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patch01 - 693 import Sun Devpro Math Library
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--- old/usr/src/tools/cw/cw.c
+++ new/usr/src/tools/cw/cw.c
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 23 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
24 24 * Use is subject to license terms.
25 25 */
26 26
27 27 /*
28 28 * Wrapper for the GNU C compiler to make it accept the Sun C compiler
29 29 * arguments where possible.
30 30 *
31 31 * Since the translation is inexact, this is something of a work-in-progress.
32 32 *
33 33 */
34 34
35 35 /* If you modify this file, you must increment CW_VERSION */
36 36 #define CW_VERSION "1.29"
37 37
38 38 /*
39 39 * -# Verbose mode
40 40 * -### Show compiler commands built by driver, no compilation
41 41 * -A<name[(tokens)]> Preprocessor predicate assertion
42 42 * -B<[static|dynamic]> Specify dynamic or static binding
43 43 * -C Prevent preprocessor from removing comments
44 44 * -c Compile only - produce .o files, suppress linking
45 45 * -cg92 Alias for -xtarget=ss1000
46 46 * -D<name[=token]> Associate name with token as if by #define
47 47 * -d[y|n] dynamic [-dy] or static [-dn] option to linker
48 48 * -E Compile source through preprocessor only, output to stdout
49 49 * -erroff=<t> Suppress warnings specified by tags t(%none, %all, <tag list>)
50 50 * -errtags=<a> Display messages with tags a(no, yes)
51 51 * -errwarn=<t> Treats warnings specified by tags t(%none, %all, <tag list>)
52 52 * as errors
53 53 * -fast Optimize using a selection of options
54 54 * -fd Report old-style function definitions and declarations
55 55 * -features=zla Allow zero-length arrays
56 56 * -flags Show this summary of compiler options
57 57 * -fnonstd Initialize floating-point hardware to non-standard preferences
58 58 * -fns[=<yes|no>] Select non-standard floating point mode
59 59 * -fprecision=<p> Set FP rounding precision mode p(single, double, extended)
60 60 * -fround=<r> Select the IEEE rounding mode in effect at startup
61 61 * -fsimple[=<n>] Select floating-point optimization preferences <n>
62 62 * -fsingle Use single-precision arithmetic (-Xt and -Xs modes only)
63 63 * -ftrap=<t> Select floating-point trapping mode in effect at startup
64 64 * -fstore force floating pt. values to target precision on assignment
65 65 * -G Build a dynamic shared library
66 66 * -g Compile for debugging
67 67 * -H Print path name of each file included during compilation
68 68 * -h <name> Assign <name> to generated dynamic shared library
69 69 * -I<dir> Add <dir> to preprocessor #include file search path
70 70 * -i Passed to linker to ignore any LD_LIBRARY_PATH setting
71 71 * -keeptmp Keep temporary files created during compilation
72 72 * -KPIC Compile position independent code with 32-bit addresses
73 73 * -Kpic Compile position independent code
74 74 * -L<dir> Pass to linker to add <dir> to the library search path
75 75 * -l<name> Link with library lib<name>.a or lib<name>.so
76 76 * -mc Remove duplicate strings from .comment section of output files
77 77 * -mr Remove all strings from .comment section of output files
78 78 * -mr,"string" Remove all strings and append "string" to .comment section
79 79 * -mt Specify options needed when compiling multi-threaded code
80 80 * -native Find available processor, generate code accordingly
81 81 * -nofstore Do not force floating pt. values to target precision
82 82 * on assignment
83 83 * -nolib Same as -xnolib
84 84 * -noqueue Disable queuing of compiler license requests
85 85 * -norunpath Do not build in a runtime path for shared libraries
86 86 * -O Use default optimization level (-xO2 or -xO3. Check man page.)
87 87 * -o <outputfile> Set name of output file to <outputfile>
88 88 * -P Compile source through preprocessor only, output to .i file
89 89 * -PIC Alias for -KPIC or -xcode=pic32
90 90 * -p Compile for profiling with prof
91 91 * -pic Alias for -Kpic or -xcode=pic13
92 92 * -Q[y|n] Emit/don't emit identification info to output file
93 93 * -qp Compile for profiling with prof
94 94 * -R<dir[:dir]> Build runtime search path list into executable
95 95 * -S Compile and only generate assembly code (.s)
96 96 * -s Strip symbol table from the executable file
97 97 * -t Turn off duplicate symbol warnings when linking
98 98 * -U<name> Delete initial definition of preprocessor symbol <name>
99 99 * -V Report version number of each compilation phase
100 100 * -v Do stricter semantic checking
101 101 * -W<c>,<arg> Pass <arg> to specified component <c> (a,l,m,p,0,2,h,i,u)
102 102 * -w Suppress compiler warning messages
103 103 * -Xa Compile assuming ANSI C conformance, allow K & R extensions
104 104 * (default mode)
105 105 * -Xc Compile assuming strict ANSI C conformance
106 106 * -Xs Compile assuming (pre-ANSI) K & R C style code
107 107 * -Xt Compile assuming K & R conformance, allow ANSI C
108 108 * -x386 Generate code for the 80386 processor
109 109 * -x486 Generate code for the 80486 processor
110 110 * -xarch=<a> Specify target architecture instruction set
111 111 * -xbuiltin[=<b>] When profitable inline, or substitute intrinisic functions
112 112 * for system functions, b={%all,%none}
113 113 * -xCC Accept C++ style comments
114 114 * -xchar_byte_order=<o> Specify multi-char byte order <o> (default, high, low)
115 115 * -xchip=<c> Specify the target processor for use by the optimizer
116 116 * -xcode=<c> Generate different code for forming addresses
117 117 * -xcrossfile[=<n>] Enable optimization and inlining across source files,
118 118 * n={0|1}
119 119 * -xe Perform only syntax/semantic checking, no code generation
120 120 * -xF Compile for later mapfile reordering or unused section
121 121 * elimination
122 122 * -xhelp=<f> Display on-line help information f(flags, readme, errors)
123 123 * -xildoff Cancel -xildon
124 124 * -xildon Enable use of the incremental linker, ild
125 125 * -xinline=[<a>,...,<a>] Attempt inlining of specified user routines,
126 126 * <a>={%auto,func,no%func}
127 127 * -xlibmieee Force IEEE 754 return values for math routines in
128 128 * exceptional cases
129 129 * -xlibmil Inline selected libm math routines for optimization
130 130 * -xlic_lib=sunperf Link in the Sun supplied performance libraries
131 131 * -xlicinfo Show license server information
132 132 * -xM Generate makefile dependencies
133 133 * -xM1 Generate makefile dependencies, but exclude /usr/include
134 134 * -xmaxopt=[off,1,2,3,4,5] maximum optimization level allowed on #pragma opt
135 135 * -xnolib Do not link with default system libraries
136 136 * -xnolibmil Cancel -xlibmil on command line
137 137 * -xO<n> Generate optimized code (n={1|2|3|4|5})
138 138 * -xP Print prototypes for function definitions
139 139 * -xpentium Generate code for the pentium processor
140 140 * -xpg Compile for profiling with gprof
141 141 * -xprofile=<p> Collect data for a profile or use a profile to optimize
142 142 * <p>={{collect,use}[:<path>],tcov}
143 143 * -xregs=<r> Control register allocation
144 144 * -xs Allow debugging without object (.o) files
145 145 * -xsb Compile for use with the WorkShop source browser
146 146 * -xsbfast Generate only WorkShop source browser info, no compilation
147 147 * -xsfpconst Represent unsuffixed floating point constants as single
148 148 * precision
149 149 * -xspace Do not do optimizations that increase code size
150 150 * -xstrconst Place string literals into read-only data segment
