crunchgen.c revision 56995
11722Sjkh/* 21722Sjkh * Copyright (c) 1994 University of Maryland 31722Sjkh * All Rights Reserved. 41722Sjkh * 51722Sjkh * Permission to use, copy, modify, distribute, and sell this software and its 61722Sjkh * documentation for any purpose is hereby granted without fee, provided that 71722Sjkh * the above copyright notice appear in all copies and that both that 81722Sjkh * copyright notice and this permission notice appear in supporting 91722Sjkh * documentation, and that the name of U.M. not be used in advertising or 101722Sjkh * publicity pertaining to distribution of the software without specific, 111722Sjkh * written prior permission. U.M. makes no representations about the 121722Sjkh * suitability of this software for any purpose. It is provided "as is" 131722Sjkh * without express or implied warranty. 141722Sjkh * 151722Sjkh * U.M. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL 161722Sjkh * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL U.M. 171722Sjkh * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 181722Sjkh * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION 191722Sjkh * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN 201722Sjkh * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 211722Sjkh * 221722Sjkh * Author: James da Silva, Systems Design and Analysis Group 231722Sjkh * Computer Science Department 241722Sjkh * University of Maryland at College Park 2556995Sluigi * 2656995Sluigi * $FreeBSD: head/usr.sbin/crunch/crunchgen/crunchgen.c 56995 2000-02-05 10:29:19Z luigi $ 271722Sjkh */ 281722Sjkh/* 291722Sjkh * ======================================================================== 301722Sjkh * crunchgen.c 311722Sjkh * 321722Sjkh * Generates a Makefile and main C file for a crunched executable, 338857Srgrimes * from specs given in a .conf file. 341722Sjkh */ 3529453Scharnier#include <ctype.h> 3629453Scharnier#include <err.h> 3729453Scharnier#include <stdio.h> 381722Sjkh#include <stdlib.h> 3929453Scharnier#include <string.h> 401722Sjkh#include <unistd.h> 411722Sjkh 421722Sjkh#include <sys/types.h> 431722Sjkh#include <sys/stat.h> 441722Sjkh#include <sys/param.h> 451722Sjkh 461722Sjkh#define CRUNCH_VERSION "0.2" 471722Sjkh 481722Sjkh#define MAXLINELEN 16384 491722Sjkh#define MAXFIELDS 2048 501722Sjkh 511722Sjkh 521722Sjkh/* internal representation of conf file: */ 531722Sjkh 541722Sjkh/* simple lists of strings suffice for most parms */ 551722Sjkh 561722Sjkhtypedef struct strlst { 571722Sjkh struct strlst *next; 581722Sjkh char *str; 591722Sjkh} strlst_t; 601722Sjkh 611722Sjkh/* progs have structure, each field can be set with "special" or calculated */ 621722Sjkh 631722Sjkhtypedef struct prog { 6456995Sluigi struct prog *next; /* link field */ 6556995Sluigi char *name; /* program name */ 6656995Sluigi char *ident; /* C identifier for the program name */ 6756995Sluigi char *srcdir; 6856995Sluigi char *objdir; 6956995Sluigi char *objvar; /* Makefile variable to replace OBJS */ 701722Sjkh strlst_t *objs, *objpaths; 7130120Sjoerg strlst_t *keeplist; 721722Sjkh strlst_t *links; 731722Sjkh int goterror; 741722Sjkh} prog_t; 751722Sjkh 761722Sjkh 771722Sjkh/* global state */ 781722Sjkh 791722Sjkhstrlst_t *srcdirs = NULL; 801722Sjkhstrlst_t *libs = NULL; 811722Sjkhprog_t *progs = NULL; 821722Sjkh 831722Sjkhchar line[MAXLINELEN]; 841722Sjkh 851722Sjkhchar confname[MAXPATHLEN], infilename[MAXPATHLEN]; 861722Sjkhchar outmkname[MAXPATHLEN], outcfname[MAXPATHLEN], execfname[MAXPATHLEN]; 871722Sjkhchar tempfname[MAXPATHLEN], cachename[MAXPATHLEN], curfilename[MAXPATHLEN]; 8856995Sluigichar outhdrname[MAXPATHLEN] ; /* user-supplied header for *.mk */ 891722Sjkhint linenum = -1; 901722Sjkhint goterror = 0; 911722Sjkh 921722Sjkhint verbose, readcache; /* options */ 931722Sjkhint reading_cache; 941722Sjkh 956696Sphkint list_mode; 