dl06 fails to build for RISC-V (griscv bsp)

Chris Johns chrisj at rtems.org
Tue Sep 8 02:42:17 UTC 2020

On 7/9/20 6:01 pm, Jiri Gaisler wrote:
> On 9/7/20 10:44 AM, Hesham Almatary wrote:
>> I have only made sure rap builds when I added libdl support for
>> RISC-V. But I haven't tested it on run-time, only ELF objects. It's
>> likely to have been failing in run-time all along. Also, there are a
>> few relocations still to be implemented for ELF like PCREL_LO12_X and
>> RELAX. I got around that by passing -mno-relax
> Very interesting! I applied -mno-relax when building dl06, and the error then changed to:
> error: rap::object: Section index '0' not found: /home/jiri/src/rtems/6/bin/../lib/gcc/riscv-rtems6/10.2.1/../../../../riscv-rtems6/lib/rv32imafd/ilp32d/libm.a:lib_a-e_atan2.o at 709534
> Does this indicate that newlib must be build with -mno-relax?

I would need to understand what -mno-relax does.

> If so, maybe we should disable the dlxx tests for RISC-V ..?

I will try and take a look soon. I would prefer not to touch the build system.


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