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# Copyright 1997-2021 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
# 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 <>.
# Test that GDB properly ignores invalid stabs.
# Also test that GDB can debug a .o file, and that it doesn't mind
# a file that's more minimal than what a compiler normally puts out.
set testfile weird
set srcfile [standard_output_file weird.s]
set binfile [standard_output_file weirdx.o]
if { [ get_compiler_info ] } {
return -1
proc do_tests {} {
global binfile
global gdb_prompt
# Mips/alpha targets that use gcc with mips-tfile put out the stabs
# assembler directives embedded in comments. If the assembler
# file is then processed with native cc, all stabs directives
# will be lost.
# Skip the rest of the stabs tests for this case.
send_gdb "ptype inttype\n"
gdb_expect {
-re "^ptype inttype\r*\ntype = inttype.*$gdb_prompt $" {
pass "stabs found"
-re ".*$gdb_prompt $" {
setup_xfail "mips-*-*"
setup_xfail "alpha-*-*"
fail "stabs not found"
default { fail "checking for stabs" }
print_weird_var var0
print_weird_var var1
print_weird_var var2
print_weird_var var3
print_weird_var attr32
print_weird_var attr33
print_weird_var attr35
print_weird_var attr36
print_weird_var attr37
print_weird_var attr38
print_weird_var attr39
print_weird_var attr41
print_weird_var attr42
print_weird_var attr43
print_weird_var attr44
print_weird_var attr46
print_weird_var attr47
print_weird_var attr58
print_weird_var attr59
print_weird_var attr60
print_weird_var attr61
print_weird_var attr62
print_weird_var attr63
print_weird_var attr64
print_weird_var attr65
print_weird_var attr66
print_weird_var attr67
print_weird_var attr68
print_weird_var attr69
print_weird_var attr70
print_weird_var attr71
print_weird_var attr72
print_weird_var attr73
print_weird_var attr74
print_weird_var attr75
print_weird_var attr76
print_weird_var attr77
print_weird_var attr78
print_weird_var attr79
print_weird_var attr80
print_weird_var attr81
print_weird_var attr82
print_weird_var attr83
print_weird_var attr84
print_weird_var attr85
print_weird_var attr86
print_weird_var attr87
print_weird_var attr88
print_weird_var attr89
print_weird_var attr90
print_weird_var attr91
print_weird_var attr92
print_weird_var attr93
print_weird_var attr94
print_weird_var attr95
print_weird_var attr96
print_weird_var attr97
print_weird_var attr98
print_weird_var attr99
print_weird_var attr100
print_weird_var attr101
print_weird_var attr102
print_weird_var attr103
print_weird_var attr104
print_weird_var attr105
print_weird_var attr106
print_weird_var attr107
print_weird_var attr108
print_weird_var attr109
print_weird_var attr110
print_weird_var attr111
print_weird_var attr112
print_weird_var attr113
print_weird_var attr114
print_weird_var attr115
print_weird_var attr116
print_weird_var attr117
print_weird_var attr118
print_weird_var attr119
print_weird_var attr120
print_weird_var attr121
print_weird_var attr122
print_weird_var attr123
print_weird_var attr124
print_weird_var attr125
print_weird_var attr126
gdb_test "p const69" " = 69" "'e' constant on non-enum type"
gdb_test "whatis const69" "type = (unsigned int|inttype)"
gdb_test "p sizeof (const70)" " = 2" "'e' constant with embedded type"
gdb_test "p constchar" " = 97 'a'" "char constant"
gdb_test "p constString1" " = \"Single quote String1\"" "string constant 1"
gdb_test "p constString2" " = \"Double quote String2\"" "string constant 2"
gdb_test "p constString3" " = \"String3 with embedded quote ' in the middle\"" "string constant 3"
gdb_test "p constString4" { = "String4 with embedded quote \\" in the middle"} "string constant 4"
gdb_test "p bad_neg0" " = \{field0 = 42, field2 =.*field3 = 45\}"
gdb_test "ptype inttype" "type = (unsigned int|inttype)" "ptype on inttype"
gdb_test "p sizeof (float72type)" " = 9" "unrecognized floating point type"
# This big number needs to be kept as one piece
gdb_test "p/x int256var" " = 0x0*2a0000002b0000002c0000002d0000002d0000002c0000002b0000002a" "print very big integer"
gdb_test "whatis consth" "type = inttype"
gdb_test "whatis consth2" "type = inttype"
# GDB does not yet understand S constants
setup_xfail "*-*-*"
gdb_test "p/x bad_neg0const" " = \{field0 = 0x11222211, field2 =.*\
field3 = 0x77888877\}" "print struct constant"
gdb_test "ptype bad_type0" "type = .*" "print bad_type0"
gdb_test "ptype bad_type1" "type = .*" "print bad_type1"
# GDB does not yet support arrays indexed by anything at all unusual
setup_xfail "*-*-*"
gdb_test "p array0" " = \\{42, 43, 44, 45, 46, 47\\}" "array0 with strange index"
setup_xfail "*-*-*"
gdb_test "p array1" " = \\{42, 43, 44\\}" "array1 with strange index"
# GDB does not yet support this feature
gdb_test "whatis one_var" "type = inttype_one" \
"whatis one_var (known failure in gdb 4.10)"
# But do make sure that it prints as something reasonable
gdb_test "whatis one_var" "type = inttype(|_one)" \
"whatis one_var test 2"
gdb_test "whatis two_var" "type = inttype_two" \
"whatis two_var (known failure in gdb 4.10)"
# But do make sure that it prints as something reasonable
gdb_test "whatis two_var" "type = inttype(|_two)" \
"whatis two_var test 2"
setup_xfail "*-*-*"
gdb_test "whatis pointer_to_int_var" "type = int \[*\]"
setup_xfail "*-*-*"
gdb_test "whatis intp_var" "type = intp"
gdb_test "p common0var0" "= 42"
