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1.1.1.3 root 1: /* Definitions of target machine for GNU compiler,
2: SysV68 Motorola 3300 Delta Series.
1.1.1.4 ! root 3: Copyright (C) 1987, 1993, 1994, 1995 Free Software Foundation, Inc.
! 4: Contributed by Abramo and Roberto Bagnara ([email protected])
1.1.1.3 root 5: based on Alex Crain's 3B1 definitions.
1.1.1.4 ! root 6: Maintained by Philippe De Muyter ([email protected]).
1.1 root 7:
8: This file is part of GNU CC.
9:
10: GNU CC is free software; you can redistribute it and/or modify
11: it under the terms of the GNU General Public License as published by
12: the Free Software Foundation; either version 2, or (at your option)
13: any later version.
14:
15: GNU CC is distributed in the hope that it will be useful,
16: but WITHOUT ANY WARRANTY; without even the implied warranty of
17: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: GNU General Public License for more details.
19:
20: You should have received a copy of the GNU General Public License
21: along with GNU CC; see the file COPYING. If not, write to
1.1.1.4 ! root 22: the Free Software Foundation, 59 Temple Place - Suite 330,
! 23: Boston, MA 02111-1307, USA. */
1.1 root 24:
25: #define MOTOROLA /* Use Motorola syntax rather than "MIT" */
1.1.1.3 root 26: #define MOTOROLA_BSR /* Use Span-dependent optimized bsr */
1.1 root 27: #define SGS /* Uses SGS assembler */
28: #define SGS_CMP_ORDER /* Takes cmp operands in reverse order */
29: #define SGS_SWAP_W /* Use swap.w rather than just plain swap */
30:
31: #define NO_DOLLAR_IN_LABEL
32: #define NO_DOT_IN_LABEL
33:
34: #include "m68k/m68k.h"
35:
1.1.1.3 root 36: /* See m68k.h. 0407 means 68020-68040. */
1.1 root 37:
38: #ifndef TARGET_DEFAULT
1.1.1.3 root 39: #define TARGET_DEFAULT 0407
1.1 root 40: #endif
41:
1.1.1.3 root 42: /* -m[c]6800 requires special flag to the assembler. */
43:
44: #undef ASM_SPEC
45: #define ASM_SPEC "%{m68000:-p 000}%{mc68000:-p 000}"
46:
1.1 root 47: /* NYI: FP= is equivalent to -msoft-float */
48:
49: /* We use /lib/libp/lib* when profiling. */
50:
51: /* NYI: if FP=M68881U library is -lc881u */
52: /* NYI: if FP= library is -lc. */
53: /* Default for us: FP=M68881 library is -lc881 */
54: #undef LIB_SPEC
55: #define LIB_SPEC "%{!shlib:%{p:-L/usr/lib/libp} %{pg:-L/usr/lib/libp} -lc881}"
56:
57: #define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__}"
58:
59: /* Shared libraries need to use crt0s.o */
60:
61: #undef STARTFILE_SPEC
62: #define STARTFILE_SPEC \
63: "%{!shlib:%{pg:mcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}\
64: %{shlib:crt0s.o%s shlib.ifile%s} "
65:
66: /* Generate calls to memcpy, memcmp and memset. */
67:
68: #define TARGET_MEM_FUNCTIONS
69:
70: /* size_t is unsigned int. */
71:
72: #define SIZE_TYPE "unsigned int"
73:
74: /* Every structure or union's size must be a multiple of 2 bytes. */
75:
76: #define STRUCTURE_SIZE_BOUNDARY 16
1.1.1.4 ! root 77:
! 78: /* Follow sysV68 cc regarding alignment imposed by char:0; */
! 79:
! 80: #define PCC_BITFIELD_TYPE_MATTERS 1
1.1.1.2 root 81:
82: /* Allocation boundary (in *bits*) for storing arguments in argument list. */
83: /* Be compatible with native compiler. */
84: #undef PARM_BOUNDARY
85: #define PARM_BOUNDARY 16
1.1 root 86:
87: /* cpp has to support a #sccs directive for the /usr/include files */
88:
89: #define SCCS_DIRECTIVE
90:
91: /* Make output for SDB. */
92:
93: #define SDB_DEBUGGING_INFO
94:
1.1.1.2 root 95: #undef REGISTER_PREFIX
96: #define REGISTER_PREFIX "%"
97:
1.1.1.3 root 98: #if 0
99: #undef LOCAL_LABEL_PREFIX
100: #define LOCAL_LABEL_PREFIX "~"
101: #endif
102:
1.1.1.2 root 103: #undef IMMEDIATE_PREFIX
104: #define IMMEDIATE_PREFIX "&"
105:
1.1 root 106: #undef REGISTER_NAMES
107: #define REGISTER_NAMES \
108: {"%d0", "%d1", "%d2", "%d3", "%d4", "%d5", "%d6", "%d7", \
109: "%a0", "%a1", "%a2", "%a3", "%a4", "%a5", "%fp", "%sp", \
110: "%fp0", "%fp1", "%fp2", "%fp3", "%fp4", "%fp5", "%fp6", "%fp7"}
111:
