X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?p=rmac;a=blobdiff_plain;f=rmac.c;h=4772d203bd93d612f5e9e6a7121ae37e98fc9786;hp=f0b7efb41b8f3ec94e3cda5154a5fee35e0ff2eb;hb=HEAD;hpb=d09274f3e3d4dca122c308a621ea8edc100b7d99 diff --git a/rmac.c b/rmac.c index f0b7efb..17715f7 100644 --- a/rmac.c +++ b/rmac.c @@ -1,813 +1,819 @@ // -// RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System +// RMAC - Renamed Macro Assembler for all Atari computers // RMAC.C - Main Application Code -// Copyright (C) 199x Landon Dyer, 2011 Reboot and Friends +// Copyright (C) 199x Landon Dyer, 2011-2022 Reboot and Friends // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986 -// Source Utilised with the Kind Permission of Landon Dyer +// Source utilised with the kind permission of Landon Dyer // #include "rmac.h" +#include "6502.h" +#include "debug.h" +#include "direct.h" +#include "dsp56k.h" #include "error.h" -#include "listing.h" -#include "procln.h" -#include "token.h" #include "expr.h" -#include "sect.h" +#include "listing.h" #include "mark.h" #include "macro.h" -#include "risca.h" -#include "direct.h" -#include "version.h" -#include "debug.h" -#include "symbol.h" #include "object.h" +#include "procln.h" +#include "riscasm.h" +#include "sect.h" +#include "symbol.h" +#include "token.h" +#include "version.h" -int perm_verb_flag; // Permanently verbose, interactive mode -int list_flag; // "-l" Listing flag on command line -int verb_flag; // Be verbose about what's going on -int as68_flag; // as68 kludge mode -int glob_flag; // Assume undefined symbols are global -int lsym_flag; // Include local symbols in object file -int sbra_flag; // Warn about possible short branches -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 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 in_main; // In main memory flag for GPUMAIN -int endian; // Host processor endianess -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 defname[] = "noname.o"; // Default output filename - -// Under Windows and UNIX malloc() is an expensive call, so for small amounts -// of memory we allocate from a previously allocated buffer. - -#define A_AMOUNT 4096 // Amount to malloc() at a time -#define A_THRESH 64 // Use malloc() for amounts >= A_THRESH - -static LONG a_amount; // Amount left at a_ptr -static char * a_ptr; // Next free chunk -LONG amemtot; // amem() total of requests - -// Qsort; The THRESHold below is the insertion sort threshold, and has been adjusted -// for records of size 48 bytes.The MTHREShold is where we stop finding a better median. - -#define THRESH 4 // Threshold for insertion -#define MTHRESH 6 // Threshold for median - -static int (*qcmp)(); // The comparison routine -static int qsz; // Size of each record -static int thresh; // THRESHold in chars -static int mthresh; // MTHRESHold in chars - +int perm_verb_flag; // Permanently verbose, interactive mode +int list_flag; // "-l" listing flag on command line +int list_pag = 1; // Enable listing pagination by default +int verb_flag; // Be verbose about what's going on +int m6502; // 1, assembling 6502 code +int glob_flag; // Assume undefined symbols are global +int lsym_flag; // Include local symbols in object file (ALWAYS true) +int dsym_flag; // Gen debug syms (Requires obj_format = BSD) +int optim_warn_flag; // Warn about possible short branches +int prg_flag; // !=0, produce .PRG executable (2=symbols) +int prg_extend; // !=0, output extended .PRG symbols +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 rgpu, rdsp; // Assembling Jaguar GPU or DSP code +int robjproc; // Assembling Jaguar Object Processor code +int dsp56001; // Assembling DSP 56001 code +int list_fd; // File to write listing to +int segpadsize; // Segment padding size +int endian; // Host processor endianess (0 = LE, 1 = BE) +int *regbase; // Points to current DFA register table (base) +int *regtab; // Points to current DFA register table (tab) +int *regcheck; // Points to current DFA register table (check) +int *regaccept; // Points to current DFA register table (accept) +char * objfname; // Object filename pointer +char * firstfname; // First source filename +char * cmdlnexec; // Executable name, pointer to ARGV[0] +char searchpatha[512] = { 0 }; // Buffer to hold searchpath when specified +char * searchpath = NULL; // Search path for include files +char defname[] = "noname.o"; // Default output filename +int optim_flags[OPT_COUNT_ALL] = { 0 }; // Specific optimisations on/off matrix +int activecpu = CPU_68000; // Active 68k CPU (68000 by default) +int activefpu = FPU_NONE; // Active FPU (none by default) +int org68k_active = 0; // .org switch for 68k (only with RAW output format) +uint32_t org68k_address; // .org for 68k +int correctMathRules; // 1, use C operator precedence in expressions +uint32_t