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1.1 root 1: /* Definitions of target machine for GNU compiler.
2: Copyright (C) 1990 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 "tower.h"
1.1.1.3 ! root 33: #undef SELECT_RTX_SECTION
1.1 root 34:
1.1.1.3 ! root 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"
1.1 root 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: /* The startfiles and libraries depend on the -p and -m68881 options.
50: The Tower does not support the -pg option. */
51:
52: #define STARTFILE_SPEC \
53: "%{p:%{m68881:/usr/lib/fp/mcrt1.o}%{!m68881:/lib/mcrt1.o}} \
1.1.1.3 ! root 54: %{!p:%{m68881:/usr/lib/fp/crt1.o}%{!m68881:/lib/crt1.o}} \
! 55: crtbegin.o%s"
! 56:
! 57: /* We don't want local labels to start with period.
! 58: See ASM_OUTPUT_INTERNAL_LABEL. */
! 59: #undef LOCAL_LABEL_PREFIX
! 60: #define LOCAL_LABEL_PREFIX ""
1.1 root 61:
62: /* These four macros control how m68k.md is expanded. */
63:
64: #define MOTOROLA /* Use Motorola syntax rather than "MIT" */
65: #define SGS /* Uses SGS assembler */
66: #define SGS_CMP_ORDER /* Takes cmp operands in reverse order */
67: #define SGS_NO_LI /* Suppress jump table label usage */
68:
69: /* Turn on SDB debugging info. */
70:
71: #define SDB_DEBUGGING_INFO
72:
73: /* This is only useful if gdb is changed, but doesn't harm anyway. */
74:
75: #define ASM_IDENTIFY_GCC(FILE) \
76: fprintf (FILE, "gcc2_compiled%%:\n")
77:
78: /* All the ASM_OUTPUT macros need to conform to the Tower as syntax. */
79:
80: #define ASM_OUTPUT_SOURCE_FILENAME(FILE, FILENAME) \
1.1.1.3 ! root 81: do { \
! 82: fprintf (FILE, "\tfile\t\"%s\"\n", FILENAME); \
! 83: fprintf (FILE, "section ~init,\"x\"\n"); \
! 84: fprintf (FILE, "section ~fini,\"x\"\n"); \
! 85: fprintf (FILE, "section ~rodata,\"x\"\n"); \
! 86: fprintf (FILE, "text\n"); \
! 87: } while (0)
1.1 root 88:
89: #define ASM_OUTPUT_SOURCE_LINE(FILE, LINENO) \
90: fprintf (FILE, "\tln\t%d\n", \
91: (sdb_begin_function_line \
92: ? last_linenum - sdb_begin_function_line : 1))
93:
1.1.1.3 ! root 94: #undef ASM_OUTPUT_IDENT
1.1 root 95: #define ASM_OUTPUT_IDENT(FILE, NAME) \
96: fprintf (FILE, "\tident\t\"%s\" \n", NAME)
97:
98: #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
99: { register int sp = 0, lp = 0; \
100: fprintf ((FILE), "\tbyte\t"); \
101: loop: \
102: if ((PTR)[sp] > ' ' && ! ((PTR)[sp] & 0x80) && (PTR)[sp] != '\\') \
103: { lp += 3; \
104: fprintf ((FILE), "'%c", (PTR)[sp]); } \
105: else \
106: { lp += 5; \
107: fprintf ((FILE), "0x%x", (PTR)[sp]); } \
108: if (++sp < (LEN)) \
109: { if (lp > 60) \
110: { lp = 0; \
111: fprintf ((FILE), "\n\tbyte\t"); } \
112: else \
113: putc (',', (FILE)); \
114: goto loop; } \
115: putc ('\n', (FILE)); }
116:
117: /* Translate Motorola opcodes such as `jbeq'
118: into SGS/Tower opcodes such as `beq.w'.
119: Change `move' to `mov'.
120: Change `cmpm' to `cmp'.
121: Change `divsl' to `tdivs'.
122: Change `divul' to `tdivu'.
123: Change `ftst' to `ftest'.
