stubs: handle linux-specific

Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>

4 files changed, 194 insertions, 24 deletions

diff --git a/Makefile.in b/Makefile.in
index 75965aeac..c6db435b6 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -270,7 +270,10 @@ HEADERS_RM-$(UCLIBC_HAS_WCHAR)               += wchar.h wctype.h
 HEADERS_RM-$(UCLIBC_HAS_WORDEXP)             += wordexp.h
 HEADERS_RM-$(UCLIBC_HAS_XATTR)               += sys/xattr.h
 HEADERS_RM-$(UCLIBC_HAS_XLOCALE)             += xlocale.h
-HEADERS_RM-$(UCLIBC_LINUX_SPECIFIC)          += sys/fsuid.h sys/inotify.h sys/perm.h \
+HEADERS_RM-$(UCLIBC_LINUX_SPECIFIC)          += sys/fsuid.h \
+	sys/inotify.h \
+	sys/kdaemon.h \
+	sys/perm.h \
 	sys/personality.h \
 	sys/prctl.h \
 	sys/reboot.h \
@@ -281,6 +284,7 @@ HEADERS_RM-$(UCLIBC_LINUX_SPECIFIC)          += sys/fsuid.h sys/inotify.h sys/pe
 	sys/swap.h \
 	sys/sysctl.h \
 	sys/sysinfo.h \
+	sys/timerfd.h \
 	sys/vfs.h
 HEADERS_RM-$(UCLIBC_SUPPORT_AI_ADDRCONFIG)   += ifaddrs.h
 HEADERS_RM-$(UCLIBC_SV4_DEPRECATED)          += ustat.h sys/ustat.h bits/ustat.h
diff --git a/extra/Configs/Config.in b/extra/Configs/Config.in
index d1b3cb2df..a4398cb97 100644
--- a/extra/Configs/Config.in
+++ b/extra/Configs/Config.in
@@ -944,15 +944,16 @@ config UCLIBC_LINUX_SPECIFIC
 	bool "Linux specific functions"
 	default y
 	help
-	  accept4(),
+	  accept4(), bdflush(),
 	  capget(), capset(), fstatfs(), inotify_*(), ioperm(), iopl(),
 	  madvise(), modify_ldt(), pipe2(), personality(),
-	  prctl()/arch_prctl(),
+	  prctl()/arch_prctl(), pivot_root(), modify_ldt(),
 	  ppoll(), readahead(), reboot(), remap_file_pages(),
 	  sched_getaffinity(), sched_setaffinity(), sendfile(),
-	  setfsgid(), setfsuid(), setresuid(),
+	  setfsgid(), setfsuid(), setresgid(), setresuid(),
 	  splice(), vmsplice(), tee(), signalfd(), swapoff(), swapon(),
-	  sync_file_range(), sysctl(), sysinfo(), vhangup()
+	  sync_file_range(), _sysctl(), sysinfo(), timerfd_*(), vhangup(),
+	  umount(), umount2()
 
