# Makefile for uClibc NPTL
#
# Copyright (C) 2006 Steven J. Hill <sjhill@uclibc.org>
#
# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
#

subdirs += libpthread/nptl/sysdeps/unix/sysv/linux \
	   libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)
ifneq ($(abspath libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)),$(abspath libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)/$(TARGET_SUBARCH)))
subdirs += libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)/$(TARGET_SUBARCH)
endif

libpthread_linux_DIR := $(top_srcdir)libpthread/nptl/sysdeps/unix/sysv/linux
libpthread_linux_OUT := $(top_builddir)libpthread/nptl/sysdeps/unix/sysv/linux
libpthread_linux_arch_DIR := $(libpthread_linux_DIR)/$(TARGET_ARCH)
libpthread_linux_arch_OUT := $(libpthread_linux_OUT)/$(TARGET_ARCH)

libc_linux_CSRC :=
libpthread_linux_CSRC :=
librt_linux_CSRC :=

-include $(libpthread_linux_arch_DIR)/Makefile.arch

ifneq ($(TARGET_SUBARCH),)
libpthread_linux_subarch_DIR := $(libpthread_linux_arch_DIR)/$(TARGET_SUBARCH)
libpthread_linux_subarch_OUT := $(libpthread_linux_arch_OUT)/$(TARGET_SUBARCH)

libpthread_linux_subarch_SSRC := $(notdir $(wildcard $(libpthread_linux_subarch_DIR)/*.S))
libc_linux_subarch_SSRC := $(notdir $(wildcard $(libpthread_linux_subarch_DIR)/libc-*.S))
librt_linux_subarch_SSRC := $(notdir $(wildcard $(libpthread_linux_subarch_DIR)/librt-*.S))
ifneq ($(libc_linux_subarch_SSRC)$(librt_linux_subarch_SSRC),)
libpthread_linux_subarch_SSRC := $(filter-out $(libc_linux_subarch_SSRC) $(librt_linux_subarch_SSRC),$(libpthread_linux_subarch_SSRC))
libc_linux_arch_CSRC := $(filter-out $(libc_linux_subarch_SSRC:.S=.c),$(libc_linux_arch_CSRC))
libc_linux_arch_SSRC := $(filter-out $(libc_linux_subarch_SSRC),$(libc_linux_arch_SSRC))
endif
ifneq ($(libpthread_linux_subarch_SSRC),)
libpthread_linux_arch_SSRC := $(filter-out $(libpthread_linux_subarch_SSRC),$(libpthread_linux_arch_SSRC))
libpthread_linux_arch_CSRC := $(filter-out $(libpthread_linux_subarch_SSRC:.S=.c),$(libpthread_linux_arch_CSRC))
endif
ifneq ($(librt_linux_subarch_SSRC),)
librt_linux_arch_SSRC := $(filter-out $(librt_linux_subarch_SSRC),$(librt_linux_arch_SSRC))
librt_linux_arch_CSRC := $(filter-out $(librt_linux_subarch_SSRC:.S=.c),$(librt_linux_arch_CSRC))
endif
libpthread_linux_subarch_SOBJ = $(patsubst %.S,$(libpthread_linux_subarch_OUT)/%.o,$(libpthread_linux_subarch_SSRC))
libc_linux_subarch_SOBJ := $(patsubst %.S,$(libpthread_linux_subarch_OUT)/%.o,$(libc_linux_subarch_SSRC))
librt_linux_subarch_SOBJ := $(patsubst %.S,$(libpthread_linux_subarch_OUT)/%.o,$(librt_linux_subarch_SSRC))
endif

