gdb/testsuite/gdb.base/ctf-ptype.exp

   1 # Copyright 2019-2023 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file is a subset of ptype.exp written by Rob Savoye. (rob@cygnus.com)
  17
  18 if [skip_ctf_tests] {
  19     unsupported "no CTF debug format support, or CTF disabled in GDB"
  20     return 0
  21 }
  22
  23 # Some tests require GCC.
  24 set gcc_compiled [is_c_compiler_gcc]
  25
  26 standard_testfile .c
  27
  28 # Using `-gctf` generates full-fledged CTF debug information.
  29 set opts {}
  30 lappend opts additional_flags=-gctf
  31 lappend opts ldflags=-Wl,--strip-debug
  32 lappend opts ldflags=-Wl,--ctf-variables
  33 lappend opts nowarnings
  34
  35 if { [prepare_for_testing "failed to prepare" ${testfile} \
  36           [list $srcfile] $opts] } {
  37     return 0
  38 }
  39
  40 # Test ptype of unnamed enumeration members before any action causes
  41 # the partial symbol table to be expanded to full symbols.  This fails
  42 # with stabs compilers which fail to use a nameless stab (such as
  43 # pre-2.4.5 versions of gcc and most non-gcc compilers).
  44
  45 gdb_test_multiple "ptype red1" "ptype unnamed enumeration member" {
  46     -re "type = enum primary1_tag \{red1, green1, blue1\}.*$gdb_prompt $" {
  47         # The workaround is in effect.  As this is a compiler, not GDB,
  48         # bug, we'll make it a PASS but perhaps it should be an XFAIL.
  49         pass "ptype unnamed enumeration member (worked around)"
  50     }
  51     -re "type = enum \{red1, green1, blue1\}.*$gdb_prompt $" {
  52         pass "ptype unnamed enumeration member"
  53     }
  54 }
  55
  56 #
  57 # test ptype command with structures
  58 #
  59 # Here and elsewhere, we accept
  60 # "long", "long int", or "int" for long variables (whatis.exp already
  61 # has an XFAIL for "int" (Sun cc bug), so no need to fail it here).
  62 gdb_test "ptype struct t_struct" "type = struct t_struct \{.*\[\r\n\]    (unsigned |)char v_char_member;.*\[\r\n\]    (short|short int) v_short_member;.*\[\r\n\]    int v_int_member;.*\[\r\n\]    (long|long int|int) v_long_member;.*\[\r\n\]    float v_float_member;.*\[\r\n\]    double v_double_member;.*\[\r\n\]\}.*" "ptype structure"
  63
  64
  65 # Test the equivalence between '.' and '->' for struct member references.
  66
  67 if {[gdb_test "ptype v_struct1.v_float_member"  "type = float"] < 0} {
  68     return -1
  69 }
  70 if {[gdb_test "ptype v_struct1->v_float_member" "type = float"] < 0} {
  71     return -1
  72 }
  73 if {[gdb_test "ptype v_t_struct_p.v_float_member"       "type = float"] < 0} {
  74     return -1
  75 }
  76 if {[gdb_test "ptype v_t_struct_p->v_float_member"      "type = float"] < 0} {
  77     return -1
  78 }
  79
  80 gdb_test "ptype struct link" "type = struct link \{\[\r\n\]+\[ \t\]+struct link \\*next;\[\r\n\]+\[ \t\]+struct link \\*\\(\\*linkfunc\\)\\((struct link \\*, int|void|)\\);\[\r\n\]+\[ \t\]+struct t_struct stuff.3.;\[\r\n\]+\}.*" "ptype linked list structure"
  81
  82 #
  83 # test ptype command with unions
  84 #
  85 gdb_test "ptype union t_union" "type = union t_union \{.*\[\r\n\]    (unsigned |)char v_char_member;.*\[\r\n\]    (short|short int) v_short_member;.*\[\r\n\]    int v_int_member;.*\[\r\n\]    (long|long int|int) v_long_member;.*\[\r\n\]    float v_float_member;.*\[\r\n\]    double v_double_member;.*\[\r\n\]\}.*" "ptype union"
  86
  87 #
  88 # test ptype command with enums
  89 #
  90
  91 gdb_test "ptype primary" "type = enum .red, green, blue.*" "ptype unnamed enumeration"
  92
  93 gdb_test "ptype enum colors" "type = enum colors \{yellow, purple, pink\}.*" "ptype named enumeration"
  94
  95
  96 #
  97 # test ptype command with enums as typedef
  98 #
  99 gdb_test "ptype boolean" "type = enum (boolean |)\{FALSE, TRUE\}.*" "ptype unnamed typedef'd enumeration"
 100
 101 gdb_test "list -q main" ".*"
 102
 103 # Same thing with struct and union.
