dfaggioli/qemu
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

suppressed page_unprotect_range() - fixed access_ok()

Browse Source 
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3641 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard
2007-11-14 10:51:00 +00:00
parent 9b0b82037a
commit dae3270c6e
4 changed files with 17 additions and 23 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
linux-user/qemu.h
View File

@@ -207,8 +207,11 @@ int target_msync(abi_ulong start, abi_ulong len, int flags);
#define VERIFY_READ 0
#define VERIFY_WRITE 1 /* implies read access */
#define access_ok(type,addr,size) \
(page_check_range((target_ulong)addr,size,(type==VERIFY_READ)?PAGE_READ:PAGE_WRITE)==0)
static inline int access_ok(int type, abi_ulong addr, abi_ulong size)
{
return page_check_range((target_ulong)addr, size,
(type == VERIFY_READ) ? PAGE_READ : (PAGE_READ | PAGE_WRITE)) == 0;
}
/* NOTE __get_user and __put_user use host pointers and don't check access. */
/* These are usually used to access struct data members once the