1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
|
/* $OpenBSD: externs1.h,v 1.15 2006/05/29 20:47:22 cloder Exp $ */
/* $NetBSD: externs1.h,v 1.7 1995/10/02 17:31:39 jpo Exp $ */
/*
* Copyright (c) 1994, 1995 Jochen Pohl
* All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Jochen Pohl for
* The NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* main.c
*/
extern int cflag;
extern int dflag;
extern int eflag;
extern int fflag;
extern int Fflag;
extern int gflag;
extern int hflag;
extern int pflag;
extern int rflag;
extern int sflag;
extern int uflag;
extern int vflag;
extern int yflag;
extern int zflag;
extern void norecover(void);
/*
* cgram.y
*/
extern int blklev;
extern int mblklev;
extern int yydebug;
extern int yyerror(char *);
extern int yyparse(void);
/*
* scan.l
*/
extern pos_t curr_pos;
extern pos_t csrc_pos;
extern symt_t symtyp;
extern FILE *yyin;
extern u_quad_t qbmasks[], qlmasks[], qumasks[];
extern void initscan(void);
extern int sign(quad_t, tspec_t, int);
extern int msb(quad_t, tspec_t, int);
extern quad_t xsign(quad_t, tspec_t, int);
extern void clrwflgs(void);
extern sym_t *getsym(sbuf_t *);
extern void cleanup(void);
extern sym_t *pushdown(sym_t *);
extern void rmsym(sym_t *);
extern void rmsyms(sym_t *);
extern void inssym(int, sym_t *);
extern void freeyyv(void *, int);
extern int yylex(void);
/*
* mem1.c
*/
extern const char *fnalloc(const char *);
extern const char *fnnalloc(const char *, size_t);
extern int getfnid(const char *);
extern void initmem(void);
extern void *getblk(size_t);
extern void *getlblk(int, size_t);
extern void freeblk(void);
extern void freelblk(int);
extern void *tgetblk(size_t);
extern tnode_t *getnode(void);
extern void tfreeblk(void);
extern struct mbl *tsave(void);
extern void trestor(struct mbl *);
/*
* err.c
*/
extern int nerr;
extern int sytxerr;
extern const char *msgs[];
extern void error(int, ...);
extern void warning(int, ...);
extern void message(int, ...);
extern int gnuism(int, ...);
extern void lerror(const char *, ...);
/*
* decl.c
*/
extern dinfo_t *dcs;
extern const char *unnamed;
extern int enumval;
extern void initdecl(void);
extern type_t *gettyp(tspec_t);
extern type_t *duptyp(const type_t *);
extern type_t *tduptyp(const type_t *);
extern int incompl(type_t *);
extern void setcompl(type_t *, int);
extern void addscl(scl_t);
extern void addtype(type_t *);
extern void addqual(tqual_t);
extern void pushdecl(scl_t);
extern void popdecl(void);
extern void setasm(void);
extern void clrtyp(void);
extern void deftyp(void);
extern int length(type_t *, const char *);
extern int getbound(type_t *);
extern sym_t *lnklst(sym_t *, sym_t *);
extern void chktyp(sym_t *);
extern sym_t *decl1str(sym_t *);
extern sym_t *bitfield(sym_t *, int);
extern pqinf_t *mergepq(pqinf_t *, pqinf_t *);
extern sym_t *addptr(sym_t *, pqinf_t *);
extern sym_t *addarray(sym_t *, int, int);
extern sym_t *addfunc(sym_t *, sym_t *);
extern void chkfdef(sym_t *, int);
extern sym_t *dname(sym_t *);
extern sym_t *iname(sym_t *);
extern type_t *mktag(sym_t *, tspec_t, int, int);
extern const char *scltoa(scl_t);
extern type_t *compltag(type_t *, sym_t *);
extern sym_t *ename(sym_t *, int, int);
extern void decl1ext(sym_t *, int);
extern void cpuinfo(sym_t *, sym_t *);
extern int isredec(sym_t *, int *);
extern int eqtype(type_t *, type_t *, int, int, int *);
extern void compltyp(sym_t *, sym_t *);
