gdb/testsuite/gdb.dwarf2/dw2-bad-cfi.S

   1 # This file was created by running dw2-bad-cfi.c
   2 # through 'gcc -g -dA -S', and then hand-editing
   3 # the CFI in "callee" to suit.
   4
   5         .file   "dw2-bad-cfi.c"
   6         .text
   7 .Ltext0:
   8         .globl  callee
   9         .type   callee, @function
  10 callee:
  11 .LFB0:
  12         .file 1 "dw2-bad-cfi.c"
  13         # dw2-bad-cfi.c:20
  14         .loc 1 20 0
  15         .cfi_startproc
  16 # BLOCK 2 seq:0
  17 # PRED: ENTRY (fallthru)
  18         pushq   %rbp
  19 /*
  20         .cfi_def_cfa_offset 16
  21         .cfi_offset 6, -16
  22 */
  23         movq    %rsp, %rbp
  24 /*      .cfi_def_cfa_register 6 */
  25         # dw2-bad-cfi.c:21
  26         .loc 1 21 0
  27         popq    %rbp
  28 /*      .cfi_def_cfa 7, 8 */
  29         /* The bug we introduce is that the return address column is
  30            unspecified.  In this case, there is no way to unwind.  */
  31         .cfi_undefined 6
  32         .cfi_return_column 6
  33 # SUCC: EXIT [100.0%]
  34         ret
  35         .cfi_endproc
  36 .LFE0:
  37         .size   callee, .-callee
  38         .globl  main
  39         .type   main, @function
  40 main:
  41 .LFB1:
  42         # dw2-bad-cfi.c:25
  43         .loc 1 25 0
  44         .cfi_startproc
  45 # BLOCK 2 seq:0
  46 # PRED: ENTRY (fallthru)
  47         pushq   %rbp
  48         .cfi_def_cfa_offset 16
  49         .cfi_offset 6, -16
  50         movq    %rsp, %rbp
  51         .cfi_def_cfa_register 6
  52         # dw2-bad-cfi.c:26
  53         .loc 1 26 0
  54         call    callee
  55         # dw2-bad-cfi.c:27
  56         .loc 1 27 0
  57         movl    $0, %eax
  58         # dw2-bad-cfi.c:28
  59         .loc 1 28 0
  60         popq    %rbp
  61         .cfi_def_cfa 7, 8
  62 # SUCC: EXIT [100.0%]
  63         ret
  64         .cfi_endproc
  65 .LFE1:
  66         .size   main, .-main
  67 .Letext0:
  68         .section        .debug_info,"",@progbits
  69 .Ldebug_info0:
  70         .long   0x67    # Length of Compilation Unit Info
  71         .value  0x4     # DWARF version number
  72         .long   .Ldebug_abbrev0 # Offset Into Abbrev. Section
  73         .byte   0x8     # Pointer Size (in bytes)
  74         .uleb128 0x1    # (DIE (0xb) DW_TAG_compile_unit)
  75         .long   .LASF0  # DW_AT_producer: "GNU C 4.7.2 20121109 (Red Hat 4.7.2-8) -mtune=generic -march=x86-64 -g"
  76         .byte   0x1     # DW_AT_language
  77         .long   .LASF1  # DW_AT_name: "dw2-bad-cfi.c"
  78         .long   .LASF2  # DW_AT_comp_dir: "/home/tromey/gnu/gdb/devel/binutils-gdb/gdb/testsuite/gdb.dwarf2"
  79         .quad   .Ltext0 # DW_AT_low_pc
  80         .quad   .Letext0        # DW_AT_high_pc
  81         .long   .Ldebug_line0   # DW_AT_stmt_list
  82         .uleb128 0x2    # (DIE (0x2d) DW_TAG_subprogram)
  83                         # DW_AT_external
  84         .long   .LASF3  # DW_AT_name: "callee"
  85         .byte   0x1     # DW_AT_decl_file (dw2-bad-cfi.c)
  86         .byte   0x13    # DW_AT_decl_line
  87                         # DW_AT_prototyped
  88         .quad   .LFB0   # DW_AT_low_pc
  89         .quad   .LFE0   # DW_AT_high_pc
  90         .uleb128 0x1    # DW_AT_frame_base
  91         .byte   0x9c    # DW_OP_call_frame_cfa
  92                         # DW_AT_GNU_all_call_sites
  93         .uleb128 0x3    # (DIE (0x46) DW_TAG_subprogram)
  94                         # DW_AT_external
  95         .long   .LASF4  # DW_AT_name: "main"
  96         .byte   0x1     # DW_AT_decl_file (dw2-bad-cfi.c)
  97         .byte   0x18    # DW_AT_decl_line
  98                         # DW_AT_prototyped
  99         .long   0x63    # DW_AT_type
 100         .quad   .LFB1   # DW_AT_low_pc
 101         .quad   .LFE1   # DW_AT_high_pc
 102         .uleb128 0x1    # DW_AT_frame_base
 103         .byte   0x9c    # DW_OP_call_frame_cfa
 104                         # DW_AT_GNU_all_tail_call_sites
 105         .uleb128 0x4    # (DIE (0x63) DW_TAG_base_type)
 106         .byte   0x4     # DW_AT_byte_size
 107         .byte   0x5     # DW_AT_encoding
 108         .ascii "int\0"  # DW_AT_name
 109         .byte   0       # end of children of DIE 0xb
 110         .section        .debug_abbrev,"",@progbits
 111 .Ldebug_abbrev0:
 112         .uleb128 0x1    # (abbrev code)
 113         .uleb128 0x11   # (TAG: DW_TAG_compile_unit)
 114         .byte   0x1     # DW_children_yes
 115         .uleb128 0x25   # (DW_AT_producer)
 116         .uleb128 0xe    # (DW_FORM_strp)
