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From: Ard Biesheuvel <ard.biesheuvel@linaro.org> 

Date: Fri, 8 Aug 2014 17:53:42 +0200
Subject: [PATCH 3/4] Add support for non-PE/COFF capable objcopy

Introduce HAVE_EFI_OBJCOPY and set it if objcopy for $ARCH support PE/COOF and
EFI, i.e., it supports --target efi-[app|bsdrv|rtdrv] options. Use it to decide
whether to invoke objcopy with those options or use the linker to populate the
PE/COFF header.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Nigel Croxon <nigel.croxon@hp.com>
This commit is contained in:
Nigel Croxon 2014-08-08 15:32:26 -04:00
parent fb063f0f65
commit ac98308152
3 changed files with 27 additions and 7 deletions
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8
gnu-efi-3.0/Make.defaults
View File

@ -107,6 +107,14 @@ ifeq ($(ARCH),x86_64)
endif
endif
#
# Set HAVE_EFI_OBJCOPY if objcopy understands --target efi-[app|bsdrv|rtdrv],
# otherwise we need to compose the PE/COFF header using the assembler
#
ifneq ($(ARCH),aarch64)
export HAVE_EFI_OBJCOPY=y
endif
# Generic compilation flags
INCDIR += -I$(SRCDIR) -I$(TOPDIR)/inc -I$(TOPDIR)/inc/$(ARCH) \
-I$(TOPDIR)/inc/protocol

4
gnu-efi-3.0/Make.rules
View File

@ -35,8 +35,8 @@
#
%.efi: %.so
$(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel \
-j .rela -j .reloc --target=$(FORMAT) $*.so $@
$(OBJCOPY) -j .text -j .sdata -j .data -j .dynamic -j .dynsym -j .rel* \
-j .rela* -j .reloc $(FORMAT) $*.so $@
%.so: %.o
$(LD) $(LDFLAGS) $^ -o $@ $(LOADLIBES)

22
gnu-efi-3.0/apps/Makefile
View File

@ -58,8 +58,6 @@ LOADLIBES += -lefi -lgnuefi
LOADLIBES += $(shell $(CC) $(ARCH3264) -print-libgcc-file-name)
LOADLIBES += -T $(LDSCRIPT)
FORMAT = efi-app-$(ARCH)
TARGET_APPS = t.efi t2.efi t3.efi t4.efi t5.efi t6.efi \
printenv.efi t7.efi t8.efi tcc.efi modelist.efi \
route80h.efi drv0_use.efi AllocPages.efi \
@ -67,13 +65,27 @@ TARGET_APPS = t.efi t2.efi t3.efi t4.efi t5.efi t6.efi \
TARGET_BSDRIVERS = drv0.efi
TARGET_RTDRIVERS =
ifneq ($(HAVE_EFI_OBJCOPY),)
FORMAT := --target efi-app-$(ARCH)
$(TARGET_BSDRIVERS): FORMAT=--target efi-bsdrv-$(ARCH)
$(TARGET_RTDRIVERS): FORMAT=--target efi-rtdrv-$(ARCH)
else
SUBSYSTEM := 0xa
$(TARGET_BSDRIVERS): SUBSYSTEM = 0xb
$(TARGET_RTDRIVERS): SUBSYSTEM = 0xc
FORMAT := -O binary
LDFLAGS += --defsym=EFI_SUBSYSTEM=$(SUBSYSTEM)
endif
TARGETS = $(TARGET_APPS) $(TARGET_BSDRIVERS) $(TARGET_RTDRIVERS)
all: $(TARGETS)
$(TARGET_BSDRIVERS): FORMAT=efi-bsdrv-$(ARCH)
$(TARGET_RTDRIVERS): FORMAT=efi-rtdrv-$(ARCH)
clean:
rm -f $(TARGETS) *~ *.o *.so