2 // RMAC - Reboot's Macro Assembler for all Atari computers
3 // RMAC.H - Main Application Code
4 // Copyright (C) 199x Landon Dyer, 2011-2017 Reboot and Friends
5 // RMAC derived from MADMAC v1.07 Written by Landon Dyer, 1986
6 // Source utilised with the kind permission of Landon Dyer
16 #include <sys/types.h>
20 // TARGET SPECIFIC BUILD SETTINGS
22 #if defined(WIN32) || defined (WIN64)
25 // Release platform - windows
26 #define PLATFORM "Win32"
27 #define _OPEN_FLAGS _O_TRUNC|_O_CREAT|_O_BINARY|_O_RDWR
28 #define _OPEN_INC _O_RDONLY|_O_BINARY
29 #define _PERM_MODE _S_IREAD|_S_IWRITE
32 #pragma warning(disable:4996)
35 // Makes warnings double clickable on visual studio (ggn)
36 #define STRINGIZE_HELPER(x) #x
37 #define STRINGIZE(x) STRINGIZE_HELPER(x)
38 #define WARNING(desc) __pragma(message(__FILE__ "(" STRINGIZE(__LINE__) ") : Warning: " #desc))
39 #define inline __inline
42 // WARNING(FIXME: Code removed because...)
45 // If we're not compiling for Visual Studio let's assume that we're using
46 // some flavour of gcc instead. So let's use the gcc compliant macro
47 // instead. If some weirdo uses something else (I dunno, Intel compiler or
48 // something?) this is probably going to explode spectacularly. Let's wait
50 #define DO_PRAGMA(x) _Pragma (#x)
51 #define WARNING(desc) DO_PRAGMA(message (#desc))
59 #include <sys/fcntl.h>
61 // Release platform - mac OS-X or Linux
62 #define PLATFORM "OSX/Linux"
63 #define _OPEN_FLAGS O_TRUNC|O_CREAT|O_RDWR
64 #define _OPEN_INC O_RDONLY
65 #define _PERM_MODE S_IRUSR|S_IWUSR
72 #define _OPEN_FLAGS _O_TRUNC|_O_CREAT|_O_BINARY|_O_RDWR
73 #define _OPEN_INC O_RDONLY|_O_BINARY
76 // WARNING WARNING WARNING
77 #define DO_PRAGMA(x) _Pragma (#x)
78 #define WARNING(desc) DO_PRAGMA(message (#desc))
80 // Release platform - not specified
81 #include <sys/fcntl.h>
82 #define PLATFORM "Unknown"
83 #define _OPEN_FLAGS O_TRUNC|O_CREAT|O_RDWR
84 #define _OPEN_INC O_RDONLY
85 #define _PERM_MODE S_IREAD|S_IWRITE
86 // Defined here, even though the platform may not support it...
