sol2.h revision 90075 
1/* Target definitions for GNU compiler for Intel 80386 running Solaris 2
2   Copyright (C) 1993, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
3   Free Software Foundation, Inc.
4   Contributed by Fred Fish (fnf@cygnus.com).
5
6This file is part of GNU CC.
7
8GNU CC is free software; you can redistribute it and/or modify
9it under the terms of the GNU General Public License as published by
10the Free Software Foundation; either version 2, or (at your option)
11any later version.
12
13GNU CC is distributed in the hope that it will be useful,
14but WITHOUT ANY WARRANTY; without even the implied warranty of
15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16GNU General Public License for more details.
17
18You should have received a copy of the GNU General Public License
19along with GNU CC; see the file COPYING.  If not, write to
20the Free Software Foundation, 59 Temple Place - Suite 330,
21Boston, MA 02111-1307, USA.  */
22
23
24/* We use stabs-in-elf for debugging, because that is what the native
25   toolchain uses.  */
26#undef PREFERRED_DEBUGGING_TYPE
27#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
28
29#if ! GAS_REJECTS_MINUS_S
30
31/*
32  Changed from config/svr4.h in the following ways:
33
34  - Removed -Yd (neither the sun bundled assembler nor gas accept it).
35  - Added "-s" so that stabs are not discarded.
36*/
37
38#undef ASM_SPEC
39#define ASM_SPEC \
40  "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s"
41
42#else /* GAS_REJECTS_MINUS_S */
43
44/* Same as above, except for -s, unsupported by GNU as.  */
45#undef ASM_SPEC
46#define ASM_SPEC \
47  "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*}"
48
49#endif /* GAS_REJECTS_MINUS_S */
50
51/* The Solaris 2.0 x86 linker botches alignment of code sections.
52   It tries to align to a 16 byte boundary by padding with 0x00000090
53   ints, rather than 0x90 bytes (nop).  This generates trash in the
54   ".init" section since the contribution from crtbegin.o is only 7
55   bytes.  The linker pads it to 16 bytes with a single 0x90 byte, and
56   two 0x00000090 ints, which generates a segmentation violation when
57   executed.  This macro forces the assembler to do the padding, since
58   it knows what it is doing.  */
59#define FORCE_CODE_SECTION_ALIGN  asm(ALIGN_ASM_OP "16");
60
61/* Select a format to encode pointers in exception handling data.  CODE
62   is 0 for data, 1 for code labels, 2 for function pointers.  GLOBAL is
63   true if the symbol may be affected by dynamic relocations.  */
64#undef ASM_PREFERRED_EH_DATA_FORMAT
65#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL)			\
66  (flag_pic ? (GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_datarel	\
67   : DW_EH_PE_absptr)
68
69/* Solaris 2/Intel uses a wint_t different from the default, as on SPARC.  */
70#undef	WINT_TYPE
71#define	WINT_TYPE "long int"
72
73#undef	WINT_TYPE_SIZE
74#define	WINT_TYPE_SIZE BITS_PER_WORD
75
76/* Add "sun" to the list of symbols defined for SVR4.  */
77#undef CPP_PREDEFINES
78#define CPP_PREDEFINES \
79  "-Dunix -D__svr4__ -D__SVR4 -Dsun -Asystem=svr4"
80
81/* Solaris 2/Intel as chokes on #line directives.  */
82#undef CPP_SPEC
83#define CPP_SPEC \
84  "%{.S:-P} \
85   %(cpp_cpu) \
86   %{pthreads:-D_REENTRANT -D_PTHREADS} \
87   %{!pthreads:%{threads:-D_REENTRANT -D_SOLARIS_THREADS}} \
88   %{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude}"
89
90/* For C++ we need to add some additional macro definitions required
91   by the C++ standard library.  */
92#define CPLUSPLUS_CPP_SPEC "\
93-D_XOPEN_SOURCE=500 -D_LARGEFILE_SOURCE=1 -D_LARGEFILE64_SOURCE=1 \
94-D__EXTENSIONS__ \
95%(cpp) \
96"
97
98#undef LIB_SPEC
99#define LIB_SPEC \
100  "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \
101   %{!shared:\
102     %{!symbolic:\
103       %{pthreads:-lpthread} \
104       %{!pthreads:%{threads:-lthread}} \
105       -lc}}"
106
107#undef  ENDFILE_SPEC
108#define ENDFILE_SPEC "crtend.o%s %{pg:crtn.o%s}%{!pg:crtn.o%s}"
109
110#undef	STARTFILE_SPEC
111#define STARTFILE_SPEC "%{!shared: \
112			 %{!symbolic: \
113			  %{pg:gcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}}}\
114			%{pg:gmon.o%s} crti.o%s \
115			%{ansi:values-Xc.o%s} \
116			%{!ansi: \
117			 %{traditional:values-Xt.o%s} \
118			 %{!traditional:values-Xa.o%s}} \
119 			crtbegin.o%s"
120
121/* This should be the same as in svr4.h, except with -R added.  */
122#undef LINK_SPEC
123#define LINK_SPEC \
124  "%{h*} %{v:-V} \
125   %{b} %{Wl,*:%*} \
126   %{static:-dn -Bstatic} \
127   %{shared:-G -dy %{!mimpure-text:-z text}} \
128   %{symbolic:-Bsymbolic -G -dy -z text} \
129   %{G:-G} \
130   %{YP,*} \
131   %{R*} \
132   %{compat-bsd: \
133     %{!YP,*:%{pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
134             %{!pg:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
135                   %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}}} \
136             -R /usr/ucblib} \
137   %{!compat-bsd: \
138     %{!YP,*:%{pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
139             %{!pg:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \
140                   %{!p:-Y P,/usr/ccs/lib:/usr/lib}}}} \
141   %{Qy:} %{!Qn:-Qy}"
142
143/* This defines which switch letters take arguments.
144   It is as in svr4.h but with -R added.  */
145
146#undef SWITCH_TAKES_ARG
147#define SWITCH_TAKES_ARG(CHAR) \
148  (DEFAULT_SWITCH_TAKES_ARG(CHAR) \
149   || (CHAR) == 'R' \
150   || (CHAR) == 'h' \
151   || (CHAR) == 'z')
152
153#define STDC_0_IN_SYSTEM_HEADERS 1
154
155#undef LOCAL_LABEL_PREFIX
156#define LOCAL_LABEL_PREFIX "."
157