UML: fix the MODE_TT compilation

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
This commit is contained in:
Paolo 'Blaisorblade' Giarrusso
2007-01-14 15:42:49 +01:00
committed by Adrian Bunk
parent ac5d18dff7
commit 12f5aa0834
2 changed files with 14 additions and 8 deletions
+7 -4
View File
@@ -5,17 +5,20 @@
#include <linux/mman.h>
#include <asm/unistd.h>
#include <sys/syscall.h>
static int errno;
static inline _syscall2(int,munmap,void *,start,size_t,len)
static inline _syscall6(void *,mmap2,void *,addr,size_t,len,int,prot,int,flags,int,fd,off_t,offset)
int switcheroo(int fd, int prot, void *from, void *to, int size)
{
if (syscall(__NR_munmap, to, size) < 0){
if(munmap(to, size) < 0){
return(-1);
}
if (syscall(__NR_mmap2, to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1 ){
if(mmap2(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1 ){
return(-1);
}
if (syscall(__NR_munmap, from, size) < 0){
if(munmap(from, size) < 0){
return(-1);
}
return(0);
+7 -4
View File
@@ -5,17 +5,20 @@
#include <linux/mman.h>
#include <asm/unistd.h>
#include <sys/syscall.h>
static int errno;
static inline _syscall2(int,munmap,void *,start,size_t,len)
static inline _syscall6(void *,mmap,void *,addr,size_t,len,int,prot,int,flags,int,fd,off_t,offset)
int switcheroo(int fd, int prot, void *from, void *to, int size)
{
if (syscall(__NR_munmap, to, size) < 0){
if(munmap(to, size) < 0){
return(-1);
}
if (syscall(__NR_mmap, to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1){
if(mmap(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1){
return(-1);
}
if (syscall(__NR_munmap, from, size) < 0){
if(munmap(from, size) < 0){
return(-1);
}
return(0);