966696Sphk 971722Sjkh/* general library routines */ 981722Sjkh 991722Sjkhvoid status(char *str); 1001722Sjkhvoid out_of_memory(void); 1011722Sjkhvoid add_string(strlst_t **listp, char *str); 1021722Sjkhint is_dir(char *pathname); 1031722Sjkhint is_nonempty_file(char *pathname); 1041722Sjkh 1051722Sjkh/* helper routines for main() */ 1061722Sjkh 1078857Srgrimesvoid usage(void); 1081722Sjkhvoid parse_conf_file(void); 1091722Sjkhvoid gen_outputs(void); 1101722Sjkh 1111722Sjkh 1121722Sjkhint main(int argc, char **argv) 1131722Sjkh{ 1141722Sjkh char *p; 1151722Sjkh int optc; 1161722Sjkh 1171722Sjkh verbose = 1; 1181722Sjkh readcache = 1; 1191722Sjkh *outmkname = *outcfname = *execfname = '\0'; 1208857Srgrimes 12156995Sluigi while((optc = getopt(argc, argv, "lh:m:c:e:fq")) != -1) { 1221722Sjkh switch(optc) { 1231722Sjkh case 'f': readcache = 0; break; 1241722Sjkh case 'q': verbose = 0; break; 1251722Sjkh 1261722Sjkh case 'm': strcpy(outmkname, optarg); break; 12756995Sluigi case 'h': strcpy(outhdrname, optarg); break; 1281722Sjkh case 'c': strcpy(outcfname, optarg); break; 1291722Sjkh case 'e': strcpy(execfname, optarg); break; 1306696Sphk case 'l': list_mode++; verbose = 0; break; 1311722Sjkh 1321722Sjkh case '?': 1331722Sjkh default: usage(); 1341722Sjkh } 1351722Sjkh } 1361722Sjkh 1371722Sjkh argc -= optind; 1381722Sjkh argv += optind; 1391722Sjkh 1401722Sjkh if(argc != 1) usage(); 1411722Sjkh 1428857Srgrimes /* 1431722Sjkh * generate filenames 1441722Sjkh */ 1451722Sjkh 1461722Sjkh strcpy(infilename, argv[0]); 1471722Sjkh 1481722Sjkh /* confname = `basename infilename .conf` */ 1491722Sjkh 1501722Sjkh if((p=strrchr(infilename, '/')) != NULL) strcpy(confname, p+1); 1511722Sjkh else strcpy(confname, infilename); 1521722Sjkh if((p=strrchr(confname, '.')) != NULL && !strcmp(p, ".conf")) *p = '\0'; 1531722Sjkh 1541722Sjkh if(!*outmkname) sprintf(outmkname, "%s.mk", confname); 1551722Sjkh if(!*outcfname) sprintf(outcfname, "%s.c", confname); 1561722Sjkh if(!*execfname) sprintf(execfname, "%s", confname); 1571722Sjkh 1581722Sjkh sprintf(cachename, "%s.cache", confname); 1591722Sjkh sprintf(tempfname, ".tmp_%sXXXXXX", confname); 1601722Sjkh if(mktemp(tempfname) == NULL) { 1611722Sjkh perror(tempfname); 1621722Sjkh exit(1); 1631722Sjkh } 1641722Sjkh 1651722Sjkh parse_conf_file(); 1666696Sphk if (list_mode) 1676696Sphk exit(goterror); 1686696Sphk 1691722Sjkh gen_outputs(); 1701722Sjkh 1711722Sjkh exit(goterror); 1721722Sjkh} 1731722Sjkh 1741722Sjkh 1751722Sjkhvoid usage(void) 1761722Sjkh{ 17729453Scharnier fprintf(stderr, "%s\n%s\n", 17829453Scharnier "usage: crunchgen [-fq] [-m <makefile>] [-c <c file>]", 17929453Scharnier " [-e <exec file>] <conffile>"); 1801722Sjkh exit(1); 1811722Sjkh} 1821722Sjkh 1831722Sjkh 1841722Sjkh/* 1851722Sjkh * ======================================================================== 1861722Sjkh * parse_conf_file subsystem 1871722Sjkh * 1881722Sjkh */ 1891722Sjkh 1901722Sjkh/* helper routines for parse_conf_file */ 1911722Sjkh 1921722Sjkhvoid parse_one_file(char *filename); 1938857Srgrimesvoid parse_line(char *line, int *fc, char **fv, int nf); 1941722Sjkhvoid add_srcdirs(int argc, char **argv); 1951722Sjkhvoid add_progs(int argc, char **argv); 1961722Sjkhvoid add_link(int argc, char **argv); 1971722Sjkhvoid add_libs(int argc, char **argv); 1981722Sjkhvoid add_special(int argc, char **argv); 1991722Sjkh 2001722Sjkhprog_t *find_prog(char *str); 2011722Sjkhvoid add_prog(char *progname); 2021722Sjkh 2031722Sjkh 2041722Sjkhvoid parse_conf_file(void) 2051722Sjkh{ 20629453Scharnier if(!is_nonempty_file(infilename)) 20729453Scharnier errx(1, "fatal: input file \"%s\" not found", infilename); 2081722Sjkh parse_one_file(infilename); 2091722Sjkh if(readcache && is_nonempty_file(cachename)) { 2101722Sjkh reading_cache = 1; 2111722Sjkh parse_one_file(cachename); 2121722Sjkh } 2131722Sjkh} 