feat: add libc
This commit is contained in:
Haolan
@@ -97,14 +97,6 @@ _heap_end = ORIGIN(DRAM) + LENGTH(DRAM);
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_stack_size = 4K;
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/* From ESP-IDF:
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* components/esp_rom/esp32/ld/esp32.rom.newlib-funcs.ld
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* This is the subset that is sometimes used by LLVM during codegen, and thus
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* must always be present.
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*/
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memcpy = 0x4000c2c8;
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memmove = 0x4000c3c0;
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memset = 0x4000c44c;
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/* From ESP-IDF:
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* components/esp_rom/esp32/ld/esp32.rom.libgcc.ld
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@@ -200,3 +192,9 @@ __umodsi3 = 0x4000c7d0;
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__umulsidi3 = 0x4000c7d8;
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__unorddf2 = 0x400637f4;
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__unordsf2 = 0x40063478;
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INCLUDE "targets/esp32.rom.newlib-data.ld";
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INCLUDE "targets/esp32.rom.newlib-funcs.ld";
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INCLUDE "targets/esp32.rom.newlib-locale.ld";
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INCLUDE "targets/esp32.rom.newlib-nano.ld";
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INCLUDE "targets/esp32.rom.newlib-time.ld";
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23
targets/esp32.rom.newlib-data.ld
Normal file
23
targets/esp32.rom.newlib-data.ld
Normal file
@@ -0,0 +1,23 @@
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/* These are the .bss/.data symbols used by newlib functions present in ESP32 ROM.
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See also esp32.rom.newlib-funcs.ld for the list of general newlib functions,
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and esp32.rom.newlib-nano.ld for "nano" versions of printf/scanf family of functions.
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Unlike other ROM functions and data which are exported using PROVIDE, which declares
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weak symbols, newlib related functions are exported using assignment,
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which declares strong symbols. This is done so that ROM functions are always
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used instead of the ones provided by libc.a.
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*/
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_ctype_ = 0x3ff96354;
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__ctype_ptr__ = 0x3ff96350;
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environ = 0x3ffae0b4;
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_global_impure_ptr = 0x3ffae0b0;
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__mb_cur_max = 0x3ff96530;
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__sf_fake_stderr = 0x3ff96458;
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__sf_fake_stdin = 0x3ff96498;
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__sf_fake_stdout = 0x3ff96478;
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__wctomb = 0x3ff96540;
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__sfp_lock = 0x3ffae0ac;
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__sinit_lock = 0x3ffae0a8;
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__env_lock_object = 0x3ffae0b8;
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__tz_lock_object = 0x3ffae080;
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130
targets/esp32.rom.newlib-funcs.ld
Normal file
130
targets/esp32.rom.newlib-funcs.ld
Normal file
@@ -0,0 +1,130 @@
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/* These are the newlib functions present in ESP32 ROM.
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They should not be used when compiling with PSRAM cache workaround enabled.
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See also esp32.rom.newlib-data.ld for the list of .data/.bss symbols
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used by these functions, and esp32.rom.newlib-nano.ld for "nano" versions
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of printf/scanf family of functions.
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Unlike other ROM functions which are exported using PROVIDE, which declares
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weak symbols, newlib related functions are exported using assignment,
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which declares strong symbols. This is done so that ROM functions are always
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used instead of the ones provided by libc.a.
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Time functions were moved to the esp32.rom.newlib-time.ld file.
