gdb/testsuite/gdb.arch/amd64-entry-value-paramref.S

   1 /* This testcase is part of GDB, the GNU debugger.
   2
   3    Copyright 2014-2023 Free Software Foundation, Inc.
   4
   5    This program is free software; you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  17
  18 /* This file is compiled from gdb.arch/amd64-entry-value-paramref.cc
  19    using -g -dA -S -O2.
  20    Additionally it has been patched.  */
  21
  22         .file   "amd64-entry-value-paramref.cc"
  23         .text
  24 .Ltext0:
  25         .p2align 4,,15
  26         .type   _ZL3barRi.constprop.0, @function
  27 _ZL3barRi.constprop.0:
  28 .LFB2:
  29         .file 1 "gdb.arch/amd64-entry-value-paramref.cc"
  30         # gdb.arch/amd64-entry-value-paramref.cc:21
  31         .loc 1 21 0
  32         .cfi_startproc
  33 .LVL0:
  34 # BLOCK 2 freq:10000 seq:0
  35 # PRED: ENTRY [100.0%]  (FALLTHRU)
  36         # gdb.arch/amd64-entry-value-paramref.cc:23
  37         .loc 1 23 0
  38         movl    vv(%rip), %eax
  39         # gdb.arch/amd64-entry-value-paramref.cc:24
  40         .loc 1 24 0
  41         movq    %rdi, p(%rip)
  42         # gdb.arch/amd64-entry-value-paramref.cc:23
  43         .loc 1 23 0
  44         addl    $1, %eax
  45         movl    %eax, vv(%rip)
  46         # gdb.arch/amd64-entry-value-paramref.cc:25
  47         .loc 1 25 0
  48         movl    (%rdi), %eax
  49 # SUCC: EXIT [100.0%]
  50         # gdb.arch/amd64-entry-value-paramref.cc:26
  51         .loc 1 26 0
  52         ret
  53         .cfi_endproc
  54 .LFE2:
  55         .size   _ZL3barRi.constprop.0, .-_ZL3barRi.constprop.0
  56         .section        .text.startup,"ax",@progbits
  57         .p2align 4,,15
  58         .globl  main
  59         .type   main, @function
  60 main:
  61 .LFB1:
  62         # gdb.arch/amd64-entry-value-paramref.cc:30
  63         .loc 1 30 0
  64         .cfi_startproc
  65 # BLOCK 2 freq:10000 seq:0
  66 # PRED: ENTRY [100.0%]  (FALLTHRU)
  67         subq    $16, %rsp
  68         .cfi_def_cfa_offset 24
  69 .LBB2:
  70         # gdb.arch/amd64-entry-value-paramref.cc:32
  71         .loc 1 32 0
  72         leaq    12(%rsp), %rdi
  73         # gdb.arch/amd64-entry-value-paramref.cc:31
  74         .loc 1 31 0
  75         movl    $10, 12(%rsp)
  76         # gdb.arch/amd64-entry-value-paramref.cc:32
  77         .loc 1 32 0
  78         call    _ZL3barRi.constprop.0
  79 .LVL1:
  80 .LBE2:
  81         # gdb.arch/amd64-entry-value-paramref.cc:33
  82         .loc 1 33 0
  83         addq    $16, %rsp
  84         .cfi_def_cfa_offset 8
  85 # SUCC: EXIT [100.0%]
  86         ret
  87         .cfi_endproc
  88 .LFE1:
  89         .size   main, .-main
  90         .globl  p
  91         .bss
  92         .align 8
  93         .type   p, @object
  94         .size   p, 8
  95 p:
  96         .zero   8
  97         .globl  vv
  98         .align 4
  99         .type   vv, @object
 100         .size   vv, 4
 101 vv:
 102         .zero   4
 103         .text
 104 .Letext0:
 105         .section        .debug_info,"",@progbits
 106 .Ldebug_info0:
 107         .long   .Linfo_end - .Linfo_start       # Length of Compilation Unit Info
 108 .Linfo_start:
 109         .value  0x4     # DWARF version number
