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
nomem(void)460 nomem(void)
461 {
462 (void) fprintf(stderr, "%s: error: out of memory\n", progname);
463 exit(1);
464 }
465
466 static void
cw_perror(const char * fmt,...)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
newae(struct aelist * ael,const char * arg)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 *
newictx(void)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
error(const char * arg)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
warnings(struct aelist * h)522 warnings(struct aelist *h)
523 {
524 static int warningsonce;
525
526 if (warningsonce++)
527 return;
528
529 newae(h, "-Wall");
530 newae(h, "-Wno-unknown-pragmas");
531 newae(h, "-Wno-missing-braces");
532 newae(h, "-Wno-sign-compare");
533 newae(h, "-Wno-parentheses");
534 newae(h, "-Wno-uninitialized");
535 newae(h, "-Wno-implicit-function-declaration");
536 newae(h, "-Wno-unused");
537 newae(h, "-Wno-trigraphs");
538 newae(h, "-Wno-char-subscripts");
539 newae(h, "-Wno-switch");
540 }
541
542 static void
optim_disable(struct aelist * h,int level)543 optim_disable(struct aelist *h, int level)
544 {
545 if (level >= 2) {
546 newae(h, "-fno-strict-aliasing");
547 newae(h, "-fno-unit-at-a-time");
548 newae(h, "-fno-optimize-sibling-calls");
549 }
550 }
551
552 /* ARGSUSED */
553 static void
Xamode(struct aelist * h)554 Xamode(struct aelist *h)
555 {
556 }
557
558 static void
Xcmode(struct aelist * h)559 Xcmode(struct aelist *h)
560 {
561 static int xconce;
562
563 if (xconce++)
564 return;
565
566 newae(h, "-ansi");
567 newae(h, "-pedantic-errors");
568 }
569
570 static void
Xsmode(struct aelist * h)571 Xsmode(struct aelist *h)
572 {
573 static int xsonce;
574
575 if (xsonce++)
576 return;
577
578 newae(h, "-traditional");
579 newae(h, "-traditional-cpp");
580 }
581
582 static void
usage()583 usage()
584 {
585 (void) fprintf(stderr,
586 "usage: %s { -_cc | -_gcc | -_CC | -_g++ } [ -_compiler | ... ]\n",
587 progname);
588 exit(2);
589 }
590
591 static int
xlate_xtb(struct aelist * h,const char * xarg)592 xlate_xtb(struct aelist *h, const char *xarg)
593 {
594 int i, j;
595
596 for (i = 0; i < xtbl_size; i++) {
597 if (strcmp(xtbl[i].x_arg, xarg) == 0)
598 break;
599 }
600
601 /*
602 * At the end of the table and so no matching "arg" entry
603 * found and so this must be a bad -xarch= flag.
604 */
605 if (i == xtbl_size)
606 error(xarg);
607
608 for (j = 0; j < TRANS_ENTRY; j++) {
609 if (xtbl[i].x_trans[j] != NULL)
610 newae(h, xtbl[i].x_trans[j]);
611 else
612 break;
613 }
614 return (xtbl[i].x_flags);
615
616 }
617
618 static void
xlate(struct aelist * h,const char * xarg,const char ** table)619 xlate(struct aelist *h, const char *xarg, const char **table)
620 {
621 while (*table != NULL && strcmp(xarg, *table) != 0) {
622 while (*table != NULL)
623 table++;
624 table++;
625 }
626
627 if (*table == NULL)
628 error(xarg);
629
630 table++;
631
632 while (*table != NULL) {
633 newae(h, *table);
634 table++;
635 }
636 }
637
638 static void
do_gcc(cw_ictx_t * ctx)639 do_gcc(cw_ictx_t *ctx)
640 {
641 int c;
642 int pic = 0, nolibc = 0;
643 int in_output = 0, seen_o = 0, c_files = 0;
644 cw_op_t op = CW_O_LINK;
645 char *model = NULL;
646 int mflag = 0;
647
648 if (ctx->i_flags & CW_F_PROG) {
649 newae(ctx->i_ae, "--version");
650 return;
651 }
652
653 newae(ctx->i_ae, "-fident");
654 newae(ctx->i_ae, "-finline");
655 newae(ctx->i_ae, "-fno-inline-functions");
656 newae(ctx->i_ae, "-fno-builtin");
657 newae(ctx->i_ae, "-fno-asm");
658 newae(ctx->i_ae, "-nodefaultlibs");
659
660 #if defined(__sparc)
661 /*
662 * The SPARC ldd and std instructions require 8-byte alignment of
663 * their address operand. gcc correctly uses them only when the
664 * ABI requires 8-byte alignment; unfortunately we have a number of
665 * pieces of buggy code that doesn't conform to the ABI. This
666 * flag makes gcc work more like Studio with -xmemalign=4.
667 */
668 newae(ctx->i_ae, "-mno-integer-ldd-std");
669 #endif
670
671 /*
672 * This is needed because 'u' is defined
673 * under a conditional on 'sun'. Should
674 * probably just remove the conditional,
675 * or make it be dependent on '__sun'.
676 *
677 * -Dunix is also missing in enhanced ANSI mode
678 */
679 newae(ctx->i_ae, "-D__sun");
680
681 /*
682 * Walk the argument list, translating as we go ..
683 */
684
685 while (--ctx->i_oldargc > 0) {
686 char *arg = *++ctx->i_oldargv;
687 size_t arglen = strlen(arg);
688
689 if (*arg == '-') {
690 arglen--;
691 } else {
692 /*
693 * Discard inline files that gcc doesn't grok
694 */
695 if (!in_output && arglen > 3 &&
696 strcmp(arg + arglen - 3, ".il") == 0)
697 continue;
698
699 if (!in_output && arglen > 2 &&
700 arg[arglen - 2] == '.' &&
701 (arg[arglen - 1] == 'S' || arg[arglen - 1] == 's' ||
702 arg[arglen - 1] == 'c' || arg[arglen - 1] == 'i'))
703 c_files++;
704
705 /*
706 * Otherwise, filenames and partial arguments
707 * are passed through for gcc to chew on. However,
708 * output is always discarded for the secondary
709 * compiler.
