1151 lines
28 KiB
C
1151 lines
28 KiB
C
/* $NetBSD: crunchgen.c,v 1.80 2011/08/30 23:10:45 joerg Exp $ */
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/*
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* Copyright (c) 1994 University of Maryland
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* All Rights Reserved.
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of U.M. not be used in advertising or
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* publicity pertaining to distribution of the software without specific,
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* written prior permission. U.M. makes no representations about the
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* suitability of this software for any purpose. It is provided "as is"
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* without express or implied warranty.
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*
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* U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M.
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* BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* Author: James da Silva, Systems Design and Analysis Group
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* Computer Science Department
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* University of Maryland at College Park
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*/
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/*
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* ========================================================================
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* crunchgen.c
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*
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* Generates a Makefile and main C file for a crunched executable,
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* from specs given in a .conf file.
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*/
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#if HAVE_NBTOOL_CONFIG_H
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#include "nbtool_config.h"
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#endif
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#include <sys/cdefs.h>
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#if !defined(lint)
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__RCSID("$NetBSD: crunchgen.c,v 1.80 2011/08/30 23:10:45 joerg Exp $");
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#endif
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#include <stdlib.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <string.h>
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#include <errno.h>
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#include <err.h>
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#include <util.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/param.h>
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#include <sys/utsname.h>
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#define CRUNCH_VERSION "20050208"
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#define MAXLINELEN 16384
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#define MAXFIELDS 2048
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/* internal representation of conf file: */
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/* simple lists of strings suffice for most parms */
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typedef struct strlst {
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struct strlst *next;
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char *str;
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} strlst_t;
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/* progs have structure, each field can be set with "special" or calculated */
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typedef struct prog {
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struct prog *next;
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char *name, *ident;
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char *srcdir, *objdir;
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strlst_t *objs, *objpaths;
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strlst_t *links, *keepsymbols;
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int goterror;
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} prog_t;
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/* global state */
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static strlst_t *srcdirs = NULL;
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static strlst_t *libs = NULL;
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static strlst_t *vars = NULL;
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static prog_t *progs = NULL;
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static char line[MAXLINELEN];
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static char confname[MAXPATHLEN], infilename[MAXPATHLEN];
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static char outmkname[MAXPATHLEN], outcfname[MAXPATHLEN], execfname[MAXPATHLEN];
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static char cachename[MAXPATHLEN], curfilename[MAXPATHLEN];
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static char curdir[MAXPATHLEN];
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static char topdir[MAXPATHLEN];
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static char libdir[MAXPATHLEN] = "/usr/lib";
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static char dbg[MAXPATHLEN] = "-Os";
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static int linenum = -1;
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static int goterror = 0;
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static const char *pname = "crunchgen";
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static int verbose, readcache, useobjs, oneobj; /* options */