 110         .long   .Ldebug_abbrev0 # Offset Into Abbrev. Section
 111         .byte   0x8     # Pointer Size (in bytes)
 112         .uleb128 0x1    # (DIE (0xb) DW_TAG_compile_unit)
 113         .long   .LASF0  # DW_AT_producer: "GNU C++ 4.8.2 20131212 (Red Hat 4.8.2-7) -mtune=generic -march=x86-64 -g -O2"
 114         .byte   0x4     # DW_AT_language
 115         .long   .LASF1  # DW_AT_name: "gdb.arch/amd64-entry-value-paramref.cc"
 116         .long   .LASF2  # DW_AT_comp_dir: ""
 117         .long   .Ldebug_ranges0+0       # DW_AT_ranges
 118         .quad   0       # DW_AT_low_pc
 119         .long   .Ldebug_line0   # DW_AT_stmt_list
 120 DIE29:  .uleb128 0x2    # (DIE (0x29) DW_TAG_subprogram)
 121         .ascii "bar\0"  # DW_AT_name
 122         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-entry-value-paramref.cc)
 123         .byte   0x15    # DW_AT_decl_line
 124         .long   DIE45 - .Ldebug_info0   # DW_AT_type
 125         .byte   0x1     # DW_AT_inline
 126 DIE39:  .uleb128 0x3    # (DIE (0x39) DW_TAG_formal_parameter)
 127         .ascii "ref\0"  # DW_AT_name
 128         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-entry-value-paramref.cc)
 129         .byte   0x15    # DW_AT_decl_line
 130         .long   DIE4c - .Ldebug_info0   # DW_AT_type
 131         .byte   0       # end of children of DIE 0x29
 132 DIE45:  .uleb128 0x4    # (DIE (0x45) DW_TAG_base_type)
 133         .byte   0x4     # DW_AT_byte_size
 134         .byte   0x5     # DW_AT_encoding
 135         .ascii "int\0"  # DW_AT_name
 136 DIE4c:  .uleb128 0x5    # (DIE (0x4c) DW_TAG_const_type)
 137         .long   DIE51 - .Ldebug_info0   # DW_AT_type
 138 DIE51:  .uleb128 0x6    # (DIE (0x51) DW_TAG_reference_type)
 139         .byte   0x8     # DW_AT_byte_size
 140         .long   DIE45 - .Ldebug_info0   # DW_AT_type
 141 DIE57:  .uleb128 0x7    # (DIE (0x57) DW_TAG_subprogram)
 142         .long   DIE29 - .Ldebug_info0   # DW_AT_abstract_origin
 143         .quad   .LFB2   # DW_AT_low_pc
 144         .quad   .LFE2-.LFB2     # DW_AT_high_pc
 145         .uleb128 0x1    # DW_AT_frame_base
 146         .byte   0x9c    # DW_OP_call_frame_cfa
 147                         # DW_AT_GNU_all_call_sites
 148 DIE72:  .uleb128 0x8    # (DIE (0x72) DW_TAG_formal_parameter)
 149         .long   DIE39 - .Ldebug_info0   # DW_AT_abstract_origin
 150         .uleb128 0x1    # DW_AT_location
 151         .byte   0x55    # DW_OP_reg5
 152         .byte   0       # end of children of DIE 0x57
 153 DIE7a:  .uleb128 0x9    # (DIE (0x7a) DW_TAG_subprogram)
 154                         # DW_AT_external
 155         .long   .LASF3  # DW_AT_name: "main"
 156         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-entry-value-paramref.cc)
 157         .byte   0x1d    # DW_AT_decl_line
 158         .long   DIE45 - .Ldebug_info0   # DW_AT_type
 159         .quad   .LFB1   # DW_AT_low_pc
 160         .quad   .LFE1-.LFB1     # DW_AT_high_pc
 161         .uleb128 0x1    # DW_AT_frame_base
 162         .byte   0x9c    # DW_OP_call_frame_cfa
 163                         # DW_AT_GNU_all_call_sites
 164 DIE9b:  .uleb128 0xa    # (DIE (0x9b) DW_TAG_lexical_block)
 165         .quad   .LBB2   # DW_AT_low_pc
 166         .quad   .LBE2-.LBB2     # DW_AT_high_pc
