1 /* Definitions of target machine for GNU compiler. Vax sysV version.
2 Copyright (C) 1988 Free Software Foundation, Inc.
4 This file is part of GNU CC.
6 GNU CC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2, or (at your option)
11 GNU CC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with GNU CC; see the file COPYING. If not, write to
18 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
20 #include "clipper/clipper.h"
24 /* Names to predefine in the preprocessor for this target machine. */
26 #define CPP_PREDEFINES "-Dclipper -Dunix -Asystem(unix) -Asystem(svr3) -Acpu(clipper) -Amachine(clipper)"
29 #define STARTFILE_SPEC \
30 "%{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} crtbegin.o%s"
33 #define ENDFILE_SPEC "crtend.o%s crtn.o%s"
40 #define ASM_OUTPUT_ASCII(FILE,PTR,LEN) \
44 for (i = 0, s = (unsigned char *)(PTR); i < (LEN); s++, i++) \
47 fputs ("\n\t.byte\t", (FILE)); \
48 fprintf ((FILE), "%s0x%x", (i%8?",":""), (unsigned)*s); \
50 fputs ("\n", (FILE)); \
53 #undef ASM_OUTPUT_DOUBLE
54 #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
56 union { int i[2]; double d; } _d_; \
58 fprintf (FILE, "\t.long 0x%08x,0x%08x\n", _d_.i[0],_d_.i[1]); \
61 #undef ASM_OUTPUT_FLOAT
62 #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
64 union { int i; float f; } _f_; \
66 fprintf (FILE, "\t.long 0x%08x\n", _f_.i); \
69 /* This is how to output an assembler line
70 that says to advance the location counter
71 to a multiple of 2**LOG bytes. */
73 #define ASM_OUTPUT_ALIGN(FILE,LOG) \
74 fprintf(FILE, "\t.align %d\n", 1 << (LOG))
77 #define ASM_LONG ".long"
78 #define BSS_SECTION_ASM_OP ".bss"
79 #undef INIT_SECTION_ASM_OP
80 #define INIT_SECTION_ASM_OP ".section .init,\"x\""
83 /* Define a few machine-specific details of the implementation of
86 The __CTORS_LIST__ goes in the .init section. Define CTOR_LIST_BEGIN
87 and CTOR_LIST_END to contribute to the .init section an instruction to
88 push a word containing 0 (or some equivalent of that).
90 ASM_OUTPUT_CONSTRUCTOR should be defined to push the address of the
93 #define CTOR_LIST_BEGIN \
94 asm (INIT_SECTION_ASM_OP); \
96 asm ("loadq $0,r0"); \
99 /* don't need end marker */
103 #define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
106 fputs ("\tloada ", FILE); \
107 assemble_name (FILE, NAME); \
108 fputs (",r0\n\tsubq $8,sp\n\tstorw r0,(sp)\n", FILE); \
112 /* fini psect is 8 aligned */
114 #define DTOR_LIST_BEGIN \
115 asm (DTORS_SECTION_ASM_OP); \
116 func_ptr __DTOR_LIST__[2] = { (func_ptr) (-1), 0 };
118 /* A C statement (sans semicolon) to output an element in the table of
119 global destructors. */
121 #undef ASM_OUTPUT_DESTRUCTOR
122 #define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
125 fprintf (FILE, "%s\t ", ASM_LONG); \
126 assemble_name (FILE, NAME); \
127 fprintf (FILE, ",0\n"); \
131 /* On clix crt1.o first calls init code and then sets environ and a valid
132 chrclass. Unfortunately stdio routines bomb with unset chrclass.
133 Therefore we set chrclass prior to calling global constructors. */
135 #undef DO_GLOBAL_CTORS_BODY
136 #define DO_GLOBAL_CTORS_BODY \
138 func_ptr *p, *beg = alloca (0); \
140 for (p = beg; *p; p+=2) \
143 { p-= 2; (*p) (); } \
147 #undef DO_GLOBAL_DTORS_BODY
148 #define DO_GLOBAL_DTORS_BODY \
149 func_ptr *f = &__DTOR_LIST__[2]; /* 0,1 contains -1,0 */ \
153 f+= 2; /* skip over alignment 0 */ \
160 f-= 2; /* skip over alignment 0 */ \