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# Copyright 1998, 1999, 2003, 2004, 2006, 2007, 2008, 2009, 2010# Free Software Foundation, Inc.# This file is part of the gdb testsuite# This program is free software; you can redistribute it and/or modify# it under the terms of the GNU General Public License as published by# the Free Software Foundation; either version 3 of the License, or# (at your option) any later version.## This program is distributed in the hope that it will be useful,# but WITHOUT ANY WARRANTY; without even the implied warranty of# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the# GNU General Public License for more details.## You should have received a copy of the GNU General Public License# along with this program. If not, see <http://www.gnu.org/licenses/>.# Tests for pointer-to-member support# Written by Satish Pai <pai@apollo.hp.com> 1997-08-19# Rewritten by Michael Chastain <mec.gnu@mindspring.com> 2004-01-11set vhn "\\$\[0-9\]+"if $tracelevel then {strace $tracelevel}if { [skip_cplus_tests] } { continue }set testfile "member-ptr"set srcfile ${testfile}.ccset binfile ${objdir}/${subdir}/${testfile}if [get_compiler_info ${binfile} "c++"] {return -1}if { [gdb_compile "${srcdir}/${subdir}/${srcfile}" "${binfile}" executable {debug c++}] != "" } {untested member-ptr.expreturn -1}gdb_exitgdb_startgdb_reinitialize_dir $srcdir/$subdirgdb_load ${binfile}if ![runto_main] then {perror "couldn't run to breakpoint"continue}gdb_breakpoint [gdb_get_line_number "Breakpoint 1 here"]gdb_continue_to_breakpoint "continue to pmi = NULL"# ======================# pointer to member data# ======================# ptype on pointer to data memberset name "ptype pmi (A::j)"gdb_test_multiple "ptype pmi" $name {-re "type = int A::\\*\r\n$gdb_prompt $" {pass $name}}# print pointer to data memberset name "print pmi (A::j) "gdb_test_multiple "print pmi" $name {-re "$vhn = &A::j\r\n$gdb_prompt $" {pass $name}-re "$vhn = \\(int ?\\( ?A::\\*\\)\\) &A::j\r\n$gdb_prompt $" {pass $name}-re "$vhn = \\(int ?\\( ?A::\\*\\)\\) ?&A::j ?\\+ ?1 bytes\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2kfail "gdb/NNNN" $name}-re "$vhn = &A::j ?\\+ ?1 bytes\r\n$gdb_prompt $" {# gcc 2.95.3 -gstabs+kfail "gdb/NNNN" $name}-re "$vhn = not implemented: member type in c_val_print\r\n$gdb_prompt $" {# gcc HEAD 2004-01-11 05:33:21 -gdwarf-2# gcc HEAD 2004-01-11 05:33:21 -gstabs+kfail "gdb/NNNN" $name}-re "$vhn = \\(int ?\\( A::\\*\\)\\) 536870920\r\n$gdb_prompt $" {# the value is 0x20000008 hex. 0x20000000 is an internal flag.# Use '|' to add in more values as needed.# hpacc A.03.45kfail "gdb/NNNN" $name}}# print dereferenced pointer to data memberset name "print a.*pmi (A::j)"gdb_test_multiple "print a.*pmi" $name {-re "$vhn = 121\r\n$gdb_prompt $" {pass $name}-re "$vhn = 855638016\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+kfail "gdb/NNNN" $name}-re "not implemented: member types in unpack_long\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# print dereferenced pointer to data member# this time, dereferenced through a pointerset name "print a_p->*pmi (A::j)"gdb_test_multiple "print a_p->*pmi" $name {-re "$vhn = 121\r\n$gdb_prompt $" {pass $name}-re "$vhn = 855638016\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+kfail "gdb/NNNN" $name}-re "not implemented: member types in unpack_long\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# set the pointer to a different data memberset name "set var pmi = &A::jj"gdb_test_multiple "set var pmi = &A::jj" $name {-re "Invalid cast.\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}-re "set var pmi = &A::jj\r\n$gdb_prompt $" {# I have to match the echo'ed input explicitly here.# If I leave it out, the pattern becomes too general# and matches anything that ends in "$gdb_prompt $".pass $name}}# print the pointer againset name "print pmi (A::jj)"gdb_test_multiple "print pmi" $name {-re "$vhn = &A::jj\r\n$gdb_prompt $" {pass $name}-re "$vhn = \\(int ?\\( ?A::\\*\\)\\) &A::jj\r\n$gdb_prompt $" {pass $name}-re "$vhn = not implemented: member type in c_val_print\r\n$gdb_prompt $" {# gcc HEAD 2004-01-11 05:33:21 -gdwarf-2# gcc HEAD 2004-01-11 05:33:21 -gstabs+kfail "gdb/NNNN" $name}-re "$vhn = \\(int ?