//
// RMAC - Reboot's Macro Assembler for all Atari computers
// DIRECT.C - Directive Handling
-// Copyright (C) 199x Landon Dyer, 2011-2017 Reboot and Friends
+// Copyright (C) 199x Landon Dyer, 2011-2018 Reboot and Friends
// RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
// Source utilised with the kind permission of Landon Dyer
//
#include "amode.h"
#include "error.h"
#include "expr.h"
+#include "fltpoint.h"
#include "listing.h"
#include "mach.h"
#include "macro.h"
#include "sect.h"
#include "symbol.h"
#include "token.h"
-#include "math.h"
-#include "sect.h"
#define DEF_KW
#include "kwtab.h"
-// N.B.: It's perfectly fine to keep exprbuf as an array of TOKENS and to cast
-// to a TOKENPTR where needed. But this works too. :-P
-TOKEN _exprbuf[128]; // Expression buffer
-TOKENPTR exprbuf = (TOKENPTR)_exprbuf; // Expression buffer point
+
+TOKEN exprbuf[128]; // Expression buffer
SYM * symbolPtr[1000000]; // Symbol pointers table
static long unused; // For supressing 'write' warnings
char buffer[256]; // Scratch buffer for messages
// Function prototypes
int d_unimpl(void);
int d_68000(void);
-int d_68000(void);
int d_68020(void);
int d_68030(void);
int d_68040(void);
int d_prgflags(void);
int d_opt(void);
int d_dsp(void);
+int d_objproc(void);
void SetLargestAlignment(int);
// Directive handler table
d_68882, // 63 .68882
d_56001, // 64 .56001
d_nofpu, // 65 nofpu
- d_opt, // 58 .opt
+ d_opt, // 66 .opt
+ d_objproc, // 67 .objproc
};
//
int d_error(char *str)
{
- if (*tok.u32 == EOL)
+ if (*tok == EOL)
return error("error directive encountered - aborting assembling");
else
{
- switch(*tok.u32)
+ switch(*tok)
{
case STRING:
- return error(string[tok.u32[1]]);
+ return error(string[tok[1]]);
break;
default:
return error("error directive encountered--aborting assembly");
//
int d_warn(char *str)
{
- if (*tok.u32 == EOL)
+ if (*tok == EOL)
return warn("WARNING WARNING WARNING");
else
{
- switch(*tok.u32)
+ switch(*tok)
{
case STRING:
- return warn(string[tok.u32[1]]);
+ return warn(string[tok[1]]);
break;
default:
return warn("WARNING WARNING WARNING");
{
uint64_t address;
- if (!rgpu && !rdsp && !m6502)
- return error(".org permitted only in gpu/dsp and 6502 sections");
+ if (!rgpu && !rdsp && !robjproc && !m6502)
+ return error(".org permitted only in GPU/DSP/OP and 6502 sections");
if (abs_expr(&address) == ERROR)
{
return ERROR;
}
- if (rgpu | rdsp)
+ if (rgpu | rdsp | robjproc)
{
orgaddr = address;
orgactive = 1;
SYM * esym; // External symbol involved in expr.
