projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| d442d7d9 | 1 | /* IA32 VxWorks target definitions for GNU compiler. |
| cbe34bb5 | 2 | Copyright (C) 2003-2017 Free Software Foundation, Inc. |
| d442d7d9 | 3 | Updated by CodeSourcery, LLC. |
| 55047c9d PE |
4 | |
| 5 | This file is part of GCC. | |
| 6 | ||
| 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 | |
| 2f83c7d6 | 9 | the Free Software Foundation; either version 3, or (at your option) |
| 55047c9d PE |
10 | any later version. |
| 11 | ||
| 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. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 2f83c7d6 NC |
18 | along with GCC; see the file COPYING3. If not see |
| 19 | <http://www.gnu.org/licenses/>. */ | |
| 55047c9d | 20 | |
| 55047c9d | 21 | #undef ASM_SPEC |
| 78a14252 | 22 | #define ASM_SPEC "" |
| d442d7d9 | 23 | |
| 4ce351de OH |
24 | #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ |
| 25 | asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) | |
| 26 | ||
| 27 | /* VxWorks uses the same ABI as Solaris 2, so use i386/sol2.h version. */ | |
| 28 | ||
| 29 | #undef TARGET_SUBTARGET_DEFAULT | |
| 30 | #define TARGET_SUBTARGET_DEFAULT \ | |
| 31 | (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_VECT8_RETURNS) | |
| 32 | ||
| 33 | /* Provide our target specific DBX_REGISTER_NUMBER. VxWorks relies on | |
| 34 | the SVR4 numbering. */ | |
| 35 | ||
| 36 | #undef DBX_REGISTER_NUMBER | |
| 37 | #define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n] | |
| 38 | ||
| cb717c40 | 39 | #define TARGET_OS_CPP_BUILTINS() \ |
| d442d7d9 PE |
40 | do \ |
| 41 | { \ | |
| cb717c40 | 42 | VXWORKS_OS_CPP_BUILTINS (); \ |
| d442d7d9 PE |
43 | if (TARGET_386) \ |
| 44 | builtin_define ("CPU=I80386"); \ | |
| 45 | else if (TARGET_486) \ | |
| 46 | builtin_define ("CPU=I80486"); \ | |
| 47 | else if (TARGET_PENTIUM) \ | |
| 48 | { \ | |
| 49 | builtin_define ("CPU=PENTIUM"); \ | |
| 50 | builtin_define ("CPU_VARIANT=PENTIUM"); \ | |
| 51 | } \ | |
| 52 | else if (TARGET_PENTIUMPRO) \ | |
| 53 | { \ | |
| 54 | builtin_define ("CPU=PENTIUM2"); \ | |
| 55 | builtin_define ("CPU_VARIANT=PENTIUMPRO"); \ | |
| 56 | } \ | |
| 57 | else if (TARGET_PENTIUM4) \ | |
| 58 | { \ | |
| 59 | builtin_define ("CPU=PENTIUM4"); \ | |
| 60 | builtin_define ("CPU_VARIANT=PENTIUM4"); \ | |
| 61 | } \ | |
| cb717c40 | 62 | } \ |
| d442d7d9 | 63 | while (0) |
| 55047c9d | 64 | |
| d442d7d9 PE |
65 | #undef CPP_SPEC |
| 66 | #define CPP_SPEC VXWORKS_ADDITIONAL_CPP_SPEC | |
| 67 | #undef LIB_SPEC | |
| 68 | #define LIB_SPEC VXWORKS_LIB_SPEC | |
| 69 | #undef STARTFILE_SPEC | |
| 70 | #define STARTFILE_SPEC VXWORKS_STARTFILE_SPEC | |
| 71 | #undef ENDFILE_SPEC | |
| 72 | #define ENDFILE_SPEC VXWORKS_ENDFILE_SPEC | |
| 73 | #undef LINK_SPEC | |
| 74 | #define LINK_SPEC VXWORKS_LINK_SPEC | |
| 75 | ||
| 76 | #undef SUBTARGET_SWITCHES | |
| 77 | #define SUBTARGET_SWITCHES EXTRA_SUBTARGET_SWITCHES | |
| 78 | ||
| 79 | #undef SUBTARGET_OVERRIDE_OPTIONS | |
| 80 | #define SUBTARGET_OVERRIDE_OPTIONS VXWORKS_OVERRIDE_OPTIONS | |
| 81 | ||
| 82 | /* No _mcount profiling on VxWorks. */ | |
| 83 | #undef FUNCTION_PROFILER | |
| 84 | #define FUNCTION_PROFILER(FILE,LABELNO) VXWORKS_FUNCTION_PROFILER(FILE,LABELNO) | |
| 10d7f5f3 RS |
85 | |
| 86 | /* We cannot use PC-relative accesses for VxWorks PIC because there is no | |
| 87 | fixed gap between segments. */ | |
| 88 | #undef ASM_PREFERRED_EH_DATA_FORMAT | |
| 4ce351de | 89 | |
| 3488bd6b EB |
90 | /* Define this to be nonzero if static stack checking is supported. */ |
| 91 | #define STACK_CHECK_STATIC_BUILTIN 1 | |
| 92 | ||
| 93 | /* This platform supports the probing method of stack checking (RTP mode). | |
| 94 | 8K is reserved in the stack to propagate exceptions in case of overflow. */ | |
| 95 | #define STACK_CHECK_PROTECT 8192 |