diff options
Diffstat (limited to 'mdk-stage1/dietlibc/diet.c')
| -rw-r--r-- | mdk-stage1/dietlibc/diet.c | 367 |
1 files changed, 0 insertions, 367 deletions
diff --git a/mdk-stage1/dietlibc/diet.c b/mdk-stage1/dietlibc/diet.c deleted file mode 100644 index c3a053ac8..000000000 --- a/mdk-stage1/dietlibc/diet.c +++ /dev/null @@ -1,367 +0,0 @@ -#include <string.h> -#include <unistd.h> -#include <fcntl.h> -#include <stdio.h> -#include <stdlib.h> -#include <write12.h> - -#include "dietfeatures.h" - -/* goal: - * when invoked as - * "diet gcc -c t.c" - * exec - * "gcc -I/path/to/dietlibc/include -c t.c" - * - * when invoked as - * "diet sparc-linux-gcc -o t t.o" - * exec - * "sparc-linux-gcc -nostdlib -static -o t t.o /path/to/dietlibc/bin-sparc/start.o /path/to/dietlibc/bin-sparc/dietlibc.a" -*/ - -static void error(const char *message) { - __write2(message); - exit(1); -} - -static const char* Os[] = { - "i386","-Os","-mpreferred-stack-boundary=2", - "-malign-functions=0","-malign-jumps=0", - "-malign-loops=0","-fomit-frame-pointer",0, - "x86_64","-Os","-fno-omit-frame-pointer",0, - "sparc","-Os","-mcpu=supersparc",0, - "sparc64","-Os","-m64",0, - "alpha","-Os","-fomit-frame-pointer",0, - "arm","-Os","-fomit-frame-pointer",0, - "mips","-Os","-fomit-frame-pointer","-mno-abicalls","-G","8","-fno-pic",0, - "ppc","-Os","-fomit-frame-pointer","-mpowerpc-gpopt","-mpowerpc-gfxopt",0, - "s390","-Os","-fomit-frame-pointer",0, - "sh","-Os","-fomit-frame-pointer",0, - "ia64","-Os","-fno-omit-frame-pointer",0, - "x86_64","-Os","-fstrict-aliasing","-momit-leaf-frame-pointer","-mfance-math-387",0, - 0}; - -int main(int argc,char *argv[]) { - int _link=0; - int compile=0; - int preprocess=0; - int verbose=0; - int profile=0; - char diethome[]=DIETHOME; - char platform[1000]; -#ifdef __DYN_LIB - int shared=0; -#endif - char* shortplatform=0; -#ifdef WANT_SAFEGUARD - char safeguard1[]="-include"; - char safeguard2[]=DIETHOME "/include/dietref.h"; -#endif - const char *nostdlib="-nostdlib"; - const char *libgcc="-lgcc"; - char dashL[1000]; - char dashstatic[]="-static"; - int i; - int mangleopts=0; - char manglebuf[1024]; - -#ifdef INSTALLVERSION - strcpy(platform,DIETHOME "/lib-"); -#else -#ifndef __DYN_LIB - strcpy(platform,DIETHOME "/bin-"); -#else - strcpy(platform,DIETHOME "/pic-"); -#endif -#endif - strcpy(dashL,"-L"); - - if (argc<2) { -usage: - if (verbose) { - __write2( -#ifdef __DYN_LIB - "dyn-" -#endif - "diet version " VERSION -#ifndef INSTALLVERSION - " (non-install version in source tree)" -#endif - "\n\n"); - } - error("usage: diet [-v] [-Os] gcc command line\n" - "e.g. diet -Os gcc -c t.c\n" - "or diet sparc-linux-gcc -o foo foo.c bar.o\n"); - } - if (!strcmp(argv[1],"-v")) { - ++argv; --argc; - verbose=1; - } - if (argv[1] && !strcmp(argv[1],"-Os")) { - ++argv; --argc; - mangleopts=1; - } - if (!argv[1]) goto usage; - { - char *tmp=strchr(argv[1],0)-2; - char *tmp2,*tmp3; - char *cc=argv[1]; - if (tmp<cc) goto donttouch; - if ((tmp2=strstr(cc,"linux-"))) { /* cross compiling? */ - int len=strlen(platform); - --tmp2; - tmp3=strchr(cc,'-'); - if (tmp3<tmp2) tmp2=tmp3; - if (tmp2-cc>90) error("platform name too long!