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1.1 root 1: /* Definitions of target machine for GNU compiler.
2: Copyright (C) 1990, 1993 Free Software Foundation, Inc.
3:
4: Written by Robert Andersson, International Systems, Oslo, Norway.
5: Send bug reports, questions and improvements to [email protected].
6:
7: For NCR Tower 32/4x0 and 32/6x0 running System V Release 3.
8: This file outputs assembler source suitable for the native Tower as
9: and with sdb debugging symbols. See tower.h for more comments.
10:
11: This file was based on m68k.h, hp320.h and 3b1.h
12: as of the 1.37.1 version.
13:
14:
15: This file is part of GNU CC.
16:
17: GNU CC is free software; you can redistribute it and/or modify
18: it under the terms of the GNU General Public License as published by
19: the Free Software Foundation; either version 2, or (at your option)
20: any later version.
21:
22: GNU CC is distributed in the hope that it will be useful,
23: but WITHOUT ANY WARRANTY; without even the implied warranty of
24: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25: GNU General Public License for more details.
26:
27: You should have received a copy of the GNU General Public License
28: along with GNU CC; see the file COPYING. If not, write to
29: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
30:
31:
32: #include "m68k/tower.h"
33: #undef SELECT_RTX_SECTION
34:
35: /* Use default settings for system V.3. */
36:
37: #include "svr3.h"
38:
39: /* Names to predefine in the preprocessor for this target machine. */
40:
41: #define CPP_PREDEFINES "-Dunix -Dtower32 -Dtower32_600"
42:
43: /* Define __HAVE_68881 in preprocessor only if -m68881 is specified.
44: This will control the use of inline 68881 insns in certain macros.
45: Also, define special define used to identify the Tower assembler. */
46:
47: #define CPP_SPEC "-D__TOWER_ASM__ %{m68881:-D__HAVE_68881__}"
48:
49: /* We don't want local labels to start with period.
50: See ASM_OUTPUT_INTERNAL_LABEL. */
51: #undef LOCAL_LABEL_PREFIX
52: #define LOCAL_LABEL_PREFIX ""
53:
54: /* These four macros control how m68k.md is expanded. */
55:
56: #define MOTOROLA /* Use Motorola syntax rather than "MIT" */
57: #define SGS /* Uses SGS assembler */
58: #define SGS_CMP_ORDER /* Takes cmp operands in reverse order */
59: #define SGS_NO_LI /* Suppress jump table label usage */
60:
61: /* Turn on SDB debugging info. */
62:
63: #define SDB_DEBUGGING_INFO
64:
65: /* This is only useful if gdb is changed, but doesn't harm anyway. */
66:
67: #define ASM_IDENTIFY_GCC(FILE) \
68: fprintf (FILE, "gcc2_compiled%%:\n")
69:
70: /* All the ASM_OUTPUT macros need to conform to the Tower as syntax. */
71:
72: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
73: do { \
74: fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME); \
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) \
91: { register int sp = 0, lp = 0; \
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; } \
107: putc ('\n', (FILE)); }
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:
179: /* The prologue is identical to the one in m68k.h except that the
180: assembler syntax is different. */
181:
182: #undef FUNCTION_PROLOGUE
183: #define FUNCTION_PROLOGUE(FILE, SIZE) \
184: { register int regno; \
185: register int mask = 0; \
186: extern char call_used_regs[]; \
187: int fsize = ((SIZE) + 3) & -4; \
188: if (frame_pointer_needed) \
189: { if (TARGET_68020 || fsize < 0x8000) \
190: fprintf (FILE, "\tlink %%a6,&%d\n", -fsize); \
191: else \
192: fprintf (FILE, "\tlink %%a6,&0\n\tsub.l &%d,%%sp\n", fsize); } \
193: for (regno = 16; regno < 24; regno++) \
194: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
195: mask |= 1 << (regno - 16); \
196: if ((mask & 0xff) != 0) \
197: fprintf (FILE, "\tfmovm &0x%x,-(%%sp)\n", mask & 0xff); \
198: mask = 0; \
199: for (regno = 0; regno < 16; regno++) \
200: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
201: mask |= 1 << (15 - regno); \
202: if (frame_pointer_needed) \
203: mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \
204: if (exact_log2 (mask) >= 0) \
205: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[15 - exact_log2 (mask)]); \
206: else if (mask) fprintf (FILE, "\tmovm.l &0x%x,-(%%sp)\n", mask); }
207:
208: /* The epilogue is identical to the one in m68k.h except that:
209: a) The assembler syntax is different.
210: b) Pointers are returned both in %d0 and %a0.
