• -print-libgcc-file-name gives thumb while -marm is used

    Dear Forum,

    Using

    ~$ arm-none-eabi-gcc -v                                                                             
Using built-in specs.
COLLECT_GCC=arm-none-eabi-gcc
COLLECT_LTO_WRAPPER=/opt/gcc-arm-none-eabi/bin/../libexec/gcc/arm-none-eabi/9…

  • gcc does not generate correct code while building PIC

    Hey guys,

    I have been exploring building PIC using the gcc toolchain and I think there is a bug.

    I first build a shared library using 

    arm-none-eabi-gcc -shared -mcpu=cortex-m4 -mthumb -Wall -g -fPIC -fmessage-length=0 --specs=nosys.specs mylib.c -o libmylib…

  • Warning: It blocks containing 32-bit Thumb instructions are deprecated in ARMv8 with GCC 4.9

    Dear colleagues.

    I am compiling the Intel TBB in an effort to optimize my code to the Cortex-M53, however, because I was still forced to use GCC 4.9 I'm getting some warning messages about the use of  32bit Thumb Instrucions in IT blocks:

    Warning…

  • Linker in gnu arm toolchain says "group ended without start" thought there is no such option in my build

    shyam@shyam:~/projects/zynq/microzed/linux_source/Test_Chips$ make
    make -C  /home/shyam/projects/zynq/microzed/linux_source/Test_Chips/../dev_tools/build
    make[1]: Entering directory `/home/shyam/projects/zynq/microzed/linux_source/dev_tools/build'
    Making…