1 |
|
|
/* $OpenBSD: targ.c,v 1.78 2017/06/22 17:08:20 espie Exp $ */ |
2 |
|
|
/* $NetBSD: targ.c,v 1.11 1997/02/20 16:51:50 christos Exp $ */ |
3 |
|
|
|
4 |
|
|
/* |
5 |
|
|
* Copyright (c) 1999 Marc Espie. |
6 |
|
|
* |
7 |
|
|
* Extensive code changes for the OpenBSD project. |
8 |
|
|
* |
9 |
|
|
* Redistribution and use in source and binary forms, with or without |
10 |
|
|
* modification, are permitted provided that the following conditions |
11 |
|
|
* are met: |
12 |
|
|
* 1. Redistributions of source code must retain the above copyright |
13 |
|
|
* notice, this list of conditions and the following disclaimer. |
14 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
15 |
|
|
* notice, this list of conditions and the following disclaimer in the |
16 |
|
|
* documentation and/or other materials provided with the distribution. |
17 |
|
|
* |
18 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE OPENBSD PROJECT AND CONTRIBUTORS |
19 |
|
|
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 |
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
21 |
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OPENBSD |
22 |
|
|
* PROJECT OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 |
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 |
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 |
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 |
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 |
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 |
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 |
|
|
*/ |
30 |
|
|
/* |
31 |
|
|
* Copyright (c) 1988, 1989, 1990, 1993 |
32 |
|
|
* The Regents of the University of California. All rights reserved. |
33 |
|
|
* Copyright (c) 1989 by Berkeley Softworks |
34 |
|
|
* All rights reserved. |
35 |
|
|
* |
36 |
|
|
* This code is derived from software contributed to Berkeley by |
37 |
|
|
* Adam de Boor. |
38 |
|
|
* |
39 |
|
|
* Redistribution and use in source and binary forms, with or without |
40 |
|
|
* modification, are permitted provided that the following conditions |
41 |
|
|
* are met: |
42 |
|
|
* 1. Redistributions of source code must retain the above copyright |
43 |
|
|
* notice, this list of conditions and the following disclaimer. |
44 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
45 |
|
|
* notice, this list of conditions and the following disclaimer in the |
46 |
|
|
* documentation and/or other materials provided with the distribution. |
47 |
|
|
* 3. Neither the name of the University nor the names of its contributors |
48 |
|
|
* may be used to endorse or promote products derived from this software |
49 |
|
|
* without specific prior written permission. |
50 |
|
|
* |
51 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
52 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
53 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
54 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
55 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
56 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
57 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
