]> Shamusworld >> Repos - rmac/blobdiff - rmac.c
Add flag -px in alcyon mode which enables extended GST symbol table.
[rmac] / rmac.c
diff --git a/rmac.c b/rmac.c
index 3f5a9b59758f551d53a0be14bb7d77001091f510..57c3b376810851818a1b9d281a1fd7af70d469af 100644 (file)
--- a/rmac.c
+++ b/rmac.c
@@ -1,49 +1,58 @@
 //
-// RMAC - Reboot's Macro Assembler for the Atari Jaguar Console System
+// RMAC - Reboot's 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, 2011-2017 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 "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 "object.h"
+#include "procln.h"
 #include "riscasm.h"
-#include "direct.h"
-#include "version.h"
-#include "debug.h"
+#include "sect.h"
 #include "symbol.h"
-#include "object.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 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 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 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 err_fd;                                            // File to write error messages to
 int rgpu, rdsp;                                        // Assembling Jaguar GPU or DSP code
+int dsp56001;                                  // Assembling DSP 56001 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
+int activecpu = CPU_68000;             // Active 68k CPU (68000 by default)
+int activefpu = FPU_NONE;              // Active FPU (none by default)
 
 
 //
@@ -66,7 +75,7 @@ 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';
@@ -83,7 +92,7 @@ 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)
@@ -122,14 +131,46 @@ void DisplayHelp(void)
                "\n"
                "Options:\n"
                "  -? or -h          Display usage information\n"
-               "  -dsymbol[=value]  Define symbol\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 (use this for ST)\n"
                "                    b: BSD (use this for Jaguar)\n"
+               "                    e: ELF\n"
+               "                    x: com/exe/xex (Atari 800)\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\n"
+               "                    68020\n"
+               "                    68030\n"
+               "                    68040\n"
+               "                    68060\n"
+               "                    6502\n"
+               "                    tom\n"
+               "                    jerry\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 values and default settings:\n"
+               "                    o0: Absolute long adddresses to word        (on)\n"
+               "                    o1: move.l #x,dn/an to moveq                (on)\n"
+               "                    o2: Word branches to short                  (on)\n"
+               "                    o3: Outer displacement 0(an) to (an)        (off)\n"
+               "                    o4: lea size(An),An to addq #size,An        (off)\n"
+               "                    o5: Absolute long base displacement to word (off)\n"
+               "                    o6: Null branches to NOP                    (off)\n"
+               "                    o7: clr.l Dx to moveq #0,Dx                 (off)\n"
+               "                    o8: adda.w/l #x,Dy to addq.w/l #x,Dy        (off)\n"
+               "                    o9: adda.w/l #x,Dy to lea x(Dy),Dy          (off)\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)\n"
+               "  -ps               Create an ST .prg (with symbols)\n"
+               "  -px               Create an ST .prg (with exsymbols)\n"
+               "                    Forces -fa\n"
                "  -r[size]          Pad segments to boundary size specified\n"
                "                    w: word (2 bytes, default alignment)\n"
                "                    l: long (4 bytes)\n"
@@ -137,8 +178,10 @@ void DisplayHelp(void)
                "                    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"
                "\n", cmdlnexec);
 }
@@ -149,13 +192,56 @@ void DisplayHelp(void)
 //
 void DisplayVersion(void)
 {
-       printf("\nReboot's Macro Assembler for Atari Jaguar\n"
-               "Copyright (C) 199x Landon Dyer, 2011-2015 Reboot\n"
+       printf("\n"
+               " _ __ _ __ ___   __ _  ___ \n"
+               "| '__| '_ ` _ \\ / _` |/ __|\n"
+               "| |  | | | | | | (_| | (__ \n"
+               "|_|  |_| |_| |_|\\__,_|\\___|\n"
+               "\nReboot's Macro Assembler\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)
@@ -164,7 +250,7 @@ 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
@@ -190,6 +276,7 @@ int Process(int argc, char ** argv)
        orgactive = 0;                                  // Not in RISC org section
        orgwarning = 0;                                 // No ORG warning issued
        segpadsize = 2;                                 // Initialise segment padding size
+       m6502 = 0;                                              // 6502 mode off by default
 
        // Initialise modules
        InitSymbolTable();                              // Symbol table
@@ -200,9 +287,10 @@ int Process(int argc, char ** argv)
        InitMark();                                             // Mark tape-recorder
        InitMacro();                                    // Macro processor
        InitListing();                                  // Listing generator
+       Init6502();                                             // 6502 assembler
 