710 */
711 if ((ctx->i_flags & CW_F_SHADOW) && in_output)
712 newae(ctx->i_ae, ctx->i_discard);
713 else
714 newae(ctx->i_ae, arg);
715 in_output = 0;
716 continue;
717 }
718
719 if (ctx->i_flags & CW_F_CXX) {
720 if (strncmp(arg, "-compat=", 8) == 0) {
721 /* discard -compat=4 and -compat=5 */
722 continue;
723 }
724 if (strcmp(arg, "-Qoption") == 0) {
725 /* discard -Qoption and its two arguments */
726 if (ctx->i_oldargc < 3)
727 error(arg);
728 ctx->i_oldargc -= 2;
729 ctx->i_oldargv += 2;
730 continue;
731 }
732 if (strcmp(arg, "-xwe") == 0) {
733 /* turn warnings into errors */
734 newae(ctx->i_ae, "-Werror");
735 continue;
736 }
737 if (strcmp(arg, "-noex") == 0) {
738 /* no exceptions */
739 newae(ctx->i_ae, "-fno-exceptions");
740 /* no run time type descriptor information */
741 newae(ctx->i_ae, "-fno-rtti");
742 continue;
743 }
744 if (strcmp(arg, "-pic") == 0) {
745 newae(ctx->i_ae, "-fpic");
746 pic = 1;
747 continue;
748 }
749 if (strcmp(arg, "-PIC") == 0) {
750 newae(ctx->i_ae, "-fPIC");
751 pic = 1;
752 continue;
753 }
754 if (strcmp(arg, "-norunpath") == 0) {
755 /* gcc has no corresponding option */
756 continue;
757 }
758 if (strcmp(arg, "-nolib") == 0) {
759 /* -nodefaultlibs is on by default */
760 nolibc = 1;
761 continue;
762 }
763 #if defined(__sparc)
764 if (strcmp(arg, "-cg92") == 0) {
765 mflag |= xlate_xtb(ctx->i_ae, "v8");
766 xlate(ctx->i_ae, "super", xchip_tbl);
767 continue;
768 }
769 #endif /* __sparc */
770 }
771
772 switch ((c = arg[1])) {
773 case '_':
774 if (strcmp(arg, "-_noecho") == 0)
775 ctx->i_flags &= ~CW_F_ECHO;
776 else if (strncmp(arg, "-_cc=", 5) == 0 ||
777 strncmp(arg, "-_CC=", 5) == 0)
778 /* EMPTY */;
779 else if (strncmp(arg, "-_gcc=", 6) == 0 ||
780 strncmp(arg, "-_g++=", 6) == 0)
781 newae(ctx->i_ae, arg + 6);
782 else
783 error(arg);
784 break;
785 case '#':
786 if (arglen == 1) {
787 newae(ctx->i_ae, "-v");
788 break;
789 }
790 error(arg);
791 break;
792 case 'g':
793 newae(ctx->i_ae, "-gdwarf-2");
794 break;
795 case 'E':
796 if (arglen == 1) {
797 newae(ctx->i_ae, "-xc");
798 newae(ctx->i_ae, arg);
799 op = CW_O_PREPROCESS;
800 nolibc = 1;
801 break;
802 }
803 error(arg);
804 break;
805 case 'c':
806 case 'S':
807 if (arglen == 1) {
808 op = CW_O_COMPILE;
809 nolibc = 1;
810 }
811 /* FALLTHROUGH */
812 case 'C':
813 case 'H':
814 case 'p':
815 if (arglen == 1) {
816 newae(ctx->i_ae, arg);
817 break;
818 }
819 error(arg);
820 break;
821 case 'A':
822 case 'h':
823 case 'I':
824 case 'i':
825 case 'L':
826 case 'l':
827 case 'R':
828 case 'U':
829 case 'u':
830 case 'w':
831 newae(ctx->i_ae, arg);
832 break;
833 case 'o':
834 seen_o = 1;
835 if (arglen == 1) {
836 in_output = 1;
837 newae(ctx->i_ae, arg);
838 } else if (ctx->i_flags & CW_F_SHADOW) {
839 newae(ctx->i_ae, "-o");
840 newae(ctx->i_ae, ctx->i_discard);
841 } else {
842 newae(ctx->i_ae, arg);
843 }
844 break;
845 case 'D':
846 newae(ctx->i_ae, arg);
847 /*
848 * XXX Clearly a hack ... do we need _KADB too?
849 */
850 if (strcmp(arg, "-D_KERNEL") == 0 ||
851 strcmp(arg, "-D_BOOT") == 0)
852 newae(ctx->i_ae, "-ffreestanding");
853 break;
854 case 'd':
855 if (arglen == 2) {
856 if (strcmp(arg, "-dy") == 0) {
857 newae(ctx->i_ae, "-Wl,-dy");
858 break;
859 }
860 if (strcmp(arg, "-dn") == 0) {
861 newae(ctx->i_ae, "-Wl,-dn");
862 break;
863 }
864 }
865 if (strcmp(arg, "-dalign") == 0) {
866 /*
867 * -dalign forces alignment in some cases;
868 * gcc does not need any flag to do this.
869 */
870 break;
871 }
872 error(arg);
873 break;
874 case 'e':
875 if (strcmp(arg,
876 "-erroff=E_EMPTY_TRANSLATION_UNIT") == 0) {
877 /*
878 * Accept but ignore this -- gcc doesn't
879 * seem to complain about empty translation
880 * units
881 */
882 break;
883 }
884 /* XX64 -- ignore all -erroff= options, for now */
885 if (strncmp(arg, "-erroff=", 8) == 0)
886 break;
887 if (strcmp(arg, "-errtags=yes") == 0) {
888 warnings(ctx->i_ae);
889 break;
890 }
891 if (strcmp(arg, "-errwarn=%all") == 0) {
892 newae(ctx->i_ae, "-Werror");
893 break;
894 }
895 error(arg);
896 break;
897 case 'f':
898 if (strcmp(arg, "-flags") == 0) {
899 newae(ctx->i_ae, "--help");
900 break;
901 }
902 if (strncmp(arg, "-features=zla", 13) == 0) {
903 /*
904 * Accept but ignore this -- gcc allows
905 * zero length arrays.