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static int reading_cache;
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static char *machine;
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static char *makeobjdirprefix;
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static char *makebin;
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static char *makeflags;
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/* general library routines */
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static void status(const char *str);
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__dead static void out_of_memory(void);
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static void add_string(strlst_t **listp, char *str);
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static int is_dir(const char *pathname);
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static int is_nonempty_file(const char *pathname);
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/* helper routines for main() */
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__dead static void usage(void);
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static void parse_conf_file(void);
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static void gen_outputs(void);
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extern char *crunched_skel[];
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int
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main(int argc, char **argv)
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{
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char *p;
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int optc;
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if ((makebin = getenv("MAKE")) == NULL)
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makebin = strdup("make");
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if ((makeflags = getenv("MAKEFLAGS")) == NULL)
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makeflags = strdup("");
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if ((machine = getenv("MACHINE")) == NULL) {
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static struct utsname utsname;
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if (uname(&utsname) == -1) {
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perror("uname");
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exit(1);
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}
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machine = utsname.machine;
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}
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makeobjdirprefix = getenv("MAKEOBJDIRPREFIX");
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verbose = 1;
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readcache = 1;
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useobjs = 0;
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oneobj = 1;
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*outmkname = *outcfname = *execfname = '\0';
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if (argc > 0)
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pname = argv[0];
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while ((optc = getopt(argc, argv, "m:c:d:e:foqD:L:Ov:")) != -1) {
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switch(optc) {
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case 'f': readcache = 0; break;
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case 'q': verbose = 0; break;
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case 'O': oneobj = 0; break;
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case 'o': useobjs = 1, oneobj = 0; break;
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case 'm': (void)estrlcpy(outmkname, optarg, sizeof(outmkname)); break;
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case 'c': (void)estrlcpy(outcfname, optarg, sizeof(outcfname)); break;
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case 'e': (void)estrlcpy(execfname, optarg, sizeof(execfname)); break;
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case 'd': (void)estrlcpy(dbg, optarg, sizeof(dbg)); break;
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case 'D': (void)estrlcpy(topdir, optarg, sizeof(topdir)); break;
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case 'L': (void)estrlcpy(libdir, optarg, sizeof(libdir)); break;
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case 'v': add_string(&vars, optarg); break;
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case '?':
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default: usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 1)
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usage();
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/*
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* generate filenames
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*/
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(void)estrlcpy(infilename, argv[0], sizeof(infilename));
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getcwd(curdir, MAXPATHLEN);
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/* confname = `basename infilename .conf` */
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if ((p = strrchr(infilename, '/')) != NULL)
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(void)estrlcpy(confname, p + 1, sizeof(confname));
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else
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(void)estrlcpy(confname, infilename, sizeof(confname));
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if ((p = strrchr(confname, '.')) != NULL && !strcmp(p, ".conf"))
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*p = '\0';
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if (!*outmkname)
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(void)snprintf(outmkname, sizeof(outmkname), "%s.mk", confname);
