summaryrefslogtreecommitdiffstats
path: root/recipes-devtools/gcc/gcc-4.5/gcc-ice-hack.dpatch
diff options
context:
space:
mode:
Diffstat (limited to 'recipes-devtools/gcc/gcc-4.5/gcc-ice-hack.dpatch')
-rw-r--r--recipes-devtools/gcc/gcc-4.5/gcc-ice-hack.dpatch331
1 files changed, 331 insertions, 0 deletions
diff --git a/recipes-devtools/gcc/gcc-4.5/gcc-ice-hack.dpatch b/recipes-devtools/gcc/gcc-4.5/gcc-ice-hack.dpatch
new file mode 100644
index 0000000000..84c5ef2ebd
--- /dev/null
+++ b/recipes-devtools/gcc/gcc-4.5/gcc-ice-hack.dpatch
@@ -0,0 +1,331 @@
1#! /bin/sh -e
2
3# DP: Retry the build on an ice, save the calling options and preprocessed
4# DP: source when the ice is reproducible.
5
6dir=
7if [ $# -eq 3 -a "$2" = '-d' ]; then
8 pdir="-d $3"
9 dir="$3/"
10elif [ $# -ne 1 ]; then
11 echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
12 exit 1
13fi
14case "$1" in
15 -patch)
16 patch $pdir -f --no-backup-if-mismatch -p0 < $0
17 ;;
18 -unpatch)
19 patch $pdir -f --no-backup-if-mismatch -R -p0 < $0
20 ;;
21 *)
22 echo >&2 "`basename $0`: script expects -patch|-unpatch as argument"
23 exit 1
24esac
25exit 0
26
272004-01-23 Jakub Jelinek <jakub@redhat.com>
28
29 * system.h (ICE_EXIT_CODE): Define.
30 * gcc.c (execute): Don't free first string early, but at the end
31 of the function. Call retry_ice if compiler exited with
32 ICE_EXIT_CODE.
33 (retry_ice): New function.
34 * diagnostic.c (diagnostic_count_diagnostic,
35 diagnostic_action_after_output, error_recursion): Exit with
36 ICE_EXIT_CODE instead of FATAL_EXIT_CODE.
37
38--- gcc/diagnostic.c.orig 2007-09-30 10:48:13.000000000 +0000
39+++ gcc/diagnostic.c 2007-09-30 10:49:57.000000000 +0000
40@@ -244,7 +244,7 @@
41 fnotice (stderr, "Please submit a full bug report,\n"
42 "with preprocessed source if appropriate.\n"
43 "See %s for instructions.\n", bug_report_url);
44- exit (ICE_EXIT_CODE);
45+ exit (FATAL_EXIT_CODE);
46
47 case DK_FATAL:
48 if (context->abort_on_error)
49--- gcc/gcc.c.orig 2007-09-30 10:48:13.000000000 +0000
50+++ gcc/gcc.c 2007-09-30 10:48:39.000000000 +0000
51@@ -357,6 +357,9 @@
52 #if defined(HAVE_TARGET_OBJECT_SUFFIX) || defined(HAVE_TARGET_EXECUTABLE_SUFFIX)
53 static const char *convert_filename (const char *, int, int);
54 #endif
55+#if !(defined (__MSDOS__) || defined (OS2) || defined (VMS))
56+static void retry_ice (const char *prog, const char **argv);
57+#endif
58
59 static const char *getenv_spec_function (int, const char **);
60 static const char *if_exists_spec_function (int, const char **);
61@@ -2999,7 +3002,7 @@
62 }
63 }
64
65- if (string != commands[i].prog)
66+ if (i && string != commands[i].prog)
67 free (CONST_CAST (char *, string));
68 }
69
70@@ -3056,6 +3059,16 @@
71 else if (WIFEXITED (status)
72 && WEXITSTATUS (status) >= MIN_FATAL_STATUS)
73 {
74+#if !(defined (__MSDOS__) || defined (OS2) || defined (VMS))
75+ /* For ICEs in cc1, cc1obj, cc1plus see if it is
76+ reproducible or not. */
77+ char *p;
78+ if (WEXITSTATUS (status) == ICE_EXIT_CODE
79+ && i == 0
80+ && (p = strrchr (commands[0].argv[0], DIR_SEPARATOR))
81+ && ! strncmp (p + 1, "cc1", 3))
