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