1# Copyright 2012-2017 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 16if {[skip_shlib_tests]} { 17 return -1 18} 19 20set executable print-file-var-main 21 22set lib1 "print-file-var-lib1" 23set lib2 "print-file-var-lib2" 24 25set libobj1 [standard_output_file ${lib1}.so] 26set libobj2 [standard_output_file ${lib2}.so] 27 28set lib_opts { debug additional_flags=-fPIC } 29 30if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib1}.c \ 31 ${libobj1} \ 32 ${lib_opts} ] != "" } { 33 return -1 34} 35if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib2}.c \ 36 ${libobj2} \ 37 ${lib_opts} ] != "" } { 38 return -1 39} 40if { [gdb_compile "${srcdir}/${subdir}/${executable}.c" \ 41 [standard_output_file ${executable}] \ 42 executable \ 43 [list debug shlib=${libobj1} shlib=${libobj2}]] 44 != ""} { 45 return -1 46} 47 48clean_restart $executable 49gdb_load_shlib $libobj1 50gdb_load_shlib $libobj2 51 52if ![runto_main] { 53 untested "could not run to main" 54 return -1 55} 56 57# Try printing "this_version_num" qualified with the name of the file 58# where the variables are defined. There are two global variables 59# with that name, and some systems such as GNU/Linux merge them 60# into one single entity, while some other systems such as Windows 61# keep them separate. In the first situation, we have to verify 62# that GDB does not randomly select the wrong instance, even when 63# a specific filename is used to qualified the lookup. And in the 64# second case, we have to verify that GDB does select the instance 65# defined in the given filename. 66# 67# To avoid adding target-specific code in this testcase, the program 68# sets two local variable named 'v1' and 'v2' with the value of 69# our global variables. This allows us to compare the value that 70# GDB returns for each query against the actual value seen by 71# the program itself. 72 73# Get past the initialization of variables 'v1' and 'v2'. 74 75set bp_location \ 76 [gdb_get_line_number "STOP" "${executable}.c"] 77gdb_test "break $executable.c:$bp_location" \ 78 "Breakpoint \[0-9\]+ at 0x\[0-9a-fA-F\]+: .*" \ 79 "breapoint past v1 & v2 initialization" 80 81gdb_test "continue" \ 82 "Breakpoint \[0-9\]+, main \\(\\) at.*" \ 83 "continue to STOP marker" 84 85# Now check the value of this_version_id in both print-file-var-lib1.c 86# and print-file-var-lib2.c. 87 88gdb_test "print 'print-file-var-lib1.c'::this_version_id == v1" \ 89 " = 1" 90 91gdb_test "print 'print-file-var-lib2.c'::this_version_id == v2" \ 92 " = 1" 93