211: c) FUNCTION_EXTRA_EPILOGUE is not needed. */
212:
213: #undef FUNCTION_EPILOGUE
214: #define FUNCTION_EPILOGUE(FILE, SIZE) \
215: { register int regno; \
216: register int mask, fmask; \
217: register int nregs; \
218: int offset, foffset; \
219: extern char call_used_regs[]; \
220: int fsize = ((SIZE) + 3) & -4; \
221: int big = 0; \
222: nregs = 0; fmask = 0; \
223: for (regno = 16; regno < 24; regno++) \
224: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
225: { nregs++; fmask |= 1 << (23 - regno); } \
226: foffset = nregs * 12; \
227: nregs = 0; mask = 0; \
228: if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \
229: for (regno = 0; regno < 16; regno++) \
230: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
231: { nregs++; mask |= 1 << regno; } \
232: offset = foffset + nregs * 4; \
233: if (offset + fsize >= 0x8000 \
234: && frame_pointer_needed \
235: && (mask || fmask)) \
236: { fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \
237: fsize = 0, big = 1; } \
238: if (exact_log2 (mask) >= 0) { \
239: if (big) \
240: fprintf (FILE, "\tmov.l -%d(%%a6,%%a0.l),%s\n", \
241: offset + fsize, reg_names[exact_log2 (mask)]); \
242: else if (! frame_pointer_needed) \
243: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", \
244: reg_names[exact_log2 (mask)]); \
245: else \
246: fprintf (FILE, "\tmov.l -%d(%%a6),%s\n", \
247: offset + fsize, reg_names[exact_log2 (mask)]); } \
248: else if (mask) { \
249: if (big) \
250: fprintf (FILE, "\tmovm.l -%d(%%a6,%%a0.l),&0x%x\n", \
251: offset + fsize, mask); \
252: else if (! frame_pointer_needed) \
253: fprintf (FILE, "\tmovm.l (%%sp)+,&0x%x\n", mask); \
254: else \
255: fprintf (FILE, "\tmovm.l -%d(%%a6),&0x%x\n", \
256: offset + fsize, mask); } \
257: if (fmask) { \
258: if (big) \
259: fprintf (FILE, "\tfmovm -%d(%%a6,%%a0.l),&0x%x\n", \
260: foffset + fsize, fmask); \
261: else if (! frame_pointer_needed) \
262: fprintf (FILE, "\tfmovm (%%sp)+,&0x%x\n", fmask); \
263: else \
264: fprintf (FILE, "\tfmovm -%d(%%a6),&0x%x\n", \
265: foffset + fsize, fmask); } \
266: if (current_function_returns_pointer) \
267: fprintf (FILE, "\tmov.l %%d0,%%a0\n"); \
268: if (frame_pointer_needed) \
269: fprintf (FILE, "\tunlk %%a6\n"); \
270: if (current_function_pops_args) \
271: fprintf (FILE, "\trtd &%d\n", current_function_pops_args); \
272: else fprintf (FILE, "\trts\n"); }
273:
274: /* This is how to output an insn to push a register on the stack.
275: It need not be very fast code. */
276:
277: #undef ASM_OUTPUT_REG_PUSH
278: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
279: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO])
280:
281: /* This is how to output an insn to pop a register from the stack.
282: It need not be very fast code. */
283:
284: #undef ASM_OUTPUT_REG_POP
285: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
286: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO])
287:
288: #undef ASM_FILE_START
289: #define ASM_FILE_START(FILE) \
290: ( fprintf (FILE, "#NO_APP\n"), \
291: output_file_directive ((FILE), main_input_filename))
292:
293: #undef TEXT_SECTION_ASM_OP
294: #define TEXT_SECTION_ASM_OP "text"
295:
296: #undef DATA_SECTION_ASM_OP
297: #define DATA_SECTION_ASM_OP "data"
298:
299: /* This says how to output an assembler line to define a global common symbol.
300: We use SIZE rather than ROUNDED, as this is what the native cc does. */
301:
302: #undef ASM_OUTPUT_COMMON
303: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
304: ( fputs ("\tcomm ", (FILE)), \
305: assemble_name ((FILE), (NAME)), \
306: fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (SIZE)))
307:
308: /* This says how to output an assembler line to define a local common symbol.
309: We use SIZE rather than ROUNDED, as this is what the native cc does. */
310:
311: #undef ASM_OUTPUT_LOCAL
312: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
313: ( fputs ("\tlcomm ", (FILE)), \
314: assemble_name ((FILE), (NAME)), \
315: fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (SIZE)))
316:
317: /* Store in OUTPUT a string (made with alloca) containing
318: an assembler-name for a local static variable named NAME.
