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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 -D__motorola__ -Asystem(unix) -Asystem(svr3) -Acpu(m68k) -Amachine(m68k)"
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"); \
75: output_quoted_string (FILE, FILENAME); \
76: fprintf (FILE, "\n"); \
77: fprintf (FILE, "section ~init,\"x\"\n"); \
78: fprintf (FILE, "section ~fini,\"x\"\n"); \
79: fprintf (FILE, "section ~rodata,\"x\"\n"); \
80: fprintf (FILE, "text\n"); \
81: } while (0)
82:
83: #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
84: fprintf (FILE, "\tln\t%d\n", \
85: (sdb_begin_function_line \
86: ? last_linenum - sdb_begin_function_line : 1))
87:
88: #undef ASM_OUTPUT_IDENT
89: #define ASM_OUTPUT_IDENT(FILE, NAME) \
90: fprintf (FILE, "\tident\t\"%s\" \n", NAME)
91:
92: #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
93: { register int sp = 0, lp = 0; \
94: fprintf ((FILE), "\tbyte\t"); \
95: loop: \
96: if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
97: { lp += 3; \
98: fprintf ((FILE), "'%c", (PTR)[sp]); } \
99: else \
100: { lp += 5; \
101: fprintf ((FILE), "0x%x", (PTR)[sp]); } \
102: if (++sp < (LEN)) \
103: { if (lp > 60) \
104: { lp = 0; \
105: fprintf ((FILE), "\n\tbyte\t"); } \
106: else \
107: putc (',', (FILE)); \
108: goto loop; } \
109: putc ('\n', (FILE)); }
110:
111: /* Translate Motorola opcodes such as `jbeq'
112: into SGS/Tower opcodes such as `beq.w'.
113: Change `move' to `mov'.
114: Change `cmpm' to `cmp'.
115: Change `divsl' to `tdivs'.
116: Change `divul' to `tdivu'.
117: Change `ftst' to `ftest'.
118: Change `fmove' to `fmov'. */
119:
120: #define ASM_OUTPUT_OPCODE(FILE, PTR) \
121: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
122: { ++(PTR); \
123: while (*(PTR) != ' ') \
124: { putc (*(PTR), (FILE)); ++(PTR); } \
125: fprintf ((FILE), ".w"); } \
126: else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \
127: && (PTR)[2] == 'v' && (PTR)[3] == 'e') \
128: { fprintf ((FILE), "mov"); (PTR) += 4; } \
129: else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \
130: && (PTR)[2] == 'p' && (PTR)[3] == 'm') \
131: { fprintf ((FILE), "cmp"); (PTR) += 4; } \
132: else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \
133: && (PTR)[2] == 'v' && (PTR)[3] == 's' \
134: && (PTR)[4] == 'l') \
135: { fprintf ((FILE), "tdivs"); (PTR) += 5; } \
136: else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \
137: && (PTR)[2] == 'v' && (PTR)[3] == 'u' \
138: && (PTR)[4] == 'l') \
139: { fprintf ((FILE), "tdivu"); (PTR) += 5; } \
140: else if ((PTR)[0] == 'f' && (PTR)[1] == 't' \
141: && (PTR)[2] == 's' && (PTR)[3] == 't') \
142: { fprintf ((FILE), "ftest"); (PTR) += 4; } \
143: else if ((PTR)[0] == 'f' && (PTR)[1] == 'm' \
144: && (PTR)[2] == 'o' && (PTR)[3] == 'v' \
145: && (PTR)[4] == 'e') \
146: { fprintf ((FILE), "fmov"); (PTR) += 5; } \
147: }
148:
149:
150:
151: /* Override parts of m68k.h to fit the Tower assembler.