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if (!*outcfname)
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(void)snprintf(outcfname, sizeof(outcfname), "%s.c", confname);
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if (!*execfname)
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(void)snprintf(execfname, sizeof(execfname), "%s", confname);
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(void)snprintf(cachename, sizeof(cachename), "%s.cache", confname);
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parse_conf_file();
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gen_outputs();
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exit(goterror);
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}
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void
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usage(void)
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{
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fprintf(stderr,
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"%s [-fOoq] [-c c-file-name] [-D src-root] [-d build-options]\n"
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"\t [-e exec-file-name] [-L lib-dir] [-m makefile-name]\n"
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"\t [-v var-spec] conf-file\n", pname);
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exit(1);
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}
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/*
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* ========================================================================
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* parse_conf_file subsystem
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*
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*/
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/* helper routines for parse_conf_file */
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static void parse_one_file(char *filename);
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static void parse_line(char *line, int *fc, char **fv, int nf);
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static void add_srcdirs(int argc, char **argv);
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static void add_progs(int argc, char **argv);
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static void add_link(int argc, char **argv);
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static void add_libs(int argc, char **argv);
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static void add_special(int argc, char **argv);
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static prog_t *find_prog(char *str);
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static void add_prog(char *progname);
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static void
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parse_conf_file(void)
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{
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if (!is_nonempty_file(infilename)) {
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fprintf(stderr, "%s: fatal: input file \"%s\" not found.\n",
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pname, infilename);
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exit(1);
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}
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parse_one_file(infilename);
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if (readcache && is_nonempty_file(cachename)) {
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reading_cache = 1;
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parse_one_file(cachename);
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}
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}
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static void
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parse_one_file(char *filename)
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{
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char *fieldv[MAXFIELDS];
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int fieldc;
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void (*f)(int c, char **v);
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FILE *cf;
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(void)snprintf(line, sizeof(line), "reading %s", filename);
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status(line);
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(void)estrlcpy(curfilename, filename, sizeof(curfilename));
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if ((cf = fopen(curfilename, "r")) == NULL) {
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perror(curfilename);
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goterror = 1;
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return;
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}
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linenum = 0;
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while (fgets(line, MAXLINELEN, cf) != NULL) {
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linenum++;
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parse_line(line, &fieldc, fieldv, MAXFIELDS);
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if (fieldc < 1)
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continue;
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if (!strcmp(fieldv[0], "srcdirs")) f = add_srcdirs;
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else if (!strcmp(fieldv[0], "progs")) f = add_progs;
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else if (!strcmp(fieldv[0], "ln")) f = add_link;
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else if (!strcmp(fieldv[0], "libs")) f = add_libs;
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else if (!strcmp(fieldv[0], "special")) f = add_special;
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else {
