#endif
}
+/* A helper function that decides whether a section is empty. */
+
+static int
+dwarf2_section_empty_p (struct dwarf2_section_info *info)
+{
+ return info->asection == NULL || info->size == 0;
+}
+
/* Read the contents of the section SECTP from object file specified by
OBJFILE, store info about the section into INFO.
If the section is compressed, uncompress it before returning. */
info->was_mmapped = 0;
info->readin = 1;
- if (info->asection == NULL || info->size == 0)
+ if (dwarf2_section_empty_p (info))
return;
/* Check if the file has a 4-byte header indicating compression. */
bfd_get_filename (abfd));
}
+/* A helper function that returns the size of a section in a safe way.
+ If you are positive that the section has been read before using the
+ size, then it is safe to refer to the dwarf2_section_info object's
+ "size" field directly. In other cases, you must call this
+ function, because for compressed sections the size field is not set
+ correctly until the section has been read. */
+
+static bfd_size_type
+dwarf2_section_size (struct objfile *objfile,
+ struct dwarf2_section_info *info)
+{
+ if (!info->readin)
+ dwarf2_read_section (objfile, info);
+ return info->size;
+}
+
/* Fill in SECTP, BUFP and SIZEP with section info, given OBJFILE and
SECTION_NAME. */
else
gdb_assert_not_reached ("unexpected section");
- if (info->asection != NULL && info->size != 0 && info->buffer == NULL)
- /* We haven't read this section in yet. Do it now. */
- dwarf2_read_section (objfile, info);
+ dwarf2_read_section (objfile, info);
*sectp = info->asection;
*bufp = info->buffer;
offset_type types_list_elements = 0;
int i;
- if (dwarf2_per_objfile->gdb_index.asection == NULL
- || dwarf2_per_objfile->gdb_index.size == 0)
+ if (dwarf2_section_empty_p (&dwarf2_per_objfile->gdb_index))
return 0;
/* Older elfutils strip versions could keep the section in the main
if (this_cu->from_debug_types)
info_ptr += 8 /*signature*/ + cu.header.offset_size;
init_cu_die_reader (&reader_specs, &cu);
- info_ptr = read_full_die (&reader_specs, &comp_unit_die, info_ptr,
- &has_children);
+ read_full_die (&reader_specs, &comp_unit_die, info_ptr,
+ &has_children);
lh = NULL;
slot = NULL;
"(is %d, should be 2, 3, or 4) [in module %s]"), header->version,
bfd_get_filename (abfd));
- if (header->abbrev_offset >= dwarf2_per_objfile->abbrev.size)
+ if (header->abbrev_offset
+ >= dwarf2_section_size (dwarf2_per_objfile->objfile,
+ &dwarf2_per_objfile->abbrev))
error (_("Dwarf Error: bad offset (0x%lx) in compilation unit header "
"(offset 0x%lx + 6) [in module %s]"),
(long) header->abbrev_offset,
return 0;
}
+ if (range_beginning > range_end)
+ {
+ /* Inverted range entries are invalid. */
+ complaint (&symfile_complaints,
+ _("Invalid .debug_ranges data (inverted range)"));
+ return 0;
+ }
+
+ /* Empty range entries have no effect. */
+ if (range_beginning == range_end)
+ continue;
+
range_beginning += base;
range_end += base;
- if (ranges_pst != NULL && range_beginning < range_end)
+ if (ranges_pst != NULL)
addrmap_set_empty (objfile->psymtabs_addrmap,
range_beginning + baseaddr,
range_end - 1 + baseaddr,
return;
}
+ if (start > end)
+ {
+ /* Inverted range entries are invalid. */
+ complaint (&symfile_complaints,
+ _("Invalid .debug_ranges data "
+ "(inverted range)"));
+ return;
+ }
+
+ /* Empty range entries have no effect. */
+ if (start == end)
+ continue;
+
record_block_range (block,
baseaddr + base + start,
baseaddr + base + end - 1);
struct dwarf2_cu *cu)
{
struct objfile *objfile = cu->objfile;
- struct gdbarch *gdbarch = get_objfile_arch (objfile);
struct typedef_field_list *new_field;
struct attribute *attr;
struct typedef_field *fp;
read_namespace (struct die_info *die, struct dwarf2_cu *cu)
{
struct objfile *objfile = cu->objfile;
- const char *name;
int is_anonymous;
/* Add a symbol associated to this if we haven't seen the namespace
type = read_type_die (die, cu);
new_symbol (die, type, cu);
- name = namespace_name (die, &is_anonymous, cu);
+ namespace_name (die, &is_anonymous, cu);
if (is_anonymous)
{
const char *previous_prefix = determine_prefix (die, cu);
the subroutine die. Otherwise set the calling convention to
the default value DW_CC_normal. */
attr = dwarf2_attr (die, DW_AT_calling_convention, cu);
- TYPE_CALLING_CONVENTION (ftype) = attr ? DW_UNSND (attr) : DW_CC_normal;
+ if (attr)
+ TYPE_CALLING_CONVENTION (ftype) = DW_UNSND (attr);
+ else if (cu->producer && strstr (cu->producer, "IBM XL C for OpenCL"))
+ TYPE_CALLING_CONVENTION (ftype) = DW_CC_GDB_IBM_OpenCL;
+ else
+ TYPE_CALLING_CONVENTION (ftype) = DW_CC_normal;
/* We need to add the subroutine type to the die immediately so
we don't infinitely recurse when dealing with parameters
address increment value corresponding to special opcode
255. I.e., this value is scaled by the minimum
instruction length since special opcode 255 would have
- scaled the the increment. */
+ scaled the increment. */
case DW_LNS_const_add_pc:
{
CORE_ADDR adjust = (255 - lh->opcode_base) / lh->line_range;
/* Convert a DWARF stack opcode into its string name. */
const char *
-dwarf_stack_op_name (unsigned op, int def)
+dwarf_stack_op_name (unsigned op)
{
switch (op)
{
case DW_OP_GNU_implicit_pointer:
return "DW_OP_GNU_implicit_pointer";
default:
- return def ? "OP_<unknown>" : NULL;
+ return NULL;
}
}
break;
default:
- complaint (&symfile_complaints, _("unsupported stack op: '%s'"),
- dwarf_stack_op_name (op, 1));
+ {
+ const char *name = dwarf_stack_op_name (op);
+
+ if (name)
+ complaint (&symfile_complaints, _("unsupported stack op: '%s'"),
+ name);
+ else
+ complaint (&symfile_complaints, _("unsupported stack op: '%02x'"),
+ op);
+ }
+
return (stack[stacki]);
}
{
unsigned int bytes_read;
int constant;
- char *string;
constant = read_unsigned_leb128 (abfd, mac_ptr, &bytes_read);
mac_ptr += bytes_read;
- string = read_direct_string (abfd, mac_ptr, &bytes_read);
+ read_direct_string (abfd, mac_ptr, &bytes_read);
mac_ptr += bytes_read;
/* We don't recognize any vendor extensions. */
/* ".debug_loc" may not exist at all, or the offset may be outside
the section. If so, fall through to the complaint in the
other branch. */
- && DW_UNSND (attr) < dwarf2_per_objfile->loc.size)
+ && DW_UNSND (attr) < dwarf2_section_size (dwarf2_per_objfile->objfile,
+ &dwarf2_per_objfile->loc))
{
struct dwarf2_loclist_baton *baton;
projects / deliverable / binutils-gdb.git / blobdiff