152: This section needs to track changes done to m68k.h in the future. */
153:
154: #undef TARGET_VERSION
155: #define TARGET_VERSION fprintf (stderr, " (68k, Motorola/SGS/Tower32 syntax)");
156:
157: #undef FUNCTION_BLOCK_PROFILER
158: #define FUNCTION_BLOCK_PROFILER(FILE, LABELNO) \
159: do { \
160: char label1[20], label2[20]; \
161: ASM_GENERATE_INTERNAL_LABEL (label1, "LPBX", 0); \
162: ASM_GENERATE_INTERNAL_LABEL (label2, "LPI", LABELNO); \
163: fprintf (FILE, "\ttst.l %s\n\tbne %s\n\tpea %s\n\tjsr __bb_init_func\n\taddq.l &4,%%sp\n", \
164: label1, label2, label1); \
165: ASM_OUTPUT_INTERNAL_LABEL (FILE, "LPI", LABELNO); \
166: putc ('\n', FILE); \
167: } while (0)
168:
169: #undef BLOCK_PROFILER
170: #define BLOCK_PROFILER(FILE, BLOCKNO) \
171: do { \
172: char label[20]; \
173: ASM_GENERATE_INTERNAL_LABEL (label, "LPBX", 2); \
174: fprintf (FILE, "\taddq.l &1,%s+%d\n", label, 4 * BLOCKNO); \
175: } while (0)
176:
177: #undef FUNCTION_PROFILER
178: #define FUNCTION_PROFILER(FILE, LABEL_NO) \
179: fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO))
180:
181: /* The prologue is identical to the one in m68k.h except that the
182: assembler syntax is different. */
183:
184: #undef FUNCTION_PROLOGUE
185: #define FUNCTION_PROLOGUE(FILE, SIZE) \
186: { register int regno; \
187: register int mask = 0; \
188: extern char call_used_regs[]; \
189: int fsize = ((SIZE) + 3) & -4; \
190: if (frame_pointer_needed) \
191: { if (TARGET_68020 || fsize < 0x8000) \
192: fprintf (FILE, "\tlink %%a6,&%d\n", -fsize); \
193: else \
194: fprintf (FILE, "\tlink %%a6,&0\n\tsub.l &%d,%%sp\n", fsize); } \
195: for (regno = 16; regno < 24; regno++) \
196: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
197: mask |= 1 << (regno - 16); \
198: if ((mask & 0xff) != 0) \
199: fprintf (FILE, "\tfmovm &0x%x,-(%%sp)\n", mask & 0xff); \
200: mask = 0; \
201: for (regno = 0; regno < 16; regno++) \
202: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
203: mask |= 1 << (15 - regno); \
204: if (frame_pointer_needed) \
205: mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \
206: if (exact_log2 (mask) >= 0) \
207: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[15 - exact_log2 (mask)]); \
208: else if (mask) fprintf (FILE, "\tmovm.l &0x%x,-(%%sp)\n", mask); }
209:
210: /* The epilogue is identical to the one in m68k.h except that:
211: a) The assembler syntax is different.
212: b) Pointers are returned both in %d0 and %a0.
213: c) FUNCTION_EXTRA_EPILOGUE is not needed. */
214:
215: #undef FUNCTION_EPILOGUE
216: #define FUNCTION_EPILOGUE(FILE, SIZE) \
217: { register int regno; \
218: register int mask, fmask; \
219: register int nregs; \
220: int offset, foffset; \
221: extern char call_used_regs[]; \
222: int fsize = ((SIZE) + 3) & -4; \
223: int big = 0; \
224: nregs = 0; fmask = 0; \
225: for (regno = 16; regno < 24; regno++) \
226: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
227: { nregs++; fmask |= 1 << (23 - regno); } \
228: foffset = nregs * 12; \
229: nregs = 0; mask = 0; \
230: if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \
231: for (regno = 0; regno < 16; regno++) \
232: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
233: { nregs++; mask |= 1 << regno; } \
234: offset = foffset + nregs * 4; \
235: if (offset + fsize >= 0x8000 \