TOKEN r_expr[EXPRSIZE];
- while (*tok.u32 != EOL)
+ while (*tok != EOL)
{
- switch(*tok.u32)
+ switch(*tok)
{
case STRING:
- sprintf(prntstr, "%s", string[tok.u32[1]]);
+ sprintf(prntstr, "%s", string[tok[1]]);
printf("%s", prntstr);
if (list_fd)
unused = write(list_fd, prntstr, (LONG)strlen(prntstr));
- tok.u32 += 2;
+ tok += 2;
break;
case '/':
formatting = 1;
- if (tok.u32[1] != SYMBOL)
+ if (tok[1] != SYMBOL)
goto token_err;
-// strcpy(prntstr, (char *)tok.u32[2]);
- strcpy(prntstr, string[tok.u32[2]]);
+// strcpy(prntstr, (char *)tok[2]);
+ strcpy(prntstr, string[tok[2]]);
switch(prntstr[0])
{
return ERROR;
}
- tok.u32 += 3;
+ tok += 3;
break;
case ',':
- tok.u32++;
+ tok++;
break;
default:
- if (expr((TOKENPTR)r_expr, &eval, &eattr, &esym) != OK)
+ if (expr(r_expr, &eval, &eattr, &esym) != OK)
goto token_err;
else
{
return ERROR;
}
- if (*tok.u32 != SYMBOL)
+ if (*tok != SYMBOL)
{
error("syntax error; expected symbol");
return ERROR;
}
- ccname = lookup(string[tok.u32[1]], LABEL, 0);
+ ccname = lookup(string[tok[1]], LABEL, 0);
// Make sure symbol is a valid ccdef
if (!ccname || !(ccname->sattre & EQUATEDCC))
if (!rgpu && !rdsp)
return error(".equrundef/.regundef must be defined in .gpu/.dsp section");
- while (*tok.u32 != EOL)
+ while (*tok != EOL)
{
// Skip preceeding or seperating commas (if any)
- if (*tok.u32 == ',')
- tok.u32++;
+ if (*tok == ',')
+ tok++;
// Check we are dealing with a symbol
- if (*tok.u32 != SYMBOL)
+ if (*tok != SYMBOL)
return error("syntax error; expected symbol");
// Lookup and undef if equated register
- regname = lookup(string[tok.u32[1]], LABEL, 0);
+ regname = lookup(string[tok[1]], LABEL, 0);
if (regname && (regname->sattre & EQUATEDREG))
{
}
// Skip over symbol token and address
- tok.u32 += 2;
+ tok += 2;
}
return 0;
// Check to see if we're in BSS, and, if so, throw an error
if (scattr & SBSS)
{
- error("cannot include binary file \"%s\" in BSS section", string[tok.u32[1]]);
+ error("cannot include binary file \"%s\" in BSS section", string[tok[1]]);
return ERROR;
}
- if (*tok.u32 != STRING)
+ if (*tok != STRING)
{
error("syntax error; string missing");
return ERROR;
// Attempt to open the include file in the current directory, then (if that
// failed) try list of include files passed in the enviroment string or by
// the "-d" option.
- if ((fd = open(string[tok.u32[1]], _OPEN_INC)) < 0)
+ if ((fd = open(string[tok[1]], _OPEN_INC)) < 0)
{
for(i=0; nthpath("RMACPATH", i, buf1)!=0; i++)
{
if (fd > 0 && buf1[fd - 1] != SLASHCHAR)
strcat(buf1, SLASHSTRING);
- strcat(buf1, string[tok.u32[1]]);
+ strcat(buf1, string[tok[1]]);
if ((fd = open(buf1, _OPEN_INC)) >= 0)
goto allright;
}
- return error("cannot open: \"%s\"", string[tok.u32[1]]);
+ return error("cannot open: \"%s\"", string[tok[1]]);
}
allright:
pos = lseek(fd, 0L, SEEK_SET);
chcheck(size);
- DEBUG { printf("INCBIN: File '%s' is %li bytes.\n", string[tok.u32[1]], size); }
+ DEBUG { printf("INCBIN: File '%s' is %li bytes.\n", string[tok[1]], size); }
char * fileBuffer = (char *)malloc(size);
bytesRead = read(fd, fileBuffer, size);
if (bytesRead != size)
{
- error("was only able to read %li bytes from binary file (%s, %li bytes)", bytesRead, string[tok.u32[1]], size);
