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yaml
---
r: 88616
b: refs/heads/master
c: 8cf36d2
h: refs/heads/master
v: v3
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Paolo Ciarrocchi authored and Ingo Molnar committed Apr 17, 2008
1 parent 0b0b4f6 commit 3344f27
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Showing 2 changed files with 31 additions and 31 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 325f86ec6d2ae4ab9879e745a92444f8bac20233
refs/heads/master: 8cf36d2bc5832da17a58c5f10adf2d92d138c992
60 changes: 30 additions & 30 deletions trunk/arch/x86/lib/string_32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -14,25 +14,25 @@
#include <linux/module.h>

#ifdef __HAVE_ARCH_STRCPY
char *strcpy(char * dest,const char *src)
char *strcpy(char *dest, const char *src)
{
int d0, d1, d2;
asm volatile( "1:\tlodsb\n\t"
asm volatile("1:\tlodsb\n\t"
"stosb\n\t"
"testb %%al,%%al\n\t"
"jne 1b"
: "=&S" (d0), "=&D" (d1), "=&a" (d2)
:"0" (src),"1" (dest) : "memory");
:"0" (src), "1" (dest) : "memory");
return dest;
}
EXPORT_SYMBOL(strcpy);
#endif

#ifdef __HAVE_ARCH_STRNCPY
char *strncpy(char * dest,const char *src,size_t count)
char *strncpy(char *dest, const char *src, size_t count)
{
int d0, d1, d2, d3;
asm volatile( "1:\tdecl %2\n\t"
asm volatile("1:\tdecl %2\n\t"
"js 2f\n\t"
"lodsb\n\t"
"stosb\n\t"
Expand All @@ -42,17 +42,17 @@ char *strncpy(char * dest,const char *src,size_t count)
"stosb\n"
"2:"
: "=&S" (d0), "=&D" (d1), "=&c" (d2), "=&a" (d3)
:"0" (src),"1" (dest),"2" (count) : "memory");
:"0" (src), "1" (dest), "2" (count) : "memory");
return dest;
}
EXPORT_SYMBOL(strncpy);
#endif

#ifdef __HAVE_ARCH_STRCAT
char *strcat(char * dest,const char * src)
char *strcat(char *dest, const char *src)
{
int d0, d1, d2, d3;
asm volatile( "repne\n\t"
asm volatile("repne\n\t"
"scasb\n\t"
"decl %1\n"
"1:\tlodsb\n\t"
Expand All @@ -67,10 +67,10 @@ EXPORT_SYMBOL(strcat);
#endif

#ifdef __HAVE_ARCH_STRNCAT
char *strncat(char * dest,const char * src,size_t count)
char *strncat(char *dest, const char *src, size_t count)
{
int d0, d1, d2, d3;
asm volatile( "repne\n\t"
asm volatile("repne\n\t"
"scasb\n\t"
"decl %1\n\t"
"movl %8,%3\n"
Expand All @@ -83,19 +83,19 @@ char *strncat(char * dest,const char * src,size_t count)
"2:\txorl %2,%2\n\t"
"stosb"
: "=&S" (d0), "=&D" (d1), "=&a" (d2), "=&c" (d3)
: "0" (src),"1" (dest),"2" (0),"3" (0xffffffffu), "g" (count)
: "0" (src), "1" (dest), "2" (0), "3" (0xffffffffu), "g" (count)
: "memory");
return dest;
}
EXPORT_SYMBOL(strncat);
#endif

#ifdef __HAVE_ARCH_STRCMP
int strcmp(const char * cs,const char * ct)
int strcmp(const char *cs, const char *ct)
{
int d0, d1;
int res;
asm volatile( "1:\tlodsb\n\t"
asm volatile("1:\tlodsb\n\t"
"scasb\n\t"
"jne 2f\n\t"
"testb %%al,%%al\n\t"
Expand All @@ -106,19 +106,19 @@ int strcmp(const char * cs,const char * ct)
"orb $1,%%al\n"
"3:"
:"=a" (res), "=&S" (d0), "=&D" (d1)
:"1" (cs),"2" (ct)
:"1" (cs), "2" (ct)
:"memory");
return res;
}
EXPORT_SYMBOL(strcmp);
#endif