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fprintf(stderr, "%s:%d: skipping unknown command `%s'.\n",
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curfilename, linenum, fieldv[0]);
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goterror = 1;
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continue;
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}
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if (fieldc < 2) {
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fprintf(stderr,
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"%s:%d: %s command needs at least 1 argument, skipping.\n",
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curfilename, linenum, fieldv[0]);
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goterror = 1;
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continue;
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}
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f(fieldc, fieldv);
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}
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if (ferror(cf)) {
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perror(curfilename);
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goterror = 1;
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}
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fclose(cf);
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}
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static void
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parse_line(char *pline, int *fc, char **fv, int nf)
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{
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char *p;
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p = pline;
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*fc = 0;
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for (;;) {
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while (isspace((unsigned char)*p))
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p++;
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if (*p == '\0' || *p == '#')
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break;
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if (*fc < nf)
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fv[(*fc)++] = p;
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while (*p && !isspace((unsigned char)*p) && *p != '#')
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p++;
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if (*p == '\0' || *p == '#')
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break;
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*p++ = '\0';
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}
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if (*p)
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*p = '\0'; /* needed for '#' case */
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}
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static void
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add_srcdirs(int argc, char **argv)
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{
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int i;
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char tmppath[MAXPATHLEN];
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for (i = 1; i < argc; i++) {
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if (argv[i][0] == '/')
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(void)estrlcpy(tmppath, argv[i], sizeof(tmppath));
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else {
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if (topdir[0] == '\0')
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(void)estrlcpy(tmppath, curdir, sizeof(tmppath));
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else
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(void)estrlcpy(tmppath, topdir, sizeof(tmppath));
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(void)estrlcat(tmppath, "/", sizeof(tmppath));
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(void)estrlcat(tmppath, argv[i], sizeof(tmppath));
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}
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if (is_dir(tmppath))
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add_string(&srcdirs, tmppath);
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else {
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fprintf(stderr, "%s:%d: `%s' is not a directory, skipping it.\n",
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curfilename, linenum, tmppath);
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goterror = 1;
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}
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}
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}
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static void
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add_progs(int argc, char **argv)
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{
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int i;
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for (i = 1; i < argc; i++)
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add_prog(argv[i]);
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}
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static void
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add_prog(char *progname)
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{
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prog_t *p1, *p2;
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/* add to end, but be smart about dups */
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for (p1 = NULL, p2 = progs; p2 != NULL; p1 = p2, p2 = p2->next)
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if (!strcmp(p2->name, progname))
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return;
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p2 = malloc(sizeof(prog_t));
