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/* 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, 2002
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"
#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 TARGET_ASM_SELECT_SECTION
#undef EXTRA_SECTIONS
#undef EXTRA_SECTION_FUNCTIONS
#undef READONLY_DATA_SECTION_ASM_OP
#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
#undef ASM_OUTPUT_SOURCE_FILENAME
#define ASM_OUTPUT_SOURCE_FILENAME(FILE, NA) \
do { \
fprintf (FILE, "\t.file\t"); \
output_quoted_string (FILE, NA); \
putc ('\n', FILE); \
} 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 */
|
