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/* Definitions of target machine for GNU compiler. Clipper/Clix version.
Copyright (C) 1988, 1993, 1996 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, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* Names to predefine in the preprocessor for this target machine. */
#define CPP_PREDEFINES "-Dclipper -Dunix -Asystem(unix) -Asystem(svr3) -Acpu(clipper) -Amachine(clipper)"
#undef STARTFILE_SPEC
#define STARTFILE_SPEC \
"%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} crtbegin.o%s"
#undef ENDFILE_SPEC
#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
#undef LIB_SPEC
#undef HAVE_ATEXIT
#define HAVE_ATEXIT
#define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
do { \
unsigned char *s; \
int i; \
for (i = 0, s = (unsigned char *)(PTR); i < (LEN); s++, i++) \
{ \
if ((i % 8) == 0) \
fputs ("\n\t.byte\t", (FILE)); \
fprintf ((FILE), "%s0x%x", (i%8?",":""), (unsigned)*s); \
} \
fputs ("\n", (FILE)); \
} while (0)
#undef ASM_OUTPUT_DOUBLE
#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
{ \
union { int i[2]; double d; } _d_; \
_d_.d = VALUE; \
fprintf (FILE, "\t.long 0x%08x,0x%08x\n", _d_.i[0],_d_.i[1]); \
}
#undef ASM_OUTPUT_FLOAT
#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
{ \
union { int i; float f; } _f_; \
_f_.f = VALUE; \
fprintf (FILE, "\t.long 0x%08x\n", _f_.i); \
}
/* This is how to output an assembler line
that says to advance the location counter
to a multiple of 2**LOG bytes. */
#define ASM_OUTPUT_ALIGN(FILE,LOG) \
fprintf(FILE, "\t.align %d\n", 1 << (LOG))
#define ASM_LONG ".long"
#define BSS_SECTION_ASM_OP ".bss"
#undef INIT_SECTION_ASM_OP
#define INIT_SECTION_ASM_OP ".section .init,\"x\""
/* Define a few machine-specific details of the implementation of
constructors.
The __CTORS_LIST__ goes in the .init section. Define CTOR_LIST_BEGIN
and CTOR_LIST_END to contribute to the .init section an instruction to
push a word containing 0 (or some equivalent of that).
ASM_OUTPUT_CONSTRUCTOR should be defined to push the address of the
constructor. */
#define CTOR_LIST_BEGIN \
asm (INIT_SECTION_ASM_OP); \
asm ("subq $8,sp"); \
asm ("loadq $0,r0"); \
asm ("storw r0,(sp)")
/* don't need end marker */
#undef CTOR_LIST_END
#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
do { \
init_section (); \
fputs ("\tloada ", FILE); \
assemble_name (FILE, NAME); \
fputs (",r0\n\tsubq $8,sp\n\tstorw r0,(sp)\n", FILE); \
} while (0)
/* fini psect is 8 aligned */
#define DTOR_LIST_BEGIN \
asm (DTORS_SECTION_ASM_OP); \
func_ptr __DTOR_LIST__[2] = { (func_ptr) (-1), 0 };
/* A C statement (sans semicolon) to output an element in the table of
global destructors. */
#undef ASM_OUTPUT_DESTRUCTOR
#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
do { \
fini_section (); \
fprintf (FILE, "%s\t ", ASM_LONG); \
assemble_name (FILE, NAME); \
fprintf (FILE, ",0\n"); \
} while (0)
/* On clix crt1.o first calls init code and then sets environ and a valid
chrclass. Unfortunately stdio routines bomb with unset chrclass.
Therefore we set chrclass prior to calling global constructors. */
#undef DO_GLOBAL_CTORS_BODY
#define DO_GLOBAL_CTORS_BODY \
do { \
func_ptr *p, *beg = alloca (0); \
_setchrclass (0); \
for (p = beg; *p; p+=2) \
; \
while (p != beg) \
{ p-= 2; (*p) (); } \
} while (0)
#undef DO_GLOBAL_DTORS_BODY
#define DO_GLOBAL_DTORS_BODY \
func_ptr *f = &__DTOR_LIST__[2]; /* 0,1 contains -1,0 */ \
int n = 0; \
while (*f) \
{ \
f+= 2; /* skip over alignment 0 */ \
n++; \
} \
f -= 2; \
while (--n >= 0) \
{ \
(*f) (); \
f-= 2; /* skip over alignment 0 */ \
}
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