124: Change `fmove' to `fmov'. */
125:
126: #define ASM_OUTPUT_OPCODE(FILE, PTR) \
127: { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \
128: { ++(PTR); \
129: while (*(PTR) != ' ') \
130: { putc (*(PTR), (FILE)); ++(PTR); } \
131: fprintf ((FILE), ".w"); } \
132: else if ((PTR)[0] == 'm' && (PTR)[1] == 'o' \
133: && (PTR)[2] == 'v' && (PTR)[3] == 'e') \
134: { fprintf ((FILE), "mov"); (PTR) += 4; } \
135: else if ((PTR)[0] == 'c' && (PTR)[1] == 'm' \
136: && (PTR)[2] == 'p' && (PTR)[3] == 'm') \
137: { fprintf ((FILE), "cmp"); (PTR) += 4; } \
138: else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \
139: && (PTR)[2] == 'v' && (PTR)[3] == 's' \
140: && (PTR)[4] == 'l') \
141: { fprintf ((FILE), "tdivs"); (PTR) += 5; } \
142: else if ((PTR)[0] == 'd' && (PTR)[1] == 'i' \
143: && (PTR)[2] == 'v' && (PTR)[3] == 'u' \
144: && (PTR)[4] == 'l') \
145: { fprintf ((FILE), "tdivu"); (PTR) += 5; } \
146: else if ((PTR)[0] == 'f' && (PTR)[1] == 't' \
147: && (PTR)[2] == 's' && (PTR)[3] == 't') \
148: { fprintf ((FILE), "ftest"); (PTR) += 4; } \
149: else if ((PTR)[0] == 'f' && (PTR)[1] == 'm' \
150: && (PTR)[2] == 'o' && (PTR)[3] == 'v' \
151: && (PTR)[4] == 'e') \
152: { fprintf ((FILE), "fmov"); (PTR) += 5; } \
153: }
154:
155:
156:
157: /* Override parts of m68k.h to fit the Tower assembler.
158: This section needs to track changes done to m68k.h in the future. */
159:
160: #undef TARGET_VERSION
161: #define TARGET_VERSION fprintf (stderr, " (68k, Motorola/SGS/Tower32 syntax)");
162:
163: #undef FUNCTION_BLOCK_PROFILER
1.1.1.3 ! root 164: #define FUNCTION_BLOCK_PROFILER(FILE, LABELNO) \
! 165: do { \
! 166: char label1[20], label2[20]; \
! 167: ASM_GENERATE_INTERNAL_LABEL (label1, "LPBX", 0); \
! 168: ASM_GENERATE_INTERNAL_LABEL (label2, "LPI", LABELNO); \
! 169: fprintf (FILE, "\ttst.l %s\n\tbne %s\n\tpea %s\n\tjsr __bb_init_func\n\taddq.l &4,%%sp\n", \
! 170: label1, label2, label1); \
! 171: ASM_OUTPUT_INTERNAL_LABEL (FILE, "LPI", LABELNO); \
! 172: putc ('\n', FILE); \
! 173: } while (0)
! 174:
! 175: #undef BLOCK_PROFILER
! 176: #define BLOCK_PROFILER(FILE, BLOCKNO) \
! 177: do { \
! 178: char label[20]; \
! 179: ASM_GENERATE_INTERNAL_LABEL (label, "LPBX", 2); \
! 180: fprintf (FILE, "\taddq.l &1,%s+%d\n", label, 4 * BLOCKNO); \
! 181: } while (0)
! 182:
1.1 root 183: #undef FUNCTION_PROFILER
184: #define FUNCTION_PROFILER(FILE, LABEL_NO) \
185: fprintf (FILE, "\tmov.l &LP%%%d,%%a0\n\tjsr mcount%%\n", (LABEL_NO))
186:
187: /* The prologue is identical to the one in m68k.h except that the
188: assembler syntax is different. */
189:
190: #undef FUNCTION_PROLOGUE
191: #define FUNCTION_PROLOGUE(FILE, SIZE) \
192: { register int regno; \
193: register int mask = 0; \
194: extern char call_used_regs[]; \
195: int fsize = ((SIZE) + 3) & -4; \
196: if (frame_pointer_needed) \
197: { if (TARGET_68020 || fsize < 0x8000) \
198: fprintf (FILE, "\tlink %%a6,&%d\n", -fsize); \
199: else \
200: fprintf (FILE, "\tlink %%a6,&0\n\tsub.l &%d,%%sp\n", fsize); } \
201: for (regno = 16; regno < 24; regno++) \
202: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
203: mask |= 1 << (regno - 16); \
204: if ((mask & 0xff) != 0) \
205: fprintf (FILE, "\tfmovm &0x%x,-(%%sp)\n", mask & 0xff); \
206: mask = 0; \
207: for (regno = 0; regno < 16; regno++) \
208: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
209: mask |= 1 << (15 - regno); \
210: if (frame_pointer_needed) \
211: mask &= ~ (1 << (15-FRAME_POINTER_REGNUM)); \
212: if (exact_log2 (mask) >= 0) \
213: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[15 - exact_log2 (mask)]); \
214: else if (mask) fprintf (FILE, "\tmovm.l &0x%x,-(%%sp)\n", mask); }
215:
216: /* The epilogue is identical to the one in m68k.h except that:
217: a) The assembler syntax is different.
