uclibc: patches to compile with gcc 4.1.1 with thumb instruction set

	(patches derived from busybox mailing list)

3 files changed, 238 insertions, 1 deletions

diff --git a/packages/uclibc/uclibc-0.9.28/dl-string.h.patch b/packages/uclibc/uclibc-0.9.28/dl-string.h.patch
new file mode 100644
index 0000000000..a2bdb81907
--- /dev/null
+++ b/packages/uclibc/uclibc-0.9.28/dl-string.h.patch
@@ -0,0 +1,225 @@
+--- uClibc-0.9.28/ldso/include/dl-string.h.orig	2006-08-14 17:20:02.000000000 +0200
++++ uClibc-0.9.28/ldso/include/dl-string.h	2006-08-14 17:19:38.000000000 +0200
+@@ -1,9 +1,24 @@
++/* vi: set sw=4 ts=4: */
++/*
++ * Copyright (C) 2000-2005 by Erik Andersen <andersen@codepoet.org>
++ *
++ * GNU Lesser General Public License version 2.1 or later.
++ */
++
+ #ifndef _LINUX_STRING_H_
+ #define _LINUX_STRING_H_
+ 
+-#include <dl-sysdep.h> // for do_rem
++#include <dl-sysdep.h> /* for do_rem */
+ #include <features.h>
+ 
++/* provide some sane defaults */
++#ifndef do_rem
++# define do_rem(result, n, base) ((result) = (n) % (base))
++#endif
++#ifndef do_div_10
++# define do_div_10(result, remain) ((result) /= 10)
++#endif
++
+ static size_t _dl_strlen(const char * str);
+ static char *_dl_strcat(char *dst, const char *src);
+ static char * _dl_strcpy(char * dst,const char *src);
+@@ -26,8 +41,8 @@
+ static __always_inline size_t _dl_strlen(const char * str)
+ {
+ 	register const char *ptr = (char *) str-1;
+-
+-	while (*++ptr);
++	while (*++ptr)
++		;/* empty */
+ 	return (ptr - str);
+ }
+ 
+@@ -49,7 +64,8 @@
+ 	register char *ptr = dst;
+ 
+ 	dst--;src--;
+-	while ((*++dst = *++src) != 0);
++	while ((*++dst = *++src) != 0)
++		;/* empty */
+ 
+ 	return ptr;
+ }
+@@ -63,8 +79,7 @@
+ 		c2 = (unsigned char) *++s2;
+ 		if (c1 == '\0')
+ 			return c1 - c2;
+-	}
+-	while (c1 == c2);
++	} while (c1 == c2);
+ 
+ 	return c1 - c2;
+ }
+@@ -98,43 +113,41 @@
+ 	return 0;
+ }
+ 
+-static inline char * _dl_strrchr(const char *str, int c)
++static __always_inline char * _dl_strrchr(const char *str, int c)
+ {
+-    register char *prev = 0;
+-    register char *ptr = (char *) str-1;
++	register char *prev = 0;
++	register char *ptr = (char *) str-1;
+ 
+-    while (*++ptr != '\0') {
+-	if (*ptr == c)
+-	    prev = ptr;
+-    }
+-    if (c == '\0')
+-	return(ptr);
+-    return(prev);
++	while (*++ptr != '\0') {
++		if (*ptr == c)
++			prev = ptr;
++	}
++	if (c == '\0')
++		return(ptr);
++	return(prev);
+ }
+ 
+-static inline char * _dl_strstr(const char *s1, const char *s2)
++static __always_inline char * _dl_strstr(const char *s1, const char *s2)
+ {
+-    register const char *s = s1;
+-    register const char *p = s2;
++	register const char *s = s1;
++	register const char *p = s2;
+ 
+-    do {
+-        if (!*p) {
+-	    return (char *) s1;;
+-	}
+-	if (*p == *s) {
+-	    ++p;
+-	    ++s;
+-	} else {
+-	    p = s2;
+-	    if (!*s) {
+-	      return NULL;
+-	    }
+-	    s = ++s1;
+-	}
+-    } while (1);
++	do {
++		if (!*p)
++			return (char *) s1;;
++		if (*p == *s) {
++			++p;
++			++s;
++		} else {
++			p = s2;
++			if (!*s)
++				return NULL;
++			s = ++s1;
++		}
++	} while (1);
+ }
+ 
+-static inline void * _dl_memcpy(void * dst, const void * src, size_t len)
++static __always_inline void * _dl_memcpy(void * dst, const void * src, size_t len)
+ {
+ 	register char *a = dst-1;
+ 	register const char *b = src-1;
+@@ -163,27 +176,28 @@
+ /* Will generate smaller and faster code due to loop unrolling.*/
+ static __always_inline void * _dl_memset(void *to, int c, size_t n)
+ {
+-        unsigned long chunks;
+-        unsigned long *tmp_to;
++	unsigned long chunks;
