/* The DW_AT_addr_base attribute if present, zero otherwise
(zero is a valid value though).
- Note this value comes from the stub CU/TU's DIE. */
+ Note this value comes from the Fission stub CU/TU's DIE. */
ULONGEST addr_base;
/* The DW_AT_ranges_base attribute if present, zero otherwise
(zero is a valid value though).
- Note this value comes from the stub CU/TU's DIE.
+ Note this value comes from the Fission stub CU/TU's DIE.
Also note that the value is zero in the non-DWO case so this value can
be used without needing to know whether DWO files are in use or not.
N.B. This does not apply to DW_AT_ranges appearing in
type derived from this DIE. */
unsigned char building_fullname : 1;
+ /* True if this die is in process. PR 16581. */
+ unsigned char in_process : 1;
+
/* Abbrev number */
unsigned int abbrev;
unsigned int *);
static const char *read_str_index (const struct die_reader_specs *reader,
- struct dwarf2_cu *cu, ULONGEST str_index);
+ ULONGEST str_index);
static void set_cu_language (unsigned int, struct dwarf2_cu *);
#define MAYBE_SWAP(V) (V)
#endif /* WORDS_BIGENDIAN */
+/* Read the given attribute value as an address, taking the attribute's
+ form into account. */
+
+static CORE_ADDR
+attr_value_as_address (struct attribute *attr)
+{
+ CORE_ADDR addr;
+
+ if (attr->form != DW_FORM_addr && attr->form != DW_FORM_GNU_addr_index)
+ {
+ /* Aside from a few clearly defined exceptions, attributes that
+ contain an address must always be in DW_FORM_addr form.
+ Unfortunately, some compilers happen to be violating this
+ requirement by encoding addresses using other forms, such
+ as DW_FORM_data4 for example. For those broken compilers,
+ we try to do our best, without any guarantee of success,
+ to interpret the address correctly. It would also be nice
+ to generate a complaint, but that would require us to maintain
+ a list of legitimate cases where a non-address form is allowed,
+ as well as update callers to pass in at least the CU's DWARF
+ version. This is more overhead than what we're willing to
+ expand for a pretty rare case. */
+ addr = DW_UNSND (attr);
+ }
+ else
+ addr = DW_ADDR (attr);
+
+ return addr;
+}
+
/* The suffix for an index file. */
#define INDEX_SUFFIX ".gdb-index"
static struct symtab *
dw2_find_pc_sect_symtab (struct objfile *objfile,
- struct minimal_symbol *msymbol,
+ struct bound_minimal_symbol msymbol,
CORE_ADDR pc,
struct obj_section *section,
int warn_if_readin)
attr = dwarf2_attr (die, DW_AT_entry_pc, cu);
if (attr)
{
- cu->base_address = DW_ADDR (attr);
+ cu->base_address = attr_value_as_address (attr);
cu->base_known = 1;
}
else
attr = dwarf2_attr (die, DW_AT_low_pc, cu);
if (attr)
{
- cu->base_address = DW_ADDR (attr);
+ cu->base_address = attr_value_as_address (attr);
cu->base_known = 1;
}
}
from it to the DIE in the DWO. If NULL we are skipping the stub.
STUB_COMP_DIR is similar to STUB_COMP_UNIT_DIE: When reading a TU directly
from the DWO file, bypassing the stub, it contains the DW_AT_comp_dir
- attribute of the referencing CU. Exactly one of STUB_COMP_UNIT_DIE and
- COMP_DIR must be non-NULL.
+ attribute of the referencing CU. At most one of STUB_COMP_UNIT_DIE and
+ STUB_COMP_DIR may be non-NULL.
*RESULT_READER,*RESULT_INFO_PTR,*RESULT_COMP_UNIT_DIE,*RESULT_HAS_CHILDREN
are filled in with the info of the DIE from the DWO file.
ABBREV_TABLE_PROVIDED is non-zero if the caller of init_cutu_and_read_dies
struct dwarf2_section_info *section;
bfd *abfd;
const gdb_byte *begin_info_ptr, *info_ptr;
- const char *comp_dir_string;
ULONGEST signature; /* Or dwo_id. */
struct attribute *comp_dir, *stmt_list, *low_pc, *high_pc, *ranges;
int i,num_extra_attrs;
struct dwarf2_section_info *dwo_abbrev_section;
struct attribute *attr;
- struct attribute comp_dir_attr;
struct die_info *comp_unit_die;
- /* Both can't be provided. */
- gdb_assert (! (stub_comp_unit_die && stub_comp_dir));
+ /* At most one of these may be provided. */
+ gdb_assert ((stub_comp_unit_die != NULL) + (stub_comp_dir != NULL) <= 1);
/* These attributes aren't processed until later:
DW_AT_stmt_list, DW_AT_low_pc, DW_AT_high_pc, DW_AT_ranges.
