| # 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 2 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, write to the Free Software |
| # Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| |
| # The shared cache in Leopard means that we have to deal with the |
| # library slides differently between libraries in & out of the shared cache. |
| # This file just tests that we can read the errno variable correctly. |
| # Since libSystem is pretty surely going to be in the shared cache, |
| # this is a good sniff test that we are getting the data sections of |
| # libraries in the shared cache correctly. |
| |
| if $tracelevel then { |
| strace $tracelevel |
| } |
| |
| # |
| # test running programs |
| # |
| |
| set prms_id 0 |
| set bug_id 0 |
| |
| |
| set testfile "check-errno" |
| set srcfile ${testfile}.c |
| set binfile ${objdir}/${subdir}/${testfile} |
| |
| global srcdir objdir subdir gdb_prompt srcfile testfile binfile hex |
| |
| if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug} ] != "" } { |
| gdb_suppress_entire_file "Testcase compile failed, so all tests in this file will automatically fail." |
| } |
| |
| # Start with a fresh gdb |
| gdb_exit |
| gdb_start |
| gdb_reinitialize_dir $srcdir/$subdir |
| gdb_file_cmd "${binfile}" |
| |
| send_gdb "set width 0\n" |
| gdb_expect -re "$gdb_prompt $" |
| |
| send_gdb "set locate-dsym 0\n" |
| gdb_expect -re "$gdb_prompt $" |
| |
| gdb_test "break [gdb_get_line_number "Good place to break first"]" "Breakpoint 1 at $hex: file.*, line.*\\." \ |
| "Set breakpoint on line 'Good place to break first'" |
| |
| gdb_test "break [gdb_get_line_number "Good place to break second"]" "Breakpoint 2 at $hex: file.*, line.*\\." \ |
| "Set breakpoint on line 'Good place to break second'" |
| |
| gdb_test "run" "Starting program: $binfile *\r\n\Reading symbols for shared libraries \(\[.+\]\)+ done.*Breakpoint 1, main.*" \ |
| "run to first breakpoint in main()" |
| |
| send_gdb "print \(int\) errno\n" |
| gdb_expect { |
| -re {\$[0-9]+ = ([-]?[0-9]+)} { |
| set errno_first $expect_out(1,string) |
| if {$errno_first == 0} { |
| pass "errno should be 0 after we set it to 0" |
| } else { |
| fail "errno should be 0 after we set it to 0 - probably not getting shared cache correctly" |
| } |
| gdb_expect -re "$gdb_prompt $" |
| } |
| -re "$gdb_prompt $" { |
| fail "could not print errno after we set it" |
| } |
| timeout {fail "(timeout) printing errno after we set it"} |
| } |
| |
| gdb_test "continue" {Continuing\.(\r\n)+Breakpoint 2, main.*} "continue to second breakpoint in main." |
| |
| gdb_test {print result} {\$[0-9]+ = -1} "result of stat should be -1" |
| |
| send_gdb "print \(unsigned int\) errno\n" |
| gdb_expect { |
| -re {\$[0-9]+ = ([-]?[0-9]+)} { |
| set errno_second $expect_out(1,string) |
| if {$errno_first != $errno_second && $errno_second != 0} { |
| pass "errno should have changed after the stat call" |
| } else { |
| fail "errno should have changed after the stat call" |
| } |
| } |
| -re "$gdb_prompt $" { |
| fail "could not print errno after the stat call" |
| } |
| timeout {fail "(timeout) printing errno after the stat call"} |
| } |
| |
| |
| gdb_exit |