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 2014 Gary Mills
24 *
25 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
26 * Use is subject to license terms.
27 */
28
29 /*
30 * Wrapper for the GNU C compiler to make it accept the Sun C compiler
31 * arguments where possible.
32 *
33 * Since the translation is inexact, this is something of a work-in-progress.
34 *
35 */
36
37 /* If you modify this file, you must increment CW_VERSION */
38 #define CW_VERSION "1.30"
39
40 /*
41 * -# Verbose mode
42 * -### Show compiler commands built by driver, no compilation
43 * -A<name[(tokens)]> Preprocessor predicate assertion
44 * -B<[static|dynamic]> Specify dynamic or static binding
45 * -C Prevent preprocessor from removing comments
46 * -c Compile only - produce .o files, suppress linking
47 * -cg92 Alias for -xtarget=ss1000
48 * -D<name[=token]> Associate name with token as if by #define
49 * -d[y|n] dynamic [-dy] or static [-dn] option to linker
50 * -E Compile source through preprocessor only, output to stdout
51 * -erroff=<t> Suppress warnings specified by tags t(%none, %all, <tag list>)
52 * -errtags=<a> Display messages with tags a(no, yes)
53 * -errwarn=<t> Treats warnings specified by tags t(%none, %all, <tag list>)
54 * as errors
55 * -fast Optimize using a selection of options
56 * -fd Report old-style function definitions and declarations
57 * -features=zla Allow zero-length arrays
58 * -flags Show this summary of compiler options
59 * -fnonstd Initialize floating-point hardware to non-standard preferences
60 * -fns[=<yes|no>] Select non-standard floating point mode
61 * -fprecision=<p> Set FP rounding precision mode p(single, double, extended)
62 * -fround=<r> Select the IEEE rounding mode in effect at startup
63 * -fsimple[=<n>] Select floating-point optimization preferences <n>
64 * -fsingle Use single-precision arithmetic (-Xt and -Xs modes only)
65 * -ftrap=<t> Select floating-point trapping mode in effect at startup
66 * -fstore force floating pt. values to target precision on assignment
67 * -G Build a dynamic shared library
68 * -g Compile for debugging
69 * -H Print path name of each file included during compilation
70 * -h <name> Assign <name> to generated dynamic shared library
71 * -I<dir> Add <dir> to preprocessor #include file search path
72 * -i Passed to linker to ignore any LD_LIBRARY_PATH setting
73 * -keeptmp Keep temporary files created during compilation
74 * -KPIC Compile position independent code with 32-bit addresses
75 * -Kpic Compile position independent code
76 * -L<dir> Pass to linker to add <dir> to the library search path
77 * -l<name> Link with library lib<name>.a or lib<name>.so
78 * -mc Remove duplicate strings from .comment section of output files
79 * -mr Remove all strings from .comment section of output files
80 * -mr,"string" Remove all strings and append "string" to .comment section
81 * -mt Specify options needed when compiling multi-threaded code
82 * -native Find available processor, generate code accordingly
83 * -nofstore Do not force floating pt. values to target precision
84 * on assignment
85 * -nolib Same as -xnolib
86 * -noqueue Disable queuing of compiler license requests
87 * -norunpath Do not build in a runtime path for shared libraries
88 * -O Use default optimization level (-xO2 or -xO3. Check man page.)
89 * -o <outputfile> Set name of output file to <outputfile>
90 * -P Compile source through preprocessor only, output to .i file
91 * -PIC Alias for -KPIC or -xcode=pic32
92 * -p Compile for profiling with prof
93 * -pic Alias for -Kpic or -xcode=pic13
94 * -Q[y|n] Emit/don't emit identification info to output file
95 * -qp Compile for profiling with prof
96 * -R<dir[:dir]> Build runtime search path list into executable
97 * -S Compile and only generate assembly code (.s)
98 * -s Strip symbol table from the executable file
99 * -t Turn off duplicate symbol warnings when linking
100 * -U<name> Delete initial definition of preprocessor symbol <name>
101 * -V Report version number of each compilation phase
102 * -v Do stricter semantic checking
103 * -W<c>,<arg> Pass <arg> to specified component <c> (a,l,m,p,0,2,h,i,u)
104 * -w Suppress compiler warning messages
105 * -Xa Compile assuming ANSI C conformance, allow K & R extensions
106 * (default mode)
107 * -Xc Compile assuming strict ANSI C conformance
108 * -Xs Compile assuming (pre-ANSI) K & R C style code
109 * -Xt Compile assuming K & R conformance, allow ANSI C
110 * -x386 Generate code for the 80386 processor
111 * -x486 Generate code for the 80486 processor
112 * -xarch=<a> Specify target architecture instruction set
113 * -xbuiltin[=<b>] When profitable inline, or substitute intrinisic functions
114 * for system functions, b={%all,%none}
115 * -xCC Accept C++ style comments
116 * -xchar_byte_order=<o> Specify multi-char byte order <o> (default, high, low)
117 * -xchip=<c> Specify the target processor for use by the optimizer
118 * -xcode=<c> Generate different code for forming addresses
119 * -xcrossfile[=<n>] Enable optimization and inlining across source files,
120 * n={0|1}
121 * -xe Perform only syntax/semantic checking, no code generation
122 * -xF Compile for later mapfile reordering or unused section
123 * elimination
124 * -xhelp=<f> Display on-line help information f(flags, readme, errors)
125 * -xildoff Cancel -xildon
126 * -xildon Enable use of the incremental linker, ild
127 * -xinline=[<a>,...,<a>] Attempt inlining of specified user routines,
128 * <a>={%auto,func,no%func}
129 * -xlibmieee Force IEEE 754 return values for math routines in
130 * exceptional cases
131 * -xlibmil Inline selected libm math routines for optimization
132 * -xlic_lib=sunperf Link in the Sun supplied performance libraries
133 * -xlicinfo Show license server information
134 * -xM Generate makefile dependencies
135 * -xM1 Generate makefile dependencies, but exclude /usr/include
136 * -xmaxopt=[off,1,2,3,4,5] maximum optimization level allowed on #pragma opt
137 * -xnolib Do not link with default system libraries
138 * -xnolibmil Cancel -xlibmil on command line
139 * -xO<n> Generate optimized code (n={1|2|3|4|5})
140 * -xP Print prototypes for function definitions
141 * -xpentium Generate code for the pentium processor
142 * -xpg Compile for profiling with gprof
143 * -xprofile=<p> Collect data for a profile or use a profile to optimize
144 * <p>={{collect,use}[:<path>],tcov}
145 * -xregs=<r> Control register allocation
146 * -xs Allow debugging without object (.o) files
147 * -xsb Compile for use with the WorkShop source browser
148 * -xsbfast Generate only WorkShop source browser info, no compilation