1.1.1.3 root 112: #undef FUNCTION_EXTRA_EPILOGUE
113: #define FUNCTION_EXTRA_EPILOGUE(FILE, SIZE) \
114: { extern int current_function_returns_pointer; \
115: if ((current_function_returns_pointer) && \
116: ! find_equiv_reg (0, get_last_insn (), 0, 0, 0, 8, Pmode)) \
117: asm_fprintf (FILE, "\tmov.l %Ra0,%Rd0\n"); }
1.1 root 118:
119: #undef FUNCTION_PROFILER
120: #define FUNCTION_PROFILER(FILE, LABEL_NO) \
121: fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO))
122:
123: /* This is how to output an insn to push a register on the stack.
124: It need not be very fast code. */
125:
126: #undef ASM_OUTPUT_REG_PUSH
127: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
128: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO])
129:
130: /* This is how to output an insn to pop a register from the stack.
131: It need not be very fast code. */
132:
133: #undef ASM_OUTPUT_REG_POP
134: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
135: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO])
136:
137: #undef ASM_APP_ON
138: #define ASM_APP_ON ""
139:
140: #undef ASM_APP_OFF
141: #define ASM_APP_OFF ""
142:
143: #undef TEXT_SECTION_ASM_OP
144: #define TEXT_SECTION_ASM_OP "text"
145: #undef DATA_SECTION_ASM_OP
146: #define DATA_SECTION_ASM_OP "data"
147: #undef ASCII_DATA_ASM_OP
148: #define ASCII_DATA_ASM_OP "byte"
149:
150: /* The file command should always begin the output. */
151:
152: #undef ASM_FILE_START
153: #define ASM_FILE_START(FILE) \
154: output_file_directive ((FILE), main_input_filename)
155:
1.1.1.3 root 156: /* The sysV68 assembler does not accept dots in labels.
157: Let's use percent instead */
1.1 root 158:
1.1.1.3 root 159: #define ASM_IDENTIFY_GCC(FILE) fputs("gcc2_compiled%:\n", FILE)
1.1 root 160:
161: /* Names to predefine in the preprocessor for this target machine. */
162: /* [email protected] says mc68000 and m68k should not be here,
163: on the other hand I don't care what he says. */
164:
165: #undef CPP_PREDEFINES
1.1.1.2 root 166: #define CPP_PREDEFINES "-Dm68k -Dunix -DsysV68 -D__motorola__ -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
1.1 root 167:
168: #undef TARGET_VERSION
169: #define TARGET_VERSION fprintf (stderr, " (68k, SGS/AT&T sysV68 syntax)");
170:
171: /* Function calls save all but a0, a1, d0, d1, fp0, fp1. */
172:
173: #undef CALL_USED_REGISTERS
174: #define CALL_USED_REGISTERS \
175: {1, 1, 0, 0, 0, 0, 0, 0, \
176: 1, 1, 0, 0, 0, 0, 0, 1, \
177: 1, 1, 0, 0, 0, 0, 0, 0}
178:
1.1.1.4 ! root 179: /* This will return small structs in d0. */
! 180: #define RETURN_IN_MEMORY(type) \
! 181: ((TYPE_MODE (type) == BLKmode) \
! 182: || (AGGREGATE_TYPE_P (type) \
! 183: && GET_MODE_SIZE (TYPE_MODE (type)) > UNITS_PER_WORD))
! 184:
! 185: /* Don't default to pcc-struct-return, because we have already specified
! 186: exactly how to return structures in the RETURN_IN_MEMORY macro. */
! 187: #define DEFAULT_PCC_STRUCT_RETURN 0
! 188:
1.1 root 189: /* If TARGET_68881, return SF and DF values in fp0 instead of d0. */
190: /* NYI: If FP=M68881U return SF and DF values in d0. */
191: /* NYI: If -mold return pointer in a0 and d0 */
192:
193: #undef FUNCTION_VALUE
194: /* sysV68 (brain damaged) cc convention support. */
195: #define FUNCTION_VALUE(VALTYPE,FUNC) \
196: (TREE_CODE (VALTYPE) == REAL_TYPE && TARGET_68881 \
197: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 16) \
1.1.1.4 ! root 198: : (POINTER_TYPE_P (VALTYPE) \
1.1 root 199: ? gen_rtx (REG, TYPE_MODE (VALTYPE), 8) \
200: : gen_rtx (REG, TYPE_MODE (VALTYPE), 0)))
201:
202: /* If TARGET_68881, SF and DF values are returned in fp0 instead of d0. */
203:
1.1.1.3 root 204: /* Is LIBCALL_VALUE never called with a pointer ? */
1.1 root 205: #undef LIBCALL_VALUE
206: #define LIBCALL_VALUE(MODE) \
207: gen_rtx (REG, (MODE), \
208: ((TARGET_68881 \
209: && ((MODE) == SFmode || (MODE) == DFmode || (MODE) == XFmode)) \
210: ? 16 : 0))
211:
212: /* 1 if N is a possible register number for a function value.