151 151 * -xtarget=<t> Specify target system for optimization
152 152 * -xtemp=<dir> Set directory for temporary files to <dir>
153 153 * -xtime Report the execution time for each compilation phase
154 154 * -xtransition Emit warnings for differences between K&R C and ANSI C
155 155 * -xtrigraphs[=<yes|no>] Enable|disable trigraph translation
156 156 * -xunroll=n Enable unrolling loops n times where possible
157 157 * -Y<c>,<dir> Specify <dir> for location of component <c> (a,l,m,p,0,h,i,u)
158 158 * -YA,<dir> Change default directory searched for components
159 159 * -YI,<dir> Change default directory searched for include files
160 160 * -YP,<dir> Change default directory for finding libraries files
161 161 * -YS,<dir> Change default directory for startup object files
162 162 */
163 163
164 164 /*
165 165 * Translation table:
166 166 */
167 167 /*
168 168 * -# -v
169 169 * -### error
170 170 * -A<name[(tokens)]> pass-thru
171 171 * -B<[static|dynamic]> pass-thru (syntax error for anything else)
172 172 * -C pass-thru
173 173 * -c pass-thru
174 174 * -cg92 -m32 -mcpu=v8 -mtune=supersparc (SPARC only)
175 175 * -D<name[=token]> pass-thru
176 176 * -dy or -dn -Wl,-dy or -Wl,-dn
177 177 * -E pass-thru
178 178 * -erroff=E_EMPTY_TRANSLATION_UNIT ignore
179 179 * -errtags=%all -Wall
180 180 * -errwarn=%all -Werror else -Wno-error
181 181 * -fast error
182 182 * -fd error
183 183 * -features=zla ignore
184 184 * -flags --help
185 185 * -fnonstd error
186 186 * -fns[=<yes|no>] error
187 187 * -fprecision=<p> error
188 188 * -fround=<r> error
189 189 * -fsimple[=<n>] error
190 190 * -fsingle[=<n>] error
191 191 * -ftrap=<t> error
192 192 * -fstore error
193 193 * -G pass-thru
194 194 * -g pass-thru
195 195 * -H pass-thru
196 196 * -h <name> pass-thru
197 197 * -I<dir> pass-thru
198 198 * -i pass-thru
199 199 * -keeptmp -save-temps
200 200 * -KPIC -fPIC
201 201 * -Kpic -fpic
202 202 * -L<dir> pass-thru
203 203 * -l<name> pass-thru
204 204 * -mc error
205 205 * -mr error
206 206 * -mr,"string" error
207 207 * -mt -D_REENTRANT
208 208 * -native error
209 209 * -nofstore error
210 210 * -nolib -nodefaultlibs
211 211 * -noqueue ignore
212 212 * -norunpath ignore
213 213 * -O -O1 (Check the man page to be certain)
214 214 * -o <outputfile> pass-thru
215 215 * -P -E -o filename.i (or error)
216 216 * -PIC -fPIC (C++ only)
217 217 * -p pass-thru
218 218 * -pic -fpic (C++ only)
219 219 * -Q[y|n] error
220 220 * -qp -p
221 221 * -R<dir[:dir]> pass-thru
222 222 * -S pass-thru
223 223 * -s -Wl,-s
224 224 * -t -Wl,-t
225 225 * -U<name> pass-thru
226 226 * -V --version
227 227 * -v -Wall
228 228 * -Wa,<arg> pass-thru
229 229 * -Wp,<arg> pass-thru except -xc99=<a>
230 230 * -Wl,<arg> pass-thru
231 231 * -W{m,0,2,h,i,u> error/ignore
232 232 * -Wu,-xmodel=kernel -ffreestanding -mcmodel=kernel -mno-red-zone
233 233 * -xmodel=kernel -ffreestanding -mcmodel=kernel -mno-red-zone
234 234 * -Wu,-save_args -msave-args
235 235 * -w pass-thru
236 236 * -Xa -std=iso9899:199409 or -ansi
237 237 * -Xc -ansi -pedantic
238 238 * -Xt error
239 239 * -Xs -traditional -std=c89
240 240 * -x386 -march=i386 (x86 only)
241 241 * -x486 -march=i486 (x86 only)
242 242 * -xarch=<a> table
243 243 * -xbuiltin[=<b>] -fbuiltin (-fno-builtin otherwise)
244 244 * -xCC ignore
245 245 * -xchar_byte_order=<o> error
246 246 * -xchip=<c> table
247 247 * -xcode=<c> table
248 248 * -xdebugformat=<format> ignore (always use dwarf-2 for gcc)
249 249 * -xcrossfile[=<n>] ignore
250 250 * -xe error
251 251 * -xF error
252 252 * -xhelp=<f> error
253 253 * -xildoff ignore
254 254 * -xildon ignore
255 255 * -xinline ignore
256 256 * -xlibmieee error
257 257 * -xlibmil error
258 258 * -xlic_lib=sunperf error
259 259 * -xM -M
260 260 * -xM1 -MM
261 261 * -xmaxopt=[...] error
262 262 * -xnolib -nodefaultlibs
263 263 * -xnolibmil error
264 264 * -xO<n> -O<n>
265 265 * -xP error
266 266 * -xpentium -march=pentium (x86 only)
267 267 * -xpg error
268 268 * -xprofile=<p> error
269 269 * -xregs=<r> table
270 270 * -xs error
271 271 * -xsb error
272 272 * -xsbfast error
273 273 * -xsfpconst error
274 274 * -xspace ignore (-not -Os)
275 275 * -xstrconst ignore
276 276 * -xtarget=<t> table
277 277 * -xtemp=<dir> error
278 278 * -xtime error
279 279 * -xtransition -Wtransition
280 280 * -xtrigraphs=<yes|no> -trigraphs -notrigraphs
281 281 * -xunroll=n error
282 282 * -W0,-xdbggen=no%usedonly -fno-eliminate-unused-debug-symbols
283 283 * -fno-eliminate-unused-debug-types
284 284 * -Y<c>,<dir> error
285 285 * -YA,<dir> error
286 286 * -YI,<dir> -nostdinc -I<dir>
287 287 * -YP,<dir> error
288 288 * -YS,<dir> error
289 289 */
290 290
291 291 #include <stdio.h>
292 292 #include <sys/types.h>
293 293 #include <unistd.h>
294 294 #include <string.h>
295 295 #include <stdlib.h>
296 296 #include <ctype.h>
297 297 #include <fcntl.h>
298 298 #include <errno.h>
299 299 #include <stdarg.h>
300 300 #include <sys/utsname.h>
301 301 #include <sys/param.h>
302 302 #include <sys/isa_defs.h>
303 303 #include <sys/wait.h>
304 304 #include <sys/stat.h>
305 305
306 306 #define CW_F_CXX 0x01
307 307 #define CW_F_SHADOW 0x02
308 308 #define CW_F_EXEC 0x04
309 309 #define CW_F_ECHO 0x08
310 310 #define CW_F_XLATE 0x10
311 311 #define CW_F_PROG 0x20
312 312
313 313 typedef enum cw_compiler {
314 314 CW_C_CC = 0,
315 315 CW_C_GCC
316 316 } cw_compiler_t;
317 317
318 318 static const char *cmds[] = {
319 319 "cc", "CC",
320 320 "gcc", "g++"
321 321 };
322 322
323 323 static char default_dir[2][MAXPATHLEN] = {
324 324 DEFAULT_CC_DIR,
325 325 DEFAULT_GCC_DIR,
326 326 };
327 327
328 328 #define CC(ctx) \
329 329 (((ctx)->i_flags & CW_F_SHADOW) ? \
330 330 ((ctx)->i_compiler == CW_C_CC ? CW_C_GCC : CW_C_CC) : \
331 331 (ctx)->i_compiler)
332 332
333 333 #define CIDX(compiler, flags) \
334 334 ((int)(compiler) << 1) + ((flags) & CW_F_CXX ? 1 : 0)
335 335
336 336 typedef enum cw_op {
337 337 CW_O_NONE = 0,
338 338 CW_O_PREPROCESS,
339 339 CW_O_COMPILE,
340 340 CW_O_LINK
341 341 } cw_op_t;
342 342
343 343 struct aelist {
344 344 struct ae {
345 345 struct ae *ae_next;
346 346 char *ae_arg;
347 347 } *ael_head, *ael_tail;
348 348 int ael_argc;
349 349 };
350 350
351 351 typedef struct cw_ictx {
352 352 cw_compiler_t i_compiler;
353 353 struct aelist *i_ae;
354 354 uint32_t i_flags;
355 355 int i_oldargc;
356 356 char **i_oldargv;
357 357 pid_t i_pid;
358 358 char i_discard[MAXPATHLEN];
359 359 char *i_stderr;
360 360 } cw_ictx_t;
361 361
362 362 /*
363 363 * Status values to indicate which Studio compiler and associated
364 364 * flags are being used.
365 365 */
366 366 #define M32 0x01 /* -m32 - only on Studio 12 */
367 367 #define M64 0x02 /* -m64 - only on Studio 12 */
368 368 #define SS11 0x100 /* Studio 11 */
369 369 #define SS12 0x200 /* Studio 12 */
370 370
371 371 #define TRANS_ENTRY 5
372 372 /*
373 373 * Translation table definition for the -xarch= flag. The "x_arg"
374 374 * value is translated into the appropriate gcc flags according
375 375 * to the values in x_trans[n]. The x_flags indicates what compiler
376 376 * is being used and what flags have been set via the use of
377 377 * "x_arg".
378 378 */
379 379 typedef struct xarch_table {
380 380 char *x_arg;
381 381 int x_flags;
382 382 char *x_trans[TRANS_ENTRY];
383 383 } xarch_table_t;
384 384
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385 385 /*
386 386 * The translation table for the -xarch= flag used in the Studio compilers.
