b966cb8abe
PR backtrace/10770: * valarith.c (value_binop): Handle BINOP_GTR, BINOP_LEQ, and BINOP_GEQ. Handle BINOP_NOTEQUAL in the signed case. * dwarf2expr.c (new_dwarf_expr_context): Allocate dwarf_stack_values, not CORE_ADDRs. (execute_stack_op): Change DW_OP_div and comparison operators to use signed operands. gdb/testsuite PR backtrace/10770: * gdb.dwarf2/pr10770.exp: New file. * gdb.dwarf2/pr10770.c: New file. * gdb.dwarf2/Makefile.in (EXECUTABLES): Add pr10770.
335 lines
12 KiB
C
335 lines
12 KiB
C
/* This file comes from GCC. If you are tempted to change it,
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consider also changing the copy there. */
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/* HP-UX libunwind.so doesn't provide _UA_END_OF_STACK */
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/* { dg-do run } */
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/* { dg-options "-fexceptions" } */
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/* { dg-skip-if "" { "ia64-*-hpux11.*" } { "*" } { "" } } */
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/* Verify DW_OP_* handling in the unwinder. */
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#include <unwind.h>
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#include <stdlib.h>
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#include <string.h>
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/* #define OP_addr(x) 0x06, ... */
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#define OP_deref 0x06,
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#define SLEB128(x) (x)&0x7f /* Assume here the value is -0x40 ... 0x3f. */
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#define ULEB128(x) (x)&0x7f /* Assume here the value is 0 ... 0x7f. */
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#define VAL1(x) (x)&0xff
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#if defined (__BIG_ENDIAN__)
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#define VAL2(x) ((x)>>8)&0xff,(x)&0xff
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#define VAL4(x) ((x)>>24)&0xff,((x)>>16)&0xff,((x)>>8)&0xff,(x)&0xff
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#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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#elif defined(__LITTLE_ENDIAN__) || defined(__x86_64__) || defined(__i386__)
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#define VAL2(x) (x)&0xff,((x)>>8)&0xff
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#define VAL4(x) (x)&0xff,((x)>>8)&0xff,((x)>>16)&0xff,((x)>>24)&0xff
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#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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#endif
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#define OP_const1u(x) 0x08,VAL1(x),
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#define OP_const1s(x) 0x09,VAL1(x),
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#define OP_const2u(x) 0x0a,VAL2(x),
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#define OP_const2s(x) 0x0b,VAL2(x),
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#define OP_const4u(x) 0x0c,VAL4(x),
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#define OP_const4s(x) 0x0d,VAL4(x),
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#define OP_const8u(x) 0x0e,VAL8(x),
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#define OP_const8s(x) 0x0f,VAL8(x),
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#define OP_constu(x) 0x10,ULEB128(x),
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#define OP_consts(x) 0x11,SLEB128(x),
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#define OP_dup 0x12,
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#define OP_drop 0x13,
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#define OP_over 0x14,
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#define OP_pick(x) 0x15,VAL1(x),
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#define OP_swap 0x16,
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#define OP_rot 0x17,
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#define OP_xderef 0x18,
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#define OP_abs 0x19,
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#define OP_and 0x1a,
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#define OP_div 0x1b,
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#define OP_minus 0x1c,
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#define OP_mod 0x1d,
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#define OP_mul 0x1e,
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#define OP_neg 0x1f,
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#define OP_not 0x20,
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#define OP_or 0x21,
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#define OP_plus 0x22,
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#define OP_plus_uconst(x) 0x23,ULEB128(x),
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#define OP_shl 0x24,
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#define OP_shr 0x25,
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#define OP_shra 0x26,
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#define OP_xor 0x27,
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#define OP_bra(x) 0x28,VAL2(x),
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#define OP_eq 0x29,
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#define OP_ge 0x2a,
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#define OP_gt 0x2b,
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#define OP_le 0x2c,
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#define OP_lt 0x2d,