213: d0 may be used, and fp0 as well if -msoft-float is not specified. */
214:
215: #undef FUNCTION_VALUE_REGNO_P
216: /* sysV68 (brain damaged) cc convention support. */
217: #define FUNCTION_VALUE_REGNO_P(N) \
218: ((N) == 0 || (N) == 8 || (TARGET_68881 && (N) == 16))
219:
220: /* Define this to be true when FUNCTION_VALUE_REGNO_P is true for
221: more than one register. */
222:
223: #undef NEEDS_UNTYPED_CALL
224: #define NEEDS_UNTYPED_CALL 1
225:
226: /* This is the command to make the user-level label named NAME
227: defined for reference from other files. */
228:
229: #undef GLOBAL_ASM_OP
230: #define GLOBAL_ASM_OP "global"
231:
232: /* Store in OUTPUT a string (made with alloca) containing
233: an assembler-name for a local static variable named NAME.
234: LABELNO is an integer which is different for each call. */
235:
236: #undef ASM_FORMAT_PRIVATE_NAME
237: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
238: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 12), \
239: sprintf ((OUTPUT), "%s_%%%d", (NAME), (LABELNO)))
240:
241: /* The sysV68 as doesn't know about double's and float's. */
242: /* This is how to output an assembler line defining a `double' constant. */
243:
244: #undef ASM_OUTPUT_DOUBLE
245: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
246: do { long l[2]; \
247: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
248: fprintf (FILE, "\tlong 0x%x,0x%x\n", l[0], l[1]); \
249: } while (0)
250:
251: #undef ASM_OUTPUT_LONG_DOUBLE
252: #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
253: do { long l[3]; \
254: REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
255: fprintf (FILE, "\tlong 0x%x,0x%x,0x%x\n", l[0], l[1], l[2]); \
256: } while (0)
257:
258: /* This is how to output an assembler line defining a `float' constant. */
259:
260: #undef ASM_OUTPUT_FLOAT
261: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
262: do { long l; \
263: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
264: fprintf ((FILE), "\tlong 0x%x\n", l); \
265: } while (0)
266:
267: /* This is how to output an assembler line defining an `int' constant. */
268:
269: #undef ASM_OUTPUT_INT
270: #define ASM_OUTPUT_INT(FILE,VALUE) \
271: ( fprintf (FILE, "\tlong "), \
272: output_addr_const (FILE, (VALUE)), \
273: fprintf (FILE, "\n"))
274:
275: /* Likewise for `char' and `short' constants. */
276:
277: #undef ASM_OUTPUT_SHORT
278: #define ASM_OUTPUT_SHORT(FILE,VALUE) \
279: ( fprintf (FILE, "\tshort "), \
280: output_addr_const (FILE, (VALUE)), \
281: fprintf (FILE, "\n"))
282:
283: #undef ASM_OUTPUT_CHAR
284: #define ASM_OUTPUT_CHAR(FILE,VALUE) \
285: ( fprintf (FILE, "\tbyte "), \
286: output_addr_const (FILE, (VALUE)), \
287: fprintf (FILE, "\n"))
288:
289: /* This is how to output an assembler line for a numeric constant byte. */
290:
291: #undef ASM_OUTPUT_BYTE
292: #define ASM_OUTPUT_BYTE(FILE,VALUE) \
293: fprintf (FILE, "\tbyte 0x%x\n", (VALUE))
294:
295: /* This is how to output an assembler line
296: that says to advance the location counter
297: to a multiple of 2**LOG bytes. */
298:
299: #undef ASM_OUTPUT_ALIGN
300: #define ASM_OUTPUT_ALIGN(FILE,LOG) \
301: if ((LOG) == 1) \
302: fprintf (FILE, "\teven\n"); \
303: else if ((LOG) != 0) \
304: abort ();
305:
306: #undef ASM_OUTPUT_SKIP