 117         .uleb128 0x13   # (DW_AT_language)
 118         .uleb128 0xb    # (DW_FORM_data1)
 119         .uleb128 0x3    # (DW_AT_name)
 120         .uleb128 0xe    # (DW_FORM_strp)
 121         .uleb128 0x1b   # (DW_AT_comp_dir)
 122         .uleb128 0xe    # (DW_FORM_strp)
 123         .uleb128 0x11   # (DW_AT_low_pc)
 124         .uleb128 0x1    # (DW_FORM_addr)
 125         .uleb128 0x12   # (DW_AT_high_pc)
 126         .uleb128 0x1    # (DW_FORM_addr)
 127         .uleb128 0x10   # (DW_AT_stmt_list)
 128         .uleb128 0x17   # (DW_FORM_sec_offset)
 129         .byte   0
 130         .byte   0
 131         .uleb128 0x2    # (abbrev code)
 132         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 133         .byte   0       # DW_children_no
 134         .uleb128 0x3f   # (DW_AT_external)
 135         .uleb128 0x19   # (DW_FORM_flag_present)
 136         .uleb128 0x3    # (DW_AT_name)
 137         .uleb128 0xe    # (DW_FORM_strp)
 138         .uleb128 0x3a   # (DW_AT_decl_file)
 139         .uleb128 0xb    # (DW_FORM_data1)
 140         .uleb128 0x3b   # (DW_AT_decl_line)
 141         .uleb128 0xb    # (DW_FORM_data1)
 142         .uleb128 0x27   # (DW_AT_prototyped)
 143         .uleb128 0x19   # (DW_FORM_flag_present)
 144         .uleb128 0x11   # (DW_AT_low_pc)
 145         .uleb128 0x1    # (DW_FORM_addr)
 146         .uleb128 0x12   # (DW_AT_high_pc)
 147         .uleb128 0x1    # (DW_FORM_addr)
 148         .uleb128 0x40   # (DW_AT_frame_base)
 149         .uleb128 0x18   # (DW_FORM_exprloc)
 150         .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
 151         .uleb128 0x19   # (DW_FORM_flag_present)
 152         .byte   0
 153         .byte   0
 154         .uleb128 0x3    # (abbrev code)
 155         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 156         .byte   0       # DW_children_no
 157         .uleb128 0x3f   # (DW_AT_external)
 158         .uleb128 0x19   # (DW_FORM_flag_present)
 159         .uleb128 0x3    # (DW_AT_name)
 160         .uleb128 0xe    # (DW_FORM_strp)
 161         .uleb128 0x3a   # (DW_AT_decl_file)
 162         .uleb128 0xb    # (DW_FORM_data1)
 163         .uleb128 0x3b   # (DW_AT_decl_line)
 164         .uleb128 0xb    # (DW_FORM_data1)
 165         .uleb128 0x27   # (DW_AT_prototyped)
 166         .uleb128 0x19   # (DW_FORM_flag_present)
 167         .uleb128 0x49   # (DW_AT_type)
 168         .uleb128 0x13   # (DW_FORM_ref4)
 169         .uleb128 0x11   # (DW_AT_low_pc)
 170         .uleb128 0x1    # (DW_FORM_addr)
 171         .uleb128 0x12   # (DW_AT_high_pc)
 172         .uleb128 0x1    # (DW_FORM_addr)
 173         .uleb128 0x40   # (DW_AT_frame_base)
 174         .uleb128 0x18   # (DW_FORM_exprloc)
 175         .uleb128 0x2116 # (DW_AT_GNU_all_tail_call_sites)
 176         .uleb128 0x19   # (DW_FORM_flag_present)
 177         .byte   0
 178         .byte   0
 179         .uleb128 0x4    # (abbrev code)
 180         .uleb128 0x24   # (TAG: DW_TAG_base_type)
 181         .byte   0       # DW_children_no
 182         .uleb128 0xb    # (DW_AT_byte_size)
 183         .uleb128 0xb    # (DW_FORM_data1)
 184         .uleb128 0x3e   # (DW_AT_encoding)
 185         .uleb128 0xb    # (DW_FORM_data1)
 186         .uleb128 0x3    # (DW_AT_name)
 187         .uleb128 0x8    # (DW_FORM_string)
 188         .byte   0
 189         .byte   0
 190         .byte   0
 191         .section        .debug_aranges,"",@progbits
 192         .long   0x2c    # Length of Address Ranges Info
 193         .value  0x2     # DWARF Version
 194         .long   .Ldebug_info0   # Offset of Compilation Unit Info
 195         .byte   0x8     # Size of Address
 196         .byte   0       # Size of Segment Descriptor
 197         .value  0       # Pad to 16 byte boundary
 198         .value  0
 199         .quad   .Ltext0 # Address
 200         .quad   .Letext0-.Ltext0        # Length
 201         .quad   0
 202         .quad   0
 203         .section        .debug_line,"",@progbits
 204 .Ldebug_line0:
 205         .section        .debug_str,"MS",@progbits,1
 206 .LASF3:
 207         .string "callee"
 208 .LASF1:
 209         .string "dw2-bad-cfi.c"
 210 .LASF2:
 211         .string "/home/tromey/gnu/gdb/devel/binutils-gdb/gdb/testsuite/gdb.dwarf2"
 212 .LASF4:
 213         .string "main"
 214 .LASF0:
 215         .string "GNU C 4.7.2 20121109 (Red Hat 4.7.2-8) -mtune=generic -march=x86-64 -g"
 216         .ident  "GCC: (GNU) 4.7.2 20121109 (Red Hat 4.7.2-8)"
 217         .section        .note.GNU-stack,"",@progbits