 104 gdb_test "ptype t_struct3" "type = struct (t_struct3 |)\{.*
 105  *double v_double_member;.*
 106  *int v_int_member;.*\}" "printing typedef'd struct"
 107
 108 gdb_test "ptype t_union3" "type = union (t_union3 |)\{.*
 109  *double v_double_member;.*
 110  *int v_int_member;.*\}" "printing typedef'd union"
 111
 112 gdb_test "ptype enum bvals" "type = enum bvals \{my_false, my_true\}.*" "ptype named typedef'd enumf'd enum"
 113
 114 #
 115 # test ptype command with out-of-order enum values
 116 #
 117 gdb_test "ptype enum misordered" "type = enum misordered \{two = 2, one = 1, zero = 0, three = 3\}.*" "ptype misordered enumeration"
 118
 119 #
 120 # test ptype command with a named enum's value
 121 #
 122 gdb_test "ptype three" "type = enum misordered \{two = 2, one = 1, zero = 0, three = 3\}.*" "ptype named enumeration member"
 123
 124 gdb_test "ptype red" "type = enum \{red, green, blue\}.*" "ptype unnamed enumeration member #2"
 125
 126 #
 127 # test ptype command with arrays
 128 #
 129 gdb_test "ptype v_char_array" "type = char .2..*" "ptype char array"
 130
 131 gdb_test "ptype v_signed_char_array" "type = (|signed )char .2..*" "ptype signed char array"
 132
 133 gdb_test "ptype v_unsigned_char_array" "type = unsigned char .2..*" "ptype unsigned char array"
 134
 135 gdb_test "ptype v_int_array" "type = int .2..*" "ptype int array"
 136
 137 gdb_test "ptype v_signed_int_array" "type = int .2..*" "ptype signed int array"
 138
 139 gdb_test "ptype v_unsigned_int_array" "type = unsigned int .2..*" "ptype unsigned int array"
 140
 141 gdb_test "ptype v_long_array" "type = (long|int|long int) .2..*" "ptype long array"
 142
 143 gdb_test "ptype v_signed_long_array" "type = (long|int|long int) .2..*" "ptype signed long array"
 144
 145 gdb_test "ptype v_unsigned_long_array" "type = unsigned long .2..*" "ptype unsigned long array"
 146
 147 gdb_test "ptype v_float_array" "type = float .2..*" "ptype float array"
 148
 149 gdb_test "ptype v_double_array" "type = double .2..*" "ptype double array"
 150
 151 gdb_test "ptype pv_char_array" "type = (|unsigned )char \\(\\*\\)\\\[0?\\\]"
 152
 153 #
 154 # test ptype command with pointers
 155 #
 156 gdb_test "ptype v_char_pointer" "type = char \*.*" "ptype char pointer"
 157
 158 gdb_test "ptype v_short_pointer" "type = short \*.*" "ptype short pointer"
 159
 160 gdb_test "ptype v_long_pointer" "type = long \*.*" "ptype long pointer"
 161
 162 gdb_test "ptype v_int_pointer" "type = int \*.*" "ptype int pointer"
 163
 164 gdb_test "ptype v_signed_long_pointer" "type = long \*.*" "ptype signed long pointer"
 165
 166 gdb_test "ptype v_unsigned_long_pointer" "type = unsigned long \*.*" "ptype unsigned long pointer"
 167
 168 gdb_test "ptype v_float_pointer" "type = float \*.*" "ptype float pointer"
 169
 170 gdb_test "ptype v_double_pointer" "type = double \*.*" "ptype double pointer"
 171
 172 #
 173 # test ptype command with basic C types
 174 #
 175 gdb_test "ptype v_short" "type = short(| int).*" "ptype short"
 176
 177 gdb_test "ptype v_int" "type = int.*" "ptype int"
 178
 179 #
 180 # test ptype command with nested structure and union
 181 #
 182 gdb_test "ptype struct outer_struct" "type = struct outer_struct \{.*\[\r\n\]+\