236: && frame_pointer_needed \
237: && (mask || fmask)) \
238: { fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \
239: fsize = 0, big = 1; } \
240: if (exact_log2 (mask) >= 0) { \
241: if (big) \
242: fprintf (FILE, "\tmov.l -%d(%%a6,%%a0.l),%s\n", \
243: offset + fsize, reg_names[exact_log2 (mask)]); \
244: else if (! frame_pointer_needed) \
245: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", \
246: reg_names[exact_log2 (mask)]); \
247: else \
248: fprintf (FILE, "\tmov.l -%d(%%a6),%s\n", \
249: offset + fsize, reg_names[exact_log2 (mask)]); } \
250: else if (mask) { \
251: if (big) \
252: fprintf (FILE, "\tmovm.l -%d(%%a6,%%a0.l),&0x%x\n", \
253: offset + fsize, mask); \
254: else if (! frame_pointer_needed) \
255: fprintf (FILE, "\tmovm.l (%%sp)+,&0x%x\n", mask); \
256: else \
257: fprintf (FILE, "\tmovm.l -%d(%%a6),&0x%x\n", \
258: offset + fsize, mask); } \
259: if (fmask) { \
260: if (big) \
261: fprintf (FILE, "\tfmovm -%d(%%a6,%%a0.l),&0x%x\n", \
262: foffset + fsize, fmask); \
263: else if (! frame_pointer_needed) \
264: fprintf (FILE, "\tfmovm (%%sp)+,&0x%x\n", fmask); \
265: else \
266: fprintf (FILE, "\tfmovm -%d(%%a6),&0x%x\n", \
267: foffset + fsize, fmask); } \
268: if (current_function_returns_pointer) \
269: fprintf (FILE, "\tmov.l %%d0,%%a0\n"); \
270: if (frame_pointer_needed) \
271: fprintf (FILE, "\tunlk %%a6\n"); \
272: if (current_function_pops_args) \
273: fprintf (FILE, "\trtd &%d\n", current_function_pops_args); \
274: else fprintf (FILE, "\trts\n"); }
275:
276: /* This is how to output an insn to push a register on the stack.
277: It need not be very fast code. */
278:
279: #undef ASM_OUTPUT_REG_PUSH
280: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
281: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO])
282:
283: /* This is how to output an insn to pop a register from the stack.
284: It need not be very fast code. */
285:
286: #undef ASM_OUTPUT_REG_POP
287: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
288: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO])
289:
290: #undef ASM_FILE_START
291: #define ASM_FILE_START(FILE) \
292: ( fprintf (FILE, "#NO_APP\n"), \
293: output_file_directive ((FILE), main_input_filename))
294:
295: #undef TEXT_SECTION_ASM_OP
296: #define TEXT_SECTION_ASM_OP "text"
297:
298: #undef DATA_SECTION_ASM_OP
299: #define DATA_SECTION_ASM_OP "data"
300:
301: /* This says how to output an assembler line to define a global common symbol.
302: We use SIZE rather than ROUNDED, as this is what the native cc does. */
303:
304: #undef ASM_OUTPUT_COMMON
305: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
306: ( fputs ("\tcomm ", (FILE)), \
307: assemble_name ((FILE), (NAME)), \
308: fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (SIZE)))
309:
310: /* This says how to output an assembler line to define a local common symbol.
311: We use SIZE rather than ROUNDED, as this is what the native cc does. */
312:
313: #undef ASM_OUTPUT_LOCAL
314: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
315: ( fputs ("\tlcomm ", (FILE)), \
316: assemble_name ((FILE), (NAME)), \
317: fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (SIZE)))
318:
319: /* Store in OUTPUT a string (made with alloca) containing
320: an assembler-name for a local static variable named NAME.
