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add gcc4 fix for mips

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@3053 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
kaloz 2006-01-27 10:00:40 +00:00
parent 5d543c8816
commit 7b14666f6f
1 changed files with 173 additions and 0 deletions
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173
target/linux/generic-2.6/patches/005-gcc4_fix.patch Normal file
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@ -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