319: LABELNO is an integer which is different for each call. */
320:
321: #undef ASM_FORMAT_PRIVATE_NAME
322: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
323: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 11), \
324: sprintf ((OUTPUT), "%s%%%%%d", (NAME), (LABELNO)))
325:
326: /* This is the command to make the user-level label named NAME
327: defined for reference from other files. */
328:
329: #undef GLOBAL_ASM_OP
330: #define GLOBAL_ASM_OP "global"
331:
332: #undef ASM_GENERATE_INTERNAL_LABEL
333: #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
334: sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM))
335:
336: #undef ASM_OUTPUT_INTERNAL_LABEL
337: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
338: fprintf ((FILE), "%s%%%d:\n", (PREFIX), (NUM))
339:
340: #undef ASM_OUTPUT_CASE_LABEL
341: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
342: fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \
343: XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)); \
344:
345: #undef ASM_OUTPUT_DOUBLE
346: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
347: do { long l[2]; \
348: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
349: fprintf (FILE, "\tlong 0x%x,0x%x\n", l[0], l[1]); \
350: } while (0)
351:
352: #undef ASM_OUTPUT_LONG_DOUBLE
353: #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
354: do { long l[3]; \
355: REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
356: fprintf (FILE, "\tlong 0x%x,0x%x,0x%x\n", l[0], l[1], l[2]); \
357: } while (0)
358:
359: #undef ASM_OUTPUT_FLOAT
360: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
361: do { long l; \
362: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
363: fprintf ((FILE), "\tlong 0x%x\n", l); \
364: } while (0)
365:
366: /* This is how to output an assembler line defining an `int' constant. */
367:
368: #undef ASM_OUTPUT_INT
369: #define ASM_OUTPUT_INT(FILE,VALUE) \
370: ( fprintf (FILE, "\tlong "), \
371: output_addr_const (FILE, (VALUE)), \
372: fprintf (FILE, "\n"))
373:
374: /* Likewise for `char' and `short' constants. */
375:
376: #undef ASM_OUTPUT_SHORT
377: #define ASM_OUTPUT_SHORT(FILE,VALUE) \
378: ( fprintf (FILE, "\tshort "), \
379: output_addr_const (FILE, (VALUE)), \
380: fprintf (FILE, "\n"))
381:
382: #undef ASM_OUTPUT_CHAR
383: #define ASM_OUTPUT_CHAR(FILE,VALUE) \
384: ( fprintf (FILE, "\tbyte "), \
385: output_addr_const (FILE, (VALUE)), \
386: fprintf (FILE, "\n"))
387:
388: /* This is how to output an assembler line for a numeric constant byte. */
389:
390: #undef ASM_OUTPUT_BYTE
391: #define ASM_OUTPUT_BYTE(FILE,VALUE) \
392: fprintf (FILE, "\tbyte 0x%x\n", (VALUE))
393:
394: #undef ASM_OUTPUT_ADDR_VEC_ELT
395: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
396: fprintf (FILE, "\tlong L%%%d\n", (VALUE))
397:
398: #undef ASM_OUTPUT_ADDR_DIFF_ELT
399: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
400: fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL))
401:
402: #undef ASM_OUTPUT_ALIGN
403: #define ASM_OUTPUT_ALIGN(FILE,LOG) \
404: if ((LOG) == 1) \
405: fprintf (FILE, "\teven\n"); \
406: else if ((LOG) != 0) \
407: abort ();
408:
409: #undef ASM_OUTPUT_SKIP
410: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
411: fprintf (FILE, "\tspace %d\n", (SIZE))
412:
413: #undef PRINT_OPERAND
414: #define PRINT_OPERAND(FILE, X, CODE) \
415: { if (CODE == '.') fprintf (FILE, "."); \
416: else if (CODE == '#') fprintf (FILE, "&"); \
417: else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \
418: else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \
419: else if (CODE == '@') fprintf (FILE, "(%%sp)"); \
420: else if (CODE == '!') fprintf (FILE, "%%fpcr"); \
421: else if (CODE == '/') \
422: fprintf (FILE, "%%"); \
423: else if (CODE == '$') { if (TARGET_68040_ONLY) fprintf (FILE, "s"); } \
424: else if (CODE == '&') { if (TARGET_68040_ONLY) fprintf (FILE, "d"); } \
425: else if (GET_CODE (X) == REG) \
426: fprintf (FILE, "%s", reg_names[REGNO (X)]); \
427: else if (GET_CODE (X) == MEM) \
428: output_address (XEXP (X, 0)); \
429: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \
430: { REAL_VALUE_TYPE r; long l; \
431: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
432: REAL_VALUE_TO_TARGET_SINGLE (r, l); \
433: fprintf (FILE, "&0x%x", l); } \
434: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \
435: { REAL_VALUE_TYPE r; int i[2]; \
436: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
437: REAL_VALUE_TO_TARGET_DOUBLE (r, i); \
438: fprintf (FILE, "&0x%x%08x", i[0], i[1]); } \
439: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == XFmode) \
440: { REAL_VALUE_TYPE r; \
441: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
442: ASM_OUTPUT_LONG_DOUBLE_OPERAND (FILE, r); } \
443: else { putc ('&', FILE); output_addr_const (FILE, X); }}
444:
445: /* Note that this contains a kludge that knows that the only reason
446: we have an address (plus (label_ref...) (reg...))
