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1 /* Declarations for insn-output.c. These functions are defined in recog.c,
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2 final.c, and varasm.c.
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3 Copyright (C) 1987, 1991, 1994, 1997, 1998, 1999, 2000, 2001, 2002,
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4 2003, 2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
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5
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6 This file is part of GCC.
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7
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8 GCC is free software; you can redistribute it and/or modify it under
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9 the terms of the GNU General Public License as published by the Free
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10 Software Foundation; either version 3, or (at your option) any later
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11 version.
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12
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13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
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15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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16 for more details.
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17
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18 You should have received a copy of the GNU General Public License
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19 along with GCC; see the file COPYING3. If not see
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20 <http://www.gnu.org/licenses/>. */
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21
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22 #ifndef GCC_OUTPUT_H
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23 #define GCC_OUTPUT_H
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24
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25 /* Initialize data in final at the beginning of a compilation. */
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26 extern void init_final (const char *);
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27
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28 /* Enable APP processing of subsequent output.
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29 Used before the output from an `asm' statement. */
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30 extern void app_enable (void);
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31
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32 /* Disable APP processing of subsequent output.
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33 Called from varasm.c before most kinds of output. */
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34 extern void app_disable (void);
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35
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36 /* Return the number of slots filled in the current
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37 delayed branch sequence (we don't count the insn needing the
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38 delay slot). Zero if not in a delayed branch sequence. */
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39 extern int dbr_sequence_length (void);
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40
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41 /* Indicate that branch shortening hasn't yet been done. */
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42 extern void init_insn_lengths (void);
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43
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44 /* Obtain the current length of an insn. If branch shortening has been done,
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45 get its actual length. Otherwise, get its maximum length. */
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46 extern int get_attr_length (rtx);
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47
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48 /* Obtain the current length of an insn. If branch shortening has been done,
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49 get its actual length. Otherwise, get its minimum length. */
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50 extern int get_attr_min_length (rtx);
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51
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52 /* Make a pass over all insns and compute their actual lengths by shortening
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53 any branches of variable length if possible. */
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54 extern void shorten_branches (rtx);
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55
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56 /* Output assembler code for the start of a function,
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57 and initialize some of the variables in this file
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58 for the new function. The label for the function and associated
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59 assembler pseudo-ops have already been output in
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60 `assemble_start_function'. */
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61 extern void final_start_function (rtx, FILE *, int);
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62
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63 /* Output assembler code for the end of a function.
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64 For clarity, args are same as those of `final_start_function'
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65 even though not all of them are needed. */
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66 extern void final_end_function (void);
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67
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68 /* Output assembler code for some insns: all or part of a function. */
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69 extern void final (rtx, FILE *, int);
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70
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71 /* The final scan for one insn, INSN. Args are same as in `final', except
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72 that INSN is the insn being scanned. Value returned is the next insn to
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73 be scanned. */
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74 extern rtx final_scan_insn (rtx, FILE *, int, int, int *);
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75
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76 /* Replace a SUBREG with a REG or a MEM, based on the thing it is a
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77 subreg of. */
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78 extern rtx alter_subreg (rtx *);
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79
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80 /* Report inconsistency between the assembler template and the operands.
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81 In an `asm', it's the user's fault; otherwise, the compiler's fault. */
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82 extern void output_operand_lossage (const char *, ...) ATTRIBUTE_PRINTF_1;
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83
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84 /* Output a string of assembler code, substituting insn operands.
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85 Defined in final.c. */
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86 extern void output_asm_insn (const char *, rtx *);
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87
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88 /* Compute a worst-case reference address of a branch so that it
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89 can be safely used in the presence of aligned labels.
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90 Defined in final.c. */
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91 extern int insn_current_reference_address (rtx);
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92
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93 /* Find the alignment associated with a CODE_LABEL.
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94 Defined in final.c. */
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95 extern int label_to_alignment (rtx);
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96
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97 /* Output a LABEL_REF, or a bare CODE_LABEL, as an assembler symbol. */
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98 extern void output_asm_label (rtx);
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99
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100 /* Marks SYMBOL_REFs in x as referenced through use of assemble_external. */
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101 extern void mark_symbol_refs_as_used (rtx);
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102
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103 /* Print a memory reference operand for address X
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104 using machine-dependent assembler syntax. */
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105 extern void output_address (rtx);
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106
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107 /* Print an integer constant expression in assembler syntax.
