From d3a9662cad3d78d1598aac80b69d3fa466ae9b03 Mon Sep 17 00:00:00 2001 From: Bernhard Fischer Date: Thu, 8 Nov 2007 13:44:09 +0000 Subject: re PR target/16350 (gcc only understands little endian ARM systems) PR target/16350 * config.gcc: For arm*b-* define TARGET_BIG_ENDIAN_DEFAULT. * config/arm/linux-elf.h (TARGET_ENDIAN_DEFAULT): Define based on TARGET_BIG_ENDIAN_DEFAULT. Use for MULTILIB_DEFAULTS. (TARGET_DEFAULT): Set according to TARGET_ENDIAN_DEFAULT. (LINUX_TARGET_LINK_SPEC): Pass -mlittle-endian on to the assembler. * config/arm/linux-eabi.h (TARGET_LINKER_EMULATION): Set according to TARGET_BIG_ENDIAN_DEFAULT. (SUBTARGET_EXTRA_LINK_SPEC): Likewise. * gcc/config/arm/bpabi.h (TARGET_DEFAULT_MASK): Set according to TARGET_BIG_ENDIAN_DEFAULT. From-SVN: r129999 --- gcc/config/arm/linux-elf.h | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'gcc/config/arm/linux-elf.h') diff --git a/gcc/config/arm/linux-elf.h b/gcc/config/arm/linux-elf.h index c3ff9c4..54eba14 100644 --- a/gcc/config/arm/linux-elf.h +++ b/gcc/config/arm/linux-elf.h @@ -30,12 +30,24 @@ #undef TARGET_DEFAULT_FLOAT_ABI #define TARGET_DEFAULT_FLOAT_ABI ARM_FLOAT_ABI_HARD +/* TARGET_BIG_ENDIAN_DEFAULT is set in + config.gcc for big endian configurations. */ +#if TARGET_BIG_ENDIAN_DEFAULT +#define TARGET_ENDIAN_DEFAULT MASK_BIG_END +#define TARGET_ENDIAN_OPTION "mbig-endian" +#define TARGET_LINKER_EMULATION "armelfb_linux" +#else +#define TARGET_ENDIAN_DEFAULT 0 +#define TARGET_ENDIAN_OPTION "mlittle-endian" +#define TARGET_LINKER_EMULATION "armelf_linux" +#endif + #undef TARGET_DEFAULT -#define TARGET_DEFAULT (0) +#define TARGET_DEFAULT (TARGET_ENDIAN_DEFAULT) #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm6 -#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux -p" +#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION " -p" #undef MULTILIB_DEFAULTS #define MULTILIB_DEFAULTS \ @@ -60,7 +72,7 @@ %{rdynamic:-export-dynamic} \ %{!dynamic-linker:-dynamic-linker " LINUX_DYNAMIC_LINKER "} \ -X \ - %{mbig-endian:-EB}" \ + %{mbig-endian:-EB} %{mlittle-endian:-EL}" \ SUBTARGET_EXTRA_LINK_SPEC #undef LINK_SPEC -- cgit v1.1