| Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org> wrote: |
| |
| I tried to use crosstool-ng to generate a toolchain for Linux on big |
| endian arm with recent versions of gcc, glibc, etc... but had a few |
| problems. |
| |
| It appears that the gcc patch (for gcc 4.2.x) |
| for big-endian arm (240-arm-bigendian.patch) lacks the change attached |
| to this mail as 240-arm-bigendian2.patch. |
| |
| --- gcc-4.2.4/gcc/config/arm/bpabi.h~ 2007-09-01 17:28:30.000000000 +0200 |
| +++ gcc-4.2.4/gcc/config/arm/bpabi.h 2009-01-05 19:19:10.000000000 +0100 |
| @@ -32,9 +32,19 @@ |
| #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. */ |