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if (p2)
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p2->name = strdup(progname);
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if (!p2 || !p2->name)
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out_of_memory();
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p2->next = NULL;
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if (p1 == NULL)
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progs = p2;
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else
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p1->next = p2;
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p2->ident = p2->srcdir = p2->objdir = NULL;
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p2->objs = p2->objpaths = p2->links = p2->keepsymbols = NULL;
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p2->goterror = 0;
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}
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static void
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add_link(int argc, char **argv)
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{
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int i;
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prog_t *p = find_prog(argv[1]);
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if (p == NULL) {
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fprintf(stderr,
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"%s:%d: no prog %s previously declared, skipping link.\n",
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curfilename, linenum, argv[1]);
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goterror = 1;
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return;
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}
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for (i = 2; i < argc; i++)
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add_string(&p->links, argv[i]);
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}
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static void
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add_libs(int argc, char **argv)
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{
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int i;
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for (i = 1; i < argc; i++)
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add_string(&libs, argv[i]);
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}
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static void
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add_special(int argc, char **argv)
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{
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int i;
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prog_t *p = find_prog(argv[1]);
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if (p == NULL) {
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if (reading_cache)
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return;
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fprintf(stderr,
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"%s:%d: no prog %s previously declared, skipping special.\n",
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curfilename, linenum, argv[1]);
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goterror = 1;
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return;
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}
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|
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if (!strcmp(argv[2], "ident")) {
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if (argc != 4)
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goto argcount;
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if ((p->ident = strdup(argv[3])) == NULL)
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out_of_memory();
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return;
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}
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if (!strcmp(argv[2], "srcdir")) {
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if (argc != 4)
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goto argcount;
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if (argv[3][0] == '/') {
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if ((p->srcdir = strdup(argv[3])) == NULL)
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out_of_memory();
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} else {
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char tmppath[MAXPATHLEN];
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if (topdir[0] == '\0')
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(void)estrlcpy(tmppath, curdir, sizeof(tmppath));
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else
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(void)estrlcpy(tmppath, topdir, sizeof(tmppath));
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(void)estrlcat(tmppath, "/", sizeof(tmppath));
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(void)estrlcat(tmppath, argv[3], sizeof(tmppath));
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if ((p->srcdir = strdup(tmppath)) == NULL)
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out_of_memory();
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}
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return;
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}
|
|
|
|
if (!strcmp(argv[2], "objdir")) {
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if (argc != 4)
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goto argcount;
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if ((p->objdir = strdup(argv[3])) == NULL)
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out_of_memory();
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return;
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}
|
|
|
|
if (!strcmp(argv[2], "objs")) {