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*/
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abs = 0x40056340;
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__ascii_wctomb = 0x40058ef0;
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atoi = 0x400566c4;
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_atoi_r = 0x400566d4;
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atol = 0x400566ec;
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_atol_r = 0x400566fc;
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bzero = 0x4000c1f4;
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_cleanup = 0x40001df8;
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_cleanup_r = 0x40001d48;
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creat = 0x40000e8c;
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div = 0x40056348;
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__dummy_lock = 0x4000c728;
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__dummy_lock_try = 0x4000c730;
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__env_lock = 0x40001fd4;
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__env_unlock = 0x40001fe0;
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fclose = 0x400020ac;
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_fclose_r = 0x40001fec;
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fflush = 0x40059394;
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_fflush_r = 0x40059320;
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_findenv_r = 0x40001f44;
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__fp_lock_all = 0x40001f1c;
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__fp_unlock_all = 0x40001f30;
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__fputwc = 0x40058da0;
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fputwc = 0x40058ea8;
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_fputwc_r = 0x40058e4c;
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_fwalk = 0x4000c738;
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_fwalk_reent = 0x4000c770;
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_getenv_r = 0x40001fbc;
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isalnum = 0x40000f04;
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isalpha = 0x40000f18;
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isascii = 0x4000c20c;
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isblank = 0x40000f2c;
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iscntrl = 0x40000f50;
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isdigit = 0x40000f64;
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isgraph = 0x40000f94;
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islower = 0x40000f78;
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isprint = 0x40000fa8;
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ispunct = 0x40000fc0;
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isspace = 0x40000fd4;
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isupper = 0x40000fe8;
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__itoa = 0x40056678;
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itoa = 0x400566b4;
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labs = 0x40056370;
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ldiv = 0x40056378;
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longjmp = 0x400562cc;
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memccpy = 0x4000c220;
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memchr = 0x4000c244;
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memcmp = 0x4000c260;
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memcpy = 0x4000c2c8;
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memmove = 0x4000c3c0;
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memrchr = 0x4000c400;
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memset = 0x4000c44c;
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qsort = 0x40056424;
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rand = 0x40001058;
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rand_r = 0x400010d4;
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__sccl = 0x4000c498;
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__sclose = 0x400011b8;
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__seofread = 0x40001148;
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setjmp = 0x40056268;
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__sflush_r = 0x400591e0;
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__sfmoreglue = 0x40001dc8;
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__sfp = 0x40001e90;
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__sfp_lock_acquire = 0x40001e08;
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__sfp_lock_release = 0x40001e14;
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__sinit = 0x40001e38;
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__sinit_lock_acquire = 0x40001e20;
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__sinit_lock_release = 0x40001e2c;
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srand = 0x40001004;
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__sread = 0x40001118;
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__sseek = 0x40001184;
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strcasecmp = 0x400011cc;
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strcasestr = 0x40001210;
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strcat = 0x4000c518;
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strchr = 0x4000c53c;
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strcmp = 0x40001274;
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strcoll = 0x40001398;
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strcpy = 0x400013ac;
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strcspn = 0x4000c558;
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strdup = 0x4000143c;
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_strdup_r = 0x40001450;
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strlcat = 0x40001470;
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strlcpy = 0x4000c584;
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strlen = 0x400014c0;
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strlwr = 0x40001524;
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strncasecmp = 0x40001550;
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strncat = 0x4000c5c4;
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strncmp = 0x4000c5f4;
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strncpy = 0x400015d4;
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strndup = 0x400016b0;
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_strndup_r = 0x400016c4;
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strnlen = 0x4000c628;
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strrchr = 0x40001708;
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strsep = 0x40001734;
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strspn = 0x4000c648;
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strstr = 0x4000c674;
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__strtok_r = 0x4000c6a8;
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strtok_r = 0x4000c70c;
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strtol = 0x4005681c;
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_strtol_r = 0x40056714;
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strtoul = 0x4005692c;
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_strtoul_r = 0x40056834;
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strupr = 0x4000174c;
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__submore = 0x40058f3c;
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__swbuf = 0x40058cb4;
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__swbuf_r = 0x40058bec;
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__swrite = 0x40001150;
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toascii = 0x4000c720;
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tolower = 0x40001868;
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toupper = 0x40001884;
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ungetc = 0x400590f4;
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_ungetc_r = 0x40058fa0;
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__utoa = 0x400561f0;
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utoa = 0x40056258;
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wcrtomb = 0x40058920;
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_wcrtomb_r = 0x400588d8;
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_wctomb_r = 0x40058f14;
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19
targets/esp32.rom.newlib-locale.ld
Normal file
19
targets/esp32.rom.newlib-locale.ld
Normal file
@@ -0,0 +1,19 @@
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/* These are the locale-related newlib functions present in ESP32 ROM.
