summaryrefslogtreecommitdiff
path: root/gcc/testsuite/lib/objc.exp
blob: ae0671f9e19cc2e6d37b114c12bacecf55b820a6 (plain)
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
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
# Copyright (C) 1992, 1993, 1994, 1996, 1997, 2000, 2001, 2002, 2004, 2005,
# 2007, 2008, 2010 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GCC; see the file COPYING3.  If not see
# <http://www.gnu.org/licenses/>.

# This file was written by Rob Savoye (rob@cygnus.com)
# Currently maintained by Doug Evans (dje@cygnus.com)

# This file is loaded by the tool init file (eg: unix.exp).  It provides
# default definitions for objc_start, etc. and other supporting cast members.

# These globals are used by objc_start if no compiler arguments are provided.
# They are also used by the various testsuites to define the environment:
# where to find stdio.h, libc.a, etc.

load_lib libgloss.exp
load_lib prune.exp
load_lib gcc-defs.exp
load_lib timeout.exp
load_lib target-libpath.exp

#
# OBJC_UNDER_TEST is the compiler under test.
#

#
# default_objc_version -- extract and print the version number of the compiler
#

proc default_objc_version { } {
    global OBJC_UNDER_TEST

    objc_init

    # Ignore any arguments after the command.
    set compiler [lindex $OBJC_UNDER_TEST 0]

    if ![is_remote host] {
	set compiler_name [which $compiler]
    } else {
	set compiler_name $compiler
    }

    # Verify that the compiler exists.
    if { $compiler_name != 0 } then {
	set tmp [remote_exec host "$compiler -v"]
	set status [lindex $tmp 0]
	set output [lindex $tmp 1]
	regexp " version \[^\n\r\]*" $output version
	if { $status == 0 && [info exists version] } then {
	    clone_output "$compiler_name $version\n"
	} else {
	    clone_output "Couldn't determine version of $compiler_name: $output\n"
	}
    } else {
	# Compiler does not exist (this should have already been detected).
	warning "$compiler does not exist"
    }
}

#
# Call objc_version. We do it this way so we can override it if needed.
#
proc objc_version { } {
    default_objc_version
}

#
# objc_init -- called at the start of each .exp script.
#
# There currently isn't much to do, but always using it allows us to
# make some enhancements without having to go back and rewrite the scripts.
#

set objc_initialized 0

proc objc_init { args } {
    global rootme
    global tmpdir
    global libdir
    global gluefile wrap_flags
    global objc_initialized
    global OBJC_UNDER_TEST
    global TOOL_EXECUTABLE
    global objc_libgcc_s_path
    global gcc_warning_prefix
    global gcc_error_prefix

    # We set LC_ALL and LANG to C so that we get the same error messages as
    # expected.
    setenv LC_ALL C
    setenv LANG C

    # Many hosts now default to a non-ASCII C locale, however, so
    # they can set a charset encoding here if they need.
    if { [ishost "*-*-cygwin*"] } {
      setenv LC_ALL C.ASCII
      setenv LANG C.ASCII
    }

    if { $objc_initialized == 1 } { return; }

    if ![info exists OBJC_UNDER_TEST] then {
	if [info exists TOOL_EXECUTABLE] {
	    set OBJC_UNDER_TEST $TOOL_EXECUTABLE
	} else {
	    set OBJC_UNDER_TEST [find_gcc]
	}
    }

    if ![info exists tmpdir] then {
	set tmpdir /tmp
    }

    set gcc_warning_prefix "warning:"
    set gcc_error_prefix "error:"

    objc_maybe_build_wrapper "${tmpdir}/objc-testglue.o"

    set objc_libgcc_s_path [gcc-set-multilib-library-path $OBJC_UNDER_TEST]
}

proc objc_target_compile { source dest type options } {
    global rootme
    global tmpdir
    global gluefile wrap_flags
    global srcdir
    global OBJC_UNDER_TEST
    global TOOL_OPTIONS
    global ld_library_path
    global objc_libgcc_s_path
    global shlib_ext
    
    set shlib_ext [get_shlib_extension]
    set ld_library_path ".:${objc_libgcc_s_path}"
    
    # We have to figure out which runtime will be used on darwin because
    # we need to add the include path for the gnu runtime if that is in 
    # use.
    # First set the default...
    if { [istarget "*-*-darwin*"] } {
	set nextruntime 1
    } else {
	set nextruntime 0
    }
    verbose "initial next runtime state : $nextruntime" 2
    # Next, see if we define the option in dg-options...
    foreach opt $options {
	if [regexp ".*-fnext-runtime.*" $opt] {
	    set nextruntime 1
	}
	if [regexp ".*-fgnu-runtime.*" $opt] {
	    set nextruntime 0
	}
    }
    verbose "next runtime state after dg opts: $nextruntime"  2
   
    set tgt [target_info name]
    if [board_info $tgt exists multilib_flags] {
	set lb [board_info $tgt multilib_flags]
	verbose "board multilib_flags $lb" 2
	foreach opt $lb {
	    if [regexp ".*-fnext-runtime.*" $opt] {
		set nextruntime 1
	    }
	    if [regexp ".*-fgnu-runtime.*" $opt] {
		set nextruntime 0
	    }
	}
    }
    verbose "next runtime state after any multilib opts: $nextruntime" 2

    lappend options "libs=-lobjc"
    verbose "shared lib extension: $shlib_ext" 3

    if { [target_info needs_status_wrapper]!="" && [info exists gluefile] } {
	lappend options "libs=${gluefile}"
	lappend options "ldflags=$wrap_flags"
    }

    if [target_info exists objc,stack_size] {
	lappend options "additional_flags=-DSTACK_SIZE=[target_info objc,stack_size]"
    }
    if [target_info exists objc,no_trampolines] {
	lappend options "additional_flags=-DNO_TRAMPOLINES"
    }
    if [target_info exists objc,no_label_values] {
	lappend options "additional_flags=-DNO_LABEL_VALUES"
    }
    # TOOL_OPTIONS must come first, so that it doesn't override testcase
    # specific options.
    if [info exists TOOL_OPTIONS] {
	set options [concat "{additional_flags=$TOOL_OPTIONS}" $options]
    }

