# If the Newlib functions in ROM aren't used (eg because the external SPI RAM workaround is active), these functions will # be linked into the application directly instead. Normally, they would end up in flash, which is undesirable because esp-idf # and/or applications may assume that because these functions normally are in ROM, they are accessible even when flash is # inaccessible. To work around this, this ld fragment places these functions in RAM instead. If the ROM functions are used, # these defines do nothing, so they can still be included in that situation. # # # Note: the only difference between esp32-spiram-rom-functions-c.lf # and esp32-spiram-rom-functions-psram-workaround.lf is the archive name. [mapping:libc] archive: if NEWLIB_NANO_FORMAT = y: libc_nano.a else: libc.a entries: if SPIRAM_CACHE_WORKAROUND = y: # The following libs are either used in a lot of places or in critical # code. (such as panic or abort) # Thus, they shall always be placed in IRAM. if IDF_TOOLCHAIN = "gcc": # TODO: IDF-8134 libc_a-itoa (noflash) libc_a-memcmp (noflash) libc_a-memcpy (noflash) libc_a-memset (noflash) libc_a-strcat (noflash) libc_a-strcmp (noflash) libc_a-strlen (noflash) else: lib_a-itoa (noflash) lib_a-memcmp (noflash) lib_a-memcpy (noflash) lib_a-memset (noflash) lib_a-strcat (noflash) lib_a-strcmp (noflash) lib_a-strlen (noflash) if SPIRAM_CACHE_LIBJMP_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-longjmp (noflash) libc_a-setjmp (noflash) else: lib_a-longjmp (noflash) lib_a-setjmp (noflash) if SPIRAM_CACHE_LIBMATH_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-abs (noflash) libc_a-div (noflash) libc_a-labs (noflash) libc_a-ldiv (noflash) libc_a-quorem (noflash) libc_a-s_fpclassify (noflash) libc_a-sf_nan (noflash) else: lib_a-abs (noflash) lib_a-div (noflash) lib_a-labs (noflash) lib_a-ldiv (noflash) lib_a-quorem (noflash) lib_a-s_fpclassify (noflash) lib_a-sf_nan (noflash) if SPIRAM_CACHE_LIBNUMPARSER_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-utoa (noflash) libc_a-atoi (noflash) libc_a-atol (noflash) libc_a-strtol (noflash) libc_a-strtoul (noflash) else: lib_a-utoa (noflash) lib_a-atoi (noflash) lib_a-atol (noflash) lib_a-strtol (noflash) lib_a-strtoul (noflash) if SPIRAM_CACHE_LIBIO_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-wcrtomb (noflash) libc_a-fvwrite (noflash) libc_a-wbuf (noflash) libc_a-wsetup (noflash) libc_a-fputwc (noflash) libc_a-wctomb_r (noflash) libc_a-ungetc (noflash) libc_a-makebuf (noflash) libc_a-fflush (noflash) libc_a-refill (noflash) libc_a-sccl (noflash) else: lib_a-wcrtomb (noflash) lib_a-fvwrite (noflash) lib_a-wbuf (noflash) lib_a-wsetup (noflash) lib_a-fputwc (noflash) lib_a-wctomb_r (noflash) lib_a-ungetc (noflash) lib_a-makebuf (noflash) lib_a-fflush (noflash) lib_a-refill (noflash) lib_a-sccl (noflash) if SPIRAM_CACHE_LIBTIME_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-asctime (noflash) libc_a-asctime_r (noflash) libc_a-ctime (noflash) libc_a-ctime_r (noflash) libc_a-lcltime (noflash) libc_a-lcltime_r (noflash) libc_a-gmtime (noflash) libc_a-gmtime_r (noflash) libc_a-strftime (noflash) libc_a-mktime (noflash) libc_a-tzset_r (noflash) libc_a-tzset (noflash) libc_a-time (noflash) libc_a-gettzinfo (noflash) libc_a-systimes (noflash) libc_a-month_lengths (noflash) libc_a-timelocal (noflash) libc_a-tzvars (noflash) libc_a-tzlock (noflash) libc_a-tzcalc_limits (noflash) libc_a-strptime (noflash) else: lib_a-asctime (noflash) lib_a-asctime_r (noflash) lib_a-ctime (noflash) lib_a-ctime_r (noflash) lib_a-lcltime (noflash) lib_a-lcltime_r (noflash) lib_a-gmtime (noflash) lib_a-gmtime_r (noflash) lib_a-strftime (noflash) lib_a-mktime (noflash) lib_a-tzset_r (noflash) lib_a-tzset (noflash) lib_a-time (noflash) lib_a-gettzinfo (noflash) lib_a-systimes (noflash) lib_a-month_lengths (noflash) lib_a-timelocal (noflash) lib_a-tzvars (noflash) lib_a-tzlock (noflash) lib_a-tzcalc_limits (noflash) lib_a-strptime (noflash) if SPIRAM_CACHE_LIBCHAR_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-ctype_ (noflash) libc_a-toupper (noflash) libc_a-tolower (noflash) libc_a-toascii (noflash) libc_a-strupr (noflash) libc_a-bzero (noflash) libc_a-isalnum (noflash) libc_a-isalpha (noflash) libc_a-isascii (noflash) libc_a-isblank (noflash) libc_a-iscntrl (noflash) libc_a-isdigit (noflash) libc_a-isgraph (noflash) libc_a-islower (noflash) libc_a-isprint (noflash) libc_a-ispunct (noflash) libc_a-isspace (noflash) libc_a-isupper (noflash) else: lib_a-ctype_ (noflash) lib_a-toupper (noflash) lib_a-tolower (noflash) lib_a-toascii (noflash) lib_a-strupr (noflash) lib_a-bzero (noflash) lib_a-isalnum (noflash) lib_a-isalpha (noflash) lib_a-isascii (noflash) lib_a-isblank (noflash) lib_a-iscntrl (noflash) lib_a-isdigit (noflash) lib_a-isgraph (noflash) lib_a-islower (noflash) lib_a-isprint (noflash) lib_a-ispunct (noflash) lib_a-isspace (noflash) lib_a-isupper (noflash) if SPIRAM_CACHE_LIBMEM_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-memccpy (noflash) libc_a-memchr (noflash) libc_a-memmove (noflash) libc_a-memrchr (noflash) else: lib_a-memccpy (noflash) lib_a-memchr (noflash) lib_a-memmove (noflash) lib_a-memrchr (noflash) if SPIRAM_CACHE_LIBSTR_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-strcasecmp (noflash) libc_a-strcasestr (noflash) libc_a-strchr (noflash) libc_a-strcoll (noflash) libc_a-strcpy (noflash) libc_a-strcspn (noflash) libc_a-strdup (noflash) libc_a-strdup_r (noflash) libc_a-strlcat (noflash) libc_a-strlcpy (noflash) libc_a-strlwr (noflash) libc_a-strncasecmp (noflash) libc_a-strncat (noflash) libc_a-strncmp (noflash) libc_a-strncpy (noflash) libc_a-strndup (noflash) libc_a-strndup_r (noflash) libc_a-strnlen (noflash) libc_a-strrchr (noflash) libc_a-strsep (noflash) libc_a-strspn (noflash) libc_a-strstr (noflash) libc_a-strtok_r (noflash) libc_a-strupr (noflash) else: lib_a-strcasecmp (noflash) lib_a-strcasestr (noflash) lib_a-strchr (noflash) lib_a-strcoll (noflash) lib_a-strcpy (noflash) lib_a-strcspn (noflash) lib_a-strdup (noflash) lib_a-strdup_r (noflash) lib_a-strlcat (noflash) lib_a-strlcpy (noflash) lib_a-strlwr (noflash) lib_a-strncasecmp (noflash) lib_a-strncat (noflash) lib_a-strncmp (noflash) lib_a-strncpy (noflash) lib_a-strndup (noflash) lib_a-strndup_r (noflash) lib_a-strnlen (noflash) lib_a-strrchr (noflash) lib_a-strsep (noflash) lib_a-strspn (noflash) lib_a-strstr (noflash) lib_a-strtok_r (noflash) lib_a-strupr (noflash) if SPIRAM_CACHE_LIBRAND_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-srand (noflash) libc_a-rand (noflash) libc_a-rand_r (noflash) else: lib_a-srand (noflash) lib_a-rand (noflash) lib_a-rand_r (noflash) if SPIRAM_CACHE_LIBENV_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-environ (noflash) libc_a-envlock (noflash) libc_a-getenv_r (noflash) else: lib_a-environ (noflash) lib_a-envlock (noflash) lib_a-getenv_r (noflash) if SPIRAM_CACHE_LIBFILE_IN_IRAM = y: lock (noflash) isatty (noflash) creat (noflash) if IDF_TOOLCHAIN = "gcc": libc_a-fclose (noflash) libc_a-open (noflash) libc_a-close (noflash) libc_a-creat (noflash) libc_a-read (noflash) libc_a-rshift (noflash) libc_a-sbrk (noflash) libc_a-stdio (noflash) libc_a-syssbrk (noflash) libc_a-sysclose (noflash) libc_a-sysopen (noflash) libc_a-sysread (noflash) libc_a-syswrite (noflash) libc_a-impure (noflash) libc_a-fwalk (noflash) libc_a-findfp (noflash) else: lib_a-fclose (noflash) lib_a-open (noflash) lib_a-close (noflash) lib_a-creat (noflash) lib_a-read (noflash) lib_a-rshift (noflash) lib_a-sbrk (noflash) lib_a-stdio (noflash) lib_a-syssbrk (noflash) lib_a-sysclose (noflash) lib_a-sysopen (noflash) lib_a-sysread (noflash) lib_a-syswrite (noflash) lib_a-impure (noflash) lib_a-fwalk (noflash) lib_a-findfp (noflash) if SPIRAM_CACHE_LIBMISC_IN_IRAM = y: if IDF_TOOLCHAIN = "gcc": libc_a-raise (noflash) libc_a-system (noflash) else: lib_a-raise (noflash) lib_a-system (noflash)