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# Copyright 2009-2018 Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This file is part of the gdb testsuite.
# Test i386 displaced stepping.
if { ![is_x86_like_target] } then {
verbose "Skipping x86 displaced stepping tests."
return
}
standard_testfile .S
set additional_flags "-Wa,-g"
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable [list debug $additional_flags]] != "" } {
untested "failed to compile"
return -1
}
# Get things started.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_test "set displaced-stepping on" ""
gdb_test "show displaced-stepping" ".* displaced stepping .* is on.*"
if ![runto_main] then {
fail "can't run to main"
return 0
}
##########################################
# Test call/ret.
gdb_test "break test_call" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_call"
gdb_test "break test_call_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_call_end"
gdb_test "break test_ret" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_ret"
gdb_test "break test_ret_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_ret_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_call ().*" \
"continue to test_call"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_call_end ().*" \
"continue to test_call_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_ret ().*" \
"continue to test_ret"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_ret_end ().*" \
"continue to test_ret_end"
##########################################
# Absolute jump with leading prefixes.
# These don't occur in normal code, but gdb should still DTRT.
gdb_test "break test_prefixed_abs_jump" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_prefixed_abs_jump"
gdb_test "break test_prefixed_abs_jump_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_prefixed_abs_jump_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_prefixed_abs_jump ().*" \
"continue to test_prefixed_abs_jump"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_prefixed_abs_jump_end ().*" \
"continue to test_prefixed_abs_jump_end"
##########################################
# Test syscall.
gdb_test "break test_syscall" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_syscall"
gdb_test "break test_syscall_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_syscall_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_syscall ().*" \
"continue to test_syscall"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_syscall_end ().*" \
"continue to test_syscall_end"
##########################################
# Test prefixed syscall.
# These don't occur in normal code, but gdb should still DTRT.
gdb_test "break test_prefixed_syscall" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_prefixed_syscall"
gdb_test "break test_prefixed_syscall_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_prefixed_syscall_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_prefixed_syscall ().*" \
"continue to test_prefixed_syscall"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_prefixed_syscall_end ().*" \
"continue to test_prefixed_syscall_end"
##########################################
# int3 (with prefixes)
# These don't occur in normal code, but gdb should still DTRT.
gdb_test "break test_int3" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_int3"
gdb_test "break test_int3_end" \
"Breakpoint.*at.* file .*$srcfile, line.*" \
"break test_int3_end"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_int3 ().*" \
"continue to test_int3"
gdb_test "continue" \
"Continuing.*Breakpoint.*, test_int3_end ().*" \
"continue to test_int3_end"
##########################################
# Done, run program to exit.
gdb_continue_to_end "i386-disp-step"
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