58 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
59 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
60 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
61 |
|
|
* SUCH DAMAGE. |
62 |
|
|
*/ |
63 |
|
|
|
64 |
|
|
/*- |
65 |
|
|
* targ.c -- |
66 |
|
|
* Target nodes are kept into a hash table. |
67 |
|
|
* |
68 |
|
|
* Interface: |
69 |
|
|
* Targ_Init Initialization procedure. |
70 |
|
|
* |
71 |
|
|
* Targ_NewGN Create a new GNode for the passed target |
72 |
|
|
* (string). The node is *not* placed in the |
73 |
|
|
* hash table, though all its fields are |
74 |
|
|
* initialized. |
75 |
|
|
* |
76 |
|
|
* Targ_FindNode Find the node for a given target, creating |
77 |
|
|
* and storing it if it doesn't exist and the |
78 |
|
|
* flags are right (TARG_CREATE) |
79 |
|
|
* |
80 |
|
|
* Targ_FindList Given a list of names, find nodes for all |
81 |
|
|
* of them, creating nodes if needed. |
82 |
|
|
* |
83 |
|
|
* Targ_Ignore Return true if errors should be ignored when |
84 |
|
|
* creating the given target. |
85 |
|
|
* |
86 |
|
|
* Targ_Silent Return true if we should be silent when |
87 |
|
|
* creating the given target. |
88 |
|
|
* |
89 |
|
|
* Targ_Precious Return true if the target is precious and |
90 |
|
|
* should not be removed if we are interrupted. |
91 |
|
|
* |
92 |
|
|
* Debugging: |
93 |
|
|
* Targ_PrintGraph Print out the entire graphm all variables |
94 |
|
|
* and statistics for the directory cache. Should |
95 |
|
|
* print something for suffixes, too, but... |
96 |
|
|
*/ |
97 |
|
|
|
98 |
|
|
#include <limits.h> |
99 |
|
|
#include <stddef.h> |
100 |
|
|
#include <stdint.h> |
101 |
|
|
#include <stdio.h> |
102 |
|
|
#include <stdlib.h> |
103 |
|
|
#include <string.h> |
104 |
|
|
#include <ohash.h> |
105 |
|
|
#include "config.h" |
106 |
|
|
#include "defines.h" |
107 |
|
|
#include "stats.h" |
108 |
|
|
#include "suff.h" |
109 |
|
|
#include "var.h" |
110 |
|
|
#include "targ.h" |
111 |
|
|
#include "memory.h" |
112 |
|
|
#include "gnode.h" |
113 |
|
|
#include "extern.h" |
114 |
|
|
#include "timestamp.h" |
115 |
|
|
#include "lst.h" |
116 |
|
|
#include "node_int.h" |
117 |
|
|
#include "nodehashconsts.h" |
118 |
|
|
#include "dump.h" |
119 |
|
|
|
120 |
|
|
static struct ohash targets; /* hash table of targets */ |
121 |
|
|
struct ohash_info gnode_info = { |
122 |
|
|
offsetof(GNode, name), NULL, hash_calloc, hash_free, element_alloc |
123 |
|
|
}; |
124 |
|
|
|
125 |
|
|
#define Targ_FindConstantNode(n, f) Targ_FindNodeh(n, sizeof(n), K_##n, f) |
126 |
|
|
|
127 |
|
|
|
128 |
|
|
GNode *begin_node, *end_node, *interrupt_node, *DEFAULT; |
129 |
|
|
|
130 |
|
|
void |
131 |
|
|
Targ_Init(void) |
132 |
|
|
{ |
133 |
|
|
/* A small make file already creates 200 targets. */ |
134 |
|
68248 |
ohash_init(&targets, 10, &gnode_info); |
135 |
|
34124 |
begin_node = Targ_FindConstantNode(NODE_BEGIN, TARG_CREATE); |
136 |
|
34124 |
begin_node->type |= OP_DUMMY | OP_NOTMAIN | OP_NODEFAULT; |
137 |
|
34124 |
end_node = Targ_FindConstantNode(NODE_END, TARG_CREATE); |
138 |
|
34124 |
end_node->type |= OP_DUMMY | OP_NOTMAIN | OP_NODEFAULT; |