218: b) Pointers are returned both in %d0 and %a0.
219: c) FUNCTION_EXTRA_EPILOGUE is not needed. */
220:
221: #undef FUNCTION_EPILOGUE
222: #define FUNCTION_EPILOGUE(FILE, SIZE) \
223: { register int regno; \
224: register int mask, fmask; \
225: register int nregs; \
1.1.1.3 ! root 226: int offset, foffset; \
1.1 root 227: extern char call_used_regs[]; \
228: int fsize = ((SIZE) + 3) & -4; \
229: int big = 0; \
1.1.1.3 ! root 230: nregs = 0; fmask = 0; \
1.1 root 231: for (regno = 16; regno < 24; regno++) \
232: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
233: { nregs++; fmask |= 1 << (23 - regno); } \
1.1.1.3 ! root 234: foffset = nregs * 12; \
1.1 root 235: nregs = 0; mask = 0; \
236: if (frame_pointer_needed) regs_ever_live[FRAME_POINTER_REGNUM] = 0; \
237: for (regno = 0; regno < 16; regno++) \
238: if (regs_ever_live[regno] && ! call_used_regs[regno]) \
239: { nregs++; mask |= 1 << regno; } \
240: offset = foffset + nregs * 4; \
241: if (offset + fsize >= 0x8000 \
242: && frame_pointer_needed \
1.1.1.3 ! root 243: && (mask || fmask)) \
1.1 root 244: { fprintf (FILE, "\tmov.l &%d,%%a0\n", -fsize); \
245: fsize = 0, big = 1; } \
246: if (exact_log2 (mask) >= 0) { \
247: if (big) \
248: fprintf (FILE, "\tmov.l -%d(%%a6,%%a0.l),%s\n", \
249: offset + fsize, reg_names[exact_log2 (mask)]); \
250: else if (! frame_pointer_needed) \
251: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", \
252: reg_names[exact_log2 (mask)]); \
253: else \
254: fprintf (FILE, "\tmov.l -%d(%%a6),%s\n", \
255: offset + fsize, reg_names[exact_log2 (mask)]); } \
256: else if (mask) { \
257: if (big) \
258: fprintf (FILE, "\tmovm.l -%d(%%a6,%%a0.l),&0x%x\n", \
259: offset + fsize, mask); \
260: else if (! frame_pointer_needed) \
261: fprintf (FILE, "\tmovm.l (%%sp)+,&0x%x\n", mask); \
262: else \
263: fprintf (FILE, "\tmovm.l -%d(%%a6),&0x%x\n", \
264: offset + fsize, mask); } \
265: if (fmask) { \
266: if (big) \
267: fprintf (FILE, "\tfmovm -%d(%%a6,%%a0.l),&0x%x\n", \
268: foffset + fsize, fmask); \
269: else if (! frame_pointer_needed) \
270: fprintf (FILE, "\tfmovm (%%sp)+,&0x%x\n", fmask); \
271: else \
272: fprintf (FILE, "\tfmovm -%d(%%a6),&0x%x\n", \
273: foffset + fsize, fmask); } \
274: if (current_function_returns_pointer) \
275: fprintf (FILE, "\tmov.l %%d0,%%a0\n"); \
276: if (frame_pointer_needed) \
277: fprintf (FILE, "\tunlk %%a6\n"); \
278: if (current_function_pops_args) \
279: fprintf (FILE, "\trtd &%d\n", current_function_pops_args); \
280: else fprintf (FILE, "\trts\n"); }
281:
282: /* This is how to output an insn to push a register on the stack.
283: It need not be very fast code. */
284:
285: #undef ASM_OUTPUT_REG_PUSH
286: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \
287: fprintf (FILE, "\tmov.l %s,-(%%sp)\n", reg_names[REGNO])
288:
289: /* This is how to output an insn to pop a register from the stack.