2141722Sjkh 2151722Sjkh 2161722Sjkhvoid parse_one_file(char *filename) 2171722Sjkh{ 2181722Sjkh char *fieldv[MAXFIELDS]; 2191722Sjkh int fieldc; 2201722Sjkh void (*f)(int c, char **v); 2211722Sjkh FILE *cf; 2221722Sjkh 2231722Sjkh sprintf(line, "reading %s", filename); 2241722Sjkh status(line); 2251722Sjkh strcpy(curfilename, filename); 2261722Sjkh 2271722Sjkh if((cf = fopen(curfilename, "r")) == NULL) { 22829453Scharnier warn("%s", curfilename); 2291722Sjkh goterror = 1; 2301722Sjkh return; 2311722Sjkh } 2321722Sjkh 2331722Sjkh linenum = 0; 2341722Sjkh while(fgets(line, MAXLINELEN, cf) != NULL) { 2351722Sjkh linenum++; 2361722Sjkh parse_line(line, &fieldc, fieldv, MAXFIELDS); 2371722Sjkh if(fieldc < 1) continue; 2381722Sjkh if(!strcmp(fieldv[0], "srcdirs")) f = add_srcdirs; 2391722Sjkh else if(!strcmp(fieldv[0], "progs")) f = add_progs; 2401722Sjkh else if(!strcmp(fieldv[0], "ln")) f = add_link; 2411722Sjkh else if(!strcmp(fieldv[0], "libs")) f = add_libs; 2421722Sjkh else if(!strcmp(fieldv[0], "special")) f = add_special; 2431722Sjkh else { 24429453Scharnier warnx("%s:%d: skipping unknown command `%s'", 2451722Sjkh curfilename, linenum, fieldv[0]); 2461722Sjkh goterror = 1; 2471722Sjkh continue; 2481722Sjkh } 2491722Sjkh if(fieldc < 2) { 25029453Scharnier warnx("%s:%d: %s command needs at least 1 argument, skipping", 2511722Sjkh curfilename, linenum, fieldv[0]); 2521722Sjkh goterror = 1; 2531722Sjkh continue; 2541722Sjkh } 2551722Sjkh f(fieldc, fieldv); 2561722Sjkh } 2571722Sjkh 2581722Sjkh if(ferror(cf)) { 25929453Scharnier warn("%s", curfilename); 2601722Sjkh goterror = 1; 2611722Sjkh } 2621722Sjkh fclose(cf); 2631722Sjkh} 2641722Sjkh 2651722Sjkh 2661722Sjkhvoid parse_line(char *line, int *fc, char **fv, int nf) 2671722Sjkh{ 2681722Sjkh char *p; 2691722Sjkh 2701722Sjkh p = line; 2711722Sjkh *fc = 0; 2721722Sjkh while(1) { 2731722Sjkh while(isspace(*p)) p++; 2741722Sjkh if(*p == '\0' || *p == '#') break; 2751722Sjkh 2761722Sjkh if(*fc < nf) fv[(*fc)++] = p; 2771722Sjkh while(*p && !isspace(*p) && *p != '#') p++; 2781722Sjkh if(*p == '\0' || *p == '#') break; 2791722Sjkh *p++ = '\0'; 2801722Sjkh } 2811722Sjkh if(*p) *p = '\0'; /* needed for '#' case */ 2821722Sjkh} 2831722Sjkh 2841722Sjkh 2851722Sjkhvoid add_srcdirs(int argc, char **argv) 2861722Sjkh{ 2871722Sjkh int i; 2881722Sjkh 2891722Sjkh for(i=1;i<argc;i++) { 2901722Sjkh if(is_dir(argv[i])) 2911722Sjkh add_string(&srcdirs, argv[i]); 2921722Sjkh else { 29329453Scharnier warnx("%s:%d: `%s' is not a directory, skipping it", 2941722Sjkh curfilename, linenum, argv[i]); 2951722Sjkh goterror = 1; 2961722Sjkh } 2971722Sjkh } 2981722Sjkh} 2991722Sjkh 3001722Sjkh 3011722Sjkhvoid add_progs(int argc, char **argv) 3021722Sjkh{ 3031722Sjkh int i; 3041722Sjkh 3051722Sjkh for(i=1;i<argc;i++) 3061722Sjkh add_prog(argv[i]); 3071722Sjkh} 3081722Sjkh 3091722Sjkh 3101722Sjkhvoid add_prog(char *progname) 3111722Sjkh{ 3121722Sjkh prog_t *p1, *p2; 3131722Sjkh 3141722Sjkh /* add to end, but be smart about dups */ 3151722Sjkh 3161722Sjkh for(p1 = NULL, p2 = progs; p2 != NULL; p1 = p2, p2 = p2->next) 3171722Sjkh if(!strcmp(p2->name, progname)) return; 3181722Sjkh 3191722Sjkh p2 = malloc(sizeof(prog_t)); 32019822Sjoerg if(p2) { 32119822Sjoerg memset(p2, 0, sizeof(prog_t)); 32219822Sjoerg p2->name = strdup(progname); 32319822Sjoerg } 3248857Srgrimes if(!p2 || !p2->name) 3251722Sjkh out_of_memory(); 3261722Sjkh 3271722Sjkh p2->next = NULL; 3281722Sjkh if(p1 == NULL) progs = p2; 3291722Sjkh else p1->next = p2; 3301722Sjkh 3311722Sjkh p2->ident = p2->srcdir = p2->objdir = NULL; 33230120Sjoerg p2->links = p2->objs = p2->keeplist = NULL; 3331722Sjkh p2->goterror = 0; 3346696Sphk if (list_mode) 3356696Sphk printf("%s\n",progname); 3361722Sjkh} 3371722Sjkh 3381722Sjkh 3391722Sjkhvoid add_link(int argc, char **argv) 3401722Sjkh{ 3411722Sjkh int i; 3421722Sjkh