\\( A::\\*\\)\\) 536870924\r\n$gdb_prompt $" {# the value is 0x20000008 hex. 0x20000000 is an internal flag.# Use '|' to add in more values as needed.# hpacc A.03.45kfail "gdb/NNNN" $name}}# print dereferenced pointer to data member againset name "print a.*pmi (A::jj)"gdb_test_multiple "print a.*pmi" $name {-re "$vhn = 1331\r\n$gdb_prompt $" {pass $name}-re "not implemented: member types in unpack_long\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# set the pointer to data member back to A::jset name "set var pmi = &A::j"gdb_test_multiple "set var pmi = &A::j" $name {-re "Invalid cast.\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}-re "set var pmi = &A::j\r\n$gdb_prompt $" {# I have to match the echo'ed input explicitly here.# If I leave it out, the pattern becomes too general# and matches anything that ends in "$gdb_prompt $".pass $name}}# print dereferenced pointer to data member yet again (extra check, why not)set name "print a.*pmi (A::j) (again)"gdb_test_multiple "print a.*pmi" $name {-re "$vhn = 121\r\n$gdb_prompt $" {pass $name}-re "not implemented: member types in unpack_long\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# Set the data member pointed to.set name "print a.*pmi = 33"gdb_test_multiple "print a.*pmi = 33" $name {-re "$vhn = 33\r\n$gdb_prompt $" {pass $name}-re "not implemented: member types in unpack_long\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# Now check that the data really was changedset name "print a.*pmi (A::j) (33)"gdb_test_multiple "print a.*pmi" $name {-re "$vhn = 33\r\n$gdb_prompt $" {pass $name}-re "not implemented: member types in unpack_long\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# Double-check by printing a.set name "print a (j = 33)"gdb_test_multiple "print a" $name {-re "$vhn = \{c = 120 'x', j = 33, jj = 1331, (static|static int) s = 10, (_vptr.A|_vptr\\$) = ($hex|$hex <A virtual table>)\}\r\n$gdb_prompt $" {pass $name}-re "$vhn = \{c = 120 'x', j = 33, jj = 1331, (static|static int) s = 10, Virtual table at $hex\}\r\n$gdb_prompt $" {pass $name}-re "$vhn = \{(_vptr.A|_vptr\\$) = $hex, c = 120 'x', j = 33, jj = 1331, (static|static int) s = 10\}\r\n$gdb_prompt $" {pass $name}-re "$vhn = \{(_vptr.A|_vptr\\$) = $hex, c = 120 'x', j = 121, jj = 1331, (static|static int) s = 10\}\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# Set the data member pointed to, using ->*set name "print a_p->*pmi = 44"gdb_test_multiple "print a_p->*pmi = 44" $name {-re "$vhn = 44\r\n$gdb_prompt $" {pass $name}-re "not implemented: member types in unpack_long\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# Check that the data really was changedset name "print a_p->*pmi (44)"gdb_test_multiple "print a_p->*pmi" $name {-re "$vhn = 44\r\n$gdb_prompt $" {pass $name}-re "not implemented: member types in unpack_long\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# Double-check by printing a.set name "print a (j = 44)"gdb_test_multiple "print a" $name {-re "$vhn = \{c = 120 'x', j = 44, jj = 1331, (static|static int) s = 10, (_vptr.A|_vptr\\$) = ($hex|$hex <A virtual table>)\}\r\n$gdb_prompt $" {pass $name}-re "$vhn = \{c = 120 'x', j = 44, jj = 1331, (static|static int) s = 10, Virtual table at $hex\}\r\n$gdb_prompt $" {pass $name}-re "$vhn = \{(_vptr.A|_vptr\\$) = $hex, c = 120 'x', j = 44, jj = 1331, (static|static int) s = 10\}\r\n$gdb_prompt $" {pass $name}-re "$vhn = \{(_vptr.A|_vptr\\$) = $hex, c = 120 'x', j = 121, jj = 1331, (static|static int) s = 10\}\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# ptype the dereferenced pointer to member.set name "ptype a.*pmi"gdb_test_multiple "ptype a.