149 * -xsfpconst Represent unsuffixed floating point constants as single
150 * precision
151 * -xspace Do not do optimizations that increase code size
152 * -xstrconst Place string literals into read-only data segment
153 * -xtarget=<t> Specify target system for optimization
154 * -xtemp=<dir> Set directory for temporary files to <dir>
155 * -xtime Report the execution time for each compilation phase
156 * -xtransition Emit warnings for differences between K&R C and ANSI C
157 * -xtrigraphs[=<yes|no>] Enable|disable trigraph translation
158 * -xunroll=n Enable unrolling loops n times where possible
159 * -Y<c>,<dir> Specify <dir> for location of component <c> (a,l,m,p,0,h,i,u)
160 * -YA,<dir> Change default directory searched for components
161 * -YI,<dir> Change default directory searched for include files
162 * -YP,<dir> Change default directory for finding libraries files
163 * -YS,<dir> Change default directory for startup object files
164 */
165
166 /*
167 * Translation table:
168 */
169 /*
170 * -# -v
171 * -### error
172 * -A<name[(tokens)]> pass-thru
173 * -B<[static|dynamic]> pass-thru (syntax error for anything else)
174 * -C pass-thru
175 * -c pass-thru
176 * -cg92 -m32 -mcpu=v8 -mtune=supersparc (SPARC only)
177 * -D<name[=token]> pass-thru
178 * -dy or -dn -Wl,-dy or -Wl,-dn
179 * -E pass-thru
180 * -erroff=E_EMPTY_TRANSLATION_UNIT ignore
181 * -errtags=%all -Wall
182 * -errwarn=%all -Werror else -Wno-error
183 * -fast error
184 * -fd error
185 * -features=zla ignore
186 * -flags --help
187 * -fnonstd error
188 * -fns[=<yes|no>] error
189 * -fprecision=<p> error
190 * -fround=<r> error
191 * -fsimple[=<n>] error
192 * -fsingle[=<n>] error
193 * -ftrap=<t> error
194 * -fstore error
195 * -G pass-thru
196 * -g pass-thru
197 * -H pass-thru
198 * -h <name> pass-thru
199 * -I<dir> pass-thru
200 * -i pass-thru
201 * -keeptmp -save-temps
202 * -KPIC -fPIC
203 * -Kpic -fpic
204 * -L<dir> pass-thru
205 * -l<name> pass-thru
206 * -mc error
207 * -mr error
208 * -mr,"string" error
209 * -mt -D_REENTRANT
210 * -native error
211 * -nofstore error
212 * -nolib -nodefaultlibs
213 * -noqueue ignore
214 * -norunpath ignore
215 * -O -O1 (Check the man page to be certain)
216 * -o <outputfile> pass-thru
217 * -P -E -o filename.i (or error)
218 * -PIC -fPIC (C++ only)
219 * -p pass-thru
220 * -pic -fpic (C++ only)
221 * -Q[y|n] error
222 * -qp -p
223 * -R<dir[:dir]> pass-thru
224 * -S pass-thru
225 * -s -Wl,-s
226 * -t -Wl,-t
227 * -U<name> pass-thru
228 * -V --version
229 * -v -Wall
230 * -Wa,<arg> pass-thru
231 * -Wp,<arg> pass-thru except -xc99=<a>
232 * -Wl,<arg> pass-thru
233 * -W{m,0,2,h,i,u> error/ignore
234 * -Wu,-xmodel=kernel -ffreestanding -mcmodel=kernel -mno-red-zone
235 * -xmodel=kernel -ffreestanding -mcmodel=kernel -mno-red-zone
236 * -Wu,-save_args -msave-args
237 * -w pass-thru
238 * -Xa -std=iso9899:199409 or -ansi
239 * -Xc -ansi -pedantic
240 * -Xt error
241 * -Xs -traditional -std=c89
242 * -x386 -march=i386 (x86 only)
243 * -x486 -march=i486 (x86 only)
244 * -xarch=<a> table
245 * -xbuiltin[=<b>] -fbuiltin (-fno-builtin otherwise)
246 * -xCC ignore
247 * -xchar_byte_order=<o> error
248 * -xchip=<c> table
249 * -xcode=<c> table
250 * -xdebugformat=<format> ignore (always use dwarf-2 for gcc)
251 * -xcrossfile[=<n>] ignore
252 * -xe error
253 * -xF error
254 * -xhelp=<f> error
255 * -xildoff ignore
256 * -xildon ignore
257 * -xinline ignore
258 * -xlibmieee error
259 * -xlibmil error
260 * -xlic_lib=sunperf error
261 * -xM -M
262 * -xM1 -MM
263 * -xmaxopt=[...] error
264 * -xnolib -nodefaultlibs
265 * -xnolibmil error
266 * -xO<n> -O<n>
267 * -xP error
268 * -xpentium -march=pentium (x86 only)
269 * -xpg error
270 * -xprofile=<p> error
271 * -xregs=<r> table
272 * -xs error
273 * -xsb error
274 * -xsbfast error
275 * -xsfpconst error
276 * -xspace ignore (-not -Os)
277 * -xstrconst ignore
278 * -xtarget=<t> table
279 * -xtemp=<dir> error
280 * -xtime error
281 * -xtransition -Wtransition
282 * -xtrigraphs=<yes|no> -trigraphs -notrigraphs
283 * -xunroll=n error
284 * -W0,-xdbggen=no%usedonly -fno-eliminate-unused-debug-symbols
285 * -fno-eliminate-unused-debug-types
286 * -Y<c>,<dir> error
287 * -YA,<dir> error
288 * -YI,<dir> -nostdinc -I<dir>
289 * -YP,<dir> error
290 * -YS,<dir> error
291 */
292
293 #include <stdio.h>
294 #include <sys/types.h>
295 #include <unistd.h>
296 #include <string.h>
297 #include <stdlib.h>
298 #include <ctype.h>
299 #include <fcntl.h>
300 #include <errno.h>
301 #include <stdarg.h>
302 #include <sys/utsname.h>
303 #include <sys/param.h>
304 #include <sys/isa_defs.h>
305 #include <sys/wait.h>
306 #include <sys/stat.h>
307
308 #define CW_F_CXX 0x01
309 #define CW_F_SHADOW 0x02
310 #define CW_F_EXEC 0x04
311 #define CW_F_ECHO 0x08
312 #define CW_F_XLATE 0x10
313 #define CW_F_PROG 0x20
314
315 typedef enum cw_compiler {
316 CW_C_CC = 0,
317 CW_C_GCC
318 } cw_compiler_t;
319
320 static const char *cmds[] = {
321 "cc", "CC",
322 "gcc", "g++"
323 };
324
325 static char default_dir[2][MAXPATHLEN] = {
326 DEFAULT_CC_DIR,
327 DEFAULT_GCC_DIR,
328 };
329
330 #define CC(ctx) \
331 (((ctx)->i_flags & CW_F_SHADOW) ? \
332 ((ctx)->i_compiler == CW_C_CC ? CW_C_GCC : CW_C_CC) : \
333 (ctx)->i_compiler)
334
335 #define CIDX(compiler, flags) \
336 ((int)(compiler) << 1) + ((flags) & CW_F_CXX ? 1 : 0)
337
338 typedef enum cw_op {
339 CW_O_NONE = 0,
340 CW_O_PREPROCESS,
341 CW_O_COMPILE,
342 CW_O_LINK
343 } cw_op_t;
344
345 struct aelist {
346 struct ae {
347 struct ae *ae_next;
348 char *ae_arg;
349 } *ael_head, *ael_tail;
350 int ael_argc;
351 };
352
353 typedef struct cw_ictx {
354 cw_compiler_t i_compiler;
355 struct aelist *i_ae;
356 uint32_t i_flags;
357 int i_oldargc;
358 char **i_oldargv;
359 pid_t i_pid;
360 char i_discard[MAXPATHLEN];
361 char *i_stderr;
362 } cw_ictx_t;
363
364 /*
365 * Status values to indicate which Studio compiler and associated
366 * flags are being used.
367 */
368 #define M32 0x01 /* -m32 - only on Studio 12 */
369 #define M64 0x02 /* -m64 - only on Studio 12 */
370 #define SS11 0x100 /* Studio 11 */
371 #define SS12 0x200 /* Studio 12 */
372
373 #define TRANS_ENTRY 5
374 /*
375 * Translation table definition for the -xarch= flag. The "x_arg"
376 * value is translated into the appropriate gcc flags according
377 * to the values in x_trans[n]. The x_flags indicates what compiler
378 * is being used and what flags have been set via the use of
379 * "x_arg".
380 */
381 typedef struct xarch_table {
382 char *x_arg;
383 int x_flags;
384 char *x_trans[TRANS_ENTRY];
385 } xarch_table_t;
386
387 /*
388 * The translation table for the -xarch= flag used in the Studio compilers.