prog_t *p = find_prog(argv[1]); 3431722Sjkh 3441722Sjkh if(p == NULL) { 34529453Scharnier warnx("%s:%d: no prog %s previously declared, skipping link", 3461722Sjkh curfilename, linenum, argv[1]); 3471722Sjkh goterror = 1; 3481722Sjkh return; 3491722Sjkh } 3506696Sphk for(i=2;i<argc;i++) { 3516696Sphk if (list_mode) 3526696Sphk printf("%s\n",argv[i]); 3531722Sjkh add_string(&p->links, argv[i]); 3546696Sphk } 3551722Sjkh} 3561722Sjkh 3571722Sjkh 3581722Sjkhvoid add_libs(int argc, char **argv) 3591722Sjkh{ 3601722Sjkh int i; 3611722Sjkh 3621722Sjkh for(i=1;i<argc;i++) 3631722Sjkh add_string(&libs, argv[i]); 3641722Sjkh} 3651722Sjkh 3661722Sjkh 3671722Sjkhvoid add_special(int argc, char **argv) 3681722Sjkh{ 3691722Sjkh int i; 3701722Sjkh prog_t *p = find_prog(argv[1]); 3711722Sjkh 3721722Sjkh if(p == NULL) { 3731722Sjkh if(reading_cache) return; 37429453Scharnier warnx("%s:%d: no prog %s previously declared, skipping special", 3751722Sjkh curfilename, linenum, argv[1]); 3761722Sjkh goterror = 1; 3771722Sjkh return; 3781722Sjkh } 3791722Sjkh 3801722Sjkh if(!strcmp(argv[2], "ident")) { 3811722Sjkh if(argc != 4) goto argcount; 3821722Sjkh if((p->ident = strdup(argv[3])) == NULL) 3831722Sjkh out_of_memory(); 3841722Sjkh } 3851722Sjkh else if(!strcmp(argv[2], "srcdir")) { 3861722Sjkh if(argc != 4) goto argcount; 3871722Sjkh if((p->srcdir = strdup(argv[3])) == NULL) 3881722Sjkh out_of_memory(); 3891722Sjkh } 3901722Sjkh else if(!strcmp(argv[2], "objdir")) { 3911722Sjkh if(argc != 4) goto argcount; 3921722Sjkh if((p->objdir = strdup(argv[3])) == NULL) 3931722Sjkh out_of_memory(); 3941722Sjkh } 3951722Sjkh else if(!strcmp(argv[2], "objs")) { 3961722Sjkh p->objs = NULL; 3971722Sjkh for(i=3;i<argc;i++) 3981722Sjkh add_string(&p->objs, argv[i]); 3991722Sjkh } 4001722Sjkh else if(!strcmp(argv[2], "objpaths")) { 4011722Sjkh p->objpaths = NULL; 4021722Sjkh for(i=3;i<argc;i++) 4031722Sjkh add_string(&p->objpaths, argv[i]); 4041722Sjkh } 40530120Sjoerg else if(!strcmp(argv[2], "keep")) { 40630120Sjoerg p->keeplist = NULL; 40730120Sjoerg for(i=3;i<argc;i++) 40830120Sjoerg add_string(&p->keeplist, argv[i]); 40930120Sjoerg } 41056995Sluigi else if(!strcmp(argv[2], "objvar")) { 41156995Sluigi if(argc != 4) 41256995Sluigi goto argcount; 41356995Sluigi if((p->objvar = strdup(argv[3])) == NULL) 41456995Sluigi out_of_memory(); 41556995Sluigi } 4161722Sjkh else { 41729453Scharnier warnx("%s:%d: bad parameter name `%s', skipping line", 4181722Sjkh curfilename, linenum, argv[2]); 4191722Sjkh goterror = 1; 4201722Sjkh } 4211722Sjkh return; 4221722Sjkh 4231722Sjkh 4241722Sjkh argcount: 42529453Scharnier warnx("%s:%d: too %s arguments, expected \"special %s %s <string>\"", 4261722Sjkh curfilename, linenum, argc < 4? "few" : "many", argv[1], argv[2]); 4271722Sjkh goterror = 1; 4281722Sjkh} 4291722Sjkh 4301722Sjkh 4311722Sjkhprog_t *find_prog(char *str) 4321722Sjkh{ 4331722Sjkh prog_t *p; 4341722Sjkh 4351722Sjkh for(p = progs; p != NULL; p = p->next) 4361722Sjkh if(!strcmp(p->name, str)) return p; 4371722Sjkh 4381722Sjkh return NULL; 4391722Sjkh} 4401722Sjkh 4411722Sjkh 4421722Sjkh/* 4431722Sjkh * ======================================================================== 4441722Sjkh * gen_outputs subsystem 4451722Sjkh * 4461722Sjkh */ 4471722Sjkh 4481722Sjkh/* helper subroutines */ 4491722Sjkh 4501722Sjkhvoid remove_error_progs(void); 4511722Sjkhvoid fillin_program(prog_t *p); 4521722Sjkhvoid gen_specials_cache(void); 4531722Sjkhvoid gen_output_makefile(void); 4541722Sjkhvoid gen_output_cfile(void); 4551722Sjkh 4561722Sjkhvoid fillin_program_objs(prog_t *p, char *path); 4571722Sjkhvoid top_makefile_rules(FILE *outmk); 4581722Sjkhvoid prog_makefile_rules(FILE *outmk, prog_t *p); 4591722Sjkhvoid output_strlst(FILE *outf, strlst_t *lst); 4601722Sjkhchar *genident(char *str); 4611722Sjkhchar *dir_search(char *progname); 4621722Sjkh 4631722Sjkh 4641722Sjkhvoid gen_outputs(void) 4651722Sjkh{ 4661722Sjkh prog_t *p; 4671722Sjkh 4681722Sjkh for(p = progs; p != NULL; p = p->next) 4691722Sjkh fillin_program(p); 4701722Sjkh 4711722Sjkh remove_error_progs(); 4721722Sjkh gen_specials_cache(); 4731722Sjkh gen_output_cfile(); 4741722Sjkh gen_output_makefile(); 4751722Sjkh status(""); 4768857Srgrimes fprintf(stderr, 4771722Sjkh "Run \"make -f %s objs exe\" to build crunched binary.