e22f8b7c8c
Switch the license of all .f and .f90 files to GPLv3.
Switch the license of all .s and .S files to GPLv3.
146 lines
4.4 KiB
Text
146 lines
4.4 KiB
Text
# Copyright 2002, 2003, 2005, 2007 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 <http://www.gnu.org/licenses/>. */
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# Please email any bugs, comments, and/or additions to this file to:
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# bug-gdb@prep.ai.mit.edu
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# relocate.exp -- Expect script to test loading symbols from unrelocated
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# object files.
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if $tracelevel then {
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strace $tracelevel
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}
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set testfile relocate
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set srcfile ${testfile}.c
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set binfile ${objdir}/${subdir}/${testfile}.o
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remote_exec build "rm -f ${binfile}"
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if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" object {debug}] != "" } {
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untested relocate.exp
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return -1
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}
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proc get_var_address { var } {
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global gdb_prompt hex
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send_gdb "print &${var}\n"
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# Match output like:
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# $1 = (int *) 0x0
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# $5 = (int (*)()) 0
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# $6 = (int (*)()) 0x24 <function_bar>
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gdb_expect {
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-re "\\\$\[0-9\]+ = \\(.*\\) (0|$hex)( <${var}>)?\[\r\n\]+${gdb_prompt} $"
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{
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pass "get address of ${var}"
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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 $expect_out(1,string)
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}
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}
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-re "${gdb_prompt} $"
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{ fail "get address of ${var} (unknown output)" }
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timeout
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{ fail "get address of ${var} (timeout)" }
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}
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return ""
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}
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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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# Load the object file.
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gdb_test "add-symbol-file ${binfile} 0" \
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"Reading symbols from .*${testfile}\\.o\\.\\.\\.done\\.(|\r\nUsing host libthread_db library .*libthread_db.so.*\\.)" \
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"add-symbol-file ${testfile}.o 0" \
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"add symbol table from file \".*${testfile}\\.o\" at\[ \t\r\n\]+\.text_addr = 0x0\[\r\n\]+\\(y or n\\) " \
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"y"
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# Print the addresses of static variables.
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set static_foo_addr [get_var_address static_foo]
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set static_bar_addr [get_var_address static_bar]
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# Make sure they have different addresses.
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if { "${static_foo_addr}" == "${static_bar_addr}" } {
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fail "static variables have different addresses"
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} else {
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pass "static variables have different addresses"
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}
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# Print the addresses of global variables.
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set global_foo_addr [get_var_address global_foo]
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set global_bar_addr [get_var_address global_bar]
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# Make sure they have different addresses.
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if { "${global_foo_addr}" == "${global_bar_addr}" } {
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fail "global variables have different addresses"
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} else {
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pass "global variables have different addresses"
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}
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# Print the addresses of functions.
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set function_foo_addr [get_var_address function_foo]
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set function_bar_addr [get_var_address function_bar]
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# Make sure they have different addresses.
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if { "${function_foo_addr}" == "${function_bar_addr}" } {
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fail "functions have different addresses"
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} else {
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pass "functions have different addresses"
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}
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# Now use a variable as an offset to add-symbol-file, and check that
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# the functions' addresses change.
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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 "set \$offset = 0x10000" ""
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# Load the object file.
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gdb_test "add-symbol-file ${binfile} \$offset" \
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"Reading symbols from .*${testfile}\\.o\\.\\.\\.done\\.(|\r\nUsing host libthread_db library .*libthread_db.so.*\\.)" \
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"add-symbol-file ${testfile}.o \$offset" \
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"add symbol table from file \".*${testfile}\\.o\" at\[ \t\r\n\]+\.text_addr = 0x10000\[\r\n\]+\\(y or n\\) " \
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"y"
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# Print the addresses of functions.
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set new_function_foo_addr [get_var_address function_foo]
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# Make sure they have different addresses.
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if { "${function_foo_addr}" == "${new_function_foo_addr}" } {
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fail "function foo has a different address"
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} else {
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pass "function foo has a different address"
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}
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# Now try loading the object as an exec-file; we should be able to print
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# the values of variables after we do this.
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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 ${binfile}
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# Check the values of the variables.
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gdb_test "print static_foo" "\\\$$decimal = 1"
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gdb_test "print static_bar" "\\\$$decimal = 2"
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gdb_test "print global_foo" "\\\$$decimal = 3"
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gdb_test "print global_bar" "\\\$$decimal = 4"
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