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comparison gcc/config/i386/netware.h @ 0:a06113de4d67

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author kent <kent@cr.ie.u-ryukyu.ac.jp>
date Fri, 17 Jul 2009 14:47:48 +0900
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children 855418dad1a3
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-1:000000000000 0:a06113de4d67
1 /* Core target definitions for GCC for Intel 80x86 running Netware.
2 and using dwarf for the debugging format.
3 Copyright (C) 1993, 1994, 2004, 2007, 2008 Free Software Foundation, Inc.
4
5 Written by David V. Henkel-Wallace (gumby@cygnus.com)
6
7 This file is part of GCC.
8
9 GCC is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 3, or (at your option)
12 any later version.
13
14 GCC is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with GCC; see the file COPYING3. If not see
21 <http://www.gnu.org/licenses/>. */
22
23 #define TARGET_VERSION fprintf (stderr, " (x86 NetWare)");
24
25 #undef CPP_SPEC
26 #define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
27
28 #undef LIB_SPEC
29 #define LIB_SPEC ""
30
31 /* Kinda useless, but what the hell */
32 #undef LINK_SPEC
33 #define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \
34 %{b} \
35 %{Qy:} %{!Qn:-Qy}"
36
37 #undef STARTFILE_SPEC
38 #define STARTFILE_SPEC ""
39
40 #undef ENDFILE_SPEC
41 #define ENDFILE_SPEC ""
42
43 #undef RELATIVE_PREFIX_NOT_LINKDIR
44 #undef LIBGCC_SPEC
45
46 #define TARGET_OS_CPP_BUILTINS() \
47 do \
48 { \
49 builtin_define_std ("IAPX386"); \
50 builtin_define ("_M_IX86=300"); \
51 builtin_define ("__netware__"); \
52 builtin_assert ("system=netware"); \
53 builtin_define ("__ELF__"); \
54 builtin_define ("__cdecl=__attribute__((__cdecl__))"); \
55 builtin_define ("__stdcall=__attribute__((__stdcall__))"); \
56 builtin_define ("__fastcall=__attribute__((__fastcall__))"); \
57 if (!flag_iso) \
58 { \
59 builtin_define ("_cdecl=__attribute__((__cdecl__))"); \
60 builtin_define ("_stdcall=__attribute__((__stdcall__))"); \
61 builtin_define ("_fastcall=__attribute__((__fastcall__))"); \
62 } \
63 } \
64 while (0)
65
66 #undef TARGET_CPU_DEFAULT
67 #define TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT_pentium4
68
69 /* By default, target has a 80387, uses IEEE compatible arithmetic,
70 returns float values in the 387, and uses MSVC bit field layout. */
71 #undef TARGET_SUBTARGET_DEFAULT
72 #define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | \
73 MASK_FLOAT_RETURNS | MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT)
74
75 /* Sometimes certain combinations of command options do not make
76 sense on a particular target machine. You can define a macro
77 `OVERRIDE_OPTIONS' to take account of this. This macro, if
78 defined, is executed once just after all the command options have
79 been parsed.
80
81 Don't use this macro to turn on various extra optimizations for
82 `-O'. That is what `OPTIMIZATION_OPTIONS' is for. */
83 #undef OVERRIDE_OPTIONS
84 extern void netware_override_options (void);
85 #define OVERRIDE_OPTIONS netware_override_options ()
86
87 #undef MATH_LIBRARY
88 #define MATH_LIBRARY ""
89
90 /* Align doubles and long-longs in structures on qword boundaries. */
91 #undef BIGGEST_FIELD_ALIGNMENT
92 #define BIGGEST_FIELD_ALIGNMENT 64
93
94 #undef DEFAULT_PCC_STRUCT_RETURN
95 #define DEFAULT_PCC_STRUCT_RETURN 0
96
97 /* Implicit arguments pointing to aggregate return values are to be
98 removed by the caller. */
99 #undef KEEP_AGGREGATE_RETURN_POINTER
100 #define KEEP_AGGREGATE_RETURN_POINTER 1
101
102 #undef DBX_REGISTER_NUMBER
103 #define DBX_REGISTER_NUMBER(n) (svr4_dbx_register_map[n])
104
105 /* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop). */
106 #define HANDLE_PRAGMA_PACK_PUSH_POP
107
108 /* Default structure packing is 1-byte. */
109 #define TARGET_DEFAULT_PACK_STRUCT 1
110
111 #undef WCHAR_TYPE
112 #define WCHAR_TYPE "short unsigned int"
113
114 #undef WCHAR_TYPE_SIZE
115 #define WCHAR_TYPE_SIZE 16
116
117 #undef WINT_TYPE
118 #define WINT_TYPE "int"
119
120 /* A C statement (sans semicolon) to output to the stdio stream
121 FILE the assembler definition of uninitialized global DECL named
122 NAME whose size is SIZE bytes and alignment is ALIGN bytes.
123 Try to use asm_output_aligned_bss to implement this macro. */
124
125 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
126 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
127
128 /* Handle special EH pointer encodings. Absolute, pc-relative, and
129 indirect are handled automatically. */
130 #define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
131 do { \
132 if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel) \
133 { \
134 fputs (ASM_LONG, FILE); \
135 assemble_name (FILE, XSTR (ADDR, 0)); \
136 fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \
137 goto DONE; \
138 } \
139 } while (0)
140
141 /* there is no TLS support in NLMs/on NetWare */
142 #undef HAVE_AS_TLS
143
144 #define HAS_INIT_SECTION
145 #undef INIT_SECTION_ASM_OP
146
147 #define CTOR_LISTS_DEFINED_EXTERNALLY
148
149 #undef READONLY_DATA_SECTION_ASM_OP
150 #define READONLY_DATA_SECTION_ASM_OP ".section\t.rodata"
151
152 /* Define this macro if references to a symbol must be treated
153 differently depending on something about the variable or
154 function named by the symbol (such as what section it is in).
155
156 On i386 running NetWare, modify the assembler name with an underscore (_)
157 or atsign (@) prefix and a suffix consisting of an atsign (@) followed by
158 a string of digits that represents the number of bytes of arguments passed
159 to the function, if it has the attribute STDCALL. Alternatively, if it has
160 the REGPARM attribute, prefix it with an underscore (_), a digit
161 representing the number of registers used, and an atsign (@). */
162 void i386_nlm_encode_section_info (tree, rtx, int);
163 extern tree i386_nlm_mangle_decl_assembler_name (tree, tree);
164 const char *i386_nlm_strip_name_encoding (const char *);
165 #define SUBTARGET_ENCODE_SECTION_INFO i386_nlm_encode_section_info
166 #define TARGET_MANGLE_DECL_ASSEMBLER_NAME i386_nlm_mangle_decl_assembler_name
167 #undef TARGET_STRIP_NAME_ENCODING
168 #define TARGET_STRIP_NAME_ENCODING i386_nlm_strip_name_encoding