PR c++/14999:
* dwarf2loc.c (dwarf2_compile_expr_to_ax) <DW_OP_fbreg>: Call require_rvalue. gdb/testsuite * gdb.dwarf2/trace-crash.s: New file. * gdb.dwarf2/trace-crash.exp: New file.
This commit is contained in:
Tom Tromey
parent
50701cc170
commit
46f352282b
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@ -1,3 +1,9 @@
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2013-01-18 Tom Tromey <tromey@redhat.com>
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PR c++/14999:
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* dwarf2loc.c (dwarf2_compile_expr_to_ax) <DW_OP_fbreg>:
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Call require_rvalue.
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2013-01-18 Yao Qi <yao@codesourcery.com>
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* dbxread.c (dbx_psymtab_to_symtab): Delete the declaration.
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@ -2878,6 +2878,7 @@ dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc,
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op_ptr = safe_read_sleb128 (op_ptr, op_end, &offset);
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dwarf2_compile_expr_to_ax (expr, loc, arch, addr_size, datastart,
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datastart + datalen, per_cu);
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require_rvalue (expr, loc);
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if (offset != 0)
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{
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@ -1,3 +1,8 @@
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2013-01-18 Tom Tromey <tromey@redhat.com>
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* gdb.dwarf2/trace-crash.s: New file.
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* gdb.dwarf2/trace-crash.exp: New file.
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2013-01-18 Hafiz Abid Qadeer<abidh@codesourcery.com>
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PR gdb/13443
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@ -0,0 +1,295 @@
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/* This file was created using Clang -g -S from this source
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code:
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int func(int p) {
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int x = p + 3;
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return x;
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}
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int main() { return func(3); }
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See http://sourceware.org/bugzilla/show_bug.cgi?id=14999
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*/
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.file "trace-crash.c"
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.file 1 "trace-crash.c"
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.text
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.globl func
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.align 16, 0x90
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.type func,@function
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func: # @func
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.cfi_startproc
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.Lfunc_begin0:
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.loc 1 1 0 # trace-crash.c:1:0
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# BB#0: # %entry
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movl %edi, -4(%rsp)
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.loc 1 2 0 prologue_end # trace-crash.c:2:0
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.Ltmp0:
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movl -4(%rsp), %edi
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addl $3, %edi
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movl %edi, -8(%rsp)
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.loc 1 3 0 # trace-crash.c:3:0
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movl -8(%rsp), %eax
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ret
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.Ltmp1:
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.Ltmp2:
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.size func, .Ltmp2-func
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.Lfunc_end0:
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.cfi_endproc
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.globl main
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.align 16, 0x90
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.type main,@function
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main: # @main
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.cfi_startproc
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.Lfunc_begin1:
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.loc 1 6 0 # trace-crash.c:6:0
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# BB#0: # %entry
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pushq %rbp
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.Ltmp5:
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.cfi_def_cfa_offset 16
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.Ltmp6:
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.cfi_offset %rbp, -16
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movq %rsp, %rbp
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.Ltmp7:
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.cfi_def_cfa_register %rbp
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subq $16, %rsp
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movl $3, %edi
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movl $0, -4(%rbp)
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.loc 1 6 0 prologue_end # trace-crash.c:6:0
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.Ltmp8:
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callq func
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addq $16, %rsp
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popq %rbp
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ret
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.Ltmp9:
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.Ltmp10:
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.size main, .Ltmp10-main
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.Lfunc_end1:
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.cfi_endproc
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.Ltext_end:
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.data
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.Ldata_end:
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.text
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.Lsection_end1:
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.section .debug_info,"",@progbits
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.Lsection_info:
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.section .debug_abbrev,"",@progbits
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.Lsection_abbrev:
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.section .debug_aranges,"",@progbits