389 */
390 static const xarch_table_t xtbl[] = {
391 #if defined(__x86)
392 { "generic", SS11 },
393 { "generic64", (SS11|M64), { "-m64", "-mtune=opteron" } },
394 { "amd64", (SS11|M64), { "-m64", "-mtune=opteron" } },
395 { "386", SS11, { "-march=i386" } },
396 { "pentium_pro", SS11, { "-march=pentiumpro" } },
397 #elif defined(__sparc)
398 { "generic", (SS11|M32), { "-m32", "-mcpu=v8" } },
399 { "generic64", (SS11|M64), { "-m64", "-mcpu=v9" } },
400 { "v8", (SS11|M32), { "-m32", "-mcpu=v8", "-mno-v8plus" } },
401 { "v8plus", (SS11|M32), { "-m32", "-mcpu=v9", "-mv8plus" } },
402 { "v8plusa", (SS11|M32), { "-m32", "-mcpu=ultrasparc", "-mv8plus",
403 "-mvis" } },
404 { "v8plusb", (SS11|M32), { "-m32", "-mcpu=ultrasparc3", "-mv8plus",
405 "-mvis" } },
406 { "v9", (SS11|M64), { "-m64", "-mcpu=v9" } },
407 { "v9a", (SS11|M64), { "-m64", "-mcpu=ultrasparc", "-mvis" } },
408 { "v9b", (SS11|M64), { "-m64", "-mcpu=ultrasparc3", "-mvis" } },
409 { "sparc", SS12, { "-mcpu=v9", "-mv8plus" } },
410 { "sparcvis", SS12, { "-mcpu=ultrasparc", "-mvis" } },
411 { "sparcvis2", SS12, { "-mcpu=ultrasparc3", "-mvis" } }
412 #endif
413 };
414
415 static int xtbl_size = sizeof (xtbl) / sizeof (xarch_table_t);
416
417 static const char *progname;
418
419 static const char *xchip_tbl[] = {
420 #if defined(__x86)
421 "386", "-mtune=i386", NULL,
422 "486", "-mtune=i486", NULL,
423 "pentium", "-mtune=pentium", NULL,
424 "pentium_pro", "-mtune=pentiumpro", NULL,
425 #elif defined(__sparc)
426 "super", "-mtune=supersparc", NULL,
427 "ultra", "-mtune=ultrasparc", NULL,
428 "ultra3", "-mtune=ultrasparc3", NULL,
429 #endif
430 NULL, NULL
431 };
432
433 static const char *xcode_tbl[] = {
434 #if defined(__sparc)
435 "abs32", "-fno-pic", "-mcmodel=medlow", NULL,
436 "abs44", "-fno-pic", "-mcmodel=medmid", NULL,
437 "abs64", "-fno-pic", "-mcmodel=medany", NULL,
438 "pic13", "-fpic", NULL,
439 "pic32", "-fPIC", NULL,
440 #endif
441 NULL, NULL
442 };
443
444 static const char *xtarget_tbl[] = {
445 #if defined(__x86)
446 "pentium_pro", "-march=pentiumpro", NULL,
447 #endif /* __x86 */
448 NULL, NULL
449 };
450
451 static const char *xregs_tbl[] = {
452 #if defined(__sparc)
453 "appl", "-mapp-regs", NULL,
454 "no%appl", "-mno-app-regs", NULL,
455 "float", "-mfpu", NULL,
456 "no%float", "-mno-fpu", NULL,
457 #endif /* __sparc */
458 NULL, NULL
459 };
460
461 static void
462 nomem(void)
463 {
464 (void) fprintf(stderr, "%s: error: out of memory\n", progname);
465 exit(1);
466 }
467
468 static void
469 cw_perror(const char *fmt, ...)
470 {
471 va_list ap;
472 int saved_errno = errno;
473
474 (void) fprintf(stderr, "%s: error: ", progname);
475
476 va_start(ap, fmt);
477 (void) vfprintf(stderr, fmt, ap);
478 va_end(ap);
479
480 (void) fprintf(stderr, " (%s)\n", strerror(saved_errno));
481 }
482
483 static void
484 newae(struct aelist *ael, const char *arg)
485 {
486 struct ae *ae;
487
488 if ((ae = calloc(sizeof (*ae), 1)) == NULL)
489 nomem();
490 ae->ae_arg = strdup(arg);
491 if (ael->ael_tail == NULL)
492 ael->ael_head = ae;
493 else
494 ael->ael_tail->ae_next = ae;
495 ael->ael_tail = ae;
496 ael->ael_argc++;
497 }
498
499 static cw_ictx_t *
500 newictx(void)
501 {
502 cw_ictx_t *ctx = calloc(sizeof (cw_ictx_t), 1);
503 if (ctx)
504 if ((ctx->i_ae = calloc(sizeof (struct aelist), 1)) == NULL) {
505 free(ctx);
506 return (NULL);
507 }
508
509 return (ctx);
510 }
511
512 static void
513 error(const char *arg)
514 {
515 (void) fprintf(stderr,
516 "%s: error: mapping failed at or near arg '%s'\n", progname, arg);
517 exit(2);
518 }
519
520 /*
521 * Add the current favourite set of warnings to the gcc invocation.
522 */
523 static void
524 warnings(struct aelist *h)
525 {
526 static int warningsonce;
527
528 if (warningsonce++)
529 return;
530
531 /*
532 * Enable as many warnings as exist, then disable those that we never
533 * ever want.
534 */
535 newae(h, "-Wall");
536 newae(h, "-Wextra");
537 }
538
539 /* ARGSUSED */
540 static void
541 Xamode(struct aelist *h)
542 {
543 }
544
545 static void
546 Xcmode(struct aelist *h)
547 {
548 static int xconce;
549
550 if (xconce++)
551 return;
552
553 newae(h, "-ansi");
554 newae(h, "-pedantic-errors");
555 }
556
557 static void
558 Xsmode(struct aelist *h)
559 {
560 static int xsonce;
561
562 if (xsonce++)
563 return;
564
565 newae(h, "-traditional");
566 newae(h, "-traditional-cpp");
567 }
568
569 static void
570 usage()
571 {
572 (void) fprintf(stderr,
573 "usage: %s { -_cc | -_gcc | -_CC | -_g++ } [ -_compiler | ... ]\n",
574 progname);
575 exit(2);
576 }
577
578 static int
579 xlate_xtb(struct aelist *h, const char *xarg)
580 {
581 int i, j;
582
583 for (i = 0; i < xtbl_size; i++) {
584 if (strcmp(xtbl[i].x_arg, xarg) == 0)
585 break;
586 }
587
588 /*
589 * At the end of the table and so no matching "arg" entry
590 * found and so this must be a bad -xarch= flag.
591 */
592 if (i == xtbl_size)
593 error(xarg);
594
595 for (j = 0; j < TRANS_ENTRY; j++) {
596 if (xtbl[i].x_trans[j] != NULL)
597 newae(h, xtbl[i].x_trans[j]);
598 else
599 break;
600 }
601 return (xtbl[i].x_flags);
602
603 }
604
605 static void
606 xlate(struct aelist *h, const char *xarg, const char **table)
607 {
608 while (*table != NULL && strcmp(xarg, *table) != 0) {
609 while (*table != NULL)
610 table++;
611 table++;
612 }
613
614 if (*table == NULL)
615 error(xarg);
616
617 table++;
618
619 while (*table != NULL) {
620 newae(h, *table);
621 table++;
622 }
623 }
624
625 static void
626 do_gcc(cw_ictx_t *ctx)
627 {
628 int c;
629 int pic = 0, nolibc = 0;
630 int in_output = 0, seen_o = 0, c_files = 0;
631 cw_op_t op = CW_O_LINK;
632 char *model = NULL;
633 int mflag = 0;
634
635 if (ctx->i_flags & CW_F_PROG) {
636 newae(ctx->i_ae, "--version");
637 return;
638 }
639
640 newae(ctx->i_ae, "-fident");
641 newae(ctx->i_ae, "-finline");
642 newae(ctx->i_ae, "-fno-inline-functions");
643 newae(ctx->i_ae, "-fno-builtin");
644 newae(ctx->i_ae, "-fno-asm");
645 newae(ctx->i_ae, "-fdiagnostics-show-option");
646 newae(ctx->i_ae, "-nodefaultlibs");
647
648 #if defined(__sparc)
649 /*
650 * The SPARC ldd and std instructions require 8-byte alignment of
651 * their address operand. gcc correctly uses them only when the
652 * ABI requires 8-byte alignment; unfortunately we have a number of
653 * pieces of buggy code that doesn't conform to the ABI. This
654 * flag makes gcc work more like Studio with -xmemalign=4.
655 */
656 newae(ctx->i_ae, "-mno-integer-ldd-std");
657 #endif
658
659 /*
660 * This is needed because 'u' is defined
661 * under a conditional on 'sun'. Should
662 * probably just remove the conditional,
663 * or make it be dependent on '__sun'.
664 *
665 * -Dunix is also missing in enhanced ANSI mode
666 */
667 newae(ctx->i_ae, "-D__sun");
668
669 /*
670 * Walk the argument list, translating as we go ..
