1 /* Definitions of target machine for GNU compiler, for SPARC VxSim
2 Copyright 1996 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, 59 Temple Place - Suite 330,
19 Boston, MA 02111-1307, USA. */
21 /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
22 #include "sparc/sysv4.h"
25 #define CPP_PREDEFINES \
26 "-DCPU=SIMSPARCSOLARIS -D__vxworks -D__vxworks__ -Dsparc -D__svr4__ -D__SVR4 \
27 -Asystem=embedded -Asystem=svr4 -Acpu=sparc -Amachine=sparc\
28 -D__GCC_NEW_VARARGS__"
34 #define CC1_SPEC "-fno-builtin %{sun4:} %{target:}"
36 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
37 It's safe to pass -s always, even if -g is not used. */
40 "%{V} %{v:%{!V:-V}} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
41 %{fpic:-K PIC} %{fPIC:-K PIC}"
43 /* However it appears that Solaris 2.0 uses the same reg numbering as
44 the old BSD-style system did. */
46 #undef DBX_REGISTER_NUMBER
48 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
50 /* We use stabs-in-elf for debugging, because that is what the native
52 #undef PREFERRED_DEBUGGING_TYPE
53 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
55 /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
56 #undef ASM_OUTPUT_SKIP
57 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
58 fprintf (FILE, "\t.skip %u\n", (SIZE))
60 #undef ASM_OUTPUT_ALIGNED_LOCAL
61 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
63 fputs ("\t.local\t", (FILE)); \
64 assemble_name ((FILE), (NAME)); \
65 putc ('\n', (FILE)); \
66 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
70 #define COMMON_ASM_OP "\t.common\t"
72 /* This is how to output a definition of an internal numbered label where
73 PREFIX is the class of label and NUM is the number within the class. */
75 #undef ASM_OUTPUT_INTERNAL_LABEL
76 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
77 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
79 /* This is how to output a reference to an internal numbered label where
80 PREFIX is the class of label and NUM is the number within the class. */
82 #undef ASM_OUTPUT_INTERNAL_LABELREF
83 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
84 fprintf (FILE, ".L%s%d", PREFIX, NUM)
86 /* This is how to store into the string LABEL
87 the symbol_ref name of an internal numbered label where
88 PREFIX is the class of label and NUM is the number within the class.
89 This is suitable for output with `assemble_name'. */
91 #undef ASM_GENERATE_INTERNAL_LABEL
92 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
93 sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
100 #undef STARTFILE_SPEC
101 #define STARTFILE_SPEC ""
104 #define ENDFILE_SPEC ""
107 #define LINK_SPEC "-r"
109 /* This defines which switch letters take arguments.
110 It is as in svr4.h but with -R added. */
112 #undef SWITCH_TAKES_ARG
113 #define SWITCH_TAKES_ARG(CHAR) \
127 /* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h.
128 Instead, it is enabled here, because it does work under Solaris. */
129 /* Define for support of TFmode long double and REAL_ARITHMETIC.
130 Sparc ABI says that long double is 4 words. */
131 #define LONG_DOUBLE_TYPE_SIZE 64