1 /* Definitions of target machine for GNU compiler, for SPARC running Solaris 2
2 Copyright 1992 Free Software Foundation, Inc.
3 Contributed by Ron Guilmette (rfg@ncd.com) and
4 David V. Henkel-Wallace (gumby@cygnus.com).
6 This file is part of GNU CC.
8 GNU CC is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2, or (at your option)
13 GNU CC is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with GNU CC; see the file COPYING. If not, write to
20 the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
22 /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */
26 #define CPP_PREDEFINES \
27 "-Dsun -Dsparc -Dunix -D__svr4__ -Asystem(unix) -Acpu(sparc) -Amachine(sparc)"
29 /* The sun bundled assembler doesn't accept -Yd, (and neither does gas).
30 It's safe to pass -s always, even if -g is not used. */
33 "%{V} %{v:%{!V:-V}} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s"
35 /* However it appears that Solaris 2.0 uses the same reg numbering as
36 the old BSD-style system did. */
38 #undef DBX_REGISTER_NUMBER
40 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
42 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
44 #define DBX_BLOCKS_FUNCTION_RELATIVE 1
46 /* "gcc2_compiled." must be a .stabs, not an ordinary symbol, or GDB won't
47 see it. Furthermore, since GDB reads the input piecemeal, starting
48 with each N_SO, it's a lot easier if the gcc2 flag symbol is *after*
49 the N_SO rather than before it. So we emit an N_OPT stab here. */
51 #define ASM_IDENTIFY_GCC(FILE) /* Do nothing */
53 #define ASM_IDENTIFY_GCC_AFTER_SOURCE(FILE) \
54 fputs ("\t.stabs\t\"gcc2_compiled.\", 0x3c, 0, 0, 0\n", FILE)
56 #undef CTORS_SECTION_ASM_OP
57 #undef DTORS_SECTION_ASM_OP
59 #if 0 /* These seems unnecessary; the ones in sparcv4.h look right. */
60 #undef TEXT_SECTION_ASM_OP
61 #undef DATA_SECTION_ASM_OP
62 #undef BSS_SECTION_ASM_OP
63 #undef CONST_SECTION_ASM_OP
64 #undef INIT_SECTION_ASM_OP
66 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
67 #define DATA_SECTION_ASM_OP "\t.section\t\".data\""
68 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
70 #define CONST_SECTION_ASM_OP "\t.section\t\".rodata\""
71 #define INIT_SECTION_ASM_OP "\t.section\t\".init\""
74 #define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#execinstr\n"
75 #define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#execinstr\n"
77 /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
78 #undef ASM_OUTPUT_SKIP
79 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
80 fprintf (FILE, "\t.skip %u\n", (SIZE))
82 #undef ASM_OUTPUT_ALIGNED_LOCAL
83 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
85 fputs ("\t.local\t", (FILE)); \
86 assemble_name ((FILE), (NAME)); \
87 putc ('\n', (FILE)); \
88 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
92 #define COMMON_ASM_OP "\t.common"
94 /* This is how to output a definition of an internal numbered label where
95 PREFIX is the class of label and NUM is the number within the class. */
97 #undef ASM_OUTPUT_INTERNAL_LABEL
98 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
99 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
101 /* This is how to output a reference to an internal numbered label where
102 PREFIX is the class of label and NUM is the number within the class. */
104 #undef ASM_OUTPUT_INTERNAL_LABELREF
105 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
106 fprintf (FILE, ".L%s%d", PREFIX, NUM)
108 /* This is how to store into the string LABEL
109 the symbol_ref name of an internal numbered label where
110 PREFIX is the class of label and NUM is the number within the class.
111 This is suitable for output with `assemble_name'. */
113 #undef ASM_GENERATE_INTERNAL_LABEL
114 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
115 sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
117 /* in Solaris 2.0, linenos are relative to the current fn. */
118 #undef ASM_OUTPUT_SOURCE_LINE
119 #define ASM_OUTPUT_SOURCE_LINE(file, line) \
120 { static int sym_lineno = 1; \
121 fprintf (file, ".stabn 68,0,%d,.LM%d-%s\n.LM%d:\n", \
123 IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl)),\
127 /* But, to make this work, we have to output the stabs for the function
129 #define DBX_FUNCTION_FIRST
132 /* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us.
133 We don't use the standard LIB_SPEC only because we don't yet support c++ */
135 /* If we cannot find the GNU *crt*.o files in the STANDARD_STARTFILE_PREFIX
136 directory, our fallback strategy must be to look for these files instead
137 in the Sun C 2.0 directory. */
139 #undef MD_STARTFILE_PREFIX
140 #define MD_STARTFILE_PREFIX "/opt/SUNWspro/SC2.0/"
142 #undef STARTFILE_SPEC
143 #define STARTFILE_SPEC "%{!shared: \
145 %{pg:crt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} \
147 %{pg:crti.o%s}%{!pg:crti.o%s} \
148 %{ansi:/usr/ccs/lib/values-Xc.o%s} \
150 %{traditional:/usr/ccs/lib/values-Xt.o%s} \
151 %{!traditional:/usr/ccs/lib/values-Xa.o%s}}}}"
155 "%{!shared:%{!symbolic:-lc}} \
156 %{!shared:%{!symbolic:%{pg:crtn.o%s}%{!pg:crtn.o%s}}}"