- However, the attribute is found in the stub which we won't have later.
- In order to not impose this complication on the rest of the code,
- we read them here and copy them to the DWO CU/TU die. */
+ DW_AT_comp_dir is used now, to find the DWO file, but it is also
+ referenced later. However, these attributes are found in the stub
+ which we won't have later. In order to not impose this complication
+ on the rest of the code, we read them here and copy them to the
+ DWO CU/TU die. */
stmt_list = NULL;
low_pc = NULL;
do_cleanups (cleanups);
}
-/* Read CU/TU THIS_CU in section SECTION,
- but do not follow DW_AT_GNU_dwo_name if present.
- DWOP_FILE, if non-NULL, is the DWO/DWP file to read (the caller is assumed
- to have already done the lookup to find the DWO/DWP file).
+/* Read CU/TU THIS_CU but do not follow DW_AT_GNU_dwo_name if present.
+ DWO_FILE, if non-NULL, is the DWO file to read (the caller is assumed
+ to have already done the lookup to find the DWO file).
The caller is required to fill in THIS_CU->section, THIS_CU->offset, and
THIS_CU->is_debug_types, but nothing else.
static void
init_cutu_and_read_dies_no_follow (struct dwarf2_per_cu_data *this_cu,
- struct dwarf2_section_info *abbrev_section,
struct dwo_file *dwo_file,
die_reader_func_ftype *die_reader_func,
void *data)
struct objfile *objfile = dwarf2_per_objfile->objfile;
struct dwarf2_section_info *section = this_cu->section;
bfd *abfd = get_section_bfd_owner (section);
+ struct dwarf2_section_info *abbrev_section;
struct dwarf2_cu cu;
const gdb_byte *begin_info_ptr, *info_ptr;
struct die_reader_specs reader;
gdb_assert (this_cu->cu == NULL);
+ abbrev_section = (dwo_file != NULL
+ ? &dwo_file->sections.abbrev
+ : get_abbrev_section_for_cu (this_cu));
+
/* This is cheap if the section is already read in. */
dwarf2_read_section (objfile, section);
die_reader_func_ftype *die_reader_func,
void *data)
{
- init_cutu_and_read_dies_no_follow (this_cu,
- get_abbrev_section_for_cu (this_cu),
- NULL,
- die_reader_func, data);
+ init_cutu_and_read_dies_no_follow (this_cu, NULL, die_reader_func, data);
}
\f
/* Type Unit Groups.
if (sibling_ptr < info_ptr)
complaint (&symfile_complaints,
_("DW_AT_sibling points backwards"));
+ else if (sibling_ptr > reader->buffer_end)
+ dwarf2_section_buffer_overflow_complaint (reader->die_section);
else
return sibling_ptr;
}
}
}
+/* Reset the in_process bit of a die. */
+
+static void
+reset_die_in_process (void *arg)
+{
+ struct die_info *die = arg;
+
+ die->in_process = 0;
+}
+
/* Process a die and its children. */
static void
process_die (struct die_info *die, struct dwarf2_cu *cu)
{
+ struct cleanup *in_process;
+
+ /* We should only be processing those not already in process. */
+ gdb_assert (!die->in_process);
+
+ die->in_process = 1;
+ in_process = make_cleanup (reset_die_in_process,die);
+
switch (die->tag)
{
case DW_TAG_padding:
new_symbol (die, NULL, cu);
break;
}
+
+ do_cleanups (in_process);
}
\f
/* DWARF name computation. */
per_cu.offset.sect_off = info_ptr - section->buffer;
per_cu.section = section;
- init_cutu_and_read_dies_no_follow (&per_cu,
- &dwo_file->sections.abbrev,
- dwo_file,
+ init_cutu_and_read_dies_no_follow (&per_cu, dwo_file,
create_dwo_cu_reader,
&create_dwo_cu_data);
if (offsetp >= offsets_end
|| offsetp->sect_off > origin_child_die->offset.sect_off)
{
- /* Found that ORIGIN_CHILD_DIE is really not referenced. */
- process_die (origin_child_die, origin_cu);
+ /* Found that ORIGIN_CHILD_DIE is really not referenced.