321: LABELNO is an integer which is different for each call. */
322:
323: #undef ASM_FORMAT_PRIVATE_NAME
324: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
325: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 11), \
326: sprintf ((OUTPUT), "%s%%%%%d", (NAME), (LABELNO)))
327:
328: /* This is the command to make the user-level label named NAME
329: defined for reference from other files. */
330:
331: #undef GLOBAL_ASM_OP
332: #define GLOBAL_ASM_OP "global"
333:
334: #undef ASM_GENERATE_INTERNAL_LABEL
335: #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
336: sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM))
337:
338: #undef ASM_OUTPUT_INTERNAL_LABEL
339: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
340: fprintf ((FILE), "%s%%%d:\n", (PREFIX), (NUM))
341:
342: #undef ASM_OUTPUT_CASE_LABEL
343: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
344: fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \
345: XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)); \
346:
347: #undef ASM_OUTPUT_DOUBLE
348: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
349: do { long l[2]; \
350: REAL_VALUE_TO_TARGET_DOUBLE (VALUE, l); \
351: fprintf (FILE, "\tlong 0x%x,0x%x\n", l[0], l[1]); \
352: } while (0)
353:
354: #undef ASM_OUTPUT_LONG_DOUBLE
355: #define ASM_OUTPUT_LONG_DOUBLE(FILE,VALUE) \
356: do { long l[3]; \
357: REAL_VALUE_TO_TARGET_LONG_DOUBLE (VALUE, l); \
358: fprintf (FILE, "\tlong 0x%x,0x%x,0x%x\n", l[0], l[1], l[2]); \
359: } while (0)
360:
361: #undef ASM_OUTPUT_FLOAT
362: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
363: do { long l; \
364: REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \
365: fprintf ((FILE), "\tlong 0x%x\n", l); \
366: } while (0)
367:
368: /* This is how to output an assembler line defining an `int' constant. */
369:
370: #undef ASM_OUTPUT_INT
371: #define ASM_OUTPUT_INT(FILE,VALUE) \
372: ( fprintf (FILE, "\tlong "), \
373: output_addr_const (FILE, (VALUE)), \
374: fprintf (FILE, "\n"))
375:
376: /* Likewise for `char' and `short' constants. */
377:
378: #undef ASM_OUTPUT_SHORT
379: #define ASM_OUTPUT_SHORT(FILE,VALUE) \
380: ( fprintf (FILE, "\tshort "), \
381: output_addr_const (FILE, (VALUE)), \
382: fprintf (FILE, "\n"))
383:
384: #undef ASM_OUTPUT_CHAR
385: #define ASM_OUTPUT_CHAR(FILE,VALUE) \
386: ( fprintf (FILE, "\tbyte "), \
387: output_addr_const (FILE, (VALUE)), \
388: fprintf (FILE, "\n"))
389:
390: /* This is how to output an assembler line for a numeric constant byte. */
391:
392: #undef ASM_OUTPUT_BYTE
393: #define ASM_OUTPUT_BYTE(FILE,VALUE) \
394: fprintf (FILE, "\tbyte 0x%x\n", (VALUE))
395:
396: #undef ASM_OUTPUT_ADDR_VEC_ELT
397: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
398: fprintf (FILE, "\tlong L%%%d\n", (VALUE))
399:
400: #undef ASM_OUTPUT_ADDR_DIFF_ELT
401: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
402: fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL))
403:
404: #undef ASM_OUTPUT_ALIGN
405: #define ASM_OUTPUT_ALIGN(FILE,LOG) \
406: if ((LOG) == 1) \
407: fprintf (FILE, "\teven\n"); \
408: else if ((LOG) != 0) \
409: abort ();
410:
411: #undef ASM_OUTPUT_SKIP
412: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
413: fprintf (FILE, "\tspace %d\n", (SIZE))
414:
415: #undef PRINT_OPERAND
416: #define PRINT_OPERAND(FILE, X, CODE) \
417: { if (CODE == '.') fprintf (FILE, "."); \
418: else if (CODE == '#') fprintf (FILE, "&"); \
419: else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \
420: else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \
421: else if (CODE == '@') fprintf (FILE, "(%%sp)"); \
422: else if (CODE == '!') fprintf (FILE, "%%fpcr"); \
423: else if (CODE == '/') \
424: fprintf (FILE, "%%"); \
425: else if (CODE == '$') { if (TARGET_68040_ONLY) fprintf (FILE, "s"); } \
426: else if (CODE == '&') { if (TARGET_68040_ONLY) fprintf (FILE, "d"); } \
427: else if (GET_CODE (X) == REG) \
428: fprintf (FILE, "%s", reg_names[REGNO (X)]); \
429: else if (GET_CODE (X) == MEM) \
430: output_address (XEXP (X, 0)); \
431: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \
432: { REAL_VALUE_TYPE r; long l; \
433: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
434: REAL_VALUE_TO_TARGET_SINGLE (r, l); \
435: fprintf (FILE, "&0x%x", l); } \
436: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \
437: { REAL_VALUE_TYPE r; int i[2]; \
438: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
439: REAL_VALUE_TO_TARGET_DOUBLE (r, i); \
440: fprintf (FILE, "&0x%x%08x", i[0], i[1]); } \
441: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == XFmode) \
442: { REAL_VALUE_TYPE r; \
443: REAL_VALUE_FROM_CONST_DOUBLE (r, X); \
444: ASM_OUTPUT_LONG_DOUBLE_OPERAND (FILE, r); } \
445: else { putc ('&', FILE); output_addr_const (FILE, X); }}
446:
447: /* Note that this contains a kludge that knows that the only reason
448: we have an address (plus (label_ref...) (reg...))