307: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
308: fprintf (FILE, "\tspace %u\n", (SIZE))
309:
310: /* Can't use ASM_OUTPUT_SKIP in text section. */
311:
312: #define ASM_NO_SKIP_IN_TEXT 1
313:
314: /* The beginnings of sdb support... */
315:
316: #undef ASM_OUTPUT_SOURCE_FILENAME
317: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
1.1.1.2 root 318: do { fprintf (FILE, "\tfile\t"); \
319: output_quoted_string (FILE, FILENAME); \
320: fprintf (FILE, "\n"); \
321: } while (0)
1.1 root 322:
323: #undef ASM_OUTPUT_SOURCE_LINE
324: #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
325: fprintf (FILE, "\tln\t%d\n", \
326: (sdb_begin_function_line \
327: ? last_linenum - sdb_begin_function_line : 1))
328:
329: /* Yet another null terminated string format. */
330:
331: #undef ASM_OUTPUT_ASCII
332: #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
1.1.1.3 root 333: do { register int sp = 0, lp = 0; \
1.1 root 334: fprintf ((FILE), "\tbyte\t"); \
335: loop: \
336: if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
337: { lp += 3; \
338: fprintf ((FILE), "'%c", (PTR)[sp]); } \
339: else \
340: { lp += 5; \
341: fprintf ((FILE), "0x%x", (PTR)[sp]); } \
342: if (++sp < (LEN)) \
343: { if (lp > 60) \
344: { lp = 0; \
345: fprintf ((FILE), "\n\t%s ", ASCII_DATA_ASM_OP); } \
346: else \
347: putc (',', (FILE)); \
348: goto loop; } \
1.1.1.3 root 349: putc ('\n', (FILE)); } while (0)
350:
351: /* Output a float value (represented as a C double) as an immediate operand.
352: This macro is a 68k-specific macro. */
1.1 root 353:
1.1.1.3 root 354: #undef ASM_OUTPUT_FLOAT_OPERAND
355: #define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \
356: do { long l; \
1.1 root 357: REAL_VALUE_TO_TARGET_SINGLE (r, l); \
358: /* Use hex representation even if CODE is f. as needs it. */ \
1.1.1.3 root 359: fprintf ((FILE), "&0x%lx", l); \
360: } while (0)
361:
362: /* Output a double value (represented as a C double) as an immediate operand.
363: This macro is a 68k-specific macro. */
364: #undef ASM_OUTPUT_DOUBLE_OPERAND
365: #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \
366: do { long l[2]; \
367: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
368: fprintf ((FILE), "&0x%lx%08lx", l[0], l[1]); \
369: } while (0)
1.1 root 370:
371: /* This is how to store into the string LABEL
372: the symbol_ref name of an internal numbered label where
373: PREFIX is the class of label and NUM is the number within the class.
374: This is suitable for output with `assemble_name'. */
375:
376: #undef ASM_GENERATE_INTERNAL_LABEL
377: #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
378: sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM))
379:
380: /* This is how to output an internal numbered label where
381: PREFIX is the class of label and NUM is the number within the class. */
382:
383: #undef ASM_OUTPUT_INTERNAL_LABEL
384: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
385: fprintf (FILE, "%s%%%d:\n", PREFIX, NUM)
386:
387: /* This is how to output a reference to a user-level label named NAME.
388: `assemble_name' uses this. */
389:
390: #undef ASM_OUTPUT_LABELREF
391: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
392: fprintf (FILE, "%s", NAME)
393:
394: /* This is how to output an element of a case-vector that is absolute.
