projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| d9063947 | 1 | /* Definitions of target machine for Intel MCU psABI. |
| 85ec4feb | 2 | Copyright (C) 2015-2018 Free Software Foundation, Inc. |
| d9063947 L |
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 | Under Section 7 of GPL version 3, you are granted additional | |
| 17 | permissions described in the GCC Runtime Library Exception, version | |
| 18 | 3.1, as published by the Free Software Foundation. | |
| 19 | ||
| 20 | You should have received a copy of the GNU General Public License and | |
| 21 | a copy of the GCC Runtime Library Exception along with this program; | |
| 22 | see the files COPYING3 and COPYING.RUNTIME respectively. If not, see | |
| 23 | <http://www.gnu.org/licenses/>. */ | |
| 24 | ||
| 25 | /* Intel MCU has no 80387. Default to Intel MCU psABI. */ | |
| 26 | #undef TARGET_SUBTARGET_DEFAULT | |
| 27 | #define TARGET_SUBTARGET_DEFAULT MASK_IAMCU | |
| 28 | ||
| fd180988 L |
29 | /* Output at beginning of assembler file. */ |
| 30 | /* The .file command should always begin the output. */ | |
| 31 | #define TARGET_ASM_FILE_START_FILE_DIRECTIVE true | |
| 32 | ||
| 33 | #undef ASM_COMMENT_START | |
| 34 | #define ASM_COMMENT_START "#" | |
| 35 | ||
| 36 | #undef DBX_REGISTER_NUMBER | |
| 37 | #define DBX_REGISTER_NUMBER(n) \ | |
| 38 | (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n]) | |
| 39 | ||
| d9063947 L |
40 | #undef ASM_SPEC |
| 41 | #define ASM_SPEC "--32 -march=iamcu" | |
| 42 | ||
| 43 | #undef LINK_SPEC | |
| 44 | #define LINK_SPEC "-m elf_iamcu" | |
| 45 | ||
| 46 | #undef ENDFILE_SPEC | |
| 47 | #define ENDFILE_SPEC "" | |
| 48 | ||
| 49 | #undef STARTFILE_SPEC | |
| 50 | #define STARTFILE_SPEC "crt0.o%s" | |
| 51 | ||
| 52 | #undef LIB_SPEC | |
| 53 | #define LIB_SPEC "--start-group -lc -lgloss --end-group" | |
| d48ca705 L |
54 | |
| 55 | /* A C statement (sans semicolon) to output to the stdio stream | |
| 56 | FILE the assembler definition of uninitialized global DECL named | |
| 57 | NAME whose size is SIZE bytes and alignment is ALIGN bytes. | |
| 58 | Try to use asm_output_aligned_bss to implement this macro. */ | |
| 59 | ||
| 60 | #define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ | |
| 61 | asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) | |
| 62 | ||
| 63 | /* A C statement to output to the stdio stream FILE an assembler | |
| 64 | command to advance the location counter to a multiple of 1<<LOG | |
| 65 | bytes if it is within MAX_SKIP bytes. | |
| 66 | ||
| 67 | This is used to align code labels according to Intel recommendations. */ | |
| 68 | ||
| 69 | #define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \ | |
| 70 | do { \ | |
| 71 | if ((LOG) != 0) { \ | |
| 72 | if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \ | |
| 73 | else { \ | |
| 74 | fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \ | |
| 75 | /* Make sure that we have at least 8 byte alignment if > 8 byte \ | |
| 76 | alignment is preferred. */ \ | |
| 77 | if ((LOG) > 3 \ | |
| 78 | && (1 << (LOG)) > ((MAX_SKIP) + 1) \ | |
| 79 | && (MAX_SKIP) >= 7) \ | |
| 80 | fputs ("\t.p2align 3\n", (FILE)); \ | |
| 81 | } \ | |
| 82 | } \ | |
| 83 | } while (0) | |
| 84 | ||
| 85 | /* Handle special EH pointer encodings. Absolute, pc-relative, and | |
| 86 | indirect are handled automatically. */ | |
| 87 | #define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \ | |
| 88 | do { \ | |
| 89 | if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel) \ | |
| 90 | { \ | |
| 91 | fputs (ASM_LONG, FILE); \ | |
| 92 | assemble_name (FILE, XSTR (ADDR, 0)); \ | |
| 93 | fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \ | |
| 94 | goto DONE; \ | |
| 95 | } \ | |
| 96 | } while (0) | |
| 5cc2af59 L |
97 | |
| 98 | #undef SIZE_TYPE | |
| 99 | #define SIZE_TYPE "unsigned int" | |
| 100 | ||
| 101 | #undef PTRDIFF_TYPE | |
| 102 | #define PTRDIFF_TYPE "int" | |
| 103 | ||
| 104 | #undef WCHAR_TYPE | |
| 105 | #define WCHAR_TYPE "long int" | |
| 106 | ||
| 107 | #undef WCHAR_TYPE_SIZE | |
| 108 | #define WCHAR_TYPE_SIZE BITS_PER_WORD | |
| 109 | ||
| 110 | /* Use int, instead of long int, for int32_t and uint32_t. */ | |
| 111 | #undef STDINT_LONG32 | |
| 112 | #define STDINT_LONG32 0 |