Revision 89343ecd linux-user/qemu.h
| b/linux-user/qemu.h | ||
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| 206 | 206 |
#define access_ok(type,addr,size) \ |
| 207 | 207 |
(page_check_range((target_ulong)addr,size,(type==VERIFY_READ)?PAGE_READ:PAGE_WRITE)==0) |
| 208 | 208 |
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/* NOTE get_user and put_user use host addresses. */
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#define __put_user(x,ptr)\ |
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/* NOTE __get_user and __put_user use host pointers and don't check access. */
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#define __put_user(x, hptr)\
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({\
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int size = sizeof(*ptr);\ |
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int size = sizeof(*hptr);\
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switch(size) {\
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case 1:\ |
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*(uint8_t *)(ptr) = (typeof(*ptr))(x);\
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*(uint8_t *)(hptr) = (typeof(*hptr))(x);\
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break;\ |
| 217 | 217 |
case 2:\ |
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*(uint16_t *)(ptr) = tswap16((typeof(*ptr))(x));\
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*(uint16_t *)(hptr) = tswap16((typeof(*hptr))(x));\
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break;\ |
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case 4:\ |
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*(uint32_t *)(ptr) = tswap32((typeof(*ptr))(x));\
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*(uint32_t *)(hptr) = tswap32((typeof(*hptr))(x));\
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break;\ |
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case 8:\ |
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*(uint64_t *)(ptr) = tswap64((typeof(*ptr))(x));\
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*(uint64_t *)(hptr) = tswap64((typeof(*hptr))(x));\
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break;\ |
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default:\ |
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abort();\ |
| ... | ... | |
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0;\ |
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}) |
| 231 | 231 |
|
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#define __get_user(x, ptr) \ |
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#define __get_user(x, hptr) \
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({\
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int size = sizeof(*ptr);\ |
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int size = sizeof(*hptr);\
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switch(size) {\
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| 236 | 236 |
case 1:\ |
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x = (typeof(*ptr))*(uint8_t *)(ptr);\
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x = (typeof(*hptr))*(uint8_t *)(hptr);\
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break;\ |
| 239 | 239 |
case 2:\ |
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x = (typeof(*ptr))tswap16(*(uint16_t *)(ptr));\
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x = (typeof(*hptr))tswap16(*(uint16_t *)(hptr));\
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break;\ |
| 242 | 242 |
case 4:\ |
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x = (typeof(*ptr))tswap32(*(uint32_t *)(ptr));\
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x = (typeof(*hptr))tswap32(*(uint32_t *)(hptr));\
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break;\ |
| 245 | 245 |
case 8:\ |
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x = (typeof(*ptr))tswap64(*(uint64_t *)(ptr));\
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x = (typeof(*hptr))tswap64(*(uint64_t *)(hptr));\
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break;\ |
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default:\ |
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abort();\ |
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