906 */
907 break;
908 }
909 error(arg);
910 break;
911 case 'G':
912 newae(ctx->i_ae, "-shared");
913 nolibc = 1;
914 break;
915 case 'k':
916 if (strcmp(arg, "-keeptmp") == 0) {
917 newae(ctx->i_ae, "-save-temps");
918 break;
919 }
920 error(arg);
921 break;
922 case 'K':
923 if (arglen == 1) {
924 if ((arg = *++ctx->i_oldargv) == NULL ||
925 *arg == '\0')
926 error("-K");
927 ctx->i_oldargc--;
928 } else {
929 arg += 2;
930 }
931 if (strcmp(arg, "pic") == 0) {
932 newae(ctx->i_ae, "-fpic");
933 pic = 1;
934 break;
935 }
936 if (strcmp(arg, "PIC") == 0) {
937 newae(ctx->i_ae, "-fPIC");
938 pic = 1;
939 break;
940 }
941 error("-K");
942 break;
943 case 'm':
944 if (strcmp(arg, "-mt") == 0) {
945 newae(ctx->i_ae, "-D_REENTRANT");
946 break;
947 }
948 if (strcmp(arg, "-m64") == 0) {
949 newae(ctx->i_ae, "-m64");
950 #if defined(__x86)
951 newae(ctx->i_ae, "-mtune=opteron");
952 #endif
953 mflag |= M64;
954 break;
955 }
956 if (strcmp(arg, "-m32") == 0) {
957 newae(ctx->i_ae, "-m32");
958 mflag |= M32;
959 break;
960 }
961 error(arg);
962 break;
963 case 'B': /* linker options */
964 case 'M':
965 case 'z':
966 {
967 char *opt;
968 size_t len;
969 char *s;
970
971 if (arglen == 1) {
972 opt = *++ctx->i_oldargv;
973 if (opt == NULL || *opt == '\0')
974 error(arg);
975 ctx->i_oldargc--;
976 } else {
977 opt = arg + 2;
978 }
979 len = strlen(opt) + 7;
980 if ((s = malloc(len)) == NULL)
981 nomem();
982 (void) snprintf(s, len, "-Wl,-%c%s", c, opt);
983 newae(ctx->i_ae, s);
984 free(s);
985 }
986 break;
987 case 'n':
988 if (strcmp(arg, "-noqueue") == 0) {
989 /*
990 * Horrid license server stuff - n/a
991 */
992 break;
993 }
994 error(arg);
995 break;
996 case 'O':
997 if (arglen == 1) {
998 newae(ctx->i_ae, "-O");
999 break;
1000 }
1001 error(arg);
1002 break;
1003 case 'P':
1004 /*
1005 * We could do '-E -o filename.i', but that's hard,
1006 * and we don't need it for the case that's triggering
1007 * this addition. We'll require the user to specify
1008 * -o in the Makefile. If they don't they'll find out
1009 * in a hurry.
1010 */
1011 newae(ctx->i_ae, "-E");
1012 op = CW_O_PREPROCESS;
1013 nolibc = 1;
1014 break;
1015 case 'q':
1016 if (strcmp(arg, "-qp") == 0) {
1017 newae(ctx->i_ae, "-p");
1018 break;
1019 }
1020 error(arg);
1021 break;
1022 case 's':
1023 if (arglen == 1) {
1024 newae(ctx->i_ae, "-Wl,-s");
1025 break;
1026 }
1027 error(arg);
1028 break;
1029 case 't':
1030 if (arglen == 1) {
1031 newae(ctx->i_ae, "-Wl,-t");
1032 break;
1033 }
1034 error(arg);
1035 break;
1036 case 'V':
1037 if (arglen == 1) {
1038 ctx->i_flags &= ~CW_F_ECHO;
1039 newae(ctx->i_ae, "--version");
1040 break;
1041 }
1042 error(arg);
1043 break;
1044 case 'v':
1045 if (arglen == 1) {
1046 warnings(ctx->i_ae);
1047 break;
1048 }
1049 error(arg);
1050 break;
1051 case 'W':
1052 if (strncmp(arg, "-Wp,-xc99", 9) == 0) {
1053 /*
1054 * gcc's preprocessor will accept c99
1055 * regardless, so accept and ignore.
1056 */
1057 break;
1058 }
1059 if (strncmp(arg, "-Wa,", 4) == 0 ||
1060 strncmp(arg, "-Wp,", 4) == 0 ||
1061 strncmp(arg, "-Wl,", 4) == 0) {
1062 newae(ctx->i_ae, arg);
1063 break;
1064 }
1065 if (strcmp(arg, "-W0,-xc99=pragma") == 0) {
1066 /* (undocumented) enables _Pragma */
1067 break;
1068 }
1069 if (strcmp(arg, "-W0,-xc99=%none") == 0) {
1070 /*
1071 * This is a polite way of saying
1072 * "no c99 constructs allowed!"
1073 * For now, just accept and ignore this.
1074 */
1075 break;
1076 }
1077 if (strcmp(arg, "-W0,-noglobal") == 0 ||
1078 strcmp(arg, "-W0,-xglobalstatic") == 0) {
1079 /*
1080 * gcc doesn't prefix local symbols
1081 * in debug mode, so this is not needed.
1082 */
1083 break;
1084 }
1085 if (strcmp(arg, "-W0,-Lt") == 0) {
1086 /*
1087 * Generate tests at the top of loops.
