feat(newlib): add picolibc support

components/esp_rom/esp32s2/include/esp32s2/rom/efuse.h

@@ -11,6 +11,7 @@
 extern "C" {
 #endif
 
+#include <stdint.h>
 #include <stdlib.h>
 #include <stdbool.h>
 

components/esp_rom/esp32s2/ld/esp32s2.rom.libc-funcs.ld

@@ -1,3 +1,8 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 /**
  * These are the newlib functions present in ESP32-S2 ROM.
  * See also esp32s2.rom.newlib-data.ld for the list of .data/.bss symbols used by these functions.
@@ -8,24 +13,10 @@
  */
 
 abs = 0x40000618;
-__ascii_mbtowc = 0x40007a04;
-__ascii_wctomb = 0x400018d0;
 PROVIDE ( __assert = 0x4001a430 );
 PROVIDE ( __assert_func = 0x4001a408 );
 bzero = 0x400078c8;
-_cleanup_r = 0x4001a480;
-creat = 0x4000788c;
 div = 0x40000620;
-fclose = 0x4001a804;
-_fclose_r = 0x4001a714;
-fflush = 0x40001bb8;
-_fflush_r = 0x40001b30;
-__fp_unlock_all = 0x4001a64c;
-__fputwc = 0x40001770;
-fputwc = 0x40001864;
-_fputwc_r = 0x400017f8;
-_fwalk = 0x4001bcec;
-_fwalk_reent = 0x4001bd24;
 isalnum = 0x400078d8;
 isalpha = 0x400078e8;
 isascii = 0x4001aaec;
@@ -40,11 +31,7 @@ isspace = 0x400079ac;
 isupper = 0x400079c4;
 labs = 0x40000648;
 ldiv = 0x40000650;
-__locale_ctype_ptr = 0x40001c2c;
-__locale_ctype_ptr_l = 0x40001c24;
-__locale_mb_cur_max = 0x40001c0c;
 longjmp = 0x400005a4;
-_mbtowc_r = 0x400079e0;
 memccpy = 0x4001ab00;
 memchr = 0x4001ab24;
 memcmp = 0x4001ab40;
@@ -52,35 +39,14 @@ memcpy = 0x4001aba8;
 memmove = 0x4001acb0;
 memrchr = 0x4001acec;
 memset = 0x4001ad3c;
-open = 0x400080c4;
 qsort = 0x400006f4;
-rand_r = 0x40007af4;
-__sclose = 0x4001a700;
-__seofread = 0x4001a690;
 setjmp = 0x40000540;
-setlocale = 0x40001c44;
-_setlocale_r = 0x40001bdc;
-__sflush_r = 0x400019dc;
-__sfmoreglue = 0x4001a4c8;
-__sfp = 0x4001a590;
-__sfp_lock_acquire = 0x4001a508;
-__sfp_lock_release = 0x4001a514;
-__sinit = 0x4001a538;
-__sinit_lock_acquire = 0x4001a520;
-__sinit_lock_release = 0x4001a52c;
-srand = 0x40007a24;
-__sread = 0x4001a660;
-__sseek = 0x4001a6cc;
-strcasecmp = 0x40007b38;
-strcasestr = 0x40007b7c;
 strcat = 0x4001ad90;
 strchr = 0x4001adb0;
 strcmp = 0x40007be4;
 strcoll = 0x40007ce8;
 strcpy = 0x40007cfc;
 strcspn = 0x4001adcc;
-strdup = 0x40007d84;
-_strdup_r = 0x40007d98;
 strlcat = 0x40007db8;
 strlcpy = 0x4001adf8;
 strlen = 0x40007e08;
@@ -89,8 +55,6 @@ strncasecmp = 0x40007e94;
 strncat = 0x4001ae34;
 strncmp = 0x4001ae64;
 strncpy = 0x40007f20;
-strndup = 0x40007fe8;
-_strndup_r = 0x40007ffc;
 strnlen = 0x4001ae9c;
 strrchr = 0x40008040;
 strsep = 0x4000806c;
@@ -99,12 +63,6 @@ strstr = 0x4001aee8;
 __strtok_r = 0x4001af18;
 strtok_r = 0x4001af7c;
 strupr = 0x40008084;
-__swbuf = 0x4000167c;
-__swbuf_r = 0x400015bc;
-__swrite = 0x4001a698;
 toascii = 0x4001af90;
 tolower = 0x40008158;
 toupper = 0x40008174;
-wcrtomb = 0x400012f4;
-_wcrtomb_r = 0x400012a0;
-_wctomb_r = 0x400018ac;

components/esp_rom/esp32s2/ld/esp32s2.rom.newlib-reent-funcs.ld

@@ -0,0 +1,52 @@
+/*
+ * SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+_cleanup_r = 0x4001a480;
+creat = 0x4000788c;
+open = 0x400080c4;
+fclose = 0x4001a804;
+_fclose_r = 0x4001a714;
+fflush = 0x40001bb8;
+_fflush_r = 0x40001b30;
+__fp_unlock_all = 0x4001a64c;
+__fputwc = 0x40001770;
+fputwc = 0x40001864;
+_fputwc_r = 0x400017f8;
+_fwalk = 0x4001bcec;
+_fwalk_reent = 0x4001bd24;
+__sflush_r = 0x400019dc;
+__swbuf = 0x4000167c;
+__swbuf_r = 0x400015bc;
+__swrite = 0x4001a698;
+__sread = 0x4001a660;
+__sseek = 0x4001a6cc;
+srand = 0x40007a24;
+__ascii_mbtowc = 0x40007a04;
+__ascii_wctomb = 0x400018d0;
+_mbtowc_r = 0x400079e0;
+rand_r = 0x40007af4;
+__sclose = 0x4001a700;
+__seofread = 0x4001a690;
+setlocale = 0x40001c44;
+_setlocale_r = 0x40001bdc;
+__sfmoreglue = 0x4001a4c8;
+__sfp = 0x4001a590;
+__sfp_lock_acquire = 0x4001a508;
+__sfp_lock_release = 0x4001a514;
+__sinit = 0x4001a538;
+__sinit_lock_acquire = 0x4001a520;
+__sinit_lock_release = 0x4001a52c;
+strndup = 0x40007fe8;
+_strndup_r = 0x40007ffc;
+wcrtomb = 0x400012f4;
+_wcrtomb_r = 0x400012a0;
+_wctomb_r = 0x400018ac;
+strdup = 0x40007d84;
+_strdup_r = 0x40007d98;
+__locale_ctype_ptr = 0x40001c2c;
+__locale_ctype_ptr_l = 0x40001c24;
+__locale_mb_cur_max = 0x40001c0c;
+strcasecmp = 0x40007b38;
+strcasestr = 0x40007b7c;