387 387 */
388 388 static const xarch_table_t xtbl[] = {
389 389 #if defined(__x86)
390 390 { "generic", SS11 },
391 391 { "generic64", (SS11|M64), { "-m64", "-mtune=opteron" } },
392 392 { "amd64", (SS11|M64), { "-m64", "-mtune=opteron" } },
393 393 { "386", SS11, { "-march=i386" } },
394 394 { "pentium_pro", SS11, { "-march=pentiumpro" } },
395 + { "sse", SS11, { "-msse", "-mfpmath=sse" } },
396 + { "sse2", SS11, { "-msse2", "-mfpmath=sse" } },
395 397 #elif defined(__sparc)
396 398 { "generic", (SS11|M32), { "-m32", "-mcpu=v8" } },
397 399 { "generic64", (SS11|M64), { "-m64", "-mcpu=v9" } },
398 400 { "v8", (SS11|M32), { "-m32", "-mcpu=v8", "-mno-v8plus" } },
399 401 { "v8plus", (SS11|M32), { "-m32", "-mcpu=v9", "-mv8plus" } },
400 402 { "v8plusa", (SS11|M32), { "-m32", "-mcpu=ultrasparc", "-mv8plus",
401 403 "-mvis" } },
402 404 { "v8plusb", (SS11|M32), { "-m32", "-mcpu=ultrasparc3", "-mv8plus",
403 405 "-mvis" } },
404 406 { "v9", (SS11|M64), { "-m64", "-mcpu=v9" } },
405 407 { "v9a", (SS11|M64), { "-m64", "-mcpu=ultrasparc", "-mvis" } },
406 408 { "v9b", (SS11|M64), { "-m64", "-mcpu=ultrasparc3", "-mvis" } },
407 409 { "sparc", SS12, { "-mcpu=v9", "-mv8plus" } },
408 410 { "sparcvis", SS12, { "-mcpu=ultrasparc", "-mvis" } },
409 411 { "sparcvis2", SS12, { "-mcpu=ultrasparc3", "-mvis" } }
410 412 #endif
411 413 };
412 414
413 415 static int xtbl_size = sizeof (xtbl) / sizeof (xarch_table_t);
414 416
415 417 static const char *progname;
416 418
417 419 static const char *xchip_tbl[] = {
418 420 #if defined(__x86)
419 421 "386", "-mtune=i386", NULL,
420 422 "486", "-mtune=i486", NULL,
421 423 "pentium", "-mtune=pentium", NULL,
422 424 "pentium_pro", "-mtune=pentiumpro", NULL,
423 425 #elif defined(__sparc)
424 426 "super", "-mtune=supersparc", NULL,
425 427 "ultra", "-mtune=ultrasparc", NULL,
426 428 "ultra3", "-mtune=ultrasparc3", NULL,
427 429 #endif
428 430 NULL, NULL
429 431 };
430 432
431 433 static const char *xcode_tbl[] = {
432 434 #if defined(__sparc)
433 435 "abs32", "-fno-pic", "-mcmodel=medlow", NULL,
434 436 "abs44", "-fno-pic", "-mcmodel=medmid", NULL,
435 437 "abs64", "-fno-pic", "-mcmodel=medany", NULL,
436 438 "pic13", "-fpic", NULL,
437 439 "pic32", "-fPIC", NULL,
438 440 #endif
439 441 NULL, NULL
440 442 };
441 443
442 444 static const char *xtarget_tbl[] = {
443 445 #if defined(__x86)
444 446 "pentium_pro", "-march=pentiumpro", NULL,
445 447 #endif /* __x86 */
446 448 NULL, NULL
447 449 };
448 450
449 451 static const char *xregs_tbl[] = {
450 452 #if defined(__sparc)
451 453 "appl", "-mapp-regs", NULL,
452 454 "no%appl", "-mno-app-regs", NULL,
453 455 "float", "-mfpu", NULL,
454 456 "no%float", "-mno-fpu", NULL,
455 457 #endif /* __sparc */
456 458 NULL, NULL
457 459 };
458 460
459 461 static void
460 462 nomem(void)
461 463 {
462 464 (void) fprintf(stderr, "%s: error: out of memory\n", progname);
463 465 exit(1);
464 466 }
465 467
466 468 static void
467 469 cw_perror(const char *fmt, ...)
468 470 {
469 471 va_list ap;
470 472 int saved_errno = errno;
471 473
472 474 (void) fprintf(stderr, "%s: error: ", progname);
473 475
474 476 va_start(ap, fmt);
475 477 (void) vfprintf(stderr, fmt, ap);
476 478 va_end(ap);
477 479
478 480 (void) fprintf(stderr, " (%s)\n", strerror(saved_errno));
479 481 }
480 482
481 483 static void
482 484 newae(struct aelist *ael, const char *arg)
483 485 {
484 486 struct ae *ae;
485 487
486 488 if ((ae = calloc(sizeof (*ae), 1)) == NULL)
487 489 nomem();
488 490 ae->ae_arg = strdup(arg);
489 491 if (ael->ael_tail == NULL)
490 492 ael->ael_head = ae;
491 493 else
492 494 ael->ael_tail->ae_next = ae;
493 495 ael->ael_tail = ae;
494 496 ael->ael_argc++;
495 497 }
496 498
497 499 static cw_ictx_t *
498 500 newictx(void)
499 501 {
500 502 cw_ictx_t *ctx = calloc(sizeof (cw_ictx_t), 1);
501 503 if (ctx)
502 504 if ((ctx->i_ae = calloc(sizeof (struct aelist), 1)) == NULL) {
503 505 free(ctx);
504 506 return (NULL);
505 507 }
506 508
507 509 return (ctx);
508 510 }
509 511
510 512 static void
511 513 error(const char *arg)
512 514 {
513 515 (void) fprintf(stderr,
514 516 "%s: error: mapping failed at or near arg '%s'\n", progname, arg);
515 517 exit(2);
516 518 }
517 519
518 520 /*
519 521 * Add the current favourite set of warnings to the gcc invocation.
520 522 */
521 523 static void
522 524 warnings(struct aelist *h)
523 525 {
524 526 static int warningsonce;
525 527
526 528 if (warningsonce++)
527 529 return;
528 530
529 531 /*
530 532 * Enable as many warnings as exist, then disable those that we never
531 533 * ever want.
532 534 */
533 535 newae(h, "-Wall");
534 536 newae(h, "-Wextra");
535 537 }
536 538
537 539 static void
538 540 optim_disable(struct aelist *h, int level)
539 541 {
540 542 if (level >= 2) {
541 543 newae(h, "-fno-strict-aliasing");
542 544 newae(h, "-fno-unit-at-a-time");
543 545 newae(h, "-fno-optimize-sibling-calls");
544 546 }
545 547 }
546 548
547 549 /* ARGSUSED */
548 550 static void
549 551 Xamode(struct aelist *h)
550 552 {
551 553 }
552 554
553 555 static void
554 556 Xcmode(struct aelist *h)
555 557 {
556 558 static int xconce;
557 559
558 560 if (xconce++)
559 561 return;
560 562
561 563 newae(h, "-ansi");
562 564 newae(h, "-pedantic-errors");
563 565 }
564 566
565 567 static void
566 568 Xsmode(struct aelist *h)
567 569 {
568 570 static int xsonce;
569 571
570 572 if (xsonce++)
571 573 return;
572 574
573 575 newae(h, "-traditional");
574 576 newae(h, "-traditional-cpp");
575 577 }
576 578
577 579 static void
578 580 usage()
579 581 {
580 582 (void) fprintf(stderr,
581 583 "usage: %s { -_cc | -_gcc | -_CC | -_g++ } [ -_compiler | ... ]\n",
582 584 progname);
583 585 exit(2);
584 586 }
585 587
586 588 static int
587 589 xlate_xtb(struct aelist *h, const char *xarg)
588 590 {
589 591 int i, j;
590 592
591 593 for (i = 0; i < xtbl_size; i++) {
592 594 if (strcmp(xtbl[i].x_arg, xarg) == 0)
593 595 break;
594 596 }
595 597
596 598 /*
597 599 * At the end of the table and so no matching "arg" entry
598 600 * found and so this must be a bad -xarch= flag.
599 601 */
600 602 if (i == xtbl_size)
601 603 error(xarg);
602 604
603 605 for (j = 0; j < TRANS_ENTRY; j++) {
604 606 if (xtbl[i].x_trans[j] != NULL)
605 607 newae(h, xtbl[i].x_trans[j]);
606 608 else
607 609 break;
608 610 }
609 611 return (xtbl[i].x_flags);
610 612
611 613 }
612 614
613 615 static void
614 616 xlate(struct aelist *h, const char *xarg, const char **table)
615 617 {
616 618 while (*table != NULL && strcmp(xarg, *table) != 0) {
617 619 while (*table != NULL)
618 620 table++;
619 621 table++;
620 622 }
621 623
622 624 if (*table == NULL)
623 625 error(xarg);
624 626
625 627 table++;
626 628
627 629 while (*table != NULL) {
628 630 newae(h, *table);
629 631 table++;
630 632 }
631 633 }
632 634
633 635 static void
634 636 do_gcc(cw_ictx_t *ctx)
635 637 {
636 638 int c;
637 639 int pic = 0, nolibc = 0;
638 640 int in_output = 0, seen_o = 0, c_files = 0;
639 641 cw_op_t op = CW_O_LINK;
640 642 char *model = NULL;
641 643 int mflag = 0;
642 644
643 645 if (ctx->i_flags & CW_F_PROG) {
644 646 newae(ctx->i_ae, "--version");
645 647 return;
646 648 }
647 649
648 650 newae(ctx->i_ae, "-fident");
649 651 newae(ctx->i_ae, "-finline");
650 652 newae(ctx->i_ae, "-fno-inline-functions");
651 653 newae(ctx->i_ae, "-fno-builtin");
652 654 newae(ctx->i_ae, "-fno-asm");
653 655 newae(ctx->i_ae, "-fdiagnostics-show-option");
654 656 newae(ctx->i_ae, "-nodefaultlibs");
655 657
656 658 #if defined(__sparc)
657 659 /*
658 660 * The SPARC ldd and std instructions require 8-byte alignment of
659 661 * their address operand. gcc correctly uses them only when the
660 662 * ABI requires 8-byte alignment; unfortunately we have a number of
661 663 * pieces of buggy code that doesn't conform to the ABI. This
662 664 * flag makes gcc work more like Studio with -xmemalign=4.
663 665 */
664 666 newae(ctx->i_ae, "-mno-integer-ldd-std");
665 667 #endif
666 668
667 669 /*
668 670 * This is needed because 'u' is defined
669 671 * under a conditional on 'sun'. Should
670 672 * probably just remove the conditional,
671 673 * or make it be dependent on '__sun'.
672 674 *
673 675 * -Dunix is also missing in enhanced ANSI mode
674 676 */
675 677 newae(ctx->i_ae, "-D__sun");
676 678
677 679 /*
678 680 * Walk the argument list, translating as we go ..
679 681 */
680 682
681 683 while (--ctx->i_oldargc > 0) {
682 684 char *arg = *++ctx->i_oldargv;
683 685 size_t arglen = strlen(arg);
684 686
685 687 if (*arg == '-') {
686 688 arglen--;
687 689 } else {
688 690 /*
689 691 * Discard inline files that gcc doesn't grok
690 692 */
691 693 if (!in_output && arglen > 3 &&
692 694 strcmp(arg + arglen - 3, ".il") == 0)
693 695 continue;
694 696
695 697 if (!in_output && arglen > 2 &&
696 698 arg[arglen - 2] == '.' &&
697 699 (arg[arglen - 1] == 'S' || arg[arglen - 1] == 's' ||
698 700 arg[arglen - 1] == 'c' || arg[arglen - 1] == 'i'))
699 701 c_files++;
700 702
701 703 /*
702 704 * Otherwise, filenames and partial arguments
703 705 * are passed through for gcc to chew on. However,
704 706 * output is always discarded for the secondary
705 707 * compiler.