+ error("was only able to read %li bytes from binary file (%s, %li bytes)", bytesRead, string[tok[1]], size);
return ERROR;
}
for(;;)
{
- if (*tok.u32 != SYMBOL)
+ if (*tok != SYMBOL)
return error(em);
- if ((*func)(string[tok.u32[1]]) != OK)
+ if ((*func)(string[tok[1]]) != OK)
break;
- tok.u32 += 2;
+ tok += 2;
- if (*tok.u32 == EOL)
+ if (*tok == EOL)
break;
- if (*tok.u32 != ',')
+ if (*tok != ',')
return error(em);
- tok.u32++;
+ tok++;
}
return 0;
char buf[128];
char buf1[128];
- if (*tok.u32 == STRING) // Leave strings ALONE
- fn = string[*++tok.u32];
- else if (*tok.u32 == SYMBOL) // Try to append ".s" to symbols
+ if (*tok == STRING) // Leave strings ALONE
+ fn = string[*++tok];
+ else if (*tok == SYMBOL) // Try to append ".s" to symbols
{
- strcpy(buf, string[*++tok.u32]);
+ strcpy(buf, string[*++tok]);
fext(buf, ".s", 0);
fn = &buf[0];
}
// Make sure the user didn't try anything like:
// .include equates.s
- if (*++tok.u32 != EOL)
+ if (*++tok != EOL)
return error("extra stuff after filename--enclose it in quotes");
// Attempt to open the include file in the current directory, then (if that
WORD eattr;
uint64_t eval;
- for(; expr(exprbuf, &eval, &eattr, NULL)==OK; ++tok.u32)
+ for(; expr(exprbuf, &eval, &eattr, NULL)==OK; ++tok)
{
if (!(eattr & DEFINED))
return error("forward or undefined .assert");
if (!eval)
return error("assert failure");
- if (*tok.u32 != ',')
+ if (*tok != ',')
break;
}
{
uint64_t eval;
- if (*tok.u32 == EOL)
+ if (*tok == EOL)
return error("PRGFLAGS requires value");
else if (abs_expr(&eval) == OK)
{
SaveSection();
- if (*tok.u32 == EOL)
+ if (*tok == EOL)
eval = 0;
else if (abs_expr(&eval) != OK)
return 0;
}
else
{
- dep_block(eval, siz, 0, (WORD)(DEFINED | ABS), (TOKENPTR){NULL});
+ dep_block(eval, siz, 0, (WORD)(DEFINED | ABS), NULL);
}
at_eol();
|| (rdsp && (orgaddr >= 0xF1B000) && (orgaddr <= 0xF1CFFFF))))
warn("depositing LONGs on a non-long address in local RAM");
- for(;; tok.u32++)
+ for(;; tok++)
{
// dc.b 'string' [,] ...
- if (siz == SIZB && (*tok.u32 == STRING || *tok.u32 == STRINGA8) && (tok.u32[2] == ',' || tok.u32[2] == EOL))
+ if (siz == SIZB && (*tok == STRING || *tok == STRINGA8) && (tok[2] == ',' || tok[2] == EOL))
{
- uint32_t i = strlen(string[tok.u32[1]]);
+ uint32_t i = strlen(string[tok[1]]);
if ((challoc - ch_size) < i)
chcheck(i);
- if (*tok.u32 == STRING)
+ if (*tok == STRING)
{
- for(p=string[tok.u32[1]]; *p!=EOS; p++)
+ for(p=string[tok[1]]; *p!=EOS; p++)
D_byte(*p);
}
- else if(*tok.u32 == STRINGA8)
+ else if(*tok == STRINGA8)
{
- for(p=string[tok.u32[1]]; *p!=EOS; p++)
+ for(p=string[tok[1]]; *p!=EOS; p++)
D_byte(strtoa8[*p]);
}
else
error("String format not supported... yet");
}
- tok.u32 += 2;
+ tok += 2;
goto comma;
}
int movei = 0; // MOVEI flag for dc.i
- if (*tok.u32 == DOTI)
+ if (*tok == DOTI)
{
movei = 1;
- tok.u32++;
+ tok++;
siz = SIZL;
}
uint16_t tdb = eattr & TDB;
uint16_t defined = eattr & DEFINED;
- if ((challoc - ch_size) < 4)
- chcheck(4);
-
switch (siz)
{
case SIZB:
D_long(eval);
}
+
break;
case SIZQ:
// 64-bit size
// Shamus: We only handle DC.Q type stuff, will have to add fixups
// and stuff later (maybe... might not be needed...)
- D_quad(eval);
+ // DEFINITELY NEED FIXUPS HERE!
