1# Copyright 2007-2023 Free Software Foundation, Inc. 2 3# This program is free software; you can redistribute it and/or modify 4# it under the terms of the GNU General Public License as published by 5# the Free Software Foundation; either version 3 of the License, or 6# (at your option) any later version. 7# 8# This program is distributed in the hope that it will be useful, 9# but WITHOUT ANY WARRANTY; without even the implied warranty of 10# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11# GNU General Public License for more details. 12# 13# You should have received a copy of the GNU General Public License 14# along with this program. If not, see <http://www.gnu.org/licenses/>. */ 15 16# Test loading symbols from unrelocated C++ object files. 17 18standard_testfile .cc 19append binfile .o 20 21if { [skip_cplus_tests] } { continue } 22 23if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" object {c++ debug}] != "" } { 24 untested "failed to compile" 25 return -1 26} 27 28proc get_func_address { func } { 29 global gdb_prompt hex 30 31 set rfunc [string_to_regexp $func] 32 gdb_test_multiple "print ${func}" "get address of ${func}" { 33 -re "\\\$\[0-9\]+ = \\{.*\\} (($hex) <${rfunc}.*>)\[\r\n\]+${gdb_prompt} $" { 34 # $1 = {int ()} 0x24 <function_bar> 35 # But if the function is at zero, the name may be omitted. 36 pass "get address of ${func}" 37 if { $expect_out(1,string) == "0x0" } { 38 return "0x0" 39 } else { 40 return $expect_out(2,string) 41 } 42 } 43 } 44 return "" 45} 46 47# Load the file as an executable; GDB should assign non-overlapping 48# section offsets. 49gdb_exit 50gdb_start 51gdb_reinitialize_dir $srcdir/$subdir 52gdb_file_cmd ${binfile} 53 54# Find the interesting functions. We go to a little effort to find 55# the right function names here, to work around PR c++/40. 56set func1_name "" 57set func2_name "" 58gdb_test_multiple "info functions func<.>" "info functions" { 59 -re "\tint (\[^\r\]*func<1>\[^\r]*);" { 60 set func1_name $expect_out(1,string) 61 exp_continue 62 } 63 -re "\tint (\[^\r\]*func<2>\[^\r]*);" { 64 set func2_name $expect_out(1,string) 65 exp_continue 66 } 67 -re "$gdb_prompt $" { 68 if { ${func1_name} != "" && ${func2_name} != "" } { 69 pass "info functions" 70 } else { 71 fail "info functions" 72 return -1 73 } 74 } 75} 76 77# Check that all the functions have different addresses. 78set func1_addr [get_func_address "$func1_name"] 79set func2_addr [get_func_address "$func2_name"] 80set caller_addr [get_func_address "caller"] 81 82if { "${func1_addr}" == "${func2_addr}" 83 || "${func1_addr}" == "${func2_addr}" 84 || "${func2_addr}" == "${caller_addr}" } { 85 fail "C++ functions have different addresses" 86} else { 87 pass "C++ functions have different addresses" 88} 89 90# Figure out the names of the sections containing the template 91# functions. 92set func1_sec "" 93set func2_sec "" 94gdb_test_multiple "info file" "info file" { 95 -re "($hex) - ($hex) is (\[^\r\]*)\r" { 96 if { $expect_out(1,string) <= $func1_addr 97 && $expect_out(2,string) > $func1_addr } { 98 set func1_sec $expect_out(3,string) 99 } elseif { $expect_out(1,string) <= $func2_addr 100 && $expect_out(2,string) > $func2_addr } { 101 set func2_sec $expect_out(3,string) 102 } 103 exp_continue 104 } 105 -re "$gdb_prompt $" { 106 if { ${func1_sec} != "" && ${func2_sec} != "" } { 107 pass "info file" 108 } else { 109 fail "info file" 110 return -1 111 } 112 } 113} 114 115if { $func1_sec == $func2_sec } { 116 untested "cp-relocate.exp - template functions in same sections" 117 return -1 118} 119 120# Now start a clean GDB, for add-symbol-file tests. 121gdb_exit 122gdb_start 123gdb_reinitialize_dir $srcdir/$subdir 124 125gdb_test "add-symbol-file ${binfile} 0 -s ${func1_sec} 0x10000 -s ${func2_sec} 0x20000" \ 126 "Reading symbols from .*${testfile}\\.o\\.\\.\\.(|\r\nUsing host libthread_db library .*libthread_db.so.*\\.)" \ 127 "add-symbol-file ${testfile}.o" \ 128 "add symbol table from file \".*${testfile}\\.o\" at.*\\(y or n\\) " \ 129 "y" 130 131# Make sure the function addresses were updated. 132gdb_test "break *$func1_name" \ 133 "Breakpoint $decimal at 0x1....: file .*" 134gdb_test "break *$func2_name" \ 135 "Breakpoint $decimal at 0x2....: file .*" 136