2021-11-06 05:21:57 -04:00
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/*
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esp_rom: remove functions which depend on sizeof(struct stat)
...and all their callers.
With the upcoming switch from sizeof(time_t)==4 to sizeof(time_t)==8,
sizeof(struct stat) is also increasing.
A few newlib functions present in ROM allocate 'struct stat' on the
stack and call _fstat_r on this structure. The implementation of
fstat is provided in ESP-IDF. This implementation will often do
memset(st, 0, sizeof(*st)), where st is 'struct stat*', before setting
some fields of this structure. If IDF is built with sizeof(st)
different from sizeof(st) which ROM was built with, this will lead
to an out-of-bounds write and a stack corruption.
This commit removes problematic ROM functions from the linker script.
Here are the functions which allocate 'struct stat':
* _isatty_r (in ROM)
* __swhatbuf_r, called by __smakebuf_r, called by __swsetup_r and
__srefill_r (in ROM)
* _fseeko_r (not in ROM)
* glob2 (not in ROM)
* _gettemp (not in ROM)
As a result, these functions are used from libc.a, and use correct
size of 'stat' structure.
Closes https://github.com/espressif/esp-idf/issues/7980
2022-01-06 09:20:04 -05:00
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* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
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2021-11-06 05:21:57 -04:00
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/* ROM function interface esp8684.rom.newlib.ld for esp8684
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*
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*
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* Generated from ./interface-esp8684.yml md5sum 6c4d0f3a9f2d0c93477024a1a8f13746
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*
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* Compatible with ROM where ECO version equal or greater to 0.
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*
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* THIS FILE WAS AUTOMATICALLY GENERATED. DO NOT EDIT.
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*/
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/***************************************
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Group newlib
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***************************************/
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/* Functions */
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esp_rom_newlib_init_common_mutexes = 0x40000480;
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memset = 0x40000484;
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memcpy = 0x40000488;
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memmove = 0x4000048c;
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memcmp = 0x40000490;
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strcpy = 0x40000494;
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strncpy = 0x40000498;
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strcmp = 0x4000049c;
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strncmp = 0x400004a0;
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strlen = 0x400004a4;
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strstr = 0x400004a8;
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bzero = 0x400004ac;
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sbrk = 0x400004b4;
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isalnum = 0x400004b8;
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isalpha = 0x400004bc;
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isascii = 0x400004c0;
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isblank = 0x400004c4;
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iscntrl = 0x400004c8;
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isdigit = 0x400004cc;
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islower = 0x400004d0;
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isgraph = 0x400004d4;
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isprint = 0x400004d8;
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ispunct = 0x400004dc;
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isspace = 0x400004e0;
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isupper = 0x400004e4;
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toupper = 0x400004e8;
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tolower = 0x400004ec;
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toascii = 0x400004f0;
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memccpy = 0x400004f4;
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memchr = 0x400004f8;
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memrchr = 0x400004fc;
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strcasecmp = 0x40000500;
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strcasestr = 0x40000504;
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strcat = 0x40000508;
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strdup = 0x4000050c;
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strchr = 0x40000510;
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strcspn = 0x40000514;
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strcoll = 0x40000518;
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strlcat = 0x4000051c;
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strlcpy = 0x40000520;
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strlwr = 0x40000524;
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strncasecmp = 0x40000528;
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strncat = 0x4000052c;
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strndup = 0x40000530;
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strnlen = 0x40000534;
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strrchr = 0x40000538;
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strsep = 0x4000053c;
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strspn = 0x40000540;
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strtok_r = 0x40000544;
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strupr = 0x40000548;
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longjmp = 0x4000054c;
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setjmp = 0x40000550;
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abs = 0x40000554;
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div = 0x40000558;
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labs = 0x4000055c;
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ldiv = 0x40000560;
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qsort = 0x40000564;
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rand_r = 0x40000568;
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rand = 0x4000056c;
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srand = 0x40000570;
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utoa = 0x40000574;
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itoa = 0x40000578;
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atoi = 0x4000057c;
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atol = 0x40000580;
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strtol = 0x40000584;
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strtoul = 0x40000588;
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fflush = 0x4000058c;
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_fflush_r = 0x40000590;
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_fwalk = 0x40000594;
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_fwalk_reent = 0x40000598;
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__swbuf_r = 0x400005a4;
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__swbuf = 0x400005a8;
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_strtod_l = 0x400005b0;
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_strtod_r = 0x400005b4;
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strtod_l = 0x400005b8;
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strtod = 0x400005bc;
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strtof_l = 0x400005c0;
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strtof = 0x400005c4;
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_strtol_r = 0x400005c8;
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strtol_l = 0x400005cc;
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_strtoul_r = 0x400005d0;
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strtoul_l = 0x400005d4;
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__match = 0x400005d8;
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__hexnan = 0x400005dc;
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__hexdig_fun = 0x400005e0;
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__gethex = 0x400005e4;
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_Balloc = 0x400005e8;
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_Bfree = 0x400005ec;
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__multadd = 0x400005f0;
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__s2b = 0x400005f4;
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__hi0bits = 0x400005f8;
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__lo0bits = 0x400005fc;
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__i2b = 0x40000600;
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__multiply = 0x40000604;
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__pow5mult = 0x40000608;
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__lshift = 0x4000060c;
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__mcmp = 0x40000610;
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__mdiff = 0x40000614;
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__ulp = 0x40000618;
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__b2d = 0x4000061c;
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__d2b = 0x40000620;
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__ratio = 0x40000624;
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_mprec_log10 = 0x40000628;
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__copybits = 0x4000062c;
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__any_on = 0x40000630;
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asctime = 0x40000634;
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asctime_r = 0x40000638;
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atof = 0x4000063c;
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atoff = 0x40000640;
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_dtoa_r = 0x40000644;
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_wctomb_r = 0x40000648;
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__ascii_wctomb = 0x4000064c;
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_mbtowc_r = 0x40000650;
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__ascii_mbtowc = 0x40000654;
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puts = 0x40000658;
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putc = 0x4000065c;
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putchar = 0x40000660;
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nan = 0x40000664;
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nanf = 0x40000668;
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__errno = 0x4000066c;
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/* Data (.data, .bss, .rodata) */
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syscall_table_ptr = 0x3fcdffd8;
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_global_impure_ptr = 0x3fcdffd4;
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