mirror of
https://github.com/yuzu-emu/unicorn
synced 2024-11-25 01:58:28 +00:00
4c726ca49b
Future patches will be adding more crypto related APIs which rely on QOM infrastructure. This creates a problem, because QOM relies on library constructors to register objects. When you have a file in a static .a library though which is only referenced by a constructor the linker is dumb and will drop that file when linking to the final executable :-( The only workaround for this is to link the .a library to the executable using the -Wl,--whole-archive flag, but this creates its own set of problems because QEMU is relying on lazy linking for libqemuutil.a. Using --whole-archive majorly increases the size of final executables as they now contain a bunch of object code they don't actually use. The least bad option is to thus not include the crypto objects in libqemuutil.la, and instead define a crypto-obj-y variable that is referenced directly by all the executables that need this code (tools + softmmu, but not qemu-ga). We avoid pulling entire of crypto-obj-y into the userspace emulators as that would force them to link to gnutls too, which is not required. Backports commit fb37726db77b21f3731b90693d2c93ade1777528 from qemu
123 lines
3 KiB
Makefile
123 lines
3 KiB
Makefile
# -*- Mode: makefile -*-
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include ../config-host.mak
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include config-target.mak
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include config-devices.mak
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include $(SRC_PATH)/rules.mak
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$(call set-vpath, $(SRC_PATH))
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QEMU_CFLAGS += -I.. -I$(SRC_PATH)/target-$(TARGET_BASE_ARCH) -DNEED_CPU_H
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QEMU_CFLAGS+=-I$(SRC_PATH)/include
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ifdef CONFIG_USER_ONLY
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# user emulator name
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QEMU_PROG=qemu-$(TARGET_NAME)
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QEMU_PROG_BUILD = $(QEMU_PROG)
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else
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# system emulator name
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QEMU_PROG=qemu-system-$(TARGET_NAME)$(EXESUF)
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ifneq (,$(findstring -mwindows,$(libs_softmmu)))
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# Terminate program name with a 'w' because the linker builds a windows executable.
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QEMU_PROGW=qemu-system-$(TARGET_NAME)w$(EXESUF)
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$(QEMU_PROG): $(QEMU_PROGW)
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$(call quiet-command,$(OBJCOPY) --subsystem console $(QEMU_PROGW) $(QEMU_PROG)," GEN $(TARGET_DIR)$(QEMU_PROG)")
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QEMU_PROG_BUILD = $(QEMU_PROGW)
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else
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QEMU_PROG_BUILD = $(QEMU_PROG)
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endif
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endif
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PROGS=$(QEMU_PROG) $(QEMU_PROGW)
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config-target.h: config-target.h-timestamp
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config-target.h-timestamp: config-target.mak
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all: $(PROGS)
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# Dummy command so that make thinks it has done something
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@true
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#########################################################
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# cpu emulator library
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obj-y = exec.o translate-all.o cpu-exec.o
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obj-y += tcg/tcg.o tcg/tcg-op.o tcg/optimize.o
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obj-y += fpu/softfloat.o
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obj-y += target-$(TARGET_BASE_ARCH)/
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#########################################################
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# System emulator target
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ifdef CONFIG_SOFTMMU
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obj-y += cpus.o ioport.o
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obj-y += hw/
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obj-y += memory.o cputlb.o
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obj-y += memory_mapping.o
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LIBS+=$(libs_softmmu)
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# Hardware support
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ifeq ($(TARGET_NAME), sparc64)
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obj-y += hw/sparc64/
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else
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obj-y += hw/$(TARGET_BASE_ARCH)/
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endif
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endif # CONFIG_SOFTMMU
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# Workaround for http://gcc.gnu.org/PR55489, see configure.
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%/translate.o: QEMU_CFLAGS += $(TRANSLATE_OPT_CFLAGS)
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dummy := $(call unnest-vars,,obj-y)
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all-obj-y := $(obj-y)
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block-obj-y :=
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common-obj-y :=
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include $(SRC_PATH)/Makefile.objs
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dummy := $(call unnest-vars,..,util-obj-y)
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target-obj-y-save := $(target-obj-y) $(util-obj-y)
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dummy := $(call unnest-vars,.., \
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block-obj-y \
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block-obj-m \
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crypto-obj-y \
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crypto-aes-obj-y)
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dummy := $(call unnest-vars,..,common-obj-y,common-obj-m)
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target-obj-y := $(target-obj-y-save)
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all-obj-y += $(common-obj-y)
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all-obj-y += $(target-obj-y)
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all-obj-$(CONFIG_SOFTMMU) += $(block-obj-y)
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all-obj-$(CONFIG_USER_ONLY) += $(crypto-aes-obj-y)
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all-obj-$(CONFIG_SOFTMMU) += $(crypto-obj-y)
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# determine shared lib extension
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IS_APPLE := $(shell $(CC) -dM -E - < /dev/null | grep __apple_build_version__ | wc -l | tr -d " ")
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ifeq ($(IS_APPLE),1)
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EXT = dylib
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else
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# Cygwin?
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IS_CYGWIN := $(shell $(CC) -dumpmachine | grep -i cygwin | wc -l)
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ifeq ($(IS_CYGWIN),1)
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EXT = dll
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else
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EXT = so
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endif
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endif
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# build either PROG or PROGW
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$(QEMU_PROG_BUILD): $(all-obj-y)
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clean:
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rm -f *.a *~ $(PROGS)
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rm -f $(shell find . -name '*.[od]')
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install: all
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ifneq ($(PROGS),)
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$(call install-prog,$(PROGS),$(DESTDIR)$(bindir))
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endif
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GENERATED_HEADERS += config-target.h
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Makefile: $(GENERATED_HEADERS)
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