+ Check whether we're already processing ORIGIN_CHILD_DIE.
+ This can happen with mutually referenced abstract_origins.
+ PR 16581. */
+ if (!origin_child_die->in_process)
+ process_die (origin_child_die, origin_cu);
}
origin_child_die = sibling_die (origin_child_die);
}
die->offset.sect_off, objfile_name (objfile));
return;
}
- pc = DW_ADDR (attr) + baseaddr;
+ pc = attr_value_as_address (attr) + baseaddr;
if (cu->call_site_htab == NULL)
cu->call_site_htab = htab_create_alloc_ex (16, core_addr_hash, core_addr_eq,
attr = dwarf2_attr (die, DW_AT_low_pc, cu);
if (attr)
{
- low = DW_ADDR (attr);
- if (attr_high->form == DW_FORM_addr
- || attr_high->form == DW_FORM_GNU_addr_index)
- high = DW_ADDR (attr_high);
- else
- high = low + DW_UNSND (attr_high);
+ low = attr_value_as_address (attr);
+ high = attr_value_as_address (attr_high);
+ if (cu->header.version >= 4 && attr_form_is_constant (attr_high))
+ high += low;
}
else
/* Found high w/o low attribute. */
attr = dwarf2_attr (die, DW_AT_low_pc, cu);
if (attr)
{
- CORE_ADDR low = DW_ADDR (attr);
- CORE_ADDR high;
- if (attr_high->form == DW_FORM_addr
- || attr_high->form == DW_FORM_GNU_addr_index)
- high = DW_ADDR (attr_high);
- else
- high = low + DW_UNSND (attr_high);
+ CORE_ADDR low = attr_value_as_address (attr);
+ CORE_ADDR high = attr_value_as_address (attr_high);
+
+ if (cu->header.version >= 4 && attr_form_is_constant (attr_high))
+ high += low;
record_block_range (block, baseaddr + low, baseaddr + high - 1);
}
new_symbol (die, type, cu);
}
+/* Assuming DIE is an enumeration type, and TYPE is its associated type,
+ update TYPE using some information only available in DIE's children. */
+
+static void
+update_enumeration_type_from_children (struct die_info *die,
+ struct type *type,
+ struct dwarf2_cu *cu)
+{
+ struct obstack obstack;
+ struct die_info *child_die = die->child;
+ int unsigned_enum = 1;
+ int flag_enum = 1;
+ ULONGEST mask = 0;
+ struct cleanup *old_chain;
+
+ obstack_init (&obstack);
+ old_chain = make_cleanup_obstack_free (&obstack);
+
+ while (child_die != NULL && child_die->tag)
+ {
+ struct attribute *attr;
+ LONGEST value;
+ const gdb_byte *bytes;
+ struct dwarf2_locexpr_baton *baton;
+ const char *name;
+ if (child_die->tag != DW_TAG_enumerator)
+ continue;
+
+ attr = dwarf2_attr (child_die, DW_AT_const_value, cu);
+ if (attr == NULL)
+ continue;
+
+ name = dwarf2_name (child_die, cu);
+ if (name == NULL)
+ name = "<anonymous enumerator>";
+
+ dwarf2_const_value_attr (attr, type, name, &obstack, cu,
+ &value, &bytes, &baton);
+ if (value < 0)
+ {
+ unsigned_enum = 0;
+ flag_enum = 0;
+ }
+ else if ((mask & value) != 0)
+ flag_enum = 0;
+ else
+ mask |= value;
+
+ /* If we already know that the enum type is neither unsigned, nor
+ a flag type, no need to look at the rest of the enumerates. */
+ if (!unsigned_enum && !flag_enum)
+ break;
+ child_die = sibling_die (child_die);
+ }
+
+ if (unsigned_enum)
+ TYPE_UNSIGNED (type) = 1;
+ if (flag_enum)
+ TYPE_FLAG_ENUM (type) = 1;
+
+ do_cleanups (old_chain);
+}
+
/* Given a DW_AT_enumeration_type die, set its type. We do not
complete the type's fields yet, or create any symbols. */
if (name != NULL)
TYPE_TAG_NAME (type) = name;
+ attr = dwarf2_attr (die, DW_AT_type, cu);
+ if (attr != NULL)
+ {
+ struct type *underlying_type = die_type (die, cu);
+
+ TYPE_TARGET_TYPE (type) = underlying_type;
+ }
+
attr = dwarf2_attr (die, DW_AT_byte_size, cu);
if (attr)
{
if (die_is_declaration (die, cu))
TYPE_STUB (type) = 1;
+ /* Finish the creation of this type by using the enum's children.