706 708 */
707 709 if ((ctx->i_flags & CW_F_SHADOW) && in_output)
708 710 newae(ctx->i_ae, ctx->i_discard);
709 711 else
710 712 newae(ctx->i_ae, arg);
711 713 in_output = 0;
712 714 continue;
713 715 }
714 716
715 717 if (ctx->i_flags & CW_F_CXX) {
716 718 if (strncmp(arg, "-compat=", 8) == 0) {
717 719 /* discard -compat=4 and -compat=5 */
718 720 continue;
719 721 }
720 722 if (strcmp(arg, "-Qoption") == 0) {
721 723 /* discard -Qoption and its two arguments */
722 724 if (ctx->i_oldargc < 3)
723 725 error(arg);
724 726 ctx->i_oldargc -= 2;
725 727 ctx->i_oldargv += 2;
726 728 continue;
727 729 }
728 730 if (strcmp(arg, "-xwe") == 0) {
729 731 /* turn warnings into errors */
730 732 newae(ctx->i_ae, "-Werror");
731 733 continue;
732 734 }
733 735 if (strcmp(arg, "-noex") == 0) {
734 736 /* no exceptions */
735 737 newae(ctx->i_ae, "-fno-exceptions");
736 738 /* no run time type descriptor information */
737 739 newae(ctx->i_ae, "-fno-rtti");
738 740 continue;
739 741 }
740 742 if (strcmp(arg, "-pic") == 0) {
741 743 newae(ctx->i_ae, "-fpic");
742 744 pic = 1;
743 745 continue;
744 746 }
745 747 if (strcmp(arg, "-PIC") == 0) {
746 748 newae(ctx->i_ae, "-fPIC");
747 749 pic = 1;
748 750 continue;
749 751 }
750 752 if (strcmp(arg, "-norunpath") == 0) {
751 753 /* gcc has no corresponding option */
752 754 continue;
753 755 }
754 756 if (strcmp(arg, "-nolib") == 0) {
755 757 /* -nodefaultlibs is on by default */
756 758 nolibc = 1;
757 759 continue;
758 760 }
759 761 #if defined(__sparc)
760 762 if (strcmp(arg, "-cg92") == 0) {
761 763 mflag |= xlate_xtb(ctx->i_ae, "v8");
762 764 xlate(ctx->i_ae, "super", xchip_tbl);
763 765 continue;
764 766 }
765 767 #endif /* __sparc */
766 768 }
767 769
768 770 switch ((c = arg[1])) {
769 771 case '_':
770 772 if (strcmp(arg, "-_noecho") == 0)
771 773 ctx->i_flags &= ~CW_F_ECHO;
772 774 else if (strncmp(arg, "-_cc=", 5) == 0 ||
773 775 strncmp(arg, "-_CC=", 5) == 0)
774 776 /* EMPTY */;
775 777 else if (strncmp(arg, "-_gcc=", 6) == 0 ||
776 778 strncmp(arg, "-_g++=", 6) == 0)
777 779 newae(ctx->i_ae, arg + 6);
778 780 else
779 781 error(arg);
780 782 break;
781 783 case '#':
782 784 if (arglen == 1) {
783 785 newae(ctx->i_ae, "-v");
784 786 break;
785 787 }
786 788 error(arg);
787 789 break;
788 790 case 'g':
789 791 newae(ctx->i_ae, "-gdwarf-2");
790 792 break;
791 793 case 'E':
792 794 if (arglen == 1) {
793 795 newae(ctx->i_ae, "-xc");
794 796 newae(ctx->i_ae, arg);
795 797 op = CW_O_PREPROCESS;
796 798 nolibc = 1;
797 799 break;
798 800 }
799 801 error(arg);
800 802 break;
801 803 case 'c':
802 804 case 'S':
803 805 if (arglen == 1) {
804 806 op = CW_O_COMPILE;
805 807 nolibc = 1;
806 808 }
807 809 /* FALLTHROUGH */
808 810 case 'C':
809 811 case 'H':
810 812 case 'p':
811 813 if (arglen == 1) {
812 814 newae(ctx->i_ae, arg);
813 815 break;
814 816 }
815 817 error(arg);
816 818 break;
817 819 case 'A':
818 820 case 'h':
819 821 case 'I':
820 822 case 'i':
821 823 case 'L':
822 824 case 'l':
823 825 case 'R':
824 826 case 'U':
825 827 case 'u':
826 828 case 'w':
827 829 newae(ctx->i_ae, arg);
828 830 break;
829 831 case 'o':
830 832 seen_o = 1;
831 833 if (arglen == 1) {
832 834 in_output = 1;
833 835 newae(ctx->i_ae, arg);
834 836 } else if (ctx->i_flags & CW_F_SHADOW) {
835 837 newae(ctx->i_ae, "-o");
836 838 newae(ctx->i_ae, ctx->i_discard);
837 839 } else {
838 840 newae(ctx->i_ae, arg);
839 841 }
840 842 break;
841 843 case 'D':
842 844 newae(ctx->i_ae, arg);
843 845 /*
844 846 * XXX Clearly a hack ... do we need _KADB too?
845 847 */
846 848 if (strcmp(arg, "-D_KERNEL") == 0 ||
847 849 strcmp(arg, "-D_BOOT") == 0)
848 850 newae(ctx->i_ae, "-ffreestanding");
849 851 break;
850 852 case 'd':
851 853 if (arglen == 2) {
852 854 if (strcmp(arg, "-dy") == 0) {
853 855 newae(ctx->i_ae, "-Wl,-dy");
854 856 break;
855 857 }
856 858 if (strcmp(arg, "-dn") == 0) {
857 859 newae(ctx->i_ae, "-Wl,-dn");
858 860 break;
859 861 }
860 862 }
861 863 if (strcmp(arg, "-dalign") == 0) {
862 864 /*
863 865 * -dalign forces alignment in some cases;
864 866 * gcc does not need any flag to do this.
865 867 */
866 868 break;
867 869 }
868 870 error(arg);
869 871 break;
870 872 case 'e':
871 873 if (strcmp(arg,
872 874 "-erroff=E_EMPTY_TRANSLATION_UNIT") == 0) {
873 875 /*
874 876 * Accept but ignore this -- gcc doesn't
875 877 * seem to complain about empty translation
876 878 * units
877 879 */
878 880 break;
879 881 }
880 882 /* XX64 -- ignore all -erroff= options, for now */
881 883 if (strncmp(arg, "-erroff=", 8) == 0)
882 884 break;
883 885 if (strcmp(arg, "-errtags=yes") == 0) {
884 886 warnings(ctx->i_ae);
885 887 break;
886 888 }
887 889 if (strcmp(arg, "-errwarn=%all") == 0) {
888 890 newae(ctx->i_ae, "-Werror");
889 891 break;
890 892 }
891 893 error(arg);
892 894 break;
893 895 case 'f':
894 896 if (strcmp(arg, "-flags") == 0) {
895 897 newae(ctx->i_ae, "--help");
896 898 break;
897 899 }
898 900 if (strncmp(arg, "-features=zla", 13) == 0) {
899 901 /*
900 902 * Accept but ignore this -- gcc allows
901 903 * zero length arrays.
902 904 */
903 905 break;
904 906 }
905 907 error(arg);
906 908 break;
907 909 case 'G':
908 910 newae(ctx->i_ae, "-shared");
909 911 nolibc = 1;
910 912 break;
911 913 case 'k':
912 914 if (strcmp(arg, "-keeptmp") == 0) {
913 915 newae(ctx->i_ae, "-save-temps");
914 916 break;
915 917 }
916 918 error(arg);
917 919 break;
918 920 case 'K':
919 921 if (arglen == 1) {
920 922 if ((arg = *++ctx->i_oldargv) == NULL ||
921 923 *arg == '\0')
922 924 error("-K");
923 925 ctx->i_oldargc--;
924 926 } else {
925 927 arg += 2;
926 928 }
927 929 if (strcmp(arg, "pic") == 0) {
928 930 newae(ctx->i_ae, "-fpic");
929 931 pic = 1;
930 932 break;
931 933 }
932 934 if (strcmp(arg, "PIC") == 0) {
933 935 newae(ctx->i_ae, "-fPIC");
934 936 pic = 1;
935 937 break;
936 938 }
937 939 error("-K");
938 940 break;
939 941 case 'm':
940 942 if (strcmp(arg, "-mt") == 0) {
941 943 newae(ctx->i_ae, "-D_REENTRANT");
942 944 break;
943 945 }
944 946 if (strcmp(arg, "-m64") == 0) {
945 947 newae(ctx->i_ae, "-m64");
946 948 #if defined(__x86)
947 949 newae(ctx->i_ae, "-mtune=opteron");
948 950 #endif
949 951 mflag |= M64;
950 952 break;
951 953 }
952 954 if (strcmp(arg, "-m32") == 0) {
953 955 newae(ctx->i_ae, "-m32");
954 956 mflag |= M32;
955 957 break;
956 958 }
957 959 error(arg);
958 960 break;
959 961 case 'B': /* linker options */
960 962 case 'M':
961 963 case 'z':
962 964 {
963 965 char *opt;
964 966 size_t len;
965 967 char *s;
966 968
967 969 if (arglen == 1) {
968 970 opt = *++ctx->i_oldargv;
969 971 if (opt == NULL || *opt == '\0')
970 972 error(arg);
971 973 ctx->i_oldargc--;
972 974 } else {
973 975 opt = arg + 2;
974 976 }
975 977 len = strlen(opt) + 7;
976 978 if ((s = malloc(len)) == NULL)
977 979 nomem();
978 980 (void) snprintf(s, len, "-Wl,-%c%s", c, opt);
979 981 newae(ctx->i_ae, s);
980 982 free(s);
981 983 }
982 984 break;
983 985 case 'n':
984 986 if (strcmp(arg, "-noqueue") == 0) {
985 987 /*
986 988 * Horrid license server stuff - n/a
987 989 */
988 990 break;
989 991 }
990 992 error(arg);
991 993 break;
992 994 case 'O':
993 995 if (arglen == 1) {
994 996 newae(ctx->i_ae, "-O");
995 997 break;
996 998 }
997 999 error(arg);
998 1000 break;
999 1001 case 'P':
1000 1002 /*
1001 1003 * We could do '-E -o filename.i', but that's hard,
1002 1004 * and we don't need it for the case that's triggering
1003 1005 * this addition. We'll require the user to specify
1004 1006 * -o in the Makefile. If they don't they'll find out
1005 1007 * in a hurry.