671 */
672
673 while (--ctx->i_oldargc > 0) {
674 char *arg = *++ctx->i_oldargv;
675 size_t arglen = strlen(arg);
676
677 if (*arg == '-') {
678 arglen--;
679 } else {
680 /*
681 * Discard inline files that gcc doesn't grok
682 */
683 if (!in_output && arglen > 3 &&
684 strcmp(arg + arglen - 3, ".il") == 0)
685 continue;
686
687 if (!in_output && arglen > 2 &&
688 arg[arglen - 2] == '.' &&
689 (arg[arglen - 1] == 'S' || arg[arglen - 1] == 's' ||
690 arg[arglen - 1] == 'c' || arg[arglen - 1] == 'i'))
691 c_files++;
692
693 /*
694 * Otherwise, filenames and partial arguments
695 * are passed through for gcc to chew on. However,
696 * output is always discarded for the secondary
697 * compiler.
698 */
699 if ((ctx->i_flags & CW_F_SHADOW) && in_output)
700 newae(ctx->i_ae, ctx->i_discard);
701 else
702 newae(ctx->i_ae, arg);
703 in_output = 0;
704 continue;
705 }
706
707 if (ctx->i_flags & CW_F_CXX) {
708 if (strncmp(arg, "-compat=", 8) == 0) {
709 /* discard -compat=4 and -compat=5 */
710 continue;
711 }
712 if (strcmp(arg, "-Qoption") == 0) {
713 /* discard -Qoption and its two arguments */
714 if (ctx->i_oldargc < 3)
715 error(arg);
716 ctx->i_oldargc -= 2;
717 ctx->i_oldargv += 2;
718 continue;
719 }
720 if (strcmp(arg, "-xwe") == 0) {
721 /* turn warnings into errors */
722 newae(ctx->i_ae, "-Werror");
723 continue;
724 }
725 if (strcmp(arg, "-noex") == 0) {
726 /* no exceptions */
727 newae(ctx->i_ae, "-fno-exceptions");
728 /* no run time type descriptor information */
729 newae(ctx->i_ae, "-fno-rtti");
730 continue;
731 }
732 if (strcmp(arg, "-pic") == 0) {
733 newae(ctx->i_ae, "-fpic");
734 pic = 1;
735 continue;
736 }
737 if (strcmp(arg, "-PIC") == 0) {
738 newae(ctx->i_ae, "-fPIC");
739 pic = 1;
740 continue;
741 }
742 if (strcmp(arg, "-norunpath") == 0) {
743 /* gcc has no corresponding option */
744 continue;
745 }
746 if (strcmp(arg, "-nolib") == 0) {
747 /* -nodefaultlibs is on by default */
748 nolibc = 1;
749 continue;
750 }
751 #if defined(__sparc)
752 if (strcmp(arg, "-cg92") == 0) {
753 mflag |= xlate_xtb(ctx->i_ae, "v8");
754 xlate(ctx->i_ae, "super", xchip_tbl);
755 continue;
756 }
757 #endif /* __sparc */
758 }
759
760 switch ((c = arg[1])) {
761 case '_':
762 if (strcmp(arg, "-_noecho") == 0)
763 ctx->i_flags &= ~CW_F_ECHO;
764 else if (strncmp(arg, "-_cc=", 5) == 0 ||
765 strncmp(arg, "-_CC=", 5) == 0)
766 /* EMPTY */;
767 else if (strncmp(arg, "-_gcc=", 6) == 0 ||
768 strncmp(arg, "-_g++=", 6) == 0)
769 newae(ctx->i_ae, arg + 6);
770 else
771 error(arg);
772 break;
773 case '#':
774 if (arglen == 1) {
775 newae(ctx->i_ae, "-v");
776 break;
777 }
778 error(arg);
779 break;
780 case 'g':
781 newae(ctx->i_ae, "-gdwarf-2");
782 break;
783 case 'E':
784 if (arglen == 1) {
785 newae(ctx->i_ae, "-xc");
786 newae(ctx->i_ae, arg);
787 op = CW_O_PREPROCESS;
788 nolibc = 1;
789 break;
790 }
791 error(arg);
792 break;
793 case 'c':
794 case 'S':
795 if (arglen == 1) {
796 op = CW_O_COMPILE;
797 nolibc = 1;
798 }
799 /* FALLTHROUGH */
800 case 'C':
801 case 'H':
802 case 'p':
803 if (arglen == 1) {
804 newae(ctx->i_ae, arg);
805 break;
806 }
807 error(arg);
808 break;
809 case 'A':
810 case 'h':
811 case 'I':
812 case 'i':
813 case 'L':
814 case 'l':
815 case 'R':
816 case 'U':
817 case 'u':
818 case 'w':
819 newae(ctx->i_ae, arg);
820 break;
821 case 'o':
822 seen_o = 1;
823 if (arglen == 1) {
824 in_output = 1;
825 newae(ctx->i_ae, arg);
826 } else if (ctx->i_flags & CW_F_SHADOW) {
827 newae(ctx->i_ae, "-o");
828 newae(ctx->i_ae, ctx->i_discard);
829 } else {
830 newae(ctx->i_ae, arg);
831 }
832 break;
833 case 'D':
834 newae(ctx->i_ae, arg);
835 /*
836 * XXX Clearly a hack ... do we need _KADB too?
837 */
838 if (strcmp(arg, "-D_KERNEL") == 0 ||
839 strcmp(arg, "-D_BOOT") == 0)
840 newae(ctx->i_ae, "-ffreestanding");
841 break;
842 case 'd':
843 if (arglen == 2) {
844 if (strcmp(arg, "-dy") == 0) {
845 newae(ctx->i_ae, "-Wl,-dy");
846 break;
847 }
848 if (strcmp(arg, "-dn") == 0) {
849 newae(ctx->i_ae, "-Wl,-dn");
850 break;
851 }
852 }
853 if (strcmp(arg, "-dalign") == 0) {
854 /*
855 * -dalign forces alignment in some cases;
856 * gcc does not need any flag to do this.
857 */
858 break;
859 }
860 error(arg);
861 break;
862 case 'e':
863 if (strcmp(arg,
864 "-erroff=E_EMPTY_TRANSLATION_UNIT") == 0) {
865 /*
866 * Accept but ignore this -- gcc doesn't
867 * seem to complain about empty translation
868 * units
869 */
870 break;
871 }
872 /* XX64 -- ignore all -erroff= options, for now */
873 if (strncmp(arg, "-erroff=", 8) == 0)
874 break;
875 if (strcmp(arg, "-errtags=yes") == 0) {
876 warnings(ctx->i_ae);
877 break;
878 }
879 if (strcmp(arg, "-errwarn=%all") == 0) {
880 newae(ctx->i_ae, "-Werror");
881 break;
882 }
883 error(arg);
884 break;
885 case 'f':
886 if (strcmp(arg, "-flags") == 0) {
887 newae(ctx->i_ae, "--help");
888 break;
889 }
890 if (strncmp(arg, "-features=zla", 13) == 0) {
891 /*
892 * Accept but ignore this -- gcc allows
893 * zero length arrays.