 167 DIEac:  .uleb128 0xb    # (DIE (0xac) DW_TAG_variable)
 168         .ascii "var\0"  # DW_AT_name
 169         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-entry-value-paramref.cc)
 170         .byte   0x1f    # DW_AT_decl_line
 171         .long   DIE45 - .Ldebug_info0   # DW_AT_type
 172         .uleb128 0x2    # DW_AT_location
 173         .byte   0x91    # DW_OP_fbreg
 174         .sleb128 -12
 175 DIEba:  .uleb128 0xc    # (DIE (0xba) DW_TAG_GNU_call_site)
 176         .quad   .LVL1   # DW_AT_low_pc
 177         .long   DIE57 - .Ldebug_info0   # DW_AT_abstract_origin
 178 DIEc7:  .uleb128 0xd    # (DIE (0xc7) DW_TAG_GNU_call_site_parameter)
 179         .uleb128 0x1    # DW_AT_location
 180         .byte   0x55    # DW_OP_reg5
 181         .uleb128 0x2    # DW_AT_GNU_call_site_value
 182         .byte   0x91    # DW_OP_fbreg
 183         .sleb128 -12
 184 #if 0
 185         .uleb128 0x1    # DW_AT_GNU_call_site_data_value
 186         .byte   0x3a    # DW_OP_lit10
 187 #else
 188         .uleb128 1f - 2f        # DW_AT_GNU_call_site_data_value
 189 2:
 190         .byte   0xf3    # DW_OP_GNU_entry_value
 191         .uleb128 1f - 3f
 192 3:
 193         .byte   0x55    # DW_OP_reg5
 194 1:
 195 #endif
 196         .byte   0       # end of children of DIE 0xba
 197         .byte   0       # end of children of DIE 0x9b
 198         .byte   0       # end of children of DIE 0x7a
 199 DIEd2:  .uleb128 0xe    # (DIE (0xd2) DW_TAG_variable)
 200         .ascii "vv\0"   # DW_AT_name
 201         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-entry-value-paramref.cc)
 202         .byte   0x12    # DW_AT_decl_line
 203         .long   DIEe6 - .Ldebug_info0   # DW_AT_type
 204                         # DW_AT_external
 205         .uleb128 0x9    # DW_AT_location
 206         .byte   0x3     # DW_OP_addr
 207         .quad   vv
 208 DIEe6:  .uleb128 0xf    # (DIE (0xe6) DW_TAG_volatile_type)
 209         .long   DIE45 - .Ldebug_info0   # DW_AT_type
 210 DIEeb:  .uleb128 0xe    # (DIE (0xeb) DW_TAG_variable)
 211         .ascii "p\0"    # DW_AT_name
 212         .byte   0x1     # DW_AT_decl_file (gdb.arch/amd64-entry-value-paramref.cc)
 213         .byte   0x12    # DW_AT_decl_line
 214         .long   DIEfe - .Ldebug_info0   # DW_AT_type
 215                         # DW_AT_external
 216         .uleb128 0x9    # DW_AT_location
 217         .byte   0x3     # DW_OP_addr
 218         .quad   p
 219 DIEfe:  .uleb128 0x10   # (DIE (0xfe) DW_TAG_pointer_type)
 220         .byte   0x8     # DW_AT_byte_size
 221         .long   DIEe6 - .Ldebug_info0   # DW_AT_type
 222         .byte   0       # end of children of DIE 0xb
 223 .Linfo_end:
 224         .section        .debug_abbrev,"",@progbits
 225 .Ldebug_abbrev0:
 226         .uleb128 0x1    # (abbrev code)
 227         .uleb128 0x11   # (TAG: DW_TAG_compile_unit)
 228         .byte   0x1     # DW_children_yes
 229         .uleb128 0x25   # (DW_AT_producer)
 230         .uleb128 0xe    # (DW_FORM_strp)
 231         .uleb128 0x13   # (DW_AT_language)
 232         .uleb128 0xb    # (DW_FORM_data1)
 233         .uleb128 0x3    # (DW_AT_name)
 234         .uleb128 0xe    # (DW_FORM_strp)
 235         .uleb128 0x1b   # (DW_AT_comp_dir)
