1 files changed, 102 insertions, 0 deletions
diff --git a/src/tools/lcc/src/config.h b/src/tools/lcc/src/config.h
new file mode 100644
index 0000000..6f0d5a6
--- /dev/null
+++ b/src/tools/lcc/src/config.h
@@ -0,0 +1,102 @@
+typedef struct {
+	unsigned char max_unaligned_load;
+	Symbol (*rmap)(int);
+
+	void (*blkfetch)(int size, int off, int reg, int tmp);
+	void (*blkstore)(int size, int off, int reg, int tmp);
+	void (*blkloop)(int dreg, int doff,
+	                 int sreg, int soff,
+	                 int size, int tmps[]);
+	void (*_label)(Node);
+	int (*_rule)(void*, int);
+	short **_nts;
+	void (*_kids)(Node, int, Node*);
+	char **_string;
+	char **_templates;
+	char *_isinstruction;
+	char **_ntname;
+	void (*emit2)(Node);
+	void (*doarg)(Node);
+	void (*target)(Node);
+	void (*clobber)(Node);
+} Xinterface;
+extern int     askregvar(Symbol, Symbol);
+extern void    blkcopy(int, int, int, int, int, int[]);
+extern int     getregnum(Node);
+extern int     mayrecalc(Node);
+extern int     mkactual(int, int);
+extern void    mkauto(Symbol);
+extern Symbol  mkreg(char *, int, int, int);
+extern Symbol  mkwildcard(Symbol *);
+extern int     move(Node);
+extern int     notarget(Node);
+extern void    parseflags(int, char **);
+extern int     range(Node, int, int);
+extern unsigned regloc(Symbol);  /* omit */
+extern void    rtarget(Node, int, Symbol);
+extern void    setreg(Node, Symbol);
+extern void    spill(unsigned, int, Node);
+extern int     widens(Node);
+
+extern int      argoffset, maxargoffset;
+extern int      bflag, dflag;
+extern int      dalign, salign;
+extern int      framesize;
+extern unsigned freemask[], usedmask[];
+extern int      offset, maxoffset;
+extern int      swap;
+extern unsigned tmask[], vmask[];
+typedef struct {
+	unsigned listed:1;
+	unsigned registered:1;
+	unsigned emitted:1;
+	unsigned copy:1;
+	unsigned equatable:1;
+	unsigned spills:1;
+	unsigned mayrecalc:1;
+	void *state;
+	short inst;
+	Node kids[3];
+	Node prev, next;
+	Node prevuse;
+	short argno;
+} Xnode;
+typedef struct {
+	Symbol vbl;
+	short set;
+	short number;
+	unsigned mask;
+} *Regnode;
+enum { IREG=0, FREG=1 };
+typedef struct {
+	char *name;
+	unsigned int eaddr;  /* omit */
+	int offset;
+	Node lastuse;
+	int usecount;
+	Regnode regnode;
+	Symbol *wildcard;
+} Xsymbol;
+enum { RX=2 };
+typedef struct {
+	int offset;
+	unsigned freemask[2];
+} Env;
+
+#define LBURG_MAX SHRT_MAX
+
+enum { VREG=(44<<4) };
+
+/* Exported for the front end */
+extern void             blockbeg(Env *);
+extern void             blockend(Env *);
+extern void             emit(Node);
+extern Node             gen(Node);
+
+extern unsigned         emitbin(Node, int);
+
+#ifdef NDEBUG
+#define debug(x) (void)0
+#else
+#define debug(x) (void)(dflag&&((x),0))
+#endif