\n"); - shortplatform=platform+len; - memmove(shortplatform,argv[1],(size_t)(tmp2-cc)); - platform[tmp2-cc+len]=0; - if (shortplatform[0]=='i' && shortplatform[2]=='8' && shortplatform[3]=='6') shortplatform[1]='3'; - } else { -#ifdef __sparc__ -#ifdef __arch64__ - shortplatform="sparc64"; -#else - shortplatform="sparc"; -#endif -#endif -#ifdef __powerpc__ - shortplatform="ppc"; -#endif -#ifdef __i386__ - shortplatform="i386"; -#endif -#ifdef __alpha__ - shortplatform="alpha"; -#endif -#ifdef __arm__ - shortplatform="arm"; -#endif -#ifdef __mips__ - shortplatform="mips"; -#endif -#ifdef __s390__ - shortplatform="s390"; -#endif -#ifdef __sh__ - shortplatform="sh"; -#endif -#ifdef __hppa__ - shortplatform="parisc"; -#endif -#ifdef __x86_64__ - shortplatform="x86_64"; -#endif -#ifdef __ia64__ - shortplatform="ia64"; -#endif - { - char *tmp=platform+strlen(platform); - strcpy(tmp,shortplatform); - shortplatform=tmp; - } - } - /* MIPS needs special handling. If argv contains -EL, change - * platform name to mipsel */ - if (!strcmp(shortplatform,"mips")) { - int i; - for (i=1; i<argc; ++i) - if (!strcmp(argv[i],"-EL")) - strcpy(shortplatform,"mipsel"); - } - strcat(dashL,platform); - if (!strcmp(tmp,"cc")) { - char **newargv; - char **dest; - char *a,*b,*c; -#ifdef WANT_DYNAMIC - char *d,*e,*f; -#endif -/* we need to add -I... if the command line contains -c, -S or -E */ - for (i=2; i<argc; ++i) { - if (argv[i][0]=='-' && argv[i][1]=='M') - goto pp; - if (!strcmp(argv[i],"-pg")) - profile=1; - if (!strcmp(argv[i],"-c") || !strcmp(argv[i],"-S")) - compile=1; - if (!strcmp(argv[i],"-E")) -pp: - preprocess=compile=1; - } -/* we need to add -nostdlib if we are not compiling*/ - _link=!compile; -#ifdef __DYN_LIB - if (_link) { - for (i=2; i<argc; ++i) - if (!strcmp(argv[i],"-shared")) { - shared=1; - _link=0; - } - } -#endif -#if 0 - for (i=2; i<argc; ++i) - if (!strcmp(argv[i],"-o")) - if (!compile) _link=1; -#endif - newargv=alloca(sizeof(char*)*(argc+100)); - a=alloca(strlen(diethome)+20); - b=alloca(strlen(platform)+20); - c=alloca(strlen(platform)+20); - - strcpy(a,"-I"); strcat(a,diethome); strcat(a,"/include"); -#ifndef __DYN_LIB - strcpy(b,platform); - if (profile) strcat(b,"/pstart.o"); else strcat(b,"/start.o"); -#ifdef INSTALLVERSION - strcpy(c,platform); strcat(c,"/libc.a"); -#else - strcpy(c,platform); strcat(c,"/dietlibc.a"); -#endif -#else - strcpy(b,platform); strcat(b,"/dstart.o"); - strcpy(c,"-lc"); -#endif - -#ifdef WANT_DYNAMIC - d=alloca(strlen(platform)+20); - e=alloca(strlen(platform)+20); -#ifdef __DYN_LIB - strcpy(d,platform); - strcpy(e,platform); - if (shared) - strcat(d,"/dyn_so_start.o"); -#ifdef INSTALLVERSION - else - strcat(d,"/dyn_dstart.o"); - strcat(e,"/dyn_dstop.o"); -#else - else - strcat(d,"/dyn_start.o"); - strcat(e,"/dyn_stop.o"); -#endif -#else - strcpy(d,platform); strcat(d,"/dyn_start.o"); - strcpy(e,platform); strcat(e,"/dyn_stop.o"); -#endif -#endif - - dest=newargv; - *dest++=argv[1]; -#ifndef __DYN_LIB - if (_link) { *dest++=(char*)nostdlib; *dest++=dashstatic; *dest++=dashL; } -#else - /* avoid R_*_COPY relocations */ - *dest++="-fPIC"; - if (_link || shared) { *dest++=(char*)nostdlib; *dest++=dashL; } -#endif -#ifdef WANT_SAFEGUARD - if (compile && !preprocess) { - *dest++=safeguard1; - *dest++=safeguard2; - } -#endif - if (_link) { *dest++=b; } -#ifdef WANT_DYNAMIC - if (_link) { *dest++=d; } -#endif - for (i=2; i<argc; ++i) { - if (mangleopts) - if (argv[i][0]=='-' && (argv[i][1]=='O' || argv[i][1]=='f' || argv[i][1]=='m')) { - if (strcmp(argv[i],"-fpic") && strcmp(argv[i],"-fno-pic")) - continue; - } - *dest++=argv[i]; - } -#ifndef __DYN_LIB - if (compile || _link) *dest++=a; -#else - if (compile || _link || shared) *dest++=a; -#endif - *dest++="-D__dietlibc__"; - if (mangleopts) { - const char **o=Os; - - { - int fd; - char* tmp=getenv("HOME"); - if (tmp) { - if (strlen(tmp)+strlen(cc)<900) { - strcpy(manglebuf,tmp); - strcat(manglebuf,"/.diet/"); - strcat(manglebuf,cc); - if ((fd=open(manglebuf,O_RDONLY))>=0) { - int len=read(fd,manglebuf,1023); - if (len>0) { - int i; - manglebuf[len]=0; - *dest++=manglebuf; - for (i=1; i<len; ++i) { - if (manglebuf[i]==' ' || manglebuf[i]=='\n') { - manglebuf[i]=0; - if (i+1<len) - *dest++=manglebuf+i+1; - } - } - goto incorporated; - } - } - } - } - } - for (o=Os;*o;++o) { - if (!strcmp(*o,shortplatform)) { - ++o; - while (*o) { - *dest++=(char*)*o; - ++o; - } - break; - } else - while (*o) ++o; - } - } -incorporated: - if (_link) { - if (profile) *dest++="-lgmon"; - if (!strcmp(shortplatform,"sparc") || !strcmp(shortplatform,"sparc64")) { - *dest++=(char*)libgcc; *dest++=c; - } else { - *dest++=c; *dest++=(char*)libgcc; - } - } -#ifdef WANT_DYNAMIC - if (_link) { *dest++=e; } -#endif -#ifdef __DYN_LIB - if (shared){ *dest++=c; } - f=alloca(strlen(platform)+100); - if (_link) { - strcpy(f,"-Wl,-dynamic-linker="); - strcat(f,platform); -// strcat(f,"/diet-linux.so"); - strcat(f,"/libdl.so"); - *dest++=f; - } -#endif - *dest=0; - if (verbose) { - int i; - for (i=0; newargv[i]; i++) { - __write2(newargv[i]); - __write2(" "); - } - __write2("\n"); - } - execvp(newargv[0],newargv); - goto error; - } else if (!strcmp(tmp,"ld")) { - } - } -donttouch: - execvp(argv[1],argv+1); -error: - error("execvp() failed!\n"); - return 1; -} |