 236         .uleb128 0xe    # (DW_FORM_strp)
 237         .uleb128 0x55   # (DW_AT_ranges)
 238         .uleb128 0x17   # (DW_FORM_sec_offset)
 239         .uleb128 0x11   # (DW_AT_low_pc)
 240         .uleb128 0x1    # (DW_FORM_addr)
 241         .uleb128 0x10   # (DW_AT_stmt_list)
 242         .uleb128 0x17   # (DW_FORM_sec_offset)
 243         .byte   0
 244         .byte   0
 245         .uleb128 0x2    # (abbrev code)
 246         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 247         .byte   0x1     # DW_children_yes
 248         .uleb128 0x3    # (DW_AT_name)
 249         .uleb128 0x8    # (DW_FORM_string)
 250         .uleb128 0x3a   # (DW_AT_decl_file)
 251         .uleb128 0xb    # (DW_FORM_data1)
 252         .uleb128 0x3b   # (DW_AT_decl_line)
 253         .uleb128 0xb    # (DW_FORM_data1)
 254         .uleb128 0x49   # (DW_AT_type)
 255         .uleb128 0x13   # (DW_FORM_ref4)
 256         .uleb128 0x20   # (DW_AT_inline)
 257         .uleb128 0xb    # (DW_FORM_data1)
 258         .byte   0
 259         .byte   0
 260         .uleb128 0x3    # (abbrev code)
 261         .uleb128 0x5    # (TAG: DW_TAG_formal_parameter)
 262         .byte   0       # DW_children_no
 263         .uleb128 0x3    # (DW_AT_name)
 264         .uleb128 0x8    # (DW_FORM_string)
 265         .uleb128 0x3a   # (DW_AT_decl_file)
 266         .uleb128 0xb    # (DW_FORM_data1)
 267         .uleb128 0x3b   # (DW_AT_decl_line)
 268         .uleb128 0xb    # (DW_FORM_data1)
 269         .uleb128 0x49   # (DW_AT_type)
 270         .uleb128 0x13   # (DW_FORM_ref4)
 271         .byte   0
 272         .byte   0
 273         .uleb128 0x4    # (abbrev code)
 274         .uleb128 0x24   # (TAG: DW_TAG_base_type)
 275         .byte   0       # DW_children_no
 276         .uleb128 0xb    # (DW_AT_byte_size)
 277         .uleb128 0xb    # (DW_FORM_data1)
 278         .uleb128 0x3e   # (DW_AT_encoding)
 279         .uleb128 0xb    # (DW_FORM_data1)
 280         .uleb128 0x3    # (DW_AT_name)
 281         .uleb128 0x8    # (DW_FORM_string)
 282         .byte   0
 283         .byte   0
 284         .uleb128 0x5    # (abbrev code)
 285         .uleb128 0x26   # (TAG: DW_TAG_const_type)
 286         .byte   0       # DW_children_no
 287         .uleb128 0x49   # (DW_AT_type)
 288         .uleb128 0x13   # (DW_FORM_ref4)
 289         .byte   0
 290         .byte   0
 291         .uleb128 0x6    # (abbrev code)
 292         .uleb128 0x10   # (TAG: DW_TAG_reference_type)
 293         .byte   0       # DW_children_no
 294         .uleb128 0xb    # (DW_AT_byte_size)
 295         .uleb128 0xb    # (DW_FORM_data1)
 296         .uleb128 0x49   # (DW_AT_type)
 297         .uleb128 0x13   # (DW_FORM_ref4)
 298         .byte   0
 299         .byte   0
 300         .uleb128 0x7    # (abbrev code)
 301         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 302         .byte   0x1     # DW_children_yes
 303         .uleb128 0x31   # (DW_AT_abstract_origin)
 304         .uleb128 0x13   # (DW_FORM_ref4)
 305         .uleb128 0x11   # (DW_AT_low_pc)
 306         .uleb128 0x1    # (DW_FORM_addr)
 307         .uleb128 0x12   # (DW_AT_high_pc)
 308         .uleb128 0x7    # (DW_FORM_data8)
 309         .uleb128 0x40   # (DW_AT_frame_base)