\n", 4781722Sjkh outmkname); 4791722Sjkh} 4801722Sjkh 48156995Sluigi/* 48256995Sluigi * run the makefile for the program to find which objects are necessary 48356995Sluigi */ 4841722Sjkhvoid fillin_program(prog_t *p) 4851722Sjkh{ 4861722Sjkh char path[MAXPATHLEN]; 4871722Sjkh char *srcparent; 4881722Sjkh strlst_t *s; 4891722Sjkh 4901722Sjkh sprintf(line, "filling in parms for %s", p->name); 4911722Sjkh status(line); 4921722Sjkh 4938857Srgrimes if(!p->ident) 4941722Sjkh p->ident = genident(p->name); 4951722Sjkh if(!p->srcdir) { 4961722Sjkh srcparent = dir_search(p->name); 4971722Sjkh if(srcparent) 4981722Sjkh sprintf(path, "%s/%s", srcparent, p->name); 4991722Sjkh if(is_dir(path)) 5001722Sjkh p->srcdir = strdup(path); 5011722Sjkh } 5021722Sjkh if(!p->objdir && p->srcdir) { 50317430Sphk FILE *f; 50417430Sphk 50532704Ssos sprintf(path, "cd %s && echo -n /usr/obj`/bin/pwd`", p->srcdir); 50617430Sphk p->objdir = p->srcdir; 50717430Sphk f = popen(path,"r"); 50817430Sphk if (f) { 50917430Sphk fgets(path,sizeof path, f); 51017430Sphk if (!pclose(f)) { 51117430Sphk if(is_dir(path)) 51217430Sphk p->objdir = strdup(path); 51317430Sphk } 51417430Sphk } 5151722Sjkh } 51656995Sluigi/* 51756995Sluigi * XXX look for a Makefile.{name} in local directory first. 51856995Sluigi * This lets us override the original Makefile. 51956995Sluigi */ 52056995Sluigi sprintf(path, "Makefile.%s", p->name); 52156995Sluigi if (is_nonempty_file(path)) { 52256995Sluigi sprintf(line, "Using %s for %s", path, p->name); 52356995Sluigi status(line); 52456995Sluigi } else 5251722Sjkh if(p->srcdir) sprintf(path, "%s/Makefile", p->srcdir); 5261722Sjkh if(!p->objs && p->srcdir && is_nonempty_file(path)) 5271722Sjkh fillin_program_objs(p, path); 5281722Sjkh 5291722Sjkh if(!p->objpaths && p->objdir && p->objs) 5301722Sjkh for(s = p->objs; s != NULL; s = s->next) { 5311722Sjkh sprintf(line, "%s/%s", p->objdir, s->str); 5321722Sjkh add_string(&p->objpaths, line); 5331722Sjkh } 5341722Sjkh 5351722Sjkh if(!p->srcdir && verbose) 53629453Scharnier warnx("%s: %s: warning: could not find source directory", 5371722Sjkh infilename, p->name); 5381722Sjkh if(!p->objs && verbose) 53929453Scharnier warnx("%s: %s: warning: could not find any .o files", 5401722Sjkh infilename, p->name); 5411722Sjkh 5421722Sjkh if(!p->objpaths) { 54329453Scharnier warnx("%s: %s: error: no objpaths specified or calculated", 5441722Sjkh infilename, p->name); 5451722Sjkh p->goterror = goterror = 1; 5461722Sjkh } 5471722Sjkh} 5481722Sjkh 5491722Sjkhvoid fillin_program_objs(prog_t *p, char *path) 5501722Sjkh{ 5511722Sjkh char *obj, *cp; 5521722Sjkh int rc; 5531722Sjkh FILE *f; 55456995Sluigi char *objvar="OBJS"; 5551722Sjkh 5561722Sjkh /* discover the objs from the srcdir Makefile */ 5571722Sjkh 5581722Sjkh if((f = fopen(tempfname, "w")) == NULL) { 55929453Scharnier warn("%s", tempfname); 5601722Sjkh goterror = 1; 5611722Sjkh return; 5621722Sjkh } 56356995Sluigi if (p->objvar) 56456995Sluigi objvar = p->objvar ; 5658857Srgrimes 56656995Sluigi /* 56756995Sluigi * XXX include outhdrname (e.g. to contain Make variables) 56856995Sluigi */ 56956995Sluigi if (outhdrname[0] != '\0') 57056995Sluigi fprintf(f, ".include \"%s\"\n", outhdrname); 5711722Sjkh fprintf(f, ".include \"%s\"\n", path); 57256995Sluigi fprintf(f, ".if defined(PROG) && !defined(%s)\n", objvar); 57356995Sluigi fprintf(f, "%s=${PROG}.o\n", objvar); 5741722Sjkh