[ABANDONED] where does the '__heap_lock' error come from

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  • [ABANDONED] where does the '__heap_lock' error come from

    I was trying to build a program, it passed compiling, but stucked at linking:
    E:/SEGGER/SEGGER Embedded Studio 3.12/lib/libc_v7em_fpv4_sp_d16_hard_t_le_eabi.a(libc2.o): In function `malloc':
    libc2.c:(.text.libc.malloc+0xe): undefined reference to `__heap_lock'
    libc2.c:(.text.libc.malloc+0x3a): undefined reference to `__heap_unlock'
    libc2.c:(.text.libc.malloc+0x74): undefined reference to `__heap_unlock'
    libc2.c:(.text.libc.malloc+0x7e): undefined reference to `__heap_unlock'
    E:/SEGGER/SEGGER Embedded Studio 3.12/lib/libc_v7em_fpv4_sp_d16_hard_t_le_eabi.a(libc2.o): In function `free':
    libc2.c:(.text.libc.free+0x8): undefined reference to `__heap_lock'
    libc2.c:(.text.libc.free+0x76): undefined reference to `__heap_unlock'
    Build failed
    I checked linker script file and noticed something different than before:
    __HEAPSIZE__ = 1024;
    __STACKSIZE_ABT__ = 0;
    __STACKSIZE_FIQ__ = 0;
    __STACKSIZE_IRQ__ = 0;
    __STACKSIZE_PROCESS__ = 0;
    __STACKSIZE_SVC__ = 0;
    __STACKSIZE_UND__ = 0;
    __STACKSIZE__ = 2048;
    Tabed lines are newly added.

    Any ideas on what's wrong?
  • Hello,

    Thank you for your inquiry.
    Could you try the latest Embedded Studio version?
    Does that improve the behaviour?
    Are the variables referenced in your project?

    Best regards,
    Nino
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