gdb/testsuite/gdb.arch/amd64-stap-triplet.S

   1 /* Copyright (C) 2013-2016 Free Software Foundation, Inc.
   2
   3    This file is part of GDB.
   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 was generated from the equivalent .c file using the
  19    following command:
  20
  21      #> gcc -S amd64-stap-triplet.c -o amd64-stap-triplet.S
  22
  23    Then, the SystemTap SDT probe definition below was tweaked.  See below
  24    for more details.  */
  25
  26         .file   "amd64-stap-triplet.c"
  27         .text
  28         .globl  main
  29         .type   main, @function
  30 main:
  31 .LFB0:
  32         .cfi_startproc
  33 # BLOCK 2 seq:0
  34 # PRED: ENTRY (fallthru)
  35         pushq   %rbp
  36         .cfi_def_cfa_offset 16
  37         .cfi_offset 6, -16
  38         movq    %rsp, %rbp
  39         .cfi_def_cfa_register 6
  40         movl    %edi, -20(%rbp)
  41         movq    %rsi, -32(%rbp)
  42         movl    $10, -4(%rbp)
  43 #APP
  44 # 8 "amd64-stap-triplet.c" 1
  45         990: nop
  46 .pushsection .note.stapsdt,"?","note"
  47 .balign 4
  48 .4byte 992f-991f,994f-993f,3
  49 991: .asciz "stapsdt"
  50 992: .balign 4
  51 993: .8byte 990b
  52 .8byte _.stapsdt.base
  53 .8byte 0
  54 .asciz "test"
  55 .asciz "triplet"
  56 /* The probe's argument definition below was tweaked in order to mimic a
  57    triplet displacement in x86 asm.  The original probe argument was:
  58
  59      -4@-4(%rbp)
  60
  61    The argument below is equivalent to that.  */
  62 .asciz "-4@-4+16-16(%rbp)"
  63 994: .balign 4
  64 .popsection
  65
  66 # 0 "" 2
  67 # 8 "amd64-stap-triplet.c" 1
  68         .ifndef _.stapsdt.base
  69 .pushsection .stapsdt.base,"aG","progbits",.stapsdt.base,comdat
  70 .weak _.stapsdt.base
  71 .hidden _.stapsdt.base
  72 _.stapsdt.base: .space 1
  73 .size _.stapsdt.base,1
  74 .popsection
  75 .endif
  76
  77 # 0 "" 2
  78 #NO_APP
  79         movl    $0, %eax
  80         popq    %rbp
  81         .cfi_def_cfa 7, 8
  82 # SUCC: EXIT [100.0%]
  83         ret
  84         .cfi_endproc
  85 .LFE0:
  86         .size   main, .-main
  87         .ident  "GCC: (GNU) 4.7.2 20120921 (Red Hat 4.7.2-2)"
  88         .section        .note.GNU-stack,"",@progbits