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#define OP_ne 0x2e,
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#define OP_skip(x) 0x2f,VAL2(x),
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#define OP_lit0 0x30,
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#define OP_lit1 0x31,
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#define OP_lit2 0x32,
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#define OP_lit3 0x33,
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#define OP_lit4 0x34,
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#define OP_lit5 0x35,
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#define OP_lit6 0x36,
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#define OP_lit7 0x37,
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#define OP_lit8 0x38,
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#define OP_lit9 0x39,
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#define OP_lit10 0x3a,
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#define OP_lit11 0x3b,
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#define OP_lit12 0x3c,
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#define OP_lit13 0x3d,
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#define OP_lit14 0x3e,
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#define OP_lit15 0x3f,
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#define OP_lit16 0x40,
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#define OP_lit17 0x41,
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#define OP_lit18 0x42,
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#define OP_lit19 0x43,
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#define OP_lit20 0x44,
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#define OP_lit21 0x45,
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#define OP_lit22 0x46,
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#define OP_lit23 0x47,
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#define OP_lit24 0x48,
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#define OP_lit25 0x49,
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#define OP_lit26 0x4a,
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#define OP_lit27 0x4b,
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#define OP_lit28 0x4c,
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#define OP_lit29 0x4d,
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#define OP_lit30 0x4e,
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#define OP_lit31 0x4f,
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#define OP_reg0 0x50,
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#define OP_reg1 0x51,
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#define OP_reg2 0x52,
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#define OP_reg3 0x53,
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#define OP_reg4 0x54,
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#define OP_reg5 0x55,
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#define OP_reg6 0x56,
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#define OP_reg7 0x57,
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#define OP_reg8 0x58,
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#define OP_reg9 0x59,
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#define OP_reg10 0x5a,
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#define OP_reg11 0x5b,
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#define OP_reg12 0x5c,
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#define OP_reg13 0x5d,
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#define OP_reg14 0x5e,
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#define OP_reg15 0x5f,
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#define OP_reg16 0x60,
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#define OP_reg17 0x61,
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#define OP_reg18 0x62,
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#define OP_reg19 0x63,
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#define OP_reg20 0x64,
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#define OP_reg21 0x65,
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#define OP_reg22 0x66,
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#define OP_reg23 0x67,
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#define OP_reg24 0x68,
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#define OP_reg25 0x69,
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#define OP_reg26 0x6a,
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#define OP_reg27 0x6b,
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#define OP_reg28 0x6c,
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#define OP_reg29 0x6d,
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#define OP_reg30 0x6e,
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#define OP_reg31 0x6f,
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#define OP_breg0(x) 0x70,SLEB128(x),
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#define OP_breg1(x) 0x71,SLEB128(x),
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#define OP_breg2(x) 0x72,SLEB128(x),
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#define OP_breg3(x) 0x73,SLEB128(x),
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#define OP_breg4(x) 0x74,SLEB128(x),
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#define OP_breg5(x) 0x75,SLEB128(x),
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#define OP_breg6(x) 0x76,SLEB128(x),
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#define OP_breg7(x) 0x77,SLEB128(x),
