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Fix building ARM Big Endian toolchain:

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- add a patch by Gilles CHANTEPERDRIX.

 /trunk/patches/gcc/4.2.4/241-arm-bigendian2.patch |   33    33     0     0 +++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
This commit is contained in:
Yann E. MORIN" 2009-01-06 21:05:33 +00:00
parent 8b18c7d30d
commit 0b28fc00e1
1 changed files with 33 additions and 0 deletions
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33
patches/gcc/4.2.4/241-arm-bigendian2.patch Normal file
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@ -0,0 +1,33 @@
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. */