 183 .*int outer_int;.*\[\r\n\]+\
 184 .*(struct|) inner_struct inner_struct_instance;.*\[\r\n\]+\
 185 .*(union|) inner_union inner_union_instance;.*\[\r\n\]+\
 186 .*(long|long int|int) outer_long;.*\[\r\n\]\}.*" "ptype outer structure"
 187
 188 gdb_test "ptype struct inner_struct" "type = struct inner_struct \{.*\[\r\n\]    int inner_int;.*\[\r\n\]    (long|long int|int) inner_long;.*\[\r\n\]\}.*" "ptype inner structure"
 189
 190 gdb_test "ptype union inner_union" "type = union inner_union \{.*\[\r\n\]    int inner_union_int;.*\[\r\n\]    (long|long int|int) inner_union_long;.*\[\r\n\]\}.*" "ptype inner union"
 191
 192 gdb_test "ptype nested_su" "type = struct outer_struct \{.*\[\r\n\]    int outer_int;.*\[\r\n\]    (struct |)inner_struct inner_struct_instance;.*\[\r\n\]    (union |)inner_union inner_union_instance;.*\[\r\n\]    (long|long int|int) outer_long;.*\[\r\n\]\}.*" "ptype nested structure"
 193
 194 gdb_test "ptype nested_su.outer_int" "type = int.*" "ptype outer int"
 195
 196 gdb_test "ptype nested_su.inner_struct_instance" "type = struct inner_struct \{.*\[\r\n\]    int inner_int;.*\[\r\n\]    (long|long int|int) inner_long;.*\[\r\n\]\}.*" "ptype nested structure #2"
 197
 198 gdb_test "ptype nested_su.inner_struct_instance.inner_int" "type = int.*" "ptype inner int"
 199
 200 gdb_test "ptype nested_su.inner_union_instance" "type = union inner_union \{.*\[\r\n\]    int inner_union_int;.*\[\r\n\]    (long|long int|int) inner_union_long;.*\[\r\n\]\}.*" "ptype nested union"
 201
 202 # Print the type description of variable the_highest, and verify that
 203 # the type description for the fields whose type is anonymous are
 204 # correctly printed (at nesting level 1 and 2).
 205
 206 gdb_test "ptype the_highest" \
 207          "type = struct highest \{.*\[\r\n\] *int a;.*\[\r\n\] *struct \{.*\[\r\n\] *int b;.*\[\r\n\] *struct \{\.\.\.\} anonymous_level_2;.*\[\r\n\] *\} anonymous_level_1;.*\[\r\n\]}.*" \
 208          "ptype the_highest"
 209
 210 # Print the type descrption for one of the fields of variable the_highest.
 211 # The purpose is to verify that the type of a field that was printed above
 212 # as "struct {...}" is now printed in a more descriptive way (because the
 213 # nesting level is now one level less).
 214
 215 gdb_test "ptype the_highest.anonymous_level_1" \
 216          "type = struct \{.*\[\r\n\] *int b;.*\[\r\n\] *struct \{.*\[\r\n\] *int c;.*\[\r\n\] *\} anonymous_level_2;.*\[\r\n\]}.*" \
 217          "ptype the_highest.anonymous_level_1"
 218
 219 # Print the type of the identifier ID, and check the response:
 220 # - Expect to see PROTOTYPED as the type.  PROTOTYPED is not a regular
 221 #   expression; it's a literal string.
 222 # - If we instead see the unprototyped type PLAIN, and we're using STABS
 223 #   generated by GCC, that's an xfail; as of 9 Feb 2002, GCC never emits
 224 #   prototyped function types in STABS.  Like PROTOTYPED, PLAIN is a
 225 #   literal string, not a regular expression.
 226 # - If we see OVERPROTOTYPED, it's an xfail for RealView; RealView
 227 #   does not distinguish prototyped and unprototyped functions, and
 228 #   GDB defaults to prototyped.