894 */
895 break;
896 }
897 error(arg);
898 break;
899 case 'G':
900 newae(ctx->i_ae, "-shared");
901 nolibc = 1;
902 break;
903 case 'k':
904 if (strcmp(arg, "-keeptmp") == 0) {
905 newae(ctx->i_ae, "-save-temps");
906 break;
907 }
908 error(arg);
909 break;
910 case 'K':
911 if (arglen == 1) {
912 if ((arg = *++ctx->i_oldargv) == NULL ||
913 *arg == '\0')
914 error("-K");
915 ctx->i_oldargc--;
916 } else {
917 arg += 2;
918 }
919 if (strcmp(arg, "pic") == 0) {
920 newae(ctx->i_ae, "-fpic");
921 pic = 1;
922 break;
923 }
924 if (strcmp(arg, "PIC") == 0) {
925 newae(ctx->i_ae, "-fPIC");
926 pic = 1;
927 break;
928 }
929 error("-K");
930 break;
931 case 'm':
932 if (strcmp(arg, "-mt") == 0) {
933 newae(ctx->i_ae, "-D_REENTRANT");
934 break;
935 }
936 if (strcmp(arg, "-m64") == 0) {
937 newae(ctx->i_ae, "-m64");
938 #if defined(__x86)
939 newae(ctx->i_ae, "-mtune=opteron");
940 #endif
941 mflag |= M64;
942 break;
943 }
944 if (strcmp(arg, "-m32") == 0) {
945 newae(ctx->i_ae, "-m32");
946 mflag |= M32;
947 break;
948 }
949 error(arg);
950 break;
951 case 'B': /* linker options */
952 case 'M':
953 case 'z':
954 {
955 char *opt;
956 size_t len;
957 char *s;
958
959 if (arglen == 1) {
960 opt = *++ctx->i_oldargv;
961 if (opt == NULL || *opt == '\0')
962 error(arg);
963 ctx->i_oldargc--;
964 } else {
965 opt = arg + 2;
966 }
967 len = strlen(opt) + 7;
968 if ((s = malloc(len)) == NULL)
969 nomem();
970 (void) snprintf(s, len, "-Wl,-%c%s", c, opt);
971 newae(ctx->i_ae, s);
972 free(s);
973 }
974 break;
975 case 'n':
976 if (strcmp(arg, "-noqueue") == 0) {
977 /*
978 * Horrid license server stuff - n/a
979 */
980 break;
981 }
982 error(arg);
983 break;
984 case 'O':
985 if (arglen == 1) {
986 newae(ctx->i_ae, "-O");
987 break;
988 }
989 error(arg);
990 break;
991 case 'P':
992 /*
993 * We could do '-E -o filename.i', but that's hard,
994 * and we don't need it for the case that's triggering
995 * this addition. We'll require the user to specify
996 * -o in the Makefile. If they don't they'll find out
997 * in a hurry.
998 */
999 newae(ctx->i_ae, "-E");
1000 op = CW_O_PREPROCESS;
1001 nolibc = 1;
1002 break;
1003 case 'q':
1004 if (strcmp(arg, "-qp") == 0) {
1005 newae(ctx->i_ae, "-p");
1006 break;
1007 }
1008 error(arg);
1009 break;
1010 case 's':
1011 if (arglen == 1) {
1012 newae(ctx->i_ae, "-Wl,-s");
1013 break;
1014 }
1015 error(arg);
1016 break;
1017 case 't':
1018 if (arglen == 1) {
1019 newae(ctx->i_ae, "-Wl,-t");
1020 break;
1021 }
1022 error(arg);
1023 break;
1024 case 'V':
1025 if (arglen == 1) {
1026 ctx->i_flags &= ~CW_F_ECHO;
1027 newae(ctx->i_ae, "--version");
1028 break;
1029 }
1030 error(arg);
1031 break;
1032 case 'v':
1033 if (arglen == 1) {
1034 warnings(ctx->i_ae);
1035 break;
1036 }
1037 error(arg);
1038 break;
1039 case 'W':
1040 if (strncmp(arg, "-Wp,-xc99", 9) == 0) {
1041 /*
1042 * gcc's preprocessor will accept c99
1043 * regardless, so accept and ignore.
1044 */
1045 break;
1046 }
1047 if (strncmp(arg, "-Wa,", 4) == 0 ||
1048 strncmp(arg, "-Wp,", 4) == 0 ||
1049 strncmp(arg, "-Wl,", 4) == 0) {
1050 newae(ctx->i_ae, arg);
1051 break;
1052 }
1053 if (strcmp(arg, "-W0,-xc99=pragma") == 0) {
1054 /* (undocumented) enables _Pragma */
1055 break;
1056 }
1057 if (strcmp(arg, "-W0,-xc99=%none") == 0) {
1058 /*
1059 * This is a polite way of saying
1060 * "no c99 constructs allowed!"
1061 * For now, just accept and ignore this.
1062 */
1063 break;
1064 }
1065 if (strcmp(arg, "-W0,-noglobal") == 0 ||
1066 strcmp(arg, "-W0,-xglobalstatic") == 0) {
1067 /*
1068 * gcc doesn't prefix local symbols
1069 * in debug mode, so this is not needed.
1070 */
1071 break;
1072 }
1073 if (strcmp(arg, "-W0,-Lt") == 0) {
1074 /*
1075 * Generate tests at the top of loops.
1076 * There is no direct gcc equivalent, ignore.
1077 */
1078 break;
1079 }
1080 if (strcmp(arg, "-W0,-xdbggen=no%usedonly") == 0) {
1081 newae(ctx->i_ae,
1082 "-fno-eliminate-unused-debug-symbols");
1083 newae(ctx->i_ae,
1084 "-fno-eliminate-unused-debug-types");
1085 break;
1086 }
1087 if (strcmp(arg, "-W2,-xwrap_int") == 0) {
1088 /*
1089 * Use the legacy behaviour (pre-SS11)
1090 * for integer wrapping.
1091 * gcc does not need this.
1092 */
1093 break;
1094 }
1095 if (strcmp(arg, "-W2,-Rcond_elim") == 0) {
1096 /*
1097 * Elimination and expansion of conditionals;
1098 * gcc has no direct equivalent.
1099 */
1100 break;
1101 }
1102 if (strcmp(arg, "-Wd,-xsafe=unboundsym") == 0) {
1103 /*
1104 * Prevents optimizing away checks for
1105 * unbound weak symbol addresses. gcc does
1106 * not do this, so it's not needed.
1107 */
1108 break;
1109 }
1110 if (strncmp(arg, "-Wc,-xcode=", 11) == 0) {
1111 xlate(ctx->i_ae, arg + 11, xcode_tbl);
1112 if (strncmp(arg + 11, "pic", 3) == 0)
1113 pic = 1;
1114 break;
1115 }
1116 if (strncmp(arg, "-Wc,-Qiselect", 13) == 0) {
1117 /*
1118 * Prevents insertion of register symbols.
1119 * gcc doesn't do this, so ignore it.
1120 */
1121 break;
1122 }
1123 if (strcmp(arg, "-Wc,-Qassembler-ounrefsym=0") == 0) {
1124 /*
1125 * Prevents optimizing away of static variables.
1126 * gcc does not do this, so it's not needed.
1127 */
1128 break;
1129 }
1130 #if defined(__x86)
1131 if (strcmp(arg, "-Wu,-xmodel=kernel") == 0) {
1132 newae(ctx->i_ae, "-ffreestanding");
1133 newae(ctx->i_ae, "-mno-red-zone");
1134 model = "-mcmodel=kernel";
1135 nolibc = 1;
1136 break;
1137 }
1138 if (strcmp(arg, "-Wu,-save_args") == 0) {
1139 newae(ctx->i_ae, "-msave-args");
1140 break;
1141 }
1142 #endif /* __x86 */
1143 error(arg);
1144 break;
1145 case 'X':
1146 if (strcmp(arg, "-Xa") == 0 ||
1147 strcmp(arg, "-Xt") == 0) {
1148 Xamode(ctx->i_ae);
1149 break;
1150 }
1151 if (strcmp(arg, "-Xc") == 0) {
1152 Xcmode(ctx->i_ae);
1153 break;
1154 }
1155 if (strcmp(arg, "-Xs") == 0) {
1156 Xsmode(ctx->i_ae);
1157 break;
1158 }
1159 error(arg);
1160 break;
1161 case 'x':
1162 if (arglen == 1)
1163 error(arg);
1164 switch (arg[2]) {
1165 #if defined(__x86)
1166 case '3':
1167 if (strcmp(arg, "-x386") == 0) {
1168 newae(ctx->i_ae, "-march=i386");
1169 break;
1170 }
1171 error(arg);
1172 break;
1173 case '4':
1174 if (strcmp(arg, "-x486") == 0) {
1175 newae(ctx->i_ae, "-march=i486");
1176 break;
1177 }
1178 error(arg);
1179 break;
1180 #endif /* __x86 */
1181 case 'a':
1182 if (strncmp(arg, "-xarch=", 7) == 0) {
1183 mflag |= xlate_xtb(ctx->i_ae, arg + 7);
1184 break;
1185 }
1186 error(arg);
1187 break;
1188 case 'b':
1189 if (strncmp(arg, "-xbuiltin=", 10) == 0) {
1190 if (strcmp(arg + 10, "%all"))
1191 newae(ctx->i_ae, "-fbuiltin");
1192 break;
1193 }
1194 error(arg);
1195 break;
1196 case 'C':
1197 /* Accept C++ style comments -- ignore */
1198 if (strcmp(arg, "-xCC") == 0)
1199 break;
1200 error(arg);
1201 break;
1202 case 'c':
1203 if (strncmp(arg, "-xc99=%all", 10) == 0) {
1204 newae(ctx->i_ae, "-std=gnu99");
1205 break;
1206 }
1207 if (strncmp(arg, "-xc99=%none", 11) == 0) {
1208 newae(ctx->i_ae, "-std=gnu89");
1209 break;
1210 }
1211 if (strncmp(arg, "-xchip=", 7) == 0) {
1212 xlate(ctx->i_ae, arg + 7, xchip_tbl);
1213 break;
1214 }
1215 if (strncmp(arg, "-xcode=", 7) == 0) {
1216 xlate(ctx->i_ae, arg + 7, xcode_tbl);
1217 if (strncmp(arg + 7, "pic", 3) == 0)
1218 pic = 1;
1219 break;
1220 }
1221 if (strncmp(arg, "-xcache=", 8) == 0)
1222 break;
1223 if (strncmp(arg, "-xcrossfile", 11) == 0)
1224 break;
1225 error(arg);
1226 break;
1227 case 'd':
1228 if (strcmp(arg, "-xdepend") == 0)
1229 break;
1230 if (strncmp(arg, "-xdebugformat=", 14) == 0)
1231 break;
1232 error(arg);
1233 break;
1234 case 'F':
1235 /*
1236 * Compile for mapfile reordering, or unused
1237 * section elimination, syntax can be -xF or
1238 * more complex, like -xF=%all -- ignore.
