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Diffstat (limited to 'gcc/config/clipper/clix.h')
| -rwxr-xr-x | gcc/config/clipper/clix.h | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/gcc/config/clipper/clix.h b/gcc/config/clipper/clix.h new file mode 100755 index 0000000..c36e4de --- /dev/null +++ b/gcc/config/clipper/clix.h @@ -0,0 +1,162 @@ +/* Definitions of target machine for GNU compiler. Clipper/Clix version. + Copyright (C) 1988, 1993, 1996, 1997 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 + +#define TARGET_MEM_FUNCTIONS + +#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 */ \ + } + + |