87 #define DO_PRAGMA(x) _Pragma (#x)
88 #define WARNING(desc) DO_PRAGMA(message (#desc))
93 // Endian related, for safe handling of endian-sensitive data
94 // USAGE: GETBExx() is *always* an rvalue, a = pointer to a uint8_t,
95 // r = offset from 0. SETBExx(), v = value to write into 'a'
97 #define GETBE16(a, r) \
98 (((uint16_t)(a)[(r + 0)] << 8) | ((uint16_t)(a)[(r + 1)]))
100 #define GETBE32(a, r) \
101 (((uint32_t)(a)[(r + 0)] << 24) | ((uint32_t)(a)[(r + 1)] << 16) \
102 | ((uint32_t)(a)[(r + 2)] << 8) | ((uint32_t)(a)[(r + 3)]))
104 #define GETBE64(a, r) \
105 (((uint64_t)(a)[(r + 0)] << 56) | ((uint64_t)(a)[(r + 1)] << 48) \
106 | ((uint64_t)(a)[(r + 2)] << 40) | ((uint64_t)(a)[(r + 3)] << 32) \
107 | ((uint64_t)(a)[(r + 4)] << 24) | ((uint64_t)(a)[(r + 5)] << 16) \
108 | ((uint64_t)(a)[(r + 6)] << 8) | ((uint64_t)(a)[(r + 7)]))
110 #define SETBE16(a, r, v) \
111 { (a)[(r + 0)] = (uint8_t)((v) >> 8); \
112 (a)[(r + 1)] = (uint8_t)((v) & 0xFF); }
114 #define SETBE32(a, r, v) \
115 { (a)[(r + 0)] = (uint8_t)((v) >> 24); \
116 (a)[(r + 1)] = (uint8_t)(((v) >> 16) & 0xFF); \
117 (a)[(r + 2)] = (uint8_t)(((v) >> 8) & 0xFF); \
118 (a)[(r + 3)] = (uint8_t)((v) & 0xFF); }
120 #define SETBE64(a, r, v) \
121 { (a)[(r + 0)] = (uint8_t)((v) >> 56); \
122 (a)[(r + 1)] = (uint8_t)(((v) >> 48) & 0xFF); \
123 (a)[(r + 2)] = (uint8_t)(((v) >> 40) & 0xFF); \
124 (a)[(r + 3)] = (uint8_t)(((v) >> 32) & 0xFF); \
125 (a)[(r + 4)] = (uint8_t)(((v) >> 24) & 0xFF); \
126 (a)[(r + 5)] = (uint8_t)(((v) >> 16) & 0xFF); \
127 (a)[(r + 6)] = (uint8_t)(((v) >> 8) & 0xFF); \
128 (a)[(r + 7)] = (uint8_t)((v) & 0xFF); }
130 // In 6502 mode, turns out we need this:
131 #define SETLE16(a, r, v) \
132 { (a)[(r + 0)] = (uint8_t)((v) & 0xFF); \
133 (a)[(r + 1)] = (uint8_t)((v) >> 8); }
136 #define BYTESWAP16(x) ((((x) & 0x00FF) << 8) | (((x) & 0xFF00) >> 8))
137 #define BYTESWAP32(x) ((((x) & 0x000000FF) << 24) | (((x) & 0x0000FF00) << 8) | (((x) & 0x00FF0000) >> 8) | (((x) & 0xFF000000) >> 24))
138 #define BYTESWAP64(x) (BYTESWAP32(x>>32)|BYTESWAP32((x&0xffffffff)<<32))
139 #define WORDSWAP32(x) ((((x) & 0x0000FFFF) << 16) | (((x) & 0xFFFF0000) >> 16))
142 // Non-target specific stuff
144 #include <inttypes.h>
148 #define WORD uint16_t
149 #define LONG uint32_t
152 #define ERROR (-1) // Generic error return
153 #define EOS '\0' // End of string
154 #define SPACE ' ' // ASCII space
155 #define SLASHCHAR '/'
156 #define SLASHSTRING "/"
157 #define FNSIZ 128 // Maximum size of a filename
158 #define OK 0 // OK return
159 #define DEBUG if (debug) // Debug conditional
160 #define MAXARGV 100 // Maximum number of commandline args
161 #define STDOUT 1 // Standard output
162 #define ERROUT 2 // Error output
165 // Object code formats
168 ALCYON, // Alcyon/DRI C object format
169 MWC, // Mark Williams object format
170 BSD, // BSD object format
171 ELF, // ELF object format
172 LOD, // DSP 56001 object format
173 P56, // DSP 56001 object format
174 XEX, // COM/EXE/XEX/whatever a8 object format
178 #define TOKEN uint32_t
180 // Token pointer type is a union because we have 64-bit sized tokens now :-P
181 #define TOKENPTR union _tokenptr
188 // Pointer type that can point to (almost) anything
