| /* Definitions of target machine for GNU compiler. |
| Bull DPX/2 200 and 300 systems (m68k, SysVr3). |
| Copyright (C) 1987, 1993, 1994, 1995, 1996, 1999, 2000 Free Software Foundation, Inc. |
| Contributed by Frederic Pierresteguy (F.Pierresteguy@frcl.bull.fr). |
| |
| This file is part of GNU CC. |
| |
| GNU CC is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU CC is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU CC; see the file COPYING. If not, write to |
| the Free Software Foundation, 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| |
| #ifndef USE_GAS |
| #define MOTOROLA /* Use Motorola syntax rather than "MIT" */ |
| #define SGS_NO_LI /* Suppress jump table label usage */ |
| #define VERSADOS /* This is the name of the assembler we have */ |
| #endif |
| |
| #include "m68k/m68k.h" |
| #undef SELECT_RTX_SECTION |
| #include "svr3.h" |
| |
| #undef INT_OP_GROUP |
| #define INT_OP_GROUP INT_OP_DC |
| |
| /* We use collect2 instead of ctors_section constructors. */ |
| #undef INIT_SECTION_ASM_OP |
| #undef FINI_SECTION_ASM_OP |
| #undef DTORS_SECTION_ASM_OP |
| #undef DO_GLOBAL_CTORS_BODY |
| |
| /* Remove handling for a separate constant data section. We put |
| constant data in text_section, which is the default. */ |
| #undef SELECT_SECTION |
| #undef SELECT_RTX_SECTION |
| #undef EXTRA_SECTIONS |
| #undef EXTRA_SECTION_FUNCTIONS |
| #undef CONST_SECTION_ASM_OP |
| #undef READONLY_DATA_SECTION |
| |
| #define DPX2 |
| |
| /* See m68k.h. 7 means 68020 with 68881. |
| * We really have 68030 and 68882, |
| * but this will get us going. |
| */ |
| #ifndef TARGET_DEFAULT |
| #define TARGET_DEFAULT (MASK_BITFIELD|MASK_68881|MASK_68020) |
| #endif |
| |
| #define OBJECT_FORMAT_COFF |
| |
| #ifdef CPP_PREDEFINES |
| #undef CPP_PREDEFINES |
| #endif |
| /* |
| * define all the things the compiler should |
| */ |
| #ifdef ncl_mr |
| # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -Dncl_mr=1 -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem=unix -Asystem=svr3 -Acpu=m68k -Amachine=m68k" |
| #else |
| # ifdef ncl_el |
| # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -Dncl_el -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem=unix -Asystem=svr3 -Acpu=m68k -Amachine=m68k" |
| # else |
| # define CPP_PREDEFINES "-Dunix -Dbull -DDPX2 -DSVR3 -Dmc68000 -Dmc68020 -D_BULL_SOURCE -D_POSIX_SOURCE -D_XOPEN_SOURCE -Asystem=unix -Asystem=svr3 -Acpu=m68k -Amachine=m68k" |
| # endif |
| #endif |
| |
| #undef CPP_SPEC |
| /* |
| * you can't get a DPX/2 without a 68882 but allow it |
| * to be ignored... |
| */ |
| # define __HAVE_68881__ 1 |
| # define CPP_SPEC "%{!msoft-float:-D__HAVE_68881__ }" |
| |
| #undef DO_GLOBAL_CTORS_BODY /* don't use svr3.h version */ |
| #undef DO_GLOBAL_DTORS_BODY |
| |
| #ifndef USE_GAS |
| /* |
| * handle the native MOTOROLA VERSAdos assembler. |
| */ |
| |
| /* See m68k.h. 3 means 68020 with 68881 and no bitfield |
| * bitfield instructions do not seem to work a clean way. |
| */ |
| #undef TARGET_DEFAULT |
