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111
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1 /* HP-UX libunwind.so doesn't provide _UA_END_OF_STACK */
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2 /* { dg-do run } */
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3 /* { dg-options "-fexceptions" } */
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4 /* { dg-skip-if "" { "ia64-*-hpux11.*" } } */
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5 /* { dg-skip-if "" { ! nonlocal_goto } } */
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145
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6 /* { dg-require-effective-target exceptions } */
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111
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7 /* Verify DW_OP_* handling in the unwinder. */
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8
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9 #include <unwind.h>
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10 #include <stdlib.h>
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11 #include <string.h>
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12
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13 /* #define OP_addr(x) 0x06, ... */
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14 #define OP_deref 0x06,
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15 #define SLEB128(x) (x)&0x7f /* Assume here the value is -0x40 ... 0x3f. */
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16 #define ULEB128(x) (x)&0x7f /* Assume here the value is 0 ... 0x7f. */
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17 #define VAL1(x) (x)&0xff
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18 #if defined (__BIG_ENDIAN__)
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19 #define VAL2(x) ((x)>>8)&0xff,(x)&0xff
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20 #define VAL4(x) ((x)>>24)&0xff,((x)>>16)&0xff,((x)>>8)&0xff,(x)&0xff
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21 #define VAL8(x) ((x)>>56)&0xff,((x)>>48)&0xff,((x)>>40)&0xff,((x)>>32)&0xff,((x)>>24)&0xff,((x)>>16)&0xff,((x)>>8)&0xff,(x)&0xff
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22 #elif defined(__LITTLE_ENDIAN__) || defined(__x86_64__) || defined(__i386__)
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23 #define VAL2(x) (x)&0xff,((x)>>8)&0xff
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24 #define VAL4(x) (x)&0xff,((x)>>8)&0xff,((x)>>16)&0xff,((x)>>24)&0xff
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25 #define VAL8(x) (x)&0xff,((x)>>8)&0xff,((x)>>16)&0xff,((x)>>24)&0xff,((x)>>32)&0xff,((x)>>40)&0xff,((x)>>48)&0xff,((x)>>56)&0xff
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26 #endif
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27 #define OP_const1u(x) 0x08,VAL1(x),
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28 #define OP_const1s(x) 0x09,VAL1(x),
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29 #define OP_const2u(x) 0x0a,VAL2(x),
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30 #define OP_const2s(x) 0x0b,VAL2(x),
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31 #define OP_const4u(x) 0x0c,VAL4(x),
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32 #define OP_const4s(x) 0x0d,VAL4(x),
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33 #define OP_const8u(x) 0x0e,VAL8(x),
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34 #define OP_const8s(x) 0x0f,VAL8(x),
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35 #define OP_constu(x) 0x10,ULEB128(x),
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36 #define OP_consts(x) 0x11,SLEB128(x),
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37 #define OP_dup 0x12,
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38 #define OP_drop 0x13,
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39 #define OP_over 0x14,
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40 #define OP_pick(x) 0x15,VAL1(x),
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41 #define OP_swap 0x16,
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42 #define OP_rot 0x17,
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43 #define OP_xderef 0x18,
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44 #define OP_abs 0x19,
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45 #define OP_and 0x1a,
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46 #define OP_div 0x1b,
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47 #define OP_minus 0x1c,
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48 #define OP_mod 0x1d,
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49 #define OP_mul 0x1e,
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50 #define OP_neg 0x1f,
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51 #define OP_not 0x20,
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52 #define OP_or 0x21,
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53 #define OP_plus 0x22,
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54 #define OP_plus_uconst(x) 0x23,ULEB128(x),
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55 #define OP_shl 0x24,
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56 #define OP_shr 0x25,
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57 #define OP_shra 0x26,
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58 #define OP_xor 0x27,
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59 #define OP_bra(x) 0x28,VAL2(x),
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60 #define OP_eq 0x29,
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61 #define OP_ge 0x2a,
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62 #define OP_gt 0x2b,
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63 #define OP_le 0x2c,
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64 #define OP_lt 0x2d,
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65 #define OP_ne 0x2e,
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66 #define OP_skip(x) 0x2f,VAL2(x),