290: It need not be very fast code. */
291:
292: #undef ASM_OUTPUT_REG_POP
293: #define ASM_OUTPUT_REG_POP(FILE,REGNO) \
294: fprintf (FILE, "\tmov.l (%%sp)+,%s\n", reg_names[REGNO])
295:
296: #undef ASM_FILE_START
297: #define ASM_FILE_START(FILE) \
298: ( fprintf (FILE, "#NO_APP\n"), \
299: output_file_directive ((FILE), main_input_filename))
300:
301: #undef TEXT_SECTION_ASM_OP
1.1.1.2 root 302: #define TEXT_SECTION_ASM_OP "text"
1.1 root 303:
304: #undef DATA_SECTION_ASM_OP
1.1.1.2 root 305: #define DATA_SECTION_ASM_OP "data"
1.1 root 306:
307: /* This says how to output an assembler line to define a global common symbol.
308: We use SIZE rather than ROUNDED, as this is what the native cc does. */
309:
310: #undef ASM_OUTPUT_COMMON
311: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
312: ( fputs ("\tcomm ", (FILE)), \
313: assemble_name ((FILE), (NAME)), \
314: fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (SIZE)))
315:
316: /* This says how to output an assembler line to define a local common symbol.
317: We use SIZE rather than ROUNDED, as this is what the native cc does. */
318:
319: #undef ASM_OUTPUT_LOCAL
320: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
321: ( fputs ("\tlcomm ", (FILE)), \
322: assemble_name ((FILE), (NAME)), \
323: fprintf ((FILE), ",%d\n", ((SIZE) == 0) ? (ROUNDED) : (SIZE)))
324:
325: /* Store in OUTPUT a string (made with alloca) containing
326: an assembler-name for a local static variable named NAME.
327: LABELNO is an integer which is different for each call. */
328:
329: #undef ASM_FORMAT_PRIVATE_NAME
330: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
331: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 11), \
332: sprintf ((OUTPUT), "%s%%%%%d", (NAME), (LABELNO)))
1.1.1.3 ! root 333:
! 334: /* This is the command to make the user-level label named NAME
1.1 root 335: defined for reference from other files. */
336:
1.1.1.3 ! root 337: #undef GLOBAL_ASM_OP
! 338: #define GLOBAL_ASM_OP "global"
1.1 root 339:
340: #undef ASM_GENERATE_INTERNAL_LABEL
341: #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
342: sprintf ((LABEL), "%s%%%d", (PREFIX), (NUM))
343:
344: #undef ASM_OUTPUT_INTERNAL_LABEL
345: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
346: fprintf ((FILE), "%s%%%d:\n", (PREFIX), (NUM))
347:
348: #undef ASM_OUTPUT_CASE_LABEL
349: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
350: fprintf (FILE, "\tswbeg &%d\n%s%%%d:\n", \
351: XVECLEN (PATTERN (TABLE), 1), (PREFIX), (NUM)); \
352:
353: #undef ASM_OUTPUT_DOUBLE
354: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
355: do { union { double d; long l[2]; } tem; \
356: tem.d = (VALUE); \
357: fprintf(FILE, "\tlong 0x%x,0x%x\n", tem.l[0], tem.l[1]); \
358: } while (0)
359:
360: #undef ASM_OUTPUT_FLOAT
361: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