| #define TARGET_DEFAULT (MASK_68881|MASK_68020) |
| |
| /* The native assembler doesn't support fmovecr. */ |
| #define NO_ASM_FMOVECR |
| |
| #undef TEXT_SECTION_ASM_OP |
| #define TEXT_SECTION_ASM_OP "\tsection 10" |
| #undef DATA_SECTION_ASM_OP |
| #define DATA_SECTION_ASM_OP "\tsection 15" |
| #define BSS_SECTION_ASM_OP "\tsection 14" |
| |
| |
| /* Don't try using XFmode. */ |
| #undef LONG_DOUBLE_TYPE_SIZE |
| #define LONG_DOUBLE_TYPE_SIZE 64 |
| |
| /* Define if you don't want extended real, but do want to use the |
| software floating point emulator for REAL_ARITHMETIC and |
| decimal <-> binary conversion. */ |
| #define REAL_ARITHMETIC |
| |
| #undef ASM_OUTPUT_SOURCE_FILENAME |
| #define ASM_OUTPUT_SOURCE_FILENAME(FILE, NA) \ |
| do { fprintf ((FILE), "\t.file\t'%s'\n", (NA)); } while (0) |
| |
| /* |
| * we don't seem to support any of: |
| * .globl |
| * .even |
| * .align |
| * .ascii |
| */ |
| #undef ASM_OUTPUT_SKIP |
| #define ASM_OUTPUT_SKIP(FILE,SIZE) \ |
| fprintf (FILE, "\tdcb.b %u,0\n", (SIZE)) |
| |
| #undef GLOBAL_ASM_OP |
| #define GLOBAL_ASM_OP "\txdef\t" |
| |
| #undef ASM_OUTPUT_ALIGN |
| #define ASM_OUTPUT_ALIGN(FILE,LOG) \ |
| if ((LOG) >= 1) \ |
| fprintf (FILE, "\tds.w 0\n"); |
| |
| |
| #define STRING_LIMIT (0) |
| #undef ASM_APP_ON |
| #define ASM_APP_ON "" |
| #undef ASM_APP_OFF |
| #define ASM_APP_OFF "" |
| /* |
| * dc.b 'hello, world!' |
| * dc.b 10,0 |
| * is how we have to output "hello, world!\n" |
| */ |
| #undef ASM_OUTPUT_ASCII |
| #define ASM_OUTPUT_ASCII(asm_out_file, p, thissize) \ |
| do { register int i, c, f=0, len=0; \ |
| for (i = 0; i < thissize; i++) { \ |
| c = p[i]; \ |
| if (c == '\'' || c < ' ' || c > 127) { \ |
| switch(f) { \ |
| case 0: /* need to output dc.b etc */ \ |
| fprintf(asm_out_file, "\tdc.b %d", c); \ |
| f=1; \ |
| break; \ |
| case 1: \ |
| fprintf(asm_out_file, ",%d", c); \ |
| break; \ |
| default: \ |
| /* close a string */ \ |
| fprintf(asm_out_file, "'\n\tdc.b %d", c); \ |
| f=1; \ |
| break; \ |
| } \ |
| } else { \ |
| switch(f) { \ |
| case 0: \ |
| fprintf(asm_out_file, "\tdc.b '%c", c); \ |
| f=2; \ |
| break; \ |
| case 2: \ |
| if (len >= 79) { \ |
| fprintf(asm_out_file, "'\n\tdc.b '%c", c); \ |
| len = 0; } \ |
| else \ |
| fprintf(asm_out_file, "%c", c); \ |
| break; \ |
| default: \ |
| len = 0; \ |
| fprintf(asm_out_file, "\n\tdc.b '%c", c); \ |
| f=2; \ |
| break; \ |
| } \ |
| } \ |
| len++; \ |
| } \ |
| if (f==2) \ |
| putc('\'', asm_out_file); \ |
| putc('\n', asm_out_file); } while (0) |
| |
| /* This is how to output an insn to push a register on the stack. |
| It need not be very fast code. */ |
| |
| #undef ASM_OUTPUT_REG_PUSH |
| #define ASM_OUTPUT_REG_PUSH(FILE,REGNO) \ |
| fprintf (FILE, "\tmove.l %s,-(sp)\n", reg_names[REGNO]) |
| |
| /* This is how to output an insn to pop a register from the stack. |
| It need not be very fast code. */ |
| |
| #undef ASM_OUTPUT_REG_POP |
| #define ASM_OUTPUT_REG_POP(FILE,REGNO) \ |
| fprintf (FILE, "\tmove.l (sp)+,%s\n", reg_names[REGNO]) |
