From: Sonic Zhang Date: Fri, 3 May 2013 00:39:34 +0000 (+0000) Subject: arch: toolchain: Introduce binary formats BINFMT_*. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=57133825c930a193ce9223b4372b900c4c84c9b9;p=buildroot.git arch: toolchain: Introduce binary formats BINFMT_*. 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 Acked-by: Thomas Petazzoni Signed-off-by: Peter Korsgaard --- diff --git a/Config.in.legacy b/Config.in.legacy index fc9f68f248..7748ab390a 100644 --- a/Config.in.legacy +++ b/Config.in.legacy @@ -172,4 +172,14 @@ config BR2_PACKAGE_INPUT_TOOLS_EVTEST help The evtest program from input-tools is now a separate package. +config BR2_BFIN_FDPIC + bool "BR2_BFIN_FDPIC is now BR2_BINFMT_FDPIC" + select BR2_BINFMT_FDPIC + select BR2_LEGACY + +config BR2_BFIN_FLAT + bool "BR2_BFIN_FLAT is now BR2_BINFMT_FLAT" + select BR2_BINFMT_FLAT + select BR2_LEGACY + endmenu diff --git a/arch/Config.in b/arch/Config.in index 2006f1e0de..e32cfd9147 100644 --- a/arch/Config.in +++ b/arch/Config.in @@ -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 diff --git a/arch/Config.in.bfin b/arch/Config.in.bfin index 0b137ae8e8..2a7ff547fe 100644 --- a/arch/Config.in.bfin +++ b/arch/Config.in.bfin @@ -1,14 +1,3 @@ -choice - prompt "Target ABI" - depends on BR2_bfin - default BR2_BFIN_FDPIC -config BR2_BFIN_FDPIC - bool "FDPIC" -config BR2_BFIN_FLAT - bool "FLAT" - select BR2_PREFER_STATIC_LIB -endchoice - config BR2_ARCH default "bfin" diff --git a/toolchain/toolchain-external/Config.in b/toolchain/toolchain-external/Config.in index b1aab6a2ed..a93ada32ed 100644 --- a/toolchain/toolchain-external/Config.in +++ b/toolchain/toolchain-external/Config.in @@ -784,12 +784,12 @@ config BR2_TOOLCHAIN_EXTERNAL_PREFIX default "i686-pc-linux-gnu" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201109 default "i686-pc-linux-gnu" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201203 default "i686-pc-linux-gnu" if BR2_TOOLCHAIN_EXTERNAL_CODESOURCERY_X86_201209 - default "bfin-uclinux" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2011R1 && !BR2_BFIN_FDPIC - default "bfin-linux-uclibc" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2011R1 && BR2_BFIN_FDPIC - default "bfin-uclinux" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R1 && !BR2_BFIN_FDPIC - default "bfin-linux-uclibc" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R1 && BR2_BFIN_FDPIC - default "bfin-uclinux" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2 && !BR2_BFIN_FDPIC - default "bfin-linux-uclibc" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2 && BR2_BFIN_FDPIC + default "bfin-uclinux" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2011R1 && BR2_BINFMT_FLAT + default "bfin-linux-uclibc" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2011R1 && BR2_BINFMT_FDPIC + default "bfin-uclinux" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R1 && BR2_BINFMT_FLAT + default "bfin-linux-uclibc" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R1 && BR2_BINFMT_FDPIC + default "bfin-uclinux" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2 && BR2_BINFMT_FLAT + default "bfin-linux-uclibc" if BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2012R2 && BR2_BINFMT_FDPIC default $(BR2_TOOLCHAIN_EXTERNAL_CUSTOM_PREFIX) \ if BR2_TOOLCHAIN_EXTERNAL_CUSTOM diff --git a/toolchain/toolchain-external/ext-tool.mk b/toolchain/toolchain-external/ext-tool.mk index 616f4535be..dce0299bee 100644 --- a/toolchain/toolchain-external/ext-tool.mk +++ b/toolchain/toolchain-external/ext-tool.mk @@ -160,6 +160,10 @@ ifneq ($(CC_TARGET_ABI_),) TOOLCHAIN_EXTERNAL_CFLAGS += -mabi=$(CC_TARGET_ABI_) TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_ABI='"$(CC_TARGET_ABI_)"' endif +ifeq ($(BR2_BINFMT_FLAT),y) +TOOLCHAIN_EXTERNAL_CFLAGS += -Wl,-elf2flt +TOOLCHAIN_EXTERNAL_WRAPPER_ARGS += -DBR_BINFMT_FLAT +endif ifneq ($(BR2_TARGET_OPTIMIZATION),) TOOLCHAIN_EXTERNAL_CFLAGS += $(call qstrip,$(BR2_TARGET_OPTIMIZATION)) diff --git a/toolchain/toolchain-external/ext-toolchain-wrapper.c b/toolchain/toolchain-external/ext-toolchain-wrapper.c index a92badac0d..9a2fc70b02 100644 --- a/toolchain/toolchain-external/ext-toolchain-wrapper.c +++ b/toolchain/toolchain-external/ext-toolchain-wrapper.c @@ -47,6 +47,9 @@ static char *predef_args[] = { #ifdef BR_64 "-m64", #endif +#ifdef BR_BINFMT_FLAT + "-Wl,-elf2flt", +#endif #ifdef BR_ADDITIONAL_CFLAGS BR_ADDITIONAL_CFLAGS #endif