feat(newlib): add picolibc support

components/esp_rom/esp32c6/ld/esp32c6.rom.libc.ld

@@ -0,0 +1,65 @@
+/*
+ * SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+esp_rom_newlib_init_common_mutexes = 0x400004a4;
+memset = 0x400004a8;
+memcpy = 0x400004ac;
+memmove = 0x400004b0;
+memcmp = 0x400004b4;
+strcpy = 0x400004b8;
+strncpy = 0x400004bc;
+strcmp = 0x400004c0;
+strncmp = 0x400004c4;
+strlen = 0x400004c8;
+strstr = 0x400004cc;
+bzero = 0x400004d0;
+sbrk = 0x400004d8;
+isalnum = 0x400004dc;
+isalpha = 0x400004e0;
+isascii = 0x400004e4;
+isblank = 0x400004e8;
+iscntrl = 0x400004ec;
+isdigit = 0x400004f0;
+islower = 0x400004f4;
+isgraph = 0x400004f8;
+isprint = 0x400004fc;
+ispunct = 0x40000500;
+isspace = 0x40000504;
+isupper = 0x40000508;
+toupper = 0x4000050c;
+tolower = 0x40000510;
+toascii = 0x40000514;
+memccpy = 0x40000518;
+memchr = 0x4000051c;
+memrchr = 0x40000520;
+strcasecmp = 0x40000524;
+strcasestr = 0x40000528;
+strcat = 0x4000052c;
+strchr = 0x40000534;
+strcspn = 0x40000538;
+strcoll = 0x4000053c;
+strlcat = 0x40000540;
+strlcpy = 0x40000544;
+strlwr = 0x40000548;
+strncasecmp = 0x4000054c;
+strncat = 0x40000550;
+strnlen = 0x40000558;
+strrchr = 0x4000055c;
+strsep = 0x40000560;
+strspn = 0x40000564;
+strtok_r = 0x40000568;
+strupr = 0x4000056c;
+longjmp = 0x40000570;
+setjmp = 0x40000574;
+abs = 0x40000578;
+div = 0x4000057c;
+labs = 0x40000580;
+ldiv = 0x40000584;
+qsort = 0x40000588;
+utoa = 0x40000598;
+itoa = 0x4000059c;
+/* Data (.data, .bss, .rodata) */
+syscall_table_ptr = 0x4087ffd4;
+_global_impure_ptr = 0x4087ffd0;