Undefined reference to `_exit' error on compiling MCUboot with FreeRtos on ESP32
Posted: Mon Dec 02, 2024 6:00 pm
Hi all,
i am following this official FreeRTOS demo tutorial about McuBoot on ESP32 using a GitHub project . All initial steps occurred with no problem, but when I try to execute the cmake --build build --target mcuboot-flash command, It returns the error bellow:
In my searches I suspect that It has to do with the Linker, but I don´t know what can I do. Can someone please help me?
i am following this official FreeRTOS demo tutorial about McuBoot on ESP32 using a GitHub project . All initial steps occurred with no problem, but when I try to execute the cmake --build build --target mcuboot-flash command, It returns the error bellow:
Code: Select all
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: mcuboot_esp32.elf section `.iram.text' will not fit in region `iram_seg'
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: region `iram_seg' overflowed by 176 bytes
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: .espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/lib/esp32/no-rtti/libc.a(libc_a-abort.o):(.literal+0x0): undefined reference to `_exit'
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: .espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/lib/esp32/no-rtti/libc.a(libc_a-abort.o): in function `abort':
/builds/idf/crosstool-NG/.build/xtensa-esp-elf/src/newlib/newlib/libc/stdlib/abort.c:58:(.text+0xa): undefined reference to `_exit'
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: .espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/lib/esp32/no-rtti/libc.a(libc_a-signalr.o):(.literal+0x4): undefined reference to `_kill'
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: .espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/lib/esp32/no-rtti/libc.a(libc_a-signalr.o):(.literal+0x8): undefined reference to `_getpid'
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: .espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/lib/esp32/no-rtti/libc.a(libc_a-signalr.o): in function `_kill_r':
/builds/idf/crosstool-NG/.build/xtensa-esp-elf/src/newlib/newlib/libc/reent/signalr.c:53:(.text+0xe): undefined reference to `_kill'
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: .espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/lib/esp32/no-rtti/libc.a(libc_a-signalr.o): in function `_getpid_r':
/builds/idf/crosstool-NG/.build/xtensa-esp-elf/src/newlib/newlib/libc/reent/signalr.c:83:(.text+0x27): undefined reference to `_getpid'
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: .espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/lib/esp32/no-rtti/libc.a(libc_a-sbrkr.o):(.literal+0x0): undefined reference to `_sbrk'
.espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/bin/ld: .espressif/tools/xtensa-esp-elf/esp-14.2.0_20240906/xtensa-esp-elf/bin/../lib/gcc/xtensa-esp-elf/14.2.0/../../../../xtensa-esp-elf/lib/esp32/no-rtti/libc.a(libc_a-sbrkr.o): in function `_sbrk_r':
/builds/idf/crosstool-NG/.build/xtensa-esp-elf/src/newlib/newlib/libc/reent/sbrkr.c:51:(.text+0xc): undefined reference to `_sbrk'
collect2: error: ld returned 1 exit status
ninja: build stopped: subcommand failed.