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108 Addition and subtraction are the only arithmetic
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109 that may appear in these expressions. */
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110 extern void output_addr_const (FILE *, rtx);
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111
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112 /* Output a string of assembler code, substituting numbers, strings
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113 and fixed syntactic prefixes. */
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114 #if GCC_VERSION >= 3004
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115 #define ATTRIBUTE_ASM_FPRINTF(m, n) __attribute__ ((__format__ (__asm_fprintf__, m, n))) ATTRIBUTE_NONNULL(m)
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116 /* This is a magic identifier which allows GCC to figure out the type
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117 of HOST_WIDE_INT for %wd specifier checks. You must issue this
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118 typedef before using the __asm_fprintf__ format attribute. */
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119 typedef HOST_WIDE_INT __gcc_host_wide_int__;
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120 #else
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121 #define ATTRIBUTE_ASM_FPRINTF(m, n) ATTRIBUTE_NONNULL(m)
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122 #endif
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123
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124 extern void asm_fprintf (FILE *file, const char *p, ...)
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125 ATTRIBUTE_ASM_FPRINTF(2, 3);
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126
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127 /* Split up a CONST_DOUBLE or integer constant rtx into two rtx's for single
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128 words. */
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129 extern void split_double (rtx, rtx *, rtx *);
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130
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131 /* Return nonzero if this function has no function calls. */
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132 extern int leaf_function_p (void);
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133
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134 /* Return 1 if branch is a forward branch.
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135 Uses insn_shuid array, so it works only in the final pass. May be used by
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136 output templates to add branch prediction hints, for example. */
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137 extern int final_forward_branch_p (rtx);
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138
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139 /* Return 1 if this function uses only the registers that can be
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140 safely renumbered. */
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141 extern int only_leaf_regs_used (void);
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142
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143 /* Scan IN_RTX and its subexpressions, and renumber all regs into those
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144 available in leaf functions. */
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145 extern void leaf_renumber_regs_insn (rtx);
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146
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147 /* Locate the proper template for the given insn-code. */
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148 extern const char *get_insn_template (int, rtx);
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149
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150 /* Functions in varasm.c. */
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151
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152 /* Declare DECL to be a weak symbol. */
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153 extern void declare_weak (tree);
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154 /* Merge weak status. */
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155 extern void merge_weak (tree, tree);
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156
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157 /* Emit any pending weak declarations. */
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158 extern void weak_finish (void);
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159
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160 /* Emit any pending emutls declarations and initializations. */
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161 extern void emutls_finish (void);
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162
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163 /* Decode an `asm' spec for a declaration as a register name.
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164 Return the register number, or -1 if nothing specified,
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165 or -2 if the ASMSPEC is not `cc' or `memory' and is not recognized,
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166 or -3 if ASMSPEC is `cc' and is not recognized,
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167 or -4 if ASMSPEC is `memory' and is not recognized.
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168 Accept an exact spelling or a decimal number.
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169 Prefixes such as % are optional. */
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170 extern int decode_reg_name (const char *);
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171
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172 extern void assemble_alias (tree, tree);
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173
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174 extern void default_assemble_visibility (tree, int);
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175
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176 /* Output a string of literal assembler code
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177 for an `asm' keyword used between functions. */
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178 extern void assemble_asm (tree);
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179
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180 /* Output assembler code for the constant pool of a function and associated
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181 with defining the name of the function. DECL describes the function.
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182 NAME is the function's name. For the constant pool, we use the current
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183 constant pool data. */
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184 extern void assemble_start_function (tree, const char *);
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185
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186 /* Output assembler code associated with defining the size of the
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187 function. DECL describes the function. NAME is the function's name. */
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188 extern void assemble_end_function (tree, const char *);
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189
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190 /* Assemble everything that is needed for a variable or function declaration.
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191 Not used for automatic variables, and not used for function definitions.
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192 Should not be called for variables of incomplete structure type.
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193
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194 TOP_LEVEL is nonzero if this variable has file scope.
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195 AT_END is nonzero if this is the special handling, at end of compilation,
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196 to define things that have had only tentative definitions.
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197 DONT_OUTPUT_DATA if nonzero means don't actually output the
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198 initial value (that will be done by the caller). */
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199 extern void assemble_variable (tree, int, int, int);
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200
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201 /* Compute the alignment of variable specified by DECL.