*pmi" $name {-re "type = int\r\n$gdb_prompt" {pass $name}-re "not implemented: member types in unpack_long\r\n$gdb_prompt $" {# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# dereference the pointer to data member without any object# this is not allowed: a pmi must be bound to an object to dereferenceset name "print *pmi"gdb_test_multiple "print *pmi" $name {-re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {pass $name}-re "Cannot access memory at address 0x4\r\n$gdb_prompt $" {# gcc 2.95.3 -gstabs+kfail "gdb/NNNN" $name}-re "Cannot access memory at address 0x8\r\n$gdb_prompt $" {# gcc 3.3.2 -gdwarf-2# gcc 3.3.2 -gstabs+kfail "gdb/NNNN" $name}}# dereference the pointer to data member without any object# this is not allowed: a pmi must be bound to an object to dereferenceset name "ptype *pmi"gdb_test_multiple "ptype *pmi" $name {-re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {pass $name}-re "type = int A::\r\n$gdb_prompt $" {# gcc 2.95.3 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# Check cast of pointer to member to integer.# This is similar to "offset-of".# such as "A a; print (size_t) &A.j - (size_t) &A".set name "print (int) pmi"gdb_test_multiple "print (int) pmi" $name {-re "$vhn = (4|8|12)\r\n$gdb_prompt" {pass $name}}# Check "(int) pmi" explicitly for equality.set name "print ((int) pmi) == ((char *) &a.j - (char *) &a)"gdb_test_multiple "print ((int) pmi) == ((char *) &a.j - (char *) & a)" $name {-re "$vhn = true\r\n$gdb_prompt" {pass $name}}# ==========================# pointer to member function# ==========================# ptype a pointer to a methodset name "ptype pmf"gdb_test_multiple "ptype pmf" $name {-re "type = int \\( ?A::\\*\\)\\(A \\*, int\\)\r\n$gdb_prompt $" {pass $name}-re "type = int \\( ?A::\\*\\)\\(void\\)\r\n$gdb_prompt $" {# hpacc A.03.45kfail "gdb/NNNN" $name}-re "type = struct \{.*\}\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+# gcc 3.2.2 -gdwarf-2# gcc 3.2.2 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# print a pointer to a methodset name "print pmf"gdb_test_multiple "print pmf" $name {-re "$vhn = \\(int \\(A::\\*\\)\\(A \\*, int\\)\\) $hex <A::bar\\(int\\)>\r\n$gdb_prompt $" {pass $name}-re "$vhn = .*not supported with HP aCC.*\r\n$gdb_prompt $" {# hpacc A.03.45kfail "gdb/NNNN" $name}-re "$vhn = \{.*\}\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+# gcc 3.2.2 -gdwarf-2# gcc 3.2.2 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# ptype a pointer to a pointer to a methodset name "ptype pmf_p"gdb_test_multiple "ptype pmf_p" $name {-re "type = int \\( ?A::\\*\\*\\)\\(A \\*, int\\)\r\n$gdb_prompt $" {pass $name}-re "type = int \\( ?A::\\*\\*\\)\\(void\\)\r\n$gdb_prompt $" {# hpacc A.03.45kfail "gdb/NNNN" $name}-re "type = struct \{.*\} \\*\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+# gcc 3.2.2 -gdwarf-2# gcc 3.2.2 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# print a pointer to a pointer to a methodset name "print pmf_p"gdb_test_multiple "print pmf_p" $name {-re "$vhn = \\(int \\( ?A::\\*\\*\\)\\)\\(int\\)\\) $hex\r\n$gdb_prompt $" {pass $name}-re "$vhn = \\(PMF \\*\\) $hex\r\n$gdb_prompt $" {pass "gdb/NNNN"}-re "$vhn = \\(int \\( ?A::\\*\\*\\)\\(void\\)\\) $hex\r\n$gdb_prompt $" {# hpacc A.03.45kfail "gdb/NNNN" $name}-re "$vhn = \\(struct \{.*\} \\*\\) $hex\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2kfail "gdb/NNNN" $name}}# print dereferenced pointer to methodset name "print a.*pmf"gdb_test_multiple "print a.*pmf" $name {-re "$vhn = {int \\(A \\*, int\\)} $hex <A::bar\\(int\\)>\r\n$gdb_prompt $" {pass $name}-re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" {# hpacc A.03.45kfail "gdb/NNNN" $name}-re "Value can't be converted to integer.\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+# gcc 3.2.2 -gdwarf-2# gcc 3.2.2 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# print dereferenced pointer to method, using ->*set name "print a_p->*pmf"gdb_test_multiple "print a_p->*pmf" $name {-re "$vhn = {int \\(A \\*, int\\)} $hex <A::bar\\(int\\)>\r\n$gdb_prompt $" {pass $name}-re "Pointers to methods not supported with HP aCC\r\n$gdb_prompt $" {# hpacc A.03.45kfail "gdb/NNNN" $name}-re "Value can't be converted to integer.\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+# gcc 3.2.2 -gdwarf-2# gcc 3.2.2 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# set the pointer to data memberset name "set var pmf = &A::foo"gdb_test_multiple "set var pmf = &A::foo" $name {-re "set var pmf = &A::foo\r\n$gdb_prompt $" {# I have to match the echo'ed input explicitly here.