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- /* Definitions of target machine for GNU compiler. Clipper/Clix version.
- Copyright (C) 1988, 1993 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 "clipper/clipper.h"
-
- #include "svr3.h"
-
- /* 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 */ \
- }
-
-
-