362: do { union { float f; long l;} tem; \
363: tem.f = (VALUE); \
364: fprintf (FILE, "\tlong 0x%x\n", tem.l); \
365: } while (0)
366:
367: /* This is how to output an assembler line defining an `int' constant. */
368:
369: #undef ASM_OUTPUT_INT
370: #define ASM_OUTPUT_INT(FILE,VALUE) \
371: ( fprintf (FILE, "\tlong "), \
372: output_addr_const (FILE, (VALUE)), \
373: fprintf (FILE, "\n"))
374:
375: /* Likewise for `char' and `short' constants. */
376:
377: #undef ASM_OUTPUT_SHORT
378: #define ASM_OUTPUT_SHORT(FILE,VALUE) \
379: ( fprintf (FILE, "\tshort "), \
380: output_addr_const (FILE, (VALUE)), \
381: fprintf (FILE, "\n"))
382:
383: #undef ASM_OUTPUT_CHAR
384: #define ASM_OUTPUT_CHAR(FILE,VALUE) \
385: ( fprintf (FILE, "\tbyte "), \
386: output_addr_const (FILE, (VALUE)), \
387: fprintf (FILE, "\n"))
388:
389: /* This is how to output an assembler line for a numeric constant byte. */
390:
391: #undef ASM_OUTPUT_BYTE
392: #define ASM_OUTPUT_BYTE(FILE,VALUE) \
393: fprintf (FILE, "\tbyte 0x%x\n", (VALUE))
394:
395: #undef ASM_OUTPUT_ADDR_VEC_ELT
396: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
397: fprintf (FILE, "\tlong L%%%d\n", (VALUE))
398:
399: #undef ASM_OUTPUT_ADDR_DIFF_ELT
400: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL) \
401: fprintf (FILE, "\tshort L%%%d-L%%%d\n", (VALUE), (REL))
402:
403: #undef ASM_OUTPUT_ALIGN
404: #define ASM_OUTPUT_ALIGN(FILE,LOG) \
405: if ((LOG) == 1) \
406: fprintf (FILE, "\teven\n"); \
407: else if ((LOG) != 0) \
408: abort ();
409:
410: #undef ASM_OUTPUT_SKIP
411: #define ASM_OUTPUT_SKIP(FILE,SIZE) \
412: fprintf (FILE, "\tspace %d\n", (SIZE))
413:
414: #undef PRINT_OPERAND
415: #define PRINT_OPERAND(FILE, X, CODE) \
416: { if (CODE == '.') fprintf (FILE, "."); \
417: else if (CODE == '#') fprintf (FILE, "&"); \
418: else if (CODE == '-') fprintf (FILE, "-(%%sp)"); \
419: else if (CODE == '+') fprintf (FILE, "(%%sp)+"); \
420: else if (CODE == '@') fprintf (FILE, "(%%sp)"); \
1.1.1.2 root 421: else if (CODE == '!') fprintf (FILE, "%%fpcr"); \
1.1 root 422: else if (GET_CODE (X) == REG) \
423: fprintf (FILE, "%s", reg_names[REGNO (X)]); \
424: else if (GET_CODE (X) == MEM) \
425: output_address (XEXP (X, 0)); \
426: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == SFmode) \
427: { union { double d; int i[2]; } u; \
428: union { float f; int i; } u1; \
429: u.i[0] = CONST_DOUBLE_LOW (X); u.i[1] = CONST_DOUBLE_HIGH (X); \
430: u1.f = u.d; \
431: fprintf (FILE, "&0x%x", u1.i); } \
432: else if (GET_CODE (X) == CONST_DOUBLE && GET_MODE (X) == DFmode) \
433: fprintf (FILE, "&0x%x%08x", CONST_DOUBLE_LOW (X), CONST_DOUBLE_HIGH (X));\
434: else { putc ('&', FILE); output_addr_const (FILE, X); }}
435:
436: /* Note that this contains a kludge that knows that the only reason
437: we have an address (plus (label_ref...) (reg...))