libpthread_linux_arch_SOBJ = $(patsubst %.S,$(libpthread_linux_arch_OUT)/%.o,$(libpthread_linux_arch_SSRC))
libpthread_linux_arch_COBJ = $(patsubst %.c,$(libpthread_linux_arch_OUT)/%.o,$(libpthread_linux_arch_CSRC))
libpthread_linux_arch_OBJS := $(libpthread_linux_subarch_SOBJ) $(libpthread_linux_arch_SOBJ) $(libpthread_linux_arch_COBJ)
libc_linux_arch_SOBJ = $(patsubst %.S,$(libpthread_linux_arch_OUT)/%.o,$(libc_linux_arch_SSRC))
libc_linux_arch_COBJ = $(patsubst %.c,$(libpthread_linux_arch_OUT)/%.o,$(libc_linux_arch_CSRC))
libc_linux_arch_OBJS := $(libc_linux_subarch_SOBJ) $(libc_linux_arch_SOBJ) $(libc_linux_arch_COBJ)
librt_linux_arch_SOBJ = $(patsubst %.S,$(libpthread_linux_arch_OUT)/%.o,$(librt_linux_arch_SSRC))
librt_linux_arch_COBJ = $(patsubst %.c,$(libpthread_linux_arch_OUT)/%.o,$(librt_linux_arch_CSRC))
librt_linux_arch_OBJS := $(librt_linux_subarch_SOBJ) $(librt_linux_arch_SOBJ) $(librt_linux_arch_COBJ)

libpthread_linux_CSRC += pthread_attr_getaffinity.c pthread_attr_setaffinity.c \
	pthread_getaffinity.c pthread_setaffinity.c		\
	pthread_getcpuclockid.c pthread_kill.c			\
	pthread_mutex_cond_lock.c pthread_yield.c		\
	sem_post.c sem_timedwait.c sem_trywait.c sem_wait.c	\
	pt-fork.c pt-sleep.c pthread_sigqueue.c			\
	sigtimedwait.c sigwaitinfo.c sigwait.c			\
	lowlevellock.c lowlevelrobustlock.c

libpthread_linux_SSRC := #ptw-close.S ptw-open.S ptw-waitid.S ptw-waidpid.S ptw-write.S

libc_linux_CSRC += libc_pthread_init.c libc_multiple_threads.c		\
	register-atfork.c unregister-atfork.c getpid.c		\
	raise.c sleep.c jmp-unwind.c libc-lowlevellock.c

librt_linux_CSRC += mq_notify.c timer_create.c timer_delete.c		\
	timer_getoverr.c timer_gettime.c timer_routines.c		\
	timer_settime.c

# These provide both a cancellable and a not cancellable implementation
libc_linux_SSRC = close.S open.S write.S read.S waitpid.S
libc_linux_SSRC := $(filter-out $(libc_linux_arch_SSRC-OMIT),$(libc_linux_SSRC))

libpthread_linux_CSRC := $(filter-out $(notdir $(libpthread_linux_arch_OBJS:.o=.c)),$(libpthread_linux_CSRC))
libpthread_linux_SSRC := $(filter-out $(notdir $(libpthread_linux_arch_OBJS:.o=.S)),$(libpthread_linux_SSRC))
libc_linux_SSRC := $(filter-out $(notdir $(libc_linux_arch_OBJS:.o=.S)),$(libc_linux_SSRC))
libc_linux_CSRC := $(filter-out $(notdir $(libc_linux_arch_OBJS:.o=.c)),$(libc_linux_CSRC))
librt_linux_SSRC := $(filter-out $(notdir $(librt_linux_arch_OBJS:.o=.S)),$(librt_linux_SSRC))
librt_linux_CSRC := $(filter-out $(notdir $(librt_linux_arch_OBJS:.o=.c)),$(librt_linux_CSRC))

libpthread_linux_OBJS = $(libpthread_linux_arch_OBJS)
libpthread_linux_OBJS += $(patsubst %.c,$(libpthread_linux_OUT)/%.o,$(libpthread_linux_CSRC))
libpthread_linux_OBJS += $(patsubst %.S,$(libpthread_linux_OUT)/%.o,$(libpthread_linux_SSRC))
ifneq ($(libpthread_linux_OMIT_OBJS),)
libpthread_linux_OBJS := $(filter-out $(libpthread_linux_OMIT_OBJS),$(libpthread_linux_OBJS))
endif

