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 ${testfile}.c
  12 set binfile ${objdir}/${subdir}/${testfile}
  13 if  { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable ""] != "" } {
  14     perror "Couldn't compile ${srcfile}"
  15     return -1
  16 }
  17
  18 # Create and source the file that provides information about the compiler
  19 # used to compile the test case.
  20 if [get_compiler_info ${binfile}] {
  21     return -1;
  22 }
  23
  24 source ${binfile}.ci
  25
  26 gdb_exit
  27 gdb_start
  28 gdb_reinitialize_dir $srcdir/$subdir
  29 gdb_load $binfile
  30
  31 if [runto inner] then {
  32
  33     # Expect to find global/local symbols in each of text/data/bss.
  34
  35     # The exact format for some of this output is not necessarily
  36     # ideal, particularly interpreting "p top" requires a fair bit of
  37     # savvy about gdb's workings and the meaning of the "{}"
  38     # construct.  So the details maybe could be tweaked.  But the
  39     # basic purpose should be maintained, which is (a) users should be
  40     # able to interact with these variables with some care (they have
  41     # to know how to interpret them according to their real type,
  42     # since gdb doesn't know the type), but (b) users should be able
  43     # to detect that gdb does not know the type, rather than just
  44     # being told they are ints or functions returning int like old
  45     # versions of gdb used to do.
  46
  47     # On alpha (and other ecoff systems) the native compilers put
  48     # out debugging info for non-aggregate return values of functions
  49     # even without -g, which should be accepted.
  50     # Irix5, even though it is ELF, counts as "ecoff" because it
  51     # encapsulates ecoff debugging info in a .mdebug section.
  52     # Irix6 gcc omits no debug info at all for static functions and
  53     # variables, so all tests involving statics fail.
  54
  55     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix5*" "mips-sgi-irix6*" }
  56     gdb_test "p top" \
  57         "{(<(text variable|function), no debug info>|short \\(\\))} \[0-9a-fx]* <top>"
  58     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix5*" "mips-sgi-irix6*" }
  59     gdb_test "whatis top" \
  60         "(<(text variable|function), no debug info>|short \\(\\))"
  61     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix6*" }
  62     gdb_test "ptype top" "(short|int) \\((|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
  63
  64     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix5*" }
  65     setup_xfail "mips-sgi-irix6*"
  66     gdb_test "p middle" \
  67         "{(<(text variable|function), no debug info>|short \\(\\))} \[0-9a-fx]* <middle>"
  68     if {!$gcc_compiled} then { setup_xfail "mips-sgi-irix5*" }
  69     setup_xfail "mips-sgi-irix6*"
  70     gdb_test "whatis middle" \
  71         "(<(text variable|function), no debug info>|short \\(\\))"
  72     setup_xfail "mips-sgi-irix6*"
  73     gdb_test "ptype middle" "(short|int) \\((|<non-float parameter>|<non-float parameter>, <non-float parameter>)\\)"
  74
  75     gdb_test "p dataglobal" "= 3"
  76     gdb_test "whatis dataglobal" \
  77         "<(data variable|variable), no debug info>"
  78     gdb_test "ptype dataglobal" "<(data variable|variable), no debug info>"
  79
  80     # The only symbol xcoff puts out for statics is for the TOC entry.
  81     # Possible, but hairy, for gdb to deal.  Right now it doesn't, it
  82     # doesn't know the variables exist at all.
  83     setup_xfail "rs6000*-*-aix*"
  84     setup_xfail "powerpc*-*-aix*"
  85     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
  86     if {$gcc_compiled} then { setup_xfail "mips-sgi-irix6*" }
  87     gdb_test "p datalocal" "= 4"
  88     setup_xfail "rs6000*-*-aix*"
  89     setup_xfail "powerpc*-*-aix*"
  90     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
  91     if {$gcc_compiled} then { setup_xfail "mips-sgi-irix6*" }
  92     gdb_test "whatis datalocal" "<(data variable|variable), no debug info>"
  93     setup_xfail "rs6000*-*-aix*"
  94     setup_xfail "powerpc*-*-aix*"
  95     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
  96     if {$gcc_compiled} then { setup_xfail "mips-sgi-irix6*" }
  97     gdb_test "ptype datalocal" "<(data variable|variable), no debug info>"
  98
  99     gdb_test "p bssglobal" "= 0"
 100     gdb_test "whatis bssglobal" "<(data variable|variable), no debug info>"
 101     gdb_test "ptype bssglobal" "<(data variable|variable), no debug info>"
 102
 103     setup_xfail "rs6000*-*-aix*"
 104     setup_xfail "powerpc*-*-aix*"
 105     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
 106     if {$gcc_compiled} then { setup_xfail "mips-sgi-irix6*" }
 107     gdb_test "p bsslocal" "= 0"
 108     setup_xfail "rs6000*-*-aix*"
 109     setup_xfail "powerpc*-*-aix*"
 110     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
 111     if {$gcc_compiled} then { setup_xfail "mips-sgi-irix6*" }
 112     gdb_test "whatis bsslocal" "<(data variable|variable), no debug info>"
 113     setup_xfail "rs6000*-*-aix*"
 114     setup_xfail "powerpc*-*-aix*"
 115     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" }
 116     if {$gcc_compiled} then { setup_xfail "mips-sgi-irix6*" }
 117     gdb_test "ptype bsslocal" "<(data variable|variable), no debug info>"
 118
 119     if {$gcc_compiled} then { setup_xfail "mips-sgi-irix6*" }
 120     gdb_test "backtrace 10" "#0.*inner.*#1.*middle.*#2.*top.*#3.*main.*" \
 121         "backtrace from inner in nodebug.exp"
 122     # Or if that doesn't work, at least hope for the external symbols
 123     # Commented out because if we aren't going to xfail the above test
 124     # ever, why bother with a weaker test?
 125     #gdb_test "backtrace 10" "#0.*inner.*#1.*#2.*top.*#3.*main.*" \
 126         #    "backtrace from inner in nodebug.exp for externals"
 127
 128     # This test is not as obscure as it might look.  `p getenv ("TERM")'
 129     # is a real-world example, at least on many systems.
 130     if {!$gcc_compiled} then { setup_xfail "hppa*-*-hpux*" "mips-sgi-irix6*" }
 131     gdb_test {p/c array_index("abcdef",2)} " = 99 'c'"
 132
 133     # Now, try that we can give names of file-local symbols which happen
 134     # to be unique, and have it still work
 135     if {$gcc_compiled} then { setup_xfail "mips-sgi-irix6*" }
 136     if [runto middle] then {
 137         gdb_test "backtrace 10" "#0.*middle.*#1.*top.*#2.*main.*" \
 138             "backtrace from middle in nodebug.exp"
 139     }
 140 }