gnu-efi/apps/Makefile

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Makefile
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#
# Copyright (C) 1999-2001 Hewlett-Packard Co.
# Contributed by David Mosberger <davidm@hpl.hp.com>
# Contributed by Stephane Eranian <eranian@hpl.hp.com>
#
# 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.
# * Neither the name of Hewlett-Packard Co. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
# CONTRIBUTORS "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 COPYRIGHT OWNER OR CONTRIBUTORS
# BE LIABLE FOR ANYDIRECT, 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.
#
SRCDIR = .
VPATH = $(SRCDIR)
TOPDIR = $(SRCDIR)/..
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include $(SRCDIR)/../Make.defaults
LINUX_HEADERS = /usr/src/sys/build
APPSDIR = $(LIBDIR)/gnuefi/apps
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CPPFLAGS += -D__KERNEL__ -I$(LINUX_HEADERS)/include
ifneq ($(HAVE_EFI_OBJCOPY),)
ifeq ($(SYSTEM_HAS_EFI_OBJCOPY),0)
CRT0_LOCAL = -local
LDS_LOCAL = _local
endif
endif
ifeq ($(IS_MINGW32),)
# The CRT0 libs are only needed for non MinGW platforms
CRT0_LIBS = -lgnuefi
endif
ifneq ($(CRT0_LIBS),)
CRTOBJS = $(TOPDIR)/$(ARCH)/gnuefi/crt0-efi-$(ARCH)$(CRT0_LOCAL).o
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LDSCRIPT = $(TOPDIR)/gnuefi/elf_$(ARCH)_efi$(LDS_LOCAL).lds
ifeq ($(USING_FREEBSD),1)
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LDSCRIPT = $(TOPDIR)/gnuefi/elf_$(ARCH)_fbsd_efi.lds
endif
LDFLAGS += -L$(TOPDIR)/$(ARCH)/lib -L$(TOPDIR)/$(ARCH)/gnuefi $(CRTOBJS)
LOADLIBES += -T $(LDSCRIPT)
endif
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LDFLAGS += -shared -Bsymbolic -L$(TOPDIR)/$(ARCH)/lib
LOADLIBES += -lefi $(CRT0_LIBS)
LOADLIBES += $(LIBGCC)
TARGET_APPS = t.efi t2.efi t3.efi t4.efi t5.efi t6.efi t7.efi t8.efi \
tcc.efi printenv.efi modelist.efi route80h.efi drv0_use.efi \
AllocPages.efi exit.efi FreePages.efi bltgrid.efi \
lfbgrid.efi setdbg.efi unsetdbg.efi old_ABI.efi
ifeq ($(IS_MINGW32),)
TARGET_APPS += setjmp.efi debughook.efi debughook.efi.debug \
ctors_test.efi ctors_dtors_priority_test.efi
endif
ifeq ($(USING_FREEBSD),0)
TARGET_BSDRIVERS = drv0.efi
else
TARGET_BSDRIVERS =
endif
TARGET_RTDRIVERS =
SUBSYSTEM := 0xa
$(TARGET_BSDRIVERS): SUBSYSTEM = 0xb
$(TARGET_RTDRIVERS): SUBSYSTEM = 0xc
ifeq ($(SYSTEM_HAS_EFI_OBJCOPY),1)
FORMAT := -O efi-app-$(ARCH)
$(TARGET_BSDRIVERS): FORMAT=-O efi-bsdrv-$(ARCH)
$(TARGET_RTDRIVERS): FORMAT=-O efi-rtdrv-$(ARCH)
ifneq ($(IS_MINGW32),)
LDFLAGS += -s -Wl,-dll -Wl,--subsystem,$(SUBSYSTEM)
ifeq ($(ARCH),ia32)
LDFLAGS += -e _efi_main
else
LDFLAGS += -e efi_main
endif
endif
else
FORMAT := -O binary
LDFLAGS += --defsym=EFI_SUBSYSTEM=$(SUBSYSTEM)
endif
TARGETS = $(TARGET_APPS) $(TARGET_BSDRIVERS) $(TARGET_RTDRIVERS)
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all: $(TARGETS)
Make ELF constructors and destructors work This makes setup and teardown functions defined with __attribute__((__constructor__) and __attribute__((__destructor__)) work in normal circumstances in EFI binaries. A couple of notes: - it implements both the old-style .ctors/.dtors methods and the newer style .init_array/.fini_array ELF constructor and destructor arrays, processed in the order: .init_array[] .ctors[] efi_main() .dtors[] .fini_array[] - Destructors will only be called if efi_main() exits using "return"; any call to Exit() will still longjmp() past them. - InitializeLib() has already been called before constructors run, so they don't need to call it (and neither does anything else.) For compatibility, it has been altered so calling it more than once is safe. - No attempt is made to handle any constructor or destructor with a prototype other than "void func(void);", but note that InitializeLib has been called, so LibImageHandle, ST, BS, and RT are set. - The init_array/ctor/dtor/fini_array lists aren't the using the GNU "CONSTRUCTOR" output section command, so they don't start with a size. - The lists are individually sorted during the link stage via SORT_BY_NAME() in the linker script. - The default (empty) init_array/ctor/dtor/fini_array lists are padded out to 8-byte alignment with ".p2align 3, 0", and each list always has at least one ".long 0" at the end of it (even if it's completely empty). As a result, they can have NULLs that need to be skipped. The sections they're in are mergeable, so the NULLs don't have to be exclusively at the end. - The ia64 and mips64el arches have not been tested. Signed-off-by: Peter Jones <pjones@redhat.com>
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ctors_test.so : ctors_fns.o ctors_test.o
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clean:
@rm -vf $(TARGETS) *~ *.o *.so
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install:
mkdir -p $(INSTALLROOT)$(APPSDIR)
$(INSTALL) -m 644 $(TARGETS) $(INSTALLROOT)$(APPSDIR)
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.PHONY: install
include $(SRCDIR)/../Make.rules