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feat(esp_libc): make picolibc default libc

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This commit is contained in:
Alexey Lapshin
2025-12-06 00:08:35 +07:00
parent d9f98b8ef6
commit ad7f4b9670
86 changed files with 1077 additions and 423 deletions
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components/esp_system/ld/esp32/sections.ld.in
+14
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@@ -360,12 +360,14 @@ SECTIONS
* Excluding crtbegin.o/crtend.o since IDF doesn't use the toolchain crt.
*/
ALIGNED_SYMBOL(4, __preinit_array_start)
ALIGNED_SYMBOL(4, __bothinit_array_start)
KEEP (*(.preinit_array))
__preinit_array_end = ABSOLUTE(.);
ALIGNED_SYMBOL(4, __init_array_start)
KEEP (*(SORT_BY_INIT_PRIORITY(EXCLUDE_FILE (*crtend.* *crtbegin.*) .ctors.*)))
KEEP (*(EXCLUDE_FILE (*crtend.* *crtbegin.*) .ctors))
__init_array_end = ABSOLUTE(.);
__bothinit_array_end = ABSOLUTE(.);
/* Addresses of memory regions reserved via SOC_RESERVE_MEMORY_REGION() */
ALIGNED_SYMBOL(4, soc_reserved_memory_region_start)
@@ -388,12 +390,24 @@ SECTIONS
/* TLS data. */
ALIGNED_SYMBOL(4, _thread_local_start)
#if CONFIG_LIBC_PICOLIBC
_picolibc_reent_stub_start = ABSOLUTE(.);
KEEP(*(.tdata.errno))
#if CONFIG_LIBC_PICOLIBC_NEWLIB_COMPATIBILITY
/* Reproduce the public fields from struct _reent. */
KEEP(*(.tdata.tls_stdin))
KEEP(*(.tdata.tls_stdout))
KEEP(*(.tdata.tls_stderr))
#endif // CONFIG_LIBC_PICOLIBC_NEWLIB_COMPATIBILITY
_picolibc_reent_stub_end = ABSOLUTE(.);
#endif // CONFIG_LIBC_PICOLIBC
*(.tdata)
*(.tdata.*)
*(.tbss)
*(.tbss.*)
_thread_local_end = ABSOLUTE(.);
} > default_rodata_seg
ASSERT_PICOLIBC_REENT_STUB()
_flash_rodata_align = ALIGNOF(.flash.rodata);