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.section .debug_macinfo,"",@progbits
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.section .debug_line,"",@progbits
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.Lsection_line:
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.section .debug_loc,"",@progbits
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.section .debug_pubtypes,"",@progbits
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.section .debug_str,"MS",@progbits,1
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.Linfo_string:
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.section .debug_ranges,"",@progbits
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.Ldebug_range:
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.section .debug_loc,"",@progbits
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.Lsection_debug_loc:
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.text
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.Ltext_begin:
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.data
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.section .debug_info,"",@progbits
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.L.debug_info_begin0:
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.long 147 # Length of Compilation Unit Info
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.short 2 # DWARF version number
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.long .L.debug_abbrev_begin # Offset Into Abbrev. Section
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.byte 8 # Address Size (in bytes)
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.byte 1 # Abbrev [1] 0xb:0x8c DW_TAG_compile_unit
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.long .Linfo_string0 # DW_AT_producer
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.short 12 # DW_AT_language
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.long .Linfo_string1 # DW_AT_name
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.quad 0 # DW_AT_low_pc
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.long .Lsection_line # DW_AT_stmt_list
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.long .Linfo_string2 # DW_AT_comp_dir
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.byte 2 # Abbrev [2] 0x26:0x4c DW_TAG_subprogram
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.long .Linfo_string3 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 1 # DW_AT_decl_line
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# DW_AT_prototyped
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.long 114 # DW_AT_type
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# DW_AT_external
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.quad .Lfunc_begin0 # DW_AT_low_pc
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.quad .Lfunc_end0 # DW_AT_high_pc
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.byte 1 # DW_AT_frame_base
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.byte 87
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# DW_AT_APPLE_omit_frame_ptr
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.byte 3 # Abbrev [3] 0x43:0xe DW_TAG_formal_parameter
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.long .Linfo_string6 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 1 # DW_AT_decl_line
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.long 114 # DW_AT_type
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.byte 2 # DW_AT_location
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.byte 145
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.byte 124
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.byte 4 # Abbrev [4] 0x51:0x20 DW_TAG_lexical_block
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.quad .Ltmp0 # DW_AT_low_pc
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.quad .Ltmp1 # DW_AT_high_pc
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.byte 5 # Abbrev [5] 0x62:0xe DW_TAG_variable
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.long .Linfo_string7 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 2 # DW_AT_decl_line
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.long 114 # DW_AT_type
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.byte 2 # DW_AT_location
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.byte 145
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.byte 120
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.byte 0 # End Of Children Mark
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.byte 0 # End Of Children Mark
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.byte 6 # Abbrev [6] 0x72:0x7 DW_TAG_base_type
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.long .Linfo_string4 # DW_AT_name
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.byte 5 # DW_AT_encoding
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.byte 4 # DW_AT_byte_size
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.byte 7 # Abbrev [7] 0x79:0x1d DW_TAG_subprogram
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.long .Linfo_string5 # DW_AT_name
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.byte 1 # DW_AT_decl_file
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.byte 6 # DW_AT_decl_line
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.long 114 # DW_AT_type
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# DW_AT_external
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.quad .Lfunc_begin1 # DW_AT_low_pc
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.quad .Lfunc_end1 # DW_AT_high_pc
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.byte 1 # DW_AT_frame_base
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.byte 86
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.byte 0 # End Of Children Mark
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.L.debug_info_end0:
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.section .debug_abbrev,"",@progbits
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.L.debug_abbrev_begin:
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.byte 1 # Abbreviation Code
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.byte 17 # DW_TAG_compile_unit
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.byte 1 # DW_CHILDREN_yes
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.byte 37 # DW_AT_producer
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.byte 14 # DW_FORM_strp
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.byte 19 # DW_AT_language
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.byte 5 # DW_FORM_data2
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 16 # DW_AT_stmt_list
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.byte 6 # DW_FORM_data4
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.byte 27 # DW_AT_comp_dir
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.byte 14 # DW_FORM_strp
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 2 # Abbreviation Code
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.byte 46 # DW_TAG_subprogram
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.byte 1 # DW_CHILDREN_yes
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 39 # DW_AT_prototyped
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.byte 25 # DW_FORM_flag_present
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 63 # DW_AT_external
