226 lines
6.1 KiB
C
226 lines
6.1 KiB
C
/* Definitions of target machine for GNU compiler.
|
||
Encore Multimax (OSF/1 with OSF/rose) version.
|
||
Copyright (C) 1991 Free Software Foundation, Inc.
|
||
|
||
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, 675 Mass Ave, Cambridge, MA 02139, USA. */
|
||
|
||
#include "i386gas.h"
|
||
|
||
#define OSF_OS
|
||
|
||
/* Use a more friendly abort which prints internal compiler error,
|
||
rather than just dumping core. */
|
||
|
||
#ifndef abort
|
||
#define abort fancy_abort
|
||
#endif
|
||
|
||
/* Prefix that appears before all global/static identifiers, except for
|
||
temporary labels. */
|
||
|
||
#define IDENTIFIER_PREFIX "_"
|
||
|
||
/* Suffix that appears after all global/static identifiers, except for
|
||
temporary labels. */
|
||
|
||
#define IDENTIFIER_SUFFIX ""
|
||
|
||
/* Change default predefines. */
|
||
#ifdef CPP_PREDEFINES
|
||
#undef CPP_PREDEFINES
|
||
#endif
|
||
#define CPP_PREDEFINES "-DOSF -DOSF1 -Dunix -Di386"
|
||
|
||
#ifdef CPP_SPEC
|
||
#undef CPP_SPEC
|
||
#endif
|
||
#define CPP_SPEC "\
|
||
%{.S: -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
|
||
%{.cc: -D__LANGUAGE_C_PLUS_PLUS} \
|
||
%{.cxx: -D__LANGUAGE_C_PLUS_PLUS} \
|
||
%{.C: -D__LANGUAGE_C_PLUS_PLUS} \
|
||
%{.m: -D__LANGUAGE_OBJECTIVE_C} \
|
||
%{!.S: -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
|
||
|
||
#ifdef CC1_SPEC
|
||
#undef CC1_SPEC
|
||
#endif
|
||
#define CC1_SPEC ""
|
||
|
||
#ifdef ASM_SPEC
|
||
#undef ASM_SPEC
|
||
#endif
|
||
#define ASM_SPEC ""
|
||
|
||
#ifdef LINK_SPEC
|
||
#undef LINK_SPEC
|
||
#endif
|
||
#define LINK_SPEC "%{v*: -v} \
|
||
%{pic-none: -noshrlib} %{noshrlib} \
|
||
%{!pic-none: -warn_nopic} \
|
||
%{nostdlib} %{glue}"
|
||
|
||
#ifdef LIB_SPEC
|
||
#undef LIB_SPEC
|
||
#endif
|
||
|
||
/* For now, force static libraries instead of shared, but do so that
|
||
does not use -noshrlib, since the old linker does not provide it. */
|
||
|
||
#define LIB_SPEC "%{!pic-none: %{!pic-lib: -L/usr/ccs/lib }} -lc"
|
||
|
||
#ifdef LIBG_SPEC
|
||
#undef LIBG_SPEC
|
||
#endif
|
||
#define LIBG_SPEC ""
|
||
|
||
#ifdef STARTFILE_SPEC
|
||
#undef STARTFILE_SPEC
|
||
#endif
|
||
#define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}"
|
||
|
||
#ifdef MACHINE_TYPE
|
||
#undef MACHINE_TYPE
|
||
#endif
|
||
|
||
#define MACHINE_TYPE ((!TARGET_486) ? "80386 running OSF/1 with OSF/rose objects" : \
|
||
"80486 running OSF/1 with OSF/rose objects")
|
||
|
||
#ifdef MD_EXEC_PREFIX
|
||
#undef MD_EXEC_PREFIX
|
||
#endif
|
||
#define MD_EXEC_PREFIX "/usr/ccs/gcc/"
|
||
|
||
#ifdef MD_STARTFILE_PREFIX
|
||
#undef MD_STARTFILE_PREFIX
|
||
#endif
|
||
#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
|
||
|
||
/* Tell final.c we don't need a label passed to mcount. */
|
||
#define NO_PROFILE_DATA
|
||
|
||
#undef FUNCTION_PROFILER
|
||
#define FUNCTION_PROFILER(FILE, LABELNO) fprintf (FILE, "\tcall _mcount\n")
|
||
|
||
/* Tell collect that the object format is OSF/rose. */
|
||
#define OBJECT_FORMAT_ROSE
|
||
|
||
/* Use atexit for static constructors/destructors, instead of defining
|
||
our own exit function. */
|
||
#define HAVE_ATEXIT
|
||
|
||
/* Define this macro meaning that gcc should find the library 'libgcc.a'
|
||
by hand, rather than passing the argeument '-lgcc' to tell the linker
|
||
to do the search */
|
||
#define LINK_LIBGCC_SPECIAL
|
||
|
||
/* This is how to output an assembler line defining a `double' constant.
