Merge pull request #30 from camthesaxman/arm_support

Build ARM compiler

1 files changed, 31 insertions, 0 deletions

diff --git a/gcc_arm/config/arm/t-thumb b/gcc_arm/config/arm/t-thumb
new file mode 100755
index 0000000..6cd8a13
--- /dev/null
+++ b/gcc_arm/config/arm/t-thumb
@@ -0,0 +1,31 @@
+CROSS_LIBGCC1 = libgcc1-asm.a
+LIB1ASMSRC = arm/lib1thumb.asm
+LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_tls _call_via_rX _interwork_call_via_rX
+# adddi3/subdi3 added to machine description
+
+# These are really part of libgcc1, but this will cause them to be
+# built correctly, so...
+
+LIB2FUNCS_EXTRA = fp-bit.c dp-bit.c
+
+fp-bit.c: $(srcdir)/config/fp-bit.c
+	echo '#define FLOAT' > fp-bit.c
+	echo '#ifndef __ARMEB__' >> fp-bit.c
+	echo '#define FLOAT_BIT_ORDER_MISMATCH' >> fp-bit.c
+	echo '#endif' >> fp-bit.c
+	cat $(srcdir)/config/fp-bit.c >> fp-bit.c
+
+dp-bit.c: $(srcdir)/config/fp-bit.c
+	echo '#ifndef __ARMEB__' > dp-bit.c
+	echo '#define FLOAT_BIT_ORDER_MISMATCH' >> dp-bit.c
+	echo '#define FLOAT_WORD_ORDER_MISMATCH' >> dp-bit.c
+	echo '#endif' >> dp-bit.c
+	cat $(srcdir)/config/fp-bit.c >> dp-bit.c
+
+# Avoid building a duplicate set of libraries for the default endian-ness.
+MULTILIB_OPTIONS = mlittle-endian/mbig-endian mno-thumb-interwork/mthumb-interwork
+MULTILIB_DIRNAMES = le be normal interwork
+MULTILIB_MATCHES = mbig-endian=mbe mlittle-endian=mle
+
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib