|
0
|
1 /* Configuration for an OpenBSD i386 target.
|
|
|
2 Copyright (C) 1999, 2000, 2002, 2004, 2007 Free Software Foundation, Inc.
|
|
|
3
|
|
|
4 This file is part of GCC.
|
|
|
5
|
|
|
6 GCC is free software; you can redistribute it and/or modify
|
|
|
7 it under the terms of the GNU General Public License as published by
|
|
|
8 the Free Software Foundation; either version 3, or (at your option)
|
|
|
9 any later version.
|
|
|
10
|
|
|
11 GCC is distributed in the hope that it will be useful,
|
|
|
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
|
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
|
14 GNU General Public License for more details.
|
|
|
15
|
|
|
16 You should have received a copy of the GNU General Public License
|
|
|
17 along with GCC; see the file COPYING3. If not see
|
|
|
18 <http://www.gnu.org/licenses/>. */
|
|
|
19
|
|
|
20
|
|
|
21 #define TARGET_VERSION fprintf (stderr, " (OpenBSD/i386)");
|
|
|
22
|
|
|
23 /* This goes away when the math-emulator is fixed */
|
|
|
24 #undef TARGET_SUBTARGET_DEFAULT
|
|
|
25 #define TARGET_SUBTARGET_DEFAULT \
|
|
|
26 (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)
|
|
|
27
|
|
|
28 #define TARGET_OS_CPP_BUILTINS() \
|
|
|
29 do \
|
|
|
30 { \
|
|
|
31 builtin_define ("__unix__"); \
|
|
|
32 builtin_define ("__OpenBSD__"); \
|
|
|
33 builtin_assert ("system=unix"); \
|
|
|
34 builtin_assert ("system=bsd"); \
|
|
|
35 builtin_assert ("system=OpenBSD"); \
|
|
|
36 } \
|
|
|
37 while (0)
|
|
|
38
|
|
|
39 /* Layout of source language data types. */
|
|
|
40
|
|
|
41 /* This must agree with <machine/ansi.h> */
|
|
|
42 #undef SIZE_TYPE
|
|
|
43 #define SIZE_TYPE "unsigned int"
|
|
|
44
|
|
|
45 #undef PTRDIFF_TYPE
|
|
|
46 #define PTRDIFF_TYPE "int"
|
|
|
47
|
|
|
48 #undef WCHAR_TYPE
|
|
|
49 #define WCHAR_TYPE "int"
|
|
|
50
|
|
|
51 #undef WCHAR_TYPE_SIZE
|
|
|
52 #define WCHAR_TYPE_SIZE 32
|
|
|
53
|
|
|
54 /* Assembler format: overall framework. */
|
|
|
55
|
|
|
56 #undef ASM_APP_ON
|
|
|
57 #define ASM_APP_ON "#APP\n"
|
|
|
58
|
|
|
59 #undef ASM_APP_OFF
|
|
|
60 #define ASM_APP_OFF "#NO_APP\n"
|
|
|
61
|
|
|
62 /* Stack & calling: aggregate returns. */
|
|
|
63
|
|
|
64 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
|
|
|
65 we want to retain compatibility with older gcc versions. */
|
|
|
66 #define DEFAULT_PCC_STRUCT_RETURN 0
|
|
|
67
|
|
|
68 /* Assembler format: alignment output. */
|
|
|
69
|
|
|
70 /* Kludgy test: when gas is upgraded, it will have p2align, and no problems
|
|
|
71 with nops. */
|
|
|
72 #ifndef HAVE_GAS_MAX_SKIP_P2ALIGN
|
|
|
73 /* i386 OpenBSD still uses an older gas that doesn't insert nops by default
|
|
|
74 when the .align directive demands to insert extra space in the text
|
|
|
75 segment. */
|
|
|
76 #undef ASM_OUTPUT_ALIGN
|
|
|
77 #define ASM_OUTPUT_ALIGN(FILE,LOG) \
|
|
|
78 if ((LOG)!=0) fprintf ((FILE), "\t.align %d,0x90\n", (LOG))
|
|
|
79 #endif
|
|
|
80
|
|
|
81 /* Stack & calling: profiling. */
|
|
|
82
|
|
|
83 /* OpenBSD's profiler recovers all information from the stack pointer.
|
|
|
84 The icky part is not here, but in machine/profile.h. */
|
|
|
85 #undef FUNCTION_PROFILER
|
|
|
86 #define FUNCTION_PROFILER(FILE, LABELNO) \
|
|
|
87 fputs (flag_pic ? "\tcall mcount@PLT\n": "\tcall mcount\n", FILE);
|
|
|
88
|
|
|
89 /* Assembler format: exception region output. */
|
|
|
90
|
|
|
91 /* All configurations that don't use elf must be explicit about not using
|
|
|
92 dwarf unwind information. */
|
|
|
93 #define DWARF2_UNWIND_INFO 0
|
|
|
94
|
|
|
95 #undef ASM_PREFERRED_EH_DATA_FORMAT
|
|
|
96
|
|
|
97 #undef ASM_COMMENT_START
|
|
|
98 #define ASM_COMMENT_START ";#"
|
|
|
99
|
|
|
100 /* OpenBSD gas currently does not support quad, so do not use it. */
|
|
|
101 #undef ASM_QUAD
|