1088 * There is no direct gcc equivalent, ignore.
1089 */
1090 break;
1091 }
1092 if (strcmp(arg, "-W0,-xdbggen=no%usedonly") == 0) {
1093 newae(ctx->i_ae,
1094 "-fno-eliminate-unused-debug-symbols");
1095 newae(ctx->i_ae,
1096 "-fno-eliminate-unused-debug-types");
1097 break;
1098 }
1099 if (strcmp(arg, "-W2,-xwrap_int") == 0) {
1100 /*
1101 * Use the legacy behaviour (pre-SS11)
1102 * for integer wrapping.
1103 * gcc does not need this.
1104 */
1105 break;
1106 }
1107 if (strcmp(arg, "-W2,-Rcond_elim") == 0) {
1108 /*
1109 * Elimination and expansion of conditionals;
1110 * gcc has no direct equivalent.
1111 */
1112 break;
1113 }
1114 if (strcmp(arg, "-Wd,-xsafe=unboundsym") == 0) {
1115 /*
1116 * Prevents optimizing away checks for
1117 * unbound weak symbol addresses. gcc does
1118 * not do this, so it's not needed.
1119 */
1120 break;
1121 }
1122 if (strncmp(arg, "-Wc,-xcode=", 11) == 0) {
1123 xlate(ctx->i_ae, arg + 11, xcode_tbl);
1124 if (strncmp(arg + 11, "pic", 3) == 0)
1125 pic = 1;
1126 break;
1127 }
1128 if (strncmp(arg, "-Wc,-Qiselect", 13) == 0) {
1129 /*
1130 * Prevents insertion of register symbols.
1131 * gcc doesn't do this, so ignore it.
1132 */
1133 break;
1134 }
1135 if (strcmp(arg, "-Wc,-Qassembler-ounrefsym=0") == 0) {
1136 /*
1137 * Prevents optimizing away of static variables.
1138 * gcc does not do this, so it's not needed.
1139 */
1140 break;
1141 }
1142 #if defined(__x86)
1143 if (strcmp(arg, "-Wu,-no_got_reloc") == 0) {
1144 newae(ctx->i_ae, "-fno-jump-tables");
1145 newae(ctx->i_ae, "-fno-constant-pools");
1146 break;
1147 }
1148 if (strcmp(arg, "-Wu,-xmodel=kernel") == 0) {
1149 newae(ctx->i_ae, "-ffreestanding");
1150 newae(ctx->i_ae, "-mno-red-zone");
1151 model = "-mcmodel=kernel";
1152 nolibc = 1;
1153 break;
1154 }
1155 if (strcmp(arg, "-Wu,-save_args") == 0) {
1156 newae(ctx->i_ae, "-msave-args");
1157 break;
1158 }
1159 #endif /* __x86 */
1160 error(arg);
1161 break;
1162 case 'X':
1163 if (strcmp(arg, "-Xa") == 0 ||
1164 strcmp(arg, "-Xt") == 0) {
1165 Xamode(ctx->i_ae);
1166 break;
1167 }
1168 if (strcmp(arg, "-Xc") == 0) {
1169 Xcmode(ctx->i_ae);
1170 break;
1171 }
1172 if (strcmp(arg, "-Xs") == 0) {
1173 Xsmode(ctx->i_ae);
1174 break;
1175 }
1176 error(arg);
1177 break;
1178 case 'x':
1179 if (arglen == 1)
1180 error(arg);
1181 switch (arg[2]) {
1182 #if defined(__x86)
1183 case '3':
1184 if (strcmp(arg, "-x386") == 0) {
1185 newae(ctx->i_ae, "-march=i386");
1186 break;
1187 }
1188 error(arg);
1189 break;
1190 case '4':
1191 if (strcmp(arg, "-x486") == 0) {
1192 newae(ctx->i_ae, "-march=i486");
1193 break;
1194 }
1195 error(arg);
1196 break;
1197 #endif /* __x86 */
1198 case 'a':
1199 if (strncmp(arg, "-xarch=", 7) == 0) {
1200 mflag |= xlate_xtb(ctx->i_ae, arg + 7);
1201 break;
1202 }
1203 error(arg);
1204 break;
1205 case 'b':
1206 if (strncmp(arg, "-xbuiltin=", 10) == 0) {
1207 if (strcmp(arg + 10, "%all"))
1208 newae(ctx->i_ae, "-fbuiltin");
1209 break;
1210 }
1211 error(arg);
1212 break;
1213 case 'C':
1214 /* Accept C++ style comments -- ignore */
1215 if (strcmp(arg, "-xCC") == 0)
1216 break;
1217 error(arg);
1218 break;
1219 case 'c':
1220 if (strncmp(arg, "-xc99=%all", 10) == 0) {
1221 newae(ctx->i_ae, "-std=gnu99");
1222 break;
1223 }
1224 if (strncmp(arg, "-xc99=%none", 11) == 0) {
1225 newae(ctx->i_ae, "-std=gnu89");
1226 break;
1227 }
1228 if (strncmp(arg, "-xchip=", 7) == 0) {
1229 xlate(ctx->i_ae, arg + 7, xchip_tbl);
1230 break;
1231 }
1232 if (strncmp(arg, "-xcode=", 7) == 0) {
1233 xlate(ctx->i_ae, arg + 7, xcode_tbl);
1234 if (strncmp(arg + 7, "pic", 3) == 0)
1235 pic = 1;
1236 break;
1237 }
1238 if (strncmp(arg, "-xcache=", 8) == 0)
1239 break;
1240 if (strncmp(arg, "-xcrossfile", 11) == 0)
1241 break;
1242 error(arg);
1243 break;
1244 case 'd':
1245 if (strcmp(arg, "-xdepend") == 0)
1246 break;
1247 if (strncmp(arg, "-xdebugformat=", 14) == 0)
1248 break;
1249 error(arg);
1250 break;
1251 case 'F':
1252 /*
1253 * Compile for mapfile reordering, or unused
1254 * section elimination, syntax can be -xF or
1255 * more complex, like -xF=%all -- ignore.
