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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/>. */
standard_testfile
set executable $testfile
if ![is_remote target] {
untested "only gdbserver supports build-id reporting"
return -1
}
if [is_remote host] {
untested "only local host is currently supported"
return -1
}
# Test overview:
# generate two shared objects. One that will be used by the process
# and another, modified, that will be found by gdb. Gdb should
# detect the mismatch and refuse to use mismatched shared object.
if { [get_compiler_info] } {
untested "get_compiler_info failed."
return -1
}
# First version of the object, to be loaded by ld.
set srclibfilerun ${testfile}-lib.c
# Modified version of the object to be loaded by gdb
# Code in -libmod.c is tuned so it gives a mismatch but
# leaves .dynamic at the same point.
set srclibfilegdb ${testfile}-libmod.c
# So file name:
set binlibfilebase lib${testfile}.so
# Setup run directory (where program is run from)
# It contains executable and '-lib' version of the library.
set binlibfiledirrun [standard_output_file ${testfile}_wd]
set binlibfilerun ${binlibfiledirrun}/${binlibfilebase}
# Second solib version is in current directory, '-libmod' version.
set binlibfiledirgdb [standard_output_file ""]
set binlibfilegdb ${binlibfiledirgdb}/${binlibfilebase}
# Executable
set srcfile ${testfile}.c
set executable ${testfile}
file delete -force -- "${binlibfiledirrun}"
file mkdir "${binlibfiledirrun}"
set exec_opts {}
if { ![istarget "*-*-nto-*"] } {
lappend exec_opts "shlib_load"
}
lappend exec_opts "additional_flags=-DDIRNAME\=\"${binlibfiledirrun}\" -DLIB\=\"./${binlibfilebase}\""
lappend exec_opts "debug"
if { [build_executable $testfile.exp $executable $srcfile $exec_opts] != 0 } {
return -1
}
if { [gdb_compile_shlib "${srcdir}/${subdir}/${srclibfilerun}" "${binlibfilerun}" [list debug ldflags=-Wl,--build-id]] != ""
|| [gdb_gnu_strip_debug "${binlibfilerun}"]
|| [gdb_compile_shlib "${srcdir}/${subdir}/${srclibfilegdb}" "${binlibfilegdb}" [list debug ldflags=-Wl,--build-id]] != "" } {
untested "compilation failed."
return -1
}
proc solib_matching_test { solibfile symsloaded } {
global gdb_prompt
global testfile
global executable
global srcdir
global subdir
global binlibfiledirrun
global binlibfiledirgdb
global srcfile
clean_restart ${binlibfiledirrun}/${executable}
gdb_test_no_output "set solib-search-path \"${binlibfiledirgdb}\"" ""
if { [gdb_test "cd ${binlibfiledirgdb}" "" ""] != 0 } {
untested "cd ${binlibfiledirgdb}"
return -1
}
# Do not auto load shared libraries, the test needs to have control
# over when the relevant output gets printed.
gdb_test_no_output "set auto-solib-add off" ""
if ![runto "${srcfile}:[gdb_get_line_number "set breakpoint 1 here"]"] {
return -1
}
gdb_test "sharedlibrary" "" ""
set nocrlf "\[^\r\n\]*"
set expected_header "From${nocrlf}To${nocrlf}Syms${nocrlf}Read${nocrlf}Shared${nocrlf}"
set expected_line "${symsloaded}${nocrlf}${solibfile}"
gdb_test "info sharedlibrary ${solibfile}" \
"${expected_header}\r\n.*${expected_line}.*" \
"Symbols for ${solibfile} loaded: expected '${symsloaded}'"
return 0
}
# Copy binary to working dir so it pulls in the library from that dir
# (by the virtue of $ORIGIN).
file copy -force "${binlibfiledirgdb}/${executable}" \
"${binlibfiledirrun}/${executable}"
# Test unstripped, .dynamic matching
with_test_prefix "test unstripped, .dynamic matching" {
solib_matching_test "${binlibfilebase}" "No"
}
# Keep original so for debugging purposes
file copy -force "${binlibfilegdb}" "${binlibfilegdb}-orig"
set objcopy_program [transform objcopy]
set result [catch "exec $objcopy_program --only-keep-debug ${binlibfilegdb}"]
if {$result != 0} {
untested "test --only-keep-debug (objcopy)"
}
# Test --only-keep-debug, .dynamic matching so
with_test_prefix "test --only-keep-debug" {
solib_matching_test "${binlibfilebase}" "No"
}
# Keep previous so for debugging puroses
file copy -force "${binlibfilegdb}" "${binlibfilegdb}-orig1"
# Copy loaded so over the one gdb will find
file copy -force "${binlibfilerun}" "${binlibfilegdb}"
# Now test it does not mis-invalidate matching libraries
with_test_prefix "test matching libraries" {
solib_matching_test "${binlibfilebase}" "Yes"
}
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