* Copyright (c) 2020 Intel Corporation.
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_DEBUG_COREDUMP_H_
#define ZEPHYR_INCLUDE_DEBUG_COREDUMP_H_
#ifdef CONFIG_DEBUG_COREDUMP
#include <toolchain.h>
#include <arch/cpu.h>
#include <sys/byteorder.h>
#define Z_COREDUMP_HDR_VER 1
#define Z_COREDUMP_ARCH_HDR_ID 'A'
#define Z_COREDUMP_MEM_HDR_ID 'M'
#define Z_COREDUMP_MEM_HDR_VER 1
/* Target code */
enum z_coredump_tgt_code {
COREDUMP_TGT_UNKNOWN = 0,
COREDUMP_TGT_X86,
COREDUMP_TGT_X86_64,
COREDUMP_TGT_ARM_CORTEX_M,
};
/* Coredump header */
struct z_coredump_hdr_t {
/* 'Z', 'E' */
char id[2];
/* Header version */
uint16_t hdr_version;
/* Target code */
uint16_t tgt_code;
/* Pointer size in Log2 */
uint8_t ptr_size_bits;
uint8_t flag;
/* Coredump Reason given */
unsigned int reason;
} __packed;
/* Architecture-specific block header */
struct z_coredump_arch_hdr_t {
/* Z_COREDUMP_ARCH_HDR_ID */
char id;
/* Header version */
uint16_t hdr_version;
/* Number of bytes in this block (excluding header) */
uint16_t num_bytes;
} __packed;
/* Memory block header */
struct z_coredump_mem_hdr_t {
/* Z_COREDUMP_MEM_HDR_ID */
char id;
/* Header version */
uint16_t hdr_version;
/* Address of start of memory region */
uintptr_t start;
/* Address of end of memory region */
uintptr_t end;
} __packed;
void z_coredump(unsigned int reason, const z_arch_esf_t *esf,
struct k_thread *thread);
void z_coredump_memory_dump(uintptr_t start_addr, uintptr_t end_addr);
int z_coredump_buffer_output(uint8_t *buf, size_t buflen);
#else
void z_coredump(unsigned int reason, const z_arch_esf_t *esf,
struct k_thread *thread)
{
}
void z_coredump_memory_dump(uintptr_t start_addr, uintptr_t end_addr)
{
}
int z_coredump_buffer_output(uint8_t *buf, size_t buflen)
{
return 0;
}
#endif /* CONFIG_DEBUG_COREDUMP */
/**
* @defgroup coredump_apis Coredump APIs
* @brief Coredump APIs
* @{
*/
/**
* @fn void z_coredump(unsigned int reason, const z_arch_esf_t *esf, struct k_thread *thread);
* @brief Perform coredump.
*
* Normally, this is called inside z_fatal_error() to generate coredump
* when a fatal error is encountered. This can also be called on demand
* whenever a coredump is desired.
*
* @param reason Reason for the fatal error
* @param esf Exception context
* @param thread Thread information to dump
*/
/**
* @fn void z_coredump_memory_dump(uintptr_t start_addr, uintptr_t end_addr);
* @brief Dump memory region
*
* @param start_addr Start address of memory region to be dumped
* @param emd_addr End address of memory region to be dumped
*/
/**
* @fn int z_coredump_buffer_output(uint8_t *buf, size_t buflen);
* @brief Output the buffer via coredump
*
* This outputs the buffer of byte array to the coredump backend.
* For example, this can be called to output the coredump section
* containing registers, or a section for memory dump.
*
* @param buf Buffer to be send to coredump output
* @param buflen Buffer length
*/
/**
* @}
*/
#endif /* ZEPHYR_INCLUDE_DEBUG_COREDUMP_H_ */