1006 1008 */
1007 1009 newae(ctx->i_ae, "-E");
1008 1010 op = CW_O_PREPROCESS;
1009 1011 nolibc = 1;
1010 1012 break;
1011 1013 case 'q':
1012 1014 if (strcmp(arg, "-qp") == 0) {
1013 1015 newae(ctx->i_ae, "-p");
1014 1016 break;
1015 1017 }
1016 1018 error(arg);
1017 1019 break;
1018 1020 case 's':
1019 1021 if (arglen == 1) {
1020 1022 newae(ctx->i_ae, "-Wl,-s");
1021 1023 break;
1022 1024 }
1023 1025 error(arg);
1024 1026 break;
1025 1027 case 't':
1026 1028 if (arglen == 1) {
1027 1029 newae(ctx->i_ae, "-Wl,-t");
1028 1030 break;
1029 1031 }
1030 1032 error(arg);
1031 1033 break;
1032 1034 case 'V':
1033 1035 if (arglen == 1) {
1034 1036 ctx->i_flags &= ~CW_F_ECHO;
1035 1037 newae(ctx->i_ae, "--version");
1036 1038 break;
1037 1039 }
1038 1040 error(arg);
1039 1041 break;
1040 1042 case 'v':
1041 1043 if (arglen == 1) {
1042 1044 warnings(ctx->i_ae);
1043 1045 break;
1044 1046 }
1045 1047 error(arg);
1046 1048 break;
1047 1049 case 'W':
1048 1050 if (strncmp(arg, "-Wp,-xc99", 9) == 0) {
1049 1051 /*
1050 1052 * gcc's preprocessor will accept c99
1051 1053 * regardless, so accept and ignore.
1052 1054 */
1053 1055 break;
1054 1056 }
1055 1057 if (strncmp(arg, "-Wa,", 4) == 0 ||
1056 1058 strncmp(arg, "-Wp,", 4) == 0 ||
1057 1059 strncmp(arg, "-Wl,", 4) == 0) {
1058 1060 newae(ctx->i_ae, arg);
1059 1061 break;
1060 1062 }
1061 1063 if (strcmp(arg, "-W0,-xc99=pragma") == 0) {
1062 1064 /* (undocumented) enables _Pragma */
1063 1065 break;
1064 1066 }
1065 1067 if (strcmp(arg, "-W0,-xc99=%none") == 0) {
1066 1068 /*
1067 1069 * This is a polite way of saying
1068 1070 * "no c99 constructs allowed!"
1069 1071 * For now, just accept and ignore this.
1070 1072 */
1071 1073 break;
1072 1074 }
1073 1075 if (strcmp(arg, "-W0,-noglobal") == 0 ||
1074 1076 strcmp(arg, "-W0,-xglobalstatic") == 0) {
1075 1077 /*
1076 1078 * gcc doesn't prefix local symbols
1077 1079 * in debug mode, so this is not needed.
1078 1080 */
1079 1081 break;
1080 1082 }
1081 1083 if (strcmp(arg, "-W0,-Lt") == 0) {
1082 1084 /*
1083 1085 * Generate tests at the top of loops.
1084 1086 * There is no direct gcc equivalent, ignore.
1085 1087 */
1086 1088 break;
1087 1089 }
1088 1090 if (strcmp(arg, "-W0,-xdbggen=no%usedonly") == 0) {
1089 1091 newae(ctx->i_ae,
1090 1092 "-fno-eliminate-unused-debug-symbols");
1091 1093 newae(ctx->i_ae,
1092 1094 "-fno-eliminate-unused-debug-types");
1093 1095 break;
1094 1096 }
1095 1097 if (strcmp(arg, "-W2,-xwrap_int") == 0) {
1096 1098 /*
1097 1099 * Use the legacy behaviour (pre-SS11)
1098 1100 * for integer wrapping.
1099 1101 * gcc does not need this.
1100 1102 */
1101 1103 break;
1102 1104 }
1103 1105 if (strcmp(arg, "-W2,-Rcond_elim") == 0) {
1104 1106 /*
1105 1107 * Elimination and expansion of conditionals;
1106 1108 * gcc has no direct equivalent.
1107 1109 */
1108 1110 break;
1109 1111 }
1110 1112 if (strcmp(arg, "-Wd,-xsafe=unboundsym") == 0) {
1111 1113 /*
1112 1114 * Prevents optimizing away checks for
1113 1115 * unbound weak symbol addresses. gcc does
1114 1116 * not do this, so it's not needed.
1115 1117 */
1116 1118 break;
1117 1119 }
1118 1120 if (strncmp(arg, "-Wc,-xcode=", 11) == 0) {
1119 1121 xlate(ctx->i_ae, arg + 11, xcode_tbl);
1120 1122 if (strncmp(arg + 11, "pic", 3) == 0)
1121 1123 pic = 1;
1122 1124 break;
1123 1125 }
1124 1126 if (strncmp(arg, "-Wc,-Qiselect", 13) == 0) {
1125 1127 /*
1126 1128 * Prevents insertion of register symbols.
1127 1129 * gcc doesn't do this, so ignore it.
1128 1130 */
1129 1131 break;
1130 1132 }
1131 1133 if (strcmp(arg, "-Wc,-Qassembler-ounrefsym=0") == 0) {
1132 1134 /*
1133 1135 * Prevents optimizing away of static variables.
1134 1136 * gcc does not do this, so it's not needed.
1135 1137 */
1136 1138 break;
1137 1139 }
1138 1140 #if defined(__x86)
1139 1141 if (strcmp(arg, "-Wu,-xmodel=kernel") == 0) {
1140 1142 newae(ctx->i_ae, "-ffreestanding");
1141 1143 newae(ctx->i_ae, "-mno-red-zone");
1142 1144 model = "-mcmodel=kernel";
1143 1145 nolibc = 1;
1144 1146 break;
1145 1147 }
1146 1148 if (strcmp(arg, "-Wu,-save_args") == 0) {
1147 1149 newae(ctx->i_ae, "-msave-args");
1148 1150 break;
1149 1151 }
1150 1152 #endif /* __x86 */
1151 1153 error(arg);
1152 1154 break;
1153 1155 case 'X':
1154 1156 if (strcmp(arg, "-Xa") == 0 ||
1155 1157 strcmp(arg, "-Xt") == 0) {
1156 1158 Xamode(ctx->i_ae);
1157 1159 break;
1158 1160 }
1159 1161 if (strcmp(arg, "-Xc") == 0) {
1160 1162 Xcmode(ctx->i_ae);
1161 1163 break;
1162 1164 }
1163 1165 if (strcmp(arg, "-Xs") == 0) {
1164 1166 Xsmode(ctx->i_ae);
1165 1167 break;
1166 1168 }
1167 1169 error(arg);
1168 1170 break;
1169 1171 case 'x':
1170 1172 if (arglen == 1)
1171 1173 error(arg);
1172 1174 switch (arg[2]) {
1173 1175 #if defined(__x86)
1174 1176 case '3':
1175 1177 if (strcmp(arg, "-x386") == 0) {
1176 1178 newae(ctx->i_ae, "-march=i386");
1177 1179 break;
1178 1180 }
1179 1181 error(arg);
1180 1182 break;
1181 1183 case '4':
1182 1184 if (strcmp(arg, "-x486") == 0) {
1183 1185 newae(ctx->i_ae, "-march=i486");
1184 1186 break;
1185 1187 }
1186 1188 error(arg);
1187 1189 break;
1188 1190 #endif /* __x86 */
1189 1191 case 'a':
1190 1192 if (strncmp(arg, "-xarch=", 7) == 0) {
1191 1193 mflag |= xlate_xtb(ctx->i_ae, arg + 7);
1192 1194 break;
1193 1195 }
1194 1196 error(arg);
1195 1197 break;
1196 1198 case 'b':
1197 1199 if (strncmp(arg, "-xbuiltin=", 10) == 0) {
1198 1200 if (strcmp(arg + 10, "%all"))
1199 1201 newae(ctx->i_ae, "-fbuiltin");
1200 1202 break;
1201 1203 }
1202 1204 error(arg);
1203 1205 break;
1204 1206 case 'C':
1205 1207 /* Accept C++ style comments -- ignore */
1206 1208 if (strcmp(arg, "-xCC") == 0)
1207 1209 break;
1208 1210 error(arg);
1209 1211 break;
1210 1212 case 'c':
1211 1213 if (strncmp(arg, "-xc99=%all", 10) == 0) {
1212 1214 newae(ctx->i_ae, "-std=gnu99");
1213 1215 break;
1214 1216 }
1215 1217 if (strncmp(arg, "-xc99=%none", 11) == 0) {
1216 1218 newae(ctx->i_ae, "-std=gnu89");
1217 1219 break;
1218 1220 }
1219 1221 if (strncmp(arg, "-xchip=", 7) == 0) {
1220 1222 xlate(ctx->i_ae, arg + 7, xchip_tbl);
1221 1223 break;
1222 1224 }
1223 1225 if (strncmp(arg, "-xcode=", 7) == 0) {
1224 1226 xlate(ctx->i_ae, arg + 7, xcode_tbl);
1225 1227 if (strncmp(arg + 7, "pic", 3) == 0)
1226 1228 pic = 1;
1227 1229 break;
1228 1230 }
1229 1231 if (strncmp(arg, "-xcache=", 8) == 0)
1230 1232 break;
1231 1233 if (strncmp(arg, "-xcrossfile", 11) == 0)
1232 1234 break;
1233 1235 error(arg);
1234 1236 break;
1235 1237 case 'd':
1236 1238 if (strcmp(arg, "-xdepend") == 0)
1237 1239 break;
1238 1240 if (strncmp(arg, "-xdebugformat=", 14) == 0)
1239 1241 break;
1240 1242 error(arg);
1241 1243 break;
1242 1244 case 'F':
1243 1245 /*
1244 1246 * Compile for mapfile reordering, or unused
1245 1247 * section elimination, syntax can be -xF or
1246 1248 * more complex, like -xF=%all -- ignore.
