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| author | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-11-02 20:24:22 +0000 |
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| committer | ths <ths@c046a42c-6fe2-441c-8c8c-71466251a162> | 2007-11-02 20:24:22 +0000 |
| commit | 89343ecde51e7c287e8647a13f9e18f68a37c87c (patch) | |
| tree | a6f99d2b33632d338b460ea70e446fa9dbcdbaff /linux-user/qemu.h | |
| parent | 80210bcd719c615d3ae9cd851e9e961bac722538 (diff) | |
| download | qemu-89343ecde51e7c287e8647a13f9e18f68a37c87c.tar.gz qemu-89343ecde51e7c287e8647a13f9e18f68a37c87c.tar.bz2 qemu-89343ecde51e7c287e8647a13f9e18f68a37c87c.zip | |
EFAULT - update __get_user() __put_user(), by Thayne Harbaugh.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3508 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'linux-user/qemu.h')
| -rw-r--r-- | linux-user/qemu.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/linux-user/qemu.h b/linux-user/qemu.h index bcc0b34f36..d0f650edaa 100644 --- a/linux-user/qemu.h +++ b/linux-user/qemu.h @@ -206,22 +206,22 @@ int target_msync(abi_ulong start, abi_ulong len, int flags); #define access_ok(type,addr,size) \ (page_check_range((target_ulong)addr,size,(type==VERIFY_READ)?PAGE_READ:PAGE_WRITE)==0) -/* NOTE get_user and put_user use host addresses. */ -#define __put_user(x,ptr)\ +/* NOTE __get_user and __put_user use host pointers and don't check access. */ +#define __put_user(x, hptr)\ ({\ - int size = sizeof(*ptr);\ + int size = sizeof(*hptr);\ switch(size) {\ case 1:\ - *(uint8_t *)(ptr) = (typeof(*ptr))(x);\ + *(uint8_t *)(hptr) = (typeof(*hptr))(x);\ break;\ case 2:\ - *(uint16_t *)(ptr) = tswap16((typeof(*ptr))(x));\ + *(uint16_t *)(hptr) = tswap16((typeof(*hptr))(x));\ break;\ case 4:\ - *(uint32_t *)(ptr) = tswap32((typeof(*ptr))(x));\ + *(uint32_t *)(hptr) = tswap32((typeof(*hptr))(x));\ break;\ case 8:\ - *(uint64_t *)(ptr) = tswap64((typeof(*ptr))(x));\ + *(uint64_t *)(hptr) = tswap64((typeof(*hptr))(x));\ break;\ default:\ abort();\ @@ -229,21 +229,21 @@ int target_msync(abi_ulong start, abi_ulong len, int flags); 0;\ }) -#define __get_user(x, ptr) \ +#define __get_user(x, hptr) \ ({\ - int size = sizeof(*ptr);\ + int size = sizeof(*hptr);\ switch(size) {\ case 1:\ - x = (typeof(*ptr))*(uint8_t *)(ptr);\ + x = (typeof(*hptr))*(uint8_t *)(hptr);\ break;\ case 2:\ - x = (typeof(*ptr))tswap16(*(uint16_t *)(ptr));\ + x = (typeof(*hptr))tswap16(*(uint16_t *)(hptr));\ break;\ case 4:\ - x = (typeof(*ptr))tswap32(*(uint32_t *)(ptr));\ + x = (typeof(*hptr))tswap32(*(uint32_t *)(hptr));\ break;\ case 8:\ - x = (typeof(*ptr))tswap64(*(uint64_t *)(ptr));\ + x = (typeof(*hptr))tswap64(*(uint64_t *)(hptr));\ break;\ default:\ abort();\ |