crunchgen.c revision 70114
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 70114 2000-12-17 17:03:05Z joe $ 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; 6870112Sjoe char *realsrcdir; 6956995Sluigi char *objdir; 7056995Sluigi char *objvar; /* Makefile variable to replace OBJS */ 711722Sjkh strlst_t *objs, *objpaths; 7268569Sjoe strlst_t *buildopts; 7330120Sjoerg strlst_t *keeplist; 741722Sjkh strlst_t *links; 751722Sjkh int goterror; 761722Sjkh} prog_t; 771722Sjkh 781722Sjkh 791722Sjkh/* global state */ 801722Sjkh 8168750Sjoestrlst_t *buildopts = NULL; 821722Sjkhstrlst_t *srcdirs = NULL; 831722Sjkhstrlst_t *libs = NULL; 841722Sjkhprog_t *progs = NULL; 851722Sjkh 861722Sjkhchar confname[MAXPATHLEN], infilename[MAXPATHLEN]; 871722Sjkhchar outmkname[MAXPATHLEN], outcfname[MAXPATHLEN], execfname[MAXPATHLEN]; 881722Sjkhchar tempfname[MAXPATHLEN], cachename[MAXPATHLEN], curfilename[MAXPATHLEN]; 8956995Sluigichar outhdrname[MAXPATHLEN] ; /* user-supplied header for *.mk */ 9069413Sluigichar *objprefix; /* where are the objects ? */ 911722Sjkhint linenum = -1; 921722Sjkhint goterror = 0; 931722Sjkh 941722Sjkhint verbose, readcache; /* options */ 951722Sjkhint reading_cache; 9668286Sjoeint makeobj = 0; /* add 'make obj' rules to the makefile */ 971722Sjkh 986696Sphkint list_mode; 996696Sphk 1001722Sjkh/* general library routines */ 1011722Sjkh 1021722Sjkhvoid status(char *str); 1031722Sjkhvoid out_of_memory(void); 1041722Sjkhvoid add_string(strlst_t **listp, char *str); 1051722Sjkhint is_dir(char *pathname); 1061722Sjkhint is_nonempty_file(char *pathname); 1071722Sjkh 1081722Sjkh/* helper routines for main() */ 1091722Sjkh 1108857Srgrimesvoid usage(void); 1111722Sjkhvoid parse_conf_file(void); 1121722Sjkhvoid gen_outputs(void); 1131722Sjkh 1141722Sjkh 1151722Sjkhint main(int argc, char **argv) 1161722Sjkh{ 1171722Sjkh char *p; 1181722Sjkh int optc; 1191722Sjkh 1201722Sjkh verbose = 1; 1211722Sjkh readcache = 1; 1221722Sjkh *outmkname = *outcfname = *execfname = '\0'; 1238857Srgrimes 12469413Sluigi p = getenv("MAKEOBJDIRPREFIX"); 12569413Sluigi if (p == NULL || *p == '\0') 12669413Sluigi objprefix = "/usr/obj"; /* default */ 12769413Sluigi else 12870113Sjoe if ((objprefix = strdup(p)) == NULL) 12970113Sjoe out_of_memory(); 13069413Sluigi 13169413Sluigi while((optc = getopt(argc, argv, "lh:m:c:e:p:foq")) != -1) { 1321722Sjkh switch(optc) { 1331722Sjkh case 'f': readcache = 0; break; 13468286Sjoe case 'o': makeobj = 1; break; 1351722Sjkh case 'q': verbose = 0; break; 1361722Sjkh 13770113Sjoe case 'm': strlcpy(outmkname, optarg, sizeof(outmkname)); break; 13870113Sjoe case 'p': if ((objprefix = strdup(optarg)) == NULL) 13970113Sjoe out_of_memory(); 14070113Sjoe break; 14170113Sjoe case 'h': strlcpy(outhdrname, optarg, sizeof(outhdrname)); break; 14270113Sjoe case 'c': strlcpy(outcfname, optarg, sizeof(outcfname)); break; 14370113Sjoe case 'e': strlcpy(execfname, optarg, sizeof(execfname)); break; 1446696Sphk case 'l': list_mode++; verbose = 0; break; 1451722Sjkh 1461722Sjkh case '?': 1471722Sjkh default: usage(); 1481722Sjkh } 1491722Sjkh } 1501722Sjkh 1511722Sjkh argc -= optind; 1521722Sjkh argv += optind; 1531722Sjkh 1541722Sjkh if(argc != 1) usage(); 1551722Sjkh 1568857Srgrimes /* 1571722Sjkh * generate filenames 1581722Sjkh */ 1591722Sjkh 16070113Sjoe strlcpy(infilename, argv[0], sizeof(infilename)); 1611722Sjkh 1621722Sjkh /* confname = `basename infilename .conf` */ 1631722Sjkh 16470113Sjoe if((p=strrchr(infilename, '/')) != NULL) 16570113Sjoe strlcpy(confname, p+1, sizeof(confname)); 16670113Sjoe else 16770113Sjoe strlcpy(confname, infilename, sizeof(confname)); 1681722Sjkh if((p=strrchr(confname, '.')) != NULL && !strcmp(p, ".conf")) *p = '\0'; 1691722Sjkh 17070113Sjoe if(!*outmkname) snprintf(outmkname, sizeof(outmkname), "%s.mk", confname); 17170113Sjoe if(!*outcfname) snprintf(outcfname, sizeof(outcfname), "%s.c", confname); 17270113Sjoe if(!