447: is in the insn before a tablejump, and we know that the table is
448: exactly 10 bytes away. */
449:
450: #undef PRINT_OPERAND_ADDRESS
451: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
452: { register rtx reg1, reg2, breg, ireg; \
453: register rtx addr = ADDR; \
454: rtx offset; \
455: switch (GET_CODE (addr)) \
456: { \
457: case REG: \
458: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
459: break; \
460: case PRE_DEC: \
461: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
462: break; \
463: case POST_INC: \
464: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
465: break; \
466: case PLUS: \
467: reg1 = 0; reg2 = 0; \
468: ireg = 0; breg = 0; \
469: offset = 0; \
470: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
471: { \
472: offset = XEXP (addr, 0); \
473: addr = XEXP (addr, 1); \
474: } \
475: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
476: { \
477: offset = XEXP (addr, 1); \
478: addr = XEXP (addr, 0); \
479: } \
480: if (GET_CODE (addr) != PLUS) ; \
481: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
482: { \
483: reg1 = XEXP (addr, 0); \
484: addr = XEXP (addr, 1); \
485: } \
486: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
487: { \
488: reg1 = XEXP (addr, 1); \
489: addr = XEXP (addr, 0); \
490: } \
491: else if (GET_CODE (XEXP (addr, 0)) == MULT) \
492: { \
493: reg1 = XEXP (addr, 0); \
494: addr = XEXP (addr, 1); \
495: } \
496: else if (GET_CODE (XEXP (addr, 1)) == MULT) \
497: { \
498: reg1 = XEXP (addr, 1); \
499: addr = XEXP (addr, 0); \
500: } \
501: else if (GET_CODE (XEXP (addr, 0)) == REG) \
502: { \
503: reg1 = XEXP (addr, 0); \
504: addr = XEXP (addr, 1); \
505: } \
506: else if (GET_CODE (XEXP (addr, 1)) == REG) \
507: { \
508: reg1 = XEXP (addr, 1); \
509: addr = XEXP (addr, 0); \
510: } \
511: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
512: || GET_CODE (addr) == SIGN_EXTEND) \
513: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
514: /* for OLD_INDEXING \
515: else if (GET_CODE (addr) == PLUS) \
516: { \
517: if (GET_CODE (XEXP (addr, 0)) == REG) \
518: { \
519: reg2 = XEXP (addr, 0); \
520: addr = XEXP (addr, 1); \
521: } \
522: else if (GET_CODE (XEXP (addr, 1)) == REG) \
523: { \
524: reg2 = XEXP (addr, 1); \
525: addr = XEXP (addr, 0); \
526: } \
527: } \
528: */ \
529: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
530: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
531: || GET_CODE (reg1) == MULT)) \
532: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
533: { breg = reg2; ireg = reg1; } \
534: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
535: { breg = reg1; ireg = reg2; } \
536: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
537: { int scale = 1; \
538: if (GET_CODE (ireg) == MULT) \
539: { scale = INTVAL (XEXP (ireg, 1)); \
540: ireg = XEXP (ireg, 0); } \
541: if (GET_CODE (ireg) == SIGN_EXTEND) \
542: fprintf (FILE, "10(%%pc,%s.w", \
543: reg_names[REGNO (XEXP (ireg, 0))]); \
544: else \
545: fprintf (FILE, "10(%%pc,%s.l", \
546: reg_names[REGNO (ireg)]); \
547: if (scale != 1) fprintf (FILE, "*%d", scale); \
548: putc (')', FILE); \
549: break; } \
550: if (ireg != 0 || breg != 0) \
551: { int scale = 1; \
552: if (breg == 0) \
553: abort (); \
554: if (addr != 0) \
555: output_addr_const (FILE, addr); \
556: fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \
557: if (ireg != 0) \
558: putc (',', FILE); \
559: if (ireg != 0 && GET_CODE (ireg) == MULT) \
560: { scale = INTVAL (XEXP (ireg, 1)); \
561: ireg = XEXP (ireg, 0); } \
562: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
563: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
564: else if (ireg != 0) \
565: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
566: if (scale != 1) fprintf (FILE, "*%d", scale); \
567: putc (')', FILE); \
568: break; \
569: } \
570: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
571: { fprintf (FILE, "10(%%pc,%s.w)", \
572: reg_names[REGNO (reg1)]); \
573: break; } \
574: default: \
575: output_addr_const (FILE, addr); \
576: }}
577:
578:
579:
580: /* Override usual definitions of SDB output macros.
