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#
# Copyright (c) 2005 Martin Decky
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# - Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# - Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in the
#   documentation and/or other materials provided with the distribution.
# - The name of the author may not be used to endorse or promote products
#   derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#

include ../../../version
include ../../Makefile.config

## Setup toolchain
#

LIBC_PREFIX = ../../lib/libc
include $(LIBC_PREFIX)/Makefile.toolchain
include arch/$(ARCH)/Makefile.inc

#CFLAGS += -Iinclude -I../../srv/loader/include  -fPIC -O0 -ggdb
#LFLAGS += -shared --no-undefined -soname rtld.so
CFLAGS += -Iinclude -I../../srv/loader/include -O0 -ggdb
LFLAGS +=

PIC_CFLAGS := $(CFLAGS) -fPIC

DEFS += -DRELEASE=\"$(RELEASE)\"

ifdef REVISION
    DEFS += "-DREVISION=\"$(REVISION)\""
endif

ifdef TIMESTAMP
    DEFS += "-DTIMESTAMP=\"$(TIMESTAMP)\""
endif

## Sources
#

OUTPUT = librtld.a
GENERIC_SOURCES = \
    rtld.c \
    elf_load.c \
    dynamic.c \
    module.c \
    symbol.c

GENERIC_OBJECTS := $(addsuffix .o,$(basename $(GENERIC_SOURCES)))
ARCH_OBJECTS := $(addsuffix .o,$(basename $(ARCH_SOURCES)))

OBJECTS := $(GENERIC_OBJECTS) $(ARCH_OBJECTS)
PIC_OBJECTS := $(addsuffix .pio,$(basename $(OBJECTS)))

.PHONY: all clean depend disasm sections inc

all: inc $(OUTPUT) librtld.pic.a

inc:
    ln -sfn ../arch/$(ARCH)/include include/arch

-include Makefile.depend

clean:
    -rm -f $(OUTPUT) librtld.pic.a $(OUTPUT).map $(OUTPUT).disasm $(OUTPUT).sections Makefile.depend *.o $(PIC_OBJECTS) arch/$(ARCH)/_link.ld include/arch
    find arch/$(ARCH)/ -name '*.o' -follow -exec rm \{\} \;

depend:
    $(CC) $(DEFS) $(CFLAGS) -M $(ARCH_SOURCES) $(GENERIC_SOURCES)> Makefile.depend

$(OUTPUT): depend $(OBJECTS)
    $(AR) rc $(OUTPUT) $(OBJECTS)

librtld.pic.a: depend $(PIC_OBJECTS)
    $(AR) rc librtld.pic.a $(PIC_OBJECTS)

%.o: %.S
    $(CC) $(DEFS) $(AFLAGS) $(CFLAGS) -D__ASM__ -c $< -o $@

%.o: %.s
    $(AS) $(AFLAGS) $< -o $@

%.o: %.c
    $(CC) $(DEFS) $(CFLAGS) -c $< -o $@

%.pio: %.c
    $(CC) $(DEFS) $(PIC_CFLAGS) -c $< -o $@