*execfname) snprintf(execfname, sizeof(execfname), "%s", confname); 1731722Sjkh 17469413Sluigi snprintf(cachename, sizeof(cachename), "%s.cache", confname); 17569413Sluigi snprintf(tempfname, sizeof(tempfname), ".tmp_%sXXXXXX", confname); 1761722Sjkh 1771722Sjkh parse_conf_file(); 1786696Sphk if (list_mode) 1796696Sphk exit(goterror); 1806696Sphk 1811722Sjkh gen_outputs(); 1821722Sjkh 1831722Sjkh exit(goterror); 1841722Sjkh} 1851722Sjkh 1861722Sjkh 1871722Sjkhvoid usage(void) 1881722Sjkh{ 18929453Scharnier fprintf(stderr, "%s\n%s\n", 19069413Sluigi "usage: crunchgen [-foq] [-h <makefile-header-name>] [-m <makefile>]", 19169413Sluigi " [-p <obj-prefix>] [-c <c-file-name>] [-e <exec-file>] <conffile>"); 1921722Sjkh exit(1); 1931722Sjkh} 1941722Sjkh 1951722Sjkh 1961722Sjkh/* 1971722Sjkh * ======================================================================== 1981722Sjkh * parse_conf_file subsystem 1991722Sjkh * 2001722Sjkh */ 2011722Sjkh 2021722Sjkh/* helper routines for parse_conf_file */ 2031722Sjkh 2041722Sjkhvoid parse_one_file(char *filename); 2058857Srgrimesvoid parse_line(char *line, int *fc, char **fv, int nf); 2061722Sjkhvoid add_srcdirs(int argc, char **argv); 2071722Sjkhvoid add_progs(int argc, char **argv); 2081722Sjkhvoid add_link(int argc, char **argv); 2091722Sjkhvoid add_libs(int argc, char **argv); 21068750Sjoevoid add_buildopts(int argc, char **argv); 2111722Sjkhvoid add_special(int argc, char **argv); 2121722Sjkh 2131722Sjkhprog_t *find_prog(char *str); 2141722Sjkhvoid add_prog(char *progname); 2151722Sjkh 2161722Sjkh 2171722Sjkhvoid parse_conf_file(void) 2181722Sjkh{ 21929453Scharnier if(!is_nonempty_file(infilename)) 22029453Scharnier errx(1, "fatal: input file \"%s\" not found", infilename); 2211722Sjkh parse_one_file(infilename); 2221722Sjkh if(readcache && is_nonempty_file(cachename)) { 2231722Sjkh reading_cache = 1; 2241722Sjkh parse_one_file(cachename); 2251722Sjkh } 2261722Sjkh} 2271722Sjkh 2281722Sjkh 2291722Sjkhvoid parse_one_file(char *filename) 2301722Sjkh{ 2311722Sjkh char *fieldv[MAXFIELDS]; 2321722Sjkh int fieldc; 2331722Sjkh void (*f)(int c, char **v); 2341722Sjkh FILE *cf; 23569413Sluigi char line[MAXLINELEN]; 2361722Sjkh 23770113Sjoe snprintf(line, sizeof(line), "reading %s", filename); 2381722Sjkh status(line); 23970113Sjoe strlcpy(curfilename, filename, sizeof(curfilename)); 2401722Sjkh 2411722Sjkh if((cf = fopen(curfilename, "r")) == NULL) { 24229453Scharnier warn("%s", curfilename); 2431722Sjkh goterror = 1; 2441722Sjkh return; 2451722Sjkh } 2461722Sjkh 2471722Sjkh linenum = 0; 2481722Sjkh while(fgets(line, MAXLINELEN, cf) != NULL) { 2491722Sjkh linenum++; 2501722Sjkh parse_line(line, &fieldc, fieldv, MAXFIELDS); 2511722Sjkh if(fieldc < 1) continue; 2521722Sjkh if(!strcmp(fieldv[0], "srcdirs")) f = add_srcdirs; 2531722Sjkh else if(!strcmp(fieldv[0], "progs")) f = add_progs; 2541722Sjkh else if(!strcmp(fieldv[0], "ln")) f = add_link; 2551722Sjkh else if(!strcmp(fieldv[0], "libs")) f = add_libs; 25668750Sjoe else if(!strcmp(fieldv[0], "buildopts")) f = add_buildopts; 2571722Sjkh else if(!strcmp(fieldv[0], "special")) f = add_special; 2581722Sjkh else { 25929453Scharnier warnx("%s:%d: skipping unknown command `%s'", 2601722Sjkh curfilename, linenum, fieldv[0]); 2611722Sjkh goterror = 1; 2621722Sjkh continue; 2631722Sjkh } 2641722Sjkh if(fieldc < 2) { 26529453Scharnier warnx("%s:%d: %s command needs at least 1 argument, skipping", 2661722Sjkh curfilename, linenum, fieldv[0]); 2671722Sjkh goterror = 1; 2681722Sjkh continue; 2691722Sjkh } 2701722Sjkh f(fieldc, fieldv); 2711722Sjkh } 2721722Sjkh 2731722Sjkh if(ferror(cf)) { 27429453Scharnier warn("%s", curfilename); 2751722Sjkh goterror = 1; 2761722Sjkh } 2771722Sjkh fclose(cf); 2781722Sjkh} 2791722Sjkh 2801722Sjkh 2811722Sjkhvoid parse_line(char *line, int *fc, char **fv, int nf) 2821722Sjkh{ 2831722Sjkh char *p; 2841722Sjkh 2851722Sjkh p = line; 2861722Sjkh *fc = 0; 2871722Sjkh while(1) { 2881722Sjkh while(isspace(*p)) p++; 2891722Sjkh if(*p == '\0' || *p == '#') break; 2901722Sjkh 2911722Sjkh if(*fc < nf) fv[(*fc)++] = p; 2921722Sjkh while(*p && !isspace(*p) && *p != '#') p++; 2931722Sjkh if(*p == '\0' || *p == '#') break; 2941722Sjkh *p++ = '\0'; 2951722Sjkh } 2961722Sjkh if(*p) *p = '\0'; /* needed for '#' case */ 2971722Sjkh} 2981722Sjkh 2991722Sjkh 3001722Sjkhvoid add_srcdirs(int argc, char **argv) 3011722Sjkh{ 3021722Sjkh int i; 3031722Sjkh 3041722Sjkh for(i=1;i<argc;i++) { 3051722Sjkh if(is_dir(argv[i])) 3061722Sjkh add_string(&srcdirs, argv[i]); 3071722Sjkh else { 30829453Scharnier warnx("%s:%d: `%s' is not a directory, skipping it", 3091722Sjkh curfilename, linenum, argv[i]); 3101722Sjkh goterror = 1; 3111722Sjkh } 3121722Sjkh } 3131722Sjkh} 3141722Sjkh 3151722Sjkh 3161722Sjkhvoid add_progs(int argc, char **argv) 3171722Sjkh{ 3181722Sjkh int i; 3191722Sjkh 3201722Sjkh for(i=1;i<argc;i++) 3211722Sjkh add_prog(argv[i]); 3221722Sjkh} 3231722Sjkh 3241722Sjkh 3251722Sjkhvoid add_prog(char *progname) 3261722Sjkh{ 3271722Sjkh prog_t *p1, *p2; 3281722Sjkh 3291722Sjkh /* add to end, but be smart about dups */ 3301722Sjkh 3311722Sjkh for(p1 = NULL, p2 = progs; p2 != NULL; p1 = p2, p2 = p2->next) 3321722Sjkh if(!strcmp(p2->name, progname)) return; 3331722Sjkh 3341722Sjkh p2 = malloc(sizeof(prog_t)); 33519822Sjoerg if(p2) { 33619822Sjoerg memset(p2, 0, sizeof(prog_t)); 33719822Sjoerg p2->name = strdup(progname); 33819822Sjoerg } 3398857Srgrimes if(!p2 || !p2->name) 3401722Sjkh out_of_memory(); 3411722Sjkh 3421722Sjkh p2->next = NULL; 3431722Sjkh if(p1 == NULL) progs = p2; 3441722Sjkh else p1->next = p2; 3451722Sjkh 3461722Sjkh p2->ident = p2->srcdir = p2->objdir = NULL; 34730120Sjoerg p2->links = p2->objs = p2->keeplist = NULL; 34868569Sjoe p2->buildopts = NULL; 3491722Sjkh p2->goterror = 0; 3506696Sphk if (list_mode) 3516696Sphk printf("%s\n",progname); 3521722Sjkh} 3531722Sjkh 3541722Sjkh 3551722Sjkhvoid add_link(int argc, char **argv) 3561722Sjkh{ 3571722Sjkh int i; 3581722Sjkh prog_t *p = find_prog(argv[1]); 3591722Sjkh 3601722Sjkh if(p == NULL) { 36129453Scharnier warnx("%s:%d: no prog %s previously declared, skipping link", 3621722Sjkh curfilename, linenum, argv[1]); 3631722Sjkh goterror = 1; 3641722Sjkh return; 3651722Sjkh } 3666696Sphk for(i=2;i<argc;i++) { 3676696Sphk if (list_mode) 3686696Sphk printf("%s\n",argv[i]); 3691722Sjkh add_string(&p->links, argv[i]); 3706696Sphk } 3711722Sjkh} 3721722Sjkh 3731722Sjkh 3741722Sjkhvoid add_libs(int argc, char **argv) 3751722Sjkh{ 3761722Sjkh int i; 3771722Sjkh 3781722Sjkh for(i=1;i<argc;i++) 3791722Sjkh add_string(&libs, argv[i]); 3801722Sjkh} 3811722Sjkh 3821722Sjkh 38368750Sjoevoid add_buildopts(int argc, char **argv) 38468750Sjoe{ 38568750Sjoe int i; 38668750Sjoe 38768750Sjoe for (i = 1; i < argc; i++) 38868750Sjoe add_string(&buildopts, argv[i]); 38968750Sjoe} 39068750Sjoe 39168750Sjoe 3921722Sjkhvoid add_special(int argc, char **argv) 3931722Sjkh{ 3941722Sjkh int i; 3951722Sjkh prog_t *p = find_prog(argv[1]); 3961722Sjkh 3971722Sjkh if(p == NULL) { 3981722Sjkh if(reading_cache) return; 39929453Scharnier warnx("%s:%d: no prog %s previously declared, skipping special", 4001722Sjkh curfilename, linenum, argv[1]); 4011722Sjkh goterror = 1; 4021722Sjkh return; 4031722Sjkh } 4041722Sjkh 4051722Sjkh if(!strcmp(argv[2], "ident")) { 4061722Sjkh if(argc != 4) goto argcount; 4071722Sjkh if((p->ident = strdup(argv[3])) == NULL) 4081722Sjkh out_of_memory(); 4091722Sjkh } 4101722Sjkh else if(!strcmp(argv[2], "srcdir")) { 4111722Sjkh if(argc != 4) goto argcount; 4121722Sjkh if((p->srcdir = strdup(argv[3])) == NULL) 4131722Sjkh out_of_memory(); 4141722Sjkh } 4151722Sjkh else if(!strcmp(argv[2], "objdir")) { 4161722Sjkh if(argc != 4) goto argcount; 4171722Sjkh if((p->objdir = strdup(argv[3])) == NULL) 4181722Sjkh out_of_memory(); 4191722Sjkh } 4201722Sjkh else if(!strcmp(argv[2], "objs")) { 4211722Sjkh p->objs = NULL; 4221722Sjkh for(i=3;i<argc;i++) 4231722Sjkh add_string(&p->objs, argv[i]); 4241722Sjkh } 4251722Sjkh else if(!strcmp(argv[2], "objpaths")) { 4261722Sjkh p->objpaths = NULL; 4271722Sjkh for(i=3;i<argc;i++) 4281722Sjkh