++	unsigned long *tmp_to;
+ 	unsigned char *tmp_char;
+ 
+-        chunks = n / 4;
+-        tmp_to = to + n;
+-        c = c << 8 | c;
+-        c = c << 16 | c;
+-        if (!chunks)
+-                goto lessthan4;
+-        do {
+-                *--tmp_to = c;
+-        } while (--chunks);
+- lessthan4:
+-        n = n % 4;
+-        if (!n ) return to;
+-        tmp_char = (unsigned char *)tmp_to;
+-        do {
+-                *--tmp_char = c;
+-        } while (--n);
+-        return to;
++	chunks = n / 4;
++	tmp_to = to + n;
++	c = c << 8 | c;
++	c = c << 16 | c;
++	if (!chunks)
++		goto lessthan4;
++	do {
++		*--tmp_to = c;
++	} while (--chunks);
++lessthan4:
++	n = n % 4;
++	if (!n)
++		return to;
++	tmp_char = (unsigned char *)tmp_to;
++	do {
++		*--tmp_char = c;
++	} while (--n);
++	return to;
+ }
+ #else
+ static __always_inline void * _dl_memset(void * str,int c,size_t len)
+@@ -225,10 +239,10 @@
+ 	char *p = &local[22];
+ 	*--p = '\0';
+ 	do {
+-	    char temp;
+-	    do_rem(temp, i, 10);
+-	    *--p = '0' + temp;
+-	    i /= 10;
++		char temp;
++		do_rem(temp, i, 10);
++		*--p = '0' + temp;
++		do_div_10(i, temp);
+ 	} while (i > 0);
+ 	return p;
+ }
+@@ -242,9 +256,9 @@
+ 	do {
+ 		char temp = i & 0xf;
+ 		if (temp <= 0x09)
+-		    *--p = '0' + temp;
++			*--p = '0' + temp;
+ 		else
+-		    *--p = 'a' - 0x0a + temp;
++			*--p = 'a' - 0x0a + temp;
+ 		i >>= 4;
+ 	} while (i > 0);
+ 	*--p = 'x';
+@@ -270,8 +284,8 @@
+ 
+ /* On some arches constant strings are referenced through the GOT.
+  * This requires that load_addr must already be defined... */
+-#if defined(mc68000) || defined(__arm__) || defined(__thumb__) || defined(__mips__)	\
+-                     || defined(__sh__) ||  defined(__powerpc__)
++#if defined(mc68000)  || defined(__arm__) || defined(__thumb__) || \
++    defined(__mips__) || defined(__sh__)  || defined(__powerpc__)
+ # define CONSTANT_STRING_GOT_FIXUP(X) \
+ 	if ((X) < (const char *) load_addr) (X) += load_addr
+ # define NO_EARLY_SEND_STDERR
+@@ -318,7 +332,7 @@
+ 	do { \
+ 		do_rem(v, (X), 10); \
+ 		*--tmp2 = '0' + v; \
+-		(X) /= 10; \
++		do_div_10((X), v); \
+ 	} while ((X) > 0); \
+ 	_dl_write(2, tmp2, tmp1 - tmp2 + sizeof(tmp) - 1); \
+ }
diff --git a/packages/uclibc/uclibc-0.9.28/dl-sysdep.h.patch b/packages/uclibc/uclibc-0.9.28/dl-sysdep.h.patch
new file mode 100644
index 0000000000..0d271a9ca0
--- /dev/null
+++ b/packages/uclibc/uclibc-0.9.28/dl-sysdep.h.patch
@@ -0,0 +1,10 @@
+--- uClibc-0.9.28/ldso/ldso/arm/dl-sysdep.h.orig	2006-08-14 17:22:50.000000000 +0200
++++ uClibc-0.9.28/ldso/ldso/arm/dl-sysdep.h	2006-08-14 17:23:45.000000000 +0200
+@@ -43,6 +43,7 @@
+ 	return m;
+ }
+ #define do_rem(result, n, base) ((result) = arm_modulus(n, base))
++#define do_div_10(result, remain) ((result) = (((result) - (remain)) / 2) * -(-1ul / 5ul))
+ 
+ /* Here we define the magic numbers that this dynamic loader should accept */
+ #define MAGIC1 EM_ARM
diff --git a/packages/uclibc/uclibc_0.9.28.bb b/packages/uclibc/uclibc_0.9.28.bb
index a5d4095a64..1801af2861 100644
--- a/packages/uclibc/uclibc_0.9.28.bb
+++ b/packages/uclibc/uclibc_0.9.28.bb
@@ -1,5 +1,5 @@
 DEFAULT_PREFERENCE = "1"
-PR = "r4"
+PR = "r5"
 
 require uclibc.inc
 
@@ -31,6 +31,8 @@ SRC_URI += " file://thumb-sysnum-h.patch;patch=1"
 SRC_URI += " file://thumb-asm-swi.patch;patch=1"
 SRC_URI += " file://thumb-call-via-rx.patch;patch=1"
 SRC_URI += " file://dl-startup.h.patch;patch=1"
+SRC_URI += " file://dl-string.h.patch;patch=1"
+SRC_URI += " file://dl-sysdep.h.patch;patch=1"
 #
 # This is a core change and is controversial, maybe even wrong
 # on some architectures