1 | /* Definitions of various defaults for how to do assembler output |
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2 | (most of which are designed to be appropriate for GAS or for |
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3 | some BSD assembler). |
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4 | Copyright (C) 1992, 1996 Free Software Foundation, Inc. |
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5 | Contributed by Ron Guilmette (rfg@monkeys.com) |
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6 | |
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7 | This file is part of GNU CC. |
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8 | |
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9 | GNU CC is free software; you can redistribute it and/or modify |
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10 | it under the terms of the GNU General Public License as published by |
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11 | the Free Software Foundation; either version 2, or (at your option) |
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12 | any later version. |
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13 | |
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14 | GNU CC is distributed in the hope that it will be useful, |
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15 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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17 | GNU General Public License for more details. |
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18 | |
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19 | You should have received a copy of the GNU General Public License |
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20 | along with GNU CC; see the file COPYING. If not, write to |
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21 | the Free Software Foundation, 59 Temple Place - Suite 330, |
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22 | Boston, MA 02111-1307, USA. */ |
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23 | |
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24 | /* Store in OUTPUT a string (made with alloca) containing |
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25 | an assembler-name for a local static variable or function named NAME. |
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26 | LABELNO is an integer which is different for each call. */ |
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27 | |
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28 | #ifndef ASM_FORMAT_PRIVATE_NAME |
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29 | #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \ |
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30 | do { \ |
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31 | int len = strlen (NAME); \ |
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32 | char *temp = (char *) alloca (len + 3); \ |
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33 | temp[0] = 'L'; \ |
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34 | strcpy (&temp[1], (NAME)); \ |
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35 | temp[len + 1] = '.'; \ |
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36 | temp[len + 2] = 0; \ |
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37 | (OUTPUT) = (char *) alloca (strlen (NAME) + 11); \ |
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38 | ASM_GENERATE_INTERNAL_LABEL (OUTPUT, temp, LABELNO); \ |
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39 | } while (0) |
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40 | #endif |
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41 | |
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42 | #ifndef ASM_STABD_OP |
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43 | #define ASM_STABD_OP ".stabd" |
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44 | #endif |
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45 | |
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46 | /* This is how to output an element of a case-vector that is absolute. |
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47 | Some targets don't use this, but we have to define it anyway. */ |
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48 | |
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49 | #ifndef ASM_OUTPUT_ADDR_VEC_ELT |
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50 | #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ |
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51 | do { fprintf (FILE, "\t%s\t", ASM_LONG); \ |
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52 | ASM_OUTPUT_INTERNAL_LABEL (FILE, "L", (VALUE)); \ |
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53 | fputc ('\n', FILE); \ |
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54 | } while (0) |
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55 | #endif |
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56 | |
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57 | /* choose a reasonable default for ASM_OUTPUT_ASCII. */ |
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58 | |
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59 | #ifndef ASM_OUTPUT_ASCII |
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60 | #define ASM_OUTPUT_ASCII(MYFILE, MYSTRING, MYLENGTH) \ |
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61 | do { \ |
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62 | FILE *_hide_asm_out_file = (MYFILE); \ |
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63 | unsigned char *_hide_p = (unsigned char *) (MYSTRING); \ |
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64 | int _hide_thissize = (MYLENGTH); \ |
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65 | { \ |
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66 | FILE *asm_out_file = _hide_asm_out_file; \ |
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67 | unsigned char *p = _hide_p; \ |
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68 | int thissize = _hide_thissize; \ |
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69 | int i; \ |
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70 | fprintf (asm_out_file, "\t.ascii \""); \ |
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71 | \ |
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72 | for (i = 0; i < thissize; i++) \ |
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73 | { \ |
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74 | register int c = p[i]; \ |
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75 | if (c == '\"' || c == '\\') \ |
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76 | putc ('\\', asm_out_file); \ |
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77 | if (c >= ' ' && c < 0177) \ |
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78 | putc (c, asm_out_file); \ |
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79 | else \ |
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80 | { \ |
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81 | fprintf (asm_out_file, "\\%o", c); \ |
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82 | /* After an octal-escape, if a digit follows, \ |
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83 | terminate one string constant and start another. \ |
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84 | The Vax assembler fails to stop reading the escape \ |
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85 | after three digits, so this is the only way we \ |
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86 | can get it to parse the data properly. */ \ |
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87 | if (i < thissize - 1 \ |
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88 | && p[i + 1] >= '0' && p[i + 1] <= '9') \ |
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89 | fprintf (asm_out_file, "\"\n\t.ascii \""); \ |
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90 | } \ |
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91 | } \ |
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92 | fprintf (asm_out_file, "\"\n"); \ |
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93 | } \ |
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94 | } \ |
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95 | while (0) |
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96 | #endif |
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97 | |
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98 | #ifndef ASM_IDENTIFY_GCC |
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99 | /* Default the definition, only if ASM_IDENTIFY_GCC is not set, |
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100 | because if it is set, we might not want ASM_IDENTIFY_LANGUAGE |
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101 | outputting labels, if we do want it to, then it must be defined |
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102 | in the tm.h file. */ |
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103 | #ifndef ASM_IDENTIFY_LANGUAGE |
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104 | #define ASM_IDENTIFY_LANGUAGE(FILE) output_lang_identify (FILE); |
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105 | #endif |
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106 | #endif |
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107 | |
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108 | /* This is how we tell the assembler to equate two values. */ |
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109 | #ifdef SET_ASM_OP |
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110 | #ifndef ASM_OUTPUT_DEF |
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111 | #define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ |
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112 | do { fprintf ((FILE), "\t%s\t", SET_ASM_OP); \ |
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113 | assemble_name (FILE, LABEL1); \ |
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114 | fprintf (FILE, ","); \ |
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115 | assemble_name (FILE, LABEL2); \ |
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116 | fprintf (FILE, "\n"); \ |
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117 | } while (0) |
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118 | #endif |
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119 | #endif |
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120 | |
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121 | /* This is how to output a reference to a user-level label named NAME. */ |
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122 | |
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123 | #ifndef ASM_OUTPUT_LABELREF |
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124 | #define ASM_OUTPUT_LABELREF(FILE,NAME) \ |
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125 | do { fputs (USER_LABEL_PREFIX, FILE); fputs (NAME, FILE); } while (0) |
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126 | #endif |
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127 | |
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128 | /* This determines whether or not we support weak symbols. */ |
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129 | #ifndef SUPPORTS_WEAK |
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130 | #ifdef ASM_WEAKEN_LABEL |
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131 | #define SUPPORTS_WEAK 1 |
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132 | #else |
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133 | #define SUPPORTS_WEAK 0 |
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134 | #endif |
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135 | #endif |
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136 | |
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137 | /* If we have a definition of INCOMING_RETURN_ADDR_RTX, assume that |
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138 | the rest of the DWARF 2 frame unwind support is also provided. */ |
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139 | #if !defined (DWARF2_UNWIND_INFO) && defined (INCOMING_RETURN_ADDR_RTX) |
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140 | #define DWARF2_UNWIND_INFO 1 |
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141 | #endif |
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