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67 #define OP_lit0 0x30,
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68 #define OP_lit1 0x31,
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69 #define OP_lit2 0x32,
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70 #define OP_lit3 0x33,
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71 #define OP_lit4 0x34,
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72 #define OP_lit5 0x35,
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73 #define OP_lit6 0x36,
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74 #define OP_lit7 0x37,
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75 #define OP_lit8 0x38,
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76 #define OP_lit9 0x39,
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77 #define OP_lit10 0x3a,
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78 #define OP_lit11 0x3b,
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79 #define OP_lit12 0x3c,
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80 #define OP_lit13 0x3d,
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81 #define OP_lit14 0x3e,
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82 #define OP_lit15 0x3f,
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83 #define OP_lit16 0x40,
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84 #define OP_lit17 0x41,
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85 #define OP_lit18 0x42,
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86 #define OP_lit19 0x43,
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87 #define OP_lit20 0x44,
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88 #define OP_lit21 0x45,
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89 #define OP_lit22 0x46,
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90 #define OP_lit23 0x47,
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91 #define OP_lit24 0x48,
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92 #define OP_lit25 0x49,
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93 #define OP_lit26 0x4a,
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94 #define OP_lit27 0x4b,
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95 #define OP_lit28 0x4c,
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96 #define OP_lit29 0x4d,
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97 #define OP_lit30 0x4e,
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98 #define OP_lit31 0x4f,
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99 #define OP_reg0 0x50,
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100 #define OP_reg1 0x51,
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101 #define OP_reg2 0x52,
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102 #define OP_reg3 0x53,
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103 #define OP_reg4 0x54,
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104 #define OP_reg5 0x55,
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105 #define OP_reg6 0x56,
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106 #define OP_reg7 0x57,
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107 #define OP_reg8 0x58,
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108 #define OP_reg9 0x59,
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109 #define OP_reg10 0x5a,
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110 #define OP_reg11 0x5b,
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111 #define OP_reg12 0x5c,
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112 #define OP_reg13 0x5d,
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113 #define OP_reg14 0x5e,
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114 #define OP_reg15 0x5f,
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115 #define OP_reg16 0x60,
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116 #define OP_reg17 0x61,
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117 #define OP_reg18 0x62,
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118 #define OP_reg19 0x63,
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119 #define OP_reg20 0x64,
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120 #define OP_reg21 0x65,
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121 #define OP_reg22 0x66,
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122 #define OP_reg23 0x67,
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123 #define OP_reg24 0x68,
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124 #define OP_reg25 0x69,
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125 #define OP_reg26 0x6a,
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126 #define OP_reg27 0x6b,
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127 #define OP_reg28 0x6c,
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128 #define OP_reg29 0x6d,
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129 #define OP_reg30 0x6e,
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130 #define OP_reg31 0x6f,
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131 #define OP_breg0(x) 0x70,SLEB128(x),
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132 #define OP_breg1(x) 0x71,SLEB128(x),
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133 #define OP_breg2(x) 0x72,SLEB128(x),
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134 #define OP_breg3(x) 0x73,SLEB128(x),
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135 #define OP_breg4(x) 0x74,SLEB128(x),
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136 #define OP_breg5(x) 0x75,SLEB128(x),
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137 #define OP_breg6(x) 0x76,SLEB128(x),
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138 #define OP_breg7(x) 0x77,SLEB128(x),
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139 #define OP_breg8(x) 0x78,SLEB128(x),
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140 #define OP_breg9(x) 0x79,SLEB128(x),
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141 #define OP_breg10(x) 0x7a,SLEB128(x),