1256 */
1257 if (strncmp(arg, "-xF", 3) == 0)
1258 break;
1259 error(arg);
1260 break;
1261 case 'i':
1262 if (strncmp(arg, "-xinline", 8) == 0)
1263 /* No inlining; ignore */
1264 break;
1265 if (strcmp(arg, "-xildon") == 0 ||
1266 strcmp(arg, "-xildoff") == 0)
1267 /* No incremental linking; ignore */
1268 break;
1269 error(arg);
1270 break;
1271 #if defined(__x86)
1272 case 'm':
1273 if (strcmp(arg, "-xmodel=kernel") == 0) {
1274 newae(ctx->i_ae, "-ffreestanding");
1275 newae(ctx->i_ae, "-mno-red-zone");
1276 model = "-mcmodel=kernel";
1277 nolibc = 1;
1278 break;
1279 }
1280 error(arg);
1281 break;
1282 #endif /* __x86 */
1283 case 'M':
1284 if (strcmp(arg, "-xM") == 0) {
1285 newae(ctx->i_ae, "-M");
1286 break;
1287 }
1288 if (strcmp(arg, "-xM1") == 0) {
1289 newae(ctx->i_ae, "-MM");
1290 break;
1291 }
1292 error(arg);
1293 break;
1294 case 'n':
1295 if (strcmp(arg, "-xnolib") == 0) {
1296 nolibc = 1;
1297 break;
1298 }
1299 error(arg);
1300 break;
1301 case 'O':
1302 if (strncmp(arg, "-xO", 3) == 0) {
1303 size_t len = strlen(arg);
1304 char *s;
1305 int c = *(arg + 3);
1306 int level;
1307
1308 if (len != 4 || !isdigit(c))
1309 error(arg);
1310
1311 if ((s = malloc(len)) == NULL)
1312 nomem();
1313
1314 level = atoi(arg + 3);
1315 if (level > 5)
1316 error(arg);
1317 if (level >= 2) {
1318 /*
1319 * For gcc-3.4.x at -O2 we
1320 * need to disable optimizations
1321 * that break ON.
1322 */
1323 optim_disable(ctx->i_ae, level);
1324 /*
1325 * limit -xO3 to -O2 as well.
1326 */
1327 level = 2;
1328 }
1329 (void) snprintf(s, len, "-O%d", level);
1330 newae(ctx->i_ae, s);
1331 free(s);
1332 break;
1333 }
1334 error(arg);
1335 break;
1336 case 'p':
1337 if (strcmp(arg, "-xpentium") == 0) {
1338 newae(ctx->i_ae, "-march=pentium");
1339 break;
1340 }
1341 if (strcmp(arg, "-xpg") == 0) {
1342 newae(ctx->i_ae, "-pg");
1343 break;
1344 }
1345 error(arg);
1346 break;
1347 case 'r':
1348 if (strncmp(arg, "-xregs=", 7) == 0) {
1349 xlate(ctx->i_ae, arg + 7, xregs_tbl);
1350 break;
1351 }
1352 error(arg);
1353 break;
1354 case 's':
1355 if (strcmp(arg, "-xs") == 0 ||
1356 strcmp(arg, "-xspace") == 0 ||
1357 strcmp(arg, "-xstrconst") == 0)
1358 break;
1359 error(arg);
1360 break;
1361 case 't':
1362 if (strcmp(arg, "-xtransition") == 0) {
1363 newae(ctx->i_ae, "-Wtransition");
1364 break;
1365 }
1366 if (strcmp(arg, "-xtrigraphs=yes") == 0) {
1367 newae(ctx->i_ae, "-trigraphs");
1368 break;
1369 }
1370 if (strcmp(arg, "-xtrigraphs=no") == 0) {
1371 newae(ctx->i_ae, "-notrigraphs");
1372 break;
1373 }
1374 if (strncmp(arg, "-xtarget=", 9) == 0) {
1375 xlate(ctx->i_ae, arg + 9, xtarget_tbl);
1376 break;
1377 }
1378 error(arg);
1379 break;
1380 case 'e':
1381 case 'h':
1382 case 'l':
1383 default:
1384 error(arg);
1385 break;
1386 }
1387 break;
1388 case 'Y':
1389 if (arglen == 1) {
1390 if ((arg = *++ctx->i_oldargv) == NULL ||
1391 *arg == '\0')
1392 error("-Y");
1393 ctx->i_oldargc--;
1394 arglen = strlen(arg + 1);
1395 } else {
1396 arg += 2;
1397 }
1398 /* Just ignore -YS,... for now */
1399 if (strncmp(arg, "S,", 2) == 0)
1400 break;
1401 if (strncmp(arg, "l,", 2) == 0) {
1402 char *s = strdup(arg);
1403 s[0] = '-';
1404 s[1] = 'B';
1405 newae(ctx->i_ae, s);
1406 free(s);
1407 break;
1408 }
1409 if (strncmp(arg, "I,", 2) == 0) {
1410 char *s = strdup(arg);
1411 s[0] = '-';
1412 s[1] = 'I';
1413 newae(ctx->i_ae, "-nostdinc");
1414 newae(ctx->i_ae, s);
1415 free(s);
1416 break;
1417 }
1418 error(arg);
1419 break;
1420 case 'Q':
1421 /*
1422 * We could map -Qy into -Wl,-Qy etc.
1423 */
1424 default:
1425 error(arg);
1426 break;
1427 }
1428 }
1429
1430 if (c_files > 1 && (ctx->i_flags & CW_F_SHADOW) &&
1431 op != CW_O_PREPROCESS) {
1432 (void) fprintf(stderr, "%s: error: multiple source files are "
1433 "allowed only with -E or -P\n", progname);
1434 exit(2);
1435 }
1436
1437 /*
1438 * Make sure that we do not have any unintended interactions between
1439 * the xarch options passed in and the version of the Studio compiler
1440 * used.
