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1.1 root 1: /* Definitions of target machine for GNU compiler.
2: For NCR Tower 32/4x0 and 32/6x0 running System V Release 3.
1.1.1.3 root 3: Copyright (C) 1990, 1993, 1994 Free Software Foundation, Inc.
4: Written by Robert Andersson ([email protected]), International Systems,
5: Oslo, Norway.
6:
1.1 root 7: This file outputs assembler source suitable for the native Tower as
8: and with sdb debugging symbols. See tower.h for more comments.
9:
1.1.1.3 root 10: This file was based on m68k.h, hp320.h and 3b1.h as of the 1.37.1 version.
1.1 root 11:
12: This file is part of GNU CC.
13:
14: GNU CC is free software; you can redistribute it and/or modify
15: it under the terms of the GNU General Public License as published by
16: the Free Software Foundation; either version 2, or (at your option)
17: any later version.
18:
19: GNU CC is distributed in the hope that it will be useful,
20: but WITHOUT ANY WARRANTY; without even the implied warranty of
21: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22: GNU General Public License for more details.
23:
24: You should have received a copy of the GNU General Public License
25: along with GNU CC; see the file COPYING. If not, write to
1.1.1.4 ! root 26: the Free Software Foundation, 59 Temple Place - Suite 330,
! 27: Boston, MA 02111-1307, USA. */
1.1 root 28:
29:
30: #include "m68k/tower.h"
31: #undef SELECT_RTX_SECTION
32:
33: /* Use default settings for system V.3. */
34:
35: #include "svr3.h"
36:
37: /* Names to predefine in the preprocessor for this target machine. */
38:
1.1.1.2 root 39: #define CPP_PREDEFINES "-Dunix -Dtower32 -Dtower32_600 -D__motorola__ -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
1.1 root 40:
41: /* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
42: This will control the use of inline 68881 insns in certain macros.
43: Also, define special define used to identify the Tower assembler. */
44:
45: #define CPP_SPEC "-D__TOWER_ASM__ %{m68881:-D__HAVE_68881__}"
46:
47: /* We don't want local labels to start with period.
48: See ASM_OUTPUT_INTERNAL_LABEL. */
49: #undef LOCAL_LABEL_PREFIX
50: #define LOCAL_LABEL_PREFIX ""
51:
52: /* These four macros control how m68k.md is expanded. */
53:
54: #define MOTOROLA /* Use Motorola syntax rather than "MIT" */
55: #define SGS /* Uses SGS assembler */
56: #define SGS_CMP_ORDER /* Takes cmp operands in reverse order */
57: #define SGS_NO_LI /* Suppress jump table label usage */
58:
59: /* Turn on SDB debugging info. */
60:
61: #define SDB_DEBUGGING_INFO
62:
63: /* This is only useful if gdb is changed, but doesn't harm anyway. */
64:
65: #define ASM_IDENTIFY_GCC(FILE) \
66: fprintf (FILE, "gcc2_compiled%%:\n")
67:
68: /* All the ASM_OUTPUT macros need to conform to the Tower as syntax. */
69:
70: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
71: do { \
1.1.1.2 root 72: fprintf (FILE, "\tfile\t"); \
73: output_quoted_string (FILE, FILENAME); \
74: fprintf (FILE, "\n"); \
1.1 root 75: fprintf (FILE, "section ~init,\"x\"\n"); \
76: fprintf (FILE, "section ~fini,\"x\"\n"); \
77: fprintf (FILE, "section ~rodata,\"x\"\n"); \
78: fprintf (FILE, "text\n"); \
79: } while (0)
80:
81: #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
82: fprintf (FILE, "\tln\t%d\n", \
83: (sdb_begin_function_line \
84: ? last_linenum - sdb_begin_function_line : 1))
85:
86: #undef ASM_OUTPUT_IDENT
87: #define ASM_OUTPUT_IDENT(FILE, NAME) \
88: fprintf (FILE, "\tident\t\"%s\" \n", NAME)
89:
90: #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
1.1.1.3 root 91: do { register int sp = 0, lp = 0; \
1.1 root 92: fprintf ((FILE), "\tbyte\t"); \
93: loop: \
94: if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
95: { lp += 3; \
96: fprintf ((FILE), "'%c", (PTR)[sp]); } \
97: else \
98: { lp += 5; \
99: fprintf ((FILE), "0x%x", (PTR)[sp]); } \
100: if (++sp < (LEN)) \
101: { if (lp > 60) \
102: { lp = 0; \
103: fprintf ((FILE), "\n\tbyte\t"); } \
104: else \
105: putc (',', (FILE)); \
106: goto loop; } \
1.1.1.3 root 107: putc ('\n', (FILE)); } while (0)
1.1 root 108:
109: /* Translate Motorola opcodes such as `jbeq'
110: into SGS/Tower opcodes such as `beq.w'.