used_architectures; // Bitmask that records exactly which architectures were used during assembly // -// qst: Do a quicksort. First, find the median element, and put that one in the first place as -// the discriminator. (This "median" is just the median of the first, last and middle elements). -// (Using this median instead of the first element is a big win). Then, the usual -// partitioning/swapping, followed by moving the discriminator into the right place. Then, -// figure out the sizes of the two partions, do the smaller one recursively and the larger one -// via a repeat of this code. Stopping when there are less than THRESH elements in a partition -// and cleaning up with an insertion sort (in our caller) is a huge win. All data swaps are done -// in-line, which is space-losing but time-saving. (And there are only three places where -// this is done). +// Convert a string to uppercase // -static int qst(char * base, char * max) +void strtoupper(char * s) { - char c, * i, * j, * jj; - int ii; - char * mid, * tmp; - long lo, hi; - - /* - * At the top here, lo is the number of characters of elements in the - * current partition. (Which should be max - base). - * Find the median of the first, last, and middle element and make - * that the middle element. Set j to largest of first and middle. - * If max is larger than that guy, then it's that guy, else compare - * max with loser of first and take larger. Things are set up to - * prefer the middle, then the first in case of ties. - */ - lo = max - base; /* number of elements as chars */ - do { - mid = i = base + qsz * ((lo / qsz) >> 1); - if (lo >= mthresh) { - j = (qcmp((jj = base), i) > 0 ? jj : i); - if (qcmp(j, (tmp = max - qsz)) > 0) { - /* switch to first loser */ - j = (j == jj ? i : jj); - if (qcmp(j, tmp) < 0) - j = tmp; - } - if (j != i) { - ii = qsz; - do { - c = *i; - *i++ = *j; - *j++ = c; - } while (--ii); - } - } - /* - * Semi-standard quicksort partitioning/swapping - */ - for (i = base, j = max - qsz; ; ) { - while (i < mid && qcmp(i, mid) <= 0) - i += qsz; - while (j > mid) { - if (qcmp(mid, j) <= 0) { - j -= qsz; - continue; - } - tmp = i + qsz; /* value of i after swap */ - if (i == mid) { - /* j <-> mid, new mid is j */ - mid = jj = j; - } else { - /* i <-> j */ - jj = j; - j -= qsz; - } - goto swap; - } - if (i == mid) { - break; - } else { - /* i <-> mid, new mid is i */ - jj = mid; - tmp = mid = i; /* value of i after swap */ - j -= qsz; - } -swap: - ii = qsz; - do { - c = *i; - *i++ = *jj; - *jj++ = c; - } while (--ii); - i = tmp; - } - /* - * Look at sizes of the two partitions, do the smaller - * one first by recursion, then do the larger one by - * making sure lo is its size, base and max are update - * correctly, and branching back. But only repeat - * (recursively or by branching) if the partition is - * of at least size THRESH. - */ - i = (j = mid) + qsz; - if ((lo = j - base) <= (hi = max - i)) { - if (lo >= thresh) - qst(base, j); - base = i; - lo = hi; - } else { - if (hi >= thresh) - qst(i, max); - max = j; - } - } while (lo >= thresh); - - return(0); + while (*s) + *s++ &= 0xDF; } - -/* - * qsort: - * First, set up some global parameters for qst to share. Then, quicksort - * with qst(), and then a cleanup insertion sort ourselves. Sound simple? - * It's not... - */ -int rmac_qsort(char * base, int n, int size, int (*compar)()) +// +// Manipulate file extension. +// +// 'name' must be large enough to hold any possible filename. If 'stripp' is +// nonzero, any old extension is removed. If the file does not already have an +// extension, 'extension' is appended to the filename. +// +char * fext(char * name, char * extension, int stripp) { - register char c, * i, * j, * lo, * hi; - char * min, * max; + char * s; - if (n <= 1) - return(0); + // Find beginning of "real" name (strip off path) + char * beg = strrchr(name, SLASHCHAR); - qsz = size; - qcmp = compar; - thresh = qsz * THRESH; - mthresh = qsz * MTHRESH; - max = base + n * qsz; + if (beg == NULL) + beg = name; - if (n >= THRESH) - { - qst(base, max); - hi = base + thresh; - } - else + // Clobber any old extension, if requested + if (stripp) { - hi = max; - } + for(s=beg; *s && *s!