395: (The 68000 does not use such vectors,
396: but we must define this macro anyway.) */
397:
398: #undef ASM_OUTPUT_ADDR_VEC_ELT
399: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
400: fprintf (FILE, "\tlong L%%%d\n", (VALUE))
401:
402: /* This is how to output an element of a case-vector that is relative. */
403:
404: #undef ASM_OUTPUT_ADDR_DIFF_ELT
405: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
406: fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL))
407:
408: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
409: fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \
410: XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM))
411:
1.1.1.3 root 412: /* sysV68 as cannot handle LD%n(%pc,%reg) */
413: #define SGS_NO_LI
414:
415: /* labelno is not used here */
416: #define ASM_OUTPUT_CASE_FETCH(file, labelno, regname)\
417: asm_fprintf (file, "12(%Rpc,%s.", regname)
1.1 root 418:
1.1.1.3 root 419: #define ASM_RETURN_CASE_JUMP return "jmp 8(%%pc,%0.w)"
420:
1.1 root 421: /* Translate some opcodes to fit the sysV68 assembler syntax. */
422: /* The opcodes fdmov and fsmov are guesses. */
423:
1.1.1.2 root 424: /* [email protected] says no need for .w suffix on jumps. */
1.1 root 425: #undef ASM_OUTPUT_OPCODE
426: #define ASM_OUTPUT_OPCODE(FILE, PTR) \
427: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
428: { ++(PTR); \
429: while (*(PTR) != ' ') \
430: { putc (*(PTR), (FILE)); ++(PTR); } \
1.1.1.2 root 431: } \
1.1 root 432: else if ((PTR)[0] == 's') \
433: { \
434: if (!strncmp ((PTR), "swap", 4)) \
435: { fprintf ((FILE), "swap.w"); (PTR) += 4; } \
436: } \
437: else if ((PTR)[0] == 'f') \
438: { \
439: if (!strncmp ((PTR), "fmove", 5)) \
440: { fprintf ((FILE), "fmov"); (PTR) += 5; } \
441: else if (!strncmp ((PTR), "f%$move", 7)) \
442: { if (TARGET_68040_ONLY) \
443: { fprintf ((FILE), "fsmov"); (PTR) += 7; } \
444: else \
445: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \
446: else if (!strncmp ((PTR), "f%&move", 7)) \
447: { if (TARGET_68040_ONLY) \
448: { fprintf ((FILE), "fdmov"); (PTR) += 7; } \
449: else \
450: { fprintf ((FILE), "fmov"); (PTR) += 7; } } \
451: else if (!strncmp ((PTR), "ftst", 4)) \
452: { fprintf ((FILE), "ftest"); (PTR) += 4; } \
453: else if (!strncmp ((PTR), "fbne", 4)) \
454: { fprintf ((FILE), "fbneq"); (PTR) += 4; } \
455: else if (!strncmp ((PTR), "fsne", 4)) \
456: { fprintf ((FILE), "fsneq"); (PTR) += 4; } \
457: } \
458: /* MOVE, MOVEA, MOVEQ, MOVEC ==> MOV */ \
459: else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \
460: && (PTR)[2] == 'v' && (PTR)[3] == 'e') \
461: { fprintf ((FILE), "mov"); (PTR) += 4; \
462: if ((PTR)[0] == 'q' || (PTR)[0] == 'a' \
463: || (PTR)[0] == 'c') (PTR)++; } \
464: /* SUB, SUBQ, SUBA, SUBI ==> SUB */ \
465: else if ((PTR)[0] == 's' && (PTR)[1] == 'u' \
466: && (PTR)[2] == 'b') \
467: { fprintf ((FILE), "sub"); (PTR) += 3; \
468: if ((PTR)[0] == 'q' || (PTR)[0] == 'i' \
469: || (PTR)[0] == 'a') (PTR)++; } \
470: /* CMP, CMPA, CMPI, CMPM ==> CMP */ \
471: else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \
472: && (PTR)[2] == 'p') \
473: { fprintf ((FILE), "cmp"); (PTR) += 3; \
474: if ((PTR)[0] == 'a' || (PTR)[0] == 'i' \
475: || (PTR)[0] == 'm') (PTR)++; } \
476: }
477:
1.1.1.2 root 478: /* [email protected] says to pass SIZE, not ROUNDED. */
479:
1.1 root 480: /* This says how to output an assembler line
481: to define a global common symbol. */
482:
483: #undef ASM_OUTPUT_COMMON
484: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
485: ( fputs ("\tcomm ", (FILE)), \
486: assemble_name ((FILE), (NAME)), \
1.1.1.2 root 487: fprintf ((FILE), ",%u\n", (SIZE)))
1.1 root 488:
489: /* This says how to output an assembler line
490: to define a local common symbol. */
491:
492: #undef ASM_OUTPUT_LOCAL
493: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
494: ( fputs ("\tlcomm ", (FILE)), \
495: assemble_name ((FILE), (NAME)), \
1.1.1.2 root 496: fprintf ((FILE), ",%u\n", (SIZE)))
1.1 root 497:
498:
499: /* Override usual definitions of SDB output macros.