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142 #define OP_breg11(x) 0x7b,SLEB128(x),
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143 #define OP_breg12(x) 0x7c,SLEB128(x),
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144 #define OP_breg13(x) 0x7d,SLEB128(x),
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145 #define OP_breg14(x) 0x7e,SLEB128(x),
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146 #define OP_breg15(x) 0x7f,SLEB128(x),
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147 #define OP_breg16(x) 0x80,SLEB128(x),
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148 #define OP_breg17(x) 0x81,SLEB128(x),
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149 #define OP_breg18(x) 0x82,SLEB128(x),
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150 #define OP_breg19(x) 0x83,SLEB128(x),
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151 #define OP_breg20(x) 0x84,SLEB128(x),
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152 #define OP_breg21(x) 0x85,SLEB128(x),
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153 #define OP_breg22(x) 0x86,SLEB128(x),
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154 #define OP_breg23(x) 0x87,SLEB128(x),
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155 #define OP_breg24(x) 0x88,SLEB128(x),
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156 #define OP_breg25(x) 0x89,SLEB128(x),
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157 #define OP_breg26(x) 0x8a,SLEB128(x),
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158 #define OP_breg27(x) 0x8b,SLEB128(x),
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159 #define OP_breg28(x) 0x8c,SLEB128(x),
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160 #define OP_breg29(x) 0x8d,SLEB128(x),
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161 #define OP_breg30(x) 0x8e,SLEB128(x),
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162 #define OP_breg31(x) 0x8f,SLEB128(x),
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163 #define OP_regx(x) 0x90,SLEB128(x),
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164 #define OP_fbreg(x) 0x91,SLEB128(x),
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165 #define OP_bregx(x,y) 0x92,ULEB128(x),SLEB128(y),
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166 #define OP_piece(x) 0x93,ULEB128(x),
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167 #define OP_deref_size(x) 0x94,VAL1(x),
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168 #define OP_xderef_size(x) 0x95,VAL1(x),
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169 #define OP_nop 0x96,
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170 #define OP_nop_termination 0x96
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171 #define OP_push_object_address 0x97,
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172 #define OP_call2(x) 0x98,VAL2(x),
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173 #define OP_call4(x) 0x99,VAL4(x),
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174 /* #define OP_call_ref(x) 0x9a,... */
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175 #define OP_form_tls_address(x) 0x9b,
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176 #define OP_call_frame_cfa 0x9c,
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177 #define OP_bit_piece(x) 0x9d,ULEB128(x),
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178 /* #define OP_implicit_value(x...) 0x9e,... */
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179 #define OP_stack_value 0x9f,
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180 #define OP_GNU_push_tls_address 0xe0,
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181 /* #define OP_GNU_encoded_addr(x...) 0xf1, */
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182
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183 #define ASSERT_TOS_NON0 OP_bra(3) OP_skip(-3)
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184 #define ASSERT_TOS_0 OP_lit0 OP_eq ASSERT_TOS_NON0
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185
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186 /* Initially there is CFA value on the stack, we want to
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187 keep it there at the end. */
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188 #define CFI_PROGRAM \
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189 OP_lit0 OP_nop ASSERT_TOS_0 \
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190 OP_lit1 ASSERT_TOS_NON0 \
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191 OP_lit1 OP_const1u(1) OP_eq ASSERT_TOS_NON0 \
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192 OP_lit16 OP_const2u(16) OP_eq ASSERT_TOS_NON0 \
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193 OP_lit31 OP_const4u(31) OP_ne ASSERT_TOS_0 \
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194 OP_lit1 OP_neg OP_const1s(-1) OP_eq ASSERT_TOS_NON0 \
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195 OP_lit16 OP_neg OP_const2s(-16) OP_ne ASSERT_TOS_0 \
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196 OP_lit31 OP_const4s(-31) OP_neg OP_ne ASSERT_TOS_0 \
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197 OP_lit7 OP_dup OP_plus_uconst(2) OP_lit9 OP_eq ASSERT_TOS_NON0 \
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198 OP_lit7 OP_eq ASSERT_TOS_NON0 \
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199 OP_lit20 OP_lit1 OP_drop OP_lit20 OP_eq ASSERT_TOS_NON0 \
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200 OP_lit17 OP_lit19 OP_over OP_lit17 OP_eq ASSERT_TOS_NON0 \
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201 OP_lit19 OP_eq ASSERT_TOS_NON0 OP_lit17 OP_eq ASSERT_TOS_NON0 \
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202 OP_lit1 OP_lit2 OP_lit3 OP_lit4 OP_pick(2) OP_lit2 OP_eq ASSERT_TOS_NON0\
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203 OP_lit4 OP_eq ASSERT_TOS_NON0 OP_lit3 OP_eq ASSERT_TOS_NON0 \
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204 OP_pick(0) OP_lit2 OP_eq ASSERT_TOS_NON0 \
