/tmp/gdb-8.1/gdb/dwarf2expr.c File Reference

#include "defs.h"
#include "symtab.h"
#include "gdbtypes.h"
#include "value.h"
#include "gdbcore.h"
#include "dwarf2.h"
#include "dwarf2expr.h"
#include "dwarf2loc.h"
#include "common/underlying.h"

Go to the source code of this file.

Classes
struct	dwarf_gdbarch_types

Functions
static void *	dwarf_gdbarch_types_init (struct gdbarch *gdbarch)
static void	dwarf_require_integral (struct type *type)
static struct type *	get_unsigned_type (struct gdbarch *gdbarch, struct type *type)
static struct type *	get_signed_type (struct gdbarch *gdbarch, struct type *type)
const gdb_byte *	safe_read_uleb128 (const gdb_byte *buf, const gdb_byte *buf_end, uint64_t *r)
const gdb_byte *	safe_read_sleb128 (const gdb_byte *buf, const gdb_byte *buf_end, int64_t *r)
const gdb_byte *	safe_skip_leb128 (const gdb_byte *buf, const gdb_byte *buf_end)
void	dwarf_expr_require_composition (const gdb_byte *op_ptr, const gdb_byte *op_end, const char *op_name)
static int	base_types_equal_p (struct type *t1, struct type *t2)
int	dwarf_block_to_dwarf_reg (const gdb_byte *buf, const gdb_byte *buf_end)
int	dwarf_block_to_dwarf_reg_deref (const gdb_byte *buf, const gdb_byte *buf_end, CORE_ADDR *deref_size_return)
int	dwarf_block_to_fb_offset (const gdb_byte *buf, const gdb_byte *buf_end, CORE_ADDR *fb_offset_return)
int	dwarf_block_to_sp_offset (struct gdbarch *gdbarch, const gdb_byte *buf, const gdb_byte *buf_end, CORE_ADDR *sp_offset_return)
void	_initialize_dwarf2expr (void)

Variables
static struct gdbarch_data *	dwarf_arch_cookie

Function Documentation

_initialize_dwarf2expr()

void _initialize_dwarf2expr

(

void

)

Definition at line 1410 of file dwarf2expr.c.

References dwarf_gdbarch_types_init(), and gdbarch_data_register_post_init().

base_types_equal_p()

static int base_types_equal_p ( struct type *  t1, struct type *  t2  )

static

Definition at line 363 of file dwarf2expr.c.

References TYPE_CODE, TYPE_LENGTH, and TYPE_UNSIGNED.

Referenced by dwarf_expr_context::execute_stack_op().

dwarf_block_to_dwarf_reg()

int dwarf_block_to_dwarf_reg	(	const gdb_byte *	buf,
		const gdb_byte *	buf_end
	)

Definition at line 376 of file dwarf2expr.c.

References gdb_read_uleb128(), and gdb_skip_leb128().

Referenced by dwarf_expr_context::execute_stack_op(), read_call_site_scope(), and value_of_dwarf_block_entry().

dwarf_block_to_dwarf_reg_deref()

int dwarf_block_to_dwarf_reg_deref	(	const gdb_byte *	buf,
		const gdb_byte *	buf_end,
		CORE_ADDR *	deref_size_return
	)

Definition at line 419 of file dwarf2expr.c.

References gdb_read_sleb128(), gdb_read_uleb128(), and offset.

Referenced by dwarf_expr_context::execute_stack_op().

dwarf_block_to_fb_offset()

int dwarf_block_to_fb_offset	(	const gdb_byte *	buf,
		const gdb_byte *	buf_end,
		CORE_ADDR *	fb_offset_return
	)

Definition at line 478 of file dwarf2expr.c.

References gdb_read_sleb128().

Referenced by value_of_dwarf_block_entry().

dwarf_block_to_sp_offset()

int dwarf_block_to_sp_offset	(	struct gdbarch *	gdbarch,
		const gdb_byte *	buf,
		const gdb_byte *	buf_end,
		CORE_ADDR *	sp_offset_return
	)

Definition at line 505 of file dwarf2expr.c.

