1 /* Configuration for an OpenBSD i386 target.
3 Copyright (C) 2005-2014 Free Software Foundation, Inc.
5 This file is part of GCC.
7 GCC is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
12 GCC is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GCC; see the file COPYING3. If not see
19 <http://www.gnu.org/licenses/>. */
21 #define TARGET_OS_CPP_BUILTINS() \
24 OPENBSD_OS_CPP_BUILTINS(); \
28 #undef DBX_REGISTER_NUMBER
29 #define DBX_REGISTER_NUMBER(n) \
30 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
32 /* This must agree with <machine/_types.h>. */
34 #define SIZE_TYPE "long unsigned int"
37 #define PTRDIFF_TYPE "long int"
40 #define WCHAR_TYPE "int"
42 #undef WCHAR_TYPE_SIZE
43 #define WCHAR_TYPE_SIZE 32
46 #define WINT_TYPE "int"
48 /* Don't default to pcc-struct-return, because gcc is the only compiler, and
49 we want to retain compatibility with older gcc versions. */
51 #undef DEFAULT_PCC_STRUCT_RETURN
52 #define DEFAULT_PCC_STRUCT_RETURN 0
54 /* Override the default comment-starter of "/". */
55 #undef ASM_COMMENT_START
56 #define ASM_COMMENT_START "#"
59 #define ASM_APP_ON "#APP\n"
62 #define ASM_APP_OFF "#NO_APP\n"
64 /* A C statement to output to the stdio stream FILE an assembler
65 command to advance the location counter to a multiple of 1<<LOG
66 bytes if it is within MAX_SKIP bytes.
68 This is used to align code labels according to Intel recommendations. */
70 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
71 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
74 if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
76 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
77 /* Make sure that we have at least 8 byte alignment if > 8 byte \
78 alignment is preferred. */ \
80 && (1 << (LOG)) > ((MAX_SKIP) + 1) \
82 fputs ("\t.p2align 3\n", (FILE)); \
88 /* OpenBSD's profiler recovers all information from the stack pointer.
89 The icky part is not here, but in <machine/profile.h>. */
90 #undef FUNCTION_PROFILER
91 #define FUNCTION_PROFILER(FILE, LABELNO) \
92 fputs (flag_pic ? "\tcall __mcount@PLT\n": "\tcall __mcount\n", FILE);
96 "%{!shared:%{!nostdlib:%{!r:%{!e*:-e __start}}}} \
97 %{shared:-shared} %{R*} \
99 %{!static:-Bdynamic} \
101 -dynamic-linker /usr/libexec/ld.so"
103 #undef STARTFILE_SPEC
104 #define STARTFILE_SPEC "\
105 %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
106 crtbegin%O%s} %{shared:crtbeginS%O%s}"
109 #define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
111 #define OBSD_HAS_CORRECT_SPECS
113 #define HAVE_ENABLE_EXECUTE_STACK
115 /* Put all *tf routines in libgcc. */
116 #undef LIBGCC2_HAS_TF_MODE
117 #define LIBGCC2_HAS_TF_MODE 1
118 #define LIBGCC2_TF_CEXT q