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205 OP_lit2 OP_eq ASSERT_TOS_NON0 OP_lit1 OP_eq ASSERT_TOS_NON0 \
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206 OP_lit6 OP_lit12 OP_swap OP_lit6 OP_eq ASSERT_TOS_NON0 \
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207 OP_lit12 OP_eq ASSERT_TOS_NON0 \
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208 OP_lit7 OP_lit8 OP_lit9 OP_rot OP_lit8 OP_eq ASSERT_TOS_NON0 \
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209 OP_lit7 OP_eq ASSERT_TOS_NON0 OP_lit9 OP_eq ASSERT_TOS_NON0 \
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210 OP_lit7 OP_abs OP_lit7 OP_eq ASSERT_TOS_NON0 \
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211 OP_const1s(-123) OP_abs OP_const1u(123) OP_eq ASSERT_TOS_NON0 \
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212 OP_lit3 OP_lit6 OP_and OP_lit2 OP_eq ASSERT_TOS_NON0 \
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213 OP_lit3 OP_lit6 OP_or OP_lit7 OP_eq ASSERT_TOS_NON0 \
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214 OP_lit17 OP_lit2 OP_minus OP_lit15 OP_eq ASSERT_TOS_NON0 \
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215 /* Divide is signed truncating toward zero. */ \
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216 OP_const1s(-6) OP_const1s(-2) OP_div OP_lit3 OP_eq ASSERT_TOS_NON0 \
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217 OP_const1s(-7) OP_const1s(3) OP_div OP_const1s(-2) \
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218 OP_eq ASSERT_TOS_NON0 \
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219 /* Modulo is unsigned. */ \
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220 OP_const1s(-6) OP_const1s(-4) OP_mod OP_const1s(-6) \
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221 OP_eq ASSERT_TOS_NON0 \
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222 OP_const1s(-6) OP_lit4 OP_mod OP_lit2 OP_eq ASSERT_TOS_NON0 \
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223 OP_lit6 OP_const1s(-4) OP_mod OP_lit6 OP_eq ASSERT_TOS_NON0 \
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224 /* Signed modulo can be implemented using "over over div mul minus". */\
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225 OP_const1s(-6) OP_const1s(-4) OP_over OP_over OP_div OP_mul OP_minus \
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226 OP_const1s(-2) OP_eq ASSERT_TOS_NON0 \
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227 OP_const1s(-7) OP_lit3 OP_over OP_over OP_div OP_mul OP_minus \
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228 OP_const1s(-1) OP_eq ASSERT_TOS_NON0 \
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229 OP_lit7 OP_const1s(-3) OP_over OP_over OP_div OP_mul OP_minus \
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230 OP_lit1 OP_eq ASSERT_TOS_NON0 \
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231 OP_lit16 OP_lit31 OP_plus_uconst(1) OP_mul OP_const2u(512) \
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232 OP_eq ASSERT_TOS_NON0 \
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233 OP_lit5 OP_not OP_lit31 OP_and OP_lit26 OP_eq ASSERT_TOS_NON0 \
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234 OP_lit12 OP_lit31 OP_plus OP_const1u(43) OP_eq ASSERT_TOS_NON0 \
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235 OP_const1s(-6) OP_lit2 OP_plus OP_const1s(-4) OP_eq ASSERT_TOS_NON0 \
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236 OP_const1s(-6) OP_plus_uconst(3) OP_const1s(-3) OP_eq ASSERT_TOS_NON0 \
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237 OP_lit16 OP_lit4 OP_shl OP_const2u(256) OP_eq ASSERT_TOS_NON0 \
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238 OP_lit16 OP_lit3 OP_shr OP_lit2 OP_eq ASSERT_TOS_NON0 \
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239 OP_const1s(-16) OP_lit3 OP_shra OP_const1s(-2) OP_eq ASSERT_TOS_NON0 \
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240 OP_lit3 OP_lit6 OP_xor OP_lit5 OP_eq ASSERT_TOS_NON0 \
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241 OP_lit3 OP_lit6 OP_le ASSERT_TOS_NON0 \
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242 OP_lit3 OP_lit3 OP_le ASSERT_TOS_NON0 \
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243 OP_lit6 OP_lit3 OP_le ASSERT_TOS_0 \
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244 OP_lit3 OP_lit6 OP_lt ASSERT_TOS_NON0 \
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245 OP_lit3 OP_lit3 OP_lt ASSERT_TOS_0 \
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246 OP_lit6 OP_lit3 OP_lt ASSERT_TOS_0 \
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247 OP_lit3 OP_lit6 OP_ge ASSERT_TOS_0 \
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248 OP_lit3 OP_lit3 OP_ge ASSERT_TOS_NON0 \
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249 OP_lit6 OP_lit3 OP_ge ASSERT_TOS_NON0 \
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250 OP_lit3 OP_lit6 OP_gt ASSERT_TOS_0 \
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251 OP_lit3 OP_lit3 OP_gt ASSERT_TOS_0 \
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252 OP_lit6 OP_lit3 OP_gt ASSERT_TOS_NON0 \
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253 OP_const1s(-6) OP_lit1 OP_shr OP_lit0 OP_gt ASSERT_TOS_NON0 \
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254 OP_const1s(-6) OP_lit1 OP_shra OP_lit0 OP_lt ASSERT_TOS_NON0
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255
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256 #define CFI_ESCAPE_VAL_2(VALUES...) #VALUES
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257 #define CFI_ESCAPE_VAL_1(VALUES...) CFI_ESCAPE_VAL_2(VALUES)
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258 #define CFI_ESCAPE_VAL(VALUES...) CFI_ESCAPE_VAL_1(VALUES)
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259 #define CFI_ESCAPE do { } while (0)
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260 #define CFI_ARCH_PROGRAM OP_nop_termination
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261 #ifdef __GCC_HAVE_DWARF2_CFI_ASM
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262 #if defined (__x86_64__)
