1 #ifndef _QEMU_FILE_H 2 #define _QEMU_FILE_H 3 4 #include "hw/hw.h" 5 6 typedef enum { 7 Q_FIELD_END, /* mark end of field list */ 8 Q_FIELD_BYTE, /* for 1-byte fields */ 9 Q_FIELD_INT16, /* for 2-byte fields */ 10 Q_FIELD_INT32, /* for 4-byte fields */ 11 Q_FIELD_INT64, /* for 8-byte fields */ 12 Q_FIELD_BUFFER, /* for buffer fields */ 13 Q_FIELD_BUFFER_SIZE, /* to specify the size of buffers */ 14 15 #if TARGET_LONG_BITS == 64 16 Q_FIELD_TL = Q_FIELD_INT64, /* target long, either 4 or 8 bytes */ 17 #else 18 Q_FIELD_TL = Q_FIELD_INT32 19 #endif 20 21 } QFieldType; 22 23 typedef struct { 24 QFieldType type : 16; /* field type */ 25 uint16_t offset; /* offset of field in structure */ 26 } QField; 27 28 #define QFIELD_BEGIN(name) \ 29 static const QField name[] = { 30 31 #define _QFIELD_(t, f) { t, offsetof(QFIELD_STRUCT,f) } 32 #define QFIELD_BYTE(f) _QFIELD_(Q_FIELD_BYTE, f) 33 #define QFIELD_INT16(f) _QFIELD_(Q_FIELD_INT16, f) 34 #define QFIELD_INT32(f) _QFIELD_(Q_FIELD_INT32, f) 35 #define QFIELD_INT64(f) _QFIELD_(Q_FIELD_INT64, f) 36 #define QFIELD_TL(f) _QFIELD_(Q_FIELD_TL, f) 37 38 #define _QFIELD_SIZEOF(f) sizeof(((QFIELD_STRUCT*)0)->f) 39 40 #define QFIELD_BUFFER(f) \ 41 _QFIELD_(Q_FIELD_BUFFER, f), \ 42 { Q_FIELD_BUFFER_SIZE, (uint16_t)(_QFIELD_SIZEOF(f) >> 16) }, \ 43 { Q_FIELD_BUFFER_SIZE, (uint16_t) _QFIELD_SIZEOF(f) } 44 45 #define QFIELD_END \ 46 { Q_FIELD_END, 0 }, \ 47 }; 48 49 extern void qemu_put_struct(QEMUFile* f, const QField* fields, const void* s); 50 extern int qemu_get_struct(QEMUFile* f, const QField* fields, void* s); 51 52 #endif /* _QEMU_FILE_H */ 53