1247 1249 */
1248 1250 if (strncmp(arg, "-xF", 3) == 0)
1249 1251 break;
1250 1252 error(arg);
1251 1253 break;
1252 1254 case 'i':
1253 1255 if (strncmp(arg, "-xinline", 8) == 0)
1254 1256 /* No inlining; ignore */
1255 1257 break;
1256 1258 if (strcmp(arg, "-xildon") == 0 ||
1257 1259 strcmp(arg, "-xildoff") == 0)
1258 1260 /* No incremental linking; ignore */
1259 1261 break;
1260 1262 error(arg);
1261 1263 break;
1262 1264 #if defined(__x86)
1263 1265 case 'm':
1264 1266 if (strcmp(arg, "-xmodel=kernel") == 0) {
1265 1267 newae(ctx->i_ae, "-ffreestanding");
1266 1268 newae(ctx->i_ae, "-mno-red-zone");
1267 1269 model = "-mcmodel=kernel";
1268 1270 nolibc = 1;
1269 1271 break;
1270 1272 }
1271 1273 error(arg);
1272 1274 break;
1273 1275 #endif /* __x86 */
1274 1276 case 'M':
1275 1277 if (strcmp(arg, "-xM") == 0) {
1276 1278 newae(ctx->i_ae, "-M");
1277 1279 break;
1278 1280 }
1279 1281 if (strcmp(arg, "-xM1") == 0) {
1280 1282 newae(ctx->i_ae, "-MM");
1281 1283 break;
1282 1284 }
1283 1285 error(arg);
1284 1286 break;
1285 1287 case 'n':
1286 1288 if (strcmp(arg, "-xnolib") == 0) {
1287 1289 nolibc = 1;
1288 1290 break;
1289 1291 }
1290 1292 error(arg);
1291 1293 break;
1292 1294 case 'O':
1293 1295 if (strncmp(arg, "-xO", 3) == 0) {
1294 1296 size_t len = strlen(arg);
1295 1297 char *s;
1296 1298 int c = *(arg + 3);
1297 1299 int level;
1298 1300
1299 1301 if (len != 4 || !isdigit(c))
1300 1302 error(arg);
1301 1303
1302 1304 if ((s = malloc(len)) == NULL)
1303 1305 nomem();
1304 1306
1305 1307 level = atoi(arg + 3);
1306 1308 if (level > 5)
1307 1309 error(arg);
1308 1310 if (level >= 2) {
1309 1311 /*
1310 1312 * For gcc-3.4.x at -O2 we
1311 1313 * need to disable optimizations
1312 1314 * that break ON.
1313 1315 */
1314 1316 optim_disable(ctx->i_ae, level);
1315 1317 /*
1316 1318 * limit -xO3 to -O2 as well.
1317 1319 */
1318 1320 level = 2;
1319 1321 }
1320 1322 (void) snprintf(s, len, "-O%d", level);
1321 1323 newae(ctx->i_ae, s);
1322 1324 free(s);
1323 1325 break;
1324 1326 }
1325 1327 error(arg);
1326 1328 break;
1327 1329 case 'p':
1328 1330 if (strcmp(arg, "-xpentium") == 0) {
1329 1331 newae(ctx->i_ae, "-march=pentium");
1330 1332 break;
1331 1333 }
1332 1334 if (strcmp(arg, "-xpg") == 0) {
1333 1335 newae(ctx->i_ae, "-pg");
1334 1336 break;
1335 1337 }
1336 1338 error(arg);
1337 1339 break;
1338 1340 case 'r':
1339 1341 if (strncmp(arg, "-xregs=", 7) == 0) {
1340 1342 xlate(ctx->i_ae, arg + 7, xregs_tbl);
1341 1343 break;
1342 1344 }
1343 1345 error(arg);
1344 1346 break;
1345 1347 case 's':
1346 1348 if (strcmp(arg, "-xs") == 0 ||
1347 1349 strcmp(arg, "-xspace") == 0 ||
1348 1350 strcmp(arg, "-xstrconst") == 0)
1349 1351 break;
1350 1352 error(arg);
1351 1353 break;
1352 1354 case 't':
1353 1355 if (strcmp(arg, "-xtransition") == 0) {
1354 1356 newae(ctx->i_ae, "-Wtransition");
1355 1357 break;
1356 1358 }
1357 1359 if (strcmp(arg, "-xtrigraphs=yes") == 0) {
1358 1360 newae(ctx->i_ae, "-trigraphs");
1359 1361 break;
1360 1362 }
1361 1363 if (strcmp(arg, "-xtrigraphs=no") == 0) {
1362 1364 newae(ctx->i_ae, "-notrigraphs");
1363 1365 break;
1364 1366 }
1365 1367 if (strncmp(arg, "-xtarget=", 9) == 0) {
1366 1368 xlate(ctx->i_ae, arg + 9, xtarget_tbl);
1367 1369 break;
1368 1370 }
1369 1371 error(arg);
1370 1372 break;
1371 1373 case 'e':
1372 1374 case 'h':
1373 1375 case 'l':
1374 1376 default:
1375 1377 error(arg);
1376 1378 break;
1377 1379 }
1378 1380 break;
1379 1381 case 'Y':
1380 1382 if (arglen == 1) {
1381 1383 if ((arg = *++ctx->i_oldargv) == NULL ||
1382 1384 *arg == '\0')
1383 1385 error("-Y");
1384 1386 ctx->i_oldargc--;
1385 1387 arglen = strlen(arg + 1);
1386 1388 } else {
1387 1389 arg += 2;
1388 1390 }
1389 1391 /* Just ignore -YS,... for now */
1390 1392 if (strncmp(arg, "S,", 2) == 0)
1391 1393 break;
1392 1394 if (strncmp(arg, "l,", 2) == 0) {
1393 1395 char *s = strdup(arg);
1394 1396 s[0] = '-';
1395 1397 s[1] = 'B';
1396 1398 newae(ctx->i_ae, s);
1397 1399 free(s);
1398 1400 break;
1399 1401 }
1400 1402 if (strncmp(arg, "I,", 2) == 0) {
1401 1403 char *s = strdup(arg);
1402 1404 s[0] = '-';
1403 1405 s[1] = 'I';
1404 1406 newae(ctx->i_ae, "-nostdinc");
1405 1407 newae(ctx->i_ae, s);
1406 1408 free(s);
1407 1409 break;
1408 1410 }
1409 1411 error(arg);
1410 1412 break;
1411 1413 case 'Q':
1412 1414 /*
1413 1415 * We could map -Qy into -Wl,-Qy etc.
1414 1416 */
1415 1417 default:
1416 1418 error(arg);
1417 1419 break;
1418 1420 }
1419 1421 }
1420 1422
1421 1423 if (c_files > 1 && (ctx->i_flags & CW_F_SHADOW) &&
1422 1424 op != CW_O_PREPROCESS) {
1423 1425 (void) fprintf(stderr, "%s: error: multiple source files are "
1424 1426 "allowed only with -E or -P\n", progname);
1425 1427 exit(2);
1426 1428 }
1427 1429
1428 1430 /*
1429 1431 * Make sure that we do not have any unintended interactions between
1430 1432 * the xarch options passed in and the version of the Studio compiler
1431 1433 * used.
1432 1434 */
1433 1435 if ((mflag & (SS11|SS12)) == (SS11|SS12)) {
1434 1436 (void) fprintf(stderr,
1435 1437 "Conflicting \"-xarch=\" flags (both Studio 11 and 12)\n");
1436 1438 exit(2);
1437 1439 }
1438 1440
1439 1441 switch (mflag) {
1440 1442 case 0:
1441 1443 /* FALLTHROUGH */
1442 1444 case M32:
1443 1445 #if defined(__sparc)
1444 1446 /*
1445 1447 * Only -m32 is defined and so put in the missing xarch
1446 1448 * translation.
1447 1449 */
1448 1450 newae(ctx->i_ae, "-mcpu=v8");
1449 1451 newae(ctx->i_ae, "-mno-v8plus");
1450 1452 #endif
1451 1453 break;
1452 1454 case M64:
1453 1455 #if defined(__sparc)
1454 1456 /*
1455 1457 * Only -m64 is defined and so put in the missing xarch
1456 1458 * translation.