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202 DONT_OUTPUT_DATA is from assemble_variable. */
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203 extern void align_variable (tree decl, bool dont_output_data);
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204
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205 /* Queue for outputting something to declare an external symbol to the
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206 assembler. (Most assemblers don't need this, so we normally output
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207 nothing.) Do nothing if DECL is not external. */
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208 extern void assemble_external (tree);
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209
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210 /* Assemble code to leave SIZE bytes of zeros. */
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211 extern void assemble_zeros (unsigned HOST_WIDE_INT);
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212
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213 /* Assemble an alignment pseudo op for an ALIGN-bit boundary. */
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214 extern void assemble_align (int);
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215
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216 /* Assemble a string constant with the specified C string as contents. */
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217 extern void assemble_string (const char *, int);
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218
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219 /* Similar, for calling a library function FUN. */
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220 extern void assemble_external_libcall (rtx);
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221
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222 /* Assemble a label named NAME. */
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223 extern void assemble_label (const char *);
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224
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225 /* Output to FILE (an assembly file) a reference to NAME. If NAME
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226 starts with a *, the rest of NAME is output verbatim. Otherwise
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227 NAME is transformed in a target-specific way (usually by the
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228 addition of an underscore). */
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229 extern void assemble_name_raw (FILE *, const char *);
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230
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231 /* Like assemble_name_raw, but should be used when NAME might refer to
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232 an entity that is also represented as a tree (like a function or
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233 variable). If NAME does refer to such an entity, that entity will
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234 be marked as referenced. */
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235 extern void assemble_name (FILE *, const char *);
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236
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237 /* Return the assembler directive for creating a given kind of integer
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238 object. SIZE is the number of bytes in the object and ALIGNED_P
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239 indicates whether it is known to be aligned. Return NULL if the
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240 assembly dialect has no such directive.
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241
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242 The returned string should be printed at the start of a new line and
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243 be followed immediately by the object's initial value. */
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244 extern const char *integer_asm_op (int, int);
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245
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246 /* Use directive OP to assemble an integer object X. Print OP at the
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247 start of the line, followed immediately by the value of X. */
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248 extern void assemble_integer_with_op (const char *, rtx);
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249
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250 /* The default implementation of the asm_out.integer target hook. */
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251 extern bool default_assemble_integer (rtx, unsigned int, int);
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252
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253 /* Assemble the integer constant X into an object of SIZE bytes. ALIGN is
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254 the alignment of the integer in bits. Return 1 if we were able to output
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255 the constant, otherwise 0. If FORCE is nonzero the constant must
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256 be outputable. */
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257 extern bool assemble_integer (rtx, unsigned, unsigned, int);
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258
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259 /* An interface to assemble_integer for the common case in which a value is
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260 fully aligned and must be printed. VALUE is the value of the integer
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261 object and SIZE is the number of bytes it contains. */
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262 #define assemble_aligned_integer(SIZE, VALUE) \
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263 assemble_integer (VALUE, SIZE, (SIZE) * BITS_PER_UNIT, 1)
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264
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265 #ifdef REAL_VALUE_TYPE_SIZE
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266 /* Assemble the floating-point constant D into an object of size MODE. */
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267 extern void assemble_real (REAL_VALUE_TYPE, enum machine_mode, unsigned);
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268 #endif
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269
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270 /* Write the address of the entity given by SYMBOL to SEC. */
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271 extern void assemble_addr_to_section (rtx, section *);
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272
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273 /* Return the size of the constant pool. */
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274 extern int get_pool_size (void);
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275
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276 #ifdef HAVE_peephole
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277 extern rtx peephole (rtx);
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278 #endif
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279
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280 extern void output_shared_constant_pool (void);
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281
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282 extern void output_object_blocks (void);
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283
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284 /* Whether a constructor CTOR is a valid static constant initializer if all
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285 its elements are. This used to be internal to initializer_constant_valid_p
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286 and has been exposed to let other functions like categorize_ctor_elements
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287 evaluate the property while walking a constructor for other purposes. */
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288
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289 extern bool constructor_static_from_elts_p (const_tree);
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290
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291 /* Return nonzero if VALUE is a valid constant-valued expression
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292 for use in initializing a static variable; one that can be an
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293 element of a "constant" initializer.
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294
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295 Return null_pointer_node if the value is absolute;
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296 if it is relocatable, return the variable that determines the relocation.