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263 #undef CFI_ESCAPE
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264 #undef CFI_ARCH_PROGRAM
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265 #define CFI_ARCH_PROGRAM CFI_PROGRAM OP_lit8 OP_minus OP_nop_termination
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266 unsigned char cfi_arch_program[] = { CFI_ARCH_PROGRAM };
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267 extern char verify_it[sizeof (cfi_arch_program) - 0x80 < 0x3f80 ? 1 : -1];
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268 /* DW_CFA_expression %rip, uleb128(l2-l1), l1: program DW_OP_lit8 DW_OP_minus DW_OP_nop l2: */
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269 #define CFI_ESCAPE \
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270 asm volatile (".cfi_escape 0x10, 0x10, (%P0&0x7f)+0x80, %P0>>7, " \
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271 CFI_ESCAPE_VAL (CFI_ARCH_PROGRAM) \
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272 : : "i" (sizeof (cfi_arch_program)))
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273 #elif defined (__i386__)
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274 #undef CFI_ESCAPE
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275 #undef CFI_ARCH_PROGRAM
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276 #define CFI_ARCH_PROGRAM CFI_PROGRAM OP_lit4 OP_minus OP_nop_termination
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277 unsigned char cfi_arch_program[] = { CFI_ARCH_PROGRAM };
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278 extern char verify_it[sizeof (cfi_arch_program) - 0x80 < 0x3f80 ? 1 : -1];
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279 /* DW_CFA_expression %eip, uleb128(l2-l1), l1: program DW_OP_lit4 DW_OP_minus DW_OP_nop l2: */
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280 #define CFI_ESCAPE \
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281 asm volatile (".cfi_escape 0x10, 8, (%P0&0x7f)+0x80, %P0>>7, " \
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282 CFI_ESCAPE_VAL (CFI_ARCH_PROGRAM) \
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283 : : "i" (sizeof (cfi_arch_program)))
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284 #endif
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285 #endif
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286 static _Unwind_Reason_Code
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287 force_unwind_stop (int version, _Unwind_Action actions,
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288 _Unwind_Exception_Class exc_class,
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289 struct _Unwind_Exception *exc_obj,
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290 struct _Unwind_Context *context,
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291 void *stop_parameter)
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292 {
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293 if (actions & _UA_END_OF_STACK)
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294 abort ();
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295 return _URC_NO_REASON;
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296 }
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297
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298 static void force_unwind ()
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299 {
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300 struct _Unwind_Exception *exc = malloc (sizeof (*exc));
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301 memset (&exc->exception_class, 0, sizeof (exc->exception_class));
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302 exc->exception_cleanup = 0;
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303
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304 #ifndef __USING_SJLJ_EXCEPTIONS__
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305 _Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
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306 #else
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307 _Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
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308 #endif
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309
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310 abort ();
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311 }
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312
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313 static void handler (void *p __attribute__((unused)))
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314 {
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315 exit (0);
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316 }
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317
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318 __attribute__((noinline)) static void callme ()
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319 {
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320 CFI_ESCAPE;
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321 force_unwind ();
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322 }
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323
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324 __attribute__((noinline)) static void doit ()
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325 {
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326 char dummy __attribute__((cleanup (handler)));
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327 callme ();
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328 }
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329
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330 int main()
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331 {
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332 doit ();
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333 abort ();
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334 }
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