• gcc warnings disappearing  on second compile or minimal change

    dan
    dan

    Hi All

    i have a problem that with our test code we have always produced a #warning for all test code that the engineers put in the production code.

    if you compile the code and then compile again the #warnings are not reproduced along with other warnin…

    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum
  • in gcc we use __attribute__((interrupt("FIQ")))  for fiq handler in C.  what is the equivalent using armcc compiler?

    Foo Tang
    Foo Tang

    in gcc we use __attribute__((interrupt("FIQ")))  for fiq handler in C.  what is the equivalent using armcc compiler?

    • Answered
    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum
  • How to place a "short string" into [RO-DATA] section, but not in [RO-CODE(inc. data)] section?

    idolspawn
    idolspawn

    I use Keil uVision4 to build my project.

    Here is my test C code:

    void func(void)

    {

        //do something

        printf("I hope to be recognized as RO-DATA!\n");

    }

    But assembler code is below. As u see, the string was put into…

    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum
  • ds5 armcc link erro

    fcwindpass
    fcwindpass

    I am building a shared library for my own os with armcc(for some reason used the stdlib's 'malloc'), the link options is "--fpic --shared --linker_script="../lscript.ld" ",buf I got a link fault with:Error: L6286E: Relocation #REL:7 in h1_alloc_mt.o(…

    • Answered
    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum
  • ZI optimization?

    Niall Cooling
    Niall Cooling

    I came accross this statement in the compiler documentation "In ARM Compiler 4.1 and later, the compiler might place small global ZI data items in RW data sections as an optimization.". Can anyone explain what the optimization is?

    see here:

    …
    • Answered
    • over 7 years ago
    • Software Tools
    • Arm Development Studio forum
  • Error use gcc linking  RVCT2.2 c libraries

    Unknown huaiyin
    Unknown huaiyin

    Note: This was originally posted on 19th March 2007 at http://forums.arm.com

    I use RVCT2.2 armcc to complier files and get a library.
    Then to use gcc link the library, but get
    Error:
      undefined reference to '__aeabi_uread4'
      undefined reference…

    • over 6 years ago
    • Software Tools
    • Arm Development Studio forum
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