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# This file was created by running dw2-bad-cfi.c
# through 'gcc -g -dA -S', and then hand-editing
# the CFI in "callee" to suit.
.file "dw2-bad-cfi.c"
.text
.Ltext0:
.globl callee
.type callee, @function
callee:
.LFB0:
.file 1 "dw2-bad-cfi.c"
# dw2-bad-cfi.c:20
.loc 1 20 0
.cfi_startproc
# BLOCK 2 seq:0
# PRED: ENTRY (fallthru)
pushq %rbp
/*
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
*/
movq %rsp, %rbp
/* .cfi_def_cfa_register 6 */
# dw2-bad-cfi.c:21
.loc 1 21 0
popq %rbp
/* .cfi_def_cfa 7, 8 */
/* The bug we introduce is that the return address column is
unspecified. In this case, there is no way to unwind. */
.cfi_undefined 6
.cfi_return_column 6
# SUCC: EXIT [100.0%]
ret
.cfi_endproc
.LFE0:
.size callee, .-callee
.globl main
.type main, @function
main:
.LFB1:
# dw2-bad-cfi.c:25
.loc 1 25 0
.cfi_startproc
# BLOCK 2 seq:0
# PRED: ENTRY (fallthru)
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
# dw2-bad-cfi.c:26
.loc 1 26 0
call callee
# dw2-bad-cfi.c:27
.loc 1 27 0
movl $0, %eax
# dw2-bad-cfi.c:28
.loc 1 28 0
popq %rbp
.cfi_def_cfa 7, 8
# SUCC: EXIT [100.0%]
ret
.cfi_endproc
.LFE1:
.size main, .-main
.Letext0:
.section .debug_info,"",@progbits
.Ldebug_info0:
.long 0x67 # Length of Compilation Unit Info
.value 0x4 # DWARF version number
.long .Ldebug_abbrev0 # Offset Into Abbrev. Section
.byte 0x8 # Pointer Size (in bytes)
.uleb128 0x1 # (DIE (0xb) DW_TAG_compile_unit)
.long .LASF0 # DW_AT_producer: "GNU C 4.7.2 20121109 (Red Hat 4.7.2-8) -mtune=generic -march=x86-64 -g"
.byte 0x1 # DW_AT_language
.long .LASF1 # DW_AT_name: "dw2-bad-cfi.c"
.long .LASF2 # DW_AT_comp_dir: "/home/tromey/gnu/gdb/devel/binutils-gdb/gdb/testsuite/gdb.dwarf2"
.quad .Ltext0 # DW_AT_low_pc
.quad .Letext0 # DW_AT_high_pc
.long .Ldebug_line0 # DW_AT_stmt_list
.uleb128 0x2 # (DIE (0x2d) DW_TAG_subprogram)
# DW_AT_external
.long .LASF3 # DW_AT_name: "callee"
.byte 0x1 # DW_AT_decl_file (dw2-bad-cfi.c)
.byte 0x13 # DW_AT_decl_line
# DW_AT_prototyped
.quad .LFB0 # DW_AT_low_pc
.quad .LFE0 # DW_AT_high_pc
.uleb128 0x1 # DW_AT_frame_base
.byte 0x9c # DW_OP_call_frame_cfa
# DW_AT_GNU_all_call_sites
.uleb128 0x3 # (DIE (0x46) DW_TAG_subprogram)
# DW_AT_external
.long .LASF4 # DW_AT_name: "main"
.byte 0x1 # DW_AT_decl_file (dw2-bad-cfi.c)
.byte 0x18 # DW_AT_decl_line
# DW_AT_prototyped
.long 0x63 # DW_AT_type
.quad .LFB1 # DW_AT_low_pc
.quad .LFE1 # DW_AT_high_pc
.uleb128 0x1 # DW_AT_frame_base
.byte 0x9c # DW_OP_call_frame_cfa
# DW_AT_GNU_all_tail_call_sites
.uleb128 0x4 # (DIE (0x63) DW_TAG_base_type)
.byte 0x4 # DW_AT_byte_size
.byte 0x5 # DW_AT_encoding
.ascii "int\0" # DW_AT_name
.byte 0 # end of children of DIE 0xb
.section .debug_abbrev,"",@progbits
.Ldebug_abbrev0:
.uleb128 0x1 # (abbrev code)
.uleb128 0x11 # (TAG: DW_TAG_compile_unit)
.byte 0x1 # DW_children_yes
.uleb128 0x25 # (DW_AT_producer)
.uleb128 0xe # (DW_FORM_strp)
.uleb128 0x13 # (DW_AT_language)