 310         .uleb128 0x18   # (DW_FORM_exprloc)
 311         .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
 312         .uleb128 0x19   # (DW_FORM_flag_present)
 313         .byte   0
 314         .byte   0
 315         .uleb128 0x8    # (abbrev code)
 316         .uleb128 0x5    # (TAG: DW_TAG_formal_parameter)
 317         .byte   0       # DW_children_no
 318         .uleb128 0x31   # (DW_AT_abstract_origin)
 319         .uleb128 0x13   # (DW_FORM_ref4)
 320         .uleb128 0x2    # (DW_AT_location)
 321         .uleb128 0x18   # (DW_FORM_exprloc)
 322         .byte   0
 323         .byte   0
 324         .uleb128 0x9    # (abbrev code)
 325         .uleb128 0x2e   # (TAG: DW_TAG_subprogram)
 326         .byte   0x1     # DW_children_yes
 327         .uleb128 0x3f   # (DW_AT_external)
 328         .uleb128 0x19   # (DW_FORM_flag_present)
 329         .uleb128 0x3    # (DW_AT_name)
 330         .uleb128 0xe    # (DW_FORM_strp)
 331         .uleb128 0x3a   # (DW_AT_decl_file)
 332         .uleb128 0xb    # (DW_FORM_data1)
 333         .uleb128 0x3b   # (DW_AT_decl_line)
 334         .uleb128 0xb    # (DW_FORM_data1)
 335         .uleb128 0x49   # (DW_AT_type)
 336         .uleb128 0x13   # (DW_FORM_ref4)
 337         .uleb128 0x11   # (DW_AT_low_pc)
 338         .uleb128 0x1    # (DW_FORM_addr)
 339         .uleb128 0x12   # (DW_AT_high_pc)
 340         .uleb128 0x7    # (DW_FORM_data8)
 341         .uleb128 0x40   # (DW_AT_frame_base)
 342         .uleb128 0x18   # (DW_FORM_exprloc)
 343         .uleb128 0x2117 # (DW_AT_GNU_all_call_sites)
 344         .uleb128 0x19   # (DW_FORM_flag_present)
 345         .byte   0
 346         .byte   0
 347         .uleb128 0xa    # (abbrev code)
 348         .uleb128 0xb    # (TAG: DW_TAG_lexical_block)
 349         .byte   0x1     # DW_children_yes
 350         .uleb128 0x11   # (DW_AT_low_pc)
 351         .uleb128 0x1    # (DW_FORM_addr)
 352         .uleb128 0x12   # (DW_AT_high_pc)
 353         .uleb128 0x7    # (DW_FORM_data8)
 354         .byte   0
 355         .byte   0
 356         .uleb128 0xb    # (abbrev code)
 357         .uleb128 0x34   # (TAG: DW_TAG_variable)
 358         .byte   0       # DW_children_no
 359         .uleb128 0x3    # (DW_AT_name)
 360         .uleb128 0x8    # (DW_FORM_string)
 361         .uleb128 0x3a   # (DW_AT_decl_file)
 362         .uleb128 0xb    # (DW_FORM_data1)
 363         .uleb128 0x3b   # (DW_AT_decl_line)
 364         .uleb128 0xb    # (DW_FORM_data1)
 365         .uleb128 0x49   # (DW_AT_type)
 366         .uleb128 0x13   # (DW_FORM_ref4)
 367         .uleb128 0x2    # (DW_AT_location)
 368         .uleb128 0x18   # (DW_FORM_exprloc)
 369         .byte   0
 370         .byte   0
 371         .uleb128 0xc    # (abbrev code)
 372         .uleb128 0x4109 # (TAG: DW_TAG_GNU_call_site)
 373         .byte   0x1     # DW_children_yes
 374         .uleb128 0x11   # (DW_AT_low_pc)
 375         .uleb128 0x1    # (DW_FORM_addr)
 376         .uleb128 0x31   # (DW_AT_abstract_origin)
 377         .uleb128 0x13   # (DW_FORM_ref4)
 378         .byte   0
 379         .byte   0
 380         .uleb128 0xd    # (abbrev code)
 381         .uleb128 0x410a # (TAG: DW_TAG_GNU_call_site_parameter)
 382         .byte   0       # DW_children_no