139 |
|
34124 |
interrupt_node = Targ_FindConstantNode(NODE_INTERRUPT, TARG_CREATE); |
140 |
|
34124 |
interrupt_node->type |= OP_DUMMY | OP_NOTMAIN | OP_NODEFAULT; |
141 |
|
34124 |
DEFAULT = Targ_FindConstantNode(NODE_DEFAULT, TARG_CREATE); |
142 |
|
34124 |
DEFAULT->type |= OP_DUMMY | OP_NOTMAIN| OP_TRANSFORM | OP_NODEFAULT; |
143 |
|
|
|
144 |
|
34124 |
} |
145 |
|
|
|
146 |
|
|
GNode * |
147 |
|
|
Targ_NewGNi(const char *name, const char *ename) |
148 |
|
|
{ |
149 |
|
|
GNode *gn; |
150 |
|
|
|
151 |
|
10784717 |
gn = ohash_create_entry(&gnode_info, name, &ename); |
152 |
|
10784717 |
gn->path = NULL; |
153 |
|
10784717 |
gn->type = 0; |
154 |
|
10784717 |
gn->special = SPECIAL_NONE; |
155 |
|
10784717 |
gn->unmade = 0; |
156 |
|
10784717 |
gn->must_make = false; |
157 |
|
10784717 |
gn->built_status = UNKNOWN; |
158 |
|
10784717 |
gn->in_cycle = false; |
159 |
|
10784717 |
gn->childMade = false; |
160 |
|
10784717 |
gn->order = 0; |
161 |
|
10784717 |
ts_set_out_of_date(gn->mtime); |
162 |
|
10784717 |
gn->youngest = gn; |
163 |
|
10784717 |
Lst_Init(&gn->cohorts); |
164 |
|
10784717 |
Lst_Init(&gn->parents); |
165 |
|
10784717 |
Lst_Init(&gn->children); |
166 |
|
10784717 |
Lst_Init(&gn->successors); |
167 |
|
10784717 |
Lst_Init(&gn->preds); |
168 |
|
10784717 |
SymTable_Init(&gn->context); |
169 |
|
10784717 |
gn->impliedsrc = NULL; |
170 |
|
10784717 |
Lst_Init(&gn->commands); |
171 |
|
10784717 |
gn->suffix = NULL; |
172 |
|
10784717 |
gn->next = NULL; |
173 |
|
10784717 |
gn->basename = NULL; |
174 |
|
10784717 |
gn->sibling = gn; |
175 |
|
10784717 |
gn->groupling = NULL; |
176 |
|
|
|
177 |
|
|
#ifdef STATS_GN_CREATION |
178 |
|
|
STAT_GN_COUNT++; |
179 |
|
|
#endif |
180 |
|
|
|
181 |
|
10784717 |
return gn; |
182 |
|
|
} |
183 |
|
|
|
184 |
|
|
GNode * |
185 |
|
|
Targ_FindNodei(const char *name, const char *ename, int flags) |
186 |
|
|
{ |
187 |
|
|
uint32_t hv; |
188 |
|
|
|
189 |
|
28772873 |
hv = ohash_interval(name, &ename); |
190 |
|
28772873 |
return Targ_FindNodeih(name, ename, hv, flags); |
191 |
|
|
} |
192 |
|
|
|
193 |
|
|
GNode * |
194 |
|
|
Targ_FindNodeih(const char *name, const char *ename, uint32_t hv, int flags) |
195 |
|
|
{ |
196 |
|
|
GNode *gn; |
197 |
|
|
unsigned int slot; |
198 |
|
|
|
199 |
|
59934426 |
slot = ohash_lookup_interval(&targets, name, ename, hv); |
200 |
|
|
|
201 |
|
29967213 |
gn = ohash_find(&targets, slot); |
202 |
|
|
|
203 |
✓✓✓✓
|
44847471 |
if (gn == NULL && (flags & TARG_CREATE)) { |
204 |
|
9322890 |
gn = Targ_NewGNi(name, ename); |
205 |
|
9322890 |
ohash_insert(&targets, slot, gn); |
206 |
|
9322890 |
} |
207 |
|
|
|
208 |
|
29967213 |
return gn; |
209 |
|
|
} |
210 |
|
|
|
211 |
|
|
void |
212 |
|
|
Targ_FindList(Lst nodes, Lst names) |
213 |
|
|
{ |
214 |
|
|
LstNode ln; |
215 |
|
|
GNode *gn; |
216 |
|
|
char *name; |
217 |
|
|
|
218 |
✓✓ |
170155 |
for (ln = Lst_First(names); ln != NULL; ln = Lst_Adv(ln)) { |
219 |
|
34046 |
name = Lst_Datum(ln); |
220 |
|
34046 |
gn = Targ_FindNode(name, TARG_CREATE); |
221 |
|
|
/* Note: Lst_AtEnd must come before the Lst_Concat so the nodes |