1441 */
1442 if ((mflag & (SS11|SS12)) == (SS11|SS12)) {
1443 (void) fprintf(stderr,
1444 "Conflicting \"-xarch=\" flags (both Studio 11 and 12)\n");
1445 exit(2);
1446 }
1447
1448 switch (mflag) {
1449 case 0:
1450 /* FALLTHROUGH */
1451 case M32:
1452 #if defined(__sparc)
1453 /*
1454 * Only -m32 is defined and so put in the missing xarch
1455 * translation.
1456 */
1457 newae(ctx->i_ae, "-mcpu=v8");
1458 newae(ctx->i_ae, "-mno-v8plus");
1459 #endif
1460 break;
1461 case M64:
1462 #if defined(__sparc)
1463 /*
1464 * Only -m64 is defined and so put in the missing xarch
1465 * translation.
1466 */
1467 newae(ctx->i_ae, "-mcpu=v9");
1468 #endif
1469 break;
1470 case SS12:
1471 #if defined(__sparc)
1472 /* no -m32/-m64 flag used - this is an error for sparc builds */
1473 (void) fprintf(stderr, "No -m32/-m64 flag defined\n");
1474 exit(2);
1475 #endif
1476 break;
1477 case SS11:
1478 /* FALLTHROUGH */
1479 case (SS11|M32):
1480 case (SS11|M64):
1481 break;
1482 case (SS12|M32):
1483 #if defined(__sparc)
1484 /*
1485 * Need to add in further 32 bit options because with SS12
1486 * the xarch=sparcvis option can be applied to 32 or 64
1487 * bit, and so the translatation table (xtbl) cannot handle
1488 * that.
1489 */
1490 newae(ctx->i_ae, "-mv8plus");
1491 #endif
1492 break;
1493 case (SS12|M64):
1494 break;
1495 default:
1496 (void) fprintf(stderr,
1497 "Incompatible -xarch= and/or -m32/-m64 options used.\n");
1498 exit(2);
1499 }
1500 if (op == CW_O_LINK && (ctx->i_flags & CW_F_SHADOW))
1501 exit(0);
1502
1503 if (model && !pic)
1504 newae(ctx->i_ae, model);
1505 if (!nolibc)
1506 newae(ctx->i_ae, "-lc");
1507 if (!seen_o && (ctx->i_flags & CW_F_SHADOW)) {
1508 newae(ctx->i_ae, "-o");
1509 newae(ctx->i_ae, ctx->i_discard);
1510 }
1511 }
1512
1513 static void
do_cc(cw_ictx_t * ctx)1514 do_cc(cw_ictx_t *ctx)
1515 {
1516 int in_output = 0, seen_o = 0;
1517 cw_op_t op = CW_O_LINK;
1518
1519 if (ctx->i_flags & CW_F_PROG) {
1520 newae(ctx->i_ae, "-V");
1521 return;
1522 }
1523
1524 while (--ctx->i_oldargc > 0) {
1525 char *arg = *++ctx->i_oldargv;
1526
1527 if (*arg != '-') {
1528 if (in_output == 0 || !(ctx->i_flags & CW_F_SHADOW)) {
1529 newae(ctx->i_ae, arg);
1530 } else {
1531 in_output = 0;
1532 newae(ctx->i_ae, ctx->i_discard);
1533 }
1534 continue;
1535 }
1536 switch (*(arg + 1)) {
1537 case '_':
1538 if (strcmp(arg, "-_noecho") == 0) {
1539 ctx->i_flags &= ~CW_F_ECHO;
1540 } else if (strncmp(arg, "-_cc=", 5) == 0 ||
1541 strncmp(arg, "-_CC=", 5) == 0) {
1542 newae(ctx->i_ae, arg + 5);
1543 } else if (strncmp(arg, "-_gcc=", 6) != 0 &&
1544 strncmp(arg, "-_g++=", 6) != 0) {
1545 (void) fprintf(stderr,
1546 "%s: invalid argument '%s'\n", progname,
1547 arg);
1548 exit(2);
1549 }
1550 break;
1551 case 'V':
1552 ctx->i_flags &= ~CW_F_ECHO;
1553 newae(ctx->i_ae, arg);
1554 break;
1555 case 'o':
1556 seen_o = 1;
1557 if (strlen(arg) == 2) {
1558 in_output = 1;
1559 newae(ctx->i_ae, arg);
1560 } else if (ctx->i_flags & CW_F_SHADOW) {
1561 newae(ctx->i_ae, "-o");
1562 newae(ctx->i_ae, ctx->i_discard);
1563 } else {
1564 newae(ctx->i_ae, arg);
1565 }
1566 break;
1567 case 'c':
1568 case 'S':
1569 if (strlen(arg) == 2)
1570 op = CW_O_COMPILE;
1571 newae(ctx->i_ae, arg);
1572 break;
1573 case 'E':
1574 case 'P':
1575 if (strlen(arg) == 2)
1576 op = CW_O_PREPROCESS;
1577 /*FALLTHROUGH*/
1578 default:
1579 newae(ctx->i_ae, arg);
1580 }
1581 }
1582
1583 if ((op == CW_O_LINK || op == CW_O_PREPROCESS) &&
1584 (ctx->i_flags & CW_F_SHADOW))
1585 exit(0);
1586
1587 if (!seen_o && (ctx->i_flags & CW_F_SHADOW)) {
1588 newae(ctx->i_ae, "-o");
1589 newae(ctx->i_ae, ctx->i_discard);
1590 }
1591 }
1592
1593 static void
prepctx(cw_ictx_t * ctx)1594 prepctx(cw_ictx_t *ctx)
1595 {
1596 const char *dir = NULL, *cmd;
1597 char *program = NULL;
1598 size_t len;
1599
1600 switch (CIDX(CC(ctx), ctx->i_flags)) {
1601 case CIDX(CW_C_CC, 0):
1602 program = getenv("CW_CC");
1603 dir = getenv("CW_CC_DIR");
1604 break;
1605 case CIDX(CW_C_CC, CW_F_CXX):
1606 program = getenv("CW_CPLUSPLUS");
1607 dir = getenv("CW_CPLUSPLUS_DIR");
1608 break;
1609 case CIDX(CW_C_GCC, 0):
1610 program = getenv("CW_GCC");
1611 dir = getenv("CW_GCC_DIR");
1612 break;
1613 case CIDX(CW_C_GCC, CW_F_CXX):
1614 program = getenv("CW_GPLUSPLUS");
1615 dir = getenv("CW_GPLUSPLUS_DIR");
1616 break;
1617 }
1618
1619 if (program == NULL) {
1620 if (dir == NULL)
1621 dir = default_dir[CC(ctx)];
1622 cmd = cmds[CIDX(CC(ctx), ctx->i_flags)];
1623 len = strlen(dir) + strlen(cmd) + 2;
1624 if ((program = malloc(len)) == NULL)
1625 nomem();
1626 (void) snprintf(program, len, "%s/%s", dir, cmd);
1627 }
1628
1629 newae(ctx->i_ae, program);
1630
1631 if (ctx->i_flags & CW_F_PROG) {
1632 (void) printf("%s: %s\n", (ctx->i_flags & CW_F_SHADOW) ?