fprintf(f, ".endif\n"); 57556995Sluigi fprintf(f, "crunchgen_objs:\n\t@echo 'OBJS= '${%s}\n", objvar); 5761722Sjkh fclose(f); 5771722Sjkh 5781722Sjkh sprintf(line, "make -f %s crunchgen_objs 2>&1", tempfname); 5791722Sjkh if((f = popen(line, "r")) == NULL) { 58029453Scharnier warn("submake pipe"); 5811722Sjkh goterror = 1; 5821722Sjkh return; 5831722Sjkh } 5841722Sjkh 5851722Sjkh while(fgets(line, MAXLINELEN, f)) { 5861722Sjkh if(strncmp(line, "OBJS= ", 6)) { 58729453Scharnier warnx("make error: %s", line); 5888857Srgrimes goterror = 1; 5891722Sjkh continue; 5901722Sjkh } 5911722Sjkh cp = line + 6; 5921722Sjkh while(isspace(*cp)) cp++; 5931722Sjkh while(*cp) { 5941722Sjkh obj = cp; 5951722Sjkh while(*cp && !isspace(*cp)) cp++; 5961722Sjkh if(*cp) *cp++ = '\0'; 5971722Sjkh add_string(&p->objs, obj); 5981722Sjkh while(isspace(*cp)) cp++; 5991722Sjkh } 6001722Sjkh } 6011722Sjkh if((rc=pclose(f)) != 0) { 60229453Scharnier warnx("make error: make returned %d", rc); 6031722Sjkh goterror = 1; 6041722Sjkh } 6051722Sjkh unlink(tempfname); 6061722Sjkh} 6071722Sjkh 6081722Sjkhvoid remove_error_progs(void) 6091722Sjkh{ 6101722Sjkh prog_t *p1, *p2; 6111722Sjkh 6128857Srgrimes p1 = NULL; p2 = progs; 6138857Srgrimes while(p2 != NULL) { 6141722Sjkh if(!p2->goterror) 6151722Sjkh p1 = p2, p2 = p2->next; 6161722Sjkh else { 6171722Sjkh /* delete it from linked list */ 61829453Scharnier warnx("%s: %s: ignoring program because of errors", 6191722Sjkh infilename, p2->name); 6201722Sjkh if(p1) p1->next = p2->next; 6211722Sjkh else progs = p2->next; 6221722Sjkh p2 = p2->next; 6231722Sjkh } 6241722Sjkh } 6251722Sjkh} 6261722Sjkh 6271722Sjkhvoid gen_specials_cache(void) 6281722Sjkh{ 6291722Sjkh FILE *cachef; 6301722Sjkh prog_t *p; 6311722Sjkh 6321722Sjkh sprintf(line, "generating %s", cachename); 6331722Sjkh status(line); 6341722Sjkh 6351722Sjkh if((cachef = fopen(cachename, "w")) == NULL) { 63629453Scharnier warn("%s", cachename); 6371722Sjkh goterror = 1; 6381722Sjkh return; 6391722Sjkh } 6401722Sjkh 6411722Sjkh fprintf(cachef, "# %s - parm cache generated from %s by crunchgen %s\n\n", 6421722Sjkh cachename, infilename, CRUNCH_VERSION); 6431722Sjkh 6441722Sjkh for(p = progs; p != NULL; p = p->next) { 6451722Sjkh fprintf(cachef, "\n"); 6461722Sjkh if(p->srcdir) 6471722Sjkh fprintf(cachef, "special %s srcdir %s\n", p->name, p->srcdir); 6481722Sjkh if(p->objdir) 6491722Sjkh fprintf(cachef, "special %s objdir %s\n", p->name, p->objdir); 6501722Sjkh if(p->objs) { 6511722Sjkh fprintf(cachef, "special %s objs", p->name); 6521722Sjkh output_strlst(cachef, p->objs); 6531722Sjkh } 6541722Sjkh fprintf(cachef, "special %s objpaths", p->name); 6551722Sjkh output_strlst(cachef, p->objpaths); 6561722Sjkh } 6571722Sjkh fclose(cachef); 6581722Sjkh} 6591722Sjkh 6601722Sjkh 6611722Sjkhvoid gen_output_makefile(void) 6621722Sjkh{ 6631722Sjkh prog_t *p; 6641722Sjkh FILE *outmk; 6651722Sjkh 6661722Sjkh sprintf(line, "generating %s", outmkname); 6671722Sjkh status(line); 6681722Sjkh 6691722Sjkh if((outmk = fopen(outmkname, "w")) == NULL) { 67029453Scharnier warn("%s", outmkname); 6711722Sjkh goterror = 1; 6721722Sjkh return; 6731722Sjkh } 6741722Sjkh 6751722Sjkh fprintf(outmk, "# %s - generated from %s by crunchgen %s\n\n", 6761722Sjkh outmkname, infilename, CRUNCH_VERSION); 67756995Sluigi if (outhdrname[0] != '\0') 67856995Sluigi fprintf(outmk, ".include \"%s\"\n", outhdrname); 6791722Sjkh 6801722Sjkh top_makefile_rules(outmk); 6811722Sjkh 6821722Sjkh for(p = progs; p != NULL; p = p->next) 6838857Srgrimes prog_makefile_rules(outmk, p); 6841722Sjkh 6851722Sjkh fprintf(outmk, "\n# ========\n"); 6861722Sjkh fclose(outmk); 6871722Sjkh} 6881722Sjkh 6891722Sjkh 6901722Sjkhvoid gen_output_cfile(void) 6911722Sjkh{ 6921722Sjkh extern char *crunched_skel[]; 6931722Sjkh char **cp; 6941722Sjkh FILE *outcf; 6951722Sjkh prog_t *p; 6961722Sjkh strlst_t *s; 6971722Sjkh 6981722Sjkh sprintf(line, "generating %s", outcfname); 6991722Sjkh status(line); 7001722Sjkh 7011722Sjkh if((outcf = fopen(outcfname, "w")) == NULL) { 70229453Scharnier warn("%s", outcfname); 7031722Sjkh goterror = 1; 7041722Sjkh return; 7051722Sjkh } 7061722Sjkh 7078857Srgrimes fprintf(outcf, 7081722Sjkh "/* %s - generated from %s by crunchgen %s */\n", 7091722Sjkh outcfname, infilename, CRUNCH_VERSION); 7101722Sjkh 7111722Sjkh fprintf(outcf, "#define EXECNAME \"%s\"\n", execfname); 7121722Sjkh for(cp = crunched_skel; *cp != NULL; cp++) 7131722Sjkh fprintf(outcf, "%s\n", *cp); 7141722Sjkh 7151722Sjkh for(p = progs; p != NULL; p = p->next) 7161722Sjkh fprintf(outcf, "extern int _crunched_%s_stub();\n", p->ident); 7171722Sjkh 7181722Sjkh fprintf(outcf, "\nstruct stub entry_points[] = {\n"); 7191722Sjkh for(p = progs; p != NULL; p = p->next) { 7201722Sjkh fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", 7211722Sjkh p->name, p->ident); 7221722Sjkh for(s = p->links; s != NULL; s = s->next) 7231722Sjkh fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", 7241722Sjkh s->str, p->ident); 7251722Sjkh } 7268857Srgrimes 7271722Sjkh fprintf(outcf, "\t{ EXECNAME, crunched_main },\n"); 7281722Sjkh fprintf(outcf, "\t{ NULL, NULL }\n};\n"); 7291722Sjkh fclose(outcf); 7301722Sjkh} 7311722Sjkh 7321722Sjkh 7331722Sjkhchar *genident(char *str) 7341722Sjkh{ 7351722Sjkh char *n,*s,*d; 7361722Sjkh 7371722Sjkh /* 7381722Sjkh * generates a Makefile/C identifier from a program name, mapping '-' to 7391722Sjkh * '_' and ignoring all other non-identifier characters. This leads to 7401722Sjkh * programs named "foo.bar" and "foobar" to map to the same identifier. 7411722Sjkh */ 7421722Sjkh 7431722Sjkh if((n = strdup(str)) == NULL) 7441722Sjkh return NULL; 7451722Sjkh for(d = s = n; *s != '\0'; s++) { 7461722Sjkh if(*s == '-') *d++ = '_'; 7471722Sjkh else if(*s == '_' || isalnum(*s)) *d++ = *s; 7481722Sjkh } 7491722Sjkh *d = '\0'; 7501722Sjkh return n; 7511722Sjkh} 7521722Sjkh 7531722Sjkh 7541722Sjkhchar *dir_search(char *progname) 7551722Sjkh{ 7561722Sjkh char path[MAXPATHLEN]; 7571722Sjkh strlst_t *dir; 7581722Sjkh 7591722Sjkh for(dir=srcdirs; dir != NULL; dir=dir->next) { 7601722Sjkh sprintf(path, "%s/%s", dir->str, progname); 7611722Sjkh if(is_dir(path)) return dir->str; 7621722Sjkh } 7631722Sjkh return NULL; 7641722Sjkh} 7651722Sjkh 7661722Sjkh 7671722Sjkhvoid top_makefile_rules(FILE *outmk) 7681722Sjkh{ 7691722Sjkh prog_t *p; 7701722Sjkh 7711722Sjkh fprintf(outmk, "LIBS="); 7721722Sjkh output_strlst(outmk, libs); 7731722Sjkh 7741722Sjkh fprintf(outmk, "CRUNCHED_OBJS="); 7751722Sjkh for(p = progs; p != NULL; p = p->next) 7761722Sjkh fprintf(outmk, " %s.lo", p->name); 7771722Sjkh fprintf(outmk, "\n"); 7781722Sjkh 7791722Sjkh fprintf(outmk, "SUBMAKE_TARGETS="); 7801722Sjkh for(p = progs; p != NULL; p = p->next) 7811722Sjkh fprintf(outmk, " %s_make", p->ident); 78232589Sbrian fprintf(outmk, "\nSUBCLEAN_TARGETS="); 78332589Sbrian for(p = progs; p != NULL; p = p->next) 78432589Sbrian fprintf(outmk, " %s_clean", p->ident); 7851722Sjkh fprintf(outmk, "\n\n"); 7861722Sjkh 7878857Srgrimes fprintf(outmk, "%s: %s.o $(CRUNCHED_OBJS)\n", 7881722Sjkh execfname, execfname); 7891722Sjkh fprintf(outmk, "\t$(CC) -static -o %s %s.o $(CRUNCHED_OBJS) $(LIBS)\n", 7901722Sjkh execfname, execfname); 7911722Sjkh fprintf(outmk, "\tstrip %s\n", execfname); 7921722Sjkh fprintf(outmk, "all: objs exe\nobjs: $(SUBMAKE_TARGETS)\n"); 7931722Sjkh fprintf(outmk, "exe: %s\n", execfname); 79432589Sbrian fprintf(outmk, "realclean: clean subclean\n"); 7951722Sjkh fprintf(outmk, "clean:\n\trm -f %s *.lo *.o *_stub.c\n", 7961722Sjkh execfname); 79732589Sbrian fprintf(outmk, "subclean: $(SUBCLEAN_TARGETS)\n"); 7981722Sjkh} 7991722Sjkh 8001722Sjkh 8011722Sjkhvoid prog_makefile_rules(FILE *outmk, prog_t *p) 8021722Sjkh{ 