| |
| |
| #define PUT_SDB_FUNCTION_START(LINE) \ |
| fprintf (asm_out_file, \ |
| "\t.def\t.bf%s\t.val\t*%s\t.scl\t101%s\t.line\t%d%s\t.endef\n", \ |
| SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM) |
| |
| #define PUT_SDB_FUNCTION_END(LINE) \ |
| fprintf (asm_out_file, \ |
| "\t.def\t.ef%s\t.val\t*%s\t.scl\t101%s\t.line\t%d%s\t.endef\n", \ |
| SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM) |
| |
| #define PUT_SDB_BLOCK_START(LINE) \ |
| fprintf (asm_out_file, \ |
| "\t.def\t.bb%s\t.val\t*%s\t.scl\t100%s\t.line\t%d%s\t.endef\n", \ |
| SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM) |
| |
| #define PUT_SDB_BLOCK_END(LINE) \ |
| fprintf (asm_out_file, \ |
| "\t.def\t.eb%s\t.val\t*%s\t.scl\t100%s\t.line\t%d%s\t.endef\n", \ |
| SDB_DELIM, SDB_DELIM, SDB_DELIM, (LINE), SDB_DELIM) |
| |
| #define PUT_SDB_EPILOGUE_END(NAME) |
| |
| /* Output type in decimal not in octal as done in sdbout.c */ |
| #define PUT_SDB_TYPE(a) fprintf(asm_out_file, "\t.type\t0%d%s", a, SDB_DELIM) |
| |
| /* Translate Motorola opcodes such as `jbeq' |
| into VERSAdos opcodes such as `beq'. |
| Change `fbeq' to `fbseq', `fbne' to `fbsneq'. |
| */ |
| |
| #undef ASM_OUTPUT_OPCODE |
| #define ASM_OUTPUT_OPCODE(FILE, PTR) \ |
| { if ((PTR)[0] == 'j' && (PTR)[1] == 'b') \ |
| { ++(PTR); \ |
| while (*(PTR) != ' ') \ |
| { putc (*(PTR), (FILE)); ++(PTR); } \ |
| } \ |
| else if ((PTR)[0] == 'f') \ |
| { \ |
| if (!strncmp ((PTR), "fbeq", 4)) \ |
| { fprintf ((FILE), "fbseq"); (PTR) += 4; } \ |
| else if (!strncmp ((PTR), "fbne", 4)) \ |
| { fprintf ((FILE), "fbsneq"); (PTR) += 4; } \ |
| } \ |
| else if ((PTR)[0] == 'b' && (PTR)[1] == 'f') \ |
| { \ |
| char *s; \ |
| if ((s = (char*)strchr ((PTR), '{'))) \ |
| while (*s != '}') { \ |
| if (*s == 'b') \ |
| /* hack, I replace it with R ie nothing */ \ |
| *s = '0'; \ |
| s++; } \ |
| } \ |
| } |
| |
| /* This is how to output an element of a case-vector that is absolute. |
| (The 68000 does not use such vectors, |
| but we must define this macro anyway.) */ |
| #undef ASM_OUTPUT_ADDR_VEC_ELT |
| #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ |
| asm_fprintf (FILE, "\tdc.l %LL%d\n", VALUE) |
| |
| /* This is how to output an element of a case-vector that is relative. */ |
| #undef ASM_OUTPUT_ADDR_DIFF_ELT |
| #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ |
| asm_fprintf (FILE, "\tdc.w %LL%d-%LL%d\n", VALUE, REL) |
| |
| /* Currently, JUMP_TABLES_IN_TEXT_SECTION must be defined in order to |
| keep switch tables in the text section. */ |
| #define JUMP_TABLES_IN_TEXT_SECTION 1 |
| |
| /* Output a float value (represented as a C double) as an immediate operand. |
| This macro is a 68k-specific macro. */ |
| #undef ASM_OUTPUT_FLOAT_OPERAND |
| #define ASM_OUTPUT_FLOAT_OPERAND(CODE,FILE,VALUE) \ |
| do { \ |
| if (CODE == 'f') \ |
| { \ |
| char dstr[30]; \ |
| REAL_VALUE_TO_DECIMAL (VALUE, "%.9g", dstr); \ |
| asm_fprintf ((FILE), "%I%s", dstr); \ |
| } \ |
| else \ |
| { \ |
| long l; \ |