# If I leave it out, the pattern becomes too general# and matches anything that ends in "$gdb_prompt $".pass $name}-re "Invalid cast.\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+# gcc 3.2.2 -gdwarf-2# gcc 3.2.2 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}-re "Assignment to pointers to methods not implemented with HP aCC\r\n$gdb_prompt $" {kfail "gdb/NNNN" $name}}# dereference the pointer to data member without any object# this is not allowed: a pmf must be bound to an object to dereferenceset name "print *pmf"gdb_test_multiple "print *pmf" $name {-re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {pass $name}-re "Structure has no component named operator\\*.\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+# gcc 3.3.2 -gdwarf-2# gcc 3.3.2 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# dereference the pointer to data member without any object# this is not allowed: a pmf must be bound to an object to dereferenceset name "ptype *pmf"gdb_test_multiple "ptype *pmf" $name {-re "Attempt to dereference pointer to member without an object\r\n$gdb_prompt $" {pass $name}-re "Structure has no component named operator\\*.\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+# gcc 3.3.2 -gdwarf-2# gcc 3.3.2 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}# Call a function through a pmf.set name "print (a.*pmf)(3)"gdb_test_multiple "print (a.*pmf)(3)" $name {-re "$vhn = 50\r\n$gdb_prompt $" {pass $name}-re "Not implemented: function invocation through pointer to method with HP aCC\r\n$gdb_prompt $" {# hpacc A.03.45kfail "gdb/NNNN" $name}-re "Value can't be converted to integer.\r\n$gdb_prompt $" {# gcc 2.95.3 -gdwarf-2# gcc 2.95.3 -gstabs+# gcc 3.3.2 -gdwarf-2# gcc 3.3.2 -gstabs+# gcc HEAD 2004-01-10 -gdwarf-2# gcc HEAD 2004-01-10 -gstabs+kfail "gdb/NNNN" $name}}gdb_test "ptype a.*pmf" "type = int \\(A \\*, int\\)"# Print out a pointer to data member which requires looking into# a base class.gdb_test "print diamond_pmi" "$vhn = &Base::x"gdb_test "print diamond.*diamond_pmi" "$vhn = 77"# Examine some more complicated pmfs, which require adjusting "this"# and looking through virtual tables.# These two have a different object adjustment, but call the same method.gdb_test "print diamond.*left_pmf" \"$vhn = {int \\(Diamond \\*\\)} $hex <Base::get_x\\((void|)\\)>"gdb_test "print diamond.*right_pmf" \"$vhn = {int \\(Diamond \\*\\)} $hex <Base::get_x\\((void|)\\)>"gdb_test "print (diamond.*left_pmf) ()" "$vhn = 77"gdb_test "print (diamond.*right_pmf) ()" "$vhn = 88"# These two point to different methods, although they have the same# virtual table offsets.gdb_test "print diamond.*left_vpmf" \"$vhn = {int \\(Diamond \\*\\)} $hex <Left::vget\\((void|)\\)>"gdb_test "print diamond.*right_vpmf" \"$vhn = {int \\(Diamond \\*\\)} $hex <Right::vget\\((void|)\\)>"gdb_test "print (diamond.*left_vpmf) ()" "$vhn = 177"gdb_test "print (diamond.*left_base_vpmf) ()" "$vhn = 2077"gdb_test "print (diamond.*right_vpmf) ()" "$vhn = 288"# We should be able to figure out left_vpmf even without an object,# because it comes from a non-virtual base. The same for right_vpmf.gdb_test "print left_vpmf" "$vhn = &virtual Left::vget\\(\\)"gdb_test "print right_vpmf" "$vhn = &virtual Right::vget\\(\\)"# But we should gracefully fail to figure out base_vpmf, because# its runtime type is more derived than its static type. This# is a valid but unspecified cast (it is value preserving, i.e.# can be casted back to the correct type and used).gdb_test "print base_vpmf" \"$vhn = &virtual table offset \[0-9\]*, this adjustment -\[0-9\]*"# Make sure we parse this correctly; it's invalid.gdb_test "print diamond.*left_vpmf ()" \"Invalid data type for function to be called\\."# NULL pointer to member tests.gdb_test "print null_pmi" "$vhn = NULL"gdb_test "print null_pmi = &A::j" "$vhn = &A::j"gdb_test "print null_pmi = 0" "$vhn = NULL"gdb_test "print null_pmf" "$vhn = NULL"gdb_test "print null_pmf = &A::foo" "$vhn = \\(int \\(A::\\*\\)\\(A \\*, int\\)\\) $hex <A::foo ?\\(int\\)>"gdb_test "print null_pmf = 0" "$vhn = NULL"