438: is in the insn before a tablejump, and we know that the table is
439: exactly 10 bytes away. */
440:
441: #undef PRINT_OPERAND_ADDRESS
442: #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
443: { register rtx reg1, reg2, breg, ireg; \
444: register rtx addr = ADDR; \
445: rtx offset; \
446: switch (GET_CODE (addr)) \
447: { \
448: case REG: \
449: fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \
450: break; \
451: case PRE_DEC: \
452: fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \
453: break; \
454: case POST_INC: \
455: fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \
456: break; \
457: case PLUS: \
458: reg1 = 0; reg2 = 0; \
459: ireg = 0; breg = 0; \
460: offset = 0; \
461: if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \
462: { \
463: offset = XEXP (addr, 0); \
464: addr = XEXP (addr, 1); \
465: } \
466: else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \
467: { \
468: offset = XEXP (addr, 1); \
469: addr = XEXP (addr, 0); \
470: } \
471: if (GET_CODE (addr) != PLUS) ; \
472: else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \
473: { \
474: reg1 = XEXP (addr, 0); \
475: addr = XEXP (addr, 1); \
476: } \
477: else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \
478: { \
479: reg1 = XEXP (addr, 1); \
480: addr = XEXP (addr, 0); \
481: } \
482: else if (GET_CODE (XEXP (addr, 0)) == MULT) \
483: { \
484: reg1 = XEXP (addr, 0); \
485: addr = XEXP (addr, 1); \
486: } \
487: else if (GET_CODE (XEXP (addr, 1)) == MULT) \
488: { \
489: reg1 = XEXP (addr, 1); \
490: addr = XEXP (addr, 0); \
491: } \
492: else if (GET_CODE (XEXP (addr, 0)) == REG) \
493: { \
494: reg1 = XEXP (addr, 0); \
495: addr = XEXP (addr, 1); \
496: } \
497: else if (GET_CODE (XEXP (addr, 1)) == REG) \
498: { \
499: reg1 = XEXP (addr, 1); \
500: addr = XEXP (addr, 0); \
501: } \
502: if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \
503: || GET_CODE (addr) == SIGN_EXTEND) \
504: { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \
505: /* for OLD_INDEXING \
506: else if (GET_CODE (addr) == PLUS) \
507: { \
508: if (GET_CODE (XEXP (addr, 0)) == REG) \
509: { \
510: reg2 = XEXP (addr, 0); \
511: addr = XEXP (addr, 1); \
512: } \
513: else if (GET_CODE (XEXP (addr, 1)) == REG) \
514: { \
515: reg2 = XEXP (addr, 1); \
516: addr = XEXP (addr, 0); \
517: } \
518: } \
519: */ \
520: if (offset != 0) { if (addr != 0) abort (); addr = offset; } \
521: if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \
522: || GET_CODE (reg1) == MULT)) \
523: || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \
524: { breg = reg2; ireg = reg1; } \
525: else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \
526: { breg = reg1; ireg = reg2; } \
527: if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \
528: { int scale = 1; \
529: if (GET_CODE (ireg) == MULT) \
530: { scale = INTVAL (XEXP (ireg, 1)); \
531: ireg = XEXP (ireg, 0); } \
532: if (GET_CODE (ireg) == SIGN_EXTEND) \
533: fprintf (FILE, "10(%%pc,%s.w", \
534: reg_names[REGNO (XEXP (ireg, 0))]); \
535: else \
536: fprintf (FILE, "10(%%pc,%s.l", \
537: reg_names[REGNO (ireg)]); \
538: if (scale != 1) fprintf (FILE, "*%d", scale); \
539: putc (')', FILE); \
540: break; } \
541: if (ireg != 0 || breg != 0) \
542: { int scale = 1; \
543: if (breg == 0) \
544: abort (); \
545: if (addr != 0) \
546: output_addr_const (FILE, addr); \
547: fprintf (FILE, "(%s", reg_names[REGNO (breg)]); \
548: if (ireg != 0) \
549: putc (',', FILE); \
550: if (ireg != 0 && GET_CODE (ireg) == MULT) \
551: { scale = INTVAL (XEXP (ireg, 1)); \
552: ireg = XEXP (ireg, 0); } \
553: if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \
554: fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \
555: else if (ireg != 0) \
556: fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \
557: if (scale != 1) fprintf (FILE, "*%d", scale); \
558: putc (')', FILE); \
559: break; \
560: } \
561: else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \
562: { fprintf (FILE, "10(%%pc,%s.w)", \
563: reg_names[REGNO (reg1)]); \
564: break; } \
565: default: \
566: output_addr_const (FILE, addr); \
567: }}
568:
569:
570:
571: /* Override usual definitions of SDB output macros.