extern sym_t *decl1arg(sym_t *, int);
extern void cluparg(void);
extern void decl1loc(sym_t *, int);
extern sym_t *aname(void);
extern void globclup(void);
extern sym_t *decl1abs(sym_t *);
extern void chksz(sym_t *);
extern void setsflg(sym_t *);
extern void setuflg(sym_t *, int, int);
extern void chkusage(dinfo_t *);
extern void chkusg1(int, sym_t *);
extern void chkglsyms(void);
extern void prevdecl(int, sym_t *);
/*
* tree.c
*/
extern void initmtab(void);
extern type_t *incref(type_t *, tspec_t);
extern type_t *tincref(type_t *, tspec_t);
extern tnode_t *getcnode(type_t *, val_t *);
extern tnode_t *getnnode(sym_t *, int);
extern tnode_t *getsnode(strg_t *);
extern sym_t *strmemb(tnode_t *, op_t, sym_t *);
extern tnode_t *build(op_t, tnode_t *, tnode_t *);
extern tnode_t *cconv(tnode_t *);
extern int typeok(op_t, farg_t *, tnode_t *, tnode_t *);
extern tnode_t *promote(op_t, int, tnode_t *);
extern tnode_t *convert(op_t, farg_t *, type_t *, tnode_t *);
extern void cvtcon(op_t, farg_t *, type_t *, val_t *, val_t *);
extern const char *tyname(type_t *);
extern tnode_t *bldszof(type_t *);
extern tnode_t *bldszoftrm(tnode_t *);
extern tnode_t *cast(tnode_t *, type_t *);
extern tnode_t *funcarg(tnode_t *, tnode_t *);
extern tnode_t *funccall(tnode_t *, tnode_t *);
extern val_t *constant(tnode_t *);
extern void expr(tnode_t *, int, int);
extern void chkmisc(tnode_t *, int, int, int, int, int, int);
extern int conaddr(tnode_t *, sym_t **, ptrdiff_t *);
extern strg_t *catstrg(strg_t *, strg_t *);
extern void displexpr(tnode_t *, int);
/*
* func.c
*/
extern sym_t *funcsym;
extern int reached;
extern int rchflg;
extern int ftflg;
extern int nargusg;
extern pos_t aupos;
extern int nvararg;
extern pos_t vapos;
extern int prflstrg;
extern pos_t prflpos;
extern int scflstrg;
extern pos_t scflpos;
extern int ccflg;
extern int llibflg;
extern int nowarn;
extern int noretflg;
extern int usedflg;
extern int plibflg;
extern int quadflg;
extern void pushctrl(int);
extern void popctrl(int);
extern void chkreach(void);
extern void funcdef(sym_t *);
extern void funcend(void);
extern void label(int, sym_t *, tnode_t *);
extern void if1(tnode_t *);
extern void if2(void);
extern void if3(int);
extern void switch1(tnode_t *);
extern void switch2(void);
extern void while1(tnode_t *);
extern void while2(void);
extern void do1(void);
extern void do2(tnode_t *);
extern void for1(tnode_t *, tnode_t *, tnode_t *);
extern void for2(void);
extern void dogoto(sym_t *);
extern void docont(void);
extern void dobreak(void);
extern void doreturn(tnode_t *);
extern void glclup(int);
extern void argsused(int);
extern void noreturn(int);
extern void lintused(int);
extern void constcond(int);
extern void fallthru(int);
extern void notreach(int);
extern void lintlib(int);
extern void linted(int);
extern void varargs(int);
extern void printflike(int);
extern void scanflike(int);
extern void protolib(int);
extern void longlong(int);
/*
* init.c
*/
extern int initerr;
extern sym_t *initsym;
extern int startinit;
extern void prepinit(void);
extern void initrbr(void);
extern void initlbr(void);
extern void mkinit(tnode_t *);
/*
* emit.c
*/
extern void outtype(type_t *);
extern const char *ttos(type_t *);
extern void outsym(sym_t *, scl_t, def_t);
extern void outfdef(sym_t *, pos_t *, int, int, sym_t *);
extern void outcall(tnode_t *, int, int);
extern void outusg(sym_t *);
|