add_string(&p->objpaths, argv[i]); 4291722Sjkh } 43030120Sjoerg else if(!strcmp(argv[2], "keep")) { 43130120Sjoerg p->keeplist = NULL; 43230120Sjoerg for(i=3;i<argc;i++) 43330120Sjoerg add_string(&p->keeplist, argv[i]); 43430120Sjoerg } 43556995Sluigi else if(!strcmp(argv[2], "objvar")) { 43656995Sluigi if(argc != 4) 43756995Sluigi goto argcount; 43856995Sluigi if((p->objvar = strdup(argv[3])) == NULL) 43956995Sluigi out_of_memory(); 44056995Sluigi } 44168569Sjoe else if (!strcmp(argv[2], "buildopts")) { 44268569Sjoe p->buildopts = NULL; 44368569Sjoe for (i = 3; i < argc; i++) 44468569Sjoe add_string(&p->buildopts, argv[i]); 44568569Sjoe } 4461722Sjkh else { 44729453Scharnier warnx("%s:%d: bad parameter name `%s', skipping line", 4481722Sjkh curfilename, linenum, argv[2]); 4491722Sjkh goterror = 1; 4501722Sjkh } 4511722Sjkh return; 4521722Sjkh 4531722Sjkh 4541722Sjkh argcount: 45529453Scharnier warnx("%s:%d: too %s arguments, expected \"special %s %s <string>\"", 4561722Sjkh curfilename, linenum, argc < 4? "few" : "many", argv[1], argv[2]); 4571722Sjkh goterror = 1; 4581722Sjkh} 4591722Sjkh 4601722Sjkh 4611722Sjkhprog_t *find_prog(char *str) 4621722Sjkh{ 4631722Sjkh prog_t *p; 4641722Sjkh 4651722Sjkh for(p = progs; p != NULL; p = p->next) 4661722Sjkh if(!strcmp(p->name, str)) return p; 4671722Sjkh 4681722Sjkh return NULL; 4691722Sjkh} 4701722Sjkh 4711722Sjkh 4721722Sjkh/* 4731722Sjkh * ======================================================================== 4741722Sjkh * gen_outputs subsystem 4751722Sjkh * 4761722Sjkh */ 4771722Sjkh 4781722Sjkh/* helper subroutines */ 4791722Sjkh 4801722Sjkhvoid remove_error_progs(void); 4811722Sjkhvoid fillin_program(prog_t *p); 4821722Sjkhvoid gen_specials_cache(void); 4831722Sjkhvoid gen_output_makefile(void); 4841722Sjkhvoid gen_output_cfile(void); 4851722Sjkh 4861722Sjkhvoid fillin_program_objs(prog_t *p, char *path); 4871722Sjkhvoid top_makefile_rules(FILE *outmk); 4881722Sjkhvoid prog_makefile_rules(FILE *outmk, prog_t *p); 4891722Sjkhvoid output_strlst(FILE *outf, strlst_t *lst); 4901722Sjkhchar *genident(char *str); 4911722Sjkhchar *dir_search(char *progname); 4921722Sjkh 4931722Sjkh 4941722Sjkhvoid gen_outputs(void) 4951722Sjkh{ 4961722Sjkh prog_t *p; 4971722Sjkh 4981722Sjkh for(p = progs; p != NULL; p = p->next) 4991722Sjkh fillin_program(p); 5001722Sjkh 5011722Sjkh remove_error_progs(); 5021722Sjkh gen_specials_cache(); 5031722Sjkh gen_output_cfile(); 5041722Sjkh gen_output_makefile(); 5051722Sjkh status(""); 5068857Srgrimes fprintf(stderr, 50770112Sjoe "Run \"make -f %s\" to build crunched binary.\n", outmkname); 5081722Sjkh} 5091722Sjkh 51056995Sluigi/* 51156995Sluigi * run the makefile for the program to find which objects are necessary 51256995Sluigi */ 5131722Sjkhvoid fillin_program(prog_t *p) 5141722Sjkh{ 5151722Sjkh char path[MAXPATHLEN]; 5161722Sjkh char *srcparent; 51769413Sluigi char line[MAXLINELEN]; 51870112Sjoe FILE *f; 5191722Sjkh 52069413Sluigi snprintf(line, MAXLINELEN, "filling in parms for %s", p->name); 5211722Sjkh status(line); 5221722Sjkh 5238857Srgrimes if(!p->ident) 5241722Sjkh p->ident = genident(p->name); 5251722Sjkh if(!p->srcdir) { 5261722Sjkh srcparent = dir_search(p->name); 5271722Sjkh if(srcparent) 52869413Sluigi snprintf(line, MAXLINELEN, "%s/%s", srcparent, p->name); 52969413Sluigi if(is_dir(line)) 53070113Sjoe if ((p->srcdir = strdup(line)) == NULL) 53170113Sjoe out_of_memory(); 5321722Sjkh } 53370112Sjoe 53470112Sjoe /* Determine the actual srcdir (maybe symlinked). */ 53570112Sjoe snprintf(line, MAXLINELEN, "cd %s && echo -n `/bin/pwd`", p->srcdir); 53670112Sjoe f = popen(line,"r"); 53770112Sjoe if (f) { 53870112Sjoe path[0] = '\0'; 53970112Sjoe fgets(path, sizeof path, f); 54070112Sjoe if (!pclose(f)) { 54170112Sjoe p->realsrcdir = strdup(path); 54217430Sphk } 5431722Sjkh } 54470112Sjoe if (!p->realsrcdir) 54570112Sjoe errx(1, "Can't execute: %s\n", line); 54670112Sjoe 54770112Sjoe /* Unless the option to make object files was specified the 54870112Sjoe * the objects will be built in the source directory unless 54970112Sjoe * an object directory already exists. 