X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=rmac.c;h=5842792087b00ada698fb54eaf5ecdccfed04b9d;hp=280b5979e34c2b8580eeca8f3eb20d204f30929b;hb=60f204cb9e3905100da0d89f14bb40db764acd9e;hpb=02523045dcb28c8f6ad794a84e32beff214be424 diff --git a/rmac.c b/rmac.c index 280b597..5842792 100644 --- a/rmac.c +++ b/rmac.c @@ -1,7 +1,7 @@ // // RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System // RMAC.C - Main Application Code -// Copyright (C) 199x Landon Dyer, 2011 Reboot and Friends +// Copyright (C) 199x Landon Dyer, 2011 - 2016 Reboot and Friends // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986 // Source utilised with the kind permission of Landon Dyer // @@ -34,16 +34,16 @@ int legacy_flag; // Do stuff like insert code in RISC assembler int obj_format; // Object format flag int debug; // [1..9] Enable debugging levels int err_flag; // '-e' specified -int err_fd; // File to write error messages to +int err_fd; // File to write error messages to int rgpu, rdsp; // Assembling Jaguar GPU or DSP code int list_fd; // File to write listing to int regbank; // RISC register bank int segpadsize; // Segment padding size -int endian; // Host processor endianess +int endian; // Host processor endianess (0 = LE, 1 = BE) char * objfname; // Object filename pointer char * firstfname; // First source filename char * cmdlnexec; // Executable name, pointer to ARGV[0] -char * searchpath; // Search path for include files +char * searchpath; // Search path for include files char defname[] = "noname.o"; // Default output filename int optim_flags[OPT_COUNT]; // Specific optimisations on/off matrix @@ -67,7 +67,7 @@ char * fext(char * name, char * extension, int stripp) // Clobber any old extension, if requested if (stripp) { - for(s=beg; *s && *s!='.'; ++s) + for(s=beg; *s && *s!='.'; ++s) ; *s = '\0'; @@ -84,7 +84,7 @@ char * fext(char * name, char * extension, int stripp) // Return 'item'nth element of semicolon-seperated pathnames specified in the // enviroment string 's'. Copy the pathname to 'buf'. Return 0 if the 'item' // nth path doesn't exist. -// +// // ['item' ranges from 0 to N-1, where N = #elements in search path] // int nthpath(char * env_var, int itemno, char * buf) @@ -128,6 +128,7 @@ void DisplayHelp(void) " -f[format] Output object file format\n" " a: ALCYON (use this for ST)\n" " b: BSD (use this for Jaguar)\n" + " e: ELF\n" " -i[path] Directory to search for include files\n" " -l[filename] Create an output listing file\n" " -n Don't do things behind your back in RISC assembler\n" @@ -166,12 +167,50 @@ void DisplayVersion(void) "| | | | | | | | (_| | (__ \n" "|_| |_| |_| |_|\\__,_|\\___|\n" "\nReboot's Macro Assembler\n" - "Copyright (C) 199x Landon Dyer, 2011-2015 Reboot\n" + "Copyright (C) 199x Landon Dyer, 2011-2017 Reboot\n" "V%01i.%01i.%01i %s (%s)\n\n", MAJOR, MINOR, PATCH, __DATE__, PLATFORM); } -// +// +// Parse optimisation options +// +int ParseOptimization(char * optstring) +{ + int onoff = 0; + + if (*optstring == '+') + onoff = 1; + else if (*optstring != '~') + return ERROR; + + if ((optstring[2] == 'a' || optstring[2] == 'A') + && (optstring[3] == 'l' || optstring[3] == 'L') + && (optstring[4] == 'l' || optstring[4] == 'L')) + { + memset(optim_flags, onoff, OPT_COUNT * sizeof(int)); + return OK; + } + else if (optstring[1] == 'o' || optstring[1] == 'O') // Turn on specific optimisation + { + int opt_no = atoi(&optstring[2]); + + if ((opt_no >= 0) && (opt_no < OPT_COUNT)) + { + optim_flags[opt_no] = onoff; + return OK; + } + else + return ERROR; + } + else + { + return ERROR; + } +} + + +// // Process command line arguments and do an assembly // int Process(int argc, char ** argv) @@ -180,7 +219,7 @@ int Process(int argc, char ** argv) SYM * sy; // Pointer to a symbol record char * s; // String pointer int fd; // File descriptor - char fnbuf[FNSIZ]; // Filename buffer + char fnbuf[FNSIZ]; // Filename buffer int i; // Iterator errcnt = 0; // Initialise error count @@ -266,10 +305,14 @@ int Process(int argc, char ** argv) case 'A': obj_format = ALCYON; break; - case 'b': // -fb = BSD (Jaguar Recommended) + case 'b': // -fb = BSD (Jaguar Recommended: 3 out 4 jaguars recommend it!) case 'B': obj_format = BSD; break; + case 'e': // -fe = ELF + case 'E': + obj_format = ELF; + break; default: printf("-f: unknown object format specified\n"); errcnt++; @@ -339,7 +382,7 @@ int Process(int argc, char ** argv) case 'R': switch(argv[argno][2]) { - case 'w': case 'W': segpadsize = 2; break; + case 'w': case 'W': segpadsize = 2; break; case 'l': case 'L': segpadsize = 4; break; case 'p': case 'P': segpadsize = 8; break; case 'd': case 'D': segpadsize = 16; break; @@ -409,28 +452,7 @@ int Process(int argc, char ** argv) } else if (*argv[argno] == '+' || *argv[argno] == '~') { - int onoff = 0; - if (*argv[argno] == '+') - onoff = 1; - if ((argv[argno][2] == 'a' || argv[argno][2] == 'A') && - (argv[argno][3] == 'l' || argv[argno][3] == 'L') && - (argv[argno][4] == 'l' || argv[argno][4] == 'L')) - memset(optim_flags, onoff, OPT_COUNT * sizeof(int)); - else if (argv[argno][1] == 'o' || argv[argno][1] == 'O') // Turn on specific optimisation - { - int opt_no = atoi(&argv[argno][2]); - if (opt_no>=0 && opt_no 1) - return Process(argc - 1, argv + 1); + return Process(argc - 1, argv + 1); DisplayVersion(); DisplayHelp();