Mercurial > hg > CbC > CbC_gcc
comparison libbacktrace/testlib.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | |
children | 84e7813d76e9 |
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68:561a7518be6b | 111:04ced10e8804 |
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1 /* testlib.c -- test functions for libbacktrace library | |
2 Copyright (C) 2012-2017 Free Software Foundation, Inc. | |
3 Written by Ian Lance Taylor, Google. | |
4 | |
5 Redistribution and use in source and binary forms, with or without | |
6 modification, are permitted provided that the following conditions are | |
7 met: | |
8 | |
9 (1) Redistributions of source code must retain the above copyright | |
10 notice, this list of conditions and the following disclaimer. | |
11 | |
12 (2) Redistributions in binary form must reproduce the above copyright | |
13 notice, this list of conditions and the following disclaimer in | |
14 the documentation and/or other materials provided with the | |
15 distribution. | |
16 | |
17 (3) The name of the author may not be used to | |
18 endorse or promote products derived from this software without | |
19 specific prior written permission. | |
20 | |
21 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
22 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
23 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
24 DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, | |
25 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
26 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
29 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
30 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
31 POSSIBILITY OF SUCH DAMAGE. */ | |
32 | |
33 #include <assert.h> | |
34 #include <stdio.h> | |
35 #include <stdlib.h> | |
36 #include <string.h> | |
37 | |
38 #include "filenames.h" | |
39 | |
40 #include "backtrace.h" | |
41 | |
42 #include "testlib.h" | |
43 | |
44 /* The backtrace state. */ | |
45 | |
46 void *state; | |
47 | |
48 /* The number of failures. */ | |
49 | |
50 int failures; | |
51 | |
52 /* Return the base name in a path. */ | |
53 | |
54 const char * | |
55 base (const char *p) | |
56 { | |
57 const char *last; | |
58 const char *s; | |
59 | |
60 last = NULL; | |
61 for (s = p; *s != '\0'; ++s) | |
62 { | |
63 if (IS_DIR_SEPARATOR (*s)) | |
64 last = s + 1; | |
65 } | |
66 return last != NULL ? last : p; | |
67 } | |
68 | |
69 /* Check an entry in a struct info array. */ | |
70 | |
71 void | |
72 check (const char *name, int index, const struct info *all, int want_lineno, | |
73 const char *want_function, const char *want_file, int *failed) | |
74 { | |
75 if (*failed) | |
76 return; | |
77 if (all[index].filename == NULL || all[index].function == NULL) | |
78 { | |
79 fprintf (stderr, "%s: [%d]: missing file name or function name\n", | |
80 name, index); | |
81 *failed = 1; | |
82 return; | |
83 } | |
84 if (strcmp (base (all[index].filename), want_file) != 0) | |
85 { | |
86 fprintf (stderr, "%s: [%d]: got %s expected %s\n", name, index, | |
87 all[index].filename, want_file); | |
88 *failed = 1; | |
89 } | |
90 if (all[index].lineno != want_lineno) | |
91 { | |
92 fprintf (stderr, "%s: [%d]: got %d expected %d\n", name, index, | |
93 all[index].lineno, want_lineno); | |
94 *failed = 1; | |
95 } | |
96 if (strcmp (all[index].function, want_function) != 0) | |
97 { | |
98 fprintf (stderr, "%s: [%d]: got %s expected %s\n", name, index, | |
99 all[index].function, want_function); | |
100 *failed = 1; | |
101 } | |
102 } | |
103 | |