='.'; ++s) + ; - /* - * First put smallest element, which must be in the first THRESH, in - * the first position as a sentinel. This is done just by searching - * the first THRESH elements (or the first n if n < THRESH), finding - * the min, and swapping it into the first position. - */ - for (j = lo = base; (lo += qsz) < hi; ) - if (qcmp(j, lo) > 0) - j = lo; - - if (j != base) - { - /* swap j into place */ - for (i = base, hi = base + qsz; i < hi; ) - { - c = *j; - *j++ = *i; - *i++ = c; - } - } - /* - * With our sentinel in place, we now run the following hyper-fast - * insertion sort. For each remaining element, min, from [1] to [n-1], - * set hi to the index of the element AFTER which this one goes. - * Then, do the standard insertion sort shift on a character at a time - * basis for each element in the frob. - */ - for (min = base; (hi = min += qsz) < max; ) { - while (qcmp(hi -= qsz, min) > 0) - /* void */; - if ((hi += qsz) != min) { - for (lo = min + qsz; --lo >= min; ) { - c = *lo; - for (i = j = lo; (j -= qsz) >= hi; i = j) - *i = *j; - *i = c; - } - } + *s = '\0'; } - return(0); + + if (strrchr(beg, '.') == NULL) + strcat(beg, extension); + + return name; } +static int is_sep(char c) +{ + const char *seps = PATH_SEPS; + + for (seps = PATH_SEPS; *seps; seps++) { + if (*seps == c) + return 1; + } + + return 0; +} // -// Allocate memory; Panic and Quit if we Run Out +// 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] // -char * amem(LONG amount) +int nthpath(char * env_var, int itemno, char * buf) { - char * p; + char * s = searchpath; - if (amount & 1) // Keep word alignment - ++amount; + if (s == NULL) + s = getenv(env_var); - if (amount < A_THRESH) - { // Honor *small* request - if (a_amount < amount) - { - a_ptr = amem(A_AMOUNT); - a_amount = A_AMOUNT; - } + if (s == NULL) + return 0; - p = a_ptr; - a_ptr += amount; - a_amount -= amount; - } - else - { - amemtot += amount; // Bump total alloc - p = (char *)malloc(amount); // Get memory from malloc + while (itemno--) + while (*s != EOS && !is_sep(*s++)) + ; - if ((LONG)p == (LONG)NULL) - fatal("memory exhausted"); + if (*s == EOS) + return 0; - memset(p, 0, amount); - } + while (*s != EOS && !is_sep(*s)) + *buf++ = *s++; - return p; -} + *buf++ = EOS; + return 1; +} // -// Copy stuff around, return pointer to dest+count+1 (doesn't handle overlap) +// Display command line help // -char * copy(char * dest, char * src, LONG count) +void DisplayHelp(void) { - while (count--) - *dest++ = *src++; - - return dest; + printf("Usage:\n" + " %s [options] srcfile\n" + "\n" + "Options:\n" + " -? or -h Display usage information\n" + " -dsymbol[=value] Define symbol (with optional value, default=0)\n" + " -e[errorfile] Send error messages to file, not stdout\n" + " -f[format] Output object file format\n" + " a: ALCYON\n" + " b: BSD (use this for Jaguar)\n" + " c: PRG (C64)\n" + " e: ELF\n" + " p: P56 (use this for DSP56001 only)\n" + " l: LOD (use this for DSP56001 only)\n" + " x: com/exe/xex (Atari 800)\n" + " r: absolute address\n" + " -g Output source level debug information (BSD object only)\n" + " -i[path] Directory to search for include files\n" + " -l[filename] Create an output listing file\n" + " -l*[filename] Create an output listing file without pagination\n" + " -m[cpu] Select default CPU. Available options:\n" + " 68000, 68020, 68030, 68040, 68060, 6502, tom, jerry, 56001\n" + " -n Don't do things behind your back in RISC assembler\n" + " -o file Output file name\n" + " +o[value] Turn a specific optimisation on\n" + " Available optimisation switches:\n" + " o0: Absolute long addresses to word\n" + " o1: move.l #x,dn/an to moveq\n" + " o2: Word branches to short\n" + " o3: Outer displacement 0(an) to (an)\n" + " o4: lea size(An),An to addq #size,An\n" + " o5: 68020+ Absolute long base/outer disp. to word\n" + " o6: Null branches to NOP\n" + " o7: clr.l Dx to moveq #0,Dx\n" + " o8: adda.w/l #x,Dy to addq.w/l #x,Dy\n" + " o9: adda.w/l #x,Ay to lea x(Dy),Ay\n" + " o10: 56001 Use short format for immediate values if possible\n" + " o11: 56001 Auto convert short addressing mode to long (default: on)\n" + " o30: Enforce PC relative (alternative name: op)\n" + " ~o[value] Turn a specific optimisation off\n" + " +oall Turn all optimisations on\n" + " ~oall Turn all optimisations off\n" + " -p Create an ST .prg (without symbols). Forces -fa\n" + " -ps Create an ST .prg (with symbols). Forces -fa\n" + " -px Create an ST .prg (with exsymbols). Forces -fa\n" + " -r[size] Pad segments to boundary size specified\n" + " w: word (2 bytes, default alignment)\n" + " l: long (4 bytes)\n" + " p: phrase (8 bytes)\n" + " d: double phrase (16 bytes)\n" + " q: quad phrase (32 bytes)\n" + " -s Warn about possible short branches\n" + " and applied optimisations\n" + " -u Force referenced and undefined symbols global\n" + " -v Set verbose mode\n" + " -x Turn on debugging mode\n" + " -y[pagelen] Set page line length (default: 61)\n" + " -4 Use C style operator precedence\n" + "\n", cmdlnexec); } // -// Clear a region of memory +// Display version information // -void clear(char * dest, LONG count) +void DisplayVersion(void) { - while(count--) - *dest++ = 0; + printf("\n" + " _ __ _ __ ___ __ _ ___ \n" + "| '__| '_ ` _ \\ / _` |/ __|\n" + "| | | | | | | | (_| | (__ \n" + "|_| |_| |_| |_|\\__,_|\\___|\n" + "\nRenamed Macro Assembler\n" + "Copyright (C) 199x Landon Dyer, 2011-2022 Reboot and Friends\n" + "V%01i.