Line data    Source code

       1             : /*
       2             : ** DynASM encoding engine prototypes.
       3             : ** Copyright (C) 2005-2023 Mike Pall. All rights reserved.
       4             : ** Released under the MIT license. See dynasm.lua for full copyright notice.
       5             : */
       6             : 
       7             : #ifndef _DASM_PROTO_H
       8             : #define _DASM_PROTO_H
       9             : 
      10             : #include <stddef.h>
      11             : #include <stdarg.h>
      12             : 
      13             : #define DASM_IDENT      "DynASM 1.5.0"
      14             : #define DASM_VERSION    10500   /* 1.5.0 */
      15             : 
      16             : #ifndef Dst_DECL
      17             : #define Dst_DECL        dasm_State **Dst
      18             : #endif
      19             : 
      20             : #ifndef Dst_REF
      21           3 : #define Dst_REF         (*Dst)
      22             : #endif
      23             : 
      24             : #ifndef DASM_FDEF
      25             : #define DASM_FDEF       extern
      26             : #endif
      27             : 
      28             : #ifndef DASM_M_GROW
      29             : #define DASM_M_GROW(ctx, t, p, sz, need) \
      30             :   do { \
      31             :     size_t _sz = (sz), _need = (need); \
      32             :     if (_sz < _need) { \
      33             :       if (_sz < 16) _sz = 16; \
      34             :       while (_sz < _need) _sz += _sz; \
      35             :       (p) = (t *)realloc((p), _sz); \
      36             :       if ((p) == NULL) exit(1); \
      37             :       (sz) = _sz; \
      38             :     } \
      39             :   } while(0)
      40             : #endif
      41             : 
      42             : #ifndef DASM_M_FREE
      43             : #define DASM_M_FREE(ctx, p, sz) free(p)
      44             : #endif
      45             : 
      46             : /* Internal DynASM encoder state. */
      47             : typedef struct dasm_State dasm_State;
      48             : 
      49             : 
      50             : /* Initialize and free DynASM state. */
      51             : DASM_FDEF void dasm_init(Dst_DECL, int maxsection);
      52             : DASM_FDEF void dasm_free(Dst_DECL);
      53             : 
      54             : /* Setup global array. Must be called before dasm_setup(). */
      55             : DASM_FDEF void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl);
      56             : 
      57             : /* Grow PC label array. Can be called after dasm_setup(), too. */
      58             : DASM_FDEF void dasm_growpc(Dst_DECL, unsigned int maxpc);
      59             : 
      60             : /* Setup encoder. */
      61             : DASM_FDEF void dasm_setup(Dst_DECL, const void *actionlist);
      62             : 
      63             : /* Feed encoder with actions. Calls are generated by pre-processor. */
      64             : DASM_FDEF void dasm_put(Dst_DECL, int start, ...);
      65             : 
      66             : /* Link sections and return the resulting size. */
      67             : DASM_FDEF int dasm_link(Dst_DECL, size_t *szp);
      68             : 
      69             : /* Encode sections into buffer. */
      70             : DASM_FDEF int dasm_encode(Dst_DECL, void *buffer);
      71             : 
      72             : /* Get PC label offset. */
      73             : DASM_FDEF int dasm_getpclabel(Dst_DECL, unsigned int pc);
      74             : 
      75             : #ifdef DASM_CHECKS
      76             : /* Optional sanity checker to call between isolated encoding steps. */
      77             : DASM_FDEF int dasm_checkstep(Dst_DECL, int secmatch);
      78             : #else
      79             : #define dasm_checkstep(a, b)    0
      80             : #endif
      81             : 
      82             : 
      83             : #endif /* _DASM_PROTO_H */