Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/i386/lynx.h @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* Definitions for LynxOS on i386. |
| 145 | 2 Copyright (C) 1993-2020 Free Software Foundation, Inc. |
| 0 | 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 #define TARGET_OS_CPP_BUILTINS() \ | |
| 21 do \ | |
| 22 { \ | |
| 23 builtin_define ("__LITTLE_ENDIAN__"); \ | |
| 24 builtin_define ("__x86__"); \ | |
| 25 } \ | |
| 26 while (0) | |
| 27 | |
| 28 /* The svr4 ABI for the i386 says that records and unions are returned | |
| 29 in memory. */ | |
| 30 | |
| 31 #define DEFAULT_PCC_STRUCT_RETURN 1 | |
| 32 | |
| 33 /* BSS_SECTION_ASM_OP gets defined i386/unix.h. */ | |
| 34 | |
| 35 #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 36 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) | |
| 37 | |
| 38 /* LynxOS's GDB counts the floating point registers from 16. */ | |
| 39 | |
| 40 #undef DBX_REGISTER_NUMBER | |
| 41 #define DBX_REGISTER_NUMBER(n) \ | |
| 42 (TARGET_64BIT ? dbx64_register_map[n] \ | |
| 43 : (n) == 0 ? 0 \ | |
| 44 : (n) == 1 ? 2 \ | |
| 45 : (n) == 2 ? 1 \ | |
| 46 : (n) == 3 ? 3 \ | |
| 47 : (n) == 4 ? 6 \ | |
| 48 : (n) == 5 ? 7 \ | |
| 49 : (n) == 6 ? 5 \ | |
| 50 : (n) == 7 ? 4 \ | |
|
67
f6334be47118
update gcc from gcc-4.6-20100522 to gcc-4.6-20110318
nobuyasu <dimolto@cr.ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
51 : ((n) >= FIRST_STACK_REG && (n) <= LAST_STACK_REG) ? (int) (n) + 8 \ |
| 0 | 52 : (-1)) |
| 53 | |
| 54 /* A C statement to output to the stdio stream FILE an assembler | |
| 55 command to advance the location counter to a multiple of 1<<LOG | |
| 56 bytes if it is within MAX_SKIP bytes. | |
| 57 | |
| 58 This is used to align code labels according to Intel recommendations. */ | |
| 59 | |
| 60 #ifdef HAVE_GAS_MAX_SKIP_P2ALIGN | |
| 61 #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ | |
| 62 do { \ | |
| 63 if ((LOG) != 0) { \ | |
| 131 | 64 if ((MAX_SKIP) == 0 || (MAX_SKIP) >= (1 << (LOG)) - 1) \ |
| 65 fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ | |
| 66 else \ | |
| 67 fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ | |
| 0 | 68 } \ |
| 69 } while (0) | |
| 70 #endif | |
| 71 | |
| 72 /* Undefine SUBTARGET_EXTRA_SPECS it is empty anyway. We define it in | |
| 73 config/lynx.h. */ | |
| 74 | |
| 75 #undef SUBTARGET_EXTRA_SPECS | |
| 76 | |
| 77 /* Undefine the definition from att.h to enable our default. */ | |
| 78 | |
| 79 #undef ASM_OUTPUT_ALIGN | |
| 80 | |
| 81 /* Undefine the definition from elfos.h to enable our default. */ | |
| 82 | |
| 83 #undef PREFERRED_DEBUGGING_TYPE | |
| 84 | |
| 85 /* The file i386.c defines TARGET_HAVE_TLS unconditionally if | |
| 86 HAVE_AS_TLS is defined. HAVE_AS_TLS is defined as gas support for | |
| 87 TLS is detected by configure. We undefine it here. */ | |
| 88 | |
| 89 #undef HAVE_AS_TLS |