%01i.%01i %s (%s)\n\n", MAJOR, MINOR, PATCH, __DATE__, PLATFORM); } - // -// Check to see if the string is a keyword. Returns -1, or a value from the -// 'accept[]' table +// Parse optimisation options // -int kmatch(char * p, int * base, int * check, int * tab, int * accept) +int ParseOptimization(char * optstring) { - int state; - int j; + int onoff = 0; - for(state=0; state>=0;) + while (*optstring) { - j = base[state] + (int)tolowertab[*p]; + if (*optstring == '+') + onoff = 1; + else if (*optstring != '~') + return ERROR; - if (check[j] != state) - { // Reject, character doesn't match - state = -1; // No match - break; + if (optstring[2] == 0) + return error(".opt called with zero arguments"); + + 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)); + optstring += 5; } + else if (optstring[1] == 'o' || optstring[1] == 'O') // Turn on specific optimisation + { + if (optstring[2] == 'p' || optstring[2] == 'P') + { + optim_flags[OPT_PC_RELATIVE] = onoff; + optstring += 3; + } + else + { + int opt_no = atoi(&optstring[2]); - if (!*++p) - { // Must accept or reject at EOS - state = accept[j]; // (-1 on no terminal match) - break; + if ((opt_no >= 0) && (opt_no < OPT_COUNT)) + { + optim_flags[opt_no] = onoff; + optstring += 3; + + // If opt_no is 2 digits then consume an extra character. + // Sounds a bit sleazy but we know we're not going to hit + // more than 100 optimisation switches so this should be + // fine. If we do hit that number then it'll probably be + // time to burn the whole codebase and start from scratch. + if (opt_no > 9) + optstring++; + } + else + return ERROR; + } + } + else + { + return ERROR; } - state = tab[j]; + if (*optstring == ',') + optstring++; } - - return state; -} - - -// -// Auto-even a section -// -void autoeven(int sect) -{ - switchsect(sect); - d_even(); - savsect(); + return OK; } - -// -// Manipulate file extension. -// `name' must be large enough to hold any possible filename. -// If `stripp' is nonzero, any old extension is removed. -// Then, if the file does not already have an extension, -// `extension' is appended to the filename. -// -char * fext(char * name, char * extension, int stripp) +static void ProcessFile(int fd, char *fname) { - char * s, * beg; // String pointers - - // Find beginning of "real" name - beg = name + strlen(name) - 1; + char *dbgname = fname; - for(; beg>name; --beg) + if (NULL == fname) { - if (*beg == SLASHCHAR) - { - ++beg; - break; - } - } - - if (stripp) - { // Clobber any old extension - for(s=beg; *s && *s!='.'; ++s) - ; - - *s = '\0'; + fname = defname; // Kludge first filename + dbgname = "(stdin)"; } - for(s=beg; *s!='.'; ++s) + // First file operations: + if (firstfname == NULL) { - if (!*s) - { // Append the new extension - strcat(beg, extension); - break; + // Record first filename. + firstfname = fname; + + // Validate option compatibility + if (dsym_flag) + { + if (obj_format != BSD) + { + printf("-g: debug information only supported with BSD object file format\n"); + dsym_flag = 0; + errcnt++; + } + else + { + GenMainFileSym(dbgname); + } } } - return name; + include(fd, dbgname); + Assemble(); } +extern int reg68base[53]; +extern int reg68tab[222]; +extern int reg68check[222]; +extern int reg68accept[222]; // -// 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] +// Process command line arguments and do an assembly // -int nthpath(char * env_var, int itemno, char * buf) +int Process(int argc, char ** argv) { - char * s = searchpath; + int argno; // Argument number + SYM * sy; // Pointer to a symbol record + char * s; // String pointer + int fd; // File descriptor + char fnbuf[FNSIZ]; // Filename buffer + int i; // Iterator + int current_path_index = 0; // Iterator for search paths + + errcnt = 0; // Initialize error count + listing = 0; // Initialize listing level + list_flag = 0; // Initialize listing flag + verb_flag = perm_verb_flag; // Initialize verbose flag + glob_flag = 0; // Initialize .globl flag + optim_warn_flag = 0; // Initialize short branch flag + debug = 0; // Initialize debug flag + objfname = NULL; // Initialize object filename + list_fname = NULL; // Initialize listing filename + err_fname = NULL; // Initialize error filename + obj_format = BSD; // Initialize object format + firstfname = NULL; // Initialize first filename + err_fd = ERROUT; // Initialize error file descriptor + err_flag = 0; // Initialize error flag + rgpu = 0; // Initialize GPU assembly flag + rdsp = 0; // Initialize DSP assembly flag + robjproc = 0; // Initialize OP assembly flag + lsym_flag = 1; // Include local symbols in object file + dsym_flag = 0; // No debug sym generation by default + orgactive = 0; // Not in RISC org section + orgwarning = 0; // No ORG warning issued + segpadsize = 