104 /* The backtrace callback function. */ | |
105 | |
106 int | |
107 callback_one (void *vdata, uintptr_t pc ATTRIBUTE_UNUSED, | |
108 const char *filename, int lineno, const char *function) | |
109 { | |
110 struct bdata *data = (struct bdata *) vdata; | |
111 struct info *p; | |
112 | |
113 if (data->index >= data->max) | |
114 { | |
115 fprintf (stderr, "callback_one: callback called too many times\n"); | |
116 data->failed = 1; | |
117 return 1; | |
118 } | |
119 | |
120 p = &data->all[data->index]; | |
121 if (filename == NULL) | |
122 p->filename = NULL; | |
123 else | |
124 { | |
125 p->filename = strdup (filename); | |
126 assert (p->filename != NULL); | |
127 } | |
128 p->lineno = lineno; | |
129 if (function == NULL) | |
130 p->function = NULL; | |
131 else | |
132 { | |
133 p->function = strdup (function); | |
134 assert (p->function != NULL); | |
135 } | |
136 ++data->index; | |
137 | |
138 return 0; | |
139 } | |
140 | |
141 /* An error callback passed to backtrace. */ | |
142 | |
143 void | |
144 error_callback_one (void *vdata, const char *msg, int errnum) | |
145 { | |
146 struct bdata *data = (struct bdata *) vdata; | |
147 | |
148 fprintf (stderr, "%s", msg); | |
149 if (errnum > 0) | |
150 fprintf (stderr, ": %s", strerror (errnum)); | |
151 fprintf (stderr, "\n"); | |
152 data->failed = 1; | |
153 } | |
154 | |
155 /* The backtrace_simple callback function. */ | |
156 | |
157 int | |
158 callback_two (void *vdata, uintptr_t pc) | |
159 { | |
160 struct sdata *data = (struct sdata *) vdata; | |
161 | |
162 if (data->index >= data->max) | |
163 { | |
164 fprintf (stderr, "callback_two: callback called too many times\n"); | |
165 data->failed = 1; | |
166 return 1; | |
167 } | |
168 | |
169 data->addrs[data->index] = pc; | |
170 ++data->index; | |
171 | |
172 return 0; | |
173 } | |
174 | |
175 /* An error callback passed to backtrace_simple. */ | |
176 | |
177 void | |
178 error_callback_two (void *vdata, const char *msg, int errnum) | |
179 { | |
180 struct sdata *data = (struct sdata *) vdata; | |
181 | |
182 fprintf (stderr, "%s", msg); | |
183 if (errnum > 0) | |
184 fprintf (stderr, ": %s", strerror (errnum)); | |
185 fprintf (stderr, "\n"); | |
186 data->failed = 1; | |
187 } | |
188 | |
189 /* The backtrace_syminfo callback function. */ | |
190 | |
191 void | |
192 callback_three (void *vdata, uintptr_t pc ATTRIBUTE_UNUSED, | |
193 const char *symname, uintptr_t symval, | |
194 uintptr_t symsize) | |
195 { | |
196 struct symdata *data = (struct symdata *) vdata; | |
197 | |
198 if (symname == NULL) | |
199 data->name = NULL; | |
200 else | |
201 { | |
202 data->name = strdup (symname); | |
203 assert (data->name != NULL); | |
204 } | |
205 data->val = symval; | |
206 data->size = symsize; | |
207 } | |
208 | |
209 /* The backtrace_syminfo error callback function. */ | |
210 | |
211 void | |
212 error_callback_three (void *vdata, const char *msg, int errnum) | |
213 { | |
214 struct symdata *data = (struct symdata *) vdata; | |
215 | |
216 fprintf (stderr, "%s", msg); | |
217 if (errnum > 0) | |
218 fprintf (stderr, ": %s", strerror (errnum)); | |
219 fprintf (stderr, "\n"); | |
220 data->failed = 1; | |
221 } | |
222 | |
223 /* The backtrace_create_state error callback function. */ | |
224 | |
225 void | |
226 error_callback_create (void *data ATTRIBUTE_UNUSED, const char *msg, | |
227 int errnum) | |
228 { | |
229 fprintf (stderr, "%s", msg); | |
230 if (errnum > 0) | |
231 fprintf (stderr, ": %s", strerror (errnum)); | |
232 fprintf (stderr, "\n"); | |
233 exit (EXIT_FAILURE); | |
234 } |