binutils-gdb/gdb/testsuite/gdb.base/dso2dso.exp
Keith Seitz ea8812bcea gdb.base/dso2dso.exp sometimes broken
Keith reported that gdb.base/dso2dso.exp is broken, with the following
error:

| $ make check RUNTESTFLAGS=dso2dso.exp
| [snip]
| Running ../../../src/gdb/testsuite/gdb.base/dso2dso.exp ...
| ERROR: tcl error sourcing ../../../src/gdb/testsuite/gdb.base/dso2dso.exp.
| ERROR: couldn't open
| "../../../src/gdb/testsuite/gdb.base/../../../src/gdb/testsuite/gdb.base/dso2dso-dso1.c":
| no such file or directory
|     while executing
| "error "$message""
|     (procedure "gdb_get_line_number" line 14)
|     invoked from within
| "gdb_get_line_number "STOP HERE" $srcfile_libdso1"
|     (file "../../../src/gdb/testsuite/gdb.base/dso2dso.exp" line 60)
|     invoked from within
| "source ../../../src/gdb/testsuite/gdb.base/dso2dso.exp"
|     ("uplevel" body line 1)
|     invoked from within
| "uplevel #0 source ../../../src/gdb/testsuite/gdb.base/dso2dso.exp"
|     invoked from within
| "catch "uplevel #0 source $test_file_name""

This happens because gdb_get_line_number will prepend $srcdir/$subdir
if the given filename does not start with "/", and this happens when
GDB was configured using a relative path to the configure script.
When using an absolute path like I do, we avoid the pre-pending that
Keith is seeing.

gdb/testsuite/ChangeLog:

        Keith Seitz  <keiths@redhat.com>:
        * gdb.base/dso2dso.exp: Pass basename of source file in call
        to gdb_get_line_number.

Tested on x86_64-linux with both scenarios.
2015-08-12 18:47:46 -07:00

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# Copyright 2015 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 0
}
standard_testfile
set output_dir [standard_output_file {}]
set libdso2 $testfile-dso2
set srcfile_libdso2 $srcdir/$subdir/$libdso2.c
set binfile_libdso2 [standard_output_file $libdso2.so]
set libdso1 $testfile-dso1
set srcfile_libdso1 $srcdir/$subdir/$libdso1.c
set binfile_libdso1 [standard_output_file $libdso1.so]
if { [gdb_compile_shlib $srcfile_libdso2 $binfile_libdso2 \
[list debug additional_flags=-fPIC]] != "" } {
untested "Could not compile $binfile_libdso2."
return -1
}
if { [gdb_compile_shlib $srcfile_libdso1 $binfile_libdso1 \
[list debug additional_flags=-fPIC]] != "" } {
untested "Could not compile $binfile_libdso1."
return -1
}
if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable \
[list debug shlib=$binfile_libdso2 shlib=$binfile_libdso1]] != "" } {
return -1
}
clean_restart $binfile
gdb_load_shlibs $binfile_libdso2 $binfile_libdso1
if { ![runto_main] } {
return -1
}
# Verify that we can "next" over the call to sub2 (provided by
# libdso2) make from sub1 (provided by libdso1), and land at
# the expected location.
set bp_location [gdb_get_line_number "STOP HERE" [file tail $srcfile_libdso1]]
gdb_breakpoint ${srcfile_libdso1}:${bp_location}
gdb_continue_to_breakpoint "at call to sub2" \
".*sub2 ().*"
gdb_test "next" \
".*return 5;.*" \
"next over call to sub2"