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
|
/*
* Keeps track of source files.
*/
#include "gprof.h"
#include "libiberty.h"
#include "search_list.h"
#include "source.h"
#define EXT_ANNO "-ann" /* postfix of annotated files */
/*
* Default option values:
*/
bool create_annotation_files = FALSE;
Search_List src_search_list =
{0, 0};
Source_File *first_src_file = 0;
Source_File *
DEFUN (source_file_lookup_path, (path), const char *path)
{
Source_File *sf;
for (sf = first_src_file; sf; sf = sf->next)
{
if (strcmp (path, sf->name) == 0)
{
break;
}
}
if (!sf)
{
/* create a new source file descriptor: */
sf = (Source_File *) xmalloc (sizeof (*sf));
memset (sf, 0, sizeof (*sf));
sf->name = xstrdup (path);
sf->next = first_src_file;
first_src_file = sf;
}
return sf;
}
Source_File *
DEFUN (source_file_lookup_name, (filename), const char *filename)
{
const char *fname;
Source_File *sf;
/*
* The user cannot know exactly how a filename will be stored in
* the debugging info (e.g., ../include/foo.h
* vs. /usr/include/foo.h). So we simply compare the filename
* component of a path only:
*/
for (sf = first_src_file; sf; sf = sf->next)
{
fname = strrchr (sf->name, '/');
if (fname)
{
++fname;
}
else
{
fname = sf->name;
}
if (strcmp (filename, fname) == 0)
{
break;
}
}
return sf;
}
FILE *
DEFUN (annotate_source, (sf, max_width, annote, arg),
Source_File * sf AND int max_width
AND void (*annote) PARAMS ((char *buf, int w, int l, void *arg))
AND void *arg)
{
static bool first_file = TRUE;
int i, line_num, nread;
bool new_line;
char buf[8192];
char fname[PATH_MAX];
char *annotation, *name_only;
FILE *ifp, *ofp;
Search_List_Elem *sle = src_search_list.head;
/*
* Open input file. If open fails, walk along search-list until
* open succeeds or reaching end of list:
*/
strcpy (fname, sf->name);
if (sf->name[0] == '/')
{
sle = 0; /* don't use search list for absolute paths */
}
name_only = 0;
while (TRUE)
{
DBG (SRCDEBUG, printf ("[annotate_source]: looking for %s, trying %s\n",
sf->name, fname));
ifp = fopen (fname, FOPEN_RB);
if (ifp)
{
break;
}
if (!sle && !name_only)
{
name_only = strrchr (sf->name, '/');
if (name_only)
{
/* try search-list again, but this time with name only: */
++name_only;
sle = src_search_list.head;
}
}
if (sle)
{
strcpy (fname, sle->path);
strcat (fname, "/");
if (name_only)
{
strcat (fname, name_only);
}
else
{
strcat (fname, sf->name);
}
sle = sle->next;
}
else
{
if (errno == ENOENT)
{
fprintf (stderr, "%s: could not locate `%s'\n",
whoami, sf->name);
}
else
{
perror (sf->name);
}
return 0;
}
}
ofp = stdout;
if (create_annotation_files)
{
/* try to create annotated source file: */
const char *filename;
/* create annotation files in the current working directory: */
filename = strrchr (sf->name, '/');
if (filename)
{
++filename;
}
else
{
filename = sf->name;
}
strcpy (fname, filename);
strcat (fname, EXT_ANNO);
ofp = fopen (fname, "w");
if (!ofp)
{
perror (fname);
return 0;
}
}
/*
* Print file names if output goes to stdout and there are
* more than one source file:
*/
if (ofp == stdout)
{
if (first_file)
{
first_file = FALSE;
}
else
{
fputc ('\n', ofp);
}
if (first_output)
{
first_output = FALSE;
}
else
{
fprintf (ofp, "\f\n");
}
fprintf (ofp, "*** File %s:\n", sf->name);
}
annotation = xmalloc (max_width + 1);
line_num = 1;
new_line = TRUE;
while ((nread = fread (buf, 1, sizeof (buf), ifp)) > 0)
{
for (i = 0; i < nread; ++i)
{
if (new_line)
{
(*annote) (annotation, max_width, line_num, arg);
fputs (annotation, ofp);
++line_num;
new_line = FALSE;
}
new_line = (buf[i] == '\n');
fputc (buf[i], ofp);
}
}
free (annotation);
return ofp;
}
|
