# Copyright 2007, 2008 Free Software Foundation, Inc.
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# Copyright 2007, 2008 Free Software Foundation, Inc.
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#
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#
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# This program is free software; you can redistribute it and/or modify
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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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# 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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# 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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# (at your option) any later version.
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#
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#
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# This program is distributed in the hope that it will be useful,
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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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# 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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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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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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# along with this program. If not, see .
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# Author: P. N. Hilfinger, AdaCore, Inc.
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# Author: P. N. Hilfinger, AdaCore, Inc.
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# This test checks the behavior of formatted print when applied to a
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# This test checks the behavior of formatted print when applied to a
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# reference value. The intended behavior is that a formatted print of
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# reference value. The intended behavior is that a formatted print of
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# such a value should display the same value as a plain print,
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# such a value should display the same value as a plain print,
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# modulo format, of course. Older versions of GDB would instead print
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# modulo format, of course. Older versions of GDB would instead print
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# the reference's address value itself when doing a formatted print,
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# the reference's address value itself when doing a formatted print,
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# rather than printing both that and the dereferenced value. We also
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# rather than printing both that and the dereferenced value. We also
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# check that the (non-standard) expression &(&x), where x is of type T&,
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# check that the (non-standard) expression &(&x), where x is of type T&,
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# yields an appropriate value.
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# yields an appropriate value.
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if $tracelevel then {
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if $tracelevel then {
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strace $tracelevel
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strace $tracelevel
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}
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}
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set prms_id 0
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set prms_id 0
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set bug_id 0
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set bug_id 0
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if { [skip_cplus_tests] } { continue }
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if { [skip_cplus_tests] } { continue }
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set testfile "formatted-ref"
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set testfile "formatted-ref"
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set srcfile ${testfile}.cc
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set srcfile ${testfile}.cc
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set binfile ${objdir}/${subdir}/${testfile}
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set binfile ${objdir}/${subdir}/${testfile}
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {
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untested formatted-ref.exp
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untested formatted-ref.exp
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return -1
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return -1
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}
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}
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proc get_address { var } {
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proc get_address { var } {
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global expect_out
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global expect_out
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global gdb_prompt
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global gdb_prompt
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send_gdb "print &$var\n"
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send_gdb "print &$var\n"
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gdb_expect {
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gdb_expect {
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-re "\\$\[0-9\]+ = \\(.*\\) (0x\[0-9a-f\]+).*$gdb_prompt $" {
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-re "\\$\[0-9\]+ = \\(.*\\) (0x\[0-9a-f\]+).*$gdb_prompt $" {
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return $expect_out(1,string)
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return $expect_out(1,string)
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}
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}
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timeout {
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timeout {
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perror "couldn't find address of $var"
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perror "couldn't find address of $var"
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return ""
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return ""
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}
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}
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}
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}
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}
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}
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proc test_p_x { var type val addr } {
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proc test_p_x { var type val addr } {
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global gdb_prompt
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global gdb_prompt
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set test "print/x $var"
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set test "print/x $var"
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gdb_test_multiple $test $test {
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gdb_test_multiple $test $test {
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-re "\\$\[0-9\]+ = \\([string_to_regexp $type]\\) @0x\[a-f0-9\]+: [string_to_regexp $val].*$gdb_prompt $" {
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-re "\\$\[0-9\]+ = \\([string_to_regexp $type]\\) @0x\[a-f0-9\]+: [string_to_regexp $val].*$gdb_prompt $" {
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pass $test
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pass $test
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}
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}
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-re "\\$\[0-9\]+ = $addr.*$gdb_prompt $" {
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-re "\\$\[0-9\]+ = $addr.*$gdb_prompt $" {
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fail "$test (prints just address)"
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fail "$test (prints just address)"
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}
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}
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-re "\\$\[0-9\]+ = 0x\[a-f0-9\]+.*$gdb_prompt $" {
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-re "\\$\[0-9\]+ = 0x\[a-f0-9\]+.*$gdb_prompt $" {
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fail "$test (prints unexpected address)"
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fail "$test (prints unexpected address)"
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}
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}
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}
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}
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return 0
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return 0
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}
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}
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proc test_p_x_addr { var addr } {
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proc test_p_x_addr { var addr } {
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global gdb_prompt
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global gdb_prompt
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set test "print/x &$var"
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set test "print/x &$var"
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gdb_test_multiple $test $test {
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gdb_test_multiple $test $test {
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-re "\\$\[0-9\]+ = $addr.*$gdb_prompt $" {
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-re "\\$\[0-9\]+ = $addr.*$gdb_prompt $" {
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pass $test
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pass $test
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}
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}
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-re "\\$\[0-9\]+ = 0x\[a-f0-9+\]+.*$gdb_prompt $" {
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-re "\\$\[0-9\]+ = 0x\[a-f0-9+\]+.*$gdb_prompt $" {
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fail "$test (prints unexpected address)"
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fail "$test (prints unexpected address)"
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}
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}
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}
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}
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return 0
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return 0
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}
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}
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proc test_p_x_ref_addr { var addr } {
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proc test_p_x_ref_addr { var addr } {
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global gdb_prompt
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global gdb_prompt
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set test "print/x *(&(&$var))"
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set test "print/x *(&(&$var))"
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gdb_test_multiple $test $test {
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gdb_test_multiple $test $test {
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-re "\\$\[0-9\]+ = $addr.*$gdb_prompt $" {
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-re "\\$\[0-9\]+ = $addr.*$gdb_prompt $" {
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pass $test
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pass $test
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}
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}
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-re "\\$\[0-9\]+ = 0x\[a-f0-9+\]+.*$gdb_prompt $" {
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-re "\\$\[0-9\]+ = 0x\[a-f0-9+\]+.*$gdb_prompt $" {
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fail "$test (prints unexpected address)"
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fail "$test (prints unexpected address)"
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}
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}
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}
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}
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return 0
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return 0
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}
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}
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gdb_exit
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gdb_exit
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gdb_start
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gdb_start
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_reinitialize_dir $srcdir/$subdir
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gdb_load ${binfile}
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gdb_load ${binfile}
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runto ${srcfile}:[gdb_get_line_number "marker here"]
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runto ${srcfile}:[gdb_get_line_number "marker here"]
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set s1_address [get_address "s1"]
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set s1_address [get_address "s1"]
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set e1_address [get_address "e1"]
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set e1_address [get_address "e1"]
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set i1_address [get_address "i1"]
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set i1_address [get_address "i1"]
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test_p_x "s" "Struct1 &" "{x = 0xd, y = 0x13}" $s1_address
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test_p_x "s" "Struct1 &" "{x = 0xd, y = 0x13}" $s1_address
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test_p_x "e" "Enum1 &" "0xb" $e1_address
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test_p_x "e" "Enum1 &" "0xb" $e1_address
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test_p_x "i" "int &" "0x17" $i1_address
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test_p_x "i" "int &" "0x17" $i1_address
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test_p_x_addr "s" $s1_address
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test_p_x_addr "s" $s1_address
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test_p_x_addr "e" $e1_address
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test_p_x_addr "e" $e1_address
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test_p_x_addr "i" $i1_address
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test_p_x_addr "i" $i1_address
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test_p_x_ref_addr "s" $s1_address
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test_p_x_ref_addr "s" $s1_address
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test_p_x_ref_addr "i" $i1_address
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test_p_x_ref_addr "i" $i1_address
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test_p_x_ref_addr "e" $e1_address
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test_p_x_ref_addr "e" $e1_address
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