#ifdef __HAVE_ARCH_STRNCMP
int strncmp(const char * cs,const char * ct,size_t count)
int strncmp(const char *cs, const char *ct, size_t count)
{
int res;
int d0, d1, d2;
asm volatile( "1:\tdecl %3\n\t"
asm volatile("1:\tdecl %3\n\t"
"js 2f\n\t"
"lodsb\n\t"
"scasb\n\t"
Expand All @@ -131,19 +131,19 @@ int strncmp(const char * cs,const char * ct,size_t count)
"orb $1,%%al\n"
"4:"
:"=a" (res), "=&S" (d0), "=&D" (d1), "=&c" (d2)
:"1" (cs),"2" (ct),"3" (count)
:"1" (cs), "2" (ct), "3" (count)
:"memory");
return res;
}
EXPORT_SYMBOL(strncmp);
#endif

#ifdef __HAVE_ARCH_STRCHR
char *strchr(const char * s, int c)
char *strchr(const char *s, int c)
{
int d0;
char * res;
asm volatile( "movb %%al,%%ah\n"
char *res;
asm volatile("movb %%al,%%ah\n"
"1:\tlodsb\n\t"
"cmpb %%ah,%%al\n\t"
"je 2f\n\t"
Expand All @@ -153,52 +153,52 @@ char *strchr(const char * s, int c)
"2:\tmovl %1,%0\n\t"
"decl %0"
:"=a" (res), "=&S" (d0)
:"1" (s),"0" (c)
:"1" (s), "0" (c)
:"memory");
return res;
}
EXPORT_SYMBOL(strchr);
#endif

#ifdef __HAVE_ARCH_STRLEN
size_t strlen(const char * s)
size_t strlen(const char *s)
{
int d0;
int res;
asm volatile( "repne\n\t"
asm volatile("repne\n\t"
"scasb\n\t"
"notl %0\n\t"
"decl %0"
:"=c" (res), "=&D" (d0)
:"1" (s),"a" (0), "0" (0xffffffffu)
:"1" (s), "a" (0), "0" (0xffffffffu)
:"memory");
return res;
}
EXPORT_SYMBOL(strlen);
#endif

#ifdef __HAVE_ARCH_MEMCHR
void *memchr(const void *cs,int c,size_t count)
void *memchr(const void *cs, int c, size_t count)
{
int d0;
void *res;
if (!count)
return NULL;
asm volatile( "repne\n\t"
asm volatile("repne\n\t"
"scasb\n\t"
"je 1f\n\t"
"movl $1,%0\n"
"1:\tdecl %0"
:"=D" (res), "=&c" (d0)
:"a" (c),"0" (cs),"1" (count)
:"a" (c), "0" (cs), "1" (count)
:"memory");
return res;
}
EXPORT_SYMBOL(memchr);
#endif

#ifdef __HAVE_ARCH_MEMSCAN
void *memscan(void * addr, int c, size_t size)
void *memscan(void *addr, int c, size_t size)
{
if (!size)
return addr;
Expand All @@ -219,7 +219,7 @@ size_t strnlen(const char *s, size_t count)
{
int d0;
int res;
asm volatile( "movl %2,%0\n\t"
asm volatile("movl %2,%0\n\t"
"jmp 2f\n"
"1:\tcmpb $0,(%0)\n\t"
"je 3f\n\t"
Expand All @@ -229,7 +229,7 @@ size_t strnlen(const char *s, size_t count)
"jne 1b\n"
"3:\tsubl %2,%0"
:"=a" (res), "=&d" (d0)
:"c" (s),"1" (count)
:"c" (s), "1" (count)
:"memory");
return res;
}
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