1633 "shadow" : "primary", program);
1634 (void) fflush(stdout);
1635 }
1636
1637 if (!(ctx->i_flags & CW_F_XLATE))
1638 return;
1639
1640 switch (CC(ctx)) {
1641 case CW_C_CC:
1642 do_cc(ctx);
1643 break;
1644 case CW_C_GCC:
1645 do_gcc(ctx);
1646 break;
1647 }
1648 }
1649
1650 static int
invoke(cw_ictx_t * ctx)1651 invoke(cw_ictx_t *ctx)
1652 {
1653 char **newargv;
1654 int ac;
1655 struct ae *a;
1656
1657 if ((newargv = calloc(sizeof (*newargv), ctx->i_ae->ael_argc + 1)) ==
1658 NULL)
1659 nomem();
1660
1661 if (ctx->i_flags & CW_F_ECHO)
1662 (void) fprintf(stderr, "+ ");
1663
1664 for (ac = 0, a = ctx->i_ae->ael_head; a; a = a->ae_next, ac++) {
1665 newargv[ac] = a->ae_arg;
1666 if (ctx->i_flags & CW_F_ECHO)
1667 (void) fprintf(stderr, "%s ", a->ae_arg);
1668 if (a == ctx->i_ae->ael_tail)
1669 break;
1670 }
1671
1672 if (ctx->i_flags & CW_F_ECHO) {
1673 (void) fprintf(stderr, "\n");
1674 (void) fflush(stderr);
1675 }
1676
1677 if (!(ctx->i_flags & CW_F_EXEC))
1678 return (0);
1679
1680 /*
1681 * We must fix up the environment here so that the
1682 * dependency files are not trampled by the shadow compiler.
1683 */
1684 if ((ctx->i_flags & CW_F_SHADOW) &&
1685 (unsetenv("SUNPRO_DEPENDENCIES") != 0 ||
1686 unsetenv("DEPENDENCIES_OUTPUT") != 0)) {
1687 (void) fprintf(stderr, "error: environment setup failed: %s\n",
1688 strerror(errno));
1689 return (-1);
1690 }
1691
1692 (void) execv(newargv[0], newargv);
1693 cw_perror("couldn't run %s", newargv[0]);
1694
1695 return (-1);
1696 }
1697
1698 static int
reap(cw_ictx_t * ctx)1699 reap(cw_ictx_t *ctx)
1700 {
1701 int status, ret = 0;
1702 char buf[1024];
1703 struct stat s;
1704
1705 /*
1706 * Only wait for one specific child.
1707 */
1708 if (ctx->i_pid <= 0)
1709 return (-1);
1710
1711 do {
1712 if (waitpid(ctx->i_pid, &status, 0) < 0) {
1713 cw_perror("cannot reap child");
1714 return (-1);
1715 }
1716 if (status != 0) {
1717 if (WIFSIGNALED(status)) {
1718 ret = -WTERMSIG(status);
1719 break;
1720 } else if (WIFEXITED(status)) {
1721 ret = WEXITSTATUS(status);
1722 break;
1723 }
1724 }
1725 } while (!WIFEXITED(status) && !WIFSIGNALED(status));
1726
1727 (void) unlink(ctx->i_discard);
1728
1729 if (stat(ctx->i_stderr, &s) < 0) {
1730 cw_perror("stat failed on child cleanup");
1731 return (-1);
1732 }
1733 if (s.st_size != 0) {
1734 FILE *f;
1735
1736 if ((f = fopen(ctx->i_stderr, "r")) != NULL) {
1737 while (fgets(buf, sizeof (buf), f))
1738 (void) fprintf(stderr, "%s", buf);
1739 (void) fflush(stderr);
1740 (void) fclose(f);
1741 }
1742 }
1743 (void) unlink(ctx->i_stderr);
1744 free(ctx->i_stderr);
1745
1746 /*
1747 * cc returns an error code when given -V; we want that to succeed.
1748 */
1749 if (ctx->i_flags & CW_F_PROG)
1750 return (0);
1751
1752 return (ret);
1753 }
1754
1755 static int
exec_ctx(cw_ictx_t * ctx,int block)1756 exec_ctx(cw_ictx_t *ctx, int block)
1757 {
1758 char *file;
1759
1760 /*
1761 * To avoid offending cc's sensibilities, the name of its output
1762 * file must end in '.o'.
