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feat(newlib): add picolibc support

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This commit is contained in:
Alexey Lapshin
2024-09-26 13:13:20 +07:00
parent 22a38779fb
commit 888b5f7e8d
171 changed files with 8438 additions and 1016 deletions
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72
components/esp_gdbstub/src/gdbstub.c
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@@ -5,6 +5,7 @@
*/
#include <string.h>
#include "sys/reent.h"
#include "esp_gdbstub.h"
#include "esp_gdbstub_common.h"
#include "esp_gdbstub_memory_regions.h"
@@ -21,6 +22,7 @@
#include "hal/wdt_hal.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "sdkconfig.h"
#ifdef CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
static inline int gdb_tid_to_task_index(int tid);
@@ -41,7 +43,6 @@ static bool command_name_matches(const char *pattern, const unsigned char *ucmd,
#endif // (CONFIG_ESP_SYSTEM_GDBSTUB_RUNTIME || CONFIG_ESP_GDBSTUB_SUPPORT_TASKS)
static void send_reason(void);
static char gdb_packet(char *dest_buff, char *src_buff, int len);
esp_gdbstub_scratch_t s_scratch;
esp_gdbstub_gdb_regfile_t *gdb_local_regfile = &s_scratch.regfile;
@@ -237,8 +238,12 @@ void gdbstub_handle_uart_int(esp_gdbstub_frame_t *regs_frame)
if (doDebug) {
process_gdb_kill = false;
/* To enable console output in GDB, we replace the default stdout->_write function */
#if CONFIG_LIBC_NEWLIB
stdout->_write = gdbstub__swrite;
stderr->_write = gdbstub__swrite;
#else
// TODO IDF-11287
#endif
/* Stall other core until GDB exit */
esp_gdbstub_stall_other_cpus_start();
#ifdef CONFIG_ESP_GDBSTUB_SUPPORT_TASKS
@@ -753,8 +758,12 @@ int esp_gdbstub_handle_command(unsigned char *cmd, int len)
} else if (cmd[0] == 'k') {
/* Kill GDB and continue without */
/* By exit from GDB we have to replcae stdout->_write back */
#if CONFIG_LIBC_NEWLIB
stdout->_write = __swrite;
stderr->_write = __swrite;
#else
// TODO IDF-11287
#endif
process_gdb_kill = true;
return GDBSTUB_ST_CONT;
} else if (cmd[0] == 's') {
@@ -784,6 +793,35 @@ int esp_gdbstub_handle_command(unsigned char *cmd, int len)
}
return GDBSTUB_ST_OK;
}
#if CONFIG_LIBC_NEWLIB
/** @brief Convert to ASCI
* Function convert byte value to two ASCI carecters
*/
void gdb_get_asci_char(unsigned char data, char *buff)
{
const char *hex_chars = "0123456789abcdef";
buff[0] = hex_chars[(data >> 4) & 0x0f];
buff[1] = hex_chars[(data) & 0x0f];
}
/** @brief Prepare GDB packet
* Function build GDB asci packet and return checksum
*
* Return checksum
*/
char gdb_packet(char *dest_buff, char *src_buff, int len)
{
char s_chsum = 0;
for (size_t i = 0; i < len; i++) {
gdb_get_asci_char(src_buff[i], &dest_buff[i * 2 + 0]);
}
for (size_t i = 0; i < len * 2; i++) {
s_chsum += dest_buff[i];
}
return s_chsum;
}
/**
* Replace standard __swrite function for GDB
*/
@@ -813,38 +851,12 @@ int gdbstub__swrite(struct _reent *data1, void *data2, const char *buff, int len
}
return len;
}
/** @brief Convert to ASCI
* Function convert byte value to two ASCI carecters
*/
void gdb_get_asci_char(unsigned char data, char *buff)
{
const char *hex_chars = "0123456789abcdef";
buff[0] = hex_chars[(data >> 4) & 0x0f];
buff[1] = hex_chars[(data) & 0x0f];
}
#else
// TODO IDF-11287
#endif // CONFIG_LIBC_NEWLIB
/* Everything below is related to the support for listing FreeRTOS tasks as threads in GDB */
/** @brief Prepare GDB packet
* Function build GDB asci packet and return checksum
*
* Return checksum
*/
char gdb_packet(char *dest_buff, char *src_buff, int len)
{
char s_chsum = 0;
for (size_t i = 0; i < len; i++) {
gdb_get_asci_char(src_buff[i], &dest_buff[i * 2 + 0]);
}
for (size_t i = 0; i < len * 2; i++) {
s_chsum += dest_buff[i];
}
return s_chsum;
}
#if (CONFIG_ESP_SYSTEM_GDBSTUB_RUNTIME || CONFIG_ESP_GDBSTUB_SUPPORT_TASKS)
static bool command_name_matches(const char *pattern, const unsigned char *ucmd, int len)
{