libpthread-a-y += $(if $(DOPIC),$(libpthread_linux_OBJS:.o=.os),$(libpthread_linux_OBJS))
libpthread-so-y += $(libpthread_linux_OBJS:.o=.oS)
libpthread-so-y += $(libpthread_linux_OUT)/pt-raise.oS
#libpthread-nomulti-y += $(libpthread_linux_OBJS)

libc_linux_OBJS := $(libc_linux_arch_OBJS)
libc_linux_OBJS += $(patsubst %.c,$(libpthread_linux_OUT)/%.o,$(libc_linux_CSRC))
libc_linux_OBJS += $(patsubst %.S,$(libpthread_linux_OUT)/%.o,$(libc_linux_SSRC))
ifneq ($(libc_linux_OMIT_OBJS),)
libc_linux_OBJS := $(filter-out $(libc_linux_OMIT_OBJS),$(libc_linux_OBJS))
endif

libc-static-y += $(libc_linux_OBJS)
libc-shared-y += $(libc_linux_OBJS:.o=.oS)
#libc-nomulti-y += $(libc_linux_OBJS)

librt_linux_OBJS := $(librt_linux_arch_OBJS)
librt_linux_OBJS += $(patsubst %.c,$(libpthread_linux_OUT)/%.o,$(librt_linux_CSRC))
librt_linux_OBJS += $(patsubst %.S,$(libpthread_linux_OUT)/%.o,$(librt_linux_SSRC))

objclean-y += CLEAN_libpthread/nptl/sysdeps/unix/sysv/linux
headers_clean-y += HEADERCLEAN_libpthread/nptl/sysdeps/unix/sysv/linux

CFLAGS-pthread_getcpuclockid.c = -I$(top_srcdir)librt
CFLAGS-pt-pread_pwrite.c = -I$(top_srcdir)libc/sysdeps/linux/$(TARGET_ARCH) \
			    -I$(top_srcdir)libc/sysdeps/linux/common
CFLAGS-mq_notify.c = -I$(top_srcdir)librt -DIS_IN_librt=1
CFLAGS-timer_create.c = -I$(top_srcdir)librt -DIS_IN_librt=1
CFLAGS-timer_delete.c = -I$(top_srcdir)librt -DIS_IN_librt=1
CFLAGS-timer_getoverr.c = -I$(top_srcdir)librt -DIS_IN_librt=1
CFLAGS-timer_gettime.c = -I$(top_srcdir)librt -DIS_IN_librt=1
CFLAGS-timer_routines.c = -I$(top_srcdir)librt -DIS_IN_librt=1
CFLAGS-timer_settime.c = -I$(top_srcdir)librt -DIS_IN_librt=1

CFLAGS-linux = -DNOT_IN_libc=1 -DIS_IN_libpthread=1 $(SSP_ALL_CFLAGS)

CFLAGS-OMIT-libc_pthread_init.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-libc_multiple_threads.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-register-atfork.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-unregister-atfork.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-getpid.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-raise.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-sleep.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-libc-lowlevellock.c = -DNOT_IN_libc=1 -DIS_IN_libpthread=1

CFLAGS-OMIT-close.S = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-open.S = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-read.S = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-write.S = -DNOT_IN_libc=1 -DIS_IN_libpthread=1
CFLAGS-OMIT-waitpid.S = -DNOT_IN_libc=1 -DIS_IN_libpthread=1

CFLAGS-OMIT-mq_notify.c = -DIS_IN_libpthread=1
CFLAGS-OMIT-timer_create.c = -DIS_IN_libpthread=1
CFLAGS-OMIT-timer_delete.c = -DIS_IN_libpthread=1
CFLAGS-OMIT-timer_getoverr.c = -DIS_IN_libpthread=1
CFLAGS-OMIT-timer_gettime.c = -DIS_IN_libpthread=1
CFLAGS-OMIT-timer_routines.c = -DIS_IN_libpthread=1
CFLAGS-OMIT-timer_settime.c = -DIS_IN_libpthread=1

ASFLAGS-open.S = -D_LIBC_REENTRANT
ASFLAGS-close.S = -D_LIBC_REENTRANT
ASFLAGS-read.S = -D_LIBC_REENTRANT
ASFLAGS-write.S = -D_LIBC_REENTRANT
ASFLAGS-waitpid.S = -D_LIBC_REENTRANT