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oneobj = 0;
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for (i = 3; i < argc; i++)
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add_string(&p->objs, argv[i]);
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return;
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}
|
|
|
|
if (!strcmp(argv[2], "objpaths")) {
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|
oneobj = 0;
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|
for (i = 3; i < argc; i++)
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add_string(&p->objpaths, argv[i]);
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return;
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}
|
|
|
|
if (!strcmp(argv[2], "keepsymbols")) {
|
|
for (i = 3; i < argc; i++)
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add_string(&p->keepsymbols, argv[i]);
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return;
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}
|
|
|
|
fprintf(stderr, "%s:%d: bad parameter name `%s', skipping line.\n",
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|
curfilename, linenum, argv[2]);
|
|
goterror = 1;
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|
return;
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|
|
argcount:
|
|
fprintf(stderr,
|
|
"%s:%d: too %s arguments, expected \"special %s %s <string>\".\n",
|
|
curfilename, linenum, argc < 4? "few" : "many", argv[1], argv[2]);
|
|
goterror = 1;
|
|
}
|
|
|
|
|
|
static prog_t *
|
|
find_prog(char *str)
|
|
{
|
|
prog_t *p;
|
|
|
|
for (p = progs; p != NULL; p = p->next)
|
|
if (!strcmp(p->name, str))
|
|
return p;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
/*
|
|
* ========================================================================
|
|
* gen_outputs subsystem
|
|
*
|
|
*/
|
|
|
|
/* helper subroutines */
|
|
|
|
static void remove_error_progs(void);
|
|
static void fillin_program(prog_t *p);
|
|
static void gen_specials_cache(void);
|
|
static void gen_output_makefile(void);
|
|
static void gen_output_cfile(void);
|
|
|
|
static void fillin_program_objs(prog_t *p, char *path);
|
|
static void top_makefile_rules(FILE *outmk);
|
|
static void bottom_makefile_rules(FILE *outmk);
|
|
static void prog_makefile_rules(FILE *outmk, prog_t *p);
|
|
static void output_strlst(FILE *outf, strlst_t *lst);
|
|
static char *genident(char *str);
|
|
static char *dir_search(char *progname);
|
|
|
|
|
|
static void
|
|
gen_outputs(void)
|
|
{
|
|
prog_t *p;
|
|
|
|
for (p = progs; p != NULL; p = p->next)
|
|
fillin_program(p);
|
|
|
|
remove_error_progs();
|
|
gen_specials_cache();
|
|
gen_output_cfile();
|
|
gen_output_makefile();
|
|
status("");
|
|
fprintf(stderr,
|
|
"Run \"make -f %s objs exe\" to build crunched binary.\n",
|
|
outmkname);
|
|
}
|
|
|
|
|
|
static void
|
|
fillin_program(prog_t *p)
|
|
{
|
|
char path[MAXPATHLEN];
|
|
char *srcparent;
|
|
strlst_t *s;
|
|
|
|
(void)snprintf(line, sizeof(line), "filling in parms for %s", p->name);
|
|
status(line);
|
|
|
|
if (!p->ident)
|
|
p->ident = genident(p->name);
|
|
if (!p->srcdir) {
|
|
srcparent = dir_search(p->name);
|
|
if (srcparent) {
|
|
(void)snprintf(path, sizeof(path), "%s/%s", srcparent, p->name);
|
|
if (is_dir(path)) {
|
|
if (path[0] == '/') {
|
|
if ((p->srcdir = strdup(path)) == NULL)
|
|
out_of_memory();
|
|
} else {
|
|
char tmppath[MAXPATHLEN];
|
|
if (topdir[0] == '\0')
|
|
(void)estrlcpy(tmppath, curdir, sizeof(tmppath));
|
|
else
|
|
(void)estrlcpy(tmppath, topdir, sizeof(tmppath));
|
|
(void)estrlcat(tmppath, "/", sizeof(tmppath));
|
|
(void)estrlcat(tmppath, path, sizeof(tmppath));
|
|
if ((p->srcdir = strdup(tmppath)) == NULL)
|
|
out_of_memory();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!p->srcdir && verbose)
|
|
fprintf(stderr, "%s: %s: warning: could not find source directory.\n",
|
|
infilename, p->name);
|
|
|
|
if (!p->objdir && p->srcdir && useobjs) {
|
|
if (makeobjdirprefix) {
|
|
(void)snprintf(path, sizeof(path), "%s/%s", makeobjdirprefix, p->srcdir);
|
|
if (is_dir(path))
|
|
p->objdir = strdup(path);
|
|
}
|
|
if (!p->objdir) {
|
|
(void)snprintf(path, sizeof(path), "%s/obj.%s", p->srcdir, machine);
|
|
if (is_dir(path))
|
|
p->objdir = strdup(path);
|
|
}
|
|
if (!p->objdir) {
|
|
(void)snprintf(path, sizeof(path), "%s/obj", p->srcdir);
|
|
if (is_dir(path))
|
|
p->objdir = strdup(path);
|
|
}
|
|
if (!p->objdir) {
|
|
p->objdir = p->srcdir;
|
|
}
|
|
}
|
|
|
|
if (oneobj)
|
|
return;
|
|
|
|
if (p->srcdir)
|
|
(void)snprintf(path, sizeof(path), "%s/Makefile", p->srcdir);
|
|
if (!p->objs && p->srcdir && is_nonempty_file(path))
|
|
fillin_program_objs(p, p->srcdir);
|
|
|
|
if (!p->objpaths && p->objs) {
|
|
char *objdir;
|
|
if (p->objdir && useobjs)
|
|
objdir = p->objdir;
|
|
else
|
|
objdir = p->ident;
|
|
for (s = p->objs; s != NULL; s = s->next) {
|
|
(void)snprintf(line, sizeof(line), "%s/%s", objdir, s->str);
|
|
add_string(&p->objpaths, line);
|
|
}
|
|
}
|
|
|
|
if (!p->objs && verbose)
|
|
fprintf(stderr, "%s: %s: warning: could not find any .o files.\n",
|
|
infilename, p->name);
|
|
|
|
if (!p->objpaths) {
|
|
fprintf(stderr,
|
|
"%s: %s: error: no objpaths specified or calculated.\n",
|
|
infilename, p->name);
|
|
p->goterror = goterror = 1;
|
|
}
|
|
}
|
|
|
|
static void
|
|
fillin_program_objs(prog_t *p, char *dirpath)
|
|
{
|
|
char *obj, *cp;
|
|
int rc;
|
|
int fd;
|
|
FILE *f;
|
|
char tempfname[MAXPATHLEN];
|
|
|
|
/* discover the objs from the srcdir Makefile */
|
|
|
|
(void)snprintf(tempfname, sizeof(tempfname), "/tmp/%sXXXXXX", confname);
|
|
if ((fd = mkstemp(tempfname)) < 0) {
|
|
perror(tempfname);
|
|
exit(1);
|
|
}
|
|
|
|
if ((f = fdopen(fd, "w")) == NULL) {
|
|
perror(tempfname);
|
|
goterror = 1;
|
|
return;
|
|
}
|
|
|
|
fprintf(f, ".include \"${.CURDIR}/Makefile\"\n");
|
|
fprintf(f, ".if defined(PROG)\n");
|
|
fprintf(f, "OBJS?= ${PROG}.o\n");
|
|
fprintf(f, ".endif\n");
|
|
fprintf(f, "crunchgen_objs:\n\t@echo 'OBJS= '${OBJS}\n");
|
|