1239 */
1240 if (strncmp(arg, "-xF", 3) == 0)
1241 break;
1242 error(arg);
1243 break;
1244 case 'i':
1245 if (strncmp(arg, "-xinline", 8) == 0)
1246 /* No inlining; ignore */
1247 break;
1248 if (strcmp(arg, "-xildon") == 0 ||
1249 strcmp(arg, "-xildoff") == 0)
1250 /* No incremental linking; ignore */
1251 break;
1252 error(arg);
1253 break;
1254 #if defined(__x86)
1255 case 'm':
1256 if (strcmp(arg, "-xmodel=kernel") == 0) {
1257 newae(ctx->i_ae, "-ffreestanding");
1258 newae(ctx->i_ae, "-mno-red-zone");
1259 model = "-mcmodel=kernel";
1260 nolibc = 1;
1261 break;
1262 }
1263 error(arg);
1264 break;
1265 #endif /* __x86 */
1266 case 'M':
1267 if (strcmp(arg, "-xM") == 0) {
1268 newae(ctx->i_ae, "-M");
1269 break;
1270 }
1271 if (strcmp(arg, "-xM1") == 0) {
1272 newae(ctx->i_ae, "-MM");
1273 break;
1274 }
1275 error(arg);
1276 break;
1277 case 'n':
1278 if (strcmp(arg, "-xnolib") == 0) {
1279 nolibc = 1;
1280 break;
1281 }
1282 error(arg);
1283 break;
1284 case 'O':
1285 if (strncmp(arg, "-xO", 3) == 0) {
1286 size_t len = strlen(arg);
1287 char *s;
1288 int c = *(arg + 3);
1289 int level;
1290
1291 if (len != 4 || !isdigit(c))
1292 error(arg);
1293
1294 if ((s = malloc(len)) == NULL)
1295 nomem();
1296
1297 level = atoi(arg + 3);
1298 if (level > 5)
1299 error(arg);
1300 (void) snprintf(s, len, "-O%d", level);
1301 newae(ctx->i_ae, s);
1302 free(s);
1303 break;
1304 }
1305 error(arg);
1306 break;
1307 case 'p':
1308 if (strcmp(arg, "-xpentium") == 0) {
1309 newae(ctx->i_ae, "-march=pentium");
1310 break;
1311 }
1312 if (strcmp(arg, "-xpg") == 0) {
1313 newae(ctx->i_ae, "-pg");
1314 break;
1315 }
1316 error(arg);
1317 break;
1318 case 'r':
1319 if (strncmp(arg, "-xregs=", 7) == 0) {
1320 xlate(ctx->i_ae, arg + 7, xregs_tbl);
1321 break;
1322 }
1323 error(arg);
1324 break;
1325 case 's':
1326 if (strcmp(arg, "-xs") == 0 ||
1327 strcmp(arg, "-xspace") == 0 ||
1328 strcmp(arg, "-xstrconst") == 0)
1329 break;
1330 error(arg);
1331 break;
1332 case 't':
1333 if (strcmp(arg, "-xtransition") == 0) {
1334 newae(ctx->i_ae, "-Wtransition");
1335 break;
1336 }
1337 if (strcmp(arg, "-xtrigraphs=yes") == 0) {
1338 newae(ctx->i_ae, "-trigraphs");
1339 break;
1340 }
1341 if (strcmp(arg, "-xtrigraphs=no") == 0) {
1342 newae(ctx->i_ae, "-notrigraphs");
1343 break;
1344 }
1345 if (strncmp(arg, "-xtarget=", 9) == 0) {
1346 xlate(ctx->i_ae, arg + 9, xtarget_tbl);
1347 break;
1348 }
1349 error(arg);
1350 break;
1351 case 'e':
1352 case 'h':
1353 case 'l':
1354 default:
1355 error(arg);
1356 break;
1357 }
1358 break;
1359 case 'Y':
1360 if (arglen == 1) {
1361 if ((arg = *++ctx->i_oldargv) == NULL ||
1362 *arg == '\0')
1363 error("-Y");
1364 ctx->i_oldargc--;
1365 arglen = strlen(arg + 1);
1366 } else {
1367 arg += 2;
1368 }
1369 /* Just ignore -YS,... for now */
1370 if (strncmp(arg, "S,", 2) == 0)
1371 break;
1372 if (strncmp(arg, "l,", 2) == 0) {
1373 char *s = strdup(arg);
1374 s[0] = '-';
1375 s[1] = 'B';
1376 newae(ctx->i_ae, s);
1377 free(s);
1378 break;
1379 }
1380 if (strncmp(arg, "I,", 2) == 0) {
1381 char *s = strdup(arg);
1382 s[0] = '-';
1383 s[1] = 'I';
1384 newae(ctx->i_ae, "-nostdinc");
1385 newae(ctx->i_ae, s);
1386 free(s);
1387 break;
1388 }
1389 error(arg);
1390 break;
1391 case 'Q':
1392 /*
1393 * We could map -Qy into -Wl,-Qy etc.
1394 */
1395 default:
1396 error(arg);
1397 break;
1398 }
1399 }
1400
1401 if (c_files > 1 && (ctx->i_flags & CW_F_SHADOW) &&
1402 op != CW_O_PREPROCESS) {
1403 (void) fprintf(stderr, "%s: error: multiple source files are "
1404 "allowed only with -E or -P\n", progname);
1405 exit(2);
1406 }
1407
1408 /*
1409 * Make sure that we do not have any unintended interactions between
1410 * the xarch options passed in and the version of the Studio compiler
1411 * used.
1412 */
1413 if ((mflag & (SS11|SS12)) == (SS11|SS12)) {
1414 (void) fprintf(stderr,
1415 "Conflicting \"-xarch=\" flags (both Studio 11 and 12)\n");
1416 exit(2);
1417 }
1418
1419 switch (mflag) {
1420 case 0:
1421 /* FALLTHROUGH */
1422 case M32:
1423 #if defined(__sparc)
1424 /*
1425 * Only -m32 is defined and so put in the missing xarch
1426 * translation.
1427 */
1428 newae(ctx->i_ae, "-mcpu=v8");
1429 newae(ctx->i_ae, "-mno-v8plus");
1430 #endif
1431 break;
1432 case M64:
1433 #if defined(__sparc)
1434 /*
1435 * Only -m64 is defined and so put in the missing xarch
1436 * translation.
