1/* Solaris 10 configuration.
2   Copyright (C) 2004 Free Software Foundation, Inc.
3   Contributed by CodeSourcery, LLC.
4
5This file is part of GCC.
6
7GCC is free software; you can redistribute it and/or modify
8it under the terms of the GNU General Public License as published by
9the Free Software Foundation; either version 2, or (at your option)
10any later version.
11
12GCC is distributed in the hope that it will be useful,
13but WITHOUT ANY WARRANTY; without even the implied warranty of
14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15GNU General Public License for more details.
16
17You should have received a copy of the GNU General Public License
18along with GCC; see the file COPYING.  If not, write to
19the Free Software Foundation, 51 Franklin Street, Fifth Floor,
20Boston, MA 02110-1301, USA.  */
21
22#undef ASM_COMMENT_START
23#define ASM_COMMENT_START "/"
24
25/* binutils' GNU as understands --32 and --64, but the native Solaris
26   assembler requires -xarch=generic or -xarch=generic64 instead.  */
27#undef ASM_SPEC
28#ifdef USE_GAS
29#define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} " \
30		 "%{Wa,*:%*} %{m32:--32} %{m64:--64} -s %(asm_cpu)"
31#else
32#define ASM_SPEC "%{v:-V} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Yd,*} " \
33		 "%{Wa,*:%*} %{m32:-xarch=generic} %{m64:-xarch=generic64} " \
34		 "-s %(asm_cpu)"
35#endif
36
37#undef NO_PROFILE_COUNTERS
38
39#undef MCOUNT_NAME
40#define MCOUNT_NAME "_mcount"
41
42#undef WCHAR_TYPE
43#define WCHAR_TYPE (TARGET_64BIT ? "int" : "long int")
44#undef WCHAR_TYPE_SIZE
45#define WCHAR_TYPE_SIZE 32
46
47#undef WINT_TYPE
48#define WINT_TYPE (TARGET_64BIT ? "int" : "long int")
49#undef WINT_TYPE_SIZE
50#define WINT_TYPE_SIZE 32
51
52#define SUBTARGET_OVERRIDE_OPTIONS				\
53  do								\
54    {								\
55      if (flag_omit_frame_pointer == 2)				\
56	flag_omit_frame_pointer = 0;				\
57    }								\
58  while (0)
59
60#undef TARGET_SUBTARGET_DEFAULT
61#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP	\
62				  | MASK_FLOAT_RETURNS)
63
64#define SUBTARGET_OPTIMIZATION_OPTIONS			\
65  do							\
66    {							\
67      if (optimize >= 1)				\
68	target_flags |= MASK_OMIT_LEAF_FRAME_POINTER;	\
69    }							\
70  while (0)
71
72#define MULTILIB_DEFAULTS { "m32" }
73
74#undef LINK_ARCH64_SPEC_BASE
75#define LINK_ARCH64_SPEC_BASE \
76  "%{G:-G} \
77   %{YP,*} \
78   %{R*} \
79   %{compat-bsd: \
80     %{!YP,*:%{p|pg:-Y P,/usr/ucblib/64:/usr/lib/libp/64:/lib/64:/usr/lib/64} \
81             %{!p:%{!pg:-Y P,/usr/ucblib/64:/lib:/usr/lib/64}}} \
82             -R /usr/ucblib/64} \
83   %{!compat-bsd: \
84     %{!YP,*:%{p|pg:-Y P,/usr/lib/libp/64:/lib/64:/usr/lib/64} \
85             %{!p:%{!pg:-Y P,/lib/64:/usr/lib/64}}}}"
86
87#undef LINK_ARCH64_SPEC
88#define LINK_ARCH64_SPEC LINK_ARCH64_SPEC_BASE
89
90#ifdef TARGET_GNU_LD
91#define TARGET_LD_EMULATION "%{m64:-m elf_x86_64}%{!m64:-m elf_i386} "
92#else
93#define TARGET_LD_EMULATION ""
94#endif
95
96#undef LINK_ARCH_SPEC
97#define LINK_ARCH_SPEC TARGET_LD_EMULATION \
98		       "%{m64:" LINK_ARCH64_SPEC "}%{!m64:" LINK_ARCH32_SPEC "}"
99
100/* We do not need to search a special directory for startup files.  */
101#undef MD_STARTFILE_PREFIX
102
103#undef TARGET_ASM_NAMED_SECTION
104#define TARGET_ASM_NAMED_SECTION i386_solaris_elf_named_section
105
106/* In 32-bit mode, follow the SVR4 ABI definition; in 64-bit mode, use
107   the AMD64 ABI definition.  */
108#undef RETURN_IN_MEMORY
109#define RETURN_IN_MEMORY(TYPE)			\
110  (TARGET_64BIT 				\
111   ? ix86_return_in_memory (TYPE)		\
112   : (TYPE_MODE (TYPE) == BLKmode		\
113      || (VECTOR_MODE_P (TYPE_MODE (TYPE)) 	\
114	  && int_size_in_bytes (TYPE) == 8)))
115