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# Copyright 2020-2022 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/>.
# This test checks that loading a file with different methods (partial symtabs,
# index, readnow) does not crash.
standard_testfile
if { [build_executable "failed to prepare" $testfile $srcfile \
{debug ldflags=-Wl,--build-id}] == -1 } {
return
}
set has_index_section [exec_has_index_section $binfile]
set uses_readnow [expr [string first "-readnow" $GDBFLAGS] != -1]
set expecting_index_cache_use [expr !$has_index_section && !$uses_readnow]
lassign [remote_exec host mktemp -d] ret cache_dir
# The output of mktemp contains an end of line, remove it.
set cache_dir [string trimright $cache_dir \r\n]
if { $ret != 0 } {
fail "couldn't create temporary cache dir"
return
}
verbose -log "Index cache dir: $cache_dir"
# Populate the index-cache.
with_test_prefix "populate index cache" {
clean_restart
gdb_test_no_output "set index-cache directory $cache_dir" \
"set index-cache directory"
gdb_test_no_output "set index-cache enabled on"
gdb_test "file $binfile" "Reading symbols from .*" "file"
}
proc load_binary { method } {
global binfile
global hex
if { $method == "standard" } {
gdb_test "file $binfile" "Reading symbols from .*" "file"
} elseif { $method == "index" } {
gdb_test_no_output "set index-cache enabled on"
gdb_test "file $binfile" "Reading symbols from .*" "file index"
gdb_test_no_output "set index-cache enabled off"
} elseif { $method == "readnow" } {
gdb_test "file -readnow $binfile" \
"Reading symbols from .*Expanding full symbols from .*" \
"file readnow"
} else {
error "unknown method"
}
# Print a static function: seeing it and its signature confirms GDB
# sees some symbols.
gdb_test "print foo" " = {int \\(int, int\\)} $hex <foo>"
}
set methods {standard index readnow}
foreach_with_prefix first $methods {
foreach_with_prefix second $methods {
foreach_with_prefix third $methods {
# Start with a clean GDB.
clean_restart
# Set the index cache dir, but don't enable the index-cache, it will
# be enabled only when needed, when loading a file with the "index"
# method.
gdb_test_no_output "set index-cache directory $cache_dir" \
"set index-cache directory"
# Avoid GDB asking whether we really want to load a new binary.
gdb_test_no_output "set confirm off"
with_test_prefix "load first" { load_binary $first }
with_test_prefix "load second" { load_binary $second }
with_test_prefix "load third" { load_binary $third }
}
}
}
lassign [remote_exec host sh "-c \"rm $cache_dir/*.gdb-index\""] ret
if { $ret != 0 && $expecting_index_cache_use } {
fail "couldn't remove files in temporary cache dir"
return
}
lassign [remote_exec host rmdir "$cache_dir"] ret
if { $ret != 0 } {
fail "couldn't remove temporary cache dir"
return
}
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