55070112Sjoe */ 55170112Sjoe if(!makeobj && !p->objdir && p->srcdir) { 55270112Sjoe snprintf(line, sizeof line, "%s/%s", objprefix, p->realsrcdir); 55370114Sjoe if (is_dir(line)) { 55470113Sjoe if ((p->objdir = strdup(line)) == NULL) 55570113Sjoe out_of_memory(); 55670114Sjoe } else 55770112Sjoe p->objdir = p->realsrcdir; 55870112Sjoe } 55956995Sluigi/* 56056995Sluigi * XXX look for a Makefile.{name} in local directory first. 56156995Sluigi * This lets us override the original Makefile. 56256995Sluigi */ 56369413Sluigi snprintf(path, sizeof(path), "Makefile.%s", p->name); 56456995Sluigi if (is_nonempty_file(path)) { 56569413Sluigi snprintf(line, MAXLINELEN, "Using %s for %s", path, p->name); 56656995Sluigi status(line); 56756995Sluigi } else 56869413Sluigi if(p->srcdir) snprintf(path, sizeof(path), "%s/Makefile", p->srcdir); 5691722Sjkh if(!p->objs && p->srcdir && is_nonempty_file(path)) 5701722Sjkh fillin_program_objs(p, path); 5711722Sjkh 5721722Sjkh if(!p->srcdir && verbose) 57329453Scharnier warnx("%s: %s: warning: could not find source directory", 5741722Sjkh infilename, p->name); 5751722Sjkh if(!p->objs && verbose) 57629453Scharnier warnx("%s: %s: warning: could not find any .o files", 5771722Sjkh infilename, p->name); 5781722Sjkh} 5791722Sjkh 5801722Sjkhvoid fillin_program_objs(prog_t *p, char *path) 5811722Sjkh{ 5821722Sjkh char *obj, *cp; 58370113Sjoe int fd, rc; 5841722Sjkh FILE *f; 58556995Sluigi char *objvar="OBJS"; 58668569Sjoe strlst_t *s; 58769413Sluigi char line[MAXLINELEN]; 5881722Sjkh 5891722Sjkh /* discover the objs from the srcdir Makefile */ 5901722Sjkh 59170113Sjoe if((fd = mkstemp(tempfname)) == -1) { 59270113Sjoe perror(tempfname); 59370113Sjoe exit(1); 59470113Sjoe } 59570113Sjoe if((f = fdopen(fd, "w")) == NULL) { 59629453Scharnier warn("%s", tempfname); 5971722Sjkh goterror = 1; 5981722Sjkh return; 5991722Sjkh } 60056995Sluigi if (p->objvar) 60156995Sluigi objvar = p->objvar ; 6028857Srgrimes 60356995Sluigi /* 60456995Sluigi * XXX include outhdrname (e.g. to contain Make variables) 60556995Sluigi */ 60656995Sluigi if (outhdrname[0] != '\0') 60756995Sluigi fprintf(f, ".include \"%s\"\n", outhdrname); 6081722Sjkh fprintf(f, ".include \"%s\"\n", path); 60968750Sjoe if (buildopts) { 61068750Sjoe fprintf(f, "BUILDOPTS+="); 61168750Sjoe output_strlst(f, buildopts); 61268750Sjoe } 61356995Sluigi fprintf(f, ".if defined(PROG) && !defined(%s)\n", objvar); 61456995Sluigi fprintf(f, "%s=${PROG}.o\n", objvar); 6151722Sjkh fprintf(f, ".endif\n"); 61668285Sjoe fprintf(f, "loop:\n\t@echo 'OBJS= '${%s}\n", objvar); 61768569Sjoe 61868750Sjoe fprintf(f, "crunchgen_objs:\n\t@make -f %s $(BUILDOPTS) $(%s_OPTS)", 61968569Sjoe tempfname, p->ident); 62068569Sjoe for (s = p->buildopts; s != NULL; s = s->next) 62168569Sjoe fprintf(f, " %s", s->str); 62268569Sjoe fprintf(f, " loop\n"); 62368569Sjoe 6241722Sjkh fclose(f); 6251722Sjkh 62669413Sluigi snprintf(line, MAXLINELEN, "make -f %s crunchgen_objs 2>&1", tempfname); 6271722Sjkh if((f = popen(line, "r")) == NULL) { 62829453Scharnier warn("submake pipe"); 6291722Sjkh goterror = 1; 6301722Sjkh return; 6311722Sjkh } 6321722Sjkh 6331722Sjkh while(fgets(line, MAXLINELEN, f)) { 6341722Sjkh if(strncmp(line, "OBJS= ", 6)) { 63529453Scharnier warnx("make error: %s", line); 6368857Srgrimes goterror = 1; 6371722Sjkh continue; 6381722Sjkh } 6391722Sjkh cp = line + 6; 6401722Sjkh while(isspace(*cp)) cp++; 6411722Sjkh while(*cp) { 6421722Sjkh obj = cp; 6431722Sjkh while(*cp && !isspace(*cp)) cp++; 6441722Sjkh if(*cp) *cp++ = '\0'; 6451722Sjkh add_string(&p->objs, obj); 6461722Sjkh while(isspace(*cp)) cp++; 6471722Sjkh } 6481722Sjkh } 6491722Sjkh if((rc=pclose(f)) != 0) { 65029453Scharnier warnx("make error: make returned %d", rc); 6511722Sjkh goterror = 1; 6521722Sjkh } 6531722Sjkh unlink(tempfname); 6541722Sjkh} 6551722Sjkh 6561722Sjkhvoid remove_error_progs(void) 6571722Sjkh{ 6581722Sjkh prog_t *p1, *p2; 