+ We must call this even when the underlying type has been provided
+ so that we can determine if we're looking at a "flag" enum. */
+ update_enumeration_type_from_children (die, type, cu);
+
+ /* If this type has an underlying type that is not a stub, then we
+ may use its attributes. We always use the "unsigned" attribute
+ in this situation, because ordinarily we guess whether the type
+ is unsigned -- but the guess can be wrong and the underlying type
+ can tell us the reality. However, we defer to a local size
+ attribute if one exists, because this lets the compiler override
+ the underlying type if needed. */
+ if (TYPE_TARGET_TYPE (type) != NULL && !TYPE_STUB (TYPE_TARGET_TYPE (type)))
+ {
+ TYPE_UNSIGNED (type) = TYPE_UNSIGNED (TYPE_TARGET_TYPE (type));
+ if (TYPE_LENGTH (type) == 0)
+ TYPE_LENGTH (type) = TYPE_LENGTH (TYPE_TARGET_TYPE (type));
+ }
+
+ TYPE_DECLARED_CLASS (type) = dwarf2_flag_true_p (die, DW_AT_enum_class, cu);
+
return set_die_type (die, type, cu);
}
struct symbol *sym;
struct field *fields = NULL;
int num_fields = 0;
- int unsigned_enum = 1;
const char *name;
- int flag_enum = 1;
- ULONGEST mask = 0;
child_die = die->child;
while (child_die && child_die->tag)
if (name)
{
sym = new_symbol (child_die, this_type, cu);
- if (SYMBOL_VALUE (sym) < 0)
- {
- unsigned_enum = 0;
- flag_enum = 0;
- }
- else if ((mask & SYMBOL_VALUE (sym)) != 0)
- flag_enum = 0;
- else
- mask |= SYMBOL_VALUE (sym);
if ((num_fields % DW_FIELD_ALLOC_CHUNK) == 0)
{
sizeof (struct field) * num_fields);
xfree (fields);
}
- if (unsigned_enum)
- TYPE_UNSIGNED (this_type) = 1;
- if (flag_enum)
- TYPE_FLAG_ENUM (this_type) = 1;
}
/* If we are reading an enum from a .debug_types unit, and the enum
int ndim = 0;
struct cleanup *back_to;
const char *name;
+ unsigned int bit_stride = 0;
element_type = die_type (die, cu);
if (type)
return type;
+ attr = dwarf2_attr (die, DW_AT_byte_stride, cu);
+ if (attr != NULL)
+ bit_stride = DW_UNSND (attr) * 8;
+
+ attr = dwarf2_attr (die, DW_AT_bit_stride, cu);
+ if (attr != NULL)
+ bit_stride = DW_UNSND (attr);
+
/* Irix 6.2 native cc creates array types without children for
arrays with unspecified length. */
if (die->child == NULL)
{
index_type = objfile_type (objfile)->builtin_int;
- range_type = create_range_type (NULL, index_type, 0, -1);
- type = create_array_type (NULL, element_type, range_type);
+ range_type = create_static_range_type (NULL, index_type, 0, -1);
+ type = create_array_type_with_stride (NULL, element_type, range_type,
+ bit_stride);
return set_die_type (die, type, cu);
}
int i = 0;
while (i < ndim)
- type = create_array_type (NULL, type, range_types[i++]);
+ type = create_array_type_with_stride (NULL, type, range_types[i++],
+ bit_stride);
}
else
{
while (ndim-- > 0)
- type = create_array_type (NULL, type, range_types[ndim]);
+ type = create_array_type_with_stride (NULL, type, range_types[ndim],
+ bit_stride);
}
/* Understand Dwarf2 support for vector types (like they occur on
}
index_type = objfile_type (objfile)->builtin_int;
- range_type = create_range_type (NULL, index_type, 1, length);
+ range_type = create_static_range_type (NULL, index_type, 1, length);
char_type = language_string_char_type (cu->language_defn, gdbarch);
type = create_string_type (NULL, char_type, range_type);
return set_die_type (die, type, cu);
}
+/* Parse dwarf attribute if it's a block, reference or constant and put the
+ resulting value of the attribute into struct bound_prop.