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297 We assume that VALUE has been folded as much as possible;
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298 therefore, we do not need to check for such things as
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299 arithmetic-combinations of integers. */
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300 extern tree initializer_constant_valid_p (tree, tree);
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301
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302 /* Output assembler code for constant EXP to FILE, with no label.
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303 This includes the pseudo-op such as ".int" or ".byte", and a newline.
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304 Assumes output_addressed_constants has been done on EXP already.
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305
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306 Generate exactly SIZE bytes of assembler data, padding at the end
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307 with zeros if necessary. SIZE must always be specified.
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308
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309 ALIGN is the alignment in bits that may be assumed for the data. */
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310 extern void output_constant (tree, unsigned HOST_WIDE_INT, unsigned int);
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311
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312 /* When outputting delayed branch sequences, this rtx holds the
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313 sequence being output. It is null when no delayed branch
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314 sequence is being output, so it can be used as a test in the
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315 insn output code.
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316
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317 This variable is defined in final.c. */
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318 extern rtx final_sequence;
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319
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320 /* The line number of the beginning of the current function. Various
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321 md code needs this so that it can output relative linenumbers. */
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322
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323 #ifdef SDB_DEBUGGING_INFO /* Avoid undef sym in certain broken linkers. */
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324 extern int sdb_begin_function_line;
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325 #endif
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326
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327 /* File in which assembler code is being written. */
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328
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329 #ifdef BUFSIZ
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330 extern FILE *asm_out_file;
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331 #endif
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332
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333 /* The first global object in the file. */
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334 extern const char *first_global_object_name;
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335
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336 /* The first weak object in the file. */
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337 extern const char *weak_global_object_name;
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338
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339 /* Nonzero if function being compiled doesn't contain any calls
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340 (ignoring the prologue and epilogue). This is set prior to
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341 local register allocation and is valid for the remaining
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342 compiler passes. */
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343
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344 extern int current_function_is_leaf;
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345
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346 /* Nonzero if function being compiled doesn't modify the stack pointer
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347 (ignoring the prologue and epilogue). This is only valid after
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348 pass_stack_ptr_mod has run. */
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349
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350 extern int current_function_sp_is_unchanging;
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351
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352 /* Nonzero if the function being compiled is a leaf function which only
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353 uses leaf registers. This is valid after reload (specifically after
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354 sched2) and is useful only if the port defines LEAF_REGISTERS. */
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355
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356 extern int current_function_uses_only_leaf_regs;
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357
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358 /* Default file in which to dump debug output. */
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359
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360 #ifdef BUFSIZ
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361 extern FILE *dump_file;
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362 #endif
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363
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364 /* Nonnull if the insn currently being emitted was a COND_EXEC pattern. */
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365 extern rtx current_insn_predicate;
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366
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367 /* Last insn processed by final_scan_insn. */
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368 extern rtx current_output_insn;
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369
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370 /* Nonzero while outputting an `asm' with operands.
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371 This means that inconsistencies are the user's fault, so don't die.
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372 The precise value is the insn being output, to pass to error_for_asm. */
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373 extern rtx this_is_asm_operands;
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374
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375 /* Carry information from ASM_DECLARE_OBJECT_NAME
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376 to ASM_FINISH_DECLARE_OBJECT. */
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377 extern int size_directive_output;
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378 extern tree last_assemble_variable_decl;
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379
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380 extern bool first_function_block_is_cold;
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381
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382 /* Decide whether DECL needs to be in a writable section.