572: These definitions differ only in the absence of the period
573: at the beginning of the name of the directive
574: and in the use of `~' as the symbol for the current location. */
575:
576: #define PUT_SDB_SCL(a) fprintf(asm_out_file, "\tscl\t%d;", (a))
577: #define PUT_SDB_INT_VAL(a) fprintf (asm_out_file, "\tval\t%d;", (a))
578: #define PUT_SDB_VAL(a) \
579: ( fputs ("\tval\t", asm_out_file), \
580: output_addr_const (asm_out_file, (a)), \
581: fputc (';', asm_out_file))
582:
583: #define PUT_SDB_DEF(a) \
584: do { fprintf (asm_out_file, "\tdef\t"); \
585: ASM_OUTPUT_LABELREF (asm_out_file, a); \
586: fprintf (asm_out_file, ";"); } while (0)
587:
588: #define PUT_SDB_PLAIN_DEF(a) fprintf(asm_out_file,"\tdef\t~%s;",a)
589: #define PUT_SDB_ENDEF fputs("\tendef\n", asm_out_file)
590: #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\ttype\t0%o;", a)
591: #define PUT_SDB_SIZE(a) fprintf(asm_out_file, "\tsize\t%d;", a)
1.1.1.3 ! root 592: #define PUT_SDB_START_DIM fprintf(asm_out_file, "\tdim\t")
! 593: #define PUT_SDB_NEXT_DIM(a) fprintf(asm_out_file, "%d,", a)
! 594: #define PUT_SDB_LAST_DIM(a) fprintf(asm_out_file, "%d;", a)
1.1 root 595:
596: #define PUT_SDB_TAG(a) \
597: do { fprintf (asm_out_file, "\ttag\t"); \
598: ASM_OUTPUT_LABELREF (asm_out_file, a); \
599: fprintf (asm_out_file, ";"); } while (0)
600:
601: #define PUT_SDB_BLOCK_START(LINE) \
602: fprintf (asm_out_file, \
603: "\tdef\t~bb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
604: (LINE))
605:
606: #define PUT_SDB_BLOCK_END(LINE) \
607: fprintf (asm_out_file, \
608: "\tdef\t~eb;\tval\t~;\tscl\t100;\tline\t%d;\tendef\n", \
609: (LINE))
610:
611: #define PUT_SDB_FUNCTION_START(LINE) \
612: fprintf (asm_out_file, \
613: "\tdef\t~bf;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
614: (LINE))
615:
616: #define PUT_SDB_FUNCTION_END(LINE) \
617: fprintf (asm_out_file, \
618: "\tdef\t~ef;\tval\t~;\tscl\t101;\tline\t%d;\tendef\n", \
619: (LINE))
620:
621: #define PUT_SDB_EPILOGUE_END(NAME) \
622: fprintf (asm_out_file, \
623: "\tdef\t%s;\tval\t~;\tscl\t-1;\tendef\n", \
624: (NAME))
625:
626: #define SDB_GENERATE_FAKE(BUFFER, NUMBER) \
627: sprintf ((BUFFER), "~%dfake", (NUMBER));
1.1.1.3 ! root 628:
! 629: #define NO_DOLLAR_IN_LABEL
! 630: #define NO_DOT_IN_LABEL
! 631:
! 632: /* Define a few machine-specific details
! 633: of the implementation of constructors.
! 634:
! 635: The __CTORS_LIST__ goes in the .init section. Define CTOR_LIST_BEGIN
! 636: and CTOR_LIST_END to contribute to the .init section an instruction to
! 637: push a word containing 0 (or some equivalent of that).
! 638:
! 639: ASM_OUTPUT_CONSTRUCTOR should be defined
! 640: to push the address of the constructor. */
! 641:
! 642: #define ASM_LONG "\tlong"
! 643: #undef INIT_SECTION_ASM_OP
! 644: #define INIT_SECTION_ASM_OP "section\t~init"
! 645: #undef FINI_SECTION_ASM_OP
! 646: #define FINI_SECTION_ASM_OP "section\t~fini"
! 647: #undef CONST_SECTION_ASM_OP
! 648: #define CONST_SECTION_ASM_OP "section\t~rodata"
! 649:
! 650: #define CTOR_LIST_BEGIN \
! 651: asm (INIT_SECTION_ASM_OP); \
! 652: asm ("clr.l -(%sp)")
! 653: #define CTOR_LIST_END CTOR_LIST_BEGIN
! 654:
! 655: #define BSS_SECTION_ASM_OP "section\t~bss"
! 656: #define BSS_SECTION_FUNCTION \
! 657: void \
! 658: bss_section () \
! 659: { \
! 660: if (in_section != in_bss) \
! 661: { \
! 662: fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP); \
! 663: in_section = in_bss; \
! 664: } \
! 665: }
! 666:
! 667: #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
! 668: do { \
! 669: init_section (); \
! 670: fprintf (FILE, "\tmov.l &"); \
! 671: assemble_name (FILE, NAME); \
! 672: fprintf (FILE, ",-(%%sp)\n"); \
! 673: } while (0)
! 674:
! 675: /* We do not want leading underscores. */
! 676:
! 677: #undef ASM_OUTPUT_LABELREF
! 678: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
! 679: fprintf (FILE, "%s", NAME)
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