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gdb: add type::has_varargs / type::set_has_varargs

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Add the `has_varargs` and `set_has_varargs` methods on `struct type`, in
order to remove the `TYPE_VARARGS` macro.  In this patch, the macro is
changed to use the getter, so all the call sites of the macro that are
used as a setter are changed to use the setter method directly.  The
next patch will remove the macro completely.

gdb/ChangeLog:

	* gdbtypes.h (struct type) <has_varargs, set_has_varargs>: New methods.
	(TYPE_VARARGS): Use type::has_varargs, change all write call sites to
	use type::set_has_varargs.

Change-Id: I898a1093ae40808b37a7c6fced7f6fa2aae604de
This commit is contained in:
Simon Marchi
2020-09-14 11:08:01 -04:00
parent 7f9f399b34
commit 1d6286ed04
6 changed files with 24 additions and 7 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2020-09-14 Simon Marchi <simon.marchi@efficios.com>
* gdbtypes.h (struct type) <has_varargs, set_has_varargs>: New methods.
(TYPE_VARARGS): Use type::has_varargs, change all write call sites to
use type::set_has_varargs.
2020-09-14 Simon Marchi <simon.marchi@efficios.com> 2020-09-14 Simon Marchi <simon.marchi@efficios.com>
* gdbtypes.h (TYPE_PROTOTYPED): Remove, replace all * gdbtypes.h (TYPE_PROTOTYPED): Remove, replace all

2
gdb/ctfread.c
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@ -1142,7 +1142,7 @@ add_stt_func (struct ctf_context *ccp, unsigned long idx)
tid = ctf_lookup_by_symbol (ccp->fp, idx); tid = ctf_lookup_by_symbol (ccp->fp, idx);
ftype = get_tid_type (ccp->of, tid); ftype = get_tid_type (ccp->of, tid);
if (finfo.ctc_flags & CTF_FUNC_VARARG) if (finfo.ctc_flags & CTF_FUNC_VARARG)
TYPE_VARARGS (ftype) = 1; ftype->set_has_varargs (true);
ftype->set_num_fields (argc); ftype->set_num_fields (argc);
/* If argc is 0, it has a "void" type. */ /* If argc is 0, it has a "void" type. */

3
gdb/dwarf2/read.c
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@ -17707,7 +17707,8 @@ read_subroutine_type (struct die_info *die, struct dwarf2_cu *cu)
if (child_die->tag == DW_TAG_formal_parameter) if (child_die->tag == DW_TAG_formal_parameter)
nparams++; nparams++;
else if (child_die->tag == DW_TAG_unspecified_parameters) else if (child_die->tag == DW_TAG_unspecified_parameters)
TYPE_VARARGS (ftype) = 1; ftype->set_has_varargs (true);
child_die = child_die->sibling; child_die = child_die->sibling;
} }

2
gdb/eval.c
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@ -665,7 +665,7 @@ fake_method::fake_method (type_instance_flags flags,
if (param_types[num_types - 1] == NULL) if (param_types[num_types - 1] == NULL)
{ {
--num_types; --num_types;
TYPE_VARARGS (type) = 1; type->set_has_varargs (true);
} }
else if (check_typedef (param_types[num_types - 1])->code () else if (check_typedef (param_types[num_types - 1])->code ()
== TYPE_CODE_VOID) == TYPE_CODE_VOID)

4
gdb/gdbtypes.c
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@ -552,7 +552,7 @@ lookup_function_type_with_arguments (struct type *type,
if (param_types[nparams - 1] == NULL) if (param_types[nparams - 1] == NULL)
{ {
--nparams; --nparams;
TYPE_VARARGS (fn) = 1; fn->set_has_varargs (true);
} }
else if (check_typedef (param_types[nparams - 1])->code () else if (check_typedef (param_types[nparams - 1])->code ()
== TYPE_CODE_VOID) == TYPE_CODE_VOID)
@ -1556,7 +1556,7 @@ smash_to_method_type (struct type *type, struct type *self_type,
type->set_fields (args); type->set_fields (args);
type->set_num_fields (nargs); type->set_num_fields (nargs);
if (varargs) if (varargs)
TYPE_VARARGS (type) = 1; type->set_has_varargs (true);
TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */ TYPE_LENGTH (type) = 1; /* In practice, this is never needed. */
} }

14
gdb/gdbtypes.h
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@ -219,7 +219,7 @@ DEF_ENUM_FLAGS_TYPE (enum type_instance_flag_value, type_instance_flags);
/* * FIXME drow/2002-06-03: Only used for methods, but applies as well /* * FIXME drow/2002-06-03: Only used for methods, but applies as well
to functions. */ to functions. */
#define TYPE_VARARGS(t) (TYPE_MAIN_TYPE (t)->flag_varargs) #define TYPE_VARARGS(t) ((t)->has_varargs ())
/* * Identify a vector type. Gcc is handling this by adding an extra /* * Identify a vector type. Gcc is handling this by adding an extra
attribute to the array type. We slurp that in as a new flag of a attribute to the array type. We slurp that in as a new flag of a
@ -828,7 +828,7 @@ struct main_type
unsigned int m_flag_stub : 1; unsigned int m_flag_stub : 1;
unsigned int m_flag_target_stub : 1; unsigned int m_flag_target_stub : 1;
unsigned int m_flag_prototyped : 1; unsigned int m_flag_prototyped : 1;
unsigned int flag_varargs : 1; unsigned int m_flag_varargs : 1;
unsigned int flag_vector : 1; unsigned int flag_vector : 1;
unsigned int flag_stub_supported : 1; unsigned int flag_stub_supported : 1;
unsigned int flag_gnu_ifunc : 1; unsigned int flag_gnu_ifunc : 1;
@ -1108,6 +1108,16 @@ struct type
this->main_type->m_flag_prototyped = is_prototyped; this->main_type->m_flag_prototyped = is_prototyped;
} }
bool has_varargs () const
{
return this->main_type->m_flag_varargs;
}
void set_has_varargs (bool has_varargs)
{
this->main_type->m_flag_varargs = has_varargs;
}
/* * Return the dynamic property of the requested KIND from this type's /* * Return the dynamic property of the requested KIND from this type's
list of dynamic properties. */ list of dynamic properties. */
dynamic_prop *dyn_prop (dynamic_prop_node_kind kind) const; dynamic_prop *dyn_prop (dynamic_prop_node_kind kind) const;