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# Copyright 2012-2016 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/>. */
if {[skip_shlib_tests]} {
return -1
}
set executable print-file-var-main
set lib1 "print-file-var-lib1"
set lib2 "print-file-var-lib2"
set libobj1 [standard_output_file ${lib1}.so]
set libobj2 [standard_output_file ${lib2}.so]
set lib_opts { debug additional_flags=-fPIC }
if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib1}.c \
${libobj1} \
${lib_opts} ] != "" } {
return -1
}
if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib2}.c \
${libobj2} \
${lib_opts} ] != "" } {
return -1
}
if { [gdb_compile "${srcdir}/${subdir}/${executable}.c" \
[standard_output_file ${executable}] \
executable \
[list debug shlib=${libobj1} shlib=${libobj2}]]
!= ""} {
return -1
}
clean_restart $executable
gdb_load_shlibs $libobj1
gdb_load_shlibs $libobj2
if ![runto_main] {
untested "could not run to main"
return -1
}
# Try printing "this_version_num" qualified with the name of the file
# where the variables are defined. There are two global variables
# with that name, and some systems such as GNU/Linux merge them
# into one single entity, while some other systems such as Windows
# keep them separate. In the first situation, we have to verify
# that GDB does not randomly select the wrong instance, even when
# a specific filename is used to qualified the lookup. And in the
# second case, we have to verify that GDB does select the instance
# defined in the given filename.
#
# To avoid adding target-specific code in this testcase, the program
# sets two local variable named 'v1' and 'v2' with the value of
# our global variables. This allows us to compare the value that
# GDB returns for each query against the actual value seen by
# the program itself.
# Get past the initialization of variables 'v1' and 'v2'.
set bp_location \
[gdb_get_line_number "STOP" "${executable}.c"]
gdb_test "break $executable.c:$bp_location" \
"Breakpoint \[0-9\]+ at 0x\[0-9a-fA-F\]+: .*" \
"breapoint past v1 & v2 initialization"
gdb_test "continue" \
"Breakpoint \[0-9\]+, main \\(\\) at.*" \
"continue to STOP marker"
# Now check the value of this_version_id in both print-file-var-lib1.c
# and print-file-var-lib2.c.
gdb_test "print 'print-file-var-lib1.c'::this_version_id == v1" \
" = 1"
gdb_test "print 'print-file-var-lib2.c'::this_version_id == v2" \
" = 1"
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