1437 */
1438 newae(ctx->i_ae, "-mcpu=v9");
1439 #endif
1440 break;
1441 case SS12:
1442 #if defined(__sparc)
1443 /* no -m32/-m64 flag used - this is an error for sparc builds */
1444 (void) fprintf(stderr, "No -m32/-m64 flag defined\n");
1445 exit(2);
1446 #endif
1447 break;
1448 case SS11:
1449 /* FALLTHROUGH */
1450 case (SS11|M32):
1451 case (SS11|M64):
1452 break;
1453 case (SS12|M32):
1454 #if defined(__sparc)
1455 /*
1456 * Need to add in further 32 bit options because with SS12
1457 * the xarch=sparcvis option can be applied to 32 or 64
1458 * bit, and so the translatation table (xtbl) cannot handle
1459 * that.
1460 */
1461 newae(ctx->i_ae, "-mv8plus");
1462 #endif
1463 break;
1464 case (SS12|M64):
1465 break;
1466 default:
1467 (void) fprintf(stderr,
1468 "Incompatible -xarch= and/or -m32/-m64 options used.\n");
1469 exit(2);
1470 }
1471 if (op == CW_O_LINK && (ctx->i_flags & CW_F_SHADOW))
1472 exit(0);
1473
1474 if (model && !pic)
1475 newae(ctx->i_ae, model);
1476 if (!nolibc)
1477 newae(ctx->i_ae, "-lc");
1478 if (!seen_o && (ctx->i_flags & CW_F_SHADOW)) {
1479 newae(ctx->i_ae, "-o");
1480 newae(ctx->i_ae, ctx->i_discard);
1481 }
1482 }
1483
1484 static void
1485 do_cc(cw_ictx_t *ctx)
1486 {
1487 int in_output = 0, seen_o = 0;
1488 cw_op_t op = CW_O_LINK;
1489
1490 if (ctx->i_flags & CW_F_PROG) {
1491 newae(ctx->i_ae, "-V");
1492 return;
1493 }
1494
1495 while (--ctx->i_oldargc > 0) {
1496 char *arg = *++ctx->i_oldargv;
1497
1498 if (*arg != '-') {
1499 if (in_output == 0 || !(ctx->i_flags & CW_F_SHADOW)) {
1500 newae(ctx->i_ae, arg);
1501 } else {
1502 in_output = 0;
1503 newae(ctx->i_ae, ctx->i_discard);
1504 }
1505 continue;
1506 }
1507 switch (*(arg + 1)) {
1508 case '_':
1509 if (strcmp(arg, "-_noecho") == 0) {
1510 ctx->i_flags &= ~CW_F_ECHO;
1511 } else if (strncmp(arg, "-_cc=", 5) == 0 ||
1512 strncmp(arg, "-_CC=", 5) == 0) {
1513 newae(ctx->i_ae, arg + 5);
1514 } else if (strncmp(arg, "-_gcc=", 6) != 0 &&
1515 strncmp(arg, "-_g++=", 6) != 0) {
1516 (void) fprintf(stderr,
1517 "%s: invalid argument '%s'\n", progname,
1518 arg);
1519 exit(2);
1520 }
1521 break;
1522 case 'V':
1523 ctx->i_flags &= ~CW_F_ECHO;
1524 newae(ctx->i_ae, arg);
1525 break;
1526 case 'o':
1527 seen_o = 1;
1528 if (strlen(arg) == 2) {
1529 in_output = 1;
1530 newae(ctx->i_ae, arg);
1531 } else if (ctx->i_flags & CW_F_SHADOW) {
1532 newae(ctx->i_ae, "-o");
1533 newae(ctx->i_ae, ctx->i_discard);
1534 } else {
1535 newae(ctx->i_ae, arg);
1536 }
1537 break;
1538 case 'c':
1539 case 'S':
1540 if (strlen(arg) == 2)
1541 op = CW_O_COMPILE;
1542 newae(ctx->i_ae, arg);
1543 break;
1544 case 'E':
1545 case 'P':
1546 if (strlen(arg) == 2)
1547 op = CW_O_PREPROCESS;
1548 /*FALLTHROUGH*/
1549 default:
1550 newae(ctx->i_ae, arg);
1551 }
1552 }
1553
1554 if ((op == CW_O_LINK || op == CW_O_PREPROCESS) &&
1555 (ctx->i_flags & CW_F_SHADOW))
1556 exit(0);
1557
1558 if (!seen_o && (ctx->i_flags & CW_F_SHADOW)) {
1559 newae(ctx->i_ae, "-o");
1560 newae(ctx->i_ae, ctx->i_discard);
1561 }
1562 }
1563
1564 static void
1565 prepctx(cw_ictx_t *ctx)
1566 {
1567 const char *dir = NULL, *cmd;
1568 char *program = NULL;
1569 size_t len;
1570
1571 switch (CIDX(CC(ctx), ctx->i_flags)) {
1572 case CIDX(CW_C_CC, 0):
1573 program = getenv("CW_CC");
1574 dir = getenv("CW_CC_DIR");
1575 break;
1576 case CIDX(CW_C_CC, CW_F_CXX):
1577 program = getenv("CW_CPLUSPLUS");
1578 dir = getenv("CW_CPLUSPLUS_DIR");
1579 break;
1580 case CIDX(CW_C_GCC, 0):
1581 program = getenv("CW_GCC");
1582 dir = getenv("CW_GCC_DIR");
1583 break;
1584 case CIDX(CW_C_GCC, CW_F_CXX):
1585 program = getenv("CW_GPLUSPLUS");
1586 dir = getenv("CW_GPLUSPLUS_DIR");
1587 break;
1588 }
1589
1590 if (program == NULL) {
1591 if (dir == NULL)
1592 dir = default_dir[CC(ctx)];
1593 cmd = cmds[CIDX(CC(ctx), ctx->i_flags)];
1594 len = strlen(dir) + strlen(cmd) + 2;
1595 if ((program = malloc(len)) == NULL)
1596 nomem();
1597 (void) snprintf(program, len, "%s/%s", dir, cmd);
1598 }
1599
1600 newae(ctx->i_ae, program);
1601
1602 if (ctx->i_flags & CW_F_PROG) {
1603 (void) printf("%s: %s\n", (ctx->i_flags & CW_F_SHADOW) ?
1604 "shadow" : "primary", program);
1605 (void) fflush(stdout);
1606 }
1607
1608 if (!(ctx->i_flags & CW_F_XLATE))
1609 return;
1610
1611 switch (CC(ctx)) {
1612 case CW_C_CC:
1613 do_cc(ctx);
1614 break;
1615 case CW_C_GCC:
1616 do_gcc(ctx);
1617 break;
1618 }
1619 }
1620
1621 static int
1622 invoke(cw_ictx_t *ctx)
1623 {
1624 char **newargv;
1625 int ac;
1626 struct ae *a;
1627
1628 if ((newargv = calloc(sizeof (*newargv), ctx->i_ae->ael_argc + 1)) ==
1629 NULL)
1630 nomem();
1631
1632 if (ctx->i_flags & CW_F_ECHO)
1633 (void) fprintf(stderr, "+ ");
1634
1635 for (ac = 0, a = ctx->i_ae->ael_head; a; a = a->ae_next, ac++) {
1636 newargv[ac] = a->ae_arg;
1637 if (ctx->i_flags & CW_F_ECHO)
1638 (void) fprintf(stderr, "%s ", a->ae_arg);
1639 if (a == ctx->i_ae->ael_tail)
1640 break;
1641 }
1642
1643 if (ctx->i_flags & CW_F_ECHO) {
1644 (void) fprintf(stderr, "\n");
1645 (void) fflush(stderr);
1646 }
1647
1648 if (!(ctx->i_flags & CW_F_EXEC))
1649 return (0);
1650
1651 /*
1652 * We must fix up the environment here so that the
1653 * dependency files are not trampled by the shadow compiler.
1654 */
1655 if ((ctx->i_flags & CW_F_SHADOW) &&
1656 (unsetenv("SUNPRO_DEPENDENCIES") != 0 ||
1657 unsetenv("DEPENDENCIES_OUTPUT") != 0)) {
1658 (void) fprintf(stderr, "error: environment setup failed: %s\n",
1659 strerror(errno));
1660 return (-1);
1661 }
1662
1663 (void) execv(newargv[0], newargv);
1664 cw_perror("couldn't run %s", newargv[0]);
1665
1666 return (-1);
1667 }
1668
1669 static int
1670 reap(cw_ictx_t *ctx)
1671 {
1672 int status, ret = 0;
1673 char buf[1024];
1674 struct stat s;
1675
1676 /*
1677 * Only wait for one specific child.
