Subversion Repositories HelenOS

#
# 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
SOFTINT_PREFIX = ../../lib/softint
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 +=

LIBS = $(LIBC_PREFIX)/libc.pic.a $(SOFTINT_PREFIX)/libsoftint.pic.a
DEFS += -DRELEASE=\"$(RELEASE)\"

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

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

## Sources
#

OUTPUT = rtld
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)))

.PHONY: all clean depend disasm sections inc

all: inc $(OUTPUT) disasm sections

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

-include Makefile.depend

clean:
    -rm -f $(OUTPUT) $(OUTPUT).map $(OUTPUT).disasm $(OUTPUT).sections Makefile.depend *.o arch/$(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): $(ARCH_OBJECTS) $(GENERIC_OBJECTS) $(LIBS) arch/$(ARCH)/_link.ld
    $(LD) -T arch/$(ARCH)/_link.ld $(ARCH_OBJECTS) $(GENERIC_OBJECTS) $(LIBS) $(LFLAGS) -o $@ -Map $(OUTPUT).map

disasm:
    $(OBJDUMP) -d -S -s $(OUTPUT) >$(OUTPUT).disasm

sections:
    $(OBJDUMP) -h $(OUTPUT) >$(OUTPUT).sections

arch/$(ARCH)/_link.ld: arch/$(ARCH)/_link.ld.in
    $(CC) $(DEFS) $(CFLAGS) -DLIBC_PREFIX=$(LIBC_PREFIX) -E -x c $< | grep -v "^\#" > $@

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

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

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