gdb/testsuite/gdb.base/nodebug.exp

   1 # Test that things still (sort of) work when compiled without -g.
   2
   3 if $tracelevel then {
   4         strace $tracelevel
   5 }
   6
   7 set prms_id 0
   8 set bug_id 0
   9
  10 set testfile nodebug
  11 set srcfile ${srcdir}/$subdir/${testfile}.c
  12 set binfile ${objdir}/${subdir}/${testfile}
  13 if  { [compile "${srcfile} -o ${binfile}"] != "" } {
  14     perror "Couldn't compile ${srcfile}"
  15     return -1
  16 }
  17
  18 execute_anywhere "rm -f ${binfile}.ci"
  19 if  { [compile "-E ${srcdir}/${subdir}/compiler.c > ${binfile}.ci"] != "" } {
  20     perror "Couldn't make ${testfile}.ci file"
  21     return -1
  22 }
  23 gdb_reinitialize_dir $srcdir/$subdir
  24 gdb_load $binfile
  25 source ${binfile}.ci
  26
  27 if [runto inner] then {
  28
  29     # Expect to find global/local symbols in each of text/data/bss.
  30
  31     # The exact format for some of this output is not necessarily
  32     # ideal, particularly interpreting "p top" requires a fair bit of
  33     # savvy about gdb's workings and the meaning of the "{}"
  34     # construct.  So the details maybe could be tweaked.  But the
  35     # basic purpose should be maintained, which is (a) users should be
  36     # able to interact with these variables with some care (they have
  37     # to know how to interpret them according to their real type,
  38     # since gdb doesn't know the type), but (b) users should be able
  39     # to detect that gdb does not know the type, rather than just
  40     # being told they are ints or functions returning int like old
  41     # versions of gdb used to do.
  42
  43     # On alpha (and other ecoff systems) the native compilers put
  44     # out debugging info for non-aggregate return values of functions
  45     # even without -g, which should be accepted.
  46     # Irix5, even though it is ELF, counts as "ecoff" because it
  47     # encapsulates ecoff debugging info in a .mdebug section.
  48
  49     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix5*" }
  50     gdb_test "p top" \
  51         "{(<(text variable|function), no debug info>|short \\(\\))} \[0-9a-fx]* <top>"
  52     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix5*" }
  53     gdb_test "whatis top" \
  54         "(<(text variable|function), no debug info>|short \\(\\))"
  55     gdb_test "ptype top" "(short|int) \\((|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
  56
  57     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix5*" }
  58     gdb_test "p middle" \
  59         "{(<(text variable|function), no debug info>|short \\(\\))} \[0-9a-fx]* <middle>"
  60     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix5*" }
  61     gdb_test "whatis middle" \
  62         "(<(text variable|function), no debug info>|short \\(\\))"
  63     gdb_test "ptype middle" "(short|int) \\((|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
  64
  65     gdb_test "p dataglobal" "= 3"
  66     gdb_test "whatis dataglobal" \
  67         "<(data variable|variable), no debug info>"
  68     gdb_test "ptype dataglobal" "<(data variable|variable), no debug info>"
  69
  70     # The only symbol xcoff puts out for statics is for the TOC entry.
  71     # Possible, but hairy, for gdb to deal.  Right now it doesn't, it
  72     # doesn't know the variables exist at all.
  73     setup_xfail "rs6000*-*-aix*"
  74     setup_xfail "powerpc*-*-aix*"
  75     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
  76     gdb_test "p datalocal" "= 4"
  77     setup_xfail "rs6000*-*-aix*"
  78     setup_xfail "powerpc*-*-aix*"
  79     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
  80     gdb_test "whatis datalocal" "<(data variable|variable), no debug info>"
  81     setup_xfail "rs6000*-*-aix*"
  82     setup_xfail "powerpc*-*-aix*"
  83     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
  84     gdb_test "ptype datalocal" "<(data variable|variable), no debug info>"
  85
  86     gdb_test "p bssglobal" "= 0"
  87     gdb_test "whatis bssglobal" "<(data variable|variable), no debug info>"
  88     gdb_test "ptype bssglobal" "<(data variable|variable), no debug info>"
  89
  90     setup_xfail "rs6000*-*-aix*"
  91     setup_xfail "powerpc*-*-aix*"
  92     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
  93     gdb_test "p bsslocal" "= 0"
  94     setup_xfail "rs6000*-*-aix*"
  95     setup_xfail "powerpc*-*-aix*"
  96     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
  97     gdb_test "whatis bsslocal" "<(data variable|variable), no debug info>"
  98     setup_xfail "rs6000*-*-aix*"
  99     setup_xfail "powerpc*-*-aix*"
 100     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
 101     gdb_test "ptype bsslocal" "<(data variable|variable), no debug info>"
 102
 103     gdb_test "backtrace" "#0.*inner.*#1.*middle.*#2.*top.*#3.*main.*" \
 104         "backtrace from inner in nodebug.exp"
 105     # Or if that doesn't work, at least hope for the external symbols
 106     # Commented out because if we aren't going to xfail the above test
 107     # ever, why bother with a weaker test?
 108     #gdb_test "backtrace" "#0.*inner.*#1.*#2.*top.*#3.*main.*" \
 109         #    "backtrace from inner in nodebug.exp for externals"
 110
 111     # This test is not as obscure as it might look.  `p getenv ("TERM")'
 112     # is a real-world example, at least on many systems.
 113     gdb_test {p/c array_index("abcdef",2)} " = 99 'c'"
 114
 115     # Now, try that we can give names of file-local symbols which happen
 116     # to be unique, and have it still work
 117     if [runto middle] then {
 118         gdb_test "backtrace" "#0.*middle.*#1.*top.*#2.*main.*" \
 119             "backtrace from middle in nodebug.exp"
 120     }
 121 }