Re: KEEP sections without writing a complete linker script?

[Tristan Gingold <gingold at adacore dot com>]

On Jun 17, 2010, at 6:01 PM, Lars Noschinski wrote:

> * Tristan Gingold <gingold@adacore.com> [10-06-17 15:28]:
>>> | SECTIONS
>>> | {
>>> |   .bootcall_trampoline :
>>> |   {
>>> |     *(.bootcall_trampoline)
>>> |     KEEP(*(.bootcall_trampoline))
>>> |   }
>>> | }
>>> 
>>> This seems to work, but gives me the annoying warning
>>> 
>>> | /usr/lib/gcc/avr/4.3.4/../../../avr/bin/ld: warning: keep_bootcall.x contains output sections; did you forget -T?
> [...]
>> How did you invoke gcc or ld ?  It seems, according to the error message, that you forget the -T switch.  Ie, you
>> should use something like -Wl,-T,myscript.ld
> 
> Using -T would give me not the effect I wanted, as this would replace
> the default linker script.

Ok, you can use -Wl,-dT,-T,myscript.ld to also read the default linker script.

Tristan.