189 #define PTR union _ptr
192 uint8_t * cp; // Char
193 uint16_t * wp; // WORD
194 uint32_t * lp; // LONG
197 TOKENPTR tk; // TOKEN
201 #define LABEL 0 // User-defined symbol
202 #define MACRO 1 // Macro definition
203 #define MACARG 2 // Macro argument
204 #define SY_UNDEF -1 // Undefined (lookup never matches it)
206 // Symbol and expression attributes
207 #define DEFINED 0x8000 // Symbol has been defined
208 #define GLOBAL 0x4000 // Symbol has been .GLOBL'd
209 #define COMMON 0x2000 // Symbol has been .COMM'd
210 #define REFERENCED 0x1000 // Symbol has been referenced
211 #define EQUATED 0x0800 // Symbol was equated
212 #define SDECLLIST 0x0400 // Symbol is on 'sdecl'-order list
213 #define FLOAT 0x0200 // Symbol is a floating point value
215 // Expression spaces, ORed with symbol and expression attributes above
216 #define ABS 0x0000 // In absolute space
217 #define TEXT 0x0001 // Relative to text
218 #define DATA 0x0002 // Relative to data
219 #define BSS 0x0004 // Relative to BSS
220 #define M6502 0x0008 // 6502/microprocessor (absolute)
221 #define TDB (TEXT|DATA|BSS) // Mask for text+data+bss
224 #define SIZB 0x0001 // .b
225 #define SIZW 0x0002 // .w
226 #define SIZL 0x0004 // .l
227 #define SIZN 0x0008 // no .(size) specifier
228 #define SIZD 0x0010 // .d (FPU double precision real)
229 #define SIZS 0x0020 // .s (FPU single precision real)
230 #define SIZX 0x0040 // .x (FPU extended precision real)
231 #define SIZP 0x0080 // .p (FPU pakced decimal real)
232 #define SIZQ 0x0100 // .q (quad word)
234 // RISC register bank definitions (used in extended symbol attributes also)
235 #define BANK_N 0x0000 // No register bank specified
236 #define BANK_0 0x0001 // Register bank zero specified
237 #define BANK_1 0x0002 // Register bank one specified
238 #define EQUATEDREG 0x0008 // Equated register symbol
239 #define UNDEF_EQUR 0x0010
240 #define EQUATEDCC 0x0020
241 #define UNDEF_CC 0x0040
243 // Construct binary constants at compile time
247 #define HEX__(n) 0x##n##LU
249 ((x&0x0000000FLU)?1:0) \
250 +((x&0x000000F0LU)?2:0) \
251 +((x&0x00000F00LU)?4:0) \
252 +((x&0x0000F000LU)?8:0) \
253 +((x&0x000F0000LU)?16:0) \
254 +((x&0x00F00000LU)?32:0) \
255 +((x&0x0F000000LU)?64:0) \
256 +((x&0xF0000000LU)?128:0)
259 #define B8(d) ((uint8_t)B8__(HEX__(d)))
260 #define B16(dmsb,dlsb) (((uint16_t)B8(dmsb)<<8) + B8(dlsb))
261 #define B32(dmsb,db2,db3,dlsb) (((uint32_t)B8(dmsb)<<24) \
262 + ((uint32_t)B8(db2)<<16) \
263 + ((uint32_t)B8(db3)<<8) \
266 // Optimisation defines
272 OPT_INDIRECT_DISP = 3,
275 OPT_COUNT // Dummy, used to count number of optimisation switches
278 // Exported variables
279 extern int verb_flag;
281 extern int rgpu, rdsp;
286 extern char * firstfname;
289 extern int as68_flag;
291 extern int list_flag;
292 extern int glob_flag;
293 extern int lsym_flag;
294 extern int sbra_flag;
295 extern int obj_format;
296 extern int legacy_flag;
297 extern int prg_flag; // 1 = write ".PRG" relocatable executable
298 extern LONG PRGFLAGS;
299 extern int optim_flags[OPT_COUNT];
300 extern int activecpu;
301 extern int activefpu;
303 // Exported functions
304 char * fext(char *, char *, int);
305 int nthpath(char *, int, char *);
306 int ParseOptimization(char * optstring);