2; // Initialize segment padding size + dsp_orgmap[0].start = 0; // Initialize 56001 org initial address + dsp_orgmap[0].memtype = ORG_P; // Initialize 56001 org start segment + m6502 = 0; // 6502 mode off by default + regbase = reg68base; // Initialise DFA register tables + regtab = reg68tab; // Idem + regcheck = reg68check; // Idem + regaccept = reg68accept; // Idem + correctMathRules = 0; // respect operator precedence + used_architectures = 0; // Initialise used architectures bitfield + // Initialize modules + InitSymbolTable(); // Symbol table + InitTokenizer(); // Tokenizer + InitLineProcessor(); // Line processor + InitExpression(); // Expression analyzer + InitSection(); // Section manager / code generator + InitMark(); // Mark tape-recorder + InitMacro(); // Macro processor + InitListing(); // Listing generator + Init6502(); // 6502 assembler + + // Process command line arguments and assemble source files + for(argno=0; argnosvalue = 0; + } - if (*s == EOS) - return 0; + sy->sattr = DEFINED | EQUATED | ABS; + sy->svalue = (*s ? (uint64_t)atoi(s) : 0); + break; + case 'e': // Redirect error message output + case 'E': + err_fname = argv[argno] + 2; + break; + case 'f': // -f + case 'F': + switch (argv[argno][2]) + { + case EOS: + case 'a': // -fa = Alcyon [the default] + case 'A': + obj_format = ALCYON; + break; + case 'b': // -fb = BSD (Jaguar Recommended: 3 out 4 jaguars recommend it!) + case 'B': + obj_format = BSD; + break; + case 'c': + case 'C': + obj_format = C64PRG; + break; + case 'e': // -fe = ELF + case 'E': + obj_format = ELF; + break; + case 'l': // -fl = LOD + case 'L': + obj_format = LOD; + break; + case 'p': // -fp = P56 + case 'P': + obj_format = P56; + break; + case 'x': // -fx = COM/EXE/XEX + case 'X': + obj_format = XEX; + break; + case 'r': // -fr = Absolute address + case 'R': + obj_format = RAW; + break; + default: + printf("-f: unknown object format specified\n"); + errcnt++; + return errcnt; + } + break; + case 'g': // Debugging flag + case 'G': + dsym_flag = 1; + break; + case 'i': // Set directory search path + case 'I': + { + strcat(searchpatha, argv[argno] + 2); + strcat(searchpatha, ";"); + searchpath = searchpatha; - while (*s != EOS && *s != ';') - *buf++ = *s++; + // Check to see if include paths actually exist + char current_path[256]; - *buf++ = EOS; + for(i=current_path_index; nthpath("RMACPATH", i, current_path)!=0; i++) + { + if (strlen(current_path) > 0) + { + DIR * test = opendir(current_path); + + if (test == NULL) + { + printf("Invalid include path: %s\n", current_path); + errcnt++; + return errcnt; + } - return 1; -} + closedir(test); + } + } + current_path_index = i - 1; + break; + } + case 'l': // Produce listing file + case 'L': + if (*(argv[argno] + 2) == '*') + { + list_fname = argv[argno] + 3; + list_pag = 0; // Special case - turn off pagination + } + else + { + list_fname = argv[argno] + 2; + } -// -// Display Command Line Help -// -void display_help(void) -{ - printf("Usage:\n"); - printf(" %s [options] srcfile\n", cmdlnexec); - printf("\n"); - printf("Options:\n"); - printf(" -? or -h display usage information\n"); - printf(" -dsymbol[=value] define symbol\n"); - printf(" -e[errorfile] send error messages to file, not stdout\n"); - printf(" -f[format] output object file format\n"); - printf(" b: BSD (use this for Jaguar)\n"); - printf(" -i[path] directory to search for include files\n"); - printf(" -l[filename] create an output listing file\n"); - printf(" -o file output file name\n"); - printf(" -r[size] pad segments to boundary size specified\n"); - printf(" w: word (2 bytes, default alignment)\n"); - printf(" l: long (4 bytes)\n"); - printf(" p: phrase (8 bytes)\n"); - printf(" d: double phrase (16 bytes)\n"); - printf(" q: quad phrase (32 bytes)\n"); - printf(" -s warn about possible short branches\n"); - printf(" -u force referenced and undefined symbols global\n"); - printf(" -v set verbose mode\n"); - printf(" -y[pagelen] set page line length (default: 61)\n"); - printf("\n"); -} + listing = 1; + list_flag = 1; + lnsave++; + break; + case 'm': + case 'M': + if (strcmp(argv[argno] + 2, "68000") == 0) + d_68000(); + else if (strcmp(argv[argno] + 2, "68020") == 0) + d_68020(); + else if (strcmp(argv[argno] + 2, "68030") == 0) + d_68030(); + else if (strcmp(argv[argno] + 2, "68040") == 0) + d_68040(); + else if (strcmp(argv[argno] + 2, "68060") == 0) + d_68060(); + else if (strcmp(argv[argno] + 2, "68881") == 0) + d_68881(); + else if (strcmp(argv[argno] + 2, "68882") == 0) + d_68882(); + else if (strcmp(argv[argno] + 2, "56001") == 0) + d_56001(); + else if (strcmp(argv[argno] + 2, "6502") == 0) + d_6502(); + else if (strcmp(argv[argno] + 2, "tom") == 0) + d_gpu(); + else if (strcmp(argv[argno] + 2, "jerry") == 0) + d_dsp(); + else + { + printf("Unrecognized