82+ retry_ice (commands[0].prog, commands[0].argv);
83+#endif
84 if (WEXITSTATUS (status) > greatest_status)
85 greatest_status = WEXITSTATUS (status);
86 ret_code = -1;
87@@ -3076,6 +3089,9 @@
88 }
89 }
90
91+ if (commands[0].argv[0] != commands[0].prog)
92+ free ((PTR) commands[0].argv[0]);
93+
94 return ret_code;
95 }
96 }
97@@ -6016,6 +6032,224 @@
98 switches[switchnum].validated = 1;
99 }
100
101+#if !(defined (__MSDOS__) || defined (OS2) || defined (VMS))
102+#define RETRY_ICE_ATTEMPTS 2
103+
104+static void
105+retry_ice (const char *prog, const char **argv)
106+{
107+ int nargs, out_arg = -1, quiet = 0, attempt;
108+ int pid, retries, sleep_interval;
109+ const char **new_argv;
110+ char *temp_filenames[RETRY_ICE_ATTEMPTS * 2 + 2];
111+
112+ if (input_filename == NULL || ! strcmp (input_filename, "-"))
113+ return;
114+
115+ for (nargs = 0; argv[nargs] != NULL; ++nargs)
116+ /* Only retry compiler ICEs, not preprocessor ones. */
117+ if (! strcmp (argv[nargs], "-E"))
118+ return;
119+ else if (argv[nargs][0] == '-' && argv[nargs][1] == 'o')
120+ {
121+ if (out_arg == -1)
122+ out_arg = nargs;
123+ else
124+ return;
125+ }
126+ /* If the compiler is going to output any time information,
127+ it might vary between invocations. */
128+ else if (! strcmp (argv[nargs], "-quiet"))
129+ quiet = 1;
130+ else if (! strcmp (argv[nargs], "-ftime-report"))
131+ return;
132+
133+ if (out_arg == -1 || !quiet)
134+ return;
135+
136+ memset (temp_filenames, '\0', sizeof (temp_filenames));
137+ new_argv = alloca ((nargs + 3) * sizeof (const char *));
138+ memcpy (new_argv, argv, (nargs + 1) * sizeof (const char *));
139+ new_argv[nargs++] = "-frandom-seed=0";
140+ new_argv[nargs] = NULL;
141+ if (new_argv[out_arg][2] == '\0')
142+ new_argv[out_arg + 1] = "-";
143+ else
144+ new_argv[out_arg] = "-o-";
145+
146+ for (attempt = 0; attempt < RETRY_ICE_ATTEMPTS + 1; ++attempt)
147+ {
148+ int fd = -1;
149+ int status;
150+
151+ temp_filenames[attempt * 2] = make_temp_file (".out");
152+ temp_filenames[attempt * 2 + 1] = make_temp_file (".err");
153+
154+ if (attempt == RETRY_ICE_ATTEMPTS)
155+ {
156+ int i;
157+ int fd1, fd2;
158+ struct stat st1, st2;
159+ size_t n, len;
160+ char *buf;
161+
162+ buf = xmalloc (8192);
163+
164+ for (i = 0; i < 2; ++i)
165+ {
166+ fd1 = open (temp_filenames[i], O_RDONLY);
167+ fd2 = open (temp_filenames[2 + i], O_RDONLY);
168+
169+ if (fd1 < 0 || fd2 < 0)
170+ {
171+ i = -1;
172+ close (fd1);
173+ close (fd2);
174+ break;
175+ }
176+
177+ if (fstat (fd1, &st1) < 0 || fstat (fd2, &st2) < 0)
178+ {
179+ i = -1;
180+ close (fd1);
181+ close (fd2);
182+ break;
183+ }
184+
185+ if (st1.st_size != st2.st_size)
186+ {
187+ close (fd1);
188+ close (fd2);
189+ break;
190+ }
191+
192+ len = 0;
193+ for (n = st1.st_size; n; n -= len)
194+ {
195+ len = n;
196+ if (len > 4096)
197+ len = 4096;
198+
199+ if (read (fd1, buf, len) != (int) len
200+ || read (fd2, buf + 4096, len) != (int) len)
201+ {
202+ i = -1;
203+ break;
204+ }
205+
206+ if (memcmp (buf, buf + 4096, len) != 0)
207+ break;
208+ }
209+
210+ close (fd1);
211+ close (fd2);
212+
213+ if (n)
214+ break;
