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# Copyright 1997-2015 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/>.
# Test that things still (sort of) work when compiled without -g.
standard_testfile .c
if [get_compiler_info] {
return -1
}
if [test_compiler_info "xlc-*"] {
# By default, IBM'x xlc compiler doesn't add static variables into the symtab.
# Use "-qstatsym" to do so.
set exec_opts additional_flags=-qstatsym
} else {
set exec_opts ""
}
if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
untested "Couldn't compile $srcfile."
return -1
}
# Start with a fresh gdb.
clean_restart $binfile
if [runto inner] then {
# Expect to find global/local symbols in each of text/data/bss.
# The exact format for some of this output is not necessarily
# ideal, particularly interpreting "p top" requires a fair bit of
# savvy about gdb's workings and the meaning of the "{}"
# construct. So the details maybe could be tweaked. But the
# basic purpose should be maintained, which is (a) users should be
# able to interact with these variables with some care (they have
# to know how to interpret them according to their real type,
# since gdb doesn't know the type), but (b) users should be able
# to detect that gdb does not know the type, rather than just
# being told they are ints or functions returning int like old
# versions of gdb used to do.
# On alpha (and other ecoff systems) the native compilers put
# out debugging info for non-aggregate return values of functions
# even without -g, which should be accepted.
gdb_test "p top" \
"\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?top(\\(int\\)|)>"
gdb_test "whatis top" \
"(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
gdb_test "ptype top" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
gdb_test "p middle" \
"\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?middle(\\(int\\)|)>"
gdb_test "whatis middle" \
"(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
gdb_test "ptype middle" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
gdb_test "p dataglobal" "= 3"
gdb_test "whatis dataglobal" \
"<(data variable|variable), no debug info>|int"
gdb_test "ptype dataglobal" "<(data variable|variable), no debug info>|int"
# The only symbol xcoff puts out for statics is for the TOC entry.
# Possible, but hairy, for gdb to deal. Right now it doesn't, it
# doesn't know the variables exist at all.
setup_xfail "rs6000*-*-aix*"
setup_xfail "powerpc*-*-aix*"
gdb_test "p datalocal" "= 4"
setup_xfail "rs6000*-*-aix*"
setup_xfail "powerpc*-*-aix*"
gdb_test "whatis datalocal" "<(data variable|variable), no debug info>"
setup_xfail "rs6000*-*-aix*"
setup_xfail "powerpc*-*-aix*"
gdb_test "ptype datalocal" "<(data variable|variable), no debug info>"
gdb_test "p bssglobal" "= 0"
gdb_test "whatis bssglobal" "<(data variable|variable), no debug info>|int"
gdb_test "ptype bssglobal" "<(data variable|variable), no debug info>|int"
setup_xfail "rs6000*-*-aix*"
setup_xfail "powerpc*-*-aix*"
gdb_test "p bsslocal" "= 0"
setup_xfail "rs6000*-*-aix*"
setup_xfail "powerpc*-*-aix*"
gdb_test "whatis bsslocal" "<(data variable|variable), no debug info>"
setup_xfail "rs6000*-*-aix*"
setup_xfail "powerpc*-*-aix*"
gdb_test "ptype bsslocal" "<(data variable|variable), no debug info>"
gdb_test "backtrace 10" "#0.*inner.*#1.*middle.*#2.*top.*#3.*main.*" \
"backtrace from inner in nodebug.exp"
# Or if that doesn't work, at least hope for the external symbols
# Commented out because if we aren't going to xfail the above test
# ever, why bother with a weaker test?
#gdb_test "backtrace 10" "#0.*inner.*#1.*#2.*top.*#3.*main.*" \
# "backtrace from inner in nodebug.exp for externals"
# This test is not as obscure as it might look. `p getenv ("TERM")'
# is a real-world example, at least on many systems.
if [target_info exists gdb,cannot_call_functions] {
setup_xfail "*-*-*" 2416
fail "p/c array_index(\"abcdef\",2)"
} else {
# We need to up this because this can be really slow on some boards.
# (malloc() is called as part of the test).
set prev_timeout $timeout
set timeout 60
gdb_test {p/c array_index("abcdef",2)} " = 99 'c'"
set timeout $prev_timeout
}
# Now, try that we can give names of file-local symbols which happen
# to be unique, and have it still work
if [runto middle] then {
gdb_test "backtrace 10" "#0.*middle.*#1.*top.*#2.*main.*" \
"backtrace from middle in nodebug.exp"
}
}
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