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.byte 25 # DW_FORM_flag_present
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 1 # DW_FORM_addr
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.byte 64 # DW_AT_frame_base
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.byte 10 # DW_FORM_block1
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.ascii "\347\177" # DW_AT_APPLE_omit_frame_ptr
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.byte 25 # DW_FORM_flag_present
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 3 # Abbreviation Code
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.byte 5 # DW_TAG_formal_parameter
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.byte 0 # DW_CHILDREN_no
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 2 # DW_AT_location
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.byte 10 # DW_FORM_block1
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 4 # Abbreviation Code
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.byte 11 # DW_TAG_lexical_block
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.byte 1 # DW_CHILDREN_yes
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 1 # DW_FORM_addr
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 5 # Abbreviation Code
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.byte 52 # DW_TAG_variable
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.byte 0 # DW_CHILDREN_no
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 2 # DW_AT_location
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.byte 10 # DW_FORM_block1
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 6 # Abbreviation Code
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.byte 36 # DW_TAG_base_type
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.byte 0 # DW_CHILDREN_no
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 62 # DW_AT_encoding
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.byte 11 # DW_FORM_data1
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.byte 11 # DW_AT_byte_size
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.byte 11 # DW_FORM_data1
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 7 # Abbreviation Code
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.byte 46 # DW_TAG_subprogram
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.byte 0 # DW_CHILDREN_no
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.byte 3 # DW_AT_name
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.byte 14 # DW_FORM_strp
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.byte 58 # DW_AT_decl_file
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.byte 11 # DW_FORM_data1
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.byte 59 # DW_AT_decl_line
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.byte 11 # DW_FORM_data1
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.byte 73 # DW_AT_type
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.byte 19 # DW_FORM_ref4
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.byte 63 # DW_AT_external
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.byte 25 # DW_FORM_flag_present
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.byte 17 # DW_AT_low_pc
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.byte 1 # DW_FORM_addr
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.byte 18 # DW_AT_high_pc
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.byte 1 # DW_FORM_addr
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.byte 64 # DW_AT_frame_base
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.byte 10 # DW_FORM_block1
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.byte 0 # EOM(1)
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.byte 0 # EOM(2)
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.byte 0 # EOM(3)
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.L.debug_abbrev_end:
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.section .debug_aranges,"",@progbits
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.section .debug_ranges,"",@progbits
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.section .debug_macinfo,"",@progbits
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.section .debug_str,"MS",@progbits,1
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.Linfo_string0:
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.asciz "clang version 3.3 "
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.Linfo_string1:
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.asciz "trace-crash.c"
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.Linfo_string2:
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.asciz "/tmp"
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.Linfo_string3:
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.asciz "func"
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.Linfo_string4:
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.asciz "int"
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.Linfo_string5:
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.asciz "main"
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.Linfo_string6:
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.asciz "p"
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.Linfo_string7:
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.asciz "x"
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.section ".note.GNU-stack","",@progbits
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@ -0,0 +1,41 @@
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# Copyright 2013 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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load_lib dwarf.exp
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load_lib trace-support.exp
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# This test can only be run on targets which support DWARF-2 and use gas.
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if {![dwarf2_support]} {
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return 0
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}
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# This test can only be run on x86-64 targets.
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if {![istarget x86_64-*] || ![is_lp64_target]} {
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return 0
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}
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standard_testfile .S
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if {[prepare_for_testing "${testfile}.exp" "${testfile}" ${testfile}.S \
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nodebug]} {
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return -1
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}
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gdb_test "trace ${testfile}.c:3" "Tracepoint $decimal .*" \
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"set tracepoint"
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# This is a regression test for a crash when converting a DWARF
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# expression to AX.
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gdb_trace_setactions "set tracepoint actions" "" "collect x" "^$"
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