member-ptr.exp

来自「这个是LINUX下的GDB调度工具的源码」· EXP 代码 · 共 623 行 · 第 1/2 页

	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 dereference

set 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 dereference

set 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)\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 method

set name "ptype pmf"
gdb_test_multiple "ptype pmf" $name {
    -re "type = int \\( ?A::\\*\\)\\(int\\)\r\n$gdb_prompt $" {
	pass $name
    }
    -re "type = int \\( ?A::\\*\\)\\(void\\)\r\n$gdb_prompt $" {
	# hpacc A.03.45
	kfail "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 method

set name "print pmf"
gdb_test_multiple "print pmf" $name {
    -re "$vhn = &A::bar\r\n$gdb_prompt $" {
	pass $name
    }
    -re "$vhn = .*not supported with HP aCC.*\r\n$gdb_prompt $" {
	# hpacc A.03.45
	kfail "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 method

set name "ptype pmf_p"
gdb_test_multiple "ptype pmf_p" $name {
    -re "type = int \\( ?A::\\*\\*\\)\\(int\\)\r\n$gdb_prompt $" {
	pass $name
    }
    -re "type = int \\( ?A::\\*\\*\\)\\(void\\)\r\n$gdb_prompt $" {
	# hpacc A.03.45
	kfail "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 method

set 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.03.45
	kfail "gdb/NNNN" $name
    }
    -re "$vhn = \\(struct \{.*\} \\*\\) $hex\r\n$gdb_prompt $" {
	# gcc 2.95.3 -gdwarf-2
	kfail "gdb/NNNN" $name
    }
}

# print dereferenced pointer to method

set name "print a.*pmf"
gdb_test_multiple "print a.*pmf" $name {
    -re "$vhn = \\(int \\(\\*\\)\\(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.03.45
	kfail "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 \\(\\*\\)\\(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.03.45
	kfail "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 member

set 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 dereference

set 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 dereference

set 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.03.45
	kfail "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
    }
}