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#define OP_breg8(x) 0x78,SLEB128(x),
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#define OP_breg9(x) 0x79,SLEB128(x),
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#define OP_breg10(x) 0x7a,SLEB128(x),
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#define OP_breg11(x) 0x7b,SLEB128(x),
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#define OP_breg12(x) 0x7c,SLEB128(x),
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#define OP_breg13(x) 0x7d,SLEB128(x),
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#define OP_breg14(x) 0x7e,SLEB128(x),
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#define OP_breg15(x) 0x7f,SLEB128(x),
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#define OP_breg16(x) 0x80,SLEB128(x),
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#define OP_breg17(x) 0x81,SLEB128(x),
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#define OP_breg18(x) 0x82,SLEB128(x),
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#define OP_breg19(x) 0x83,SLEB128(x),
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#define OP_breg20(x) 0x84,SLEB128(x),
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#define OP_breg21(x) 0x85,SLEB128(x),
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#define OP_breg22(x) 0x86,SLEB128(x),
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#define OP_breg23(x) 0x87,SLEB128(x),
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#define OP_breg24(x) 0x88,SLEB128(x),
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#define OP_breg25(x) 0x89,SLEB128(x),
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#define OP_breg26(x) 0x8a,SLEB128(x),
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#define OP_breg27(x) 0x8b,SLEB128(x),
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#define OP_breg28(x) 0x8c,SLEB128(x),
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#define OP_breg29(x) 0x8d,SLEB128(x),
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#define OP_breg30(x) 0x8e,SLEB128(x),
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#define OP_breg31(x) 0x8f,SLEB128(x),
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#define OP_regx(x) 0x90,SLEB128(x),
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#define OP_fbreg(x) 0x91,SLEB128(x),
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#define OP_bregx(x,y) 0x92,ULEB128(x),SLEB128(y),
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#define OP_piece(x) 0x93,ULEB128(x),
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#define OP_deref_size(x) 0x94,VAL1(x),
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#define OP_xderef_size(x) 0x95,VAL1(x),
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#define OP_nop 0x96,
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#define OP_nop_termination 0x96
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#define OP_push_object_address 0x97,
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#define OP_call2(x) 0x98,VAL2(x),
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#define OP_call4(x) 0x99,VAL4(x),
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/* #define OP_call_ref(x) 0x9a,... */
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#define OP_form_tls_address(x) 0x9b,
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#define OP_call_frame_cfa 0x9c,
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#define OP_bit_piece(x) 0x9d,ULEB128(x),
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/* #define OP_implicit_value(x...) 0x9e,... */
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#define OP_stack_value 0x9f,
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#define OP_GNU_push_tls_address 0xe0,
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/* #define OP_GNU_encoded_addr(x...) 0xf1, */
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#define ASSERT_TOS_NON0 OP_bra(3) OP_skip(-3)
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#define ASSERT_TOS_0 OP_lit0 OP_eq ASSERT_TOS_NON0
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/* Initially there is CFA value on the stack, we want to
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keep it there at the end. */
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#define CFI_PROGRAM \
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OP_lit0 OP_nop ASSERT_TOS_0 \
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OP_lit1 ASSERT_TOS_NON0 \
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OP_lit1 OP_const1u(1) OP_eq ASSERT_TOS_NON0 \
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OP_lit16 OP_const2u(16) OP_eq ASSERT_TOS_NON0 \
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OP_lit31 OP_const4u(31) OP_ne ASSERT_TOS_0 \
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OP_lit1 OP_neg OP_const1s(-1) OP_eq ASSERT_TOS_NON0 \
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OP_lit16 OP_neg OP_const2s(-16) OP_ne ASSERT_TOS_0 \
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OP_lit31 OP_const4s(-31) OP_neg OP_ne ASSERT_TOS_0 \
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OP_lit7 OP_dup OP_plus_uconst(2) OP_lit9 OP_eq ASSERT_TOS_NON0 \
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OP_lit7 OP_eq ASSERT_TOS_NON0 \
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OP_lit20 OP_lit1 OP_drop OP_lit20 OP_eq ASSERT_TOS_NON0 \
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OP_lit17 OP_lit19 OP_over OP_lit17 OP_eq ASSERT_TOS_NON0 \
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OP_lit19 OP_eq ASSERT_TOS_NON0 OP_lit17 OP_eq ASSERT_TOS_NON0 \
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OP_lit1 OP_lit2 OP_lit3 OP_lit4 OP_pick(2) OP_lit2 OP_eq ASSERT_TOS_NON0\