References dwarf_reg_to_regnum(), gdb_read_sleb128(), gdb_read_uleb128(), and gdbarch_sp_regnum().

Referenced by read_call_site_scope().

dwarf_expr_require_composition()

void dwarf_expr_require_composition	(	const gdb_byte *	op_ptr,
		const gdb_byte *	op_end,
		const char *	op_name
	)

Definition at line 347 of file dwarf2expr.c.

References _, error(), and op_name().

Referenced by do_compile_dwarf_expr_to_c(), dwarf2_compile_expr_to_ax(), and dwarf_expr_context::execute_stack_op().

dwarf_gdbarch_types_init()

static void* dwarf_gdbarch_types_init ( struct gdbarch *  gdbarch )

static

Definition at line 47 of file dwarf2expr.c.

References GDBARCH_OBSTACK_ZALLOC.

Referenced by _initialize_dwarf2expr().

dwarf_require_integral()

static void dwarf_require_integral ( struct type *  type )

static

Definition at line 146 of file dwarf2expr.c.

References _, error(), TYPE_CODE, TYPE_CODE_BOOL, TYPE_CODE_CHAR, and TYPE_CODE_INT.

Referenced by dwarf_expr_context::execute_stack_op(), and dwarf_expr_context::fetch_address().

get_signed_type()

static struct type* get_signed_type ( struct gdbarch *  gdbarch, struct type *  type  )

static

Definition at line 180 of file dwarf2expr.c.

References _, builtin_type::builtin_int16, builtin_type::builtin_int32, builtin_type::builtin_int64, builtin_type::builtin_int8, builtin_type(), error(), and TYPE_LENGTH.

Referenced by dwarf_expr_context::execute_stack_op().

get_unsigned_type()

static struct type* get_unsigned_type ( struct gdbarch *  gdbarch, struct type *  type  )

static

Definition at line 158 of file dwarf2expr.c.

References _, builtin_type(), builtin_type::builtin_uint16, builtin_type::builtin_uint32, builtin_type::builtin_uint64, builtin_type::builtin_uint8, error(), and TYPE_LENGTH.

Referenced by dwarf_expr_context::execute_stack_op(), and dwarf_expr_context::fetch_address().

safe_read_sleb128()

const gdb_byte* safe_read_sleb128	(	const gdb_byte *	buf,
		const gdb_byte *	buf_end,
		int64_t *	r
	)

Definition at line 323 of file dwarf2expr.c.

References _, error(), and gdb_read_sleb128().

Referenced by compute_stack_depth_worker(), disassemble_dwarf_expression(), do_compile_dwarf_expr_to_c(), dwarf2_compile_expr_to_ax(), execute_cfa_program(), dwarf_expr_context::execute_stack_op(), locexpr_describe_location_piece(), and read_encoded_value().

safe_read_uleb128()

const gdb_byte* safe_read_uleb128	(	const gdb_byte *	buf,
		const gdb_byte *	buf_end,
		uint64_t *	r
	)

Definition at line 311 of file dwarf2expr.c.

References _, error(), and gdb_read_uleb128().

Referenced by compute_stack_depth_worker(), disassemble_dwarf_expression(), do_compile_dwarf_expr_to_c(), dwarf2_compile_expr_to_ax(), execute_cfa_program(), dwarf_expr_context::execute_stack_op(), locexpr_describe_location_1(), locexpr_describe_location_piece(), and read_encoded_value().

safe_skip_leb128()

const gdb_byte* safe_skip_leb128	(	const gdb_byte *	buf,
		const gdb_byte *	buf_end
	)

Definition at line 333 of file dwarf2expr.c.

References _, error(), and gdb_skip_leb128().

Referenced by skip_one_die().

Variable Documentation

dwarf_arch_cookie

struct gdbarch_data* dwarf_arch_cookie

static

Definition at line 34 of file dwarf2expr.c.

Referenced by dwarf_expr_context::address_type().