 383         .uleb128 0x2    # (DW_AT_location)
 384         .uleb128 0x18   # (DW_FORM_exprloc)
 385         .uleb128 0x2111 # (DW_AT_GNU_call_site_value)
 386         .uleb128 0x18   # (DW_FORM_exprloc)
 387         .uleb128 0x2112 # (DW_AT_GNU_call_site_data_value)
 388         .uleb128 0x18   # (DW_FORM_exprloc)
 389         .byte   0
 390         .byte   0
 391         .uleb128 0xe    # (abbrev code)
 392         .uleb128 0x34   # (TAG: DW_TAG_variable)
 393         .byte   0       # DW_children_no
 394         .uleb128 0x3    # (DW_AT_name)
 395         .uleb128 0x8    # (DW_FORM_string)
 396         .uleb128 0x3a   # (DW_AT_decl_file)
 397         .uleb128 0xb    # (DW_FORM_data1)
 398         .uleb128 0x3b   # (DW_AT_decl_line)
 399         .uleb128 0xb    # (DW_FORM_data1)
 400         .uleb128 0x49   # (DW_AT_type)
 401         .uleb128 0x13   # (DW_FORM_ref4)
 402         .uleb128 0x3f   # (DW_AT_external)
 403         .uleb128 0x19   # (DW_FORM_flag_present)
 404         .uleb128 0x2    # (DW_AT_location)
 405         .uleb128 0x18   # (DW_FORM_exprloc)
 406         .byte   0
 407         .byte   0
 408         .uleb128 0xf    # (abbrev code)
 409         .uleb128 0x35   # (TAG: DW_TAG_volatile_type)
 410         .byte   0       # DW_children_no
 411         .uleb128 0x49   # (DW_AT_type)
 412         .uleb128 0x13   # (DW_FORM_ref4)
 413         .byte   0
 414         .byte   0
 415         .uleb128 0x10   # (abbrev code)
 416         .uleb128 0xf    # (TAG: DW_TAG_pointer_type)
 417         .byte   0       # DW_children_no
 418         .uleb128 0xb    # (DW_AT_byte_size)
 419         .uleb128 0xb    # (DW_FORM_data1)
 420         .uleb128 0x49   # (DW_AT_type)
 421         .uleb128 0x13   # (DW_FORM_ref4)
 422         .byte   0
 423         .byte   0
 424         .byte   0
 425         .section        .debug_aranges,"",@progbits
 426         .long   0x3c    # Length of Address Ranges Info
 427         .value  0x2     # DWARF Version
 428         .long   .Ldebug_info0   # Offset of Compilation Unit Info
 429         .byte   0x8     # Size of Address
 430         .byte   0       # Size of Segment Descriptor
 431         .value  0       # Pad to 16 byte boundary
 432         .value  0
 433         .quad   .Ltext0 # Address
 434         .quad   .Letext0-.Ltext0        # Length
 435         .quad   .LFB1   # Address
 436         .quad   .LFE1-.LFB1     # Length
 437         .quad   0
 438         .quad   0
 439         .section        .debug_ranges,"",@progbits
 440 .Ldebug_ranges0:
 441         .quad   .Ltext0 # Offset 0
 442         .quad   .Letext0
 443         .quad   .LFB1   # Offset 0x10
 444         .quad   .LFE1
 445         .quad   0
 446         .quad   0
 447         .section        .debug_line,"",@progbits
 448 .Ldebug_line0:
 449         .section        .debug_str,"MS",@progbits,1
 450 .LASF1:
 451         .string "gdb.arch/amd64-entry-value-paramref.cc"
 452 .LASF2:
 453         .string ""
 454 .LASF0:
 455         .string "GNU C++ 4.8.2 20131212 (Red Hat 4.8.2-7) -mtune=generic -march=x86-64 -g -O2"
 456 .LASF3:
 457         .string "main"
 458         .ident  "GCC: (GNU) 4.8.2 20131212 (Red Hat 4.8.2-7)"
 459         .section        .note.GNU-stack,"",@progbits