        // Process command line arguments and assemble source files
-       for(argno=0; argno<argc; ++argno)
+       for(argno=0; argno<argc; argno++)
        {
                if (*argv[argno] == '-')
                {
@@ -235,7 +323,7 @@ int Process(int argc, char ** argv)
                                }
 
                                sy->sattr = DEFINED | EQUATED | ABS;
-                               sy->svalue = (*s ? (VALUE)atoi(s) : 0);
+                               sy->svalue = (*s ? (uint32_t)atoi(s) : 0);
                                break;
                        case 'e':                               // Redirect error message output
                        case 'E':
@@ -246,10 +334,22 @@ int Process(int argc, char ** argv)
                                switch (argv[argno][2])
                                {
                                case EOS:
-                               case 'b':                       // -fb = BSD (Jaguar Recommended)
+                               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 'e':                       // -fe = ELF
+                               case 'E':
+                                       obj_format = ELF;
+                                       break;
+                               case 'x':                       // -fx = COM/EXE/XEX
+                               case 'X':
+                                       obj_format = XEX;
+                                       break;
                                default:
                                        printf("-f: unknown object format specified\n");
                                        errcnt++;
@@ -266,11 +366,51 @@ int Process(int argc, char ** argv)
                                break;
                        case 'l':                               // Produce listing file
                        case 'L':
-                               list_fname = argv[argno] + 2;
+                               if (*(argv[argno] + 2) == '*')
+                               {
+                                       list_fname = argv[argno] + 3;
+                                       list_pag = 0;    // Special case - turn off pagination
+                               }
+                               else
+                               {
+                                       list_fname = argv[argno] + 2;
+                               }
+
                                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)
@@ -283,15 +423,49 @@ int Process(int argc, char ** argv)
                                                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;
+                               }
+
+                               // 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 '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;
@@ -327,7 +501,7 @@ int Process(int argc, char ** argv)
                                if (pagelen < 10)
                                {
                                        printf("-y: bad page length\n");
-                                       ++errcnt;
+                                       errcnt++;
                                        return errcnt;
                                }
 
@@ -359,6 +533,17 @@ int Process(int argc, char ** argv)
                                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
                {
                        // Record first filename.
@@ -385,6 +570,8 @@ int Process(int argc, char ** argv)
        // 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).
@@ -406,14 +593,21 @@ int Process(int argc, char ** argv)
                SaveSection();
        }
 
+       SwitchSection(M6502);
+
+       if (sloc != currentorg[0])
+       {
+               currentorg[1] = sloc;
+               currentorg += 2;
+       }
+
        if (objfname == NULL)
        {
                if (firstfname == NULL)
                        firstfname = defname;
 
                strcpy(fnbuf, firstfname);
-               //fext(fnbuf, prg_flag ? ".prg" : ".o", 1);
-               fext(fnbuf, ".o", 1);
+               fext(fnbuf, (prg_flag ? ".prg" : ".o"), 1);
                objfname = fnbuf;
        }
 
@@ -433,7 +627,7 @@ int Process(int argc, char ** argv)
 
                if (verb_flag)
                {
-                       s = "object";
+                       s = (prg_flag ? "executable" : "object");
                        printf("[Writing %s file: %s]\n", s, objfname);
                }
 
@@ -485,13 +679,19 @@ int main(int argc, char ** argv)
 {
        perm_verb_flag = 0;                             // Clobber "permanent" verbose flag
        legacy_flag = 1;                                // Default is legacy mode on (:-P)
-       cmdlnexec = argv[0];                    // Obtain executable name
 
+       // Set legacy optimisation flags to on and everything else to off
+       memset(optim_flags, 0, OPT_COUNT * sizeof(int));
+       optim_flags[OPT_ABS_SHORT] =
+               optim_flags[OPT_MOVEL_MOVEQ] =
+               optim_flags[OPT_BSR_BCC_S] = 1;
+
+       cmdlnexec = argv[0];                    // Obtain executable name
        endian = GetEndianess();                // Get processor endianess
 
        // If commands were passed in, process them
        if (argc > 1)
-               return Process(argc - 1, argv + 1);              
+               return Process(argc - 1, argv + 1);
 
        DisplayVersion();
        DisplayHelp();