1678 */
1679 if (ctx->i_pid <= 0)
1680 return (-1);
1681
1682 do {
1683 if (waitpid(ctx->i_pid, &status, 0) < 0) {
1684 cw_perror("cannot reap child");
1685 return (-1);
1686 }
1687 if (status != 0) {
1688 if (WIFSIGNALED(status)) {
1689 ret = -WTERMSIG(status);
1690 break;
1691 } else if (WIFEXITED(status)) {
1692 ret = WEXITSTATUS(status);
1693 break;
1694 }
1695 }
1696 } while (!WIFEXITED(status) && !WIFSIGNALED(status));
1697
1698 (void) unlink(ctx->i_discard);
1699
1700 if (stat(ctx->i_stderr, &s) < 0) {
1701 cw_perror("stat failed on child cleanup");
1702 return (-1);
1703 }
1704 if (s.st_size != 0) {
1705 FILE *f;
1706
1707 if ((f = fopen(ctx->i_stderr, "r")) != NULL) {
1708 while (fgets(buf, sizeof (buf), f))
1709 (void) fprintf(stderr, "%s", buf);
1710 (void) fflush(stderr);
1711 (void) fclose(f);
1712 }
1713 }
1714 (void) unlink(ctx->i_stderr);
1715 free(ctx->i_stderr);
1716
1717 /*
1718 * cc returns an error code when given -V; we want that to succeed.
1719 */
1720 if (ctx->i_flags & CW_F_PROG)
1721 return (0);
1722
1723 return (ret);
1724 }
1725
1726 static int
1727 exec_ctx(cw_ictx_t *ctx, int block)
1728 {
1729 char *file;
1730
1731 /*
1732 * To avoid offending cc's sensibilities, the name of its output
1733 * file must end in '.o'.
1734 */
1735 if ((file = tempnam(NULL, ".cw")) == NULL) {
1736 nomem();
1737 return (-1);
1738 }
1739 (void) strlcpy(ctx->i_discard, file, MAXPATHLEN);
1740 (void) strlcat(ctx->i_discard, ".o", MAXPATHLEN);
1741 free(file);
1742
1743 if ((ctx->i_stderr = tempnam(NULL, ".cw")) == NULL) {
1744 nomem();
1745 return (-1);
1746 }
1747
1748 if ((ctx->i_pid = fork()) == 0) {
1749 int fd;
1750
1751 (void) fclose(stderr);
1752 if ((fd = open(ctx->i_stderr, O_WRONLY | O_CREAT | O_EXCL,
1753 0666)) < 0) {
1754 cw_perror("open failed for standard error");
1755 exit(1);
1756 }
1757 if (dup2(fd, 2) < 0) {
1758 cw_perror("dup2 failed for standard error");
1759 exit(1);
1760 }
1761 if (fd != 2)
1762 (void) close(fd);
1763 if (freopen("/dev/fd/2", "w", stderr) == NULL) {
1764 cw_perror("freopen failed for /dev/fd/2");
1765 exit(1);
1766 }
1767 prepctx(ctx);
1768 exit(invoke(ctx));
1769 }
1770
1771 if (ctx->i_pid < 0) {
1772 cw_perror("fork failed");
1773 return (1);
1774 }
1775
1776 if (block)
1777 return (reap(ctx));
1778
1779 return (0);
1780 }
1781
1782 int
1783 main(int argc, char **argv)
1784 {
1785 cw_ictx_t *ctx = newictx();
1786 cw_ictx_t *ctx_shadow = newictx();
1787 const char *dir;
1788 int do_serial, do_shadow;
1789 int ret = 0;
1790
1791 if ((progname = strrchr(argv[0], '/')) == NULL)
1792 progname = argv[0];
1793 else
1794 progname++;
1795
1796 if (ctx == NULL || ctx_shadow == NULL)
1797 nomem();
1798
1799 ctx->i_flags = CW_F_ECHO|CW_F_XLATE;
1800
1801 /*
1802 * Figure out where to get our tools from. This depends on
1803 * the environment variables set at run time.
1804 */
1805 if ((dir = getenv("SPRO_VROOT")) != NULL) {
1806 (void) snprintf(default_dir[CW_C_CC], MAXPATHLEN,
1807 "%s/bin", dir);
1808 } else if ((dir = getenv("SPRO_ROOT")) != NULL) {
1809 (void) snprintf(default_dir[CW_C_CC], MAXPATHLEN,
1810 "%s/SS12/bin", dir);
1811 } else if ((dir = getenv("BUILD_TOOLS")) != NULL) {
1812 (void) snprintf(default_dir[CW_C_CC], MAXPATHLEN,
1813 "%s/SUNWspro/SS12/bin", dir);
1814 }
1815
1816 if ((dir = getenv("GCC_ROOT")) != NULL) {
1817 (void) snprintf(default_dir[CW_C_GCC], MAXPATHLEN,
1818 "%s/bin", dir);
1819 }
1820
1821 do_shadow = (getenv("CW_NO_SHADOW") ? 0 : 1);
1822 do_serial = (getenv("CW_SHADOW_SERIAL") ? 1 : 0);
1823
1824 if (getenv("CW_NO_EXEC") == NULL)
1825 ctx->i_flags |= CW_F_EXEC;
1826
1827 /*
1828 * The first argument must be one of "-_cc", "-_gcc", "-_CC", or "-_g++"
1829 */
1830 if (argc == 1)
1831 usage();
1832 argc--;
1833 argv++;
1834 if (strcmp(argv[0], "-_cc") == 0) {
1835 ctx->i_compiler = CW_C_CC;
1836 } else if (strcmp(argv[0], "-_gcc") == 0) {
1837 ctx->i_compiler = CW_C_GCC;
1838 } else if (strcmp(argv[0], "-_CC") == 0) {
1839 ctx->i_compiler = CW_C_CC;
1840 ctx->i_flags |= CW_F_CXX;
1841 } else if (strcmp(argv[0], "-_g++") == 0) {
1842 ctx->i_compiler = CW_C_GCC;
1843 ctx->i_flags |= CW_F_CXX;
1844 } else {
1845 /* assume "-_gcc" by default */
1846 argc++;
1847 argv--;
1848 ctx->i_compiler = CW_C_GCC;
1849 }
1850
1851 /*
1852 * -_compiler - tell us the path to the primary compiler only
1853 */
1854 if (argc > 1 && strcmp(argv[1], "-_compiler") == 0) {
1855 ctx->i_flags &= ~CW_F_XLATE;
1856 prepctx(ctx);
1857 (void) printf("%s\n", ctx->i_ae->ael_head->ae_arg);
1858 return (0);
1859 }
1860
1861 /*
1862 * -_versions - tell us the cw version, paths to all compilers, and
1863 * ask each for its version if we know how.
1864 */
1865 if (argc > 1 && strcmp(argv[1], "-_versions") == 0) {
1866 (void) printf("cw version %s", CW_VERSION);
1867 if (!do_shadow)
1868 (void) printf(" (SHADOW MODE DISABLED)");
1869 (void) printf("\n");
1870 (void) fflush(stdout);
1871 ctx->i_flags &= ~CW_F_ECHO;
1872 ctx->i_flags |= CW_F_PROG|CW_F_EXEC;
1873 argc--;
1874 argv++;
1875 do_serial = 1;
1876 }
1877
1878 ctx->i_oldargc = argc;
1879 ctx->i_oldargv = argv;
1880
1881 ret |= exec_ctx(ctx, do_serial);
1882
1883 if (do_shadow) {
1884 (void) memcpy(ctx_shadow, ctx, sizeof (cw_ictx_t));
1885 ctx_shadow->i_flags |= CW_F_SHADOW;
1886 ret |= exec_ctx(ctx_shadow, 1);
1887 }
1888
1889 if (!do_serial)
1890 ret |= reap(ctx);
1891
1892 return (ret);
1893 }