 229 # - Otherwise, it's a failure.
 230 proc ptype_maybe_prototyped { id prototyped plain { overprototyped "NO-MATCH" } } {
 231     global gdb_prompt
 232     global gcc_compiled
 233
 234     # Turn the arguments, which are literal strings, into
 235     # regular expressions by quoting any special characters they contain.
 236     foreach var { prototyped plain overprototyped } {
 237         eval "set val \$$var"
 238         regsub -all "\[\]\[*()\]" $val "\\\\&" val
 239         regsub -all "short int" $val "short( int)?" val
 240         regsub -all "long int" $val "long( int)?" val
 241         eval "set $var \$val"
 242     }
 243
 244     gdb_test_multiple "ptype $id" "ptype $id" {
 245         -re "type = $prototyped\[\r\n\]+$gdb_prompt $" {
 246             pass "ptype $id"
 247         }
 248         -re "type = $plain\[\r\n\]+$gdb_prompt $" {
 249             if {$gcc_compiled} { setup_xfail_format "stabs" }
 250             fail "ptype $id (compiler doesn't emit prototyped types)"
 251         }
 252         -re "type = $overprototyped\[\r\n\]+$gdb_prompt $" {
 253             if { [test_compiler_info "armcc-*"] } {
 254                 setup_xfail "*-*-*"
 255             }
 256             fail "ptype $id (compiler doesn't emit unprototyped types)"
 257         }
 258     }
 259 }
 260
 261 ptype_maybe_prototyped "func_type" "int (*)(int (*)(int, float), float)" \
 262                                    "int (*)()"
 263 ptype_maybe_prototyped "old_fptr" "double (*)()" "double (*)()" \
 264                                   "double (*)(void)"
 265 ptype_maybe_prototyped "new_fptr" "double (*)()" "double (*)()"
 266 ptype_maybe_prototyped "fptr" "int (*)(int, float)" "int (*)()"
 267 ptype_maybe_prototyped "fptr2" "int *(*)(int (*)(int, float), float)" \
 268                                "int *(*)()"
 269 ptype_maybe_prototyped "xptr" "int (*)(int (*)(), int (*)(), int)" \
 270                               "int (*)()" \
 271                               "int (*)(int (*)(void), int (*)(void), int)"
 272 ptype_maybe_prototyped "ffptr" "int (*(*)(char))(short int)" \
 273                                "int (*(*)())()"
 274 ptype_maybe_prototyped "fffptr" "int (*(*(*)(char))(short int))(long int)" \
 275                                 "int (*(*(*)())())()"
 276
 277 # Test printing type of string constants and array constants, but
 278 # requires a running process.  These call malloc, and can take a long
 279 # time to execute over a slow serial link, so increase the timeout.
 280
 281 if {[runto_main]} {
 282
 283   if [target_info exists gdb,cannot_call_functions] {
 284     unsupported "this target can not call functions"
 285     return
 286   }
 287
 288   # We need to up this because this can be really slow on some boards.
 289   # (malloc() is called as part of the test).
 290   set prev_timeout $timeout
 291   set timeout 60
 292
 293   gdb_test "ptype \"abc\""      "type = char \\\[4\\\]"
 294   gdb_test "ptype {'a','b','c'}"        "type = char \\\[3\\\]"
 295   gdb_test "ptype {0,1,2}"              "type = int \\\[3\\\]"
 296   gdb_test "ptype {(long)0,(long)1,(long)2}"      "type = long \\\[3\\\]"
 297   gdb_test "ptype {(float)0,(float)1,(float)2}" "type = float \\\[3\\\]"
 298   gdb_test "ptype {{0,1,2},{3,4,5}}"    "type = int \\\[2\\\]\\\[3\\\]"
 299   gdb_test "ptype {4,5,6}\[2\]" "type = int"
 300   gdb_test "ptype *&{4,5,6}\[1\]"       "Attempt to take address of value not located in memory."
 301
 302   set timeout $prev_timeout
 303
 304   # Test ptype of user register
 305   gdb_test "ptype \$pc" "void \\(\\*\\)\\(\\)" "ptype \$pc"
 306 }