#include "symbol.h"
#include "object.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; // 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.
+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
+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
static int thresh; // THRESHold in chars
static int mthresh; // MTHRESHold in chars
+
+//
// 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
// 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).
-
-static int qst(char *base, char *max) {
- char c, *i, *j, *jj;
+//
+static int qst(char * base, char * max)
+{
+ char c, * i, * j, * jj;
int ii;
- char *mid, *tmp;
+ char * mid, * tmp;
long lo, hi;
/*
return(0);
}
+
/*
* 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)()) {
- register char c, *i, *j, *lo, *hi;
- char *min, *max;
+int rmac_qsort(char * base, int n, int size, int (*compar)())
+{
+ register char c, * i, * j, * lo, * hi;
+ char * min, * max;
if (n <= 1)
return(0);
+
qsz = size;
qcmp = compar;
thresh = qsz * THRESH;
mthresh = qsz * MTHRESH;
max = base + n * qsz;
- if (n >= THRESH) {
+
+ if (n >= THRESH)
+ {
qst(base, max);
hi = base + thresh;
- } else {
+ }
+ else
+ {
hi = max;
}
+
/*
* First put smallest element, which must be in the first THRESH, in
* the first position as a sentinel. This is done just by searching
for (j = lo = base; (lo += qsz) < hi; )
if (qcmp(j, lo) > 0)
j = lo;
- if (j != base) {
+
+ if (j != base)
+ {
/* swap j into place */
- for (i = base, hi = base + qsz; i < hi; ) {
+ for (i = base, hi = base + qsz; i < hi; )
+ {
c = *j;
*j++ = *i;
*i++ = c;
return(0);
}
+
//
-// --- Allocate memory; Panic and Quit if we Run Out -----------------------------------------------
+// Allocate memory; Panic and Quit if we Run Out
//
-
char * amem(LONG amount)
{
char * p;
return p;
}
+
//
-// --- Copy stuff around, return pointer to dest+count+1 (doesn't handle overlap) ------------------
+// Copy stuff around, return pointer to dest+count+1 (doesn't handle overlap)
//
-
char * copy(char * dest, char * src, LONG count)
{
- while (count--)
- *dest++ = *src++;
+ while (count--)
+ *dest++ = *src++;
- return dest;
+ return dest;
}
+
//
-// --- Clear a region of memory --------------------------------------------------------------------
+// Clear a region of memory
//
-
-void clear(char *dest, LONG count)
+void clear(char * dest, LONG count)
{
while(count--)
*dest++ = 0;
}
+
//
-// --- Check to see if the string is a keyword. Returns -1, or a value from the 'accept[]' table ---
+// Check to see if the string is a keyword. Returns -1, or a value from the
+// 'accept[]' table
//
-
int kmatch(char * p, int * base, int * check, int * tab, int * accept)
{
int state;
return state;
}
+
//
-// --- Auto-even a section -------------------------------------------------------------------------
+// Auto-even a section
//
-
void autoeven(int sect)
{
switchsect(sect);
savsect();
}
+
//
-// -------------------------------------------------------------------------------------------------
// 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)
+{
+ char * s, * beg; // String pointers
-char *fext(char *name, char *extension, int stripp) {
- char *s, *beg; // String pointers
+ // Find beginning of "real" name
+ beg = name + strlen(name) - 1;
- // Find beginning of "real" name
- beg = name + strlen(name) - 1;
- for(; beg > name; --beg) {
- if(*beg == SLASHCHAR) {
- ++beg;
- break;
- }
- }
+ for(; beg>name; --beg)
+ {
+ if (*beg == SLASHCHAR)
+ {
+ ++beg;
+ break;
+ }
+ }
- if(stripp) { // Clobber any old extension
- for(s = beg; *s && *s != '.'; ++s)
- ;
- *s = '\0';
- }
+ if (stripp)
+ { // Clobber any old extension
+ for(s=beg; *s && *s!='.'; ++s)
+ ;
- for(s = beg; *s != '.'; ++s) {
- if(!*s) { // Append the new extension
- strcat(beg, extension);
- break;
- }
- }
+ *s = '\0';
+ }
+
+ for(s=beg; *s!='.'; ++s)
+ {
+ if (!*s)
+ { // Append the new extension
+ strcat(beg, extension);
+ break;
+ }
+ }
- return(name);
+ return name;
}
+
//
-// -------------------------------------------------------------------------------------------------
-// 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.