fclose(f);
|
|
|
|
(void)snprintf(line, sizeof(line),
|
|
"cd %s && %s -B -f %s %s CRUNCHEDPROG=1 crunchgen_objs 2>&1", dirpath,
|
|
makebin, tempfname, makeflags);
|
|
if ((f = popen(line, "r")) == NULL) {
|
|
perror("submake pipe");
|
|
goterror = 1;
|
|
unlink(tempfname);
|
|
return;
|
|
}
|
|
|
|
while (fgets(line, MAXLINELEN, f)) {
|
|
if (strncmp(line, "OBJS= ", 6)) {
|
|
if (strcmp(line,
|
|
"sh: warning: running as root with dot in PATH\n") == 0)
|
|
continue;
|
|
fprintf(stderr, "make error: %s", line);
|
|
goterror = 1;
|
|
continue;
|
|
}
|
|
cp = line + 6;
|
|
while (isspace((unsigned char)*cp))
|
|
cp++;
|
|
while (*cp) {
|
|
obj = cp;
|
|
while (*cp && !isspace((unsigned char)*cp))
|
|
cp++;
|
|
if (*cp)
|
|
*cp++ = '\0';
|
|
add_string(&p->objs, obj);
|
|
while (isspace((unsigned char)*cp))
|
|
cp++;
|
|
}
|
|
}
|
|
if ((rc=pclose(f)) != 0) {
|
|
fprintf(stderr, "make error: make returned %d\n", rc);
|
|
goterror = 1;
|
|
}
|
|
unlink(tempfname);
|
|
}
|
|
|
|
static void
|
|
remove_error_progs(void)
|
|
{
|
|
prog_t *p1, *p2;
|
|
|
|
p1 = NULL; p2 = progs;
|
|
while (p2 != NULL) {
|
|
if (!p2->goterror)
|
|
p1 = p2, p2 = p2->next;
|
|
else {
|
|
/* delete it from linked list */
|
|
fprintf(stderr, "%s: %s: ignoring program because of errors.\n",
|
|
infilename, p2->name);
|
|
if (p1)
|
|
p1->next = p2->next;
|
|
else
|
|
progs = p2->next;
|
|
p2 = p2->next;
|
|
}
|
|
}
|
|
}
|
|
|
|
static void
|
|
gen_specials_cache(void)
|
|
{
|
|
FILE *cachef;
|
|
prog_t *p;
|
|
|
|
(void)snprintf(line, sizeof(line), "generating %s", cachename);
|
|
status(line);
|
|
|
|
if ((cachef = fopen(cachename, "w")) == NULL) {
|
|
perror(cachename);
|
|
goterror = 1;
|
|
return;
|
|
}
|
|
|
|
fprintf(cachef, "# %s - parm cache generated from %s by crunchgen %s\n\n",
|
|
cachename, infilename, CRUNCH_VERSION);
|
|
|
|
for (p = progs; p != NULL; p = p->next) {
|
|
fprintf(cachef, "\n");
|
|
if (p->srcdir)
|
|
fprintf(cachef, "special %s srcdir %s\n", p->name, p->srcdir);
|
|
if (p->objdir && useobjs)
|
|
fprintf(cachef, "special %s objdir %s\n", p->name, p->objdir);
|
|
if (p->objs) {
|
|
fprintf(cachef, "special %s objs", p->name);
|
|
output_strlst(cachef, p->objs);
|
|
}
|
|
if (p->objpaths) {
|
|
fprintf(cachef, "special %s objpaths", p->name);
|
|
output_strlst(cachef, p->objpaths);
|
|
}
|
|
}
|
|
fclose(cachef);
|
|
}
|
|
|
|
|
|
static void
|
|
gen_output_makefile(void)
|
|
{
|
|
prog_t *p;
|
|
FILE *outmk;
|
|
|
|
(void)snprintf(line, sizeof(line), "generating %s", outmkname);
|
|
status(line);
|
|
|
|
if ((outmk = fopen(outmkname, "w")) == NULL) {
|
|
perror(outmkname);
|
|
goterror = 1;
|
|
return;
|
|
}
|
|
|
|
fprintf(outmk, "# %s - generated from %s by crunchgen %s\n\n",
|
|
outmkname, infilename, CRUNCH_VERSION);
|
|
|
|
top_makefile_rules(outmk);
|
|
|
|
for (p = progs; p != NULL; p = p->next)
|
|
prog_makefile_rules(outmk, p);
|
|
|
|
fprintf(outmk, "\n.include <bsd.prog.mk>\n");
|
|
fprintf(outmk, "\n# ========\n");
|
|
|
|
bottom_makefile_rules(outmk);
|
|
|
|
fclose(outmk);
|
|
}
|
|
|
|
|
|
static void
|
|
gen_output_cfile(void)
|
|
{
|
|
char **cp;
|
|
FILE *outcf;
|
|
prog_t *p;
|
|
strlst_t *s;
|
|
|
|
(void)snprintf(line, sizeof(line), "generating %s", outcfname);
|
|
status(line);
|
|
|
|
if ((outcf = fopen(outcfname, "w")) == NULL) {
|
|
perror(outcfname);
|
|
goterror = 1;
|
|
return;
|
|
}
|
|
|
|
fprintf(outcf,
|
|
"/* %s - generated from %s by crunchgen %s */\n",
|
|
outcfname, infilename, CRUNCH_VERSION);
|
|
|
|
fprintf(outcf, "#define EXECNAME \"%s\"\n", execfname);
|
|
for (cp = crunched_skel; *cp != NULL; cp++)
|
|
fprintf(outcf, "%s\n", *cp);
|
|
|
|
for (p = progs; p != NULL; p = p->next)
|
|
fprintf(outcf, "extern int _crunched_%s_stub(int, char **, char **);\n",
|
|
p->ident);
|
|
|
|
fprintf(outcf, "\nstatic const struct stub entry_points[] = {\n");
|
|
for (p = progs; p != NULL; p = p->next) {
|
|
fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n",
|
|
p->name, p->ident);
|
|
for (s = p->links; s != NULL; s = s->next)
|
|
fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n",
|
|
s->str, p->ident);
|
|
}
|
|
|
|
fprintf(outcf, "\t{ EXECNAME, crunched_main },\n");
|
|
fprintf(outcf, "\t{ NULL, NULL }\n};\n");
|
|
fclose(outcf);
|
|
}
|
|
|
|
|
|
static char *
|
|
genident(char *str)
|
|
{
|
|
char *n,*s,*d;
|
|
|
|
/*
|
|
* generates a Makefile/C identifier from a program name, mapping '-' to
|
|
* '_' and ignoring all other non-identifier characters. This leads to
|
|
* programs named "foo.bar" and "foobar" to map to the same identifier.
|
|
*/
|
|
|
|
if ((n = strdup(str)) == NULL)
|
|
return NULL;
|
|
for (d = s = n; *s != '\0'; s++) {
|
|
if (*s == '-')
|
|
*d++ = '_';
|
|
else
|
|
if (*s == '_' || isalnum((unsigned char)*s))
|
|
*d++ = *s;
|
|
}
|
|
*d = '\0';
|
|
return n;
|
|
}
|
|
|
|
|
|
static char *
|
|
dir_search(char *progname)
|
|
{
|
|
char path[MAXPATHLEN];
|
|
strlst_t *dir;
|
|
|
|
for (dir=srcdirs; dir != NULL; dir=dir->next) {
|
|
(void)snprintf(path, sizeof(path), "%s/%s", dir->str, progname);
|
|
if (is_dir(path))
|
|
return dir->str;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
|
|
static void
|
|
top_makefile_rules(FILE *outmk)
|
|
{
|
|
prog_t *p;
|
|
|
|
fprintf(outmk, "NOMAN=\n\n");
|
|
|
|
fprintf(outmk, "DBG=%s\n", dbg);
|
|
fprintf(outmk, "MAKE?=make\n");
|
|
#ifdef NEW_TOOLCHAIN
|
|
fprintf(outmk, "OBJCOPY?=objcopy\n");
|
|
fprintf(outmk, "NM?=nm\n");
|
|
fprintf(outmk, "AWK?=awk\n");
|
|
#else
|
|
fprintf(outmk, "CRUNCHIDE?=crunchide\n");
|
|
#endif
|
|
|
|
fprintf(outmk, "CRUNCHED_OBJS=");
|
|
for (p = progs; p != NULL; p = p->next)
|
|
fprintf(outmk, " %s.cro", p->name);
|
|
fprintf(outmk, "\n");
|
|
fprintf(outmk, "DPADD+= ${CRUNCHED_OBJS}\n");
|
|
fprintf(outmk, "LDADD+= ${CRUNCHED_OBJS} ");
|
|
output_strlst(outmk, libs);
|
|
fprintf(outmk, "CRUNCHEDOBJSDIRS=");
|
|
for (p = progs; p != NULL; p = p->next)
|
|
fprintf(outmk, " %s", p->ident);
|
|
fprintf(outmk, "\n\n");
|
|
|
|
fprintf(outmk, "SUBMAKE_TARGETS=");
|
|
for (p = progs; p != NULL; p = p->next)
|
|