+ if (!defined)
+ {
+ AddFixup(FU_QUAD, sloc, exprbuf);
+ D_quad(0LL);
+ }
+ else
+ {
+ D_quad(eval);
+ }
+
break;
case SIZS:
+ // 32-bit float size
if (m6502)
return error(in_6502mode);
if (!defined)
{
- float vv = 0;
AddFixup(FU_FLOATSING, sloc, exprbuf);
-
- D_single(vv);
+ D_long(0);
}
else
{
- if (tdb)
- MarkRelocatable(cursect, sloc, tdb, MSINGLE, NULL);
-
- D_single(eval);
+//Would this *ever* happen?
+// if (tdb)
+// MarkRelocatable(cursect, sloc, tdb, MSINGLE, NULL);
+
+ PTR ptr;
+ ptr.u64 = &eval;
+ uint32_t ieee754 = FloatToIEEE754((float)*ptr.dp);
+ D_long(ieee754);
}
break;
case SIZD:
+ // 64-bit double size
if (m6502)
return error(in_6502mode);
if (!defined)
{
- double vv = 0;
AddFixup(FU_FLOATDOUB, sloc, exprbuf);
-
- D_double(vv);
+ D_quad(0LL);
}
else
{
- if (tdb)
- MarkRelocatable(cursect, sloc, tdb, MDOUBLE, NULL);
-
- double vv = *(double *)&eval;
- D_double(vv);
+//Would this *ever* happen?
+// if (tdb)
+// MarkRelocatable(cursect, sloc, tdb, MDOUBLE, NULL);
+
+ PTR ptr;
+ ptr.u64 = &eval;
+ uint64_t ieee754 = DoubleToIEEE754(*ptr.dp);
+ D_quad(ieee754);
}
break;
if (m6502)
return error(in_6502mode);
+ uint8_t extDbl[12];
+ memset(extDbl, 0, 12);
+
if (!defined)
{
- double vv = 0;
AddFixup(FU_FLOATEXT, sloc, exprbuf);
-
- D_extend(vv);
+ D_extend(extDbl);
}
else
{
- if (tdb)
- MarkRelocatable(cursect, sloc, tdb, MEXTEND, NULL);
-
- float vv = *(double *)&eval;
- D_extend(vv);
+//Would this *ever* happen?
+// if (tdb)
+// MarkRelocatable(cursect, sloc, tdb, MEXTEND, NULL);
+
+ PTR ptr;
+ ptr.u64 = &eval;
+ DoubleToExtended(*ptr.dp, extDbl);
+ D_extend(extDbl);
}
break;
}
comma:
- if (*tok.u32 != ',')
+ if (*tok != ',')
break;
}
if (abs_expr(&evalc) != OK)
return 0;
- if (*tok.u32++ != ',')
+ if (*tok++ != ',')
return error("missing comma");
if (expr(exprbuf, &eval, &eattr, NULL) < 0)
for(;;)
{
// Get repeat count (defaults to 1)
- if (*tok.u32 == '#')
+ if (*tok == '#')
{
- tok.u32++;
+ tok++;
if (abs_expr(&count) != OK)
return 0;
- if (*tok.u32++ != ',')
+ if (*tok++ != ',')
return error(comma_error);
}
else
if (expr(exprbuf, &eval, &eattr, NULL) < 0)
return 0;
- switch (*tok.u32++)
+ switch (*tok++)
{ // Determine size of object to deposit
case DOTB: siz = SIZB; break;
case DOTW: siz = SIZB; break;
case DOTL: siz = SIZL; break;
default:
siz = def_siz;
- tok.u32--;
+ tok--;
break;
}
dep_block((uint32_t)count, siz, (uint32_t)eval, eattr, exprbuf);
- switch (*tok.u32)
+ switch (*tok)
{
case EOL:
return 0;
case ',':
- tok.u32++;
+ tok++;
continue;
default:
return error(comma_error);
//
// Deposit 'count' values of size 'siz' in the current (non-BSS) segment
//
-int dep_block(uint32_t count, WORD siz, uint32_t eval, WORD eattr, TOKENPTR exprbuf)