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OP_lit4 OP_eq ASSERT_TOS_NON0 OP_lit3 OP_eq ASSERT_TOS_NON0 \
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OP_pick(0) OP_lit2 OP_eq ASSERT_TOS_NON0 \
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OP_lit2 OP_eq ASSERT_TOS_NON0 OP_lit1 OP_eq ASSERT_TOS_NON0 \
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OP_lit6 OP_lit12 OP_swap OP_lit6 OP_eq ASSERT_TOS_NON0 \
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OP_lit12 OP_eq ASSERT_TOS_NON0 \
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OP_lit7 OP_lit8 OP_lit9 OP_rot OP_lit8 OP_eq ASSERT_TOS_NON0 \
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OP_lit7 OP_eq ASSERT_TOS_NON0 OP_lit9 OP_eq ASSERT_TOS_NON0 \
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OP_lit7 OP_abs OP_lit7 OP_eq ASSERT_TOS_NON0 \
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OP_const1s(-123) OP_abs OP_const1u(123) OP_eq ASSERT_TOS_NON0 \
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OP_lit3 OP_lit6 OP_and OP_lit2 OP_eq ASSERT_TOS_NON0 \
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OP_lit3 OP_lit6 OP_or OP_lit7 OP_eq ASSERT_TOS_NON0 \
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OP_lit17 OP_lit2 OP_minus OP_lit15 OP_eq ASSERT_TOS_NON0 \
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/* Divide is signed truncating toward zero. */ \
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OP_const1s(-6) OP_const1s(-2) OP_div OP_lit3 OP_eq ASSERT_TOS_NON0 \
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OP_const1s(-7) OP_const1s(3) OP_div OP_const1s(-2) \
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OP_eq ASSERT_TOS_NON0 \
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/* Modulo is unsigned. */ \
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OP_const1s(-6) OP_const1s(-4) OP_mod OP_const1s(-6) \
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OP_eq ASSERT_TOS_NON0 \
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OP_const1s(-6) OP_lit4 OP_mod OP_lit2 OP_eq ASSERT_TOS_NON0 \
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OP_lit6 OP_const1s(-4) OP_mod OP_lit6 OP_eq ASSERT_TOS_NON0 \
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/* Signed modulo can be implemented using "over over div mul minus". */\
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OP_const1s(-6) OP_const1s(-4) OP_over OP_over OP_div OP_mul OP_minus \
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OP_const1s(-2) OP_eq ASSERT_TOS_NON0 \
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OP_const1s(-7) OP_lit3 OP_over OP_over OP_div OP_mul OP_minus \
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OP_const1s(-1) OP_eq ASSERT_TOS_NON0 \
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OP_lit7 OP_const1s(-3) OP_over OP_over OP_div OP_mul OP_minus \
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OP_lit1 OP_eq ASSERT_TOS_NON0 \
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OP_lit16 OP_lit31 OP_plus_uconst(1) OP_mul OP_const2u(512) \
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OP_eq ASSERT_TOS_NON0 \
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OP_lit5 OP_not OP_lit31 OP_and OP_lit26 OP_eq ASSERT_TOS_NON0 \
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OP_lit12 OP_lit31 OP_plus OP_const1u(43) OP_eq ASSERT_TOS_NON0 \
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OP_const1s(-6) OP_lit2 OP_plus OP_const1s(-4) OP_eq ASSERT_TOS_NON0 \
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OP_const1s(-6) OP_plus_uconst(3) OP_const1s(-3) OP_eq ASSERT_TOS_NON0 \
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OP_lit16 OP_lit4 OP_shl OP_const2u(256) OP_eq ASSERT_TOS_NON0 \
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OP_lit16 OP_lit3 OP_shr OP_lit2 OP_eq ASSERT_TOS_NON0 \
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OP_const1s(-16) OP_lit3 OP_shra OP_const1s(-2) OP_eq ASSERT_TOS_NON0 \
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OP_lit3 OP_lit6 OP_xor OP_lit5 OP_eq ASSERT_TOS_NON0 \
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OP_lit3 OP_lit6 OP_le ASSERT_TOS_NON0 \
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OP_lit3 OP_lit3 OP_le ASSERT_TOS_NON0 \
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OP_lit6 OP_lit3 OP_le ASSERT_TOS_0 \
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OP_lit3 OP_lit6 OP_lt ASSERT_TOS_NON0 \
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OP_lit3 OP_lit3 OP_lt ASSERT_TOS_0 \
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OP_lit6 OP_lit3 OP_lt ASSERT_TOS_0 \
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OP_lit3 OP_lit6 OP_ge ASSERT_TOS_0 \
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OP_lit3 OP_lit3 OP_ge ASSERT_TOS_NON0 \
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OP_lit6 OP_lit3 OP_ge ASSERT_TOS_NON0 \
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OP_lit3 OP_lit6 OP_gt ASSERT_TOS_0 \
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OP_lit3 OP_lit3 OP_gt ASSERT_TOS_0 \
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OP_lit6 OP_lit3 OP_gt ASSERT_TOS_NON0 \
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OP_const1s(-6) OP_lit1 OP_shr OP_lit0 OP_gt ASSERT_TOS_NON0 \
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OP_const1s(-6) OP_lit1 OP_shra OP_lit0 OP_lt ASSERT_TOS_NON0
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#define CFI_ESCAPE_VAL_2(VALUES...) #VALUES
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#define CFI_ESCAPE_VAL_1(VALUES...) CFI_ESCAPE_VAL_2(VALUES)
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#define CFI_ESCAPE_VAL(VALUES...) CFI_ESCAPE_VAL_1(VALUES)
