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84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
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/*
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** DynASM encoding engine prototypes.
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** Copyright (C) 2005-2021 Mike Pall. All rights reserved.
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** Released under the MIT license. See dynasm.lua for full copyright notice.
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*/
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#ifndef _DASM_PROTO_H
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#define _DASM_PROTO_H
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#include <stddef.h>
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#include <stdarg.h>
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#define DASM_IDENT "DynASM 1.5.0"
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#define DASM_VERSION 10500 /* 1.5.0 */
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#ifndef Dst_DECL
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#define Dst_DECL dasm_State **Dst
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#endif
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#ifndef Dst_REF
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#define Dst_REF (*Dst)
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#endif
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#ifndef DASM_FDEF
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#define DASM_FDEF extern
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#endif
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#ifndef DASM_M_GROW
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#define DASM_M_GROW(ctx, t, p, sz, need) \
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do { \
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size_t _sz = (sz), _need = (need); \
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if (_sz < _need) { \
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if (_sz < 16) _sz = 16; \
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while (_sz < _need) _sz += _sz; \
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(p) = (t *)realloc((p), _sz); \
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if ((p) == NULL) exit(1); \
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(sz) = _sz; \
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} \
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} while(0)
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#endif
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#ifndef DASM_M_FREE
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#define DASM_M_FREE(ctx, p, sz) free(p)
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#endif
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/* Internal DynASM encoder state. */
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typedef struct dasm_State dasm_State;
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/* Initialize and free DynASM state. */
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DASM_FDEF void dasm_init(Dst_DECL, int maxsection);
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DASM_FDEF void dasm_free(Dst_DECL);
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/* Setup global array. Must be called before dasm_setup(). */
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DASM_FDEF void dasm_setupglobal(Dst_DECL, void **gl, unsigned int maxgl);
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/* Grow PC label array. Can be called after dasm_setup(), too. */
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DASM_FDEF void dasm_growpc(Dst_DECL, unsigned int maxpc);
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/* Setup encoder. */
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DASM_FDEF void dasm_setup(Dst_DECL, const void *actionlist);
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/* Feed encoder with actions. Calls are generated by pre-processor. */
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DASM_FDEF void dasm_put(Dst_DECL, int start, ...);
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/* Link sections and return the resulting size. */
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DASM_FDEF int dasm_link(Dst_DECL, size_t *szp);
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/* Encode sections into buffer. */
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DASM_FDEF int dasm_encode(Dst_DECL, void *buffer);
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/* Get PC label offset. */
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DASM_FDEF int dasm_getpclabel(Dst_DECL, unsigned int pc);
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#ifdef DASM_CHECKS
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/* Optional sanity checker to call between isolated encoding steps. */
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DASM_FDEF int dasm_checkstep(Dst_DECL, int secmatch);
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#else
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#define dasm_checkstep(a, b) 0
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#endif
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#endif /* _DASM_PROTO_H */
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