| REAL_VALUE_TO_TARGET_SINGLE (VALUE, l); \ |
| if (sizeof (int) == sizeof (long)) \ |
| asm_fprintf ((FILE), "%I$%x", (int) l); \ |
| else \ |
| asm_fprintf ((FILE), "%I$%lx", l); \ |
| } \ |
| } while (0) |
| |
| /* Output a double value (represented as a C double) as an immediate operand. |
| This macro is a 68k-specific macro. */ |
| #undef ASM_OUTPUT_DOUBLE_OPERAND |
| #define ASM_OUTPUT_DOUBLE_OPERAND(FILE,VALUE) \ |
| do { char dstr[30]; \ |
| REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \ |
| asm_fprintf (FILE, "%I%s", dstr); \ |
| } while (0) |
| |
| /* Note, long double immediate operands are not actually |
| generated by m68k.md. */ |
| #undef ASM_OUTPUT_LONG_DOUBLE_OPERAND |
| #define ASM_OUTPUT_LONG_DOUBLE_OPERAND(FILE,VALUE) \ |
| do { char dstr[30]; \ |
| REAL_VALUE_TO_DECIMAL (VALUE, "%.20g", dstr); \ |
| asm_fprintf (FILE, "%I%s", dstr); \ |
| } while (0) |
| |
| #undef ASM_OUTPUT_COMMON |
| #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \ |
| ( fputs ("\t.comm ", (FILE)), \ |
| assemble_name ((FILE), (NAME)), \ |
| fprintf ((FILE), ",%u\n", (ROUNDED))) |
| |
| #undef ASM_OUTPUT_LOCAL |
| #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \ |
| do { \ |
| int align = exact_log2 (ROUNDED); \ |
| /*fprintf ((FILE), "\tsection 14\n"); */ \ |
| data_section (); \ |
| ASM_OUTPUT_ALIGN ((FILE), align) \ |
| ASM_OUTPUT_LABEL ((FILE), (NAME)); \ |
| fprintf ((FILE), "\tdcb.b %u,0\n", (ROUNDED)); \ |
| /* fprintf ((FILE), "\tsection 10\n"); */ \ |
| } while (0) |
| |
| #undef PRINT_OPERAND_ADDRESS |
| #define PRINT_OPERAND_ADDRESS(FILE, ADDR) \ |
| { register rtx reg1, reg2, breg, ireg; \ |
| register rtx addr = ADDR; \ |
| rtx offset; \ |
| switch (GET_CODE (addr)) \ |
| { \ |
| case REG: \ |
| fprintf (FILE, "(%s)", reg_names[REGNO (addr)]); \ |
| break; \ |
| case PRE_DEC: \ |
| fprintf (FILE, "-(%s)", reg_names[REGNO (XEXP (addr, 0))]); \ |
| break; \ |
| case POST_INC: \ |
| fprintf (FILE, "(%s)+", reg_names[REGNO (XEXP (addr, 0))]); \ |
| break; \ |
| case PLUS: \ |
| reg1 = 0; reg2 = 0; \ |
| ireg = 0; breg = 0; \ |
| offset = 0; \ |
| if (CONSTANT_ADDRESS_P (XEXP (addr, 0))) \ |
| { \ |
| offset = XEXP (addr, 0); \ |
| addr = XEXP (addr, 1); \ |
| } \ |
| else if (CONSTANT_ADDRESS_P (XEXP (addr, 1))) \ |
| { \ |
| offset = XEXP (addr, 1); \ |
| addr = XEXP (addr, 0); \ |
| } \ |
| if (GET_CODE (addr) != PLUS) ; \ |
| else if (GET_CODE (XEXP (addr, 0)) == SIGN_EXTEND) \ |
| { \ |
| reg1 = XEXP (addr, 0); \ |
| addr = XEXP (addr, 1); \ |
| } \ |
| else if (GET_CODE (XEXP (addr, 1)) == SIGN_EXTEND) \ |
| { \ |
| reg1 = XEXP (addr, 1); \ |
| addr = XEXP (addr, 0); \ |
| } \ |
| else if (GET_CODE (XEXP (addr, 0)) == MULT) \ |
| { \ |
| reg1 = XEXP (addr, 0); \ |
| addr = XEXP (addr, 1); \ |
| } \ |
| else if (GET_CODE (XEXP (addr, 1)) == MULT) \ |
| { \ |
| reg1 = XEXP (addr, 1); \ |
| addr = XEXP (addr, 0); \ |
| } \ |
| else if (GET_CODE (XEXP (addr, 0)) == REG) \ |
| { \ |
| reg1 = XEXP (addr, 0); \ |
| addr = XEXP (addr, 1); \ |
| } \ |