+int dep_block(uint32_t count, WORD siz, uint32_t eval, WORD eattr, TOKEN * exprbuf)
{
WORD tdb;
WORD defined;
if (m6502)
return error(in_6502mode);
- if (*tok.u32 != SYMBOL)
+ if (*tok != SYMBOL)
return error("missing symbol");
- p = string[tok.u32[1]];
- tok.u32 += 2;
+ p = string[tok[1]];
+ tok += 2;
- if (*p == '.') // Cannot .comm a local symbol
+ if (*p == '.') // Cannot .comm a local symbol
return error(locgl_error);
if ((sym = lookup(p, LABEL, 0)) == NULL)
sym->sattr = GLOBAL | COMMON | BSS;
- if (*tok.u32++ != ',')
+ if (*tok++ != ',')
return error(comma_error);
- if (abs_expr(&eval) != OK) // Parse size of common region
+ if (abs_expr(&eval) != OK) // Parse size of common region
return 0;
- sym->svalue = (uint32_t)eval; // Install common symbol's size
+ sym->svalue = eval; // Install common symbol's size
at_eol();
return 0;
}
//
int d_68000(void)
{
- rgpu = rdsp = 0;
+ rgpu = rdsp = robjproc = 0;
// Switching from gpu/dsp sections should reset any ORG'd Address
orgactive = 0;
orgwarning = 0;
{
d_68000();
activecpu = CPU_68060;
- activefpu = FPU_68040;
+ activefpu = FPU_68060;
return 0;
}
//
-// .68881 - Back to 68000 TEXT segment and select 68881 FPU
+// .68881 - Back to 680x0 TEXT segment and select 68881 FPU
//
int d_68881(void)
{
- d_68000();
+ //d_68000();
activefpu = FPU_68881;
return 0;
}
//
-// .68882 - Back to 68000 TEXT segment and select 68882 FPU
+// .68882 - Back to 680x0 TEXT segment and select 68882 FPU
//
int d_68882(void)
{
- d_68000();
- activefpu = FPU_68881;
+ //d_68000();
+ activefpu = FPU_68882;
return 0;
}
rgpu = 1; // Set GPU assembly
rdsp = 0; // Unset DSP assembly
+ robjproc = 0; // Unset OP assembly
regbank = BANK_N; // Set no default register bank
return 0;
}
rdsp = 1; // Set DSP assembly
rgpu = 0; // Unset GPU assembly
+ robjproc = 0; // Unset OP assembly
regbank = BANK_N; // Set no default register bank
return 0;
}
if (rgpu || rdsp)
return error("directive forbidden in gpu/dsp mode");
- if (*tok.u32 == '#')
+ if (*tok == '#')
{
- tok.u32++;
+ tok++;
if (abs_expr(&eval) != OK)
return 0;
// Eat the comma, if it's there
- if (*tok.u32 == ',')
- tok.u32++;
+ if (*tok == ',')
+ tok++;
}
for(;;)
{
- if (*tok.u32 == SYMBOL)
+ if (*tok == SYMBOL)
{
- p = string[tok.u32[1]];
+ p = string[tok[1]];
// Set env to either local (dot prefixed) or global scope
env = (*p == '.' ? curenv : 0);
AddToSymbolDeclarationList(symbol);
symbol->sattr |= (ABS | DEFINED | EQUATED);
- symbol->svalue = (uint32_t)eval;
- tok.u32 += 2;
+ symbol->svalue = eval;
+ tok += 2;
// What this does is eat any dot suffixes attached to a symbol. If
// it's a .L, it adds 4 to eval; if it's .W or .B, it adds 2. If
// there is no dot suffix, it assumes a size of 2.
