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jlechner |
# Copyright 2007, 2008 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see . */
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# Test loading symbols from unrelocated C++ object files.
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set testfile cp-relocate
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set srcfile ${testfile}.cc
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set binfile ${objdir}/${subdir}/${testfile}.o
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if { [skip_cplus_tests] } { continue }
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" object {c++ debug}] != "" } {
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untested cp-relocate.exp
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return -1
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}
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proc get_func_address { func } {
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global gdb_prompt hex
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set rfunc [string_to_regexp $func]
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gdb_test_multiple "print '${func}'" "get address of ${func}" {
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-re "\\\$\[0-9\]+ = \\{.*\\} (0|($hex) <${rfunc}>)\[\r\n\]+${gdb_prompt} $" {
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# $1 = {int ()} 0x24
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# But if the function is at zero, the name may be omitted.
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pass "get address of ${func}"
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if { $expect_out(1,string) == "0" } {
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return "0x0"
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} else {
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return $expect_out(2,string)
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}
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}
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}
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return ""
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}
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# Load the file as an executable; GDB should assign non-overlapping
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# section offsets.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_file_cmd ${binfile}
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# Find the interesting functions. We go to a little effort to find
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# the right function names here, to work around PR c++/40.
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set func1_name ""
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set func2_name ""
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gdb_test_multiple "info functions func<.>" "info functions" {
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-re "\r\nint (\[^\r\]*func<1>\[^\r]*);" {
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set func1_name $expect_out(1,string)
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exp_continue
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}
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-re "\r\nint (\[^\r\]*func<2>\[^\r]*);" {
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set func2_name $expect_out(1,string)
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exp_continue
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}
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-re "$gdb_prompt $" {
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if { ${func1_name} != "" && ${func2_name} != "" } {
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pass "info functions"
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} else {
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fail "info functions"
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return -1
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}
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}
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}
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# Check that all the functions have different addresses.
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set func1_addr [get_func_address "$func1_name"]
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set func2_addr [get_func_address "$func2_name"]
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set caller_addr [get_func_address "caller"]
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if { "${func1_addr}" == "${func2_addr}"
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|| "${func1_addr}" == "${func2_addr}"
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|| "${func2_addr}" == "${caller_addr}" } {
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fail "C++ functions have different addresses"
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} else {
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pass "C++ functions have different addresses"
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}
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# Figure out the names of the sections containing the template
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# functions.
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set func1_sec ""
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set func2_sec ""
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gdb_test_multiple "info file" "info file" {
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-re "($hex) - ($hex) is (\[^\r\]*)\r" {
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if { $expect_out(1,string) <= $func1_addr
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&& $expect_out(2,string) > $func1_addr } {
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set func1_sec $expect_out(3,string)
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} elseif { $expect_out(1,string) <= $func2_addr
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&& $expect_out(2,string) > $func2_addr } {
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set func2_sec $expect_out(3,string)
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}
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exp_continue
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}
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-re "$gdb_prompt $" {
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if { ${func1_sec} != "" && ${func2_sec} != "" } {
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pass "info file"
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} else {
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fail "info file"
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return -1
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}
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}
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}
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if { $func1_sec == $func2_sec } {
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untested "cp-relocate.exp - template functions in same sections"
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return -1
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}
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# Now start a clean GDB, for add-symbol-file tests.
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gdb_exit
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_test "add-symbol-file ${binfile} 0 -s ${func1_sec} 0x10000 -s ${func2_sec} 0x20000" \
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"Reading symbols from .*${testfile}\\.o\\.\\.\\.done\\.(|\r\nUsing host libthread_db library .*libthread_db.so.*\\.)" \
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"add-symbol-file ${testfile}.o" \
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"add symbol table from file \".*${testfile}\\.o\" at.*\\(y or n\\) " \
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"y"
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# Make sure the function addresses were updated.
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gdb_test "break *'$func1_name'" \
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"Breakpoint $decimal at 0x1....: file .*"
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gdb_test "break *'$func2_name'" \
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"Breakpoint $decimal at 0x2....: file .*"
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