1457 1459 */
1458 1460 newae(ctx->i_ae, "-mcpu=v9");
1459 1461 #endif
1460 1462 break;
1461 1463 case SS12:
1462 1464 #if defined(__sparc)
1463 1465 /* no -m32/-m64 flag used - this is an error for sparc builds */
1464 1466 (void) fprintf(stderr, "No -m32/-m64 flag defined\n");
1465 1467 exit(2);
1466 1468 #endif
1467 1469 break;
1468 1470 case SS11:
1469 1471 /* FALLTHROUGH */
1470 1472 case (SS11|M32):
1471 1473 case (SS11|M64):
1472 1474 break;
1473 1475 case (SS12|M32):
1474 1476 #if defined(__sparc)
1475 1477 /*
1476 1478 * Need to add in further 32 bit options because with SS12
1477 1479 * the xarch=sparcvis option can be applied to 32 or 64
1478 1480 * bit, and so the translatation table (xtbl) cannot handle
1479 1481 * that.
1480 1482 */
1481 1483 newae(ctx->i_ae, "-mv8plus");
1482 1484 #endif
1483 1485 break;
1484 1486 case (SS12|M64):
1485 1487 break;
1486 1488 default:
1487 1489 (void) fprintf(stderr,
1488 1490 "Incompatible -xarch= and/or -m32/-m64 options used.\n");
1489 1491 exit(2);
1490 1492 }
1491 1493 if (op == CW_O_LINK && (ctx->i_flags & CW_F_SHADOW))
1492 1494 exit(0);
1493 1495
1494 1496 if (model && !pic)
1495 1497 newae(ctx->i_ae, model);
1496 1498 if (!nolibc)
1497 1499 newae(ctx->i_ae, "-lc");
1498 1500 if (!seen_o && (ctx->i_flags & CW_F_SHADOW)) {
1499 1501 newae(ctx->i_ae, "-o");
1500 1502 newae(ctx->i_ae, ctx->i_discard);
1501 1503 }
1502 1504 }
1503 1505
1504 1506 static void
1505 1507 do_cc(cw_ictx_t *ctx)
1506 1508 {
1507 1509 int in_output = 0, seen_o = 0;
1508 1510 cw_op_t op = CW_O_LINK;
1509 1511
1510 1512 if (ctx->i_flags & CW_F_PROG) {
1511 1513 newae(ctx->i_ae, "-V");
1512 1514 return;
1513 1515 }
1514 1516
1515 1517 while (--ctx->i_oldargc > 0) {
1516 1518 char *arg = *++ctx->i_oldargv;
1517 1519
1518 1520 if (*arg != '-') {
1519 1521 if (in_output == 0 || !(ctx->i_flags & CW_F_SHADOW)) {
1520 1522 newae(ctx->i_ae, arg);
1521 1523 } else {
1522 1524 in_output = 0;
1523 1525 newae(ctx->i_ae, ctx->i_discard);
1524 1526 }
1525 1527 continue;
1526 1528 }
1527 1529 switch (*(arg + 1)) {
1528 1530 case '_':
1529 1531 if (strcmp(arg, "-_noecho") == 0) {
1530 1532 ctx->i_flags &= ~CW_F_ECHO;
1531 1533 } else if (strncmp(arg, "-_cc=", 5) == 0 ||
1532 1534 strncmp(arg, "-_CC=", 5) == 0) {
1533 1535 newae(ctx->i_ae, arg + 5);
1534 1536 } else if (strncmp(arg, "-_gcc=", 6) != 0 &&
1535 1537 strncmp(arg, "-_g++=", 6) != 0) {
1536 1538 (void) fprintf(stderr,
1537 1539 "%s: invalid argument '%s'\n", progname,
1538 1540 arg);
1539 1541 exit(2);
1540 1542 }
1541 1543 break;
1542 1544 case 'V':
1543 1545 ctx->i_flags &= ~CW_F_ECHO;
1544 1546 newae(ctx->i_ae, arg);
1545 1547 break;
1546 1548 case 'o':
1547 1549 seen_o = 1;
1548 1550 if (strlen(arg) == 2) {
1549 1551 in_output = 1;
1550 1552 newae(ctx->i_ae, arg);
1551 1553 } else if (ctx->i_flags & CW_F_SHADOW) {
1552 1554 newae(ctx->i_ae, "-o");
1553 1555 newae(ctx->i_ae, ctx->i_discard);
1554 1556 } else {
1555 1557 newae(ctx->i_ae, arg);
1556 1558 }
1557 1559 break;
1558 1560 case 'c':
1559 1561 case 'S':
1560 1562 if (strlen(arg) == 2)
1561 1563 op = CW_O_COMPILE;
1562 1564 newae(ctx->i_ae, arg);
1563 1565 break;
1564 1566 case 'E':
1565 1567 case 'P':
1566 1568 if (strlen(arg) == 2)
1567 1569 op = CW_O_PREPROCESS;
1568 1570 /*FALLTHROUGH*/
1569 1571 default:
1570 1572 newae(ctx->i_ae, arg);
1571 1573 }
1572 1574 }
1573 1575
1574 1576 if ((op == CW_O_LINK || op == CW_O_PREPROCESS) &&
1575 1577 (ctx->i_flags & CW_F_SHADOW))
1576 1578 exit(0);
1577 1579
1578 1580 if (!seen_o && (ctx->i_flags & CW_F_SHADOW)) {
1579 1581 newae(ctx->i_ae, "-o");
1580 1582 newae(ctx->i_ae, ctx->i_discard);
1581 1583 }
1582 1584 }
1583 1585
1584 1586 static void
1585 1587 prepctx(cw_ictx_t *ctx)
1586 1588 {
1587 1589 const char *dir = NULL, *cmd;
1588 1590 char *program = NULL;
1589 1591 size_t len;
1590 1592
1591 1593 switch (CIDX(CC(ctx), ctx->i_flags)) {
1592 1594 case CIDX(CW_C_CC, 0):
1593 1595 program = getenv("CW_CC");
1594 1596 dir = getenv("CW_CC_DIR");
1595 1597 break;
1596 1598 case CIDX(CW_C_CC, CW_F_CXX):
1597 1599 program = getenv("CW_CPLUSPLUS");
1598 1600 dir = getenv("CW_CPLUSPLUS_DIR");
1599 1601 break;
1600 1602 case CIDX(CW_C_GCC, 0):
1601 1603 program = getenv("CW_GCC");
1602 1604 dir = getenv("CW_GCC_DIR");
1603 1605 break;
1604 1606 case CIDX(CW_C_GCC, CW_F_CXX):
1605 1607 program = getenv("CW_GPLUSPLUS");
1606 1608 dir = getenv("CW_GPLUSPLUS_DIR");
1607 1609 break;
1608 1610 }
1609 1611
1610 1612 if (program == NULL) {
1611 1613 if (dir == NULL)
1612 1614 dir = default_dir[CC(ctx)];
1613 1615 cmd = cmds[CIDX(CC(ctx), ctx->i_flags)];
1614 1616 len = strlen(dir) + strlen(cmd) + 2;
1615 1617 if ((program = malloc(len)) == NULL)
1616 1618 nomem();
1617 1619 (void) snprintf(program, len, "%s/%s", dir, cmd);
1618 1620 }
1619 1621
1620 1622 newae(ctx->i_ae, program);
1621 1623
1622 1624 if (ctx->i_flags & CW_F_PROG) {
1623 1625 (void) printf("%s: %s\n", (ctx->i_flags & CW_F_SHADOW) ?
1624 1626 "shadow" : "primary", program);
1625 1627 (void) fflush(stdout);
1626 1628 }
1627 1629
1628 1630 if (!(ctx->i_flags & CW_F_XLATE))
1629 1631 return;
1630 1632
1631 1633 switch (CC(ctx)) {
1632 1634 case CW_C_CC:
1633 1635 do_cc(ctx);
1634 1636 break;
1635 1637 case CW_C_GCC:
1636 1638 do_gcc(ctx);
1637 1639 break;
1638 1640 }
1639 1641 }
1640 1642
1641 1643 static int
1642 1644 invoke(cw_ictx_t *ctx)
1643 1645 {
1644 1646 char **newargv;
1645 1647 int ac;
1646 1648 struct ae *a;
1647 1649
1648 1650 if ((newargv = calloc(sizeof (*newargv), ctx->i_ae->ael_argc + 1)) ==
1649 1651 NULL)
1650 1652 nomem();
1651 1653
1652 1654 if (ctx->i_flags & CW_F_ECHO)
1653 1655 (void) fprintf(stderr, "+ ");
1654 1656
1655 1657 for (ac = 0, a = ctx->i_ae->ael_head; a; a = a->ae_next, ac++) {
1656 1658 newargv[ac] = a->ae_arg;
1657 1659 if (ctx->i_flags & CW_F_ECHO)
1658 1660 (void) fprintf(stderr, "%s ", a->ae_arg);
1659 1661 if (a == ctx->i_ae->ael_tail)
1660 1662 break;
1661 1663 }
1662 1664
1663 1665 if (ctx->i_flags & CW_F_ECHO) {
1664 1666 (void) fprintf(stderr, "\n");
1665 1667 (void) fflush(stderr);
1666 1668 }
1667 1669
1668 1670 if (!(ctx->i_flags & CW_F_EXEC))
1669 1671 return (0);
1670 1672
1671 1673 /*
1672 1674 * We must fix up the environment here so that the
1673 1675 * dependency files are not trampled by the shadow compiler.
1674 1676 */
1675 1677 if ((ctx->i_flags & CW_F_SHADOW) &&
1676 1678 (unsetenv("SUNPRO_DEPENDENCIES") != 0 ||
1677 1679 unsetenv("DEPENDENCIES_OUTPUT") != 0)) {
1678 1680 (void) fprintf(stderr, "error: environment setup failed: %s\n",
1679 1681 strerror(errno));
1680 1682 return (-1);
1681 1683 }
1682 1684
1683 1685 (void) execv(newargv[0], newargv);
1684 1686 cw_perror("couldn't run %s", newargv[0]);
1685 1687
1686 1688 return (-1);
1687 1689 }
1688 1690
1689 1691 static int
1690 1692 reap(cw_ictx_t *ctx)
1691 1693 {
1692 1694 int status, ret = 0;
1693 1695 char buf[1024];
1694 1696 struct stat s;
1695 1697
1696 1698 /*
1697 1699 * Only wait for one specific child.
