binutils-gdb/gdb/testsuite/gdb.base/print-symbol-loading.exp

# Copyright 2012-2025 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/>.

# Test the "print symbol-loading" option.

require allow_shlib_tests gcore_cmd_available

standard_testfile print-symbol-loading-main.c
set libfile print-symbol-loading-lib
set srcfile_lib ${libfile}.c
set binfile_lib [standard_output_file ${libfile}.so]
set gcorefile ${binfile}.gcore
set objfile [standard_output_file ${testfile}.o]

if { [gdb_compile_shlib ${srcdir}/${subdir}/${srcfile_lib} ${binfile_lib} {debug}] != ""
     || [gdb_compile ${srcdir}/${subdir}/${srcfile} ${objfile} object {debug}] != "" } {
    untested "failed to compile"
    return -1
}
set opts [list debug shlib=${binfile_lib}]
if { [gdb_compile ${objfile} ${binfile} executable $opts] != "" } {
    untested "failed to compile"
    return -1
}

clean_restart $testfile
gdb_load_shlib ${binfile_lib}

if {![runto lib]} {
    return -1
}

if {![gdb_gcore_cmd $gcorefile "save a corefile"]} {
    return -1
}

proc test_load_core { print_symbol_loading } {
    global binfile binfile_lib gcorefile srcdir subdir
    with_test_prefix "core ${print_symbol_loading}" {
	clean_restart
	gdb_test_no_output "set print symbol-loading $print_symbol_loading"
	if { ${print_symbol_loading} != "off" } {
	    gdb_test "file $binfile" "Reading symbols from.*" "file"
	} else {
	    gdb_test_no_output "file $binfile" "file"
	}
	# Rename the shared lib so gdb can't find it.
	remote_exec host "mv -f ${binfile_lib} ${binfile_lib}.save"
	gdb_test "core ${gcorefile}" "Core was generated by .*" \
	    "re-load generated corefile"
	# Now put it back and use "set solib-search-path" to trigger
	# loading of symbols.
	remote_exec host "mv -f ${binfile_lib}.save ${binfile_lib}"
	set test_name "load shared-lib"
	switch "${print_symbol_loading}" {
	    "off" {
		gdb_test_no_output "set solib-search-path [file dirname ${binfile_lib}]" \
		    ${test_name}
	    }
	    "brief" {
		gdb_test "set solib-search-path [file dirname ${binfile_lib}]" \
		    "Loading symbols for shared libraries\\." \
		    ${test_name}
	    }
	    "full" {
		gdb_test "set solib-search-path [file dirname ${binfile_lib}]" \
		    "Reading symbols from.*" \
		    ${test_name}
	    }
	}
	gdb_test "frame" "#0 \[^\r\n\]* lib .*" "library got loaded"
    }
}

test_load_core off
test_load_core brief
test_load_core full

# Now test the sharedlibrary command.

proc test_load_shlib { print_symbol_loading } {
    global gdb_prompt
    with_test_prefix "shlib ${print_symbol_loading}" {
	clean_restart $::testfile

	if {![runto_main]} {
	    return -1
	}

	gdb_test_no_output "nosharedlibrary"

	gdb_test_no_output "set print symbol-loading $print_symbol_loading"
	set test_name "load shared-lib"
	set libc_re \
	    [multi_line \
		 "Symbols already loaded for\[^\r\n\]*\\/libc\\.\[^\r\n\]*(" \
		 "Symbols already loaded for\[^\r\n\]*\\/libpthread\\.\[^\r\n\]*)?"]
	switch ${print_symbol_loading} {
	    "off" {
		set cmd "sharedlibrary .*"
		set cmd_regex [string_to_regexp $cmd]
		gdb_test_multiple $cmd $test_name {
		    -re "^$cmd_regex\r\n$gdb_prompt $" {
			pass $test_name
		    }
		    -re "^$cmd_regex\r\n$libc_re\r\n$gdb_prompt $" {
			pass $test_name
		    }
		}
	    }
	    "brief" {
		gdb_test "sharedlibrary .*" \
		    "Loading symbols for shared libraries: \\.\\*.*?(?:Symbols already loaded for .*?libc)?" \
		    ${test_name}
	    }
	    "full" {
		gdb_test "sharedlibrary .*" \
		    "Reading symbols from.*" \
		    ${test_name}
	    }
	}
	gdb_breakpoint "lib"
	gdb_continue_to_breakpoint "lib"
	gdb_test "frame" "#0 \[^\r\n\]* lib .*" "library got loaded"
    }
}

test_load_shlib off
test_load_shlib brief
test_load_shlib full