222 |
|
|
* are added to the list in the order in which they were |
223 |
|
|
* encountered in the makefile. */ |
224 |
|
34046 |
Lst_AtEnd(nodes, gn); |
225 |
✓✓ |
34046 |
if (gn->type & OP_DOUBLEDEP) |
226 |
|
38 |
Lst_Concat(nodes, &gn->cohorts); |
227 |
|
|
} |
228 |
|
34021 |
} |
229 |
|
|
|
230 |
|
|
bool |
231 |
|
|
Targ_Ignore(GNode *gn) |
232 |
|
|
{ |
233 |
✓✗✗✓
|
370251 |
if (ignoreErrors || gn->type & OP_IGNORE) |
234 |
|
|
return true; |
235 |
|
|
else |
236 |
|
123417 |
return false; |
237 |
|
123417 |
} |
238 |
|
|
|
239 |
|
|
bool |
240 |
|
|
Targ_Silent(GNode *gn) |
241 |
|
|
{ |
242 |
✓✗✓✓
|
370251 |
if (beSilent || gn->type & OP_SILENT) |
243 |
|
3967 |
return true; |
244 |
|
|
else |
245 |
|
119450 |
return false; |
246 |
|
123417 |
} |
247 |
|
|
|
248 |
|
|
bool |
249 |
|
|
Targ_Precious(GNode *gn) |
250 |
|
|
{ |
251 |
|
|
if (allPrecious || (gn->type & (OP_PRECIOUS|OP_DOUBLEDEP|OP_PHONY))) |
252 |
|
|
return true; |
253 |
|
|
else |
254 |
|
|
return false; |
255 |
|
|
} |
256 |
|
|
|
257 |
|
|
void |
258 |
|
|
Targ_PrintCmd(void *p) |
259 |
|
|
{ |
260 |
|
|
const struct command *cmd = p; |
261 |
|
|
printf("\t%s\n", cmd->string); |
262 |
|
|
} |
263 |
|
|
|
264 |
|
|
void |
265 |
|
|
Targ_PrintType(int type) |
266 |
|
|
{ |
267 |
|
|
int tbit; |
268 |
|
|
|
269 |
|
|
#define PRINTBIT(attr) case CONCAT(OP_,attr): printf("." #attr " "); break |
270 |
|
|
#define PRINTDBIT(attr) case CONCAT(OP_,attr): if (DEBUG(TARG)) printf("." #attr " "); break |
271 |
|
|
|
272 |
|
|
type &= ~OP_OPMASK; |
273 |
|
|
|
274 |
|
|
while (type) { |
275 |
|
|
tbit = 1 << (ffs(type) - 1); |
276 |
|
|
type &= ~tbit; |
277 |
|
|
|
278 |
|
|
switch (tbit) { |
279 |
|
|
PRINTBIT(OPTIONAL); |
280 |
|
|
PRINTBIT(USE); |
281 |
|
|
PRINTBIT(EXEC); |
282 |
|
|
PRINTBIT(IGNORE); |
283 |
|
|
PRINTBIT(PRECIOUS); |
284 |
|
|
PRINTBIT(SILENT); |
285 |
|
|
PRINTBIT(MAKE); |
286 |
|
|
PRINTBIT(JOIN); |
287 |
|
|
PRINTBIT(INVISIBLE); |
288 |
|
|
PRINTBIT(NOTMAIN); |
289 |
|
|
/*XXX: MEMBER is defined, so CONCAT(OP_,MEMBER) gives OP_"%" */ |
290 |
|
|
case OP_MEMBER: |
291 |
|
|
if (DEBUG(TARG)) |
292 |
|
|
printf(".MEMBER "); |
293 |
|
|
break; |
294 |
|
|
PRINTDBIT(ARCHV); |
295 |
|
|
} |
296 |
|
|
} |
297 |
|
|
} |
298 |
|
|
|
299 |
|
|
const char * |
300 |
|
|
status_to_string(GNode *gn) |
301 |
|
|
{ |
302 |
|
|
switch (gn->built_status) { |
303 |
|
|
case UNKNOWN: |
304 |
|
|
return "unknown"; |
305 |
|
|
case MADE: |
306 |
|
|
return "made"; |
307 |
|
|
case UPTODATE: |
308 |
|
|
return "up-to-date"; |
309 |
|
|
case ERROR: |
310 |
|
|
return "error when made"; |
311 |
|
|
case ABORTED: |
312 |
|
|
return "aborted"; |
313 |
|
|
default: |
314 |
|
|
return "other status"; |
315 |
|
|
} |
316 |
|
|
} |
317 |
|
|
|
318 |
|
|
struct ohash * |
319 |
|
|
targets_hash() |
320 |
|
|
{ |
321 |
|
68136 |
return &targets; |
322 |
|
|
} |
323 |
|
|
|
324 |
|
|
GNode * |
325 |
|
|
Targ_FindNodeh(const char *name, size_t n, uint32_t hv, int flags) |
326 |
|
|
{ |
327 |
|
272992 |
return Targ_FindNodeih(name, name + n - 1, hv, flags); |
328 |
|
|
} |