581: These definitions differ only in the absence of the period
582: at the beginning of the name of the directive
583: and in the use of `~' as the symbol for the current location. */
584:
585: #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a))
586: #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a))
587: #define PUT_SDB_VAL(a) \
588: ( fputs ("\tval\t", asm_out_file), \
589: output_addr_const (asm_out_file, (a)), \
590: fputc (';', asm_out_file))
591:
592: #define PUT_SDB_DEF(a) \
593: do { fprintf (asm_out_file, "\tdef\t"); \
594: ASM_OUTPUT_LABELREF (asm_out_file, a); \
595: fprintf (asm_out_file, ";"); } while (0)
596:
597: #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a)
598: #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file)
599: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a)
600: #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a)
601: #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t")
602: #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a)
603: #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a)
604:
605: #define PUT_SDB_TAG(a) \
606: do { fprintf (asm_out_file, "\ttag\t"); \
607: ASM_OUTPUT_LABELREF (asm_out_file, a); \
608: fprintf (asm_out_file, ";"); } while (0)
609:
610: #define PUT_SDB_BLOCK_START(LINE) \
611: fprintf (asm_out_file, \
612: "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
613: (LINE))
614:
615: #define PUT_SDB_BLOCK_END(LINE) \
616: fprintf (asm_out_file, \
617: "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
618: (LINE))
619:
620: #define PUT_SDB_FUNCTION_START(LINE) \
621: fprintf (asm_out_file, \
622: "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
623: (LINE))
624:
625: #define PUT_SDB_FUNCTION_END(LINE) \
626: fprintf (asm_out_file, \
627: "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
628: (LINE))
629:
630: #define PUT_SDB_EPILOGUE_END(NAME) \
631: fprintf (asm_out_file, \
632: "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \
633: (NAME))
634:
635: #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
636: sprintf ((BUFFER), "~%dfake", (NUMBER));
637:
638: #define NO_DOLLAR_IN_LABEL
639: #define NO_DOT_IN_LABEL
640:
641: /* The usual definitions don't work because neither $ nor . is allowed. */
642: #define CONSTRUCTOR_NAME_FORMAT "_GLOBAL_%%I\%%%s"
643:
644: /* Define a few machine-specific details
645: of the implementation of constructors.
646:
647: The __CTORS_LIST__ goes in the .init section. Define CTOR_LIST_BEGIN
648: and CTOR_LIST_END to contribute to the .init section an instruction to
649: push a word containing 0 (or some equivalent of that).
650:
651: ASM_OUTPUT_CONSTRUCTOR should be defined
652: to push the address of the constructor. */
653:
654: #define ASM_LONG "\tlong"
655: #undef INIT_SECTION_ASM_OP
656: #define INIT_SECTION_ASM_OP "section\t~init"
657: #undef FINI_SECTION_ASM_OP
658: #define FINI_SECTION_ASM_OP "section\t~fini"
659: #undef CONST_SECTION_ASM_OP
660: #define CONST_SECTION_ASM_OP "section\t~rodata"
661:
662: #define CTOR_LIST_BEGIN \
663: asm (INIT_SECTION_ASM_OP); \
664: asm ("clr.l -(%sp)")
665: #define CTOR_LIST_END CTOR_LIST_BEGIN
666:
667: #define BSS_SECTION_ASM_OP "section\t~bss"
668:
669: #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
670: do { \
671: init_section (); \
672: fprintf (FILE, "\tmov.l &"); \
673: assemble_name (FILE, NAME); \
674: fprintf (FILE, ",-(%%sp)\n"); \
675: } while (0)
676:
677: /* We do not want leading underscores. */
678:
679: #undef ASM_OUTPUT_LABELREF
680: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
681: fprintf (FILE, "%s", NAME)
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