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arch: toolchain: Introduce binary formats BINFMT_*.

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Just introduce the symbol and options in arch generic Config.in.
Append FLAT format link flags to external toolchain wrapper.

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 00:39:34 +00:00
committed by Peter Korsgaard
parent f88188f09e
commit 57133825c9
6 changed files with 57 additions and 17 deletions
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34
arch/Config.in
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@@ -189,6 +189,40 @@ config BR2_GCC_TARGET_ABI
config BR2_GCC_TARGET_CPU
string
# Set up target binary format
choice
prompt "Target Binary Format"
depends on BR2_bfin || BR2_m68k
default BR2_BINFMT_FDPIC
config BR2_BINFMT_ELF
bool "ELF"
depends on !BR2_bfin && !BR2_m68k
help
ELF (Executable and Linkable Format) is a format for libraries and
executables used across different architectures and operating
systems.
config BR2_BINFMT_FDPIC
bool "FDPIC"
depends on BR2_bfin || BR2_m68k
help
ELF FDPIC binaries are based on ELF, but allow the individual load
segments of a binary to be located in memory independently of each
other. This makes this format ideal for use in environments where no
MMU is available.
config BR2_BINFMT_FLAT
bool "FLAT"
depends on BR2_bfin || BR2_m68k
select BR2_PREFER_STATIC_LIB
help
FLAT binary is a relatively simple and lightweight executable format
based on the original a.out format. It is widely used in environment
where no MMU is available.
endchoice
if BR2_arcle || BR2_arceb
source "arch/Config.in.arc"
endif