gdb/testsuite/gdb.arch/i386-disp-step.exp

   1 # Copyright 2009-2017 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file is part of the gdb testsuite.
  17
  18 # Test i386 displaced stepping.
  19
  20
  21 if { ![is_x86_like_target] } then {
  22     verbose "Skipping x86 displaced stepping tests."
  23     return
  24 }
  25
  26 standard_testfile .S
  27
  28 set additional_flags "-Wa,-g"
  29
  30 if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
  31     untested "failed to compile"
  32     return -1
  33 }
  34
  35 # Get things started.
  36
  37 gdb_exit
  38 gdb_start
  39 gdb_reinitialize_dir $srcdir/$subdir
  40 gdb_load ${binfile}
  41
  42 gdb_test "set displaced-stepping on" ""
  43 gdb_test "show displaced-stepping" ".* displaced stepping .* is on.*"
  44
  45 if ![runto_main] then {
  46     fail "can't run to main"
  47     return 0
  48 }
  49
  50 ##########################################
  51
  52 # Test call/ret.
  53
  54 gdb_test "break test_call" \
  55     "Breakpoint.*at.* file .*$srcfile, line.*" \
  56     "break test_call"
  57 gdb_test "break test_call_end" \
  58     "Breakpoint.*at.* file .*$srcfile, line.*" \
  59     "break test_call_end"
  60
  61 gdb_test "break test_ret" \
  62     "Breakpoint.*at.* file .*$srcfile, line.*" \
  63     "break test_ret"
  64 gdb_test "break test_ret_end" \
  65     "Breakpoint.*at.* file .*$srcfile, line.*" \
  66     "break test_ret_end"
  67
  68 gdb_test "continue" \
  69     "Continuing.*Breakpoint.*, test_call ().*" \
  70     "continue to test_call"
  71 gdb_test "continue" \
  72     "Continuing.*Breakpoint.*, test_call_end ().*" \
  73     "continue to test_call_end"
  74
  75 gdb_test "continue" \
  76     "Continuing.*Breakpoint.*, test_ret ().*" \
  77     "continue to test_ret"
  78 gdb_test "continue" \
  79     "Continuing.*Breakpoint.*, test_ret_end ().*" \
  80     "continue to test_ret_end"
  81
  82 ##########################################
  83
  84 # Absolute jump with leading prefixes.
  85 # These don't occur in normal code, but gdb should still DTRT.
  86
  87 gdb_test "break test_prefixed_abs_jump" \
  88     "Breakpoint.*at.* file .*$srcfile, line.*" \
  89     "break test_prefixed_abs_jump"
  90 gdb_test "break test_prefixed_abs_jump_end" \
  91     "Breakpoint.*at.* file .*$srcfile, line.*" \
  92     "break test_prefixed_abs_jump_end"
  93
  94 gdb_test "continue" \
  95     "Continuing.*Breakpoint.*, test_prefixed_abs_jump ().*" \
  96     "continue to test_prefixed_abs_jump"
  97 gdb_test "continue" \
  98     "Continuing.*Breakpoint.*, test_prefixed_abs_jump_end ().*" \
  99     "continue to test_prefixed_abs_jump_end"
 100
 101 ##########################################
 102
 103 # Test syscall.
 104
 105 gdb_test "break test_syscall" \
 106     "Breakpoint.*at.* file .*$srcfile, line.*" \
 107     "break test_syscall"
 108 gdb_test "break test_syscall_end" \
 109     "Breakpoint.*at.* file .*$srcfile, line.*" \
 110     "break test_syscall_end"
 111
 112 gdb_test "continue" \
 113     "Continuing.*Breakpoint.*, test_syscall ().*" \
 114     "continue to test_syscall"
 115 gdb_test "continue" \
 116     "Continuing.*Breakpoint.*, test_syscall_end ().*" \
 117     "continue to test_syscall_end"
 118
 119 ##########################################
 120
 121 # Test prefixed syscall.
 122 # These don't occur in normal code, but gdb should still DTRT.
 123
 124 gdb_test "break test_prefixed_syscall" \
 125     "Breakpoint.*at.* file .*$srcfile, line.*" \
 126     "break test_prefixed_syscall"
 127 gdb_test "break test_prefixed_syscall_end" \
 128     "Breakpoint.*at.* file .*$srcfile, line.*" \
 129     "break test_prefixed_syscall_end"
 130
 131 gdb_test "continue" \
 132     "Continuing.*Breakpoint.*, test_prefixed_syscall ().*" \
 133     "continue to test_prefixed_syscall"
 134 gdb_test "continue" \
 135     "Continuing.*Breakpoint.*, test_prefixed_syscall_end ().*" \
 136     "continue to test_prefixed_syscall_end"
 137
 138 ##########################################
 139
 140 # int3 (with prefixes)
 141 # These don't occur in normal code, but gdb should still DTRT.
 142
 143 gdb_test "break test_int3" \
 144     "Breakpoint.*at.* file .*$srcfile, line.*" \
 145     "break test_int3"
 146 gdb_test "break test_int3_end" \
 147     "Breakpoint.*at.* file .*$srcfile, line.*" \
 148     "break test_int3_end"
 149
 150 gdb_test "continue" \
 151     "Continuing.*Breakpoint.*, test_int3 ().*" \
 152     "continue to test_int3"
 153
 154 gdb_test "continue" \
 155     "Continuing.*Breakpoint.*, test_int3_end ().*" \
 156     "continue to test_int3_end"
 157
 158 ##########################################
 159
 160 # Done, run program to exit.
 161
 162 gdb_continue_to_end "i386-disp-step"