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#define CFI_ESCAPE do { } while (0)
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#define CFI_ARCH_PROGRAM OP_nop_termination
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#ifdef __GCC_HAVE_DWARF2_CFI_ASM
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#if defined (__x86_64__)
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#undef CFI_ESCAPE
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#undef CFI_ARCH_PROGRAM
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#define CFI_ARCH_PROGRAM CFI_PROGRAM OP_lit8 OP_minus OP_nop_termination
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unsigned char cfi_arch_program[] = { CFI_ARCH_PROGRAM };
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extern char verify_it[sizeof (cfi_arch_program) - 0x80 < 0x3f80 ? 1 : -1];
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/* DW_CFA_expression %rip, uleb128(l2-l1), l1: program DW_OP_lit8 DW_OP_minus DW_OP_nop l2: */
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#define CFI_ESCAPE \
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asm volatile (".cfi_escape 0x10, 0x10, (%P0&0x7f)+0x80, %P0>>7, " \
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CFI_ESCAPE_VAL (CFI_ARCH_PROGRAM) \
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: : "i" (sizeof (cfi_arch_program)))
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#elif defined (__i386__)
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#undef CFI_ESCAPE
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#undef CFI_ARCH_PROGRAM
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#define CFI_ARCH_PROGRAM CFI_PROGRAM OP_lit4 OP_minus OP_nop_termination
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unsigned char cfi_arch_program[] = { CFI_ARCH_PROGRAM };
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extern char verify_it[sizeof (cfi_arch_program) - 0x80 < 0x3f80 ? 1 : -1];
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/* DW_CFA_expression %eip, uleb128(l2-l1), l1: program DW_OP_lit4 DW_OP_minus DW_OP_nop l2: */
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#define CFI_ESCAPE \
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asm volatile (".cfi_escape 0x10, 8, (%P0&0x7f)+0x80, %P0>>7, " \
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CFI_ESCAPE_VAL (CFI_ARCH_PROGRAM) \
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: : "i" (sizeof (cfi_arch_program)))
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#endif
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#endif
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static _Unwind_Reason_Code
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force_unwind_stop (int version, _Unwind_Action actions,
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_Unwind_Exception_Class exc_class,
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struct _Unwind_Exception *exc_obj,
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struct _Unwind_Context *context,
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void *stop_parameter)
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{
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if (actions & _UA_END_OF_STACK)
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abort ();
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return _URC_NO_REASON;
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}
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static void force_unwind ()
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{
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struct _Unwind_Exception *exc = malloc (sizeof (*exc));
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memset (&exc->exception_class, 0, sizeof (exc->exception_class));
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exc->exception_cleanup = 0;
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#ifndef __USING_SJLJ_EXCEPTIONS__
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_Unwind_ForcedUnwind (exc, force_unwind_stop, 0);
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#else
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_Unwind_SjLj_ForcedUnwind (exc, force_unwind_stop, 0);
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#endif
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abort ();
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}
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static void handler (void *p __attribute__((unused)))
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{
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exit (0);
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}
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__attribute__((noinline)) static void callme ()
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{
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CFI_ESCAPE;
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force_unwind ();
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}
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__attribute__((noinline)) static void doit ()
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{
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char dummy __attribute__((cleanup (handler)));
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callme ();
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}
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int main()
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{
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doit ();
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abort ();
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}
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