111: Change `move' to `mov'.
112: Change `cmpm' to `cmp'.
113: Change `divsl' to `tdivs'.
114: Change `divul' to `tdivu'.
115: Change `ftst' to `ftest'.
116: Change `fmove' to `fmov'. */
117:
118: #define ASM_OUTPUT_OPCODE(FILE, PTR) \
119: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
120: { ++(PTR); \
121: while (*(PTR) != ' ') \
122: { putc (*(PTR), (FILE)); ++(PTR); } \
123: fprintf ((FILE), ".w"); } \
124: else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \
125: && (PTR)[2] == 'v' && (PTR)[3] == 'e') \
126: { fprintf ((FILE), "mov"); (PTR) += 4; } \
127: else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \
128: && (PTR)[2] == 'p' && (PTR)[3] == 'm') \
129: { fprintf ((FILE), "cmp"); (PTR) += 4; } \
130: else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \
131: && (PTR)[2] == 'v' && (PTR)[3] == 's' \
132: && (PTR)[4] == 'l') \
133: { fprintf ((FILE), "tdivs"); (PTR) += 5; } \
134: else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \
135: && (PTR)[2] == 'v' && (PTR)[3] == 'u' \
136: && (PTR)[4] == 'l') \
137: { fprintf ((FILE), "tdivu"); (PTR) += 5; } \
138: else if ((PTR)[0] == 'f' && (PTR)[1] == 't' \
139: && (PTR)[2] == 's' && (PTR)[3] == 't') \
140: { fprintf ((FILE), "ftest"); (PTR) += 4; } \
141: else if ((PTR)[0] == 'f' && (PTR)[1] == 'm' \
142: && (PTR)[2] == 'o' && (PTR)[3] == 'v' \
143: && (PTR)[4] == 'e') \
144: { fprintf ((FILE), "fmov"); (PTR) += 5; } \
145: }
146:
147:
148:
149: /* Override parts of m68k.h to fit the Tower assembler.
150: This section needs to track changes done to m68k.h in the future. */
151:
152: #undef TARGET_VERSION
153: #define TARGET_VERSION fprintf (stderr, " (68k, Motorola/SGS/Tower32 syntax)");
154:
155: #undef FUNCTION_BLOCK_PROFILER
156: #define FUNCTION_BLOCK_PROFILER(FILE, LABELNO) \
157: do { \
158: char label1[20], label2[20]; \
159: ASM_GENERATE_INTERNAL_LABEL (label1, "LPBX", 0); \
160: ASM_GENERATE_INTERNAL_LABEL (label2, "LPI", LABELNO); \
161: fprintf (FILE, "\ttst.l %s\n\tbne %s\n\tpea %s\n\tjsr __bb_init_func\n\taddq.l &4,%%sp\n", \
162: label1, label2, label1); \
163: ASM_OUTPUT_INTERNAL_LABEL (FILE, "LPI", LABELNO); \
164: putc ('\n', FILE); \
165: } while (0)
166:
167: #undef BLOCK_PROFILER
168: #define BLOCK_PROFILER(FILE, BLOCKNO) \
169: do { \
170: char label[20]; \
171: ASM_GENERATE_INTERNAL_LABEL (label, "LPBX", 2); \
172: fprintf (FILE, "\taddq.l &1,%s+%d\n", label, 4 * BLOCKNO); \
173: } while (0)
174:
175: #undef FUNCTION_PROFILER
176: #define FUNCTION_PROFILER(FILE, LABEL_NO) \
177: fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO))
178:
1.1.1.3 root 179: #undef FUNCTION_EXTRA_EPILOGUE
180: #define FUNCTION_EXTRA_EPILOGUE(FILE, SIZE) \
181: { extern int current_function_returns_pointer; \
182: if ((current_function_returns_pointer) && \
183: ! find_equiv_reg (0, get_last_insn (), 0, 0, 0, 8, Pmode)) \
1.1.1.4 ! root 184: asm_fprintf (FILE, "\tmov.l %Rd0,%Ra0\n"); }
1.1 root 185:
186: /* This is how to output an insn to push a register on the stack.