+// 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)
{
char * s = searchpath;
return 1;
}
+
//
-// --- Display Command Line Help -----------------------------------------------
+// Display Command Line Help
//
-
void display_help(void)
{
printf("Usage:\n");
printf("\n");
}
+
//
-// --- Display Version Information ---------------------------------------------
+// Display Version Information
//
-
void display_version(void)
{
printf("\nReboot's Macro Assembler for Atari Jaguar\n");
printf("V%01i.%01i.%01i %s (%s)\n\n", MAJOR, MINOR, PATCH, __DATE__, PLATFORM);
}
+
//
-// --- Process Command Line Arguments and do an Assembly -------------------------------------------
+// Process Command Line Arguments and do an Assembly
//
-
-int process(int argc, char **argv) {
+int process(int argc, char ** argv)
+{
int argno; // Argument number
- SYM *sy; // Pointer to a symbol record
- char *s; // String pointer
+ SYM * sy; // Pointer to a symbol record
+ char * s; // String pointer
int fd; // File descriptor
char fnbuf[FNSIZ]; // Filename buffer
int i; // Iterator
// Process command line arguments and assemble source files
for(argno = 0; argno < argc; ++argno) {
- if(*argv[argno] == '-') {
+ if (*argv[argno] == '-') {
switch(argv[argno][1]) {
case 'd': // Define symbol
case 'D':
for(s = argv[argno] + 2; *s != EOS;) {
- if(*s++ == '=') {
+ if (*s++ == '=') {
s[-1] = EOS;
break;
}
}
- if(argv[argno][2] == EOS) {
+ if (argv[argno][2] == EOS) {
printf("-d: empty symbol\n");
++errcnt;
return(errcnt);
}
sy = lookup(argv[argno] + 2, 0, 0);
- if(sy == NULL) {
+ if (sy == NULL) {
sy = newsym(argv[argno] + 2, LABEL, 0);
sy->svalue = 0;
}
sy->sattr = DEFINED | EQUATED | ABS;
- if(*s)
+ if (*s)
sy->svalue = (VALUE)atoi(s);
else
sy->svalue = 0;
break;
case 'o': // Direct object file output
case 'O':
- if(argv[argno][2] != EOS) objfname = argv[argno] + 2;
+ if (argv[argno][2] != EOS) objfname = argv[argno] + 2;
else {
- if(++argno >= argc) {
+ if (++argno >= argc) {
printf("Missing argument to -o");
++errcnt;
return(errcnt);
case 'v': // Verbose flag
case 'V':
verb_flag++;
- if(verb_flag > 1) display_version();
+ if (verb_flag > 1) display_version();
break;
case 'x': // Turn on debugging
case 'X':
case 'y': // -y<pagelen>
case 'Y':
pagelen = atoi(argv[argno] + 2);
- if(pagelen < 10) {
+ if (pagelen < 10) {
printf("-y: bad page length\n");
++errcnt;
return(errcnt);
}
break;
case EOS: // Input is stdin
- if(firstfname == NULL) // Kludge first filename
+ if (firstfname == NULL) // Kludge first filename
firstfname = defname;
include(0, "(stdin)");
assemble();
}
} else {
// Record first filename.
- if(firstfname == NULL)
+ if (firstfname == NULL)
firstfname = argv[argno];
strcpy(fnbuf, argv[argno]);
fext(fnbuf, ".s", 0);
fd = open(fnbuf, 0);
- if(fd < 0) {
+ if (fd < 0) {
printf("Cannot open: %s\n", fnbuf);
++errcnt;
continue;
savsect();
}
- if(objfname == NULL) {
- if(firstfname == NULL)
+ if (objfname == NULL) {
+ if (firstfname == NULL)
firstfname = defname;
strcpy(fnbuf, firstfname);
//fext(fnbuf, prg_flag ? ".prg" : ".o", 1);
// (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)
+ if (errcnt == 0) {
+ if ((fd = open(objfname, _OPEN_FLAGS, _PERM_MODE)) < 0)
cantcreat(objfname);
- if(verb_flag) {
+ if (verb_flag) {
s = "object";
printf("[Writing %s file: %s]\n", s, objfname);
}
object((WORD)fd);
close(fd);
- if(errcnt != 0)
+ if (errcnt != 0)
unlink(objfname);
}
- if(list_flag) {
- if(verb_flag) printf("[Wrapping-up listing file]\n");
+ if (list_flag) {
+ if (verb_flag) printf("[Wrapping-up listing file]\n");
listing = 1;
symtable();
close(list_fd);
}
- if(err_flag)
+ if (err_flag)
close(err_fd);
DEBUG dump_everything();
return(errcnt);
}
+
+#if 0
//
-// --- Interactive Mode ----------------------------------------------------------------------------
+// Interactive Mode
//
-
void interactive(void)
{
char * s; // String pointer for banner
printf("%d assembly error%s\n", errcnt, (errcnt > 1) ? "s" : "");
}
}
+#endif
+
//
-// --- Determine Processor Endianess ---------------------------------------------------------------
+// Determine Processor Endianess
//
-
int get_endianess(void)
{
int i = 1;
return 1;
}
+
//
-// --- Application Entry Point; Handle the Command Line --------------------------------------------
+// Application Entry Point; Handle the Command Line
//
-
int main(int argc, char ** argv)
{
int status; // Status flag
{ // Full command line passed
status = process(argc - 1, argv + 1);
}
+ // Interactive mode
else
- { // Interactive mode
- status = 0;
- interactive();
+ {
+// 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 status;
projects / rmac / blobdiff