CPU '%s'\n", argv[argno] + 2); + errcnt++; + return errcnt; + } + break; + case 'o': // Direct object file output + case 'O': + if (argv[argno][2] != EOS) + objfname = argv[argno] + 2; + else + { + if (++argno >= argc) + { + printf("Missing argument to -o"); + errcnt++; + return errcnt; + } + + objfname = argv[argno]; + } + break; + case 'p': /* -p: generate ".PRG" executable output */ + case 'P': + /* + * -p .PRG generation w/o symbols + * -ps .PRG generation with symbols + * -px .PRG generation with extended symbols + */ + switch (argv[argno][2]) + { + case EOS: + prg_flag = 1; + break; + + case 's': + case 'S': + prg_flag = 2; + break; + + case 'x': + case 'X': + prg_flag = 3; + break; + + default: + printf("-p: syntax error\n"); + errcnt++; + return errcnt; + } -// -// Display Version Information -// -void display_version(void) -{ - printf("\nReboot's Macro Assembler for Atari Jaguar\n"); - printf("Copyright (C) 199x Landon Dyer, 2011 Reboot\n"); - printf("V%01i.%01i.%01i %s (%s)\n\n", MAJOR, MINOR, PATCH, __DATE__, PLATFORM); -} + // Enforce Alcyon object format - kind of silly + // to ask for .prg output without it! + obj_format = ALCYON; + break; + case 'r': // Pad seg to requested boundary size + case 'R': + switch(argv[argno][2]) + { + 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; + case 'q': case 'Q': segpadsize = 32; break; + default: segpadsize = 2; break; // Effective autoeven(); + } + break; + case 's': // Warn about possible short branches and applied optimisations + case 'S': + optim_warn_flag = 1; + break; + case 'u': // Make undefined symbols .globl + case 'U': + glob_flag = 1; + break; + case 'v': // Verbose flag + case 'V': + verb_flag++; + if (verb_flag > 1) + DisplayVersion(); -// -// Process Command Line Arguments and do an Assembly -// -int process(int argc, char ** argv) -{ - int argno; // Argument number - SYM * sy; // Pointer to a symbol record - char * s; // String pointer - int fd; // File descriptor - char fnbuf[FNSIZ]; // Filename buffer - int i; // Iterator - - errcnt = 0; // Initialise error count - listing = 0; // Initialise listing level - list_flag = 0; // Initialise listing flag - verb_flag = perm_verb_flag; // Initialise verbose flag - as68_flag = 0; // Initialise as68 kludge mode - glob_flag = 0; // Initialise .globl flag - sbra_flag = 0; // Initialise short branch flag - debug = 0; // Initialise debug flag - searchpath = NULL; // Initialise search path - objfname = NULL; // Initialise object filename - list_fname = NULL; // Initialise listing filename - err_fname = NULL; // Initialise error filename - obj_format = BSD; // Initialise object format - firstfname = NULL; // Initialise first filename - err_fd = ERROUT; // Initialise error file descriptor - err_flag = 0; // Initialise error flag - rgpu = 0; // Initialise GPU assembly flag - rdsp = 0; // Initialise DSP assembly flag - lsym_flag = 1; // Include local symbols in object file - regbank = BANK_N; // No RISC register bank specified - orgactive = 0; // Not in RISC org section - orgwarning = 0; // No ORG warning issued - a_amount = 0; - segpadsize = 2; // Initialise segment padding size - in_main = 0; - - // Initialise modules - init_sym(); // Symbol table - init_token(); // Tokenizer - init_procln(); // Line processor - init_expr(); // Expression analyzer - init_sect(); // Section manager / code generator - init_mark(); // Mark tape-recorder - init_macro(); // Macro processor - init_list(); // Listing generator - - // Process command line arguments and assemble source files - for(argno = 0; argno < argc; ++argno) { - if (*argv[argno] == '-') { - switch(argv[argno][1]) { - case 'd': // Define symbol - case 'D': - for(s = argv[argno] + 2; *s != EOS;) { - if (*s++ == '=') { - s[-1] = EOS; - break; - } - } - if (argv[argno][2] == EOS) { - printf("-d: empty symbol\n"); - ++errcnt; - return(errcnt); - } - sy = lookup(argv[argno] + 2, 0, 0); - if (sy == NULL) { - sy = newsym(argv[argno] + 2, LABEL, 0); - sy->svalue = 0; - } - sy->sattr = DEFINED | EQUATED | ABS; - if (*s) - sy->svalue = (VALUE)atoi(s); - else - sy->svalue = 0; - break; - case 'e': // Redirect error message output - case 'E': - err_fname = argv[argno] + 2; - break; - case 'f': // -f - case 'F': - switch(argv[argno][2]) { - case EOS: - case 'b': // -fb = BSD (Jaguar Recommended) - case 'B': - obj_format = BSD; - break; - default: - printf("-f: unknown object format specified\n"); - ++errcnt; - return(errcnt); - } - break; - case 'g': // Debugging flag - case 'G': - printf("Debugging flag (-g) not yet implemented\n"); - break; - case 'i': // Set directory search path - case 'I': - searchpath = argv[argno] + 2; - break; - case 'l': // Produce listing file - case 'L': - list_fname = argv[argno] + 2; - listing = 1; - list_flag = 1; - ++lnsave; - break; - case 