Mercurial > hg > CbC > CbC_gcc
annotate gcc/config/vax/elf.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 /* Target definitions for GNU compiler for VAX using ELF |
| 145 | 2 Copyright (C) 2002-2020 Free Software Foundation, Inc. |
| 0 | 3 Contributed by Matt Thomas <matt@3am-software.com> |
| 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 | |
| 9 the Free Software Foundation; either version 3, or (at your option) | |
| 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 | |
| 18 along with GCC; see the file COPYING3. If not see | |
| 19 <http://www.gnu.org/licenses/>. */ | |
| 20 | |
| 21 #undef TARGET_ELF | |
| 22 #define TARGET_ELF 1 | |
| 23 | |
| 24 #undef REGISTER_PREFIX | |
| 25 #undef REGISTER_NAMES | |
| 26 #define REGISTER_PREFIX "%" | |
| 27 #define REGISTER_NAMES \ | |
| 28 { "%r0", "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7", \ | |
| 29 "%r8", "%r9", "%r10", "%r11", "%ap", "%fp", "%sp", "%pc", } | |
| 30 | |
| 31 #undef SIZE_TYPE | |
| 32 #define SIZE_TYPE "long unsigned int" | |
| 33 | |
| 34 #undef PTRDIFF_TYPE | |
| 35 #define PTRDIFF_TYPE "long int" | |
| 36 | |
| 37 /* Profiling routine. */ | |
| 38 #undef VAX_FUNCTION_PROFILER_NAME | |
| 39 #define VAX_FUNCTION_PROFILER_NAME "__mcount" | |
| 40 | |
| 41 /* Let's be re-entrant. */ | |
| 42 #undef PCC_STATIC_STRUCT_RETURN | |
| 43 | |
| 44 /* Before the prologue, the top of the frame is below the argument | |
| 45 count pushed by the CALLS and before the start of the saved registers. */ | |
| 46 #define INCOMING_FRAME_SP_OFFSET 0 | |
| 47 | |
| 48 /* Offset from the frame pointer register value to the top of the stack. */ | |
| 49 #define FRAME_POINTER_CFA_OFFSET(FNDECL) 0 | |
| 50 | |
| 51 /* We use R2-R5 (call-clobbered) registers for exceptions. */ | |
| 52 #define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 2 : INVALID_REGNUM) | |
| 53 | |
| 54 /* Place the top of the stack for the DWARF2 EH stackadj value. */ | |
| 55 #define EH_RETURN_STACKADJ_RTX \ | |
| 56 gen_rtx_MEM (SImode, \ | |
| 111 | 57 plus_constant (Pmode, \ |
| 58 gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\ | |
| 0 | 59 -4)) |
| 60 | |
| 61 /* Simple store the return handler into the call frame. */ | |
| 62 #define EH_RETURN_HANDLER_RTX \ | |
| 63 gen_rtx_MEM (Pmode, \ | |
| 111 | 64 plus_constant (Pmode, \ |
| 65 gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\ | |
| 0 | 66 16)) |
| 67 | |
| 68 | |
| 69 /* The VAX wants no space between the case instruction and the jump table. */ | |
| 70 #undef ASM_OUTPUT_BEFORE_CASE_LABEL | |
| 71 #define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) | |
| 72 | |
|
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73 #undef SUBTARGET_OVERRIDE_OPTIONS |
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74 #define SUBTARGET_OVERRIDE_OPTIONS \ |
| 0 | 75 do \ |
| 76 { \ | |
| 77 /* Turn off function CSE if we're doing PIC. */ \ | |
| 78 if (flag_pic) \ | |
| 79 flag_no_function_cse = 1; \ | |
| 80 } \ | |
| 81 while (0) | |
| 82 | |
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83 /* Don't allow *foo which foo is non-local */ |
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84 #define NO_EXTERNAL_INDIRECT_ADDRESS |
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85 |
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86 #undef VAX_CC1_AND_CC1PLUS_SPEC |
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87 #define VAX_CC1_AND_CC1PLUS_SPEC \ |
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88 "%{!fno-pic: \ |
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89 %{!fpic: \ |
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90 %{!fPIC:-fPIC}}}" |
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91 |
| 0 | 92 /* VAX ELF is always gas; override the generic VAX ASM_SPEC. */ |
| 93 | |
| 94 #undef ASM_SPEC | |
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95 #define ASM_SPEC "%{!fno-pic: %{!mno-asm-pic:-k}}" |
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96 |
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97 /* We want PCREL dwarf output. */ |
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98 #define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ |
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99 ((GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) |
| 0 | 100 |
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101 /* Emit a PC-relative relocation. */ |
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102 #define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL) \ |
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103 do { \ |
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104 fputs (integer_asm_op (SIZE, FALSE), FILE); \ |
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105 fprintf (FILE, "%%pcrel%d(", SIZE * 8); \ |
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106 assemble_name (FILE, LABEL); \ |
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107 fputc (')', FILE); \ |
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108 } while (0) |