187: It need not be very fast code. */
188:
189: #undef ASM_OUTPUT_REG_PUSH
190: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
191: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO])
192:
193: /* This is how to output an insn to pop a register from the stack.
194: It need not be very fast code. */
195:
196: #undef ASM_OUTPUT_REG_POP
197: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
198: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO])
199:
200: #undef ASM_FILE_START
201: #define ASM_FILE_START(FILE) \
202: ( fprintf (FILE, "#NO_APP\n"), \
203: output_file_directive ((FILE), main_input_filename))
204:
205: #undef TEXT_SECTION_ASM_OP
206: #define TEXT_SECTION_ASM_OP "text"
207:
208: #undef DATA_SECTION_ASM_OP
209: #define DATA_SECTION_ASM_OP "data"
210:
211: /* This says how to output an assembler line to define a global common symbol.
212: We use SIZE rather than ROUNDED, as this is what the native cc does. */
213:
214: #undef ASM_OUTPUT_COMMON
215: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
216: ( fputs ("\tcomm ", (FILE)), \
217: assemble_name ((FILE), (NAME)), \
218: fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (SIZE)))
219:
220: /* This says how to output an assembler line to define a local common symbol.
221: We use SIZE rather than ROUNDED, as this is what the native cc does. */
222:
223: #undef ASM_OUTPUT_LOCAL
224: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
225: ( fputs ("\tlcomm ", (FILE)), \
226: assemble_name ((FILE), (NAME)), \
227: fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (SIZE)))
228:
229: /* Store in OUTPUT a string (made with alloca) containing
230: an assembler-name for a local static variable named NAME.
231: LABELNO is an integer which is different for each call. */
232:
233: #undef ASM_FORMAT_PRIVATE_NAME
234: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
235: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 11), \
236: sprintf ((OUTPUT), "%s%%%%%d", (NAME), (LABELNO)))
237:
238: /* This is the command to make the user-level label named NAME
239: defined for reference from other files. */
240:
241: #undef GLOBAL_ASM_OP
242: #define GLOBAL_ASM_OP "global"
243:
244: #undef ASM_GENERATE_INTERNAL_LABEL
245: #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
246: sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM))
247:
248: #undef ASM_OUTPUT_INTERNAL_LABEL
249: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
250: fprintf ((FILE), "%s%%%d:\n", (PREFIX), (NUM))
251:
252: #undef ASM_OUTPUT_CASE_LABEL
253: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
254: fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \
255: XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)); \
256:
257: #undef ASM_OUTPUT_DOUBLE
258: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
259: do { long l[2]; \
260: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
261: fprintf (FILE, "\tlong 0x%x,0x%x\n", l[0], l[1]); \
262: } while (0)
263:
264: #undef ASM_OUTPUT_LONG_DOUBLE
265: #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
266: do { long l[3]; \
267: REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
268: fprintf (FILE, "\tlong 0x%x,0x%x,0x%x\n", l[0], l[1], l[2]); \
269: } while (0)
270:
271: #undef ASM_OUTPUT_FLOAT
272: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