6591722Sjkh 6608857Srgrimes p1 = NULL; p2 = progs; 6618857Srgrimes while(p2 != NULL) { 6621722Sjkh if(!p2->goterror) 6631722Sjkh p1 = p2, p2 = p2->next; 6641722Sjkh else { 6651722Sjkh /* delete it from linked list */ 66629453Scharnier warnx("%s: %s: ignoring program because of errors", 6671722Sjkh infilename, p2->name); 6681722Sjkh if(p1) p1->next = p2->next; 6691722Sjkh else progs = p2->next; 6701722Sjkh p2 = p2->next; 6711722Sjkh } 6721722Sjkh } 6731722Sjkh} 6741722Sjkh 6751722Sjkhvoid gen_specials_cache(void) 6761722Sjkh{ 6771722Sjkh FILE *cachef; 6781722Sjkh prog_t *p; 67969413Sluigi char line[MAXLINELEN]; 6801722Sjkh 68169413Sluigi snprintf(line, MAXLINELEN, "generating %s", cachename); 6821722Sjkh status(line); 6831722Sjkh 6841722Sjkh if((cachef = fopen(cachename, "w")) == NULL) { 68529453Scharnier warn("%s", cachename); 6861722Sjkh goterror = 1; 6871722Sjkh return; 6881722Sjkh } 6891722Sjkh 6901722Sjkh fprintf(cachef, "# %s - parm cache generated from %s by crunchgen %s\n\n", 6911722Sjkh cachename, infilename, CRUNCH_VERSION); 6921722Sjkh 6931722Sjkh for(p = progs; p != NULL; p = p->next) { 6941722Sjkh fprintf(cachef, "\n"); 6951722Sjkh if(p->srcdir) 6961722Sjkh fprintf(cachef, "special %s srcdir %s\n", p->name, p->srcdir); 6971722Sjkh if(p->objdir) 6981722Sjkh fprintf(cachef, "special %s objdir %s\n", p->name, p->objdir); 6991722Sjkh if(p->objs) { 7001722Sjkh fprintf(cachef, "special %s objs", p->name); 7011722Sjkh output_strlst(cachef, p->objs); 7021722Sjkh } 70370112Sjoe if(p->objpaths) { 70470112Sjoe fprintf(cachef, "special %s objpaths", p->name); 70570112Sjoe output_strlst(cachef, p->objpaths); 70670112Sjoe } 7071722Sjkh } 7081722Sjkh fclose(cachef); 7091722Sjkh} 7101722Sjkh 7111722Sjkh 7121722Sjkhvoid gen_output_makefile(void) 7131722Sjkh{ 7141722Sjkh prog_t *p; 7151722Sjkh FILE *outmk; 71669413Sluigi char line[MAXLINELEN]; 7171722Sjkh 71869413Sluigi snprintf(line, MAXLINELEN, "generating %s", outmkname); 7191722Sjkh status(line); 7201722Sjkh 7211722Sjkh if((outmk = fopen(outmkname, "w")) == NULL) { 72229453Scharnier warn("%s", outmkname); 7231722Sjkh goterror = 1; 7241722Sjkh return; 7251722Sjkh } 7261722Sjkh 7271722Sjkh fprintf(outmk, "# %s - generated from %s by crunchgen %s\n\n", 7281722Sjkh outmkname, infilename, CRUNCH_VERSION); 72956995Sluigi if (outhdrname[0] != '\0') 73056995Sluigi fprintf(outmk, ".include \"%s\"\n", outhdrname); 7311722Sjkh 7321722Sjkh top_makefile_rules(outmk); 7331722Sjkh for(p = progs; p != NULL; p = p->next) 7348857Srgrimes prog_makefile_rules(outmk, p); 7351722Sjkh 7361722Sjkh fprintf(outmk, "\n# ========\n"); 7371722Sjkh fclose(outmk); 7381722Sjkh} 7391722Sjkh 7401722Sjkh 7411722Sjkhvoid gen_output_cfile(void) 7421722Sjkh{ 7431722Sjkh extern char *crunched_skel[]; 7441722Sjkh char **cp; 7451722Sjkh FILE *outcf; 7461722Sjkh prog_t *p; 7471722Sjkh strlst_t *s; 74869413Sluigi char line[MAXLINELEN]; 7491722Sjkh 75069413Sluigi snprintf(line, MAXLINELEN, "generating %s", outcfname); 7511722Sjkh status(line); 7521722Sjkh 7531722Sjkh if((outcf = fopen(outcfname, "w")) == NULL) { 75429453Scharnier warn("%s", outcfname); 7551722Sjkh goterror = 1; 7561722Sjkh return; 7571722Sjkh } 7581722Sjkh 7598857Srgrimes fprintf(outcf, 7601722Sjkh "/* %s - generated from %s by crunchgen %s */\n", 7611722Sjkh outcfname, infilename, CRUNCH_VERSION); 7621722Sjkh 7631722Sjkh fprintf(outcf, "#define EXECNAME \"%s\"\n", execfname); 7641722Sjkh for(cp = crunched_skel; *cp != NULL; cp++) 7651722Sjkh fprintf(outcf, "%s\n", *cp); 7661722Sjkh 7671722Sjkh for(p = progs; p != NULL; p = p->next) 7681722Sjkh fprintf(outcf, "extern int _crunched_%s_stub();\n", p->ident); 7691722Sjkh 7701722Sjkh fprintf(outcf, "\nstruct stub entry_points[] = {\n"); 7711722Sjkh for(p = progs; p != NULL; p = p->next) { 7721722Sjkh fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", 7731722Sjkh p->name, p->ident); 7741722Sjkh for(s = p->links; s != NULL; s = s->next) 7751722Sjkh fprintf(outcf, "\t{ \"%s\", _crunched_%s_stub },\n", 7761722Sjkh s->str, p->ident); 7771722Sjkh } 7788857Srgrimes 7791722Sjkh fprintf(outcf, "\t{ EXECNAME, crunched_main },\n"); 7801722Sjkh fprintf(outcf, "\t{ NULL, NULL }\n};\n"); 7811722Sjkh fclose(outcf); 7821722Sjkh} 7831722Sjkh 7841722Sjkh 7851722Sjkhchar *genident(char *str) 7861722Sjkh{ 7871722Sjkh char *n,*s,*d; 7881722Sjkh 7891722Sjkh /* 7901722Sjkh * generates a Makefile/C identifier from a program name, mapping '-' to 7911722Sjkh * '_' and ignoring all other non-identifier characters. This leads to 7921722Sjkh * programs named "foo.bar" and "foobar" to map to the same identifier. 