|
||
Use "word" pseudos to avoid printing NaNs, infinity, etc. */
|
||
|
||
/* This is how to output an assembler line defining a `double' constant. */
|
||
|
||
#ifdef ASM_OUTPUT_DOUBLE
|
||
#undef ASM_OUTPUT_DOUBLE
|
||
#endif
|
||
#define ASM_OUTPUT_DOUBLE(STREAM,VALUE) \
|
||
{ \
|
||
union { double d; long l[2]; } u2; \
|
||
u2.d = VALUE; \
|
||
fprintf (STREAM, "\t.long\t0x%08lx\t\t# %.20g\n\t.long\t0x%08lx\n", \
|
||
u2.l[0], u2.d, u2.l[1]); \
|
||
}
|
||
|
||
/* This is how to output an assembler line defining a `float' constant. */
|
||
|
||
#ifdef ASM_OUTPUT_FLOAT
|
||
#undef ASM_OUTPUT_FLOAT
|
||
#endif
|
||
#define ASM_OUTPUT_FLOAT(STREAM,VALUE) \
|
||
{ \
|
||
union { float f; long l; } u2; \
|
||
u2.f = VALUE; \
|
||
fprintf (STREAM, "\t.long\t0x%08lx\t\t# %.12g\n", u2.l, u2.f); \
|
||
}
|
||
|
||
/* Generate calls to memcpy, etc., not bcopy, etc. */
|
||
#define TARGET_MEM_FUNCTIONS
|
||
|
||
|
||
/* Defines to be able to build libgcc.a with GCC. */
|
||
|
||
#define perform_udivsi3(a,b) \
|
||
{ \
|
||
register int dx asm("dx"); \
|
||
register int ax asm("ax"); \
|
||
\
|
||
dx = 0; \
|
||
ax = a; \
|
||
asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b), "d" (dx)); \
|
||
return ax; \
|
||
}
|
||
|
||
#define perform_divsi3(a,b) \
|
||
{ \
|
||
register int dx asm("dx"); \
|
||
register int ax asm("ax"); \
|
||
\
|
||
ax = a; \
|
||
asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b)); \
|
||
return ax; \
|
||
}
|
||
|
||
#define perform_umodsi3(a,b) \
|
||
{ \
|
||
register int dx asm("dx"); \
|
||
register int ax asm("ax"); \
|
||
\
|
||
dx = 0; \
|
||
ax = a; \
|
||
asm ("divl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b), "d" (dx)); \
|
||
return dx; \
|
||
}
|
||
|
||
#define perform_modsi3(a,b) \
|
||
{ \
|
||
register int dx asm("dx"); \
|
||
register int ax asm("ax"); \
|
||
\
|
||
ax = a; \
|
||
asm ("cltd\n\tidivl %3" : "=a" (ax), "=d" (dx) : "a" (ax), "g" (b)); \
|
||
return dx; \
|
||
}
|
||
|
||
#define perform_fixdfsi(a) \
|
||
{ \
|
||
auto unsigned short ostatus; \
|
||
auto unsigned short nstatus; \
|
||
auto int ret; \
|
||
\
|
||
&ostatus; /* guarantee these land in memory */ \
|
||
&nstatus; \
|
||
&ret; \
|
||
\
|
||
asm volatile ("fnstcw %0" : "=m" (ostatus)); \
|
||
nstatus = ostatus | 0x0c00; \
|
||
asm volatile ("fldcw %0" : /* no outputs */ : "m" (nstatus)); \
|
||
asm volatile ("fldl %0" : /* no outputs */ : "m" (a)); \
|
||
asm volatile ("fistpl %0" : "=m" (ret)); \
|
||
asm volatile ("fldcw %0" : /* no outputs */ : "m" (ostatus)); \
|
||
\
|
||
return ret; \
|
||
}
|