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 Free Software Foundation, Inc.
4
5   Written by David V. Henkel-Wallace (gumby@cygnus.com)
6
7This file is part of GCC.
8
9GCC is free software; you can redistribute it and/or modify
10it under the terms of the GNU General Public License as published by
11the Free Software Foundation; either version 2, or (at your option)
12any later version.
13
14GCC is distributed in the hope that it will be useful,
15but WITHOUT ANY WARRANTY; without even the implied warranty of
16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17GNU General Public License for more details.
18
19You should have received a copy of the GNU General Public License
20along with GCC; see the file COPYING.  If not, write to
21the Free Software Foundation, 51 Franklin Street, Fifth Floor,
22Boston, MA 02110-1301, USA.  */
23
24#define TARGET_VERSION fprintf (stderr, " (x86 NetWare)");
25
26#undef  CPP_SPEC
27#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
28
29#undef	LIB_SPEC
30#define LIB_SPEC ""
31
32/* Kinda useless, but what the hell */
33#undef	LINK_SPEC
34#define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \
35		   %{b} \
36		   %{Qy:} %{!Qn:-Qy}"
37
38#undef	STARTFILE_SPEC
39#define STARTFILE_SPEC ""
40
41#undef	ENDFILE_SPEC
42#define ENDFILE_SPEC ""
43
44#undef	RELATIVE_PREFIX_NOT_LINKDIR
45#undef	LIBGCC_SPEC
46
47#define TARGET_OS_CPP_BUILTINS()					\
48  do									\
49    {									\
50	builtin_define_std ("IAPX386");					\
51	builtin_define ("_M_IX86=300");					\
52	builtin_define ("__netware__");					\
53	builtin_assert ("system=netware");				\
54	builtin_define ("__ELF__");					\
55	builtin_define ("__cdecl=__attribute__((__cdecl__))");		\
56	builtin_define ("__stdcall=__attribute__((__stdcall__))");	\
57	builtin_define ("__fastcall=__attribute__((__fastcall__))");	\
58	if (!flag_iso)							\
59	  {								\
60	    builtin_define ("_cdecl=__attribute__((__cdecl__))");	\
61	    builtin_define ("_stdcall=__attribute__((__stdcall__))");	\
62	    builtin_define ("_fastcall=__attribute__((__fastcall__))");	\
63	  }								\
64    }									\
65  while (0)
66
67#undef TARGET_CPU_DEFAULT
68#define TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT_pentium4
69
70/* By default, target has a 80387, uses IEEE compatible arithmetic,
71   returns float values in the 387, and uses MSVC bit field layout. */
72#undef TARGET_SUBTARGET_DEFAULT
73#define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | \
74	MASK_FLOAT_RETURNS | MASK_ALIGN_DOUBLE | MASK_MS_BITFIELD_LAYOUT)
75
76#undef MATH_LIBRARY
77#define MATH_LIBRARY ""
78
79/* Align doubles and long-longs in structures on qword boundaries.  */
80#undef BIGGEST_FIELD_ALIGNMENT
81#define BIGGEST_FIELD_ALIGNMENT 64
82
83#undef DEFAULT_PCC_STRUCT_RETURN
84#define DEFAULT_PCC_STRUCT_RETURN 0
85
86/* Implicit arguments pointing to aggregate return values are to be
87   removed by the caller.  */
88#undef KEEP_AGGREGATE_RETURN_POINTER
89#define KEEP_AGGREGATE_RETURN_POINTER 1
90
91#undef DBX_REGISTER_NUMBER
92#define DBX_REGISTER_NUMBER(n) (svr4_dbx_register_map[n])
93
94/* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop).  */
95#define HANDLE_PRAGMA_PACK_PUSH_POP
96
97/* Default structure packing is 1-byte. */
98#define TARGET_DEFAULT_PACK_STRUCT 1
99
100#undef WCHAR_TYPE
101#define WCHAR_TYPE "short unsigned int"
102
103#undef WCHAR_TYPE_SIZE
104#define WCHAR_TYPE_SIZE 16
105
106#undef WINT_TYPE
107#define WINT_TYPE "int"
108
109/* A C statement (sans semicolon) to output to the stdio stream
110   FILE the assembler definition of uninitialized global DECL named
111   NAME whose size is SIZE bytes and alignment is ALIGN bytes.
112   Try to use asm_output_aligned_bss to implement this macro.  */
113
114#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
115  asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
116
117/* Handle special EH pointer encodings.  Absolute, pc-relative, and
118   indirect are handled automatically.  */
119#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
120  do {									\
121    if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel)		\
122      {									\
123        fputs (ASM_LONG, FILE);			\
124        assemble_name (FILE, XSTR (ADDR, 0));				\
125	fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \
126        goto DONE;							\
127      }									\
128  } while (0)
129
130/* there is no TLS support in NLMs/on NetWare */
131#undef HAVE_AS_TLS
132
133#define HAS_INIT_SECTION
134#undef  INIT_SECTION_ASM_OP
135
136#define CTOR_LISTS_DEFINED_EXTERNALLY
137
138#undef  READONLY_DATA_SECTION_ASM_OP
139#define READONLY_DATA_SECTION_ASM_OP    ".section\t.rodata"
140
141/* Define this macro if references to a symbol must be treated
142   differently depending on something about the variable or
143   function named by the symbol (such as what section it is in).
144
145   On i386 running NetWare, modify the assembler name with an underscore (_)
146   prefix and a suffix consisting of an atsign (@) followed by a string of
147   digits that represents the number of bytes of arguments passed to the
148   function, if it has the attribute STDCALL. Alternatively, if it has the
149   REGPARM attribute, prefix it with an underscore (_), a digit representing
150   the number of registers used, and an atsign (@). */
151void i386_nlm_encode_section_info (tree, rtx, int);
152const char *i386_nlm_strip_name_encoding (const char *);
153#undef TARGET_ENCODE_SECTION_INFO
154#define TARGET_ENCODE_SECTION_INFO  i386_nlm_encode_section_info
155#undef  TARGET_STRIP_NAME_ENCODING
156#define TARGET_STRIP_NAME_ENCODING  i386_nlm_strip_name_encoding
157