On 26.11.18 10:22, Arnaud Charlet wrote:
>> r266136 broke the ada build on alpha-linux-gnu, filed as PR88191. I didn't
>> find this patch posted to gcc-patches.
>
> Thanks for the heads up.
>
> This is this change:
>
> [Ada] Update signal constants for GNU/Linux
>
> Add the signal SIGSYS and mark the glibc reserved real-time signals
> (32-34) as reserved rather than not maskable.
>
> 2018-11-14 Patrick Bernardi <berna...@adacore.com>
>
> gcc/ada/
>
> * libgnarl/a-intnam__linux.ads: Add SIGSYS.
> * libgnarl/s-linux__alpha.ads, libgnarl/s-linux__android.ads,
> libgnarl/s-linux__hppa.ads, libgnarl/s-linux__mips.ads,
> libgnarl/s-linux__riscv.ads, libgnarl/s-linux__sparc.ads,
> libgnarl/s-linux__x32.ads: Rename SIGLTHRRES, SIGLTHRCAN and
> SIGLTHRDBG to SIG32, SIG33 and SIG34 as their names are
> implementation specific.
> * libgnarl/s-osinte__linux.ads, libgnarl/s-linux.ads: Add
> SIGSYS. Move SIG32, SIG33 and SIG34 from the unmasked list to
> the reserved list.
>
> Pat, can you have a look? Matthias, can you suggest a suitable change since
> we don't have access to an alpha-linux setup?
>
that fixes the build, taken from the sparc64 file. not sure if that is
appropriate.
--- gcc/ada/libgnarl/s-linux__alpha.ads (revision 266457)
+++ gcc/ada/libgnarl/s-linux__alpha.ads (working copy)
@@ -87,6 +87,7 @@
SIGKILL : constant := 9; -- kill (cannot be caught or ignored)
SIGBUS : constant := 10; -- bus error
SIGSEGV : constant := 11; -- segmentation violation
+ SIGSYS : constant := 12; -- bad system call
SIGPIPE : constant := 13; -- write on a pipe with no one to read it
SIGALRM : constant := 14; -- alarm clock
SIGTERM : constant := 15; -- software termination signal from kill
The build continues, but then fails with:
/home/packages/cross/9/p/gcc-cross-ports/gcc/build/./gcc/xgcc
-B/home/packages/cross/9/p/gcc-cross-ports/gcc/build/./gcc/ -
B/usr/alpha-linux-gnu/bin/ -B/usr/alpha-linux-gnu/lib/ -isystem
/usr/alpha-linux-gnu/include -isystem /usr/alpha-linux-gnu/
sys-include -isystem
/home/packages/cross/9/p/gcc-cross-ports/gcc/build/sys-include -c -g -O2 -W
-Wall -gnatpg -nostdi
nc -gnatn s-secsta.adb -o s-secsta.o
raised STORAGE_ERROR : stack overflow or erroneous memory access
make[8]: *** [../gcc-interface/Makefile:299: s-secsta.o] Error 1