1698 1700 */
1699 1701 if (ctx->i_pid <= 0)
1700 1702 return (-1);
1701 1703
1702 1704 do {
1703 1705 if (waitpid(ctx->i_pid, &status, 0) < 0) {
1704 1706 cw_perror("cannot reap child");
1705 1707 return (-1);
1706 1708 }
1707 1709 if (status != 0) {
1708 1710 if (WIFSIGNALED(status)) {
1709 1711 ret = -WTERMSIG(status);
1710 1712 break;
1711 1713 } else if (WIFEXITED(status)) {
1712 1714 ret = WEXITSTATUS(status);
1713 1715 break;
1714 1716 }
1715 1717 }
1716 1718 } while (!WIFEXITED(status) && !WIFSIGNALED(status));
1717 1719
1718 1720 (void) unlink(ctx->i_discard);
1719 1721
1720 1722 if (stat(ctx->i_stderr, &s) < 0) {
1721 1723 cw_perror("stat failed on child cleanup");
1722 1724 return (-1);
1723 1725 }
1724 1726 if (s.st_size != 0) {
1725 1727 FILE *f;
1726 1728
1727 1729 if ((f = fopen(ctx->i_stderr, "r")) != NULL) {
1728 1730 while (fgets(buf, sizeof (buf), f))
1729 1731 (void) fprintf(stderr, "%s", buf);
1730 1732 (void) fflush(stderr);
1731 1733 (void) fclose(f);
1732 1734 }
1733 1735 }
1734 1736 (void) unlink(ctx->i_stderr);
1735 1737 free(ctx->i_stderr);
1736 1738
1737 1739 /*
1738 1740 * cc returns an error code when given -V; we want that to succeed.
1739 1741 */
1740 1742 if (ctx->i_flags & CW_F_PROG)
1741 1743 return (0);
1742 1744
1743 1745 return (ret);
1744 1746 }
1745 1747
1746 1748 static int
1747 1749 exec_ctx(cw_ictx_t *ctx, int block)
1748 1750 {
1749 1751 char *file;
1750 1752
1751 1753 /*
1752 1754 * To avoid offending cc's sensibilities, the name of its output
1753 1755 * file must end in '.o'.
1754 1756 */
1755 1757 if ((file = tempnam(NULL, ".cw")) == NULL) {
1756 1758 nomem();
1757 1759 return (-1);
1758 1760 }
1759 1761 (void) strlcpy(ctx->i_discard, file, MAXPATHLEN);
1760 1762 (void) strlcat(ctx->i_discard, ".o", MAXPATHLEN);
1761 1763 free(file);
1762 1764
1763 1765 if ((ctx->i_stderr = tempnam(NULL, ".cw")) == NULL) {
1764 1766 nomem();
1765 1767 return (-1);
1766 1768 }
1767 1769
1768 1770 if ((ctx->i_pid = fork()) == 0) {
1769 1771 int fd;
1770 1772
1771 1773 (void) fclose(stderr);
1772 1774 if ((fd = open(ctx->i_stderr, O_WRONLY | O_CREAT | O_EXCL,
1773 1775 0666)) < 0) {
1774 1776 cw_perror("open failed for standard error");
1775 1777 exit(1);
1776 1778 }
1777 1779 if (dup2(fd, 2) < 0) {
1778 1780 cw_perror("dup2 failed for standard error");
1779 1781 exit(1);
1780 1782 }
1781 1783 if (fd != 2)
1782 1784 (void) close(fd);
1783 1785 if (freopen("/dev/fd/2", "w", stderr) == NULL) {
1784 1786 cw_perror("freopen failed for /dev/fd/2");
1785 1787 exit(1);
1786 1788 }
1787 1789 prepctx(ctx);
1788 1790 exit(invoke(ctx));
1789 1791 }
1790 1792
1791 1793 if (ctx->i_pid < 0) {
1792 1794 cw_perror("fork failed");
1793 1795 return (1);
1794 1796 }
1795 1797
1796 1798 if (block)
1797 1799 return (reap(ctx));
1798 1800
1799 1801 return (0);
1800 1802 }
1801 1803
1802 1804 int
1803 1805 main(int argc, char **argv)
1804 1806 {
1805 1807 cw_ictx_t *ctx = newictx();
1806 1808 cw_ictx_t *ctx_shadow = newictx();
1807 1809 const char *dir;
1808 1810 int do_serial, do_shadow;
1809 1811 int ret = 0;
1810 1812
1811 1813 if ((progname = strrchr(argv[0], '/')) == NULL)
1812 1814 progname = argv[0];
1813 1815 else
1814 1816 progname++;
1815 1817
1816 1818 if (ctx == NULL || ctx_shadow == NULL)
1817 1819 nomem();
1818 1820
1819 1821 ctx->i_flags = CW_F_ECHO|CW_F_XLATE;
1820 1822
1821 1823 /*
1822 1824 * Figure out where to get our tools from. This depends on
1823 1825 * the environment variables set at run time.
1824 1826 */
1825 1827 if ((dir = getenv("SPRO_VROOT")) != NULL) {
1826 1828 (void) snprintf(default_dir[CW_C_CC], MAXPATHLEN,
1827 1829 "%s/bin", dir);
1828 1830 } else if ((dir = getenv("SPRO_ROOT")) != NULL) {
1829 1831 (void) snprintf(default_dir[CW_C_CC], MAXPATHLEN,
1830 1832 "%s/SS12/bin", dir);
1831 1833 } else if ((dir = getenv("BUILD_TOOLS")) != NULL) {
1832 1834 (void) snprintf(default_dir[CW_C_CC], MAXPATHLEN,
1833 1835 "%s/SUNWspro/SS12/bin", dir);
1834 1836 }
1835 1837
1836 1838 if ((dir = getenv("GCC_ROOT")) != NULL) {
1837 1839 (void) snprintf(default_dir[CW_C_GCC], MAXPATHLEN,
1838 1840 "%s/bin", dir);
1839 1841 }
1840 1842
1841 1843 do_shadow = (getenv("CW_NO_SHADOW") ? 0 : 1);
1842 1844 do_serial = (getenv("CW_SHADOW_SERIAL") ? 1 : 0);
1843 1845
1844 1846 if (getenv("CW_NO_EXEC") == NULL)
1845 1847 ctx->i_flags |= CW_F_EXEC;
1846 1848
1847 1849 /*
1848 1850 * The first argument must be one of "-_cc", "-_gcc", "-_CC", or "-_g++"
1849 1851 */
1850 1852 if (argc == 1)
1851 1853 usage();
1852 1854 argc--;
1853 1855 argv++;
1854 1856 if (strcmp(argv[0], "-_cc") == 0) {
1855 1857 ctx->i_compiler = CW_C_CC;
1856 1858 } else if (strcmp(argv[0], "-_gcc") == 0) {
1857 1859 ctx->i_compiler = CW_C_GCC;
1858 1860 } else if (strcmp(argv[0], "-_CC") == 0) {
1859 1861 ctx->i_compiler = CW_C_CC;
1860 1862 ctx->i_flags |= CW_F_CXX;
1861 1863 } else if (strcmp(argv[0], "-_g++") == 0) {
1862 1864 ctx->i_compiler = CW_C_GCC;
1863 1865 ctx->i_flags |= CW_F_CXX;
1864 1866 } else {
1865 1867 /* assume "-_gcc" by default */
1866 1868 argc++;
1867 1869 argv--;
1868 1870 ctx->i_compiler = CW_C_GCC;
1869 1871 }
1870 1872
1871 1873 /*
1872 1874 * -_compiler - tell us the path to the primary compiler only
1873 1875 */
1874 1876 if (argc > 1 && strcmp(argv[1], "-_compiler") == 0) {
1875 1877 ctx->i_flags &= ~CW_F_XLATE;
1876 1878 prepctx(ctx);
1877 1879 (void) printf("%s\n", ctx->i_ae->ael_head->ae_arg);
1878 1880 return (0);
1879 1881 }
1880 1882
1881 1883 /*
1882 1884 * -_versions - tell us the cw version, paths to all compilers, and
1883 1885 * ask each for its version if we know how.
1884 1886 */
1885 1887 if (argc > 1 && strcmp(argv[1], "-_versions") == 0) {
1886 1888 (void) printf("cw version %s", CW_VERSION);
1887 1889 if (!do_shadow)
1888 1890 (void) printf(" (SHADOW MODE DISABLED)");
1889 1891 (void) printf("\n");
1890 1892 (void) fflush(stdout);
1891 1893 ctx->i_flags &= ~CW_F_ECHO;
1892 1894 ctx->i_flags |= CW_F_PROG|CW_F_EXEC;
1893 1895 argc--;
1894 1896 argv++;
1895 1897 do_serial = 1;
1896 1898 }
1897 1899
1898 1900 ctx->i_oldargc = argc;
1899 1901 ctx->i_oldargv = argv;
1900 1902
1901 1903 ret |= exec_ctx(ctx, do_serial);
1902 1904
1903 1905 if (do_shadow) {
1904 1906 (void) memcpy(ctx_shadow, ctx, sizeof (cw_ictx_t));
1905 1907 ctx_shadow->i_flags |= CW_F_SHADOW;
1906 1908 ret |= exec_ctx(ctx_shadow, 1);
1907 1909 }
1908 1910
1909 1911 if (!do_serial)
1910 1912 ret |= reap(ctx);
1911 1913
1912 1914 return (ret);
1913 1915 }
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