1763 */
1764 if ((file = tempnam(NULL, ".cw")) == NULL) {
1765 nomem();
1766 return (-1);
1767 }
1768 (void) strlcpy(ctx->i_discard, file, MAXPATHLEN);
1769 (void) strlcat(ctx->i_discard, ".o", MAXPATHLEN);
1770 free(file);
1771
1772 if ((ctx->i_stderr = tempnam(NULL, ".cw")) == NULL) {
1773 nomem();
1774 return (-1);
1775 }
1776
1777 if ((ctx->i_pid = fork()) == 0) {
1778 int fd;
1779
1780 (void) fclose(stderr);
1781 if ((fd = open(ctx->i_stderr, O_WRONLY | O_CREAT | O_EXCL,
1782 0666)) < 0) {
1783 cw_perror("open failed for standard error");
1784 exit(1);
1785 }
1786 if (dup2(fd, 2) < 0) {
1787 cw_perror("dup2 failed for standard error");
1788 exit(1);
1789 }
1790 if (fd != 2)
1791 (void) close(fd);
1792 if (freopen("/dev/fd/2", "w", stderr) == NULL) {
1793 cw_perror("freopen failed for /dev/fd/2");
1794 exit(1);
1795 }
1796 prepctx(ctx);
1797 exit(invoke(ctx));
1798 }
1799
1800 if (ctx->i_pid < 0) {
1801 cw_perror("fork failed");
1802 return (1);
1803 }
1804
1805 if (block)
1806 return (reap(ctx));
1807
1808 return (0);
1809 }
1810
1811 int
main(int argc,char ** argv)1812 main(int argc, char **argv)
1813 {
1814 cw_ictx_t *ctx = newictx();
1815 cw_ictx_t *ctx_shadow = newictx();
1816 const char *dir;
1817 int do_serial, do_shadow;
1818 int ret = 0;
1819
1820 if ((progname = strrchr(argv[0], '/')) == NULL)
1821 progname = argv[0];
1822 else
1823 progname++;
1824
1825 if (ctx == NULL || ctx_shadow == NULL)
1826 nomem();
1827
1828 ctx->i_flags = CW_F_ECHO|CW_F_XLATE;
1829
1830 /*
1831 * Figure out where to get our tools from. This depends on
1832 * the environment variables set at run time.
1833 */
1834 if ((dir = getenv("SPRO_VROOT")) != NULL) {
1835 (void) snprintf(default_dir[CW_C_CC], MAXPATHLEN,
1836 "%s/bin", dir);
1837 } else if ((dir = getenv("SPRO_ROOT")) != NULL) {
1838 (void) snprintf(default_dir[CW_C_CC], MAXPATHLEN,
1839 "%s/SS12/bin", dir);
1840 } else if ((dir = getenv("BUILD_TOOLS")) != NULL) {
1841 (void) snprintf(default_dir[CW_C_CC], MAXPATHLEN,
1842 "%s/SUNWspro/SS12/bin", dir);
1843 }
1844
1845 if ((dir = getenv("GNU_ROOT")) != NULL) {
1846 (void) snprintf(default_dir[CW_C_GCC], MAXPATHLEN,
1847 "%s/bin", dir);
1848 }
1849
1850 do_shadow = (getenv("CW_NO_SHADOW") ? 0 : 1);
1851 do_serial = (getenv("CW_SHADOW_SERIAL") ? 1 : 0);
1852
1853 if (getenv("CW_NO_EXEC") == NULL)
1854 ctx->i_flags |= CW_F_EXEC;
1855
1856 /*
1857 * The first argument must be one of "-_cc", "-_gcc", "-_CC", or "-_g++"
1858 */
1859 if (argc == 1)
1860 usage();
1861 argc--;
1862 argv++;
1863 if (strcmp(argv[0], "-_cc") == 0) {
1864 ctx->i_compiler = CW_C_CC;
1865 } else if (strcmp(argv[0], "-_gcc") == 0) {
1866 ctx->i_compiler = CW_C_GCC;
1867 } else if (strcmp(argv[0], "-_CC") == 0) {
1868 ctx->i_compiler = CW_C_CC;
1869 ctx->i_flags |= CW_F_CXX;
1870 } else if (strcmp(argv[0], "-_g++") == 0) {
1871 ctx->i_compiler = CW_C_GCC;
1872 ctx->i_flags |= CW_F_CXX;
1873 } else {
1874 /* assume "-_gcc" by default */
1875 argc++;
1876 argv--;
1877 ctx->i_compiler = CW_C_GCC;
1878 }
1879
1880 /*
1881 * -_compiler - tell us the path to the primary compiler only
1882 */
1883 if (argc > 1 && strcmp(argv[1], "-_compiler") == 0) {
1884 ctx->i_flags &= ~CW_F_XLATE;
1885 prepctx(ctx);
1886 (void) printf("%s\n", ctx->i_ae->ael_head->ae_arg);
1887 return (0);
1888 }
1889
1890 /*
1891 * -_versions - tell us the cw version, paths to all compilers, and
1892 * ask each for its version if we know how.
1893 */
1894 if (argc > 1 && strcmp(argv[1], "-_versions") == 0) {
1895 (void) printf("cw version %s", CW_VERSION);
1896 if (!do_shadow)
1897 (void) printf(" (SHADOW MODE DISABLED)");
1898 (void) printf("\n");
1899 (void) fflush(stdout);
1900 ctx->i_flags &= ~CW_F_ECHO;
1901 ctx->i_flags |= CW_F_PROG|CW_F_EXEC;
1902 argc--;
1903 argv++;
1904 do_serial = 1;
1905 }
1906
1907 ctx->i_oldargc = argc;
1908 ctx->i_oldargv = argv;
1909
1910 ret |= exec_ctx(ctx, do_serial);
1911
1912 if (do_shadow) {
1913 (void) memcpy(ctx_shadow, ctx, sizeof (cw_ictx_t));
1914 ctx_shadow->i_flags |= CW_F_SHADOW;
1915 ret |= exec_ctx(ctx_shadow, 1);
1916 }
1917
1918 if (!do_serial)
1919 ret |= reap(ctx);
1920
1921 return (ret);
1922 }
1923