    # If we have built libobjc along with the compiler, point the test harness
    # at it (and associated headers).

    set objcpath "[get_multilibs]"

    set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc.a]
    if { $libobjc_dir == "" } {
	# On darwin there is, potentially, a gnu runtime too.
	set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc-gnu.a]
    }
    # Perhaps we didn't build static libs.
    if { $libobjc_dir == "" } {
	set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc.${shlib_ext}]
	# On darwin there is, potentially, a gnu runtime too.
	if { $libobjc_dir == "" } {
	    set libobjc_dir [lookfor_file ${objcpath} libobjc/.libs/libobjc-gnu.${shlib_ext}]
	}
    }
    
    if { $libobjc_dir != "" } {
	# If we are using the gnu runtime, add its includes.
	if { $nextruntime == 0 } {
	    set objc_include_dir "${srcdir}/../../libobjc"
	    lappend options "additional_flags=-I${objc_include_dir}"
	    verbose "adding gnu runtime include dir: $objc_include_dir "
	}
	set libobjc_dir [file dirname ${libobjc_dir}]
	# Allow for %s spec substitutions..
	set objc_link_flags " -B${libobjc_dir} "
	lappend options "additional_flags=${objc_link_flags}"
	set objc_link_flags " -L${libobjc_dir} "
	lappend options "additional_flags=${objc_link_flags}"
	append ld_library_path ":${libobjc_dir}"
    }
    if { $type == "precompiled_header" } {
	# If we generating a precompiled header, we have say this is an
	# objective-C header.
	set source [concat "-x objective-c-header" $source]
    }
    lappend options "compiler=$OBJC_UNDER_TEST"
    lappend options "timeout=[timeout_value]"

    set_ld_library_path_env_vars

    set options [dg-additional-files-options $options $source]

    return [target_compile $source $dest $type $options]
}

#
# objc_pass -- utility to record a testcase passed.
#

proc objc_pass { testcase cflags } {
    if { "$cflags" == "" } {
	pass "$testcase"
    } else {
	pass "$testcase, $cflags"
    }
}

#
# objc_fail -- utility to record a testcase failed
#

proc objc_fail { testcase cflags } {
    if { "$cflags" == "" } {
	fail "$testcase"
    } else {
	fail "$testcase, $cflags"
    }
}

#
# objc_finish -- called at the end of every .exp script that calls objc_init
#
# The purpose of this proc is to hide all quirks of the testing environment
# from the testsuites.  It also exists to undo anything that objc_init did
# (that needs undoing).
#

proc objc_finish { } {
    # The testing harness apparently requires this.
    global errorInfo

    if [info exists errorInfo] then {
	unset errorInfo
    }

    # Might as well reset these (keeps our caller from wondering whether
    # s/he has to or not).
    global prms_id bug_id
    set prms_id 0
    set bug_id 0
}

proc objc_exit { } {
    global gluefile

    if [info exists gluefile] {
	file_on_build delete $gluefile
	unset gluefile
    }
}
    
# If this is an older version of dejagnu (without runtest_file_p),
# provide one and assume the old syntax: foo1.exp bar1.c foo2.exp bar2.c.
# This can be deleted after next dejagnu release.

if { [info procs runtest_file_p] == "" } then {
    proc runtest_file_p { runtests testcase } {
	if { $runtests != "" && [regexp "\[.\]\[cC\]" $runtests] } then {
	    if { [lsearch $runtests [file tail $testcase]] >= 0 } then {
		return 1
	    } else {
		return 0
	    }
	}
	return 1
    }
}

# Provide a definition of this if missing (delete after next dejagnu release).

if { [info procs prune_warnings] == "" } then {
    proc prune_warnings { text } {
	return $text
    }
}

# Utility used by mike-gcc.exp and c-torture.exp.
# Check the compiler(/assembler/linker) output for text indicating that
# the testcase should be marked as "unsupported".
#
# When dealing with a large number of tests, it's difficult to weed out the
# ones that are too big for a particular cpu (eg: 16 bit with a small amount
# of memory).  There are various ways to deal with this.  Here's one.
# Fortunately, all of the cases where this is likely to happen will be using
# gld so we can tell what the error text will look like.

proc ${tool}_check_unsupported_p { output } {
    if [regexp "(^|\n)\[^\n\]*: region \[^\n\]* is full" $output] {
	return "memory full"
    }
    return ""
}

# Prune messages from objc that aren't useful.

proc prune_objc_output { text } {
    #send_user "Before:$text\n"
    regsub -all "(^|\n)\[^\n\]*: In (function|method) \[^\n\]*" $text "" text
    regsub -all "(^|\n)\[^\n\]*: At top level:\[^\n\]*" $text "" text

    # It would be nice to avoid passing anything to objc that would cause it to
    # issue these messages (since ignoring them seems like a hack on our part),
    # but that's too difficult in the general case.  For example, sometimes
    # you need to use -B to point objc at crt0.o, but there are some targets
    # that don't have crt0.o.
    regsub -all "(^|\n)\[^\n\]*file path prefix \[^\n\]* never used" $text "" text
    regsub -all "(^|\n)\[^\n\]*linker input file unused since linking not done" $text "" text

    #send_user "After:$text\n"

    return $text
}