- switch ((int)*tok.u32)
+ switch ((int)*tok)
{
case DOTL:
eval += 2;
case DOTB:
case DOTW:
- tok.u32++;
+ tok++;
}
eval += 2;
}
- else if (*tok.u32 >= KW_D0 && *tok.u32 <= KW_A7)
+ else if (*tok >= KW_D0 && *tok <= KW_A7)
{
if (reglist(&rlist) < 0)
return 0;
}
else
{
- switch ((int)*tok.u32)
+ switch ((int)*tok)
{
case KW_USP:
case KW_SSP:
case KW_SR:
case KW_CCR:
eval += 2;
- tok.u32++;
+ tok++;
break;
case EOL:
return 0;
}
// Eat commas in between each argument, if they exist
- if (*tok.u32 == ',')
- tok.u32++;
+ if (*tok == ',')
+ tok++;
}
}
if (rgpu || rdsp)
return error("directive forbidden in gpu/dsp mode");
- if (*tok.u32 == '#')
+ if (*tok == '#')
{
- tok.u32++;
+ tok++;
if (abs_expr(&eval) != OK)
return 0;
// Eat the comma, if it's there
- if (*tok.u32 == ',')
- tok.u32++;
+ if (*tok == ',')
+ tok++;
}
for(;;)
{
- if (*tok.u32 == SYMBOL)
+ if (*tok == SYMBOL)
{
- symbolName = string[tok.u32[1]];
+ symbolName = string[tok[1]];
// Set env to either local (dot prefixed) or global scope
env = (symbolName[0] == '.' ? curenv : 0);
// Put symbol in "order of definition" list
AddToSymbolDeclarationList(symbol);
- tok.u32 += 2;
+ tok += 2;
// Adjust label start address if it's a word or a long, as a byte
// label might have left us on an odd address.
- switch ((int)*tok.u32)
+ switch ((int)*tok)
{
case DOTW:
case DOTL:
}
symbol->sattr |= (ABS | DEFINED | EQUATED);
- symbol->svalue = (uint32_t)eval;
+ symbol->svalue = eval;
// Check for dot suffixes and adjust space accordingly (longs and
// words on an odd boundary get bumped to the next word aligned
// address). If no suffix, then throw an error.
- switch ((int)*tok.u32)
+ switch ((int)*tok)
{
case DOTL:
eval += 4;
return error("Symbol missing dot suffix in .cstruct construct");
}
- tok.u32++;
+ tok++;
}
- else if (*tok.u32 >= KW_D0 && *tok.u32 <= KW_A7)
+ else if (*tok >= KW_D0 && *tok <= KW_A7)
{
if (reglist(&rlist) < 0)
return 0;
}
else
{
- switch ((int)*tok.u32)
+ switch ((int)*tok)
{
case KW_USP:
case KW_SSP:
case KW_SR:
case KW_CCR:
eval += 2;
- tok.u32++;
+ tok++;
break;
case EOL:
return 0;
}
// Eat commas in between each argument, if they exist
- if (*tok.u32 == ',')
- tok.u32++;
+ if (*tok == ',')
+ tok++;
}
}
+//
+// Define start of OP object list (allows the use of ORG)
+//
+int d_objproc(void)
+{
+ if ((cursect != TEXT) && (cursect != DATA))
+ {
+ error(".objproc can only be used in the TEXT or DATA segments");
+ return ERROR;
+ }
+
+ // If previous section was DSP or 68000 then we need to reset ORG'd
+ // Addresses
+ if (!robjproc)
+ {
+ orgactive = 0;
+ orgwarning = 0;
+ }
+
+ robjproc = 1; // Set OP assembly
+ rgpu = 0; // Unset GPU assembly
+ rdsp = 0; // Unset DSP assembly
+ return OK;
+}
+
+
//
// Undefine a macro - .undefmac macname [, macname...]
//
//
int d_opt(void)
{
- while (*tok.u32 != EOL)
+ while (*tok != EOL)
{
- if (*tok.u32 == STRING)
+ if (*tok == STRING)
{
- tok.u32++;
- char * tmpstr = string[*tok.u32++];
+ tok++;
+ char * tmpstr = string[*tok++];
if (ParseOptimization(tmpstr) != OK)
return error("unknown optimization flag '%s'", tmpstr);
projects / rmac / blobdiff