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ESP32 ROM contains newlib version 2.2.0, and these functions should not be
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used when compiling with newlib version 3, since locale implementation is
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different there.
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Unlike other ROM functions which are exported using PROVIDE, which declares
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weak symbols, newlib related functions are exported using assignment,
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which declares strong symbols. This is done so that ROM functions are always
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used instead of the ones provided by libc.a.
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*/
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__locale_charset = 0x40059540;
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__locale_cjk_lang = 0x40059558;
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localeconv = 0x4005957c;
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_localeconv_r = 0x40059560;
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__locale_mb_cur_max = 0x40059548;
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__locale_msgcharset = 0x40059550;
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setlocale = 0x40059568;
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_setlocale_r = 0x4005950c;
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115
targets/esp32.rom.newlib-nano.ld
Normal file
115
targets/esp32.rom.newlib-nano.ld
Normal file
@@ -0,0 +1,115 @@
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/* These are the printf/scanf related newlib functions present in ESP32 ROM.
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These functions are compiled with newlib "nano" format option.
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As such, they don's support 64-bit integer formats.
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Floating point formats are supported by setting _printf_float and
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_scanf_float entries in syscall table. This is done automatically
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by startup code.
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These functions should not be used when compiling with PSRAM cache workaround enabled.
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See also esp32.rom.newlib-data.ld for the list of .data/.bss symbols
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used by newlib functions, and esp32.rom.newlib-funcs.ld for the list
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of general newlib functions.
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Unlike other ROM functions which are exported using PROVIDE, which declares
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weak symbols, newlib related functions are exported using assignment,
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which declares strong symbols. This is done so that ROM functions are always
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used instead of the ones provided by libc.a.
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*/
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asiprintf = 0x40056d9c;
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_asiprintf_r = 0x40056d4c;
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asniprintf = 0x40056cd8;
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_asniprintf_r = 0x40056c64;
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asnprintf = 0x40056cd8;
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_asnprintf_r = 0x40056c64;
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asprintf = 0x40056d9c;
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_asprintf_r = 0x40056d4c;
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fiprintf = 0x40056efc;
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_fiprintf_r = 0x40056ed8;
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fiscanf = 0x40058884;
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_fiscanf_r = 0x400588b4;
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fprintf = 0x40056efc;
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_fprintf_r = 0x40056ed8;
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fscanf = 0x40058884;
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_fscanf_r = 0x400588b4;
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iprintf = 0x40056978;
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_iprintf_r = 0x40056944;
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iscanf = 0x40058760;
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_iscanf_r = 0x4005879c;
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printf = 0x40056978;
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_printf_common = 0x40057338;
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_printf_i = 0x40057404;
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_printf_r = 0x40056944;
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scanf = 0x40058760;
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_scanf_chars = 0x40058384;
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_scanf_i = 0x4005845c;
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_scanf_r = 0x4005879c;
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__sfputs_r = 0x40057790;
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siprintf = 0x40056c08;
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_siprintf_r = 0x40056bbc;
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siscanf = 0x400587d0;
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_siscanf_r = 0x40058830;
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sniprintf = 0x40056b4c;
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_sniprintf_r = 0x40056ae4;
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snprintf = 0x40056b4c;
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_snprintf_r = 0x40056ae4;
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sprintf = 0x40056c08;
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_sprintf_r = 0x40056bbc;
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__sprint_r = 0x400577e4;
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sscanf = 0x400587d0;
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_sscanf_r = 0x40058830;
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__ssprint_r = 0x40056ff8;
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__ssputs_r = 0x40056f2c;
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__ssrefill_r = 0x40057fec;
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__ssvfiscanf_r = 0x4005802c;
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__ssvfscanf_r = 0x4005802c;
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_sungetc_r = 0x40057f6c;
