diff options
Diffstat (limited to 'sysdeps/unix/make-syscalls.sh')
| -rw-r--r-- | sysdeps/unix/make-syscalls.sh | 35 |
1 files changed, 32 insertions, 3 deletions
diff --git a/sysdeps/unix/make-syscalls.sh b/sysdeps/unix/make-syscalls.sh index e9d0f508b4..c7ddb88999 100644 --- a/sysdeps/unix/make-syscalls.sh +++ b/sysdeps/unix/make-syscalls.sh @@ -47,6 +47,13 @@ echo "$calls" | while read file caller syscall nargs strong weak; do @@@ SYS_ify ($syscall) EOF + case $weak in + *@*) + # The versioned symbols are only in the shared library. + echo "ifneq (,\$(filter .os,\$(object-suffixes)))" + ;; + esac + # Make sure only the first syscall rule is used, if multiple dirs # define the same syscall. echo "ifeq (,\$(filter $file,\$(unix-syscalls)))" @@ -56,9 +63,24 @@ EOF test x$caller = x- || echo "unix-extra-syscalls += $file" # Emit a compilation rule for this syscall. - echo "\ -\$(foreach o,\$(object-suffixes),\$(objpfx)$file\$o): \\ -\$(common-objpfx)s-proto.d + case $weak in + *@*) + # The versioned symbols are only in the shared library. + echo "\ +\$(objpfx)${file}.o: \$(common-objpfx)empty.o + rm -f \$@ + ln \$< \$@ +\$(objpfx)${file}.op: \$(common-objpfx)empty.op + rm -f \$@ + ln \$< \$@ +\$(objpfx)${file}.os: \\" + ;; + *) + echo "\ +\$(foreach o,\$(object-suffixes),\$(objpfx)$file\$o): \\" + ;; + esac + echo "\$(common-objpfx)s-proto.d (echo '#include <sysdep.h>'; \\ echo 'PSEUDO ($strong, $syscall, $nargs)'; \\ echo ' ret'; \\ @@ -109,4 +131,11 @@ EOF echo endif + case $weak in + *@*) + # The versioned symbols are only in the shared library. + echo endif + ;; + esac + done |