1 #include "l.h"
2
3 void
listinit(void)4 listinit(void)
5 {
6
7 fmtinstall('A', Aconv);
8 fmtinstall('D', Dconv);
9 fmtinstall('P', Pconv);
10 fmtinstall('S', Sconv);
11 fmtinstall('N', Nconv);
12 fmtinstall('R', Rconv);
13 }
14
15 void
prasm(Prog * p)16 prasm(Prog *p)
17 {
18 print("%P\n", p);
19 }
20
21 int
Pconv(Fmt * fp)22 Pconv(Fmt *fp)
23 {
24 char str[STRINGSZ], *s;
25 Prog *p;
26 int a;
27
28 p = va_arg(fp->args, Prog*);
29 curp = p;
30 a = p->as;
31 if(a == ADATA || a == AINIT || a == ADYNT)
32 sprint(str, "(%d) %A %D/%d,%D", p->line, a, &p->from, p->reg, &p->to);
33 else {
34 s = str;
35 if(p->mark & NOSCHED)
36 s += sprint(s, "*");
37 if(p->reg == NREG && p->from3.type == D_NONE)
38 sprint(s, "(%d) %A %D,%D", p->line, a, &p->from, &p->to);
39 else
40 if(a != ATEXT && p->from.type == D_OREG) {
41 sprint(s, "(%d) %A %lld(R%d+R%d),%D", p->line, a,
42 p->from.offset, p->from.reg, p->reg, &p->to);
43 } else
44 if(p->to.type == D_OREG) {
45 sprint(s, "(%d) %A %D,%lld(R%d+R%d)", p->line, a,
46 &p->from, p->to.offset, p->to.reg, p->reg);
47 } else {
48 s += sprint(s, "(%d) %A %D", p->line, a, &p->from);
49 if(p->reg != NREG)
50 s += sprint(s, ",%c%d", p->from.type==D_FREG?'F':'R', p->reg);
51 if(p->from3.type != D_NONE)
52 s += sprint(s, ",%D", &p->from3);
53 sprint(s, ",%D", &p->to);
54 }
55 }
56 return fmtstrcpy(fp, str);
57 }
58
59 int
Aconv(Fmt * fp)60 Aconv(Fmt *fp)
61 {
62 char *s;
63 int a;
64
65 a = va_arg(fp->args, int);
66 s = "???";
67 if(a >= AXXX && a < ALAST)
68 s = anames[a];
69 return fmtstrcpy(fp, s);
70 }
71
72 int
Dconv(Fmt * fp)73 Dconv(Fmt *fp)
74 {
75 char str[STRINGSZ];
76 Adr *a;
77 long v;
78
79 a = va_arg(fp->args, Adr*);
80 switch(a->type) {
81
82 default:
83 sprint(str, "GOK-type(%d)", a->type);
84 break;
85
86 case D_NONE:
87 str[0] = 0;
88 if(a->name != D_NONE || a->reg != NREG || a->sym != S)
89 sprint(str, "%N(R%d)(NONE)", a, a->reg);
90 break;
91
92 case D_CONST:
93 case D_DCONST:
94 if(a->reg != NREG)
95 sprint(str, "$%N(R%d)", a, a->reg);
96 else
97 sprint(str, "$%N", a);
98 break;
99
100 case D_OREG:
101 if(a->reg != NREG)
102 sprint(str, "%N(R%d)", a, a->reg);
103 else
104 sprint(str, "%N", a);
105 break;
106
107 case D_REG:
108 sprint(str, "R%d", a->reg);
109 if(a->name != D_NONE || a->sym != S)
110 sprint(str, "%N(R%d)(REG)", a, a->reg);
111 break;
112
113 case D_FREG:
114 sprint(str, "F%d", a->reg);
115 if(a->name != D_NONE || a->sym != S)
116 sprint(str, "%N(F%d)(REG)", a, a->reg);
117 break;
118
119 case D_CREG:
120 if(a->reg == NREG)
121 strcpy(str, "CR");
122 else
123 sprint(str, "CR%d", a->reg);
124 if(a->name != D_NONE || a->sym != S)
125 sprint(str, "%N(C%d)(REG)", a, a->reg);
126 break;
127
128 case D_SPR:
129 if(a->name == D_NONE && a->sym == S) {
130 switch((ulong)a->offset) {
131 case D_XER: sprint(str, "XER"); break;
132 case D_LR: sprint(str, "LR"); break;
133 case D_CTR: sprint(str, "CTR"); break;
134 default: sprint(str, "SPR(%lld)", a->offset); break;
135 }
136 break;
137 }
138 sprint(str, "SPR-GOK(%d)", a->reg);
139 if(a->name != D_NONE || a->sym != S)
140 sprint(str, "%N(SPR-GOK%d)(REG)", a, a->reg);
141 break;
142
143 case D_DCR:
144 if(a->name == D_NONE && a->sym == S) {
145 sprint(str, "DCR(%lld)", a->offset);