| else if (GET_CODE (XEXP (addr, 1)) == REG) \ |
| { \ |
| reg1 = XEXP (addr, 1); \ |
| addr = XEXP (addr, 0); \ |
| } \ |
| if (GET_CODE (addr) == REG || GET_CODE (addr) == MULT \ |
| || GET_CODE (addr) == SIGN_EXTEND) \ |
| { if (reg1 == 0) reg1 = addr; else reg2 = addr; addr = 0; } \ |
| /* for OLD_INDEXING \ |
| else if (GET_CODE (addr) == PLUS) \ |
| { \ |
| if (GET_CODE (XEXP (addr, 0)) == REG) \ |
| { \ |
| reg2 = XEXP (addr, 0); \ |
| addr = XEXP (addr, 1); \ |
| } \ |
| else if (GET_CODE (XEXP (addr, 1)) == REG) \ |
| { \ |
| reg2 = XEXP (addr, 1); \ |
| addr = XEXP (addr, 0); \ |
| } \ |
| } \ |
| */ \ |
| if (offset != 0) { if (addr != 0) abort (); addr = offset; } \ |
| if ((reg1 && (GET_CODE (reg1) == SIGN_EXTEND \ |
| || GET_CODE (reg1) == MULT)) \ |
| || (reg2 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg2)))) \ |
| { breg = reg2; ireg = reg1; } \ |
| else if (reg1 != 0 && REGNO_OK_FOR_BASE_P (REGNO (reg1))) \ |
| { breg = reg1; ireg = reg2; } \ |
| if (ireg != 0 && breg == 0 && GET_CODE (addr) == LABEL_REF) \ |
| { int scale = 1; \ |
| if (GET_CODE (ireg) == MULT) \ |
| { scale = INTVAL (XEXP (ireg, 1)); \ |
| ireg = XEXP (ireg, 0); } \ |
| if (GET_CODE (ireg) == SIGN_EXTEND) \ |
| fprintf (FILE, "(.L%d,pc,%s.w", \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| reg_names[REGNO (XEXP (ireg, 0))]); \ |
| else \ |
| fprintf (FILE, "(.L%d,pc,%s.l", \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| reg_names[REGNO (ireg)]); \ |
| if (scale != 1) fprintf (FILE, "*%d", scale); \ |
| putc (')', FILE); \ |
| break; } \ |
| if (breg != 0 && ireg == 0 && GET_CODE (addr) == LABEL_REF \ |
| && ! (flag_pic && breg == pic_offset_table_rtx)) \ |
| { \ |
| fprintf (FILE, "(.L%d,pc,%s.l", \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| reg_names[REGNO (breg)]); \ |
| putc (')', FILE); \ |
| break; } \ |
| if (ireg != 0 || breg != 0) \ |
| { int scale = 1; \ |
| if (breg == 0) \ |
| abort (); \ |
| putc ('(', FILE); \ |
| if (addr != 0) \ |
| { \ |
| output_addr_const (FILE, addr); \ |
| putc (',', FILE); \ |
| } \ |
| fprintf (FILE, "%s", reg_names[REGNO (breg)]); \ |
| if (ireg != 0) \ |
| putc (',', FILE); \ |
| if (ireg != 0 && GET_CODE (ireg) == MULT) \ |
| { scale = INTVAL (XEXP (ireg, 1)); \ |
| ireg = XEXP (ireg, 0); } \ |
| if (ireg != 0 && GET_CODE (ireg) == SIGN_EXTEND) \ |
| fprintf (FILE, "%s.w", reg_names[REGNO (XEXP (ireg, 0))]); \ |
| else if (ireg != 0) \ |
| fprintf (FILE, "%s.l", reg_names[REGNO (ireg)]); \ |
| if (scale != 1) fprintf (FILE, "*%d", scale); \ |
| putc (')', FILE); \ |
| break; \ |
| } \ |
| else if (reg1 != 0 && GET_CODE (addr) == LABEL_REF) \ |
| { fprintf (FILE, "(.L%d,pc,%s.w)", \ |
| CODE_LABEL_NUMBER (XEXP (addr, 0)), \ |
| reg_names[REGNO (reg1)]); \ |
| break; } \ |
| default: \ |
| if (GET_CODE (addr) == CONST_INT \ |
| && INTVAL (addr) < 0x8000 \ |
| && INTVAL (addr) >= -0x8000) \ |
| fprintf (FILE, "%d.w", INTVAL (addr)); \ |
| else \ |
| output_addr_const (FILE, addr); \ |
| }} |
| |
| |
| #endif /* ! use gas */ |