449: is in the insn before a tablejump, and we know that the table is
450: exactly 10 bytes away. */
451:
452: #undef PRINT_OPERAND_ADDRESS
453: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
454: { register rtx reg1, reg2, breg, ireg; \
455: register rtx addr = ADDR; \
456: rtx offset; \
457: switch (GET_CODE (addr)) \
458: { \
459: case REG: \
460: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
461: break; \
462: case PRE_DEC: \
463: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
464: break; \
465: case POST_INC: \
466: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
467: break; \
468: case PLUS: \
469: reg1 = 0; reg2 = 0; \
470: ireg = 0; breg = 0; \
471: offset = 0; \
472: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
473: { \
474: offset = XEXP (addr, 0); \
475: addr = XEXP (addr, 1); \
476: } \
477: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
478: { \
479: offset = XEXP (addr, 1); \
480: addr = XEXP (addr, 0); \
481: } \
482: if (GET_CODE (addr) != PLUS) ; \
483: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
484: { \
485: reg1 = XEXP (addr, 0); \
486: addr = XEXP (addr, 1); \
487: } \
488: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
489: { \
490: reg1 = XEXP (addr, 1); \
491: addr = XEXP (addr, 0); \
492: } \
493: else if (GET_CODE (XEXP (addr, 0)) == MULT) \
494: { \
495: reg1 = XEXP (addr, 0); \
496: addr = XEXP (addr, 1); \
497: } \
498: else if (GET_CODE (XEXP (addr, 1)) == MULT) \
499: { \
500: reg1 = XEXP (addr, 1); \
501: addr = XEXP (addr, 0); \
502: } \
503: else if (GET_CODE (XEXP (addr, 0)) == REG) \
504: { \
505: reg1 = XEXP (addr, 0); \
506: addr = XEXP (addr, 1); \
507: } \
508: else if (GET_CODE (XEXP (addr, 1)) == REG) \
509: { \
510: reg1 = XEXP (addr, 1); \
511: addr = XEXP (addr, 0); \
512: } \
513: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
514: || GET_CODE (addr) == SIGN_EXTEND) \
515: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
516: /* for OLD_INDEXING \
517: else if (GET_CODE (addr) == PLUS) \
518: { \
519: if (GET_CODE (XEXP (addr, 0)) == REG) \
520: { \
521: reg2 = XEXP (addr, 0); \
522: addr = XEXP (addr, 1); \
523: } \
524: else if (GET_CODE (XEXP (addr, 1)) == REG) \
525: { \
526: reg2 = XEXP (addr, 1); \
527: addr = XEXP (addr, 0); \
528: } \
529: } \
530: */ \
531: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
532: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
533: || GET_CODE (reg1) == MULT)) \
534: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
535: { breg = reg2; ireg = reg1; } \
536: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
537: { breg = reg1; ireg = reg2; } \
538: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
539: { int scale = 1; \
540: if (GET_CODE (ireg) == MULT) \
541: { scale = INTVAL (XEXP (ireg, 1)); \
542: ireg = XEXP (ireg, 0); } \
543: if (GET_CODE (ireg) == SIGN_EXTEND) \
544: fprintf (FILE, "10(%%pc,%s.w", \
545: reg_names[REGNO (XEXP (ireg, 0))]); \
546: else \
547: fprintf (FILE, "10(%%pc,%s.l", \
548: reg_names[REGNO (ireg)]); \
549: if (scale != 1) fprintf (FILE, "*%d", scale); \
550: putc (')', FILE); \
551: break; } \
552: if (ireg != 0 || breg != 0) \
553: { int scale = 1; \
554: if (breg == 0) \
555: abort (); \
556: if (addr != 0) \
557: output_addr_const (FILE, addr); \
558: fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \
559: if (ireg != 0) \
560: putc (',', FILE); \
561: if (ireg != 0 && GET_CODE (ireg) == MULT) \
562: { scale = INTVAL (XEXP (ireg, 1)); \
563: ireg = XEXP (ireg, 0); } \
564: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
565: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
566: else if (ireg != 0) \
567: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
568: if (scale != 1) fprintf (FILE, "*%d", scale); \
569: putc (')', FILE); \
570: break; \
571: } \
572: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
573: { fprintf (FILE, "10(%%pc,%s.w)", \
574: reg_names[REGNO (reg1)]); \
575: break; } \
576: default: \
577: output_addr_const (FILE, addr); \
578: }}
579:
580:
581:
582: /* Override usual definitions of SDB output macros.
