212 lines
8.2 KiB
Plaintext
212 lines
8.2 KiB
Plaintext
# Copyright 2002-2018 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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# relocate.exp -- Expect script to test loading symbols from unrelocated
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# object files.
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standard_testfile .c
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append binfile .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 "failed to compile"
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return -1
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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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#Check that invalid options are rejected.
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foreach x {"-raednow" "readnow" "foo" "-readnow s"} {
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set word [lindex $x [expr [llength $x]-1]]
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gdb_test "add-symbol-file ${binfile} 0 $x" \
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"Unrecognized argument \"$word\"" \
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"add-symbol-file: unknown option $word"
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}
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# Check that we can pass parameters using any position in the command
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# line.
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set test "add-symbol-file positionless -readnow"
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gdb_test_multiple "add-symbol-file -readnow $binfile 0x100 -s .bss 0x3" $test {
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-re "add symbol table from file \"${binfile}\" at\r\n\t\.text_addr = 0x100\r\n\t\.bss_addr = 0x3\r\n\\(y or n\\) " {
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gdb_test "n" "Not confirmed\." $test
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}
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}
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# When we use -s as the first argument, the section will be printed
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# first as well.
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set test "add-symbol-file positionless -s"
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gdb_test_multiple "add-symbol-file -s .bss 0x3 -readnow $binfile 0x100" $test {
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-re "add symbol table from file \"${binfile}\" at\r\n\t\.text_addr = 0x100\r\n\t\.bss_addr = 0x3\r\n\\(y or n\\) " {
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gdb_test "n" "Not confirmed\." $test
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}
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}
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set test "add-symbol-file positionless -s, no -readnow"
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gdb_test_multiple "add-symbol-file $binfile 0x100 -s .bss 0x3" $test {
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-re "add symbol table from file \"${binfile}\" at\r\n\t\.text_addr = 0x100\r\n\t\.bss_addr = 0x3\r\n\\(y or n\\) " {
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gdb_test "n" "Not confirmed\." $test
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}
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}
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# Check that passing "-s .text", no matter the position, always has
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# the same result.
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set test "add-symbol-file different -s .text, after file"
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gdb_test_multiple "add-symbol-file $binfile 0x100 -s .text 0x200" $test {
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-re "add symbol table from file \"${binfile}\" at\r\n\t\.text_addr = 0x100\r\n\t\.text_addr = 0x200\r\n\\(y or n\\) " {
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gdb_test "n" "Not confirmed\." $test
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}
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}
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set test "add-symbol-file different -s .text, before file"
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gdb_test_multiple "add-symbol-file -s .text 0x200 $binfile 0x100" $test {
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-re "add symbol table from file \"${binfile}\" at\r\n\t\.text_addr = 0x100\r\n\t\.text_addr = 0x200\r\n\\(y or n\\) " {
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gdb_test "n" "Not confirmed\." $test
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}
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}
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# Test that passing "--" disables option processing.
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gdb_test "add-symbol-file -- $binfile 0x100 -s .bss 0x3" \
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"Unrecognized argument \"-s\"" \
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"add-symbol-file with -- disables option processing"
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set test "add-symbol-file with -- disables option processing, non-existent filename"
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gdb_test_multiple "add-symbol-file -- -non-existent-file 0x100" $test {
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-re "add symbol table from file \"-non-existent-file\" at\r\n\t\.text_addr = 0x100\r\n\\(y or n\\) " {
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gdb_test "y" "-non-existent-file: No such file or directory\." $test
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}
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}
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# Test that passing the wrong number of arguments to '-s' leads to an
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# error.
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gdb_test "add-symbol-file $binfile -s" \
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"Missing section name after \"-s\"" \
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"add-symbol-file with -s without section name"
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gdb_test "add-symbol-file $binfile -s .bss" \
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"Missing section address after \"-s\"" \
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"add-symbol-file with -s without section address"
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# Test that '-s' accepts section names with '-'
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set test "add-symbol-file with -s using section name starting with dash"
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gdb_test_multiple "add-symbol-file -s -section-name 0x200 $binfile 0x100" $test {
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-re "add symbol table from file \"${binfile}\" at\r\n\t\.text_addr = 0x100\r\n\t\-section-name_addr = 0x200\r\n\\(y or n\\) " {
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gdb_test "n" "Not confirmed\." $test
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}
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}
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# Since we're here, might as well test the 'symbol-file' command and
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# if its arguments can also be passed at any position.
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gdb_test "symbol-file -readnow $binfile" \
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"Reading symbols from ${binfile}\.\.\.expanding to full symbols\.\.\.done\." \
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"symbol-file with -readnow first"
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clean_restart
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gdb_test "symbol-file $binfile -readnow" \
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"Reading symbols from ${binfile}\.\.\.expanding to full symbols\.\.\.done\." \
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"symbol-file with -readnow second"
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gdb_test "symbol-file -readnow" \
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"no symbol file name was specified" \
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"symbol-file without filename"
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gdb_test "symbol-file -- -non-existent-file" \
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"-non-existent-file: No such file or directory\." \
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"symbol-file with -- disables option processing"
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clean_restart
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gdb_test "symbol-file -readnow -- $binfile" \
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"Reading symbols from ${binfile}\.\.\.expanding to full symbols\.\.\.done\." \
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"symbol-file with -- and -readnow"
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gdb_test "symbol-file -- $binfile -readnow" \
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"Unrecognized argument \"-readnow\"" \
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"symbol-file with -- and -readnow, invalid option"
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clean_restart
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gdb_test "add-symbol-file ${binfile} 0 -s" \
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"Missing section name after .-s." \
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"add-symbol-file bare -s"
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gdb_test "add-symbol-file ${binfile} 0 -s .whatever" \
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"Missing section address after .-s." \
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"add-symbol-file missing address"
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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_no_output "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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