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383 RELOC is the same as for SELECT_SECTION. */
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384 extern bool decl_readonly_section (const_tree, int);
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385
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386 /* This can be used to compute RELOC for the function above, when
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387 given a constant expression. */
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388 extern int compute_reloc_for_constant (tree);
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389
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390 /* User label prefix in effect for this compilation. */
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391 extern const char *user_label_prefix;
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392
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393 /* Default target function prologue and epilogue assembler output. */
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394 extern void default_function_pro_epilogue (FILE *, HOST_WIDE_INT);
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395
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396 /* Default target hook that outputs nothing to a stream. */
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397 extern void no_asm_to_stream (FILE *);
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398
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399 /* Flags controlling properties of a section. */
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400 #define SECTION_ENTSIZE 0x000ff /* entity size in section */
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401 #define SECTION_CODE 0x00100 /* contains code */
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402 #define SECTION_WRITE 0x00200 /* data is writable */
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403 #define SECTION_DEBUG 0x00400 /* contains debug data */
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404 #define SECTION_LINKONCE 0x00800 /* is linkonce */
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405 #define SECTION_SMALL 0x01000 /* contains "small data" */
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406 #define SECTION_BSS 0x02000 /* contains zeros only */
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407 #define SECTION_FORGET 0x04000 /* forget that we've entered the section */
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408 #define SECTION_MERGE 0x08000 /* contains mergeable data */
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409 #define SECTION_STRINGS 0x10000 /* contains zero terminated strings without
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410 embedded zeros */
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411 #define SECTION_OVERRIDE 0x20000 /* allow override of default flags */
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412 #define SECTION_TLS 0x40000 /* contains thread-local storage */
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413 #define SECTION_NOTYPE 0x80000 /* don't output @progbits */
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414 #define SECTION_DECLARED 0x100000 /* section has been used */
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415 #define SECTION_STYLE_MASK 0x600000 /* bits used for SECTION_STYLE */
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416 #define SECTION_COMMON 0x800000 /* contains common data */
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417 #define SECTION_MACH_DEP 0x1000000 /* subsequent bits reserved for target */
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418
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419 /* This SECTION_STYLE is used for unnamed sections that we can switch
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420 to using a special assembler directive. */
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421 #define SECTION_UNNAMED 0x000000
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422
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423 /* This SECTION_STYLE is used for named sections that we can switch
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424 to using a general section directive. */
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425 #define SECTION_NAMED 0x200000
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426
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427 /* This SECTION_STYLE is used for sections that we cannot switch to at
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428 all. The choice of section is implied by the directive that we use
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429 to declare the object. */
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430 #define SECTION_NOSWITCH 0x400000
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431
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432 /* A helper function for default_elf_select_section and
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433 default_elf_unique_section. Categorizes the DECL. */
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434
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435 enum section_category
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436 {
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437 SECCAT_TEXT,
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438
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439 SECCAT_RODATA,
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440 SECCAT_RODATA_MERGE_STR,
|
|
441 SECCAT_RODATA_MERGE_STR_INIT,
|
|
442 SECCAT_RODATA_MERGE_CONST,
|
|
443 SECCAT_SRODATA,
|
|
444
|
|
445 SECCAT_DATA,
|
|
446
|
|
447 /* To optimize loading of shared programs, define following subsections
|
|
448 of data section:
|
|
449 _REL Contains data that has relocations, so they get grouped
|
|
450 together and dynamic linker will visit fewer pages in memory.
|
|
451 _RO Contains data that is otherwise read-only. This is useful
|
|
452 with prelinking as most relocations won't be dynamically
|
|
453 linked and thus stay read only.
|
|
454 _LOCAL Marks data containing relocations only to local objects.
|
|
455 These relocations will get fully resolved by prelinking. */
|
|
456 SECCAT_DATA_REL,
|
|
457 SECCAT_DATA_REL_LOCAL,
|
|
458 SECCAT_DATA_REL_RO,
|
|
459 SECCAT_DATA_REL_RO_LOCAL,
|
|
460
|
|
461 SECCAT_SDATA,
|
|
462 SECCAT_TDATA,
|
|
463
|
|
464 SECCAT_BSS,
|
|
465 SECCAT_SBSS,
|
|
466 SECCAT_TBSS,
|
|
467
|
|
468 SECCAT_EMUTLS_VAR,
|
|
469 SECCAT_EMUTLS_TMPL
|
|
470 };
|
|
471
|
|
472 /* Information that is provided by all instances of the section type. */
|
|
473 struct section_common GTY(()) {
|
|
474 /* The set of SECTION_* flags that apply to this section. */
|
|
475 unsigned int flags;
|
|
476 };
|
|
477
|
|
478 /* Information about a SECTION_NAMED section. */
|
|
479 struct named_section GTY(()) {
|
|
480 struct section_common common;
|
|
481
|
|
482 /* The name of the section. */
|
|
483 const char *name;
|
|
484
|
|
485 /* If nonnull, the VAR_DECL or FUNCTION_DECL with which the
|
|
486 section is associated. */
|
|
487 tree decl;
|
|
488 };
|
|
489
|
|
490 /* A callback that writes the assembly code for switching to an unnamed
|
|
491 section. The argument provides callback-specific data. */
|
|
492 typedef void (*unnamed_section_callback) (const void *);
|
|
493
|
|
494 /* Information about a SECTION_UNNAMED section. */
|
|
495 struct unnamed_section GTY(()) {
|
|
496 struct section_common common;
|
|
497
|
|
498 /* The callback used to switch to the section, and the data that
|
|
499 should be passed to the callback. */
|
|
500 unnamed_section_callback GTY ((skip)) callback;
|
|
501 const void *GTY ((skip)) data;
|
|
502
|
|
503 /* The next entry in the chain of unnamed sections. */
|
|
504 section *next;
|
|
505 };
