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: */
23 #include "sparc/sparcv4.h"
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 \
34 %{fpic:-K PIC} %{fPIC:-K PIC}"
36 /* However it appears that Solaris 2.0 uses the same reg numbering as
37 the old BSD-style system did. */
39 #undef DBX_REGISTER_NUMBER
41 #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
43 /* We use stabs-in-elf for debugging, because that is what the native
45 #define DBX_DEBUGGING_INFO
46 #define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
48 #define DBX_BLOCKS_FUNCTION_RELATIVE 1
50 /* "gcc2_compiled." must be a .stabs, not an ordinary symbol, or GDB won't
51 see it. Furthermore, since GDB reads the input piecemeal, starting
52 with each N_SO, it's a lot easier if the gcc2 flag symbol is *after*
53 the N_SO rather than before it. So we emit an N_OPT stab here. */
55 #define ASM_IDENTIFY_GCC(FILE) /* Do nothing */
57 #define ASM_IDENTIFY_GCC_AFTER_SOURCE(FILE) \
58 fputs ("\t.stabs\t\"gcc2_compiled.\", 0x3c, 0, 0, 0\n", FILE)
60 #undef CTORS_SECTION_ASM_OP
61 #undef DTORS_SECTION_ASM_OP
63 #if 0 /* These seems unnecessary; the ones in sparcv4.h look right. */
64 #undef TEXT_SECTION_ASM_OP
65 #undef DATA_SECTION_ASM_OP
66 #undef BSS_SECTION_ASM_OP
67 #undef CONST_SECTION_ASM_OP
68 #undef INIT_SECTION_ASM_OP
70 #define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
71 #define DATA_SECTION_ASM_OP "\t.section\t\".data\""
72 #define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
74 #define CONST_SECTION_ASM_OP "\t.section\t\".rodata\""
75 #define INIT_SECTION_ASM_OP "\t.section\t\".init\""
78 #define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#execinstr\n"
79 #define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#execinstr\n"
81 /* The native assembler can't compute differences between symbols in different
82 sections when generating pic code, so we must put jump tables in the
84 #define JUMP_TABLES_IN_TEXT_SECTION 1
86 /* Must use data section for relocatable constants when pic. */
87 #undef SELECT_RTX_SECTION
88 #define SELECT_RTX_SECTION(MODE,RTX) \
90 if (flag_pic && symbolic_operand (RTX)) \
96 /* The Solaris 2 assembler uses .skip, not .zero, so put this back. */
97 #undef ASM_OUTPUT_SKIP
98 #define ASM_OUTPUT_SKIP(FILE,SIZE) \
99 fprintf (FILE, "\t.skip %u\n", (SIZE))
101 #undef ASM_OUTPUT_ALIGNED_LOCAL
102 #define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \
104 fputs ("\t.local\t", (FILE)); \
105 assemble_name ((FILE), (NAME)); \
106 putc ('\n', (FILE)); \
107 ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
111 #define COMMON_ASM_OP "\t.common"
113 /* This is how to output a definition of an internal numbered label where
114 PREFIX is the class of label and NUM is the number within the class. */
116 #undef ASM_OUTPUT_INTERNAL_LABEL
117 #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
118 fprintf (FILE, ".L%s%d:\n", PREFIX, NUM)
120 /* This is how to output a reference to an internal numbered label where
121 PREFIX is the class of label and NUM is the number within the class. */
123 #undef ASM_OUTPUT_INTERNAL_LABELREF
124 #define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \
125 fprintf (FILE, ".L%s%d", PREFIX, NUM)
127 /* This is how to store into the string LABEL
128 the symbol_ref name of an internal numbered label where
129 PREFIX is the class of label and NUM is the number within the class.
130 This is suitable for output with `assemble_name'. */
132 #undef ASM_GENERATE_INTERNAL_LABEL
133 #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
134 sprintf (LABEL, "*.L%s%d", PREFIX, NUM)
136 /* in Solaris 2.0, linenos are relative to the current fn. */
137 #undef ASM_OUTPUT_SOURCE_LINE
138 #define ASM_OUTPUT_SOURCE_LINE(file, line) \
139 { static int sym_lineno = 1; \
140 fprintf (file, ".stabn 68,0,%d,.LM%d-%s\n.LM%d:\n", \
142 IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl)),\
146 /* But, to make this work, we have to output the stabs for the function
148 #define DBX_FUNCTION_FIRST
151 /* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us.
152 We don't use the standard LIB_SPEC only because we don't yet support c++ */
154 /* If we cannot find the GNU *crt*.o files in the STANDARD_STARTFILE_PREFIX
155 directory, our fallback strategy must be to look for these files instead
156 in the Sun C 2.0 directory. */
158 #undef MD_STARTFILE_PREFIX
159 #define MD_STARTFILE_PREFIX "/opt/SUNWspro/SC2.0/"
161 #undef STARTFILE_SPEC
162 #define STARTFILE_SPEC "%{!shared: \
164 %{pg:crt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} \
166 %{pg:crti.o%s}%{!pg:crti.o%s} \
167 %{ansi:/usr/ccs/lib/values-Xc.o%s} \
169 %{traditional:/usr/ccs/lib/values-Xt.o%s} \
170 %{!traditional:/usr/ccs/lib/values-Xa.o%s}}}} \
175 "%{!shared:%{!symbolic:-lc}} \
177 %{!shared:%{!symbolic:%{pg:crtn.o%s}%{!pg:crtn.o%s}}}"
179 /* This should be the same as in svr4.h, except with -R added. */
181 #define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \
183 %{static:-dn -Bstatic} \
185 %{symbolic:-Bsymbolic -G -dy} \
189 %{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
190 %{!p:-Y P,/usr/ccs/lib:/usr/lib}} \
193 /* This defines which switch letters take arguments.
194 It is as in svr4.h but with -R added. */
196 #undef SWITCH_TAKES_ARG
197 #define SWITCH_TAKES_ARG(CHAR) \