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. */
22 #define TARGET_VERSION fprintf (stderr, " (sparc VxSim)");
24 /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
27 #define CPP_PREDEFINES \
28 "-DCPU=SIMSPARCSOLARIS -D__vxworks -D__vxworks__ -Dsparc -D__svr4__ -D__SVR4 \
29 -Asystem=embedded -Asystem=svr4 -Acpu=sparc -Amachine=sparc\
30 -D__GCC_NEW_VARARGS__"
36 #define CC1_SPEC "-fno-builtin %{sun4:} %{target:}"
38 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
39 It's safe to pass -s always, even if -g is not used. */
42 "%{V} %{v:%{!V:-V}} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \
43 %{fpic:-K PIC} %{fPIC:-K PIC}"
45 /* However it appears that Solaris 2.0 uses the same reg numbering as
46 the old BSD-style system did. */
48 #undef DBX_REGISTER_NUMBER
50 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
52 /* We use stabs-in-elf for debugging, because that is what the native
54 #undef PREFERRED_DEBUGGING_TYPE
55 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
57 /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
58 #undef ASM_OUTPUT_SKIP
59 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
60 fprintf (FILE, "\t.skip %u\n", (SIZE))
62 #undef ASM_OUTPUT_ALIGNED_LOCAL
63 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
65 fputs ("\t.local\t", (FILE)); \
66 assemble_name ((FILE), (NAME)); \
67 putc ('\n', (FILE)); \
68 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
72 #define COMMON_ASM_OP "\t.common\t"
74 #undef LOCAL_LABEL_PREFIX
75 #define LOCAL_LABEL_PREFIX "."
77 /* This is how to output a definition of an internal numbered label where
78 PREFIX is the class of label and NUM is the number within the class. */
80 #undef ASM_OUTPUT_INTERNAL_LABEL
81 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
82 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
84 /* This is how to output a reference to an internal numbered label where
85 PREFIX is the class of label and NUM is the number within the class. */
87 #undef ASM_OUTPUT_INTERNAL_LABELREF
88 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
89 fprintf (FILE, ".L%s%d", PREFIX, NUM)
91 /* This is how to store into the string LABEL
92 the symbol_ref name of an internal numbered label where
93 PREFIX is the class of label and NUM is the number within the class.
94 This is suitable for output with `assemble_name'. */
96 #undef ASM_GENERATE_INTERNAL_LABEL
97 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
98 sprintf (LABEL, "*.L%s%ld", PREFIX, (long)(NUM))
105 #undef STARTFILE_SPEC
106 #define STARTFILE_SPEC ""
109 #define ENDFILE_SPEC ""
112 #define LINK_SPEC "-r"
114 /* This defines which switch letters take arguments.
115 It is as in svr4.h but with -R added. */
117 #undef SWITCH_TAKES_ARG
118 #define SWITCH_TAKES_ARG(CHAR) \
132 /* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h.
133 Instead, it is enabled here, because it does work under Solaris. */
134 /* Define for support of TFmode long double.
135 SPARC ABI says that long double is 4 words. */
136 #define LONG_DOUBLE_TYPE_SIZE 64