arch: toolchain: Introduce binary format FLAT types.
Just introduce the symbol and options in arch generic Config.in. Add FLAT types specific compiling flags into package makefile. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
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@ -226,6 +226,32 @@ config BR2_BINFMT_FLAT
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endchoice
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# Set up flat binary type
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choice
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prompt "FLAT Binary type"
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depends on BR2_BINFMT_FLAT
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default BR2_BINFMT_FLAT_ONE
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config BR2_BINFMT_FLAT_ONE
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bool "One memory region"
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help
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All segments are linked into one memory region.
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config BR2_BINFMT_FLAT_SEP_DATA
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bool "Separate data and code region"
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depends on BR2_bfin || BR2_m68k
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help
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Allow for the data and text segments to be separated and placed in
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different regions of memory.
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config BR2_BINFMT_FLAT_SHARED
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bool "Shared binary"
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depends on BR2_bfin || BR2_m68k
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help
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Allow to load and link indiviual FLAT binaries at run time.
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endchoice
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if BR2_arcle || BR2_arceb
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source "arch/Config.in.arc"
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endif
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@ -103,6 +103,17 @@ TARGET_CFLAGS = $(TARGET_CPPFLAGS) $(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET
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TARGET_CXXFLAGS = $(TARGET_CFLAGS)
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TARGET_LDFLAGS = $(call qstrip,$(BR2_TARGET_LDFLAGS))
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ifeq ($(BR2_BINFMT_FLAT_SHARED),y)
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TARGET_LDFLAGS += -mid-shared-library -mshared-library-id=0
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TARGET_CFLAGS += -mid-shared-library -mshared-library-id=0
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TARGET_CXXFLAGS += -mid-shared-library -mshared-library-id=0
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endif
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ifeq ($(BR2_BINFMT_FLAT_SEP_DATA),y)
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TARGET_LDFLAGS += -msep-data
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TARGET_CFLAGS += -msep-data
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TARGET_CXXFLAGS += -msep-data
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endif
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ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_CTNG),y)
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TARGET_CROSS=$(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-
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else
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