 config UCLIBC_HAS_GNU_ERROR
 	bool "Support GNU extensions for error-reporting"
diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in
index 63f3f6f07..570bb93e7 100644
--- a/libc/sysdeps/linux/common/Makefile.in
+++ b/libc/sysdeps/linux/common/Makefile.in
@@ -18,14 +18,45 @@ CSRC-$(findstring y,$(UCLIBC_HAS_SSP)$(UCLIBC_HAS_FORTIFY)) += ssp.c
 CSRC-$(UCLIBC_LINUX_MODULE_24) += create_module.c query_module.c \
 	get_kernel_syms.c
 # we need these internally: fstatfs.c statfs.c
-CSRC-$(UCLIBC_LINUX_SPECIFIC) += capget.c capset.c inotify.c ioperm.c iopl.c \
-	modify_ldt.c pipe2.c personality.c ppoll.c prctl.c \
-	readahead.c reboot.c \
-	remap_file_pages.c sched_getaffinity.c sched_setaffinity.c \
-	sendfile64.c sendfile.c setfsgid.c setfsuid.c setresuid.c \
-	splice.c vmsplice.c tee.c signalfd.c swapoff.c swapon.c \
-	sync_file_range.c sysctl.c sysinfo.c eventfd.c timerfd.c uselib.c \
-	vhangup.c
+CSRC-$(UCLIBC_LINUX_SPECIFIC) += \
+	bdflush.c \
+	capget.c \
+	capset.c \
+	eventfd.c \
+	inotify.c \
+	ioperm.c \
+	iopl.c \
+	modify_ldt.c \
+	personality.c \
+	pipe2.c \
+	ppoll.c \
+	prctl.c \
+	readahead.c \
+	reboot.c \
+	remap_file_pages.c \
+	sched_getaffinity.c \
+	sched_setaffinity.c \
+	sendfile.c \
+	setfsgid.c \
+	setfsuid.c \
+	setresgid.c \
+	setresuid.c \
+	signalfd.c \
+	splice.c \
+	swapoff.c \
+	swapon.c \
+	sync_file_range.c \
+	sysctl.c \
+	sysinfo.c \
+	tee.c \
+	timerfd.c \
+	umount2.c \
+	umount.c \
+	uselib.c \
+	vhangup.c \
+	vmsplice.c
+CSRC-$(if $(findstring yy,$(UCLIBC_LINUX_SPECIFIC)$(UCLIBC_HAS_LFS)),y) += \
+	sendfile64.c
 # NPTL needs these internally: madvise.c
 CSRC-$(findstring y,$(UCLIBC_LINUX_SPECIFIC)$(UCLIBC_HAS_THREADS_NATIVE)) += madvise.c
 ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)
diff --git a/libc/sysdeps/linux/common/stubs.c b/libc/sysdeps/linux/common/stubs.c
index fc2d98d5a..2f170ead9 100644
--- a/libc/sysdeps/linux/common/stubs.c
+++ b/libc/sysdeps/linux/common/stubs.c
@@ -7,6 +7,7 @@
  */
 
 #include <errno.h>
+#include <bits/wordsize.h>
 #include <sys/syscall.h>
 
 #ifdef __UCLIBC_HAS_STUBS__
@@ -46,6 +47,7 @@ static int enosys_stub(void)
 # undef __NR_modify_ldt
 # undef __NR_personality
 # undef __NR_pipe2
+# undef __NR_pivot_root
 # undef __NR_ppoll
 # undef __NR_prctl
 # undef __NR_readahead
@@ -99,7 +101,19 @@ make_stub(accept)
 make_stub(accept4)
 #endif
 
-#ifndef __NR_bdflush
+#if !defined __NR_arch_prctl && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(arch_prctl)
+#endif
+
+#if !defined __NR_capget && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(capget)
+#endif
+
+#if !defined __NR_capset && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(capset)
+#endif
+
+#if !defined __NR_bdflush && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(bdflush)
 #endif
 
@@ -163,6 +177,10 @@ make_stub(fremovexattr)
 make_stub(fsetxattr)
 #endif
 
+#if !defined __NR_fstatfs && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(fstatfs)
+#endif
+
 #ifndef __NR_get_kernel_syms
 make_stub(get_kernel_syms)
 #endif
@@ -191,6 +209,30 @@ make_stub(getxattr)
 make_stub(init_module)
 #endif
 
+#if !defined __NR_inotify_init && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(inotify_init)
+#endif
+
+#if !defined __NR_inotify_init1 && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(inotify_init1)
+#endif
+
+#if !defined __NR_inotify_add_watch && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(inotify_add_watch)
+#endif
+
+#if !defined __NR_inotify_rm_watch && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(inotify_rm_watch)
+#endif
+
+#if !defined __NR_ioperm && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(ioperm)
+#endif
+
+#if !defined __NR_iopl && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(iopl)
+#endif
+
 #ifndef __NR_lgetxattr
 make_stub(lgetxattr)
 #endif
@@ -215,19 +257,47 @@ make_stub(lremovexattr)
 make_stub(lsetxattr)
 #endif
 
-#ifndef __NR_pipe2
+#if !defined __NR_madvise && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(madvise)
+#endif
+
+#if !defined __NR_modify_ldt && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(modify_ldt)
+#endif
+
+#if !defined __NR_personality && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(personality)
+#endif
+
+#if !defined __NR_pipe2 && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(pipe2)
 #endif
 
-#ifndef __NR_pivot_root
+#if !defined __NR_pivot_root && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(pivot_root)
 #endif
 
+#if !defined __NR_ppoll && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(ppoll)
+#endif
+
+#if !defined __NR_prctl && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(prctl)
+#endif
+
+#if !defined __NR_readahead && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(readahead)
+#endif
+
+#if !defined __NR_reboot && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(reboot)
+#endif
+
 #ifndef __NR_query_module
 make_stub(query_module)
 #endif
 