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_svfiprintf_r = 0x40057100;
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__svfiscanf_r = 0x40057b08;
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_svfprintf_r = 0x40057100;
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__svfscanf = 0x40057f04;
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__svfscanf_r = 0x40057b08;
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vasiprintf = 0x40056eb8;
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_vasiprintf_r = 0x40056e80;
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vasniprintf = 0x40056e58;
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_vasniprintf_r = 0x40056df8;
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vasnprintf = 0x40056e58;
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_vasnprintf_r = 0x40056df8;
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vasprintf = 0x40056eb8;
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_vasprintf_r = 0x40056e80;
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vfiprintf = 0x40057ae8;
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_vfiprintf_r = 0x40057850;
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vfiscanf = 0x40057eb8;
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_vfiscanf_r = 0x40057f24;
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vfprintf = 0x40057ae8;
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_vfprintf_r = 0x40057850;
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vfscanf = 0x40057eb8;
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_vfscanf_r = 0x40057f24;
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viprintf = 0x400569b4;
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_viprintf_r = 0x400569e4;
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viscanf = 0x40058698;
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_viscanf_r = 0x400586c8;
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vprintf = 0x400569b4;
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_vprintf_r = 0x400569e4;
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vscanf = 0x40058698;
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_vscanf_r = 0x400586c8;
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vsiprintf = 0x40056ac4;
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_vsiprintf_r = 0x40056a90;
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vsiscanf = 0x40058740;
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_vsiscanf_r = 0x400586f8;
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vsniprintf = 0x40056a68;
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_vsniprintf_r = 0x40056a14;
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vsnprintf = 0x40056a68;
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_vsnprintf_r = 0x40056a14;
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vsprintf = 0x40056ac4;
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_vsprintf_r = 0x40056a90;
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vsscanf = 0x40058740;
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_vsscanf_r = 0x400586f8;
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/* _print_float and _scanf_float functions in ROM are stubs which call
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real implementations in IDF through the syscall table.
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As such, don't include these ROM symbols.
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_printf_float = 0x4000befc;
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_scanf_float = 0x4000bf18;
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*/
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38
targets/esp32.rom.newlib-time.ld
Normal file
38
targets/esp32.rom.newlib-time.ld
Normal file
@@ -0,0 +1,38 @@
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/* These are the newlib functions and the .bss/.data symbols necessary for these functions present in ESP32 ROM.
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They should not be used when you need to solve the Y2K38 problem.
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Because these functions were compiled with 32-bit width for the time_t structure.
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*/
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asctime = 0x40059588;
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asctime_r = 0x40000ec8;
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ctime = 0x400595b0;
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ctime_r = 0x400595c4;
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__gettzinfo = 0x40001fcc;
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__get_current_time_locale = 0x40001834;
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gmtime = 0x40059848;
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gmtime_r = 0x40059868;
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localtime = 0x400595dc;
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localtime_r = 0x400595fc;
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mktime = 0x4005a5e8;
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strftime = 0x40059ab4;
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time = 0x40001844;
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__time_load_locale = 0x4000183c;
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tzset = 0x40001a1c;
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_tzset_r = 0x40001a28;
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__tzcalc_limits = 0x400018a0;
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__tz_lock = 0x40001a04;
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__tz_unlock = 0x40001a10;
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/* The .bss/.data symbols necessary for these functions */
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_timezone = 0x3ffae0a0;
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_tzname = 0x3ffae030;
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_daylight = 0x3ffae0a4;
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__month_lengths = 0x3ff9609c;
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/* These functions don't use time_t, but use other structures which include time_t.
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* For example, 'struct stat' contains time_t.
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*/
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_isatty_r = 0x40000ea0;
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__sfvwrite_r = 0x4005893c;
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__smakebuf_r = 0x40059108;
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__srefill_r = 0x400593d4;
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__swsetup_r = 0x40058cc8;
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