583: These definitions differ only in the absence of the period
584: at the beginning of the name of the directive
585: and in the use of `~' as the symbol for the current location. */
586:
587: #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a))
588: #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a))
589: #define PUT_SDB_VAL(a) \
590: ( fputs ("\tval\t", asm_out_file), \
591: output_addr_const (asm_out_file, (a)), \
592: fputc (';', asm_out_file))
593:
594: #define PUT_SDB_DEF(a) \
595: do { fprintf (asm_out_file, "\tdef\t"); \
596: ASM_OUTPUT_LABELREF (asm_out_file, a); \
597: fprintf (asm_out_file, ";"); } while (0)
598:
599: #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a)
600: #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file)
601: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a)
602: #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a)
603: #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t")
604: #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a)
605: #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a)
606:
607: #define PUT_SDB_TAG(a) \
608: do { fprintf (asm_out_file, "\ttag\t"); \
609: ASM_OUTPUT_LABELREF (asm_out_file, a); \
610: fprintf (asm_out_file, ";"); } while (0)
611:
612: #define PUT_SDB_BLOCK_START(LINE) \
613: fprintf (asm_out_file, \
614: "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
615: (LINE))
616:
617: #define PUT_SDB_BLOCK_END(LINE) \
618: fprintf (asm_out_file, \
619: "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
620: (LINE))
621:
622: #define PUT_SDB_FUNCTION_START(LINE) \
623: fprintf (asm_out_file, \
624: "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
625: (LINE))
626:
627: #define PUT_SDB_FUNCTION_END(LINE) \
628: fprintf (asm_out_file, \
629: "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
630: (LINE))
631:
632: #define PUT_SDB_EPILOGUE_END(NAME) \
633: fprintf (asm_out_file, \
634: "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \
635: (NAME))
636:
637: #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
638: sprintf ((BUFFER), "~%dfake", (NUMBER));
639:
640: #define NO_DOLLAR_IN_LABEL
641: #define NO_DOT_IN_LABEL
642:
643: /* The usual definitions don't work because neither $ nor . is allowed. */
644: #define CONSTRUCTOR_NAME_FORMAT "_GLOBAL_%%I\%%%s"
645:
646: /* Define a few machine-specific details
647: of the implementation of constructors.
648:
649: The __CTORS_LIST__ goes in the .init section. Define CTOR_LIST_BEGIN
650: and CTOR_LIST_END to contribute to the .init section an instruction to
651: push a word containing 0 (or some equivalent of that).
652:
653: ASM_OUTPUT_CONSTRUCTOR should be defined
654: to push the address of the constructor. */
655:
656: #define ASM_LONG "\tlong"
657: #undef INIT_SECTION_ASM_OP
658: #define INIT_SECTION_ASM_OP "section\t~init"
659: #undef FINI_SECTION_ASM_OP
660: #define FINI_SECTION_ASM_OP "section\t~fini"
661: #undef CONST_SECTION_ASM_OP
662: #define CONST_SECTION_ASM_OP "section\t~rodata"
663:
664: #define CTOR_LIST_BEGIN \
665: asm (INIT_SECTION_ASM_OP); \
666: asm ("clr.l -(%sp)")
667: #define CTOR_LIST_END CTOR_LIST_BEGIN
668:
669: #define BSS_SECTION_ASM_OP "section\t~bss"
670:
671: #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
672: do { \
673: init_section (); \
674: fprintf (FILE, "\tmov.l &"); \
675: assemble_name (FILE, NAME); \
676: fprintf (FILE, ",-(%%sp)\n"); \
677: } while (0)
678:
679: /* We do not want leading underscores. */
680:
681: #undef ASM_OUTPUT_LABELREF
682: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
683: fprintf (FILE, "%s", NAME)
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