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92 lines
3.1 KiB
Plaintext
92 lines
3.1 KiB
Plaintext
# Copyright 2012-2015 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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if {[skip_shlib_tests]} {
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return -1
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}
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set executable print-file-var-main
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set lib1 "print-file-var-lib1"
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set lib2 "print-file-var-lib2"
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set libobj1 [standard_output_file ${lib1}.so]
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set libobj2 [standard_output_file ${lib2}.so]
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set lib_opts { debug additional_flags=-fPIC }
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if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib1}.c \
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${libobj1} \
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${lib_opts} ] != "" } {
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return -1
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}
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if { [gdb_compile_shlib ${srcdir}/${subdir}/${lib2}.c \
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${libobj2} \
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${lib_opts} ] != "" } {
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return -1
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}
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if { [gdb_compile "${srcdir}/${subdir}/${executable}.c" \
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[standard_output_file ${executable}] \
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executable \
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[list debug shlib=${libobj1} shlib=${libobj2}]]
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!= ""} {
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return -1
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}
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clean_restart $executable
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gdb_load_shlibs $libobj1 $libobj2
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if ![runto_main] {
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untested "could not run to main"
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return -1
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}
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# Try printing "this_version_num" qualified with the name of the file
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# where the variables are defined. There are two global variables
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# with that name, and some systems such as GNU/Linux merge them
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# into one single entity, while some other systems such as Windows
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# keep them separate. In the first situation, we have to verify
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# that GDB does not randomly select the wrong instance, even when
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# a specific filename is used to qualified the lookup. And in the
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# second case, we have to verify that GDB does select the instance
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# defined in the given filename.
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#
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# To avoid adding target-specific code in this testcase, the program
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# sets two local variable named 'v1' and 'v2' with the value of
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# our global variables. This allows us to compare the value that
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# GDB returns for each query against the actual value seen by
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# the program itself.
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# Get past the initialization of variables 'v1' and 'v2'.
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set bp_location \
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[gdb_get_line_number "STOP" "${executable}.c"]
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gdb_test "break $executable.c:$bp_location" \
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"Breakpoint \[0-9\]+ at 0x\[0-9a-fA-F\]+: .*" \
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"breapoint past v1 & v2 initialization"
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gdb_test "continue" \
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"Breakpoint \[0-9\]+, main \\(\\) at.*" \
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"continue to STOP marker"
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# Now check the value of this_version_id in both print-file-var-lib1.c
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# and print-file-var-lib2.c.
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gdb_test "print 'print-file-var-lib1.c'::this_version_id == v1" \
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" = 1"
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gdb_test "print 'print-file-var-lib2.c'::this_version_id == v2" \
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" = 1"
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