273: do { long l; \
274: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
275: fprintf ((FILE), "\tlong 0x%x\n", l); \
276: } while (0)
277:
278: /* This is how to output an assembler line defining an `int' constant. */
279:
280: #undef ASM_OUTPUT_INT
281: #define ASM_OUTPUT_INT(FILE,VALUE) \
282: ( fprintf (FILE, "\tlong "), \
283: output_addr_const (FILE, (VALUE)), \
284: fprintf (FILE, "\n"))
285:
286: /* Likewise for `char' and `short' constants. */
287:
288: #undef ASM_OUTPUT_SHORT
289: #define ASM_OUTPUT_SHORT(FILE,VALUE) \
290: ( fprintf (FILE, "\tshort "), \
291: output_addr_const (FILE, (VALUE)), \
292: fprintf (FILE, "\n"))
293:
294: #undef ASM_OUTPUT_CHAR
295: #define ASM_OUTPUT_CHAR(FILE,VALUE) \
296: ( fprintf (FILE, "\tbyte "), \
297: output_addr_const (FILE, (VALUE)), \
298: fprintf (FILE, "\n"))
299:
300: /* This is how to output an assembler line for a numeric constant byte. */
301:
302: #undef ASM_OUTPUT_BYTE
303: #define ASM_OUTPUT_BYTE(FILE,VALUE) \
304: fprintf (FILE, "\tbyte 0x%x\n", (VALUE))
305:
306: #undef ASM_OUTPUT_ADDR_VEC_ELT
307: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
308: fprintf (FILE, "\tlong L%%%d\n", (VALUE))
309:
310: #undef ASM_OUTPUT_ADDR_DIFF_ELT
311: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
312: fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL))
313:
314: #undef ASM_OUTPUT_ALIGN
315: #define ASM_OUTPUT_ALIGN(FILE,LOG) \
316: if ((LOG) == 1) \
317: fprintf (FILE, "\teven\n"); \
318: else if ((LOG) != 0) \
319: abort ();
320:
321: #undef ASM_OUTPUT_SKIP
322: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
323: fprintf (FILE, "\tspace %d\n", (SIZE))
324:
325: #undef PRINT_OPERAND
326: #define PRINT_OPERAND(FILE, X, CODE) \
327: { if (CODE == '.') fprintf (FILE, "."); \
328: else if (CODE == '#') fprintf (FILE, "&"); \
329: else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \
330: else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \
331: else if (CODE == '@') fprintf (FILE, "(%%sp)"); \
332: else if (CODE == '!') fprintf (FILE, "%%fpcr"); \
333: else if (CODE == '/') \
334: fprintf (FILE, "%%"); \
335: else if (CODE == '$') { if (TARGET_68040_ONLY) fprintf (FILE, "s"); } \
336: else if (CODE == '&') { if (TARGET_68040_ONLY) fprintf (FILE, "d"); } \
337: else if (GET_CODE (X) == REG) \
338: fprintf (FILE, "%s", reg_names[REGNO (X)]); \
339: else if (GET_CODE (X) == MEM) \
340: output_address (XEXP (X, 0)); \
341: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \
342: { REAL_VALUE_TYPE r; long l; \
343: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
344: REAL_VALUE_TO_TARGET_SINGLE (r, l); \
345: fprintf (FILE, "&0x%x", l); } \
346: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \
347: { REAL_VALUE_TYPE r; int i[2]; \
348: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
349: REAL_VALUE_TO_TARGET_DOUBLE (r, i); \
350: fprintf (FILE, "&0x%x%08x", i[0], i[1]); } \
351: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == XFmode) \
352: { REAL_VALUE_TYPE r; \
353: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
354: ASM_OUTPUT_LONG_DOUBLE_OPERAND (FILE, r); } \
355: else { putc ('&', FILE); output_addr_const (FILE, X); }}
356:
357: /* Note that this contains a kludge that knows that the only reason
358: we have an address (plus (label_ref...) (reg...))