-#if !defined __NR_recv && !defined __NR_socketcall && && !defined __NR_recvfrom && defined __UCLIBC_HAS_SOCKET__
+#if !defined __NR_recv && !defined __NR_socketcall && !defined __NR_recvfrom && defined __UCLIBC_HAS_SOCKET__
 make_stub(recv)
 #endif
 
@@ -239,15 +309,19 @@ make_stub(recvfrom)
 make_stub(recvmsg)
 #endif
 
+#if !defined __NR_remap_file_pages && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(remap_file_pages)
+#endif
+
 #ifndef __NR_removexattr
 make_stub(removexattr)
 #endif
 
-#ifndef __NR_sched_getaffinity
+#if !defined __NR_sched_getaffinity && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(sched_getaffinity)
 #endif
 
-#ifndef __NR_sched_setaffinity
+#if !defined __NR_sched_setaffinity && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(sched_setaffinity)
 #endif
 
@@ -255,6 +329,14 @@ make_stub(sched_setaffinity)
 make_stub(send)
 #endif
 
+#if !defined __NR_sendfile && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(sendfile)
+#endif
+
+#if !defined __NR_sendfile64 && !defined __NR_sendfile && defined __UCLIBC_LINUX_SPECIFIC__ && defined __UCLIBC_HAS_LFS__
+make_stub(sendfile64)
+#endif
+
 #if !defined __NR_sendmsg && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
 make_stub(sendmsg)
 #endif
@@ -263,6 +345,22 @@ make_stub(sendmsg)
 make_stub(sendto)
 #endif
 
+#if ((__WORDSIZE == 32 && (!defined __NR_setfsgid32 && !defined __NR_setfsgid)) || (__WORDSIZE == 64 && !defined __NR_setfsgid)) && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(setfsgid)
+#endif
+
+#if ((__WORDSIZE == 32 && (!defined __NR_setfsuid32 && !defined __NR_setfsuid)) || (__WORDSIZE == 64 && !defined __NR_setfsuid)) && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(setfsuid)
+#endif
+
+#if !defined __NR_setresgid32 && !defined __NR_setresgid && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(setresgid)
+#endif
+
+#if !defined __NR_setresuid32 && !defined __NR_setresuid && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(setresuid)
+#endif
+
 #if !defined __NR_setsockopt && !defined __NR_socketcall && defined __UCLIBC_HAS_SOCKET__
 make_stub(setsockopt)
 #endif
@@ -275,7 +373,7 @@ make_stub(setxattr)
 make_stub(shutdown)
 #endif
 
-#if !defined(__NR_signalfd4) && !defined(__NR_signalfd)
+#if !defined __NR_signalfd4 && !defined __NR_signalfd && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(signalfd)
 #endif
 
@@ -296,19 +394,51 @@ make_stub(sigtimedwait)
 make_stub(sigwaitinfo)
 #endif
 
-#ifndef __NR_splice
+#if !defined __NR_splice && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(splice)
 #endif
 
-#ifndef __NR_sync_file_range
+#if !defined __NR_swapoff && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(swapoff)
+#endif
+
+#if !defined __NR_swapon && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(swapon)
+#endif
+
+#if !defined __NR_sync_file_range && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(sync_file_range)
 #endif
 
-#if !defined(__NR_umount) && !defined(__NR_umount2)
+#if !defined __NR__sysctl && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(_sysctl)
+#endif
+
+#if !defined __NR_sysinfo && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(sysinfo)
+#endif
+
+#if !defined __NR_tee && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(tee)
+#endif
+
+#if !defined __NR_timerfd_create && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(timerfd_create)
+#endif
+
+#if !defined __NR_timerfd_settime && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(timerfd_settime)
+#endif
+
+#if !defined __NR_timerfd_gettime && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(timerfd_gettime)
+#endif
+
+#if !defined __NR_umount && !defined __NR_umount2 && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(umount)
 #endif
 
-#ifndef __NR_umount2
+#if !defined __NR_umount2 && defined __UCLIBC_LINUX_SPECIFIC__
 make_stub(umount2)
 #endif
 
@@ -320,6 +450,10 @@ make_stub(lutimes)
 # endif
 #endif
 
+#if !defined __NR_vhangup && defined __UCLIBC_LINUX_SPECIFIC__
+make_stub(vhangup)
+#endif
+
 #ifndef __NR_vmsplice
 make_stub(vmsplice)
 #endif