On Fri, Aug 20, 2021 at 08:55:54PM +0200, David Brown wrote: > On 20/08/2021 10:22, Werthmann Luca via Gcc-help wrote: > > I am writing to ask if there is a chance with the GNU GCC Compiler to group __attribute__((section (“NAME”))) statements. > > > > IAR Supports for example the following commands: > > > > # pragma default_function_attributes = @ ".MY_FUNC" /* start placing following functions in section .MY_FUNC */ > > # pragma default_function_attributes = /* stop placing functions in section*/ > > > > # pragma default_variable_attributes = @ ".MY_DATA" /* start placing following variables in section .MY_DATA */ > > # pragma default_variable_attributes = /* stop placing functions in section*/ > To the best of my knowledge, there is no way to do this in gcc - you > have to put the section attribute on each function. (You can use a > macro to reduce the typing!) There are no such pragmas, correct. And macros+attributes (as you suggest) is a more flexible solution. Is there some use case that would make such pragmas super useful, overcoming all the obvious usability downsides of it? > If you are versed in linker files, it is possible to have a modified > linker setup to put the code or data from a specific file into > non-standard output sections. Or you can play games with objcopy. > I too would like to see this as a feature in gcc - it is one of the few > features that are common to most embedded compilers but missing from gcc. Do -ffunction-sections / -fdata-sections help your use case? Segher
