linux-user, alpha: add syscall table generation support

Copy syscall.tbl and syscallhdr.sh from linux/arch/alpha/kernel/syscalls v5.5
Update syscallhdr.sh to generate QEMU syscall_nr.h

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Taylor Simpson <tsimpson@quicinc.com>
Message-Id: <20200310103403.3284090-3-laurent@vivier.eu>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

1 files changed, 2 insertions, 1 deletions

diff --git a/configure b/configure
index 39e55a1ecf..5a024d2490 100755
--- a/configure
+++ b/configure
@@ -1889,7 +1889,7 @@ rm -f */config-devices.mak.d
 
 # Remove syscall_nr.h to be sure they will be regenerated in the build
 # directory, not in the source directory
-for arch in ; do
+for arch in alpha ; do
     # remove the file if it has been generated in the source directory
     rm -f "${source_path}/linux-user/${arch}/syscall_nr.h"
     # remove the dependency files
@@ -7795,6 +7795,7 @@ case "$target_name" in
   ;;
   alpha)
     mttcg="yes"
+    TARGET_SYSTBL_ABI=common
   ;;
   arm|armeb)
     TARGET_ARCH=arm