359: is in the insn before a tablejump, and we know that the table is
360: exactly 10 bytes away. */
361:
362: #undef PRINT_OPERAND_ADDRESS
363: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
364: { register rtx reg1, reg2, breg, ireg; \
365: register rtx addr = ADDR; \
366: rtx offset; \
367: switch (GET_CODE (addr)) \
368: { \
369: case REG: \
370: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
371: break; \
372: case PRE_DEC: \
373: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
374: break; \
375: case POST_INC: \
376: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
377: break; \
378: case PLUS: \
379: reg1 = 0; reg2 = 0; \
380: ireg = 0; breg = 0; \
381: offset = 0; \
382: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
383: { \
384: offset = XEXP (addr, 0); \
385: addr = XEXP (addr, 1); \
386: } \
387: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
388: { \
389: offset = XEXP (addr, 1); \
390: addr = XEXP (addr, 0); \
391: } \
392: if (GET_CODE (addr) != PLUS) ; \
393: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
394: { \
395: reg1 = XEXP (addr, 0); \
396: addr = XEXP (addr, 1); \
397: } \
398: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
399: { \
400: reg1 = XEXP (addr, 1); \
401: addr = XEXP (addr, 0); \
402: } \
403: else if (GET_CODE (XEXP (addr, 0)) == MULT) \
404: { \
405: reg1 = XEXP (addr, 0); \
406: addr = XEXP (addr, 1); \
407: } \
408: else if (GET_CODE (XEXP (addr, 1)) == MULT) \
409: { \
410: reg1 = XEXP (addr, 1); \
411: addr = XEXP (addr, 0); \
412: } \
413: else if (GET_CODE (XEXP (addr, 0)) == REG) \
414: { \
415: reg1 = XEXP (addr, 0); \
416: addr = XEXP (addr, 1); \
417: } \
418: else if (GET_CODE (XEXP (addr, 1)) == REG) \
419: { \
420: reg1 = XEXP (addr, 1); \
421: addr = XEXP (addr, 0); \
422: } \
423: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
424: || GET_CODE (addr) == SIGN_EXTEND) \
425: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
426: /* for OLD_INDEXING \
427: else if (GET_CODE (addr) == PLUS) \
428: { \
429: if (GET_CODE (XEXP (addr, 0)) == REG) \
430: { \
431: reg2 = XEXP (addr, 0); \
432: addr = XEXP (addr, 1); \
433: } \
434: else if (GET_CODE (XEXP (addr, 1)) == REG) \
435: { \
436: reg2 = XEXP (addr, 1); \
437: addr = XEXP (addr, 0); \
438: } \
439: } \
440: */ \
441: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
442: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
443: || GET_CODE (reg1) == MULT)) \
444: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
445: { breg = reg2; ireg = reg1; } \
446: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
447: { breg = reg1; ireg = reg2; } \
448: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
449: { int scale = 1; \
450: if (GET_CODE (ireg) == MULT) \
451: { scale = INTVAL (XEXP (ireg, 1)); \
452: ireg = XEXP (ireg, 0); } \
453: if (GET_CODE (ireg) == SIGN_EXTEND) \
454: fprintf (FILE, "10(%%pc,%s.w", \
455: reg_names[REGNO (XEXP (ireg, 0))]); \
456: else \
457: fprintf (FILE, "10(%%pc,%s.l", \
458: reg_names[REGNO (ireg)]); \
459: if (scale != 1) fprintf (FILE, "*%d", scale); \
460: putc (')', FILE); \
461: break; } \
462: if (ireg != 0 || breg != 0) \
463: { int scale = 1; \
464: if (breg == 0) \
465: abort (); \
466: if (addr != 0) \
467: output_addr_const (FILE, addr); \
468: fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \
469: if (ireg != 0) \
470: putc (',', FILE); \
471: if (ireg != 0 && GET_CODE (ireg) == MULT) \
472: { scale = INTVAL (XEXP (ireg, 1)); \
473: ireg = XEXP (ireg, 0); } \
474: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
475: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
476: else if (ireg != 0) \
477: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
478: if (scale != 1) fprintf (FILE, "*%d", scale); \
479: putc (')', FILE); \
480: break; \
481: } \
482: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
483: { fprintf (FILE, "10(%%pc,%s.w)", \
484: reg_names[REGNO (reg1)]); \
485: break; } \
486: default: \
487: output_addr_const (FILE, addr); \
488: }}
489:
490:
491:
492: /* Override usual definitions of SDB output macros.
