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esp32: Adds GCOV debug stubs support

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Adds the following functionality
 - Debug stubs infrastructure
 - Stub for retrieveing GCOV data without user source code modification
This commit is contained in:
Alexey Gerenkov
2018-02-15 20:09:03 +03:00
parent f885e8b8de
commit c1b6a37bb1
10 changed files with 437 additions and 73 deletions
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25
examples/system/gcov/main/gcov_example.c
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@@ -20,9 +20,11 @@
void blink_dummy_func(void);
void blink_task(void *pvParameter)
static void blink_task(void *pvParameter)
{
int dump_gcov_after = 2;
// The first two iterations GCOV data are dumped using call to esp_gcov_dump() and OOCD's "esp32 gcov dump" command.
// After that they can be dumped using OOCD's "esp32 gcov" command only.
int dump_gcov_after = -2;
/* Configure the IOMUX register for pad BLINK_GPIO (some pads are
muxed to GPIO on reset already, but some default to other
functions and need to be switched to GPIO. Consult the
@@ -32,21 +34,22 @@ void blink_task(void *pvParameter)
gpio_pad_select_gpio(BLINK_GPIO);
/* Set the GPIO as a push/pull output */
gpio_set_direction(BLINK_GPIO, GPIO_MODE_OUTPUT);
while(dump_gcov_after-- > 0) {
while(1) {
/* Blink off (output low) */
gpio_set_level(BLINK_GPIO, 0);
vTaskDelay(1000 / portTICK_PERIOD_MS);
vTaskDelay(500 / portTICK_PERIOD_MS);
/* Blink on (output high) */
gpio_set_level(BLINK_GPIO, 1);
vTaskDelay(1000 / portTICK_PERIOD_MS);
vTaskDelay(500 / portTICK_PERIOD_MS);
blink_dummy_func();
if (dump_gcov_after++ < 0) {
// Dump gcov data
printf("Ready to dump GCOV data...\n");
esp_gcov_dump();
printf("GCOV data have been dumped.\n");
}
}
// Dump gcov data
printf("Ready to dump GCOV data...\n");
esp_gcov_dump();
printf("GCOV data have been dumped.\n");
while(1);
}
void app_main()