7931722Sjkh */ 7941722Sjkh 7951722Sjkh if((n = strdup(str)) == NULL) 7961722Sjkh return NULL; 7971722Sjkh for(d = s = n; *s != '\0'; s++) { 7981722Sjkh if(*s == '-') *d++ = '_'; 7991722Sjkh else if(*s == '_' || isalnum(*s)) *d++ = *s; 8001722Sjkh } 8011722Sjkh *d = '\0'; 8021722Sjkh return n; 8031722Sjkh} 8041722Sjkh 8051722Sjkh 8061722Sjkhchar *dir_search(char *progname) 8071722Sjkh{ 8081722Sjkh char path[MAXPATHLEN]; 8091722Sjkh strlst_t *dir; 8101722Sjkh 8111722Sjkh for(dir=srcdirs; dir != NULL; dir=dir->next) { 81269413Sluigi snprintf(path, MAXPATHLEN, "%s/%s", dir->str, progname); 8131722Sjkh if(is_dir(path)) return dir->str; 8141722Sjkh } 8151722Sjkh return NULL; 8161722Sjkh} 8171722Sjkh 8181722Sjkh 8191722Sjkhvoid top_makefile_rules(FILE *outmk) 8201722Sjkh{ 8211722Sjkh prog_t *p; 8221722Sjkh 8231722Sjkh fprintf(outmk, "LIBS="); 8241722Sjkh output_strlst(outmk, libs); 8251722Sjkh 82670112Sjoe if (makeobj) { 82770112Sjoe fprintf(outmk, "MAKEOBJDIRPREFIX?=%s\n", objprefix); 82870112Sjoe fprintf(outmk, "MAKE=env MAKEOBJDIRPREFIX=$(MAKEOBJDIRPREFIX) make\n"); 82970112Sjoe } else { 83070112Sjoe fprintf(outmk, "MAKE=make\n"); 83170112Sjoe } 83270112Sjoe 83368750Sjoe if (buildopts) { 83468750Sjoe fprintf(outmk, "BUILDOPTS+="); 83568750Sjoe output_strlst(outmk, buildopts); 83668750Sjoe } 83768750Sjoe 8381722Sjkh fprintf(outmk, "CRUNCHED_OBJS="); 8391722Sjkh for(p = progs; p != NULL; p = p->next) 8401722Sjkh fprintf(outmk, " %s.lo", p->name); 8411722Sjkh fprintf(outmk, "\n"); 8421722Sjkh 8431722Sjkh fprintf(outmk, "SUBMAKE_TARGETS="); 8441722Sjkh for(p = progs; p != NULL; p = p->next) 8451722Sjkh fprintf(outmk, " %s_make", p->ident); 84632589Sbrian fprintf(outmk, "\nSUBCLEAN_TARGETS="); 84732589Sbrian for(p = progs; p != NULL; p = p->next) 84832589Sbrian fprintf(outmk, " %s_clean", p->ident); 8491722Sjkh fprintf(outmk, "\n\n"); 8501722Sjkh 85170112Sjoe fprintf(outmk, "all: objs exe\nobjs: $(SUBMAKE_TARGETS)\n"); 85270112Sjoe fprintf(outmk, "exe: %s\n", execfname); 8538857Srgrimes fprintf(outmk, "%s: %s.o $(CRUNCHED_OBJS)\n", 8541722Sjkh execfname, execfname); 8551722Sjkh fprintf(outmk, "\t$(CC) -static -o %s %s.o $(CRUNCHED_OBJS) $(LIBS)\n", 8561722Sjkh execfname, execfname); 8571722Sjkh fprintf(outmk, "\tstrip %s\n", execfname); 85832589Sbrian fprintf(outmk, "realclean: clean subclean\n"); 8591722Sjkh fprintf(outmk, "clean:\n\trm -f %s *.lo *.o *_stub.c\n", 8601722Sjkh execfname); 86132589Sbrian fprintf(outmk, "subclean: $(SUBCLEAN_TARGETS)\n"); 8621722Sjkh} 8631722Sjkh 8641722Sjkh 8651722Sjkhvoid prog_makefile_rules(FILE *outmk, prog_t *p) 8661722Sjkh{ 86730120Sjoerg strlst_t *lst; 86830120Sjoerg 8691722Sjkh fprintf(outmk, "\n# -------- %s\n\n", p->name); 8701722Sjkh 8711722Sjkh if(p->srcdir && p->objs) { 8721722Sjkh fprintf(outmk, "%s_SRCDIR=%s\n", p->ident, p->srcdir); 87370112Sjoe fprintf(outmk, "%s_REALSRCDIR=%s\n", p->ident, p->realsrcdir); 87470112Sjoe 87570112Sjoe fprintf(outmk, "%s_OBJDIR=", p->ident); 87670112Sjoe if (p->objdir) 87770112Sjoe fprintf(outmk, "%s", p->objdir); 87870112Sjoe else 87970112Sjoe fprintf(outmk, "$(MAKEOBJDIRPREFIX)/$(%s_REALSRCDIR)\n", 88070112Sjoe p->ident); 88170112Sjoe fprintf(outmk, "\n"); 88270112Sjoe 8831722Sjkh fprintf(outmk, "%s_OBJS=", p->ident); 8841722Sjkh output_strlst(outmk, p->objs); 88568569Sjoe if (p->buildopts != NULL) { 88668569Sjoe fprintf(outmk, "%s_OPTS+=", p->ident); 88768569Sjoe output_strlst(outmk, p->buildopts); 