80330120Sjoerg strlst_t *lst; 80430120Sjoerg 8051722Sjkh fprintf(outmk, "\n# -------- %s\n\n", p->name); 8061722Sjkh 8071722Sjkh if(p->srcdir && p->objs) { 8081722Sjkh fprintf(outmk, "%s_SRCDIR=%s\n", p->ident, p->srcdir); 8091722Sjkh fprintf(outmk, "%s_OBJS=", p->ident); 8101722Sjkh output_strlst(outmk, p->objs); 8111722Sjkh fprintf(outmk, "%s_make:\n", p->ident); 81232589Sbrian fprintf(outmk, "\t(cd $(%s_SRCDIR) && make depend && make $(%s_OBJS))\n", 8131722Sjkh p->ident, p->ident); 81432589Sbrian fprintf(outmk, "%s_clean:\n", p->ident); 81532589Sbrian fprintf(outmk, "\t(cd $(%s_SRCDIR) && make clean)\n\n", p->ident); 8161722Sjkh } 8171722Sjkh else 8188857Srgrimes fprintf(outmk, "%s_make:\n\t@echo \"** cannot make objs for %s\"\n\n", 8191722Sjkh p->ident, p->name); 8201722Sjkh 8211722Sjkh fprintf(outmk, "%s_OBJPATHS=", p->ident); 8221722Sjkh output_strlst(outmk, p->objpaths); 8231722Sjkh 8241722Sjkh fprintf(outmk, "%s_stub.c:\n", p->name); 8251722Sjkh fprintf(outmk, "\techo \"" 8261722Sjkh "int _crunched_%s_stub(int argc, char **argv, char **envp)" 8271722Sjkh "{return main(argc,argv,envp);}\" >%s_stub.c\n", 8281722Sjkh p->ident, p->name); 8291722Sjkh fprintf(outmk, "%s.lo: %s_stub.o $(%s_OBJPATHS)\n", 8301722Sjkh p->name, p->name, p->ident); 8318857Srgrimes fprintf(outmk, "\tld -dc -r -o %s.lo %s_stub.o $(%s_OBJPATHS)\n", 8321722Sjkh p->name, p->name, p->ident); 83339171Sjkh fprintf(outmk, "\tcrunchide -k _crunched_%s_stub ", p->ident); 83430120Sjoerg for(lst = p->keeplist; lst != NULL; lst = lst->next) 83530120Sjoerg fprintf(outmk, "-k _%s ", lst->str); 83630120Sjoerg fprintf(outmk, "%s.lo\n", p->name); 8371722Sjkh} 8381722Sjkh 8391722Sjkhvoid output_strlst(FILE *outf, strlst_t *lst) 8401722Sjkh{ 8411722Sjkh for(; lst != NULL; lst = lst->next) 8421722Sjkh fprintf(outf, " %s", lst->str); 8431722Sjkh fprintf(outf, "\n"); 8441722Sjkh} 8451722Sjkh 8461722Sjkh 8471722Sjkh/* 8481722Sjkh * ======================================================================== 8491722Sjkh * general library routines 8501722Sjkh * 8511722Sjkh */ 8521722Sjkh 8531722Sjkhvoid status(char *str) 8541722Sjkh{ 8551722Sjkh static int lastlen = 0; 8561722Sjkh int len, spaces; 8571722Sjkh 8581722Sjkh if(!verbose) return; 8591722Sjkh 8601722Sjkh len = strlen(str); 8611722Sjkh spaces = lastlen - len; 8621722Sjkh if(spaces < 1) spaces = 1; 8631722Sjkh 8641722Sjkh fprintf(stderr, " [%s]%*.*s\r", str, spaces, spaces, " "); 8651722Sjkh fflush(stderr); 8661722Sjkh lastlen = len; 8671722Sjkh} 8681722Sjkh 8691722Sjkh 8701722Sjkhvoid out_of_memory(void) 8711722Sjkh{ 87229453Scharnier errx(1, "%s: %d: out of memory, stopping", infilename, linenum); 8731722Sjkh} 8741722Sjkh 8751722Sjkh 8761722Sjkhvoid add_string(strlst_t **listp, char *str) 8771722Sjkh{ 8781722Sjkh strlst_t *p1, *p2; 8791722Sjkh 8801722Sjkh /* add to end, but be smart about dups */ 8811722Sjkh 8821722Sjkh for(p1 = NULL, p2 = *listp; p2 != NULL; p1 = p2, p2 = p2->next) 8831722Sjkh if(!strcmp(p2->str, str)) return; 8841722Sjkh 8851722Sjkh p2 = malloc(sizeof(strlst_t)); 88619822Sjoerg if(p2) { 88719822Sjoerg memset(p2, 0, sizeof(strlst_t)); 88819822Sjoerg p2->str = strdup(str); 88919822Sjoerg } 8901722Sjkh if(!p2 || !p2->str) 8911722Sjkh out_of_memory(); 8921722Sjkh 8931722Sjkh p2->next = NULL; 8941722Sjkh if(p1 == NULL) *listp = p2; 8951722Sjkh else p1->next = p2; 8961722Sjkh} 8971722Sjkh 8981722Sjkh 8991722Sjkhint is_dir(char *pathname) 9001722Sjkh{ 9011722Sjkh struct stat buf; 9021722Sjkh 9031722Sjkh if(stat(pathname, &buf) == -1) 9041722Sjkh return 0; 9051722Sjkh return S_ISDIR(buf.st_mode); 9061722Sjkh} 9071722Sjkh 9081722Sjkhint is_nonempty_file(char *pathname) 9091722Sjkh{ 9101722Sjkh struct stat buf; 9111722Sjkh 9121722Sjkh if(stat(pathname, &buf) == -1) 9131722Sjkh return 0; 9141722Sjkh 9151722Sjkh return S_ISREG(buf.st_mode) && buf.st_size > 0; 9161722Sjkh} 917