Ping on ticket 4728 + patch

Sebastian Huber sebastian.huber at embedded-brains.de
Wed Oct 19 04:24:06 UTC 2022


On 18/10/2022 21:02, Alan Cudmore wrote:
> *From: *Sebastian Huber <mailto:sebastian.huber at embedded-brains.de>
> *Sent: *Tuesday, October 18, 2022 11:15 AM
> *To: *Alan Cudmore <mailto:alan.cudmore at gmail.com>; joel at rtems.org 
> <mailto:joel at rtems.org>
> *Cc: *rtems-devel at rtems.org <mailto:devel at rtems.org>
> *Subject: *Re: Ping on ticket 4728 + patch
> 
> On 18/10/2022 16:36, Alan Cudmore wrote:
> 
>  > On Tue, Oct 18, 2022 at 9:55 AM Joel Sherrill<joel at rtems.org>  wrote:
> 
>  >>
> 
>  >>
> 
>  >> On Tue, Oct 18, 2022 at 8:44 AM Alan 
> Cudmore<alan.cudmore at gmail.com>  wrote:
> 
>  >>> The log does have the error, and I get it when building by hand too:
> 
>  >>> start.o: in function `.L0 ':
> 
>  >>> 
> /home/alan/rtems/test-build/rtems-tmp/build/riscv/rv32imafdc/../../../bsps/riscv/shared/start/start.S:86:(.bsp_start_text+0x5c):
> 
>  >>> relocation truncated to fit: R_RISCV_GPREL_I against symbol
> 
>  >>> `bsp_section_bss_size' defined in*ABS*  section in
> 
>  >>> 
> /home/alan/rtems/test-build/rtems-tmp/build/riscv/rv32imafdc/testsuites/samples/minimum.exe
> 
>  >>> collect2: error: ld returned 1 exit status
> 
>  >>
> 
>  >>
> 
>  >> Hmmm.. that's weird. You should never get a truncation error linking 
> minimum.exe.
> 
>  >> It should always fit within the BSP's memory and not have any issues 
> with branches
> 
>  >> or calls needing fixup.
> 
>  >>
> 
>  >> Unless the wrong type of branch/jump/call instruction is used at 
> start.S:86, I have
> 
>  >> no idea.If it's a form that assumes a short distance to the 
> destination but is going
> 
>  >> to a symbol outside start.S and thus could be further.
> 
>  > Also, 6 of the samples such as hello.exe link without error.
> 
>  > The rv32imafdc BSP variant does not have CPU_CFLAGS.
> 
>  > rv32imafd links fine and has specific CPU_CFLAGS, rv32imafdc does not
> 
>  > have the flags.
> 
>  > (I'll research the gcc defaults and architecture differences next..)
> 
>  >
> 
>  > I get a similar error on the frdme310arty BSP but only on a specific
> 
>  > POSIX testsuite executable:
> 
>  >
> 
>  > start.o: in function `.L0 ':
> 
>  >
> 
>  > 
> /home/alan/rtems/test-build/rtems-tmp/build/riscv/frdme310arty/../../../bsps/riscv/shared/start/start.S:86:(.bsp_start_text+0x28):
> 
>  > relocation truncated to fit: R_RISCV_GPREL_I against symbol
> 
>  > `bsp_section_bss_size' defined in*ABS*  section in
> 
>  > 
> /home/alan/rtems/test-build/rtems-tmp/build/riscv/frdme310arty/testsuites/validation/ts-validation-io-kernel.exe
> 
>  >
> 
>  > collect2: error: ld returned 1 exit status
> 
> My off hand guess is that this is a tool chain issue on certain host
> 
> systems. For example, I never got this error on our OpenSUSE machines.
> 
> I can set up a OpenSUSE virtual machine and try it. I noticed the RSB 
> documentation does not have a set of packages for OpenSUSE – I could 
> send a docs patch after a successful build. What release do you use? Do 
> you have a list of packages to install?

We use openSUSE Leap 15.3 and 15.4. To get the packages maybe try this:

zypper in -t pattern devel_C_C++ devel_python3

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