500: These definitions differ only in the absence of the period
501: at the beginning of the name of the directive
502: and in the use of `~' as the symbol for the current location. */
503:
504: #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a))
505: #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a))
506: #define PUT_SDB_VAL(a) \
507: ( fputs ("\tval\t", asm_out_file), \
508: output_addr_const (asm_out_file, (a)), \
509: fputc (';', asm_out_file))
510:
511: #define PUT_SDB_DEF(a) \
512: do { fprintf (asm_out_file, "\tdef\t"); \
513: ASM_OUTPUT_LABELREF (asm_out_file, a); \
514: fprintf (asm_out_file, ";"); } while (0)
515:
516: #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a)
517: #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file)
518: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a)
519: #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a)
520: #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t")
521: #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a)
522: #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a)
523:
524: #define PUT_SDB_TAG(a) \
525: do { fprintf (asm_out_file, "\ttag\t"); \
526: ASM_OUTPUT_LABELREF (asm_out_file, a); \
527: fprintf (asm_out_file, ";"); } while (0)
528:
529: #define PUT_SDB_BLOCK_START(LINE) \
530: fprintf (asm_out_file, \
531: "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
532: (LINE))
533:
534: #define PUT_SDB_BLOCK_END(LINE) \
535: fprintf (asm_out_file, \
536: "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
537: (LINE))
538:
539: #define PUT_SDB_FUNCTION_START(LINE) \
540: fprintf (asm_out_file, \
541: "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
542: (LINE))
543:
544: #define PUT_SDB_FUNCTION_END(LINE) \
545: fprintf (asm_out_file, \
546: "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
547: (LINE))
548:
549: #define PUT_SDB_EPILOGUE_END(NAME) \
550: fprintf (asm_out_file, \
551: "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \
552: (NAME))
553:
554: #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
555: sprintf ((BUFFER), "~%dfake", (NUMBER));
556:
557: /* Define subroutines to call to handle multiply, divide, and remainder.
1.1.1.3 root 558: Use the subroutines that the sysV68's library provides.
1.1 root 559: The `*' prevents an underscore from being prepended by the compiler. */
1.1.1.3 root 560: /* The '*' is also used by INIT_CUMULATIVE_ARGS */
561:
562: #define DIVSI3_LIBCALL "*ldiv%%"
563: #define UDIVSI3_LIBCALL "*uldiv%%"
564: #define MODSI3_LIBCALL "*lrem%%"
565: #define UMODSI3_LIBCALL "*ulrem%%"
566: #define MULSI3_LIBCALL "*lmul%%"
567:
568: struct sysV68_cumulative_args
569: {
570: int offset;
571: int libcall;
572: };
573:
574: #undef CUMULATIVE_ARGS
575: #define CUMULATIVE_ARGS struct sysV68_cumulative_args
576:
577: #undef INIT_CUMULATIVE_ARGS
578: #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME) \
579: do {(CUM).offset = 0;\
580: (CUM).libcall = (LIBNAME) && (*XSTR((LIBNAME), 0) == '*');} while(0)
581:
582: #undef FUNCTION_ARG_ADVANCE
583: #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
584: ((CUM).offset += ((MODE) != BLKmode \
585: ? (GET_MODE_SIZE (MODE) + 3) & ~3 \
586: : (int_size_in_bytes (TYPE) + 3) & ~3))
587:
588: #undef FUNCTION_ARG
589: #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
590: (((CUM).libcall && (CUM).offset == 0) ? gen_rtx(REG, (MODE), 0)\
591: : (TARGET_REGPARM && (CUM).offset < 8) ? gen_rtx (REG, (MODE), (CUM).offset / 4) : 0)
592:
593: #undef FUNCTION_ARG_PARTIAL_NREGS
594: #define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
595: ((TARGET_REGPARM && (CUM).offset < 8 \
596: && 8 < ((CUM).offset + ((MODE) == BLKmode \
597: ? int_size_in_bytes (TYPE) \
598: : GET_MODE_SIZE (MODE)))) \
599: ? 2 - (CUM).offset / 4 : 0)
1.1 root 600:
1.1.1.3 root 601: #undef FUNCTION_ARG_REGNO_P
602: #define FUNCTION_ARG_REGNO_P(N) (TARGET_68020 ? 0 : (N) == 0)
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