+ Returns 1 if ATTR could be resolved into PROP, 0 otherwise. */
+
+static int
+attr_to_dynamic_prop (const struct attribute *attr, struct die_info *die,
+ struct dwarf2_cu *cu, struct dynamic_prop *prop)
+{
+ struct dwarf2_property_baton *baton;
+ struct obstack *obstack = &cu->objfile->objfile_obstack;
+
+ if (attr == NULL || prop == NULL)
+ return 0;
+
+ if (attr_form_is_block (attr))
+ {
+ baton = obstack_alloc (obstack, sizeof (*baton));
+ baton->referenced_type = NULL;
+ baton->locexpr.per_cu = cu->per_cu;
+ baton->locexpr.size = DW_BLOCK (attr)->size;
+ baton->locexpr.data = DW_BLOCK (attr)->data;
+ prop->data.baton = baton;
+ prop->kind = PROP_LOCEXPR;
+ gdb_assert (prop->data.baton != NULL);
+ }
+ else if (attr_form_is_ref (attr))
+ {
+ struct dwarf2_cu *target_cu = cu;
+ struct die_info *target_die;
+ struct attribute *target_attr;
+
+ target_die = follow_die_ref (die, attr, &target_cu);
+ target_attr = dwarf2_attr (target_die, DW_AT_location, target_cu);
+ if (target_attr == NULL)
+ return 0;
+
+ if (attr_form_is_section_offset (target_attr))
+ {
+ baton = obstack_alloc (obstack, sizeof (*baton));
+ baton->referenced_type = die_type (target_die, target_cu);
+ fill_in_loclist_baton (cu, &baton->loclist, target_attr);
+ prop->data.baton = baton;
+ prop->kind = PROP_LOCLIST;
+ gdb_assert (prop->data.baton != NULL);
+ }
+ else if (attr_form_is_block (target_attr))
+ {
+ baton = obstack_alloc (obstack, sizeof (*baton));
+ baton->referenced_type = die_type (target_die, target_cu);
+ baton->locexpr.per_cu = cu->per_cu;
+ baton->locexpr.size = DW_BLOCK (target_attr)->size;
+ baton->locexpr.data = DW_BLOCK (target_attr)->data;
+ prop->data.baton = baton;
+ prop->kind = PROP_LOCEXPR;
+ gdb_assert (prop->data.baton != NULL);
+ }
+ else
+ {
+ dwarf2_invalid_attrib_class_complaint ("DW_AT_location",
+ "dynamic property");
+ return 0;
+ }
+ }
+ else if (attr_form_is_constant (attr))
+ {
+ prop->data.const_val = dwarf2_get_attr_constant_value (attr, 0);
+ prop->kind = PROP_CONST;
+ }
+ else
+ {
+ dwarf2_invalid_attrib_class_complaint (dwarf_form_name (attr->form),
+ dwarf2_name (die, cu));
+ return 0;
+ }
+
+ return 1;
+}
+
/* Read the given DW_AT_subrange DIE. */
static struct type *
struct type *base_type, *orig_base_type;
struct type *range_type;
struct attribute *attr;
- LONGEST low, high;
+ struct dynamic_prop low, high;
int low_default_is_valid;
+ int high_bound_is_count = 0;
const char *name;
LONGEST negative_mask;
if (range_type)
return range_type;
+ low.kind = PROP_CONST;
+ high.kind = PROP_CONST;
+ high.data.const_val = 0;
+
/* Set LOW_DEFAULT_IS_VALID if current language and DWARF version allow
omitting DW_AT_lower_bound. */
switch (cu->language)
{
case language_c:
case language_cplus:
- low = 0;
+ low.data.const_val = 0;
low_default_is_valid = 1;
break;
case language_fortran:
- low = 1;
+ low.data.const_val = 1;
low_default_is_valid = 1;
break;
case language_d:
case language_java:
case language_objc:
- low = 0;
+ low.data.const_val = 0;
low_default_is_valid = (cu->header.version >= 4);
break;
case language_ada:
case language_m2:
case language_pascal:
- low = 1;
+ low.data.const_val = 1;
low_default_is_valid = (cu->header.version >= 4);
break;
default:
- low = 0;
+ low.data.const_val = 0;
low_default_is_valid = 0;
break;
}
but we don't know how to handle it. */
attr = dwarf2_attr (die, DW_AT_lower_bound, cu);
if (attr)
- low = dwarf2_get_attr_constant_value (attr, low);
+ low.data.const_val
+ = dwarf2_get_attr_constant_value (attr, low.data.const_val);
else if (!low_default_is_valid)
complaint (&symfile_complaints, _("Missing DW_AT_lower_bound "
"- DIE at 0x%x [in module %s]"),
die->offset.sect_off, objfile_name (cu->objfile));
attr = dwarf2_attr (die, DW_AT_upper_bound, cu);
- if (attr)
- {
- if (attr_form_is_block (attr) || attr_form_is_ref (attr))
- {
- /* GCC encodes arrays with unspecified or dynamic length
- with a DW_FORM_block1 attribute or a reference attribute.