88868569Sjoe } 8891722Sjkh fprintf(outmk, "%s_make:\n", p->ident); 89068286Sjoe fprintf(outmk, "\t(cd $(%s_SRCDIR) && ", p->ident); 89168286Sjoe if (makeobj) 89270112Sjoe fprintf(outmk, "$(MAKE) obj && "); 89368286Sjoe fprintf(outmk, "\\\n"); 89470112Sjoe fprintf(outmk, "\t\t$(MAKE) $(BUILDOPTS) $(%s_OPTS) depend && \\\n" 89570112Sjoe "\t\t$(MAKE) $(BUILDOPTS) $(%s_OPTS) $(%s_OBJS))\n", 89668286Sjoe p->ident, p->ident, p->ident); 89732589Sbrian fprintf(outmk, "%s_clean:\n", p->ident); 89870112Sjoe fprintf(outmk, "\t(cd $(%s_SRCDIR) && $(MAKE) clean)\n\n", p->ident); 8991722Sjkh } 9001722Sjkh else 9018857Srgrimes fprintf(outmk, "%s_make:\n\t@echo \"** cannot make objs for %s\"\n\n", 9021722Sjkh p->ident, p->name); 9031722Sjkh 90470112Sjoe fprintf(outmk, "%s_OBJPATHS=", p->ident); 90570112Sjoe if (p->objpaths) 90670112Sjoe output_strlst(outmk, p->objpaths); 90770112Sjoe else { 90870112Sjoe for (lst = p->objs; lst != NULL; lst = lst->next) { 90970112Sjoe fprintf(outmk, " $(%s_OBJDIR)/%s", p->ident, lst->str); 91070112Sjoe } 91170112Sjoe fprintf(outmk, "\n"); 91270112Sjoe } 9131722Sjkh 9141722Sjkh fprintf(outmk, "%s_stub.c:\n", p->name); 9151722Sjkh fprintf(outmk, "\techo \"" 9161722Sjkh "int _crunched_%s_stub(int argc, char **argv, char **envp)" 9171722Sjkh "{return main(argc,argv,envp);}\" >%s_stub.c\n", 9181722Sjkh p->ident, p->name); 9191722Sjkh fprintf(outmk, "%s.lo: %s_stub.o $(%s_OBJPATHS)\n", 9201722Sjkh p->name, p->name, p->ident); 9218857Srgrimes fprintf(outmk, "\tld -dc -r -o %s.lo %s_stub.o $(%s_OBJPATHS)\n", 9221722Sjkh p->name, p->name, p->ident); 92339171Sjkh fprintf(outmk, "\tcrunchide -k _crunched_%s_stub ", p->ident); 92430120Sjoerg for(lst = p->keeplist; lst != NULL; lst = lst->next) 92530120Sjoerg fprintf(outmk, "-k _%s ", lst->str); 92630120Sjoerg fprintf(outmk, "%s.lo\n", p->name); 9271722Sjkh} 9281722Sjkh 9291722Sjkhvoid output_strlst(FILE *outf, strlst_t *lst) 9301722Sjkh{ 9311722Sjkh for(; lst != NULL; lst = lst->next) 9321722Sjkh fprintf(outf, " %s", lst->str); 9331722Sjkh fprintf(outf, "\n"); 9341722Sjkh} 9351722Sjkh 9361722Sjkh 9371722Sjkh/* 9381722Sjkh * ======================================================================== 9391722Sjkh * general library routines 9401722Sjkh * 9411722Sjkh */ 9421722Sjkh 9431722Sjkhvoid status(char *str) 9441722Sjkh{ 9451722Sjkh static int lastlen = 0; 9461722Sjkh int len, spaces; 9471722Sjkh 9481722Sjkh if(!verbose) return; 9491722Sjkh 9501722Sjkh len = strlen(str); 9511722Sjkh spaces = lastlen - len; 9521722Sjkh if(spaces < 1) spaces = 1; 9531722Sjkh 9541722Sjkh fprintf(stderr, " [%s]%*.*s\r", str, spaces, spaces, " "); 9551722Sjkh fflush(stderr); 9561722Sjkh lastlen = len; 9571722Sjkh} 9581722Sjkh 9591722Sjkh 9601722Sjkhvoid out_of_memory(void) 9611722Sjkh{ 96270113Sjoe err(1, "%s: %d: out of memory, stopping", infilename, linenum); 9631722Sjkh} 9641722Sjkh 9651722Sjkh 9661722Sjkhvoid add_string(strlst_t **listp, char *str) 9671722Sjkh{ 9681722Sjkh strlst_t *p1, *p2; 9691722Sjkh 9701722Sjkh /* add to end, but be smart about dups */ 9711722Sjkh 9721722Sjkh for(p1 = NULL, p2 = *listp; p2 != NULL; p1 = p2, p2 = p2->next) 9731722Sjkh if(!strcmp(p2->str, str)) return; 9741722Sjkh 9751722Sjkh p2 = malloc(sizeof(strlst_t)); 97619822Sjoerg if(p2) { 97769413Sluigi p2->next = NULL ; 97819822Sjoerg p2->str = strdup(str); 97919822Sjoerg } 9801722Sjkh if(!p2 || !p2->str) 9811722Sjkh out_of_memory(); 9821722Sjkh 9831722Sjkh if(p1 == NULL) *listp = p2; 9841722Sjkh else p1->next = p2; 9851722Sjkh} 9861722Sjkh 9871722Sjkh 9881722Sjkhint is_dir(char *pathname) 9891722Sjkh{ 9901722Sjkh struct stat buf; 9911722Sjkh 9921722Sjkh if(stat(pathname, &buf) == -1) 9931722Sjkh return 0; 9941722Sjkh return S_ISDIR(buf.st_mode); 9951722Sjkh} 9961722Sjkh 9971722Sjkhint is_nonempty_file(char *pathname) 9981722Sjkh{ 9991722Sjkh struct stat buf; 10001722Sjkh 10011722Sjkh if(stat(pathname, &buf) == -1) 10021722Sjkh return 0; 10031722Sjkh 10041722Sjkh return S_ISREG(buf.st_mode) && buf.st_size > 0; 10051722Sjkh} 1006