#
# Create header files.
#
CFLAGS-gen_lowlevelbarrier.c = -S
CFLAGS-gen_lowlevelcond.c = -S
CFLAGS-gen_lowlevelrobustlock.c = -S
CFLAGS-gen_lowlevelrwlock.c = -S
CFLAGS-gen_pthread-pi-defines.c = -S
CFLAGS-gen_structsem.c = -S
CFLAGS-gen_unwindbuf.c = -S

PTHREAD_GENERATE_MANGLE ?= -n "s/^.*@@@name@@@\([^@]*\)@@@value@@@[^0-9Xxa-fA-F-]*\([0-9Xxa-fA-F-][0-9Xxa-fA-F-]*\).*@@@end@@@.*\$$/\#define \1 \2/p"

PTHREAD_LINUX_SYM   := $(notdir $(wildcard $(libpthread_linux_DIR)/*.sym))
PTHREAD_LINUX_SYM_C := $(addprefix $(libpthread_linux_OUT)/gen_,$(PTHREAD_LINUX_SYM:.sym=.c))
PTHREAD_LINUX_SYM_S := $(PTHREAD_LINUX_SYM_C:.c=.s)
PTHREAD_LINUX_SYM_H := $(addprefix $(libpthread_linux_OUT)/,$(PTHREAD_LINUX_SYM:.sym=.h))

$(PTHREAD_LINUX_SYM_C): $(libpthread_linux_OUT)/gen_%.c: $(libpthread_linux_DIR)/%.sym | $(libpthread_linux_OUT)
	$(do_awk) $(top_srcdir)extra/scripts/gen-as-const.awk $< > $@
$(PTHREAD_LINUX_SYM_S): $(libpthread_linux_OUT)/gen_%.s: $(libpthread_linux_OUT)/gen_%.c | headers
	$(compile.c)
libpthread-generated-y += $(PTHREAD_LINUX_SYM_S)
$(PTHREAD_LINUX_SYM_H): $(libpthread_linux_OUT)/%.h: $(libpthread_linux_OUT)/gen_%.s
	$(do_sed) $(PTHREAD_GENERATE_MANGLE) $< > $@
	@if test ! -s $@ ; then rm -f $@ ; false ; fi

pregen-headers-$(UCLIBC_HAS_THREADS_NATIVE) += $(PTHREAD_LINUX_SYM_H)

HEADERS_BITS_PTHREAD     := $(notdir $(wildcard $(libpthread_linux_DIR)/bits/*.h))
ALL_HEADERS_BITS_PTHREAD := $(addprefix $(top_builddir)include/bits/,$(HEADERS_BITS_PTHREAD))

$(ALL_HEADERS_BITS_PTHREAD): $(top_builddir)include/bits/%: | $(top_builddir)include/bits
	$(do_ln) $(call rel_srcdir)$(libpthread_linux_DIR)/bits/$(@F) $@

HEADERCLEAN_libpthread/nptl/sysdeps/unix/sysv/linux:
	$(do_rm) $(PTHREAD_LINUX_SYM_C) $(PTHREAD_LINUX_SYM_S) \
		$(PTHREAD_LINUX_SYM_H)

CLEAN_libpthread/nptl/sysdeps/unix/sysv/linux:
	$(do_rm) $(addprefix $(libpthread_linux_OUT)/*., o os oS)

objclean-y+=CLEAN_libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)
CLEAN_libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH):
	$(do_rm) $(addprefix $(libpthread_linux_arch_OUT)/*., o os oS)
ifneq ($(TARGET_SUBARCH),)
objclean-y+=CLEAN_libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)/$(TARGET_SUBARCH)
CLEAN_libpthread/nptl/sysdeps/unix/sysv/linux/$(TARGET_ARCH)/$(TARGET_SUBARCH):
	$(do_rm) $(addprefix $(libpthread_linux_subarch_OUT)/*., o os oS)
endif