- FIXME: GDB does not yet know how to handle dynamic
- arrays properly, treat them as arrays with unspecified
- length for now.
-
- FIXME: jimb/2003-09-22: GDB does not really know
- how to handle arrays of unspecified length
- either; we just represent them as zero-length
- arrays. Choose an appropriate upper bound given
- the lower bound we've computed above. */
- high = low - 1;
- }
- else
- high = dwarf2_get_attr_constant_value (attr, 1);
- }
- else
+ if (!attr_to_dynamic_prop (attr, die, cu, &high))
{
attr = dwarf2_attr (die, DW_AT_count, cu);
- if (attr)
- {
- int count = dwarf2_get_attr_constant_value (attr, 1);
- high = low + count - 1;
- }
- else
+ if (attr_to_dynamic_prop (attr, die, cu, &high))
{
- /* Unspecified array length. */
- high = low - 1;
+ /* If bounds are constant do the final calculation here. */
+ if (low.kind == PROP_CONST && high.kind == PROP_CONST)
+ high.data.const_val = low.data.const_val + high.data.const_val - 1;
+ else
+ high_bound_is_count = 1;
}
}
}
}
+ /* Normally, the DWARF producers are expected to use a signed
+ constant form (Eg. DW_FORM_sdata) to express negative bounds.
+ But this is unfortunately not always the case, as witnessed
+ with GCC, for instance, where the ambiguous DW_FORM_dataN form
+ is used instead. To work around that ambiguity, we treat
+ the bounds as signed, and thus sign-extend their values, when
+ the base type is signed. */
negative_mask =
(LONGEST) -1 << (TYPE_LENGTH (base_type) * TARGET_CHAR_BIT - 1);
- if (!TYPE_UNSIGNED (base_type) && (low & negative_mask))
- low |= negative_mask;
- if (!TYPE_UNSIGNED (base_type) && (high & negative_mask))
- high |= negative_mask;
+ if (low.kind == PROP_CONST
+ && !TYPE_UNSIGNED (base_type) && (low.data.const_val & negative_mask))
+ low.data.const_val |= negative_mask;
+ if (high.kind == PROP_CONST
+ && !TYPE_UNSIGNED (base_type) && (high.data.const_val & negative_mask))
+ high.data.const_val |= negative_mask;
- range_type = create_range_type (NULL, orig_base_type, low, high);
+ range_type = create_range_type (NULL, orig_base_type, &low, &high);
- /* Mark arrays with dynamic length at least as an array of unspecified
- length. GDB could check the boundary but before it gets implemented at
- least allow accessing the array elements. */
- if (attr && attr_form_is_block (attr))
- TYPE_HIGH_BOUND_UNDEFINED (range_type) = 1;
+ if (high_bound_is_count)
+ TYPE_RANGE_DATA (range_type)->flag_upper_bound_is_count = 1;
/* Ada expects an empty array on no boundary attributes. */
if (attr == NULL && cu->language != language_ada)
- TYPE_HIGH_BOUND_UNDEFINED (range_type) = 1;
+ TYPE_HIGH_BOUND_KIND (range_type) = PROP_UNDEFINED;
name = dwarf2_name (die, cu);
if (name)
break;
case DW_AT_low_pc:
has_low_pc_attr = 1;
- part_die->lowpc = DW_ADDR (&attr);
+ part_die->lowpc = attr_value_as_address (&attr);
break;
case DW_AT_high_pc:
has_high_pc_attr = 1;
- if (attr.form == DW_FORM_addr
- || attr.form == DW_FORM_GNU_addr_index)
- part_die->highpc = DW_ADDR (&attr);
- else
- {
- high_pc_relative = 1;
- part_die->highpc = DW_UNSND (&attr);
- }
+ part_die->highpc = attr_value_as_address (&attr);
+ if (cu->header.version >= 4 && attr_form_is_constant (&attr))
