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Diffstat (limited to 'linux-user/syscall.c')
-rw-r--r--linux-user/syscall.c26
1 files changed, 10 insertions, 16 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 38e242b487..ac7a11192b 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -64,11 +64,6 @@
//#define DEBUG
-#ifndef PAGE_SIZE
-#define PAGE_SIZE 4096
-#define PAGE_MASK ~(PAGE_SIZE - 1)
-#endif
-
//#include <linux/msdos_fs.h>
#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct dirent [2])
#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct dirent [2])
@@ -153,7 +148,7 @@ static long do_brk(char *new_brk)
if (new_brk < target_original_brk)
return -ENOMEM;
- brk_page = (char *)(((unsigned long)target_brk + PAGE_SIZE - 1) & PAGE_MASK);
+ brk_page = (char *)HOST_PAGE_ALIGN((unsigned long)target_brk);
/* If the new brk is less than this, set it and we're done... */
if (new_brk < brk_page) {
@@ -162,11 +157,10 @@ static long do_brk(char *new_brk)
}
/* We need to allocate more memory after the brk... */
- new_alloc_size = ((new_brk - brk_page + 1)+(PAGE_SIZE-1)) & PAGE_MASK;
- mapped_addr = get_errno((long)mmap((caddr_t)brk_page, new_alloc_size,
- PROT_READ|PROT_WRITE,
- MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
-
+ new_alloc_size = HOST_PAGE_ALIGN(new_brk - brk_page + 1);
+ mapped_addr = get_errno(target_mmap((unsigned long)brk_page, new_alloc_size,
+ PROT_READ|PROT_WRITE,
+ MAP_ANON|MAP_FIXED|MAP_PRIVATE, 0, 0));
if (is_error(mapped_addr)) {
return mapped_addr;
} else {
@@ -1709,7 +1703,7 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
v4 = tswap32(vptr[3]);
v5 = tswap32(vptr[4]);
v6 = tswap32(vptr[5]);
- ret = get_errno((long)mmap((void *)v1, v2, v3, v4, v5, v6));
+ ret = get_errno(target_mmap(v1, v2, v3, v4, v5, v6));
}
break;
#endif
@@ -1718,16 +1712,16 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
#else
case TARGET_NR_mmap:
#endif
- ret = get_errno((long)mmap((void *)arg1, arg2, arg3, arg4, arg5, arg6));
+ ret = get_errno(target_mmap(arg1, arg2, arg3, arg4, arg5, arg6));
break;
case TARGET_NR_munmap:
- ret = get_errno(munmap((void *)arg1, arg2));
+ ret = get_errno(target_munmap(arg1, arg2));
break;
case TARGET_NR_mprotect:
- ret = get_errno(mprotect((void *)arg1, arg2, arg3));
+ ret = get_errno(target_mprotect(arg1, arg2, arg3));
break;
case TARGET_NR_mremap:
- ret = get_errno((long)mremap((void *)arg1, arg2, arg3, arg4));
+ ret = get_errno(target_mremap(arg1, arg2, arg3, arg4, arg5));
break;
case TARGET_NR_msync:
ret = get_errno(msync((void *)arg1, arg2, arg3));