.uleb128 0xb # (DW_FORM_data1)
.uleb128 0x3 # (DW_AT_name)
.uleb128 0xe # (DW_FORM_strp)
.uleb128 0x1b # (DW_AT_comp_dir)
.uleb128 0xe # (DW_FORM_strp)
.uleb128 0x11 # (DW_AT_low_pc)
.uleb128 0x1 # (DW_FORM_addr)
.uleb128 0x12 # (DW_AT_high_pc)
.uleb128 0x1 # (DW_FORM_addr)
.uleb128 0x10 # (DW_AT_stmt_list)
.uleb128 0x17 # (DW_FORM_sec_offset)
.byte 0
.byte 0
.uleb128 0x2 # (abbrev code)
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
.byte 0 # DW_children_no
.uleb128 0x3f # (DW_AT_external)
.uleb128 0x19 # (DW_FORM_flag_present)
.uleb128 0x3 # (DW_AT_name)
.uleb128 0xe # (DW_FORM_strp)
.uleb128 0x3a # (DW_AT_decl_file)
.uleb128 0xb # (DW_FORM_data1)
.uleb128 0x3b # (DW_AT_decl_line)
.uleb128 0xb # (DW_FORM_data1)
.uleb128 0x27 # (DW_AT_prototyped)
.uleb128 0x19 # (DW_FORM_flag_present)
.uleb128 0x11 # (DW_AT_low_pc)
.uleb128 0x1 # (DW_FORM_addr)
.uleb128 0x12 # (DW_AT_high_pc)
.uleb128 0x1 # (DW_FORM_addr)
.uleb128 0x40 # (DW_AT_frame_base)
.uleb128 0x18 # (DW_FORM_exprloc)
.uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
.uleb128 0x19 # (DW_FORM_flag_present)
.byte 0
.byte 0
.uleb128 0x3 # (abbrev code)
.uleb128 0x2e # (TAG: DW_TAG_subprogram)
.byte 0 # DW_children_no
.uleb128 0x3f # (DW_AT_external)
.uleb128 0x19 # (DW_FORM_flag_present)
.uleb128 0x3 # (DW_AT_name)
.uleb128 0xe # (DW_FORM_strp)
.uleb128 0x3a # (DW_AT_decl_file)
.uleb128 0xb # (DW_FORM_data1)
.uleb128 0x3b # (DW_AT_decl_line)
.uleb128 0xb # (DW_FORM_data1)
.uleb128 0x27 # (DW_AT_prototyped)
.uleb128 0x19 # (DW_FORM_flag_present)
.uleb128 0x49 # (DW_AT_type)
.uleb128 0x13 # (DW_FORM_ref4)
.uleb128 0x11 # (DW_AT_low_pc)
.uleb128 0x1 # (DW_FORM_addr)
.uleb128 0x12 # (DW_AT_high_pc)
.uleb128 0x1 # (DW_FORM_addr)
.uleb128 0x40 # (DW_AT_frame_base)
.uleb128 0x18 # (DW_FORM_exprloc)
.uleb128 0x2116 # (DW_AT_GNU_all_tail_call_sites)
.uleb128 0x19 # (DW_FORM_flag_present)
.byte 0
.byte 0
.uleb128 0x4 # (abbrev code)
.uleb128 0x24 # (TAG: DW_TAG_base_type)
.byte 0 # DW_children_no
.uleb128 0xb # (DW_AT_byte_size)
.uleb128 0xb # (DW_FORM_data1)
.uleb128 0x3e # (DW_AT_encoding)
.uleb128 0xb # (DW_FORM_data1)
.uleb128 0x3 # (DW_AT_name)
.uleb128 0x8 # (DW_FORM_string)
.byte 0
.byte 0
.byte 0
.section .debug_aranges,"",@progbits
.long 0x2c # Length of Address Ranges Info
.value 0x2 # DWARF Version
.long .Ldebug_info0 # Offset of Compilation Unit Info
.byte 0x8 # Size of Address
.byte 0 # Size of Segment Descriptor
.value 0 # Pad to 16 byte boundary
.value 0
.quad .Ltext0 # Address
.quad .Letext0-.Ltext0 # Length
.quad 0
.quad 0
.section .debug_line,"",@progbits
.Ldebug_line0:
.section .debug_str,"MS",@progbits,1
.LASF3:
.string "callee"
.LASF1:
.string "dw2-bad-cfi.c"
.LASF2:
.string "/home/tromey/gnu/gdb/devel/binutils-gdb/gdb/testsuite/gdb.dwarf2"
.LASF4:
.string "main"
.LASF0:
.string "GNU C 4.7.2 20121109 (Red Hat 4.7.2-8) -mtune=generic -march=x86-64 -g"
.ident "GCC: (GNU) 4.7.2 20121109 (Red Hat 4.7.2-8)"
.section .note.GNU-stack,"",@progbits
|