215+ }
216+
217+ free (buf);
218+ if (i == -1)
219+ break;
220+
221+ if (i != 2)
222+ {
223+ notice ("The bug is not reproducible, so it is likely a hardware or OS problem.\n");
224+ break;
225+ }
226+
227+ fd = open (temp_filenames[attempt * 2], O_RDWR);
228+ if (fd < 0)
229+ break;
230+ write (fd, "//", 2);
231+ for (i = 0; i < nargs; i++)
232+ {
233+ write (fd, " ", 1);
234+ write (fd, new_argv[i], strlen (new_argv[i]));
235+ }
236+ write (fd, "\n", 1);
237+ new_argv[nargs] = "-E";
238+ new_argv[nargs + 1] = NULL;
239+ }
240+
241+ /* Fork a subprocess; wait and retry if it fails. */
242+ sleep_interval = 1;
243+ pid = -1;
244+ for (retries = 0; retries < 4; retries++)
245+ {
246+ pid = fork ();
247+ if (pid >= 0)
248+ break;
249+ sleep (sleep_interval);
250+ sleep_interval *= 2;
251+ }
252+
253+ if (pid < 0)
254+ break;
255+ else if (pid == 0)
256+ {
257+ if (attempt != RETRY_ICE_ATTEMPTS)
258+ fd = open (temp_filenames[attempt * 2], O_RDWR);
259+ if (fd < 0)
260+ exit (-1);
261+ if (fd != 1)
262+ {
263+ close (1);
264+ dup (fd);
265+ close (fd);
266+ }
267+
268+ fd = open (temp_filenames[attempt * 2 + 1], O_RDWR);
269+ if (fd < 0)
270+ exit (-1);
271+ if (fd != 2)
272+ {
273+ close (2);
274+ dup (fd);
275+ close (fd);
276+ }
277+
278+ if (prog == new_argv[0])
279+ execvp (prog, (char *const *) new_argv);
280+ else
281+ execv (new_argv[0], (char *const *) new_argv);
282+ exit (-1);
283+ }
284+
285+ if (waitpid (pid, &status, 0) < 0)
286+ break;
287+
288+ if (attempt < RETRY_ICE_ATTEMPTS
289+ && (! WIFEXITED (status) || WEXITSTATUS (status) != ICE_EXIT_CODE))
290+ {
291+ notice ("The bug is not reproducible, so it is likely a hardware or OS problem.\n");
292+ break;
293+ }
294+ else if (attempt == RETRY_ICE_ATTEMPTS)
295+ {
296+ close (fd);
297+ if (WIFEXITED (status)
298+ && WEXITSTATUS (status) == SUCCESS_EXIT_CODE)
299+ {
300+ notice ("Preprocessed source stored into %s file, please attach this to your bugreport.\n",
301+ temp_filenames[attempt * 2]);
302+ /* Make sure it is not deleted. */
303+ free (temp_filenames[attempt * 2]);
304+ temp_filenames[attempt * 2] = NULL;
305+ break;
306+ }
307+ }
308+ }
309+
310+ for (attempt = 0; attempt < RETRY_ICE_ATTEMPTS * 2 + 2; attempt++)
311+ if (temp_filenames[attempt])
312+ {
313+ unlink (temp_filenames[attempt]);
314+ free (temp_filenames[attempt]);
315+ }
316+}
317+#endif
318+
319 /* Search for a file named NAME trying various prefixes including the
320 user's -B prefix and some standard ones.
321 Return the absolute file name found. If nothing is found, return NAME. */
322--- gcc/Makefile.in.orig 2007-09-30 10:48:13.000000000 +0000
323+++ gcc/Makefile.in 2007-09-30 10:48:39.000000000 +0000
324@@ -192,6 +192,7 @@
325 build/gengtype-lex.o-warn = -Wno-error
326 # SYSCALLS.c misses prototypes
327 SYSCALLS.c.X-warn = -Wno-strict-prototypes -Wno-error
328+build/gcc.o-warn = -Wno-error
329
330 # All warnings have to be shut off in stage1 if the compiler used then
331 # isn't gcc; configure determines that. WARN_CFLAGS will be either
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2025-10-24 05:17:14 +0000