fprintf(outmk, " %s_make", p->ident);
|
|
fprintf(outmk, "\n\n");
|
|
|
|
fprintf(outmk, "LDSTATIC=-static\n\n");
|
|
fprintf(outmk, "PROG=%s\n\n", execfname);
|
|
|
|
fprintf(outmk, "all: ${PROG}.crunched\n");
|
|
fprintf(outmk, "${PROG}.crunched: ${SUBMAKE_TARGETS} .WAIT ${PROG}.strip\n");
|
|
fprintf(outmk, "${PROG}.strip:\n");
|
|
fprintf(outmk, "\t${MAKE} -f ${PROG}.mk ${PROG}\n");
|
|
fprintf(outmk, "\t@[ -f ${PROG}.unstripped -a ! ${PROG} -nt ${PROG}.unstripped ] || { \\\n");
|
|
fprintf(outmk, "\t\t${_MKSHMSG:Uecho} \" strip \" ${PROG}; \\\n");
|
|
fprintf(outmk, "\t\tcp ${PROG} ${PROG}.unstripped && \\\n");
|
|
fprintf(outmk, "\t\t${OBJCOPY} -S -R .note -R .ident -R .comment -R .copyright ${PROG} && \\\n");
|
|
fprintf(outmk, "\t\ttouch ${PROG}.unstripped; \\\n");
|
|
fprintf(outmk, "\t}\n");
|
|
fprintf(outmk, "objs: $(SUBMAKE_TARGETS)\n");
|
|
fprintf(outmk, "exe: %s\n", execfname);
|
|
fprintf(outmk, "clean:\n\trm -rf %s *.cro *.cro.syms *.o *_stub.c ${CRUNCHEDOBJSDIRS} ${PROG}.unstripped\n",
|
|
execfname);
|
|
}
|
|
|
|
static void
|
|
bottom_makefile_rules(FILE *outmk)
|
|
{
|
|
}
|
|
|
|
|
|
static void
|
|
prog_makefile_rules(FILE *outmk, prog_t *p)
|
|
{
|
|
strlst_t *lst;
|
|
|
|
fprintf(outmk, "\n# -------- %s\n\n", p->name);
|
|
|
|
fprintf(outmk, "%s_OBJPATHS=", p->ident);
|
|
#ifndef NEW_TOOLCHAIN
|
|
fprintf(outmk, " %s_stub.o", p->name);
|
|
#endif
|
|
if (p->objs)
|
|
output_strlst(outmk, p->objpaths);
|
|
else
|
|
fprintf(outmk, " %s/%s.ro\n", p->ident, p->name);
|
|
|
|
if (p->srcdir && !useobjs) {
|
|
fprintf(outmk, "%s_SRCDIR=%s\n", p->ident, p->srcdir);
|
|
if (p->objs) {
|
|
fprintf(outmk, "%s_OBJS=", p->ident);
|
|
output_strlst(outmk, p->objs);
|
|
}
|
|
fprintf(outmk, "%s_make: %s .PHONY\n", p->ident, p->ident);
|
|
fprintf(outmk, "\t( cd %s; printf '.PATH: ${%s_SRCDIR}\\n"
|
|
".CURDIR:= ${%s_SRCDIR}\\n"
|
|
".include \"$${.CURDIR}/Makefile\"\\n",
|
|
p->ident, p->ident, p->ident);
|
|
for (lst = vars; lst != NULL; lst = lst->next)
|
|
fprintf(outmk, "%s\\n", lst->str);
|
|
fprintf(outmk, "'\\\n");
|
|
#define MAKECMD \
|
|
"\t| ${MAKE} -f- CRUNCHEDPROG=1 DBG=\"${DBG}\" LDSTATIC=\"${LDSTATIC}\" "
|
|
fprintf(outmk, MAKECMD "depend");
|
|
fprintf(outmk, " )\n");
|
|
fprintf(outmk, "\t( cd %s; printf '.PATH: ${%s_SRCDIR}\\n"
|
|
".CURDIR:= ${%s_SRCDIR}\\n"
|
|
".include \"$${.CURDIR}/Makefile\"\\n",
|
|
p->ident, p->ident, p->ident);
|
|
for (lst = vars; lst != NULL; lst = lst->next)
|
|
fprintf(outmk, "%s\\n", lst->str);
|
|
fprintf(outmk, "'\\\n");
|
|
fprintf(outmk, MAKECMD);
|
|
if (p->objs)
|
|
fprintf(outmk, "${%s_OBJS} ) \n\n", p->ident);
|
|
else
|
|
fprintf(outmk, "%s.ro ) \n\n", p->name);
|
|
} else
|
|
fprintf(outmk, "%s_make:\n\t@echo \"** Using existing objs for %s\"\n\n",
|
|
p->ident, p->name);
|
|
|
|
#ifdef NEW_TOOLCHAIN
|
|
fprintf(outmk, "%s:\n\t mkdir %s\n", p->ident, p->ident);
|
|
#endif
|
|
fprintf(outmk, "%s.cro: %s .WAIT ${%s_OBJPATHS}\n",
|
|
p->name, p->ident, p->ident);
|
|
|
|
#ifdef NEW_TOOLCHAIN
|
|
if (p->objs)
|
|
fprintf(outmk, "\t${LD} -r -o %s/%s.ro $(%s_OBJPATHS)\n",
|
|
p->ident, p->name, p->ident);
|
|
/* Use one awk command.... */
|
|
fprintf(outmk, "\t${NM} -ng %s/%s.ro | ${AWK} '/^ *U / { next };",
|
|
p->ident, p->name);
|
|
fprintf(outmk, " /^[0-9a-fA-F]+ C/ { next };");
|
|
for (lst = p->keepsymbols; lst != NULL; lst = lst->next)
|
|
fprintf(outmk, " / %s$$/ { next };", lst->str);
|
|
fprintf(outmk, " / main$$/ { print \"main _crunched_%s_stub\"; next };",
|
|
p->ident);
|
|
/* gdb thinks these are C++ and ignores everthing after the first $$. */
|
|
fprintf(outmk, " { print $$3 \" \" $$3 \"$$$$from$$$$%s\" }' "
|
|
"> %s.cro.syms\n", p->name, p->name);
|
|
fprintf(outmk, "\t${OBJCOPY} --redefine-syms %s.cro.syms ", p->name);
|
|
fprintf(outmk, "%s/%s.ro %s.cro\n", p->ident, p->name, p->name);
|
|
#else
|
|
fprintf(outmk, "\t${LD} -dc -r -o %s.cro $(%s_OBJPATHS)\n",
|
|
p->name, p->ident);
|
|
fprintf(outmk, "\t${CRUNCHIDE} -k _crunched_%s_stub ", p->ident);
|
|
for (lst = p->keepsymbols; lst != NULL; lst = lst->next)
|
|
fprintf(outmk, "-k %s ", lst->str);
|
|
fprintf(outmk, "%s.cro\n", p->name);
|
|
fprintf(outmk, "%s_stub.c:\n", p->name);
|
|
fprintf(outmk, "\techo \""
|
|
"int _crunched_%s_stub(int argc, char **argv, char **envp)"
|
|
"{return main(argc,argv,envp);}\" >%s_stub.c\n",
|
|
p->ident, p->name);
|
|
#endif
|
|
}
|
|
|
|
static void
|
|
output_strlst(FILE *outf, strlst_t *lst)
|
|
{
|
|
for (; lst != NULL; lst = lst->next)
|
|
fprintf(outf, " %s", lst->str);
|
|
fprintf(outf, "\n");
|
|
}
|
|
|
|
|
|
/*
|
|
* ========================================================================
|
|
* general library routines
|
|
*
|
|
*/
|
|
|
|
static void
|
|
status(const char *str)
|
|
{
|
|
static int lastlen = 0;
|
|
int len, spaces;
|
|
|
|
if (!verbose)
|
|
return;
|
|
|
|
len = strlen(str);
|
|
spaces = lastlen - len;
|
|
if (spaces < 1)
|
|
spaces = 1;
|
|
|
|
fprintf(stderr, " [%s]%*.*s\r", str, spaces, spaces, " ");
|
|
fflush(stderr);
|
|
lastlen = len;
|
|
}
|
|
|
|
|
|
static void
|
|
out_of_memory(void)
|
|
{
|
|
fprintf(stderr, "%s: %d: out of memory, stopping.\n", infilename, linenum);
|
|
exit(1);
|
|
}
|
|
|
|
|
|
static void
|
|
add_string(strlst_t **listp, char *str)
|
|
{
|
|
strlst_t *p1, *p2;
|
|
|
|
/* add to end, but be smart about dups */
|
|
|
|
for (p1 = NULL, p2 = *listp; p2 != NULL; p1 = p2, p2 = p2->next)
|
|
if (!strcmp(p2->str, str))
|
|
return;
|
|
|
|
p2 = malloc(sizeof(strlst_t));
|
|
if (p2)
|
|
p2->str = strdup(str);
|
|
if (!p2 || !p2->str)
|
|
out_of_memory();
|
|
|
|
p2->next = NULL;
|
|
if (p1 == NULL)
|
|
*listp = p2;
|
|
else
|
|
p1->next = p2;
|
|
}
|
|
|
|
|
|
static int
|
|
is_dir(const char *pathname)
|
|
{
|
|
struct stat buf;
|
|
|
|
if (stat(pathname, &buf) == -1)
|
|
return 0;
|
|
return S_ISDIR(buf.st_mode);
|
|
}
|
|
|
|
static int
|
|
is_nonempty_file(const char *pathname)
|
|
{
|
|
struct stat buf;
|
|
|
|
if (stat(pathname, &buf) == -1)
|
|
return 0;
|
|
|
|
return S_ISREG(buf.st_mode) && buf.st_size > 0;
|
|
}
|