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libwine_port: Added interlocked_cmpxchg64.

This commit is contained in:
Damjan Jovanovic 2007-02-02 16:35:15 +02:00 committed by Alexandre Julliard
parent 8e9a81ea08
commit 7e7ff40769
2 changed files with 64 additions and 0 deletions
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10
include/wine/port.h
View File

@ -50,6 +50,14 @@
* Type definitions
*/
#if !defined(_MSC_VER) && !defined(__int64)
# if defined(__x86_64__) || defined(_WIN64)
# define __int64 long
# else
# define __int64 long long
# endif
#endif
#ifndef HAVE_MODE_T
typedef int mode_t;
#endif
@ -359,6 +367,7 @@ extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
extern inline int interlocked_cmpxchg( int *dest, int xchg, int compare );
extern inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
extern inline int interlocked_xchg( int *dest, int val );
extern inline void *interlocked_xchg_ptr( void **dest, void *val );
extern inline int interlocked_xchg_add( int *dest, int incr );
@ -407,6 +416,7 @@ extern inline int interlocked_xchg_add( int *dest, int incr )
extern int interlocked_cmpxchg( int *dest, int xchg, int compare );
extern void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
extern int interlocked_xchg( int *dest, int val );
extern void *interlocked_xchg_ptr( void **dest, void *val );
extern int interlocked_xchg_add( int *dest, int incr );

54
libs/port/interlocked.c
View File

@ -20,6 +20,7 @@
#include "config.h"
#include "wine/port.h"
#include <assert.h>
#ifdef __i386__
@ -37,6 +38,18 @@ __ASM_GLOBAL_FUNC(interlocked_cmpxchg_ptr,
"movl 4(%esp),%edx\n\t"
"lock; cmpxchgl %ecx,(%edx)\n\t"
"ret")
__ASM_GLOBAL_FUNC(interlocked_cmpxchg64,
"push %ebx\n\t"
"push %esi\n\t"
"movl 12(%esp),%esi\n\t"
"movl 16(%esp),%ebx\n\t"
"movl 20(%esp),%ecx\n\t"
"movl 24(%esp),%eax\n\t"
"movl 28(%esp),%edx\n\t"
"lock; cmpxchg8b (%esi)\n\t"
"pop %esi\n\t"
"pop %ebx\n\t"
"ret");
__ASM_GLOBAL_FUNC(interlocked_xchg,
"movl 8(%esp),%eax\n\t"
"movl 4(%esp),%edx\n\t"
@ -73,6 +86,21 @@ __declspec(naked) void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *
__asm ret;
}
__declspec(naked) __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare)
{
__asm push ebx;
__asm push esi;
__asm mov esi, 12[esp];
__asm mov ebx, 16[esp];
__asm mov ecx, 20[esp];
__asm mov eax, 24[esp];
__asm mov edx, 28[esp];
__asm lock cmpxchg8b [esi];
__asm pop esi;
__asm pop ebx;
__asm ret;
}
__declspec(naked) int interlocked_xchg( int *dest, int val )
{
__asm mov eax, 8[esp];
@ -113,6 +141,11 @@ __ASM_GLOBAL_FUNC(interlocked_cmpxchg_ptr,
"mov %rdx, %rax\n\t"
"lock cmpxchgq %rsi,(%rdi)\n\t"
"ret")
__int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare)
{
/* FIXME: add code */
assert(0);
}
__ASM_GLOBAL_FUNC(interlocked_xchg,
"mov %esi, %eax\n\t"
"lock xchgl %eax, (%rdi)\n\t"
@ -149,6 +182,12 @@ void* interlocked_cmpxchg_ptr( void **dest, void* xchg, void* compare)
return ret;
}
__int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare)
{
/* FIXME: add code */
assert(0);
}
int interlocked_cmpxchg( int *dest, int xchg, int compare)
{
int ret = 0;
@ -244,6 +283,15 @@ void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare )
return compare;
}
__int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare )
{
_lwp_mutex_lock( &interlocked_mutex );
if (*dest == compare) *dest = xchg;
else compare = *dest;
_lwp_mutex_unlock( &interlocked_mutex );
return compare;
}
int interlocked_xchg( int *dest, int val )
{
int retv;
@ -300,6 +348,12 @@ __ASM_GLOBAL_FUNC(interlocked_cmpxchg_ptr,
"L1cmpxchg_ptr:\n\t"
"mb")
__int64 interlocked_cmpxchg64(__int64 *dest, __int64 xchg, __int64 compare)
{
/* FIXME: add code */
assert(0);
}
__ASM_GLOBAL_FUNC(interlocked_xchg,
"L0xchg:\n\t"
"ldl_l $0,0($16)\n\t"