diff options
| -rw-r--r-- | sysdeps/unix/sysv/linux/x86_64/Makefile | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/Makefile b/sysdeps/unix/sysv/linux/x86_64/Makefile index b14d425e50..e1b4a9561a 100644 --- a/sysdeps/unix/sysv/linux/x86_64/Makefile +++ b/sysdeps/unix/sysv/linux/x86_64/Makefile @@ -1,4 +1,46 @@ ifeq ($(subdir),misc) sysdep_routines += ioperm iopl sysdep_headers += sys/perm.h sys/reg.h sys/debugreg.h sys/io.h + +no_syscall_list_h = 1 + +# Generate the list of SYS_* macros for the system calls (__NR_* macros). +$(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/sys/syscall.h + rm -f $(@:.h=.d)-t + { \ + echo '/* Generated at libc build time from kernel syscall list. */';\ + echo ''; \ + echo '#ifndef _SYSCALL_H'; \ + echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \ + echo '#endif'; \ + echo ''; \ + SUNPRO_DEPENDENCIES='$(@:.h=.d)-t $@' \ + $(CC) -E -x c $(sysincludes) $< -U__x86_64__ -D_LIBC -dM | \ + sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \ + LC_ALL=C sort > $(@:.d=.h).new32; \ + SUNPRO_DEPENDENCIES='$(@:.h=.d)-t $@' \ + $(CC) -E -x c $(sysincludes) $< -D__x86_64 -D_LIBC -dM | \ + sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \ + LC_ALL=C sort > $(@:.d=.h).new64; \ + if cmp -s $(@:.d=.h).new32 $(@:.d=.h).new64; then \ + cat $(@:.d=.h).new32; \ + else \ + echo '#include <bits/wordsize.h>'; \ + echo ''; \ + comm -12 $(@:.d=.h).new32 $(@:.d=.h).new64; \ + echo '#if __WORDSIZE == 64'; \ + comm -13 $(@:.d=.h).new32 $(@:.d=.h).new64; \ + echo '#else'; \ + comm -23 $(@:.d=.h).new32 $(@:.d=.h).new64; \ + echo '#endif'; \ + fi; \ + rm -f $(@:.d=.h).new32 $(@:.d=.h).new64; \ + } > $(@:.d=.h).new + mv -f $(@:.d=.h).new $(@:.d=.h) + sed < $(@:.h=.d)-t > $(@:.h=.d)-t2 \ + -e 's,$(subst .,\.,$@),$(patsubst $(objpfx)%,$$(objpfx)%,\ + $(@:.d=.h) $(@:.h=.d)),' + rm -f $(@:.h=.d)-t + mv -f $(@:.h=.d)-t2 $(@:.h=.d) + endif |