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

   1 # Copyright 2009-2023 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]} {
  22     verbose "Skipping x86 displaced stepping tests."
  23     return
  24 }
  25
  26 standard_testfile .S
  27
  28 if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } {
  29     return -1
  30 }
  31
  32 gdb_test "set displaced-stepping on" ""
  33 gdb_test "show displaced-stepping" ".* displaced stepping .* is on.*"
  34
  35 if {![runto_main]} {
  36     return 0
  37 }
  38
  39 ##########################################
  40
  41 # Test call/ret.
  42
  43 gdb_test "break test_call" \
  44     "Breakpoint.*at.* file .*$srcfile, line.*" \
  45     "break test_call"
  46 gdb_test "break test_call_end" \
  47     "Breakpoint.*at.* file .*$srcfile, line.*" \
  48     "break test_call_end"
  49
  50 gdb_test "break test_ret" \
  51     "Breakpoint.*at.* file .*$srcfile, line.*" \
  52     "break test_ret"
  53 gdb_test "break test_ret_end" \
  54     "Breakpoint.*at.* file .*$srcfile, line.*" \
  55     "break test_ret_end"
  56
  57 gdb_test "continue" \
  58     "Continuing.*Breakpoint.*, test_call ().*" \
  59     "continue to test_call"
  60 gdb_test "continue" \
  61     "Continuing.*Breakpoint.*, test_call_end ().*" \
  62     "continue to test_call_end"
  63
  64 gdb_test "continue" \
  65     "Continuing.*Breakpoint.*, test_ret ().*" \
  66     "continue to test_ret"
  67 gdb_test "continue" \
  68     "Continuing.*Breakpoint.*, test_ret_end ().*" \
  69     "continue to test_ret_end"
  70
  71 ##########################################
  72
  73 # Absolute jump with leading prefixes.
  74 # These don't occur in normal code, but gdb should still DTRT.
  75
  76 gdb_test "break test_prefixed_abs_jump" \
  77     "Breakpoint.*at.* file .*$srcfile, line.*" \
  78     "break test_prefixed_abs_jump"
  79 gdb_test "break test_prefixed_abs_jump_end" \
  80     "Breakpoint.*at.* file .*$srcfile, line.*" \
  81     "break test_prefixed_abs_jump_end"
  82
  83 gdb_test "continue" \
  84     "Continuing.*Breakpoint.*, test_prefixed_abs_jump ().*" \
  85     "continue to test_prefixed_abs_jump"
  86 gdb_test "continue" \
  87     "Continuing.*Breakpoint.*, test_prefixed_abs_jump_end ().*" \
  88     "continue to test_prefixed_abs_jump_end"
  89
  90 ##########################################
  91
  92 # Test syscall.
  93
  94 gdb_test "break test_syscall" \
  95     "Breakpoint.*at.* file .*$srcfile, line.*" \
  96     "break test_syscall"
  97 gdb_test "break test_syscall_end" \
  98     "Breakpoint.*at.* file .*$srcfile, line.*" \
  99     "break test_syscall_end"
 100
 101 gdb_test "continue" \
 102     "Continuing.*Breakpoint.*, test_syscall ().*" \
 103     "continue to test_syscall"
 104 gdb_test "continue" \
 105     "Continuing.*Breakpoint.*, test_syscall_end ().*" \
 106     "continue to test_syscall_end"
 107
 108 ##########################################
 109
 110 # Test prefixed syscall.
 111 # These don't occur in normal code, but gdb should still DTRT.
 112
 113 gdb_test "break test_prefixed_syscall" \
 114     "Breakpoint.*at.* file .*$srcfile, line.*" \
 115     "break test_prefixed_syscall"
 116 gdb_test "break test_prefixed_syscall_end" \
 117     "Breakpoint.*at.* file .*$srcfile, line.*" \
 118     "break test_prefixed_syscall_end"
 119
 120 gdb_test "continue" \
 121     "Continuing.*Breakpoint.*, test_prefixed_syscall ().*" \
 122     "continue to test_prefixed_syscall"
 123 gdb_test "continue" \
 124     "Continuing.*Breakpoint.*, test_prefixed_syscall_end ().*" \
 125     "continue to test_prefixed_syscall_end"
 126
 127 ##########################################
 128
 129 # int3 (with prefixes)
 130 # These don't occur in normal code, but gdb should still DTRT.
 131
 132 gdb_test "break test_int3" \
 133     "Breakpoint.*at.* file .*$srcfile, line.*" \
 134     "break test_int3"
 135 gdb_test "break test_int3_end" \
 136     "Breakpoint.*at.* file .*$srcfile, line.*" \
 137     "break test_int3_end"
 138
 139 gdb_test "continue" \
 140     "Continuing.*Breakpoint.*, test_int3 ().*" \
 141     "continue to test_int3"
 142
 143 gdb_test "continue" \
 144     "Continuing.*Breakpoint.*, test_int3_end ().*" \
 145     "continue to test_int3_end"
 146
 147 ##########################################
 148
 149 # Done, run program to exit.
 150
 151 gdb_continue_to_end "i386-disp-step"