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