# GDB seems to only understand common blocks local to a function.
# These variables never get relocated to be relative to the common
# block.
# I'm not sure whether it is valid to have a common block which
# is not local to a function.
setup_xfail "*-*-*"
gdb_test "p common0var1" "= 24"
setup_xfail "*-*-*"
gdb_test "p common0var2" "= 22"
proc print_weird_var { var } {
global gdb_prompt
# Make sure that the variable gets printed out correctly, without
# any sort of warning message.
gdb_test_multiple "print $var" "variable $var printed property" {
-re "^print $var\r*\n.\[0-9\]* = 42.*$gdb_prompt $" {
pass "variable $var printed properly"
-re ".*$gdb_prompt $" {
fail "variable $var printed properly"
# Make sure that the stabs did get loaded in a sensible way.
# If somehow the stabs got skipped, then the above test can
# pass because GDB assumes int for variables without a stab.
# This doesn't work because 32=45 doesn't preserve the name in
# gdb (as of 14 Sep 93 anyway).
#gdb_test "whatis $var" "type = (unsigned int|inttype)"
# But the size should be right.
gdb_test "print sizeof ($var)" "= 4"
# Don't use gdb_load; it doesn't bitch if the loading produced some
# error messages during symbol reading.
global target_os
set sedscript ${srcdir}/${subdir}/aout.sed
set sedoptions ""
switch -glob ${target_triplet} {
"hppa*-*-*" {
set sedscript ${srcdir}/${subdir}/hppa.sed
"mips-*-ecoff" {
set sedscript ${srcdir}/${subdir}/ecoff.sed
"powerpc-*-aix*" {
set sedscript ${srcdir}/${subdir}/xcoff.sed
set sedoptions "-r"
"rs6000-*-aix*" {
set sedscript ${srcdir}/${subdir}/xcoff.sed
set sedoptions "-r"
"*-*-aout" {
set sedscript ${srcdir}/${subdir}/aout.sed
"*-*-xcoff" {
set sedscript ${srcdir}/${subdir}/xcoff.sed
set sedoptions "-r"
"alpha-*-*" {
set sedscript ${srcdir}/${subdir}/ecoff.sed
# Hope this is a Unix box.
set exec_output [remote_exec build "sed" "${sedoptions} -f ${sedscript}" "${srcdir}/${subdir}/weird.def" "${srcfile}"]
if { [lindex $exec_output 0] != 0 } {
perror "Couldn't make test case. $exec_output"
return -1
if { [gdb_compile "${srcfile}" "${binfile}" object ""] != "" } {
untested "failed to compile"
return -1
remote_file build delete ${srcfile}
# Start with a fresh gdb
gdb_reinitialize_dir $srcdir/$subdir
set binfile [gdb_remote_download host ${binfile} \
[standard_output_file object.o]]
set binfile_re [string_to_regexp $binfile]
send_gdb "file $binfile\n"
# If $binfile is very long, a \r (but not a \n) will echo in the
# middle of the echo of the command. So to match the echo, we
# would like to match anything not containing \n
# (we would prefer to be sure not to match any warning message).
# But \[^\n\]* doesn't seem to work, so instead use the heuristic
# that a filename won't contain a space and a warning message will.
# But spaces following by backspaces aren't really spaces.
gdb_expect 60 {
-re "^file (\[^ \]| +\008)*\r*\n" {
-re "A program is being debugged already.\[\r\n\]+Are you sure you want to change the file\\? \\(y or n\\)" {
send_gdb "y\n"
-re "^Reading symbols from .*$binfile_re\\.\\.\\.(|\r\nUsing host libthread_db library .**\\.)\r\n$gdb_prompt $" {
pass "weirdx.o read without error"
-re ".*$gdb_prompt $" {
fail "errors reading weirdx.o"
timeout {
perror "couldn't load $binfile into $GDB (timed out)."
return -1
eof { fail "(eof) cannot read weirdx.o" }
return 0