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arch: toolchain: Introduce binary format FLAT types.

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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>
This commit is contained in:
Sonic Zhang 2013-05-03 18:39:37 +08:00 committed by Peter Korsgaard
parent 66d41890ec
commit 57c0543291
2 changed files with 37 additions and 0 deletions
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26
arch/Config.in
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@ -226,6 +226,32 @@ config BR2_BINFMT_FLAT
endchoice
# Set up flat binary type
choice
prompt "FLAT Binary type"
depends on BR2_BINFMT_FLAT
default BR2_BINFMT_FLAT_ONE
config BR2_BINFMT_FLAT_ONE
bool "One memory region"
help
All segments are linked into one memory region.
config BR2_BINFMT_FLAT_SEP_DATA
bool "Separate data and code region"
depends on BR2_bfin || BR2_m68k
help
Allow for the data and text segments to be separated and placed in
different regions of memory.
config BR2_BINFMT_FLAT_SHARED
bool "Shared binary"
depends on BR2_bfin || BR2_m68k
help
Allow to load and link indiviual FLAT binaries at run time.
endchoice
if BR2_arcle || BR2_arceb
source "arch/Config.in.arc"
endif

11
package/Makefile.in
View file

@ -103,6 +103,17 @@ TARGET_CFLAGS = $(TARGET_CPPFLAGS) $(TARGET_ABI) $(TARGET_OPTIMIZATION) $(TARGET
TARGET_CXXFLAGS = $(TARGET_CFLAGS)
TARGET_LDFLAGS = $(call qstrip,$(BR2_TARGET_LDFLAGS))
ifeq ($(BR2_BINFMT_FLAT_SHARED),y)
TARGET_LDFLAGS += -mid-shared-library -mshared-library-id=0
TARGET_CFLAGS += -mid-shared-library -mshared-library-id=0
TARGET_CXXFLAGS += -mid-shared-library -mshared-library-id=0
endif
ifeq ($(BR2_BINFMT_FLAT_SEP_DATA),y)
TARGET_LDFLAGS += -msep-data
TARGET_CFLAGS += -msep-data
TARGET_CXXFLAGS += -msep-data
endif
ifeq ($(BR2_TOOLCHAIN_BUILDROOT)$(BR2_TOOLCHAIN_CTNG),y)
TARGET_CROSS=$(HOST_DIR)/usr/bin/$(GNU_TARGET_NAME)-
else