add gcc4 fix for mips

git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@3053 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic-2.6/patches/005-gcc4_fix.patch b/target/linux/generic-2.6/patches/005-gcc4_fix.patch
new file mode 100644 (file)
index 0000000..ff1f4be
--- /dev/null
+++ b/target/linux/generic-2.6/patches/005-gcc4_fix.patch
@@ -0,0 +1,173 @@
+diff -Nur linux-2.6.15.1/include/asm-mips/libgcc.h linux-2.6.15.1-openwrt/include/asm-mips/libgcc.h
+--- linux-2.6.15.1/include/asm-mips/libgcc.h   1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/include/asm-mips/libgcc.h   2006-01-20 10:32:28.000000000 +0100
+@@ -0,0 +1,8 @@
++#ifndef __ASM_LIBGCC_H
++#define __ASM_LIBGCC_H
++
++#define ARCH_NEEDS_ashldi3
++#define ARCH_NEEDS_ashrdi3
++#define ARCH_NEEDS_lshrdi3
++
++#endif /* __ASM_LIBGCC_H */
+diff -Nur linux-2.6.15.1/include/linux/libgcc.h linux-2.6.15.1-openwrt/include/linux/libgcc.h
+--- linux-2.6.15.1/include/linux/libgcc.h      1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/include/linux/libgcc.h      2006-01-20 10:33:38.000000000 +0100
+@@ -0,0 +1,32 @@
++#ifndef __LINUX_LIBGCC_H
++#define __LINUX_LIBGCC_H
++
++#include <asm/byteorder.h>
++#include <asm/libgcc.h>
++
++typedef long long DWtype;
++typedef int Wtype;
++typedef unsigned int UWtype;
++typedef int word_type __attribute__ ((mode (__word__)));
++
++#define BITS_PER_UNIT 8
++
++#ifdef __BIG_ENDIAN
++struct DWstruct {
++       Wtype high, low;
++};
++#elif defined(__LITTLE_ENDIAN)
++struct DWstruct {
++       Wtype low, high;
++};
++#else
++#error I feel sick.
++#endif
++
++typedef union
++{
++       struct DWstruct s;
++       DWtype ll;
++} DWunion;
++
++#endif /* __LINUX_LIBGCC_H */
+diff -Nur linux-2.6.15.1/lib/ashldi3.c linux-2.6.15.1-openwrt/lib/ashldi3.c
+--- linux-2.6.15.1/lib/ashldi3.c       1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/lib/ashldi3.c       2006-01-20 10:38:41.000000000 +0100
+@@ -0,0 +1,32 @@
++#include <linux/libgcc.h>
++#include <linux/module.h>
++
++#ifdef ARCH_NEEDS_ashldi3
++
++DWtype __ashldi3(DWtype u, word_type b)
++{
++       DWunion uu, w;
++       word_type bm;
++
++       if (b == 0)
++               return u;
++
++       uu.ll = u;
++       bm = (sizeof(Wtype) * BITS_PER_UNIT) - b;
++
++       if (bm <= 0) {
++               w.s.low = 0;
++               w.s.high = (UWtype) uu.s.low << -bm;
++       } else {
++               const UWtype carries = (UWtype) uu.s.low >> bm;
++
++               w.s.low = (UWtype) uu.s.low << b;
++               w.s.high = ((UWtype) uu.s.high << b) | carries;
++       }
++
++       return w.ll;
++}
++
++EXPORT_SYMBOL(__ashldi3);
++
++#endif /* ARCH_NEEDS_ashldi3 */
+diff -Nur linux-2.6.15.1/lib/ashrdi3.c linux-2.6.15.1-openwrt/lib/ashrdi3.c
+--- linux-2.6.15.1/lib/ashrdi3.c       1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/lib/ashrdi3.c       2006-01-20 10:39:29.000000000 +0100
+@@ -0,0 +1,36 @@
++#include <linux/libgcc.h>
++#include <linux/module.h>
++
++/* Unless shift functions are defined with full ANSI prototypes,
++   parameter b will be promoted to int if word_type is smaller than an int.  */
++#ifdef ARCH_NEEDS_ashrdi3
++
++DWtype __ashrdi3(DWtype u, word_type b)
++{
++       DWunion uu, w;
++       word_type bm;
++
++       if (b == 0)
++               return u;
++
++       uu.ll = u;
++       bm = (sizeof(Wtype) * BITS_PER_UNIT) - b;
++
++       if (bm <= 0) {
++               /* w.s.high = 1..1 or 0..0 */
++               w.s.high =
++                   uu.s.high >> (sizeof(Wtype) * BITS_PER_UNIT - 1);
++               w.s.low = uu.s.high >> -bm;
++       } else {
++               const UWtype carries = (UWtype) uu.s.high << bm;
++
++               w.s.high = uu.s.high >> b;
++               w.s.low = ((UWtype) uu.s.low >> b) | carries;
++       }
++
++       return w.ll;
++}
++
++EXPORT_SYMBOL(__ashrdi3);
++
++#endif /* ARCH_NEEDS_ashrdi3 */
+diff -Nur linux-2.6.15.1/lib/lshrdi3.c linux-2.6.15.1-openwrt/lib/lshrdi3.c
+--- linux-2.6.15.1/lib/lshrdi3.c       1970-01-01 01:00:00.000000000 +0100
++++ linux-2.6.15.1-openwrt/lib/lshrdi3.c       2006-01-20 10:40:10.000000000 +0100
+@@ -0,0 +1,34 @@
++#include <linux/libgcc.h>
++#include <linux/module.h>
++
++/* Unless shift functions are defined with full ANSI prototypes,
++   parameter b will be promoted to int if word_type is smaller than an int.  */
++#ifdef ARCH_NEEDS_lshrdi3
++
++DWtype __lshrdi3(DWtype u, word_type b)
++{
++       DWunion uu, w;
++       word_type bm;
++
++       if (b == 0)
++               return u;
++
++       uu.ll = u;
++       bm = (sizeof(Wtype) * BITS_PER_UNIT) - b;
++
++       if (bm <= 0) {
++               w.s.high = 0;
++               w.s.low = (UWtype) uu.s.high >> -bm;
++       } else {
++               const UWtype carries = (UWtype) uu.s.high << bm;
++
++               w.s.high = (UWtype) uu.s.high >> b;
++               w.s.low = ((UWtype) uu.s.low >> b) | carries;
++       }
++
++       return w.ll;
++}
++
++EXPORT_SYMBOL(__lshrdi3);
++
++#endif /* ARCH_NEEDS_lshrdi3 */
+diff -Nur linux-2.6.15.1/lib/Makefile linux-2.6.15.1-openwrt/lib/Makefile
+--- linux-2.6.15.1/lib/Makefile        2006-01-15 07:16:02.000000000 +0100
++++ linux-2.6.15.1-openwrt/lib/Makefile        2006-01-20 10:34:19.000000000 +0100
+@@ -8,6 +8,7 @@
+        sha1.o
+ 
+ lib-y += kobject.o kref.o kobject_uevent.o klist.o
++lib-y += ashldi3.o ashrdi3.o lshrdi3.o
+ 
+ obj-y += sort.o parser.o halfmd4.o
+