|
|
506
|
|
507 /* A callback that writes the assembly code for a decl in a
|
|
508 SECTION_NOSWITCH section. DECL is the decl that should be assembled
|
|
509 and NAME is the name of its SYMBOL_REF. SIZE is the size of the decl
|
|
510 in bytes and ROUNDED is that size rounded up to the next
|
|
511 BIGGEST_ALIGNMENT / BITS_PER_UNIT boundary.
|
|
512
|
|
513 Return true if the callback used DECL_ALIGN to set the object's
|
|
514 alignment. A false return value implies that we are relying
|
|
515 on the rounded size to align the decl. */
|
|
516 typedef bool (*noswitch_section_callback) (tree decl, const char *name,
|
|
517 unsigned HOST_WIDE_INT size,
|
|
518 unsigned HOST_WIDE_INT rounded);
|
|
519
|
|
520 /* Information about a SECTION_NOSWITCH section. */
|
|
521 struct noswitch_section GTY(()) {
|
|
522 struct section_common common;
|
|
523
|
|
524 /* The callback used to assemble decls in this section. */
|
|
525 noswitch_section_callback GTY ((skip)) callback;
|
|
526 };
|
|
527
|
|
528 /* Information about a section, which may be named or unnamed. */
|
|
529 union section GTY ((desc ("SECTION_STYLE (&(%h))")))
|
|
530 {
|
|
531 struct section_common GTY ((skip)) common;
|
|
532 struct named_section GTY ((tag ("SECTION_NAMED"))) named;
|
|
533 struct unnamed_section GTY ((tag ("SECTION_UNNAMED"))) unnamed;
|
|
534 struct noswitch_section GTY ((tag ("SECTION_NOSWITCH"))) noswitch;
|
|
535 };
|
|
536
|
|
537 /* Return the style of section SECT. */
|
|
538 #define SECTION_STYLE(SECT) ((SECT)->common.flags & SECTION_STYLE_MASK)
|
|
539
|
|
540 struct object_block;
|
|
541
|
|
542 /* Special well-known sections. */
|
|
543 extern GTY(()) section *text_section;
|
|
544 extern GTY(()) section *data_section;
|
|
545 extern GTY(()) section *readonly_data_section;
|
|
546 extern GTY(()) section *sdata_section;
|
|
547 extern GTY(()) section *ctors_section;
|
|
548 extern GTY(()) section *dtors_section;
|
|
549 extern GTY(()) section *bss_section;
|
|
550 extern GTY(()) section *sbss_section;
|
|
551 extern GTY(()) section *exception_section;
|
|
552 extern GTY(()) section *eh_frame_section;
|
|
553 extern GTY(()) section *tls_comm_section;
|
|
554 extern GTY(()) section *comm_section;
|
|
555 extern GTY(()) section *lcomm_section;
|
|
556 extern GTY(()) section *bss_noswitch_section;
|
|
557
|
|
558 extern GTY(()) section *in_section;
|
|
559 extern GTY(()) bool in_cold_section_p;
|
|
560
|
|
561 extern section *get_unnamed_section (unsigned int, void (*) (const void *),
|
|
562 const void *);
|
|
563 extern section *get_section (const char *, unsigned int, tree);
|
|
564 extern section *get_named_section (tree, const char *, int);
|
|
565 extern void place_block_symbol (rtx);
|
|
566 extern rtx get_section_anchor (struct object_block *, HOST_WIDE_INT,
|
|
567 enum tls_model);
|
|
568 extern section *mergeable_constant_section (enum machine_mode,
|
|
569 unsigned HOST_WIDE_INT,
|
|
570 unsigned int);
|
|
571 extern section *function_section (tree);
|
|
572 extern section *unlikely_text_section (void);
|
|
573 extern section *current_function_section (void);
|
|
574
|
|
575 /* Return the numbered .ctors.N (if CONSTRUCTOR_P) or .dtors.N (if
|
|
576 not) section for PRIORITY. */
|
|
577 extern section *get_cdtor_priority_section (int, bool);
|
|
578
|
|
579 extern bool unlikely_text_section_p (section *);
|
|
580 extern void switch_to_section (section *);
|
|
581 extern void output_section_asm_op (const void *);
|
|
582
|
|
583 extern unsigned int default_section_type_flags (tree, const char *, int);
