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Code cleanupp: Use cu_offset and sect_offset compile time type checking.
	* dwarf2expr.c (add_piece, dwarf_get_base_type, execute_stack_op)
	(ctx_no_dwarf_call, ctx_no_get_base_type): Use cu_offset and
	sect_offset.
	* dwarf2expr.h (cu_offset, sect_offset): New types.
	(struct dwarf_expr_context_funcs) <dwarf_call>
	(struct dwarf_expr_context_funcs) <get_base_type>: Use cu_offset and
	sect_offset.
	(struct dwarf_expr_context) <len>: Improve the comment.
	(struct dwarf_expr_piece, ctx_no_dwarf_call, ctx_no_get_base_type): Use
	cu_offset and sect_offset.
	* dwarf2loc.c (per_cu_dwarf_call, dwarf_expr_dwarf_call)
	(dwarf_expr_get_base_type, needs_frame_dwarf_call)
	(dwarf2_compile_expr_to_ax, disassemble_dwarf_expression): Likewise.
	* dwarf2loc.h: Include dwarf2expr.h.
	(dwarf2_fetch_die_location_block, dwarf2_get_die_type): Use cu_offset
	and sect_offset.
	* dwarf2read.c (struct dwarf2_per_objfile) <debug_types_type_hash>:
	Improve the comment.
	(struct comp_unit_head, struct dwarf2_cu, struct dwarf2_per_cu_data)
	(struct signatured_type, struct line_header, struct partial_die_info)
	(struct die_info, find_partial_die, dwarf2_get_ref_die_offset)
	(lookup_signatured_type_at_offset, dwarf2_find_containing_comp_unit)
	(get_die_type_at_offset, create_cus_from_index)
	(create_signatured_type_table_from_index, dw2_get_file_names)
	(offset_in_cu_p, read_comp_unit_head, error_check_comp_unit_head)
	(read_and_check_comp_unit_head, read_and_check_type_unit_head)
	(create_debug_types_hash_table, process_psymtab_comp_unit)
	(load_partial_comp_unit, create_all_comp_units)
	(partial_die_parent_scope, partial_die_full_name, skip_one_die)
	(load_full_comp_unit, dwarf2_physname, read_import_statement)
	(inherit_abstract_dies, read_func_scope, read_call_site_scope)
	(dwarf2_add_member_fn, process_enumeration_scope, read_module_type)
	(read_typedef, die_hash, die_eq, read_full_die, dwarf2_read_abbrevs)
	(load_partial_dies, read_partial_die, find_partial_die_in_comp_unit)
	(find_partial_die, read_attribute_value, lookup_die_type)
	(dump_die_shallow, store_in_ref_table): Use cu_offset and sect_offset.
	(is_ref_attr): New function comment.
	(dwarf2_get_ref_die_offset): New function comment, new variable retval.
	Use cu_offset and sect_offset.
	(follow_die_offset, follow_die_ref, dwarf2_fetch_die_location_block)
	(dwarf2_get_die_type, follow_die_sig, lookup_signatured_type_at_offset)
	(load_full_type_unit, read_signatured_type, per_cu_header_read_in)
	(dwarf2_find_containing_comp_unit, struct dwarf2_offset_and_type)
	(offset_and_type_hash, offset_and_type_eq, set_die_type)
	(get_die_type_at_offset, partial_die_hash, partial_die_eq)
	(write_one_signatured_type, write_psymtabs_to_index): Use cu_offset and
	sect_offset.
This commit is contained in:
Jan Kratochvil
2012-03-19 19:59:19 +00:00
parent 2e98ca5343
commit b64f50a1ae
6 changed files with 334 additions and 212 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
gdb/dwarf2expr.h
View File

@ -25,6 +25,18 @@
struct dwarf_expr_context;
/* Offset relative to the start of its containing CU (compilation unit). */
typedef struct
{
unsigned int cu_off;
} cu_offset;
/* Offset relative to the start of its .debug_info or .debug_types section. */
typedef struct
{
unsigned int sect_off;
} sect_offset;
/* Virtual method table for struct dwarf_expr_context below. */
struct dwarf_expr_context_funcs
@ -53,14 +65,14 @@ struct dwarf_expr_context_funcs
/* Execute DW_AT_location expression for the DWARF expression subroutine in
the DIE at DIE_OFFSET in the CU from CTX. Do not touch STACK while it
being passed to and returned from the called DWARF subroutine. */
void (*dwarf_call) (struct dwarf_expr_context *ctx, size_t die_offset);
void (*dwarf_call) (struct dwarf_expr_context *ctx, cu_offset die_offset);
/* Return the base type given by the indicated DIE. This can throw
an exception if the DIE is invalid or does not represent a base
type. If can also be NULL in the special case where the
callbacks are not performing evaluation, and thus it is
meaningful to substitute a stub type of the correct size. */
struct type *(*get_base_type) (struct dwarf_expr_context *ctx, size_t die);
struct type *(*get_base_type) (struct dwarf_expr_context *ctx, cu_offset die);
/* Push on DWARF stack an entry evaluated for DW_TAG_GNU_call_site's
DWARF_REG/FB_OFFSET at the caller of specified BATON. If DWARF register
@ -160,7 +172,7 @@ struct dwarf_expr_context
/* For DWARF_VALUE_LITERAL, the current literal value's length and
data. For DWARF_VALUE_IMPLICIT_POINTER, LEN is the offset of the
target DIE. */
target DIE of cu_offset kind. */
ULONGEST len;
const gdb_byte *data;
@ -231,7 +243,7 @@ struct dwarf_expr_piece
struct
{
/* The referent DIE from DW_OP_GNU_implicit_pointer. */
ULONGEST die;
cu_offset die;
/* The byte offset into the resulting data. */
LONGEST offset;
} ptr;
@ -275,8 +287,9 @@ void ctx_no_get_frame_base (void *baton, const gdb_byte **start,
CORE_ADDR ctx_no_get_frame_cfa (void *baton);
CORE_ADDR ctx_no_get_frame_pc (void *baton);
CORE_ADDR ctx_no_get_tls_address (void *baton, CORE_ADDR offset);
void ctx_no_dwarf_call (struct dwarf_expr_context *ctx, size_t die_offset);
struct type *ctx_no_get_base_type (struct dwarf_expr_context *ctx, size_t die);
void ctx_no_dwarf_call (struct dwarf_expr_context *ctx, cu_offset die_offset);
struct type *ctx_no_get_base_type (struct dwarf_expr_context *ctx,
cu_offset die);
void ctx_no_push_dwarf_reg_entry_value (struct dwarf_expr_context *ctx,
int dwarf_reg, CORE_ADDR fb_offset,
int deref_size);