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# Copyright 2007-2020 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 3 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, see <http://www.gnu.org/licenses/>. */
# Test loading symbols from unrelocated C++ object files.
standard_testfile .cc
append binfile .o
if { [skip_cplus_tests] } { continue }
if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" object {c++ debug}] != "" } {
untested "failed to compile"
return -1
}
proc get_func_address { func } {
global gdb_prompt hex
set rfunc [string_to_regexp $func]
gdb_test_multiple "print ${func}" "get address of ${func}" {
-re "\\\$\[0-9\]+ = \\{.*\\} (($hex) <${rfunc}.*>)\[\r\n\]+${gdb_prompt} $" {
# $1 = {int ()} 0x24 <function_bar>
# But if the function is at zero, the name may be omitted.
pass "get address of ${func}"
if { $expect_out(1,string) == "0x0" } {
return "0x0"
} else {
return $expect_out(2,string)
}
}
}
return ""
}
# Load the file as an executable; GDB should assign non-overlapping
# section offsets.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_file_cmd ${binfile}
# Find the interesting functions. We go to a little effort to find
# the right function names here, to work around PR c++/40.
set func1_name ""
set func2_name ""
gdb_test_multiple "info functions func<.>" "info functions" {
-re "\tint (\[^\r\]*func<1>\[^\r]*);" {
set func1_name $expect_out(1,string)
exp_continue
}
-re "\tint (\[^\r\]*func<2>\[^\r]*);" {
set func2_name $expect_out(1,string)
exp_continue
}
-re "$gdb_prompt $" {
if { ${func1_name} != "" && ${func2_name} != "" } {
pass "info functions"
} else {
fail "info functions"
return -1
}
}
}
# Check that all the functions have different addresses.
set func1_addr [get_func_address "$func1_name"]
set func2_addr [get_func_address "$func2_name"]
set caller_addr [get_func_address "caller"]
if { "${func1_addr}" == "${func2_addr}"
|| "${func1_addr}" == "${func2_addr}"
|| "${func2_addr}" == "${caller_addr}" } {
fail "C++ functions have different addresses"
} else {
pass "C++ functions have different addresses"
}
# Figure out the names of the sections containing the template
# functions.
set func1_sec ""
set func2_sec ""
gdb_test_multiple "info file" "info file" {
-re "($hex) - ($hex) is (\[^\r\]*)\r" {
if { $expect_out(1,string) <= $func1_addr
&& $expect_out(2,string) > $func1_addr } {
set func1_sec $expect_out(3,string)
} elseif { $expect_out(1,string) <= $func2_addr
&& $expect_out(2,string) > $func2_addr } {
set func2_sec $expect_out(3,string)
}
exp_continue
}
-re "$gdb_prompt $" {
if { ${func1_sec} != "" && ${func2_sec} != "" } {
pass "info file"
} else {
fail "info file"
return -1
}
}
}
if { $func1_sec == $func2_sec } {
untested "cp-relocate.exp - template functions in same sections"
return -1
}
# Now start a clean GDB, for add-symbol-file tests.
gdb_exit
gdb_start
gdb_reinitialize_dir $srcdir/$subdir
gdb_test "add-symbol-file ${binfile} 0 -s ${func1_sec} 0x10000 -s ${func2_sec} 0x20000" \
"Reading symbols from .*${testfile}\\.o\\.\\.\\.(|\r\nUsing host libthread_db library .*libthread_db.so.*\\.)" \
"add-symbol-file ${testfile}.o" \
"add symbol table from file \".*${testfile}\\.o\" at.*\\(y or n\\) " \
"y"
# Make sure the function addresses were updated.
gdb_test "break *$func1_name" \
"Breakpoint $decimal at 0x1....: file .*"
gdb_test "break *$func2_name" \
"Breakpoint $decimal at 0x2....: file .*"
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