|
|
584
|
|
585 extern bool have_global_bss_p (void);
|
|
586 extern void default_no_named_section (const char *, unsigned int, tree);
|
|
587 extern void default_elf_asm_named_section (const char *, unsigned int, tree);
|
|
588 extern enum section_category categorize_decl_for_section (const_tree, int);
|
|
589 extern void default_coff_asm_named_section (const char *, unsigned int, tree);
|
|
590 extern void default_pe_asm_named_section (const char *, unsigned int, tree);
|
|
591
|
|
592 extern void default_stabs_asm_out_destructor (rtx, int);
|
|
593 extern void default_named_section_asm_out_destructor (rtx, int);
|
|
594 extern void default_dtor_section_asm_out_destructor (rtx, int);
|
|
595 extern void default_stabs_asm_out_constructor (rtx, int);
|
|
596 extern void default_named_section_asm_out_constructor (rtx, int);
|
|
597 extern void default_ctor_section_asm_out_constructor (rtx, int);
|
|
598
|
|
599 extern section *default_select_section (tree, int, unsigned HOST_WIDE_INT);
|
|
600 extern section *default_elf_select_section (tree, int, unsigned HOST_WIDE_INT);
|
|
601 extern void default_unique_section (tree, int);
|
|
602 extern section *default_function_rodata_section (tree);
|
|
603 extern section *default_no_function_rodata_section (tree);
|
|
604 extern section *default_select_rtx_section (enum machine_mode, rtx,
|
|
605 unsigned HOST_WIDE_INT);
|
|
606 extern section *default_elf_select_rtx_section (enum machine_mode, rtx,
|
|
607 unsigned HOST_WIDE_INT);
|
|
608 extern void default_encode_section_info (tree, rtx, int);
|
|
609 extern const char *default_strip_name_encoding (const char *);
|
|
610 extern void default_asm_output_anchor (rtx);
|
|
611 extern bool default_use_anchors_for_symbol_p (const_rtx);
|
|
612 extern bool default_binds_local_p (const_tree);
|
|
613 extern bool default_binds_local_p_1 (const_tree, int);
|
|
614 extern void default_globalize_label (FILE *, const char *);
|
|
615 extern void default_globalize_decl_name (FILE *, tree);
|
|
616 extern void default_emit_unwind_label (FILE *, tree, int, int);
|
|
617 extern void default_emit_except_table_label (FILE *);
|
|
618 extern void default_internal_label (FILE *, const char *, unsigned long);
|
|
619 extern void default_file_start (void);
|
|
620 extern void file_end_indicate_exec_stack (void);
|
|
621 extern bool default_valid_pointer_mode (enum machine_mode);
|
|
622
|
|
623 extern void default_elf_asm_output_external (FILE *file, tree,
|
|
624 const char *);
|
|
625 extern int maybe_assemble_visibility (tree);
|
|
626
|
|
627 extern int default_address_cost (rtx, bool);
|
|
628
|
|
629 /* dbxout helper functions */
|
|
630 #if defined DBX_DEBUGGING_INFO || defined XCOFF_DEBUGGING_INFO
|
|
631
|
|
632 extern void dbxout_int (int);
|
|
633 extern void dbxout_stabd (int, int);
|
|
634 extern void dbxout_begin_stabn (int);
|
|
635 extern void dbxout_begin_stabn_sline (int);
|
|
636 extern void dbxout_begin_empty_stabs (int);
|
|
637 extern void dbxout_begin_simple_stabs (const char *, int);
|
|
638 extern void dbxout_begin_simple_stabs_desc (const char *, int, int);
|
|
639
|
|
640 extern void dbxout_stab_value_zero (void);
|
|
641 extern void dbxout_stab_value_label (const char *);
|
|
642 extern void dbxout_stab_value_label_diff (const char *, const char *);
|
|
643 extern void dbxout_stab_value_internal_label (const char *, int *);
|
|
644 extern void dbxout_stab_value_internal_label_diff (const char *, int *,
|
|
645 const char *);
|
|
646
|
|
647 #endif
|
|
648
|
|
649 #endif /* ! GCC_OUTPUT_H */
|