'o': // Direct object file output - case 'O': - if (argv[argno][2] != EOS) objfname = argv[argno] + 2; - else { - if (++argno >= argc) { - printf("Missing argument to -o"); - ++errcnt; - return(errcnt); - } - objfname = argv[argno]; - } - break; - case 'r': // Pad seg to requested boundary size - case 'R': - switch(argv[argno][2]) { - 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; - case 'q': case 'Q': segpadsize = 32; break; - default: segpadsize = 2; break; // Effective autoeven(); - } - break; - case 's': // Warn about possible short branches - case 'S': - sbra_flag = 1; - break; - case 'u': // Make undefined symbols .globl - case 'U': - glob_flag = 1; - break; - case 'v': // Verbose flag - case 'V': - verb_flag++; - if (verb_flag > 1) display_version(); - break; - case 'x': // Turn on debugging - case 'X': - debug = 1; - printf("~ Debugging ON\n"); - break; - case 'y': // -y - case 'Y': - pagelen = atoi(argv[argno] + 2); - if (pagelen < 10) { - printf("-y: bad page length\n"); - ++errcnt; - return(errcnt); - } - break; - case EOS: // Input is stdin - if (firstfname == NULL) // Kludge first filename - firstfname = defname; - include(0, "(stdin)"); - assemble(); - break; - case 'h': // Display command line usage - case 'H': - case '?': - display_version(); - display_help(); - ++errcnt; - break; - default: - display_version(); - printf("Unknown switch: %s\n\n", argv[argno]); - display_help(); - ++errcnt; - break; - } - } else { - // Record first filename. - if (firstfname == NULL) - firstfname = argv[argno]; - strcpy(fnbuf, argv[argno]); - fext(fnbuf, ".s", 0); - fd = open(fnbuf, 0); - if (fd < 0) { - printf("Cannot open: %s\n", fnbuf); - ++errcnt; - continue; - } - include(fd, fnbuf); - assemble(); - } - } - - // Wind-up processing; - // o save current section (no more code generation) - // o do auto-even of all sections (or boundary alignment as requested through '-r') - // o determine name of object file: - // - "foo.o" for linkable output; - // - "foo.prg" for GEMDOS executable (-p flag). - savsect(); - for(i = TEXT; i <= BSS; i <<= 1) { - switchsect(i); - switch(segpadsize) { - case 2: d_even(); break; - case 4: d_long(); break; - case 8: d_phrase(); break; - case 16: d_dphrase(); break; - case 32: d_qphrase(); break; - } - savsect(); - } - - if (objfname == NULL) { - if (firstfname == NULL) - firstfname = defname; - strcpy(fnbuf, firstfname); - //fext(fnbuf, prg_flag ? ".prg" : ".o", 1); - fext(fnbuf, ".o", 1); - objfname = fnbuf; - } - - // With one pass finished, go back and: - // (1) run through all the fixups and resolve forward references; - // (1.5) ensure that remaining fixups can be handled by the linker - // (`lo68' format, extended (postfix) format....) - // (2) generate the output file image and symbol table; - // (3) generate relocation information from left-over fixups. - fixups(); // Do all fixups - stopmark(); // Stop mark tape-recorder - if (errcnt == 0) { - if ((fd = open(objfname, _OPEN_FLAGS, _PERM_MODE)) < 0) - cantcreat(objfname); - if (verb_flag) { - s = "object"; - printf("[Writing %s file: %s]\n", s, objfname); - } - object((WORD)fd); - close(fd); - if (errcnt != 0) - unlink(objfname); - } - - if (list_flag) { - if (verb_flag) printf("[Wrapping-up listing file]\n"); - listing = 1; - symtable(); - close(list_fd); - } - - if (err_flag) - close(err_fd); - - DEBUG dump_everything(); - - return(errcnt); -} + break; + case 'x': // Turn on debugging + case 'X': + debug = 1; + printf("~ Debugging ON\n"); + break; + case 'y': // -y + case 'Y': + pagelen = atoi(argv[argno] + 2); + if (pagelen < 10) + { + printf("-y: bad page length\n"); + errcnt++; + return errcnt; + } -#if 0 -// -// Interactive Mode -// -void interactive(void) -{ - char * s; // String pointer for banner - char ln[LNSIZ]; // Input line - char * argv[MAXARGV]; // Argument values - int argcnt; // Argument count - - // As there is no command line, print a copyright message and prompt for command line - s = "*****************************************************\n"; - printf("\n%s* RMAC - Reboot's Macro Assembler for Atari Jaguar *\n", s); - printf("* Copyright (C) 199x Landon Dyer, 2011 Reboot *\n"); - printf("* Version %01i.%01i.