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1/* IA32 VxWorks target definitions for GNU compiler.
2 Copyright (C) 2003-2017 Free Software Foundation, Inc.
3 Updated 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 3, 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 COPYING3. If not see
19<http://www.gnu.org/licenses/>. */
20
21#undef ASM_OUTPUT_ALIGNED_BSS
22#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
23 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
24
25/* VxWorks uses the same ABI as Solaris 2, so use i386/sol2.h version. */
26
27#undef TARGET_SUBTARGET_DEFAULT
28#define TARGET_SUBTARGET_DEFAULT \
29 (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_VECT8_RETURNS)
30
31/* Provide our target specific DBX_REGISTER_NUMBER. VxWorks relies on
32 the SVR4 numbering. */
33
34#undef DBX_REGISTER_NUMBER
35#define DBX_REGISTER_NUMBER(n) \
36 (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
37
38#undef PTRDIFF_TYPE
39#define PTRDIFF_TYPE (TARGET_LP64 ? "long int" : "int")
40
41#undef SIZE_TYPE
42#define SIZE_TYPE (TARGET_LP64 ? "long unsigned int" : "unsigned int")
43
44#if TARGET_64BIT_DEFAULT
45#undef VXWORKS_SYSCALL_LIBS_RTP
46#define VXWORKS_SYSCALL_LIBS_RTP "-lsyscall"
47#endif
48
49#define TARGET_OS_CPP_BUILTINS() \
50 do \
51 { \
52 VXWORKS_OS_CPP_BUILTINS (); \
53 if (TARGET_386) \
54 builtin_define ("CPU=I80386"); \
55 else if (TARGET_486) \
56 builtin_define ("CPU=I80486"); \
57 else if (TARGET_PENTIUM) \
58 { \
59 builtin_define ("CPU=PENTIUM"); \
60 builtin_define ("CPU_VARIANT=PENTIUM"); \
61 } \
62 else if (TARGET_PENTIUMPRO) \
63 { \
64 builtin_define ("CPU=PENTIUM2"); \
65 builtin_define ("CPU_VARIANT=PENTIUMPRO"); \
66 } \
67 else if (TARGET_PENTIUM4) \
68 { \
69 builtin_define ("CPU=PENTIUM4"); \
70 builtin_define ("CPU_VARIANT=PENTIUM4"); \
71 } \
72 else if (TARGET_64BIT) \
73 builtin_define ("CPU=X86_64"); \
74 else \
75 builtin_define ("CPU=I80386"); \
76 } \
77 while (0)
78
79#undef CPP_SPEC
80#define CPP_SPEC VXWORKS_ADDITIONAL_CPP_SPEC
81#undef LIB_SPEC
82#define LIB_SPEC VXWORKS_LIB_SPEC
83#undef STARTFILE_SPEC
84#define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC
85#undef ENDFILE_SPEC
86#define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC
87#undef LINK_SPEC
88#define LINK_SPEC VXWORKS_LINK_SPEC
89
90#undef SUBTARGET_SWITCHES
91#define SUBTARGET_SWITCHES EXTRA_SUBTARGET_SWITCHES
92
93#undef SUBTARGET_OVERRIDE_OPTIONS
94#define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS
95
96/* No _mcount profiling on VxWorks. */
97#undef FUNCTION_PROFILER
98#define FUNCTION_PROFILER(FILE,LABELNO) VXWORKS_FUNCTION_PROFILER(FILE,LABELNO)
99
100/* We cannot use PC-relative accesses for VxWorks PIC because there is no
101 fixed gap between segments. */
102#undef ASM_PREFERRED_EH_DATA_FORMAT
103
104/* Define this to be nonzero if static stack checking is supported. */
105#define STACK_CHECK_STATIC_BUILTIN 1
106
107/* This platform supports the probing method of stack checking (RTP mode).
108 8K is reserved in the stack to propagate exceptions in case of overflow.
109 On 64-bit targets, we double that size. */
110#if TARGET_64BIT_DEFAULT
111#define STACK_CHECK_PROTECT 16384
112#else
113#define STACK_CHECK_PROTECT 8192
114#endif
115

Warning: That file was not part of the compilation database. It may have many parsing errors.