watchpoint-solib.exp

gdb-6.8 Linux下的调试程序 最新版本

#   Copyright 2007 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/>.

if $tracelevel then {
    strace $tracelevel
}

#
# test running programs
#
set prms_id 0
set bug_id 0

if {[skip_shlib_tests]} {
    return 0
}

# TODO: Use LoadLibrary on this target instead of dlopen.
if {[istarget arm*-*-symbianelf*]} {
    return 0
}

set testfile "watchpoint-solib"
set libfile "watchpoint-solib-shr"
set libname "${libfile}.sl"
set libsrcfile ${libfile}.c
set srcfile $srcdir/$subdir/$testfile.c
set binfile $objdir/$subdir/$testfile
set shlibdir ${objdir}/${subdir}
set libsrc  $srcdir/$subdir/$libfile.c
set lib_sl  $objdir/$subdir/$libname

if [get_compiler_info ${binfile}] {
    return -1
}

set lib_opts debug
set exec_opts [list debug shlib_load additional_flags=-DSHLIB_NAME\=\"${libname}\"]

if { [gdb_compile_shlib $libsrc $lib_sl $lib_opts] != ""
     || [gdb_compile $srcfile $binfile executable $exec_opts] != ""} {
    untested "Couldn't compile $libsrc or $srcfile."
    return -1
}

# Start with a fresh gdb.

gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_load ${binfile}
gdb_load_shlibs $lib_sl

if [target_info exists gdb_stub] {
    gdb_step_for_stub;
}

runto_main

# Test that if we set a watchpoint on a global variable
# in a explicitly loaded shared library, and then
# re-run the application, gdb does not crash.
gdb_test_multiple "break foo" "set pending breakpoint" {
     -re ".*Make breakpoint pending.*y or \\\[n\\\]. $" {
	    gdb_test "y" "Breakpoint.*foo.*pending." "set pending breakpoint"
     }
}

gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo"
gdb_test "watch g" "Hardware watchpoint 3: g" "set watchpoint on g"
gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit"
rerun_to_main
gdb_test "continue" ".*Breakpoint 2.*foo.*" "continue to foo again"
gdb_test "continue" ".*New value = 1.*" "continue to watchpoint hit again"