%01i Platform: %-9s *\n",MAJOR,MINOR,PATCH,PLATFORM); - printf("* ------------------------------------------------- *\n"); - printf("* INTERACTIVE MODE (press ENTER by itself to quit) *\n%s\n", s); - - perm_verb_flag = 1; // Enter permanent verbose mode - - // Handle commandlines until EOF or we get an empty one - for(;;) + break; + case EOS: // Input is stdin + ProcessFile(0, NULL); + break; + case 'h': // Display command line usage + case 'H': + case '?': + DisplayVersion(); + DisplayHelp(); + errcnt++; + break; + case 'n': // Turn off legacy mode + case 'N': + legacy_flag = 0; + printf("Legacy mode OFF\n"); + break; + default: + DisplayVersion(); + printf("Unknown switch: %s\n\n", argv[argno]); + DisplayHelp(); + errcnt++; + break; + } + } + else if (*argv[argno] == '+' || *argv[argno] == '~') + { + if (ParseOptimization(argv[argno]) != OK) + { + DisplayVersion(); + printf("Unknown switch: %s\n\n", argv[argno]); + DisplayHelp(); + errcnt++; + break; + } + } + else + { + strcpy(fnbuf, argv[argno]); + fext(fnbuf, ".s", 0); + fd = open(fnbuf, 0); + + if (fd < 0) + { + printf("Cannot open: %s\n", fnbuf); + errcnt++; + continue; + } + + ProcessFile(fd, fnbuf); + } + } + + // Wind-up processing; + // o save current section (no more code generation) + // o do auto-even of all sections (or boundary alignment as requested + // through '-r') + // o save the last pc value for 6502 (if we used 6502 at all) and + // detemine if the last section contains anything + // o determine name of object file: + // - "foo.o" for linkable output; + // - "foo.prg" for GEMDOS executable (-p flag). + SaveSection(); + int temp_section = cursect; + + for(i=TEXT; i<=BSS; i<<=1) { - loop: - printf("* "); - fflush(stdout); // Make prompt visible + SwitchSection(i); + + switch(segpadsize) + { + case 2: d_even(); break; + case 4: d_long(); break; + case 8: d_phrase(); break; + case 16: d_dphrase(); break; + case 32: d_qphrase(); break; + } + + SaveSection(); + } + + SwitchSection(M6502); -// if (gets(ln) == NULL || !*ln) // Get input line - if (fgets(ln, LNSIZ, stdin) == NULL || !*ln) // Get input line - break; + if (sloc != currentorg[0]) + { + currentorg[1] = sloc; + currentorg += 2; + } - argcnt = 0; // Process input line - s = ln; + // This looks like an awful kludge... !!! FIX !!! + if (temp_section & (M56001P | M56001X | M56001Y)) + { + SwitchSection(temp_section); - while (*s) + if (chptr != dsp_currentorg->start) { - if (isspace(*s)) - { // Skip whitespace - ++s; - } - else - { - if (argcnt >= MAXARGV) - { - printf("Too many arguments\n"); - goto loop; - } + dsp_currentorg->end = chptr; + dsp_currentorg++; + } + } + + SwitchSection(TEXT); + + if (objfname == NULL) + { + if (firstfname == NULL) + firstfname = defname; + + // It's the size of fnbuf minus 5 because of the possible 4 char suffix + // + trailing null (added by fext()). + strncpy(fnbuf, firstfname, sizeof(fnbuf) - 5); + fext(fnbuf, (prg_flag ? ".prg" : ".o"), 1); + objfname = fnbuf; + } - argv[argcnt++] = s; + // With one pass finished, go back and: + // (1) run through all the fixups and resolve forward references; + // (1.5) ensure that remaining fixups can be handled by the linker + // (`lo68' format, extended (postfix) format....) + // (2) generate the output file image and symbol table; + // (3) generate relocation information from left-over fixups. + ResolveAllFixups(); // Do all fixups + StopMark(); // Stop mark tape-recorder - while (*s && !isspace(*s)) - ++s; + if (errcnt == 0) + { + if ((fd = open(objfname, _OPEN_FLAGS, _PERM_MODE)) < 0) + CantCreateFile(objfname); - if (isspace(*s)) - *s++ = EOS; - } + if (verb_flag) + { + s = (prg_flag ? "executable" : "object"); + printf("[Writing %s file: %s]\n", s, objfname); } - if (argcnt == 0) // Exit if no arguments - break; + WriteObject(fd); + close(fd); + + if (errcnt != 0) + unlink(objfname); + } - process(argcnt, argv); // Process arguments + if (list_flag) + { + if (verb_flag) + printf("[Wrapping-up listing file]\n"); - if (errcnt) - printf("%d assembly error%s\n", errcnt, (errcnt > 1) ? "s" : ""); + listing = 1; + symtable(); + close(list_fd); } -} -#endif + if (err_flag) + close(err_fd); + + DEBUG dump_everything(); + + return errcnt; +} // -// Determine Processor Endianess +// Determine processor endianess // -int get_endianess(void) +int GetEndianess(void) { int i = 1; char * p = (char *)&i; @@ -818,37 +824,24 @@ int get_endianess(void) return 1; } - // -// Application Entry Point; Handle the Command Line +// Application entry point // int main(int argc, char ** argv) { - int status; // Status flag - int i; - - perm_verb_flag = 0; // Clobber "permanent" verbose flag - cmdlnexec = argv[0]; // Obtain executable name + perm_verb_flag = 0; // Clobber "permanent" verbose flag + legacy_flag = 1; // Default is legacy mode on (:-P) + optim_flags[OPT_56K_SHORT] = 1; // This ensures compatibilty with Motorola's 56k assembler - endian = get_endianess(); // Get processor endianess - - for(i=0; i 1) - { // Full command line passed - status = process(argc - 1, argv + 1); - } - // Interactive mode - else - { -// Sorry Landon, this is the year 20xx and we haz plenty of resources now ;-) -// status = 0; -// interactive(); - // Instead, we show a nice banner and switches :-) - display_version(); - display_help(); - } + return Process(argc - 1, argv + 1); + + DisplayVersion(); + DisplayHelp(); - return status; + return 0; }