493: These definitions differ only in the absence of the period
494: at the beginning of the name of the directive
495: and in the use of `~' as the symbol for the current location. */
496:
497: #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a))
498: #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a))
499: #define PUT_SDB_VAL(a) \
500: ( fputs ("\tval\t", asm_out_file), \
501: output_addr_const (asm_out_file, (a)), \
502: fputc (';', asm_out_file))
503:
504: #define PUT_SDB_DEF(a) \
505: do { fprintf (asm_out_file, "\tdef\t"); \
506: ASM_OUTPUT_LABELREF (asm_out_file, a); \
507: fprintf (asm_out_file, ";"); } while (0)
508:
509: #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a)
510: #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file)
511: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a)
512: #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a)
513: #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t")
514: #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a)
515: #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a)
516:
517: #define PUT_SDB_TAG(a) \
518: do { fprintf (asm_out_file, "\ttag\t"); \
519: ASM_OUTPUT_LABELREF (asm_out_file, a); \
520: fprintf (asm_out_file, ";"); } while (0)
521:
522: #define PUT_SDB_BLOCK_START(LINE) \
523: fprintf (asm_out_file, \
524: "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
525: (LINE))
526:
527: #define PUT_SDB_BLOCK_END(LINE) \
528: fprintf (asm_out_file, \
529: "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
530: (LINE))
531:
532: #define PUT_SDB_FUNCTION_START(LINE) \
533: fprintf (asm_out_file, \
534: "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
535: (LINE))
536:
537: #define PUT_SDB_FUNCTION_END(LINE) \
538: fprintf (asm_out_file, \
539: "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
540: (LINE))
541:
542: #define PUT_SDB_EPILOGUE_END(NAME) \
543: fprintf (asm_out_file, \
544: "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \
545: (NAME))
546:
547: #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
548: sprintf ((BUFFER), "~%dfake", (NUMBER));
549:
550: #define NO_DOLLAR_IN_LABEL
551: #define NO_DOT_IN_LABEL
552:
553: /* The usual definitions don't work because neither $ nor . is allowed. */
554: #define CONSTRUCTOR_NAME_FORMAT "_GLOBAL_%%I\%%%s"
555:
556: /* Define a few machine-specific details
557: of the implementation of constructors.
558:
559: The __CTORS_LIST__ goes in the .init section. Define CTOR_LIST_BEGIN
560: and CTOR_LIST_END to contribute to the .init section an instruction to
561: push a word containing 0 (or some equivalent of that).
562:
563: ASM_OUTPUT_CONSTRUCTOR should be defined
564: to push the address of the constructor. */
565:
566: #define ASM_LONG "\tlong"
567: #undef INIT_SECTION_ASM_OP
568: #define INIT_SECTION_ASM_OP "section\t~init"
569: #undef FINI_SECTION_ASM_OP
570: #define FINI_SECTION_ASM_OP "section\t~fini"
571: #undef CONST_SECTION_ASM_OP
572: #define CONST_SECTION_ASM_OP "section\t~rodata"
573:
574: #define CTOR_LIST_BEGIN \
575: asm (INIT_SECTION_ASM_OP); \
576: asm ("clr.l -(%sp)")
577: #define CTOR_LIST_END CTOR_LIST_BEGIN
578:
579: #define BSS_SECTION_ASM_OP "section\t~bss"
580:
581: #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
582: do { \
583: init_section (); \
584: fprintf (FILE, "\tmov.l &"); \
585: assemble_name (FILE, NAME); \
586: fprintf (FILE, ",-(%%sp)\n"); \
587: } while (0)
588:
589: /* We do not want leading underscores. */
590:
591: #undef ASM_OUTPUT_LABELREF
592: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
593: fprintf (FILE, "%s", NAME)
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