+ high_pc_relative = 1;
break;
case DW_AT_location:
/* Support the .debug_loc offsets. */
if (sibling_ptr < info_ptr)
complaint (&symfile_complaints,
_("DW_AT_sibling points backwards"));
+ else if (sibling_ptr > reader->buffer_end)
+ dwarf2_section_buffer_overflow_complaint (reader->die_section);
else
part_die->sibling = sibling_ptr;
}
ULONGEST str_index =
read_unsigned_leb128 (abfd, info_ptr, &bytes_read);
- DW_STRING (attr) = read_str_index (reader, cu, str_index);
+ DW_STRING (attr) = read_str_index (reader, str_index);
DW_STRING_IS_CANONICAL (attr) = 0;
info_ptr += bytes_read;
}
This is only used by the Fission support. */
static const char *
-read_str_index (const struct die_reader_specs *reader,
- struct dwarf2_cu *cu, ULONGEST str_index)
+read_str_index (const struct die_reader_specs *reader, ULONGEST str_index)
{
struct objfile *objfile = dwarf2_per_objfile->objfile;
- const char *dwo_name = objfile_name (objfile);
+ const char *objf_name = objfile_name (objfile);
bfd *abfd = objfile->obfd;
+ struct dwarf2_cu *cu = reader->cu;
struct dwarf2_section_info *str_section = &reader->dwo_file->sections.str;
struct dwarf2_section_info *str_offsets_section =
&reader->dwo_file->sections.str_offsets;
if (str_section->buffer == NULL)
error (_("%s used without .debug_str.dwo section"
" in CU at offset 0x%lx [in module %s]"),
- form_name, (long) cu->header.offset.sect_off, dwo_name);
+ form_name, (long) cu->header.offset.sect_off, objf_name);
if (str_offsets_section->buffer == NULL)
error (_("%s used without .debug_str_offsets.dwo section"
" in CU at offset 0x%lx [in module %s]"),
- form_name, (long) cu->header.offset.sect_off, dwo_name);
+ form_name, (long) cu->header.offset.sect_off, objf_name);
if (str_index * cu->header.offset_size >= str_offsets_section->size)
error (_("%s pointing outside of .debug_str_offsets.dwo"
" section in CU at offset 0x%lx [in module %s]"),
- form_name, (long) cu->header.offset.sect_off, dwo_name);
+ form_name, (long) cu->header.offset.sect_off, objf_name);
info_ptr = (str_offsets_section->buffer
+ str_index * cu->header.offset_size);
if (cu->header.offset_size == 4)
if (str_offset >= str_section->size)
error (_("Offset from %s pointing outside of"
" .debug_str.dwo section in CU at offset 0x%lx [in module %s]"),
- form_name, (long) cu->header.offset.sect_off, dwo_name);
+ form_name, (long) cu->header.offset.sect_off, objf_name);
return (const char *) (str_section->buffer + str_offset);
}
case DW_TAG_label:
attr = dwarf2_attr (die, DW_AT_low_pc, cu);
if (attr)
- {
- SYMBOL_VALUE_ADDRESS (sym) = DW_ADDR (attr) + baseaddr;
- }
+ SYMBOL_VALUE_ADDRESS (sym)
+ = attr_value_as_address (attr) + baseaddr;
SYMBOL_TYPE (sym) = objfile_type (objfile)->builtin_core_addr;
SYMBOL_DOMAIN (sym) = LABEL_DOMAIN;
SYMBOL_ACLASS_INDEX (sym) = LOC_LABEL;
return name;
}
return "";
+ case DW_TAG_enumeration_type:
+ parent_type = read_type_die (parent, cu);
+ if (TYPE_DECLARED_CLASS (parent_type))
+ {
+ if (TYPE_TAG_NAME (parent_type) != NULL)
+ return TYPE_TAG_NAME (parent_type);
+ return "";
+ }
+ /* Fall through. */
default:
return determine_prefix (parent, cu);
}
projects / deliverable / binutils-gdb.git / blobdiff