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gcov: added dbg stub capabilites and magic number entry to keep backward compatible

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This commit is contained in:
Erhan Kurubas 2021-05-16 18:51:28 +03:00 committed by bot
parent 85e1258178
commit bbf919709f
3 changed files with 38 additions and 7 deletions
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6
components/app_trace/gcov/gcov_rtio.c
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@ -106,7 +106,7 @@ static int esp_dbg_stub_gcov_dump_do(void)
}
/**
* @brief Triggers gcov info dump.
* @brief Triggers gcov info dump task
* This function is to be called by OpenOCD, not by normal user code.
* TODO: what about interrupted flash access (when cache disabled)???
*
@ -114,11 +114,13 @@ static int esp_dbg_stub_gcov_dump_do(void)
*/
static int esp_dbg_stub_gcov_entry(void)
{
return esp_dbg_stub_gcov_dump_do();
s_do_dump = true;
return ESP_OK;
}
int gcov_rtio_atexit(void (*function)(void) __attribute__ ((unused)))
{
uint32_t capabilities = 0;
ESP_EARLY_LOGV(TAG, "%s", __FUNCTION__);
esp_dbg_stub_entry_set(ESP_DBG_STUB_ENTRY_GCOV, (uint32_t)&esp_dbg_stub_gcov_entry);
return 0;

12
components/esp_system/dbg_stubs.c
View File

@ -75,6 +75,7 @@ void esp_dbg_stubs_init(void)
s_dbg_stubs_ctl_data.data_alloc = (uint32_t)esp_dbg_stubs_data_alloc;
s_dbg_stubs_ctl_data.data_free = (uint32_t)esp_dbg_stubs_data_free;
s_stub_entry[ESP_DBG_STUB_MAGIC_NUM] = ESP_DBG_STUB_MAGIC_NUM_VAL;
s_stub_entry[ESP_DBG_STUB_CONTROL_DATA] = (uint32_t)&s_dbg_stubs_ctl_data;
eri_write(ESP_DBG_STUBS_TRAX_REG, (uint32_t)s_stub_entry);
ESP_LOGV(TAG, "%s stubs %x", __func__, eri_read(ESP_DBG_STUBS_TRAX_REG));
@ -91,4 +92,15 @@ esp_err_t esp_dbg_stub_entry_set(esp_dbg_stub_id_t id, uint32_t entry)
return ESP_OK;
}
esp_err_t esp_dbg_stub_entry_get(esp_dbg_stub_id_t id, uint32_t *entry)
{
if (id < ESP_DBG_STUB_ENTRY_FIRST || id >= ESP_DBG_STUB_ENTRY_MAX) {
ESP_LOGE(TAG, "Invalid stub id %d!", id);
return ESP_ERR_INVALID_ARG;
}
*entry = s_stub_entry[id];
return ESP_OK;
}
#endif

21
components/esp_system/include/esp_private/dbg_stubs.h
View File

@ -24,13 +24,18 @@ extern "C" {
* Debug stubs entries IDs
*/
typedef enum {
ESP_DBG_STUB_MAGIC_NUM,
ESP_DBG_STUB_CONTROL_DATA, ///< stubs descriptor entry
ESP_DBG_STUB_ENTRY_FIRST,
ESP_DBG_STUB_ENTRY_GCOV ///< GCOV entry
= ESP_DBG_STUB_ENTRY_FIRST,
ESP_DBG_STUB_CAPABILITIES,
ESP_DBG_STUB_ENTRY_MAX
} esp_dbg_stub_id_t;
#define ESP_DBG_STUB_MAGIC_NUM_VAL 0xFEEDBEEF
#define ESP_DBG_STUB_CAP_GCOV_TASK (1 << 0)
/**
* @brief Initializes debug stubs.
*
@ -45,12 +50,24 @@ void esp_dbg_stubs_init(void);
*
* @param id Stub ID.
* @param entry Stub entry. Usually it is stub entry function address,
* but can be any value meaningfull for OpenOCD command/code.
*
* but can be any value meaningfull for OpenOCD command/code
* such as capabilities
* @return ESP_OK on success, otherwise see esp_err_t
*/
esp_err_t esp_dbg_stub_entry_set(esp_dbg_stub_id_t id, uint32_t entry);
/**
* @brief Retrives the corresponding stub entry
*
* @param id Stub ID.
* @param entry Stub entry. Usually it is stub entry function address,
* but can be any value meaningfull for OpenOCD command/code
* such as capabilities
*
* @return ESP_OK on success, otherwise see esp_err_t
*/
esp_err_t esp_dbg_stub_entry_get(esp_dbg_stub_id_t id, uint32_t *entry);
#ifdef __cplusplus
}
#endif