143 lines
5.4 KiB
Text
143 lines
5.4 KiB
Text
# Copyright 1997-2016 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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# Test that things still (sort of) work when compiled without -g.
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standard_testfile .c
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if [get_compiler_info] {
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return -1
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}
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if [test_compiler_info "xlc-*"] {
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# By default, IBM'x xlc compiler doesn't add static variables into the symtab.
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# Use "-qstatsym" to do so.
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set exec_opts additional_flags=-qstatsym
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} else {
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set exec_opts ""
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}
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if { [gdb_compile $srcdir/$subdir/$srcfile $binfile executable $exec_opts] != "" } {
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untested "Couldn't compile $srcfile."
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return -1
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}
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# Start with a fresh gdb.
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clean_restart $binfile
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if [runto inner] then {
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# Expect to find global/local symbols in each of text/data/bss.
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# The exact format for some of this output is not necessarily
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# ideal, particularly interpreting "p top" requires a fair bit of
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# savvy about gdb's workings and the meaning of the "{}"
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# construct. So the details maybe could be tweaked. But the
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# basic purpose should be maintained, which is (a) users should be
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# able to interact with these variables with some care (they have
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# to know how to interpret them according to their real type,
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# since gdb doesn't know the type), but (b) users should be able
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# to detect that gdb does not know the type, rather than just
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# being told they are ints or functions returning int like old
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# versions of gdb used to do.
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# On alpha (and other ecoff systems) the native compilers put
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# out debugging info for non-aggregate return values of functions
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# even without -g, which should be accepted.
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gdb_test "p top" \
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"\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?top(\\(int\\)|)>"
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gdb_test "whatis top" \
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"(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
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gdb_test "ptype top" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
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gdb_test "p middle" \
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"\{(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))\} \[0-9a-fx]* <\\.?middle(\\(int\\)|)>"
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gdb_test "whatis middle" \
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"(<(text variable|function), no debug info>|short \\(int\\)|short \\(\\))"
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gdb_test "ptype middle" "(short|int) \\((|void|int|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
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gdb_test "p dataglobal" "= 3"
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gdb_test "whatis dataglobal" \
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"<(data variable|variable), no debug info>|int"
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gdb_test "ptype dataglobal" "<(data variable|variable), no debug info>|int"
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# The only symbol xcoff puts out for statics is for the TOC entry.
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# Possible, but hairy, for gdb to deal. Right now it doesn't, it
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# doesn't know the variables exist at all.
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setup_xfail "rs6000*-*-aix*"
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setup_xfail "powerpc*-*-aix*"
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gdb_test "p datalocal" "= 4"
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setup_xfail "rs6000*-*-aix*"
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setup_xfail "powerpc*-*-aix*"
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gdb_test "whatis datalocal" "<(data variable|variable), no debug info>"
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setup_xfail "rs6000*-*-aix*"
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setup_xfail "powerpc*-*-aix*"
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gdb_test "ptype datalocal" "<(data variable|variable), no debug info>"
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gdb_test "p bssglobal" "= 0"
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gdb_test "whatis bssglobal" "<(data variable|variable), no debug info>|int"
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gdb_test "ptype bssglobal" "<(data variable|variable), no debug info>|int"
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setup_xfail "rs6000*-*-aix*"
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setup_xfail "powerpc*-*-aix*"
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gdb_test "p bsslocal" "= 0"
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setup_xfail "rs6000*-*-aix*"
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setup_xfail "powerpc*-*-aix*"
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gdb_test "whatis bsslocal" "<(data variable|variable), no debug info>"
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setup_xfail "rs6000*-*-aix*"
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setup_xfail "powerpc*-*-aix*"
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gdb_test "ptype bsslocal" "<(data variable|variable), no debug info>"
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gdb_test "backtrace 10" "#0.*inner.*#1.*middle.*#2.*top.*#3.*main.*" \
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"backtrace from inner in nodebug.exp"
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# Or if that doesn't work, at least hope for the external symbols
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# Commented out because if we aren't going to xfail the above test
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# ever, why bother with a weaker test?
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#gdb_test "backtrace 10" "#0.*inner.*#1.*#2.*top.*#3.*main.*" \
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# "backtrace from inner in nodebug.exp for externals"
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# This test is not as obscure as it might look. `p getenv ("TERM")'
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# is a real-world example, at least on many systems.
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if [target_info exists gdb,cannot_call_functions] {
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setup_xfail "*-*-*" 2416
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fail "p/c array_index(\"abcdef\",2)"
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} else {
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# We need to up this because this can be really slow on some boards.
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# (malloc() is called as part of the test).
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set prev_timeout $timeout
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set timeout 60
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gdb_test {p/c array_index("abcdef",2)} " = 99 'c'"
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set timeout $prev_timeout
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}
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# Now, try that we can give names of file-local symbols which happen
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# to be unique, and have it still work
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if [runto middle] then {
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gdb_test "backtrace 10" "#0.*middle.*#1.*top.*#2.*main.*" \
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"backtrace from middle in nodebug.exp"
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}
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}
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