#
# Submitted-By: Marc Kleine-Budde, 2007-04-04
# Committed-By: Marc Kleine-Budde
#
# Error:
#
# Corrent Thumb interworking support is broken in gcc-4.1.x
#
# State:
#
# This patch is from
# http://www.openembedded.org/repo/org.openembedded.dev/packages/gcc/gcc-4.1.2/arm-thumb.patch
# Wed Apr  4 16:49:30 CEST 2007
#
---
# gcc/config/arm/lib1funcs.asm |   18 +++++++++++++++++-
# gcc/config/arm/t-linux       |    1 +
# 2 files changed, 18 insertions(+), 1 deletion(-)
#
Index: gcc-4.1.2/gcc/config/arm/lib1funcs.asm
===================================================================
--- gcc-4.1.2.orig/gcc/config/arm/lib1funcs.asm
+++ gcc-4.1.2/gcc/config/arm/lib1funcs.asm
@@ -995,10 +995,24 @@ LSYM(Lover12):
 	.code	32
 	FUNC_START div0
 
+#if ! defined __thumb__
 	stmfd	sp!, {r1, lr}
 	mov	r0, #SIGFPE
 	bl	SYM(raise) __PLT__
 	RETLDM	r1
+#else
+       push    {r1, lr}
+	mov	r0, #SIGFPE
+	bl	SYM(raise) __PLT__
+#if __ARM_ARCH__ > 4
+       pop     {r1, pc}
+#else
+       @ on 4T that won't work
+       pop     {r1}
+       pop     {r3}
+       bx      r3
+#endif
+#endif
 
 	FUNC_END div0
 	
@@ -1141,11 +1155,12 @@ LSYM(Lover12):
    code here switches to the correct mode before executing the function.  */
 	
 	.text
-	.align 0
+	.align 1
         .force_thumb
 
 .macro call_via register
 	THUMB_FUNC_START _call_via_\register
+       .hidden SYM (_call_via_\register)
 
 	bx	\register
 	nop
@@ -1242,6 +1257,7 @@ _arm_return_r11:
 	.code	16
 
 	THUMB_FUNC_START _interwork_call_via_\register
+       .hidden SYM (_interwork_call_via_\register)
 
 	bx	pc
 	nop
Index: gcc-4.1.2/gcc/config/arm/t-linux
===================================================================
--- gcc-4.1.2.orig/gcc/config/arm/t-linux
+++ gcc-4.1.2/gcc/config/arm/t-linux
@@ -7,6 +7,7 @@ LIB1ASMSRC = arm/lib1funcs.asm
 LIB1ASMFUNCS = _udivsi3 _divsi3 _umodsi3 _modsi3 _dvmd_lnx \
 	_negdf2 _addsubdf3 _muldivdf3 _cmpdf2 _unorddf2 _fixdfsi _fixunsdfsi \
 	_truncdfsf2 _negsf2 _addsubsf3 _muldivsf3 _cmpsf2 _unordsf2 \
+	_call_via_rX \
 	_fixsfsi _fixunssfsi _floatdidf _floatdisf
 
 # MULTILIB_OPTIONS = mhard-float/msoft-float