Commit a4bece9e authored by Bernhard Reutner-Fischer's avatar Bernhard Reutner-Fischer
Browse files

- update for default endian

parent e42dc3a5

toolchain/gcc/4.1.2/800-arm-bigendian.patch

+65 −5
Original line number Diff line number Diff line
@@ -3,8 +3,10 @@ Adds support for arm*b-linux* big-endian ARM targets 


See http://gcc.gnu.org/PR16350



--- gcc-4.1.0/gcc/config/arm/linux-elf.h

+++ gcc-4.1.0/gcc/config/arm/linux-elf.h

Index: gcc-4.1.1/gcc/config/arm/linux-elf.h

===================================================================

--- gcc-4.1.1.orig/gcc/config/arm/linux-elf.h

+++ gcc-4.1.1/gcc/config/arm/linux-elf.h

@@ -28,19 +28,33 @@

 #undef  TARGET_VERSION

 #define TARGET_VERSION  fputs (" (ARM GNU/Linux with ELF)", stderr);
@@ -51,9 +53,11 @@ See http://gcc.gnu.org/PR16350 
    SUBTARGET_EXTRA_LINK_SPEC

 

 #undef  LINK_SPEC

--- gcc-4.1.0/gcc/config.gcc

+++ gcc-4.1.0/gcc/config.gcc

@@ -672,6 +672,11 @@

Index: gcc-4.1.1/gcc/config.gcc

===================================================================

--- gcc-4.1.1.orig/gcc/config.gcc

+++ gcc-4.1.1/gcc/config.gcc

@@ -672,6 +672,11 @@ arm*-*-netbsd*)

 	;;

 arm*-*-linux*)			# ARM GNU/Linux with ELF

 	tm_file="dbxelf.h elfos.h linux.h arm/elf.h arm/linux-gas.h arm/linux-elf.h"
@@ -65,3 +69,59 @@ See http://gcc.gnu.org/PR16350 
 	tmake_file="${tmake_file} t-linux arm/t-arm"

 	case ${target} in

 	arm*-*-linux-gnueabi)

Index: gcc-4.1.1/gcc/config/arm/linux-eabi.h

===================================================================

--- gcc-4.1.1.orig/gcc/config/arm/linux-eabi.h

+++ gcc-4.1.1/gcc/config/arm/linux-eabi.h

@@ -20,6 +20,17 @@

    the Free Software Foundation, 51 Franklin Street, Fifth Floor,

    Boston, MA 02110-1301, USA.  */

 

+/*

+ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*

+ * (big endian) configurations.

+ */

+#undef TARGET_LINKER_EMULATION

+#if TARGET_BIG_ENDIAN_DEFAULT

+#define TARGET_LINKER_EMULATION "armelfb_linux_eabi"

+#else

+#define TARGET_LINKER_EMULATION "armelf_linux_eabi"

+#endif

+

 /* On EABI GNU/Linux, we want both the BPABI builtins and the

    GNU/Linux builtins.  */

 #undef TARGET_OS_CPP_BUILTINS

@@ -48,7 +59,7 @@

 #define SUBTARGET_CPU_DEFAULT TARGET_CPU_arm10tdmi

 

 #undef SUBTARGET_EXTRA_LINK_SPEC

-#define SUBTARGET_EXTRA_LINK_SPEC " -m armelf_linux_eabi"

+#define SUBTARGET_EXTRA_LINK_SPEC " -m " TARGET_LINKER_EMULATION

 

 /* Use ld-linux.so.3 so that it will be possible to run "classic"

    GNU/Linux binaries on an EABI system.  */

Index: gcc-4.1.1/gcc/config/arm/bpabi.h

===================================================================

--- gcc-4.1.1.orig/gcc/config/arm/bpabi.h

+++ gcc-4.1.1/gcc/config/arm/bpabi.h

@@ -33,9 +33,19 @@

 #undef FPUTYPE_DEFAULT

 #define FPUTYPE_DEFAULT FPUTYPE_VFP

 

+/*

+ * 'config.gcc' defines TARGET_BIG_ENDIAN_DEFAULT as 1 for arm*b-*

+ * (big endian) configurations.

+ */

+#if TARGET_BIG_ENDIAN_DEFAULT

+#define TARGET_ENDIAN_DEFAULT MASK_BIG_END

+#else

+#define TARGET_ENDIAN_DEFAULT 0

+#endif

+

 /* EABI targets should enable interworking by default.  */

 #undef TARGET_DEFAULT

-#define TARGET_DEFAULT MASK_INTERWORK

+#define TARGET_DEFAULT (MASK_INTERWORK | TARGET_ENDIAN_DEFAULT)

 

 /* The ARM BPABI functions return a boolean; they use no special

    calling convention.  */