146 break;
147 }
148 sprint(str, "DCR-GOK(%d)", a->reg);
149 if(a->name != D_NONE || a->sym != S)
150 sprint(str, "%N(DCR-GOK%d)(REG)", a, a->reg);
151 break;
152
153 case D_OPT:
154 sprint(str, "OPT(%d)", a->reg);
155 break;
156
157 case D_FPSCR:
158 if(a->reg == NREG)
159 strcpy(str, "FPSCR");
160 else
161 sprint(str, "FPSCR(%d)", a->reg);
162 break;
163
164 case D_MSR:
165 sprint(str, "MSR");
166 break;
167
168 case D_BRANCH:
169 if(curp->cond != P) {
170 v = curp->cond->pc;
171 if(v >= INITTEXT)
172 v -= INITTEXT-HEADR;
173 if(a->sym != S)
174 sprint(str, "%s+%.5lux(BRANCH)", a->sym->name, v);
175 else
176 sprint(str, "%.5lux(BRANCH)", v);
177 } else
178 if(a->sym != S)
179 sprint(str, "%s+%lld(APC)", a->sym->name, a->offset);
180 else
181 sprint(str, "%lld(APC)", a->offset);
182 break;
183
184 case D_FCONST:
185 sprint(str, "$%lux-%lux", a->ieee.h, a->ieee.l);
186 break;
187
188 case D_SCONST:
189 sprint(str, "$\"%S\"", a->sval);
190 break;
191 }
192 return fmtstrcpy(fp, str);
193 }
194
195 int
Nconv(Fmt * fp)196 Nconv(Fmt *fp)
197 {
198 char str[STRINGSZ];
199 Adr *a;
200 Sym *s;
201 long l;
202
203 a = va_arg(fp->args, Adr*);
204 s = a->sym;
205 if(s == S) {
206 l = a->offset;
207 if((vlong)l != a->offset)
208 sprint(str, "0x%llux", a->offset);
209 else
210 sprint(str, "%lld", a->offset);
211 goto out;
212 }
213 switch(a->name) {
214 default:
215 sprint(str, "GOK-name(%d)", a->name);
216 break;
217
218 case D_EXTERN:
219 sprint(str, "%s+%lld(SB)", s->name, a->offset);
220 break;
221
222 case D_STATIC:
223 sprint(str, "%s<>+%lld(SB)", s->name, a->offset);
224 break;
225
226 case D_AUTO:
227 sprint(str, "%s-%lld(SP)", s->name, -a->offset);
228 break;
229
230 case D_PARAM:
231 sprint(str, "%s+%lld(FP)", s->name, a->offset);
232 break;
233 }
234 out:
235 return fmtstrcpy(fp, str);
236 }
237
238 int
Rconv(Fmt * fp)239 Rconv(Fmt *fp)
240 {
241 char *s;
242 int a;
243
244 a = va_arg(fp->args, int);
245 s = "C_??";
246 if(a >= C_NONE && a <= C_NCLASS)
247 s = cnames[a];
248 return fmtstrcpy(fp, s);
249 }
250
251 int
Sconv(Fmt * fp)252 Sconv(Fmt *fp)
253 {
254 int i, c;
255 char str[STRINGSZ], *p, *a;
256
257 a = va_arg(fp->args, char*);
258 p = str;
259 for(i=0; i<sizeof(long); i++) {
260 c = a[i] & 0xff;
261 if(c >= 'a' && c <= 'z' ||
262 c >= 'A' && c <= 'Z' ||
263 c >= '0' && c <= '9' ||
264 c == ' ' || c == '%') {
265 *p++ = c;
266 continue;
267 }
268 *p++ = '\\';
269 switch(c) {
270 case 0:
271 *p++ = 'z';
272 continue;
273 case '\\':
274 case '"':
275 *p++ = c;
276 continue;
277 case '\n':
278 *p++ = 'n';
279 continue;
280 case '\t':
281 *p++ = 't';
282 continue;
283 }
284 *p++ = (c>>6) + '0';
285 *p++ = ((c>>3) & 7) + '0';
286 *p++ = (c & 7) + '0';
287 }
288 *p = 0;
289 return fmtstrcpy(fp, str);
290 }
291
292 void
diag(char * fmt,...)293 diag(char *fmt, ...)
294 {
295 char buf[STRINGSZ], *tn;
296 va_list arg;
297
298 tn = "??none??";
299 if(curtext != P && curtext->from.sym != S)
300 tn = curtext->from.sym->name;
301 va_start(arg, fmt);
302 vseprint(buf, buf+sizeof(buf), fmt, arg);
303 va_end(arg);
304 print("%s: %s\n", tn, buf);
305
306 nerrors++;
307 if(nerrors > 10) {
308 print("too many errors\n");
309 errorexit();
310 }
311 }
312