#include "leb128.h"
#include "gdbtypes.h"

Classes
struct	dwarf_expr_context_funcs
struct	dwarf_stack_value
struct	dwarf_expr_context
struct	dwarf_expr_piece
Enumerations
enum	dwarf_value_location { DWARF_VALUE_MEMORY, DWARF_VALUE_REGISTER, DWARF_VALUE_STACK, DWARF_VALUE_LITERAL, DWARF_VALUE_OPTIMIZED_OUT, DWARF_VALUE_IMPLICIT_POINTER }
Functions
struct dwarf_expr_context *	new_dwarf_expr_context (void)
void	free_dwarf_expr_context (struct dwarf_expr_context *ctx)
struct cleanup *	make_cleanup_free_dwarf_expr_context (struct dwarf_expr_context *ctx)
void	dwarf_expr_push_address (struct dwarf_expr_context *ctx, CORE_ADDR value, int in_stack_memory)
void	dwarf_expr_eval (struct dwarf_expr_context ctx, const gdb_byte addr, size_t len)
struct value *	dwarf_expr_fetch (struct dwarf_expr_context *ctx, int n)
CORE_ADDR	dwarf_expr_fetch_address (struct dwarf_expr_context *ctx, int n)
int	dwarf_expr_fetch_in_stack_memory (struct dwarf_expr_context *ctx, int n)
void	dwarf_expr_require_composition (const gdb_byte , const gdb_byte , const char *)
void	ctx_no_get_frame_base (void baton, const gdb_byte start, size_t length)
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, 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, enum call_site_parameter_kind kind, union call_site_parameter_u kind_u, int deref_size)
CORE_ADDR	ctx_no_get_addr_index (void *baton, unsigned int index)
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)
static const gdb_byte *	gdb_read_uleb128 (const gdb_byte buf, const gdb_byte buf_end, uint64_t *r)
static const gdb_byte *	gdb_read_sleb128 (const gdb_byte buf, const gdb_byte buf_end, int64_t *r)
static const gdb_byte *	gdb_skip_leb128 (const gdb_byte buf, const gdb_byte buf_end)
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)

Enumeration Type Documentation

enum dwarf_value_location

Enumerator:

DWARF_VALUE_MEMORY
DWARF_VALUE_REGISTER
DWARF_VALUE_STACK
DWARF_VALUE_LITERAL
DWARF_VALUE_OPTIMIZED_OUT
DWARF_VALUE_IMPLICIT_POINTER

Definition at line 89 of file dwarf2expr.h.

Function Documentation

void ctx_no_dwarf_call	(	struct dwarf_expr_context *	ctx,
		cu_offset	die_offset
	)

Definition at line 1539 of file dwarf2expr.c.

References _, and error().

CORE_ADDR ctx_no_get_addr_index	(	void *	baton,
		unsigned int	index
	)

Definition at line 1568 of file dwarf2expr.c.

References _, and error().

struct type* ctx_no_get_base_type	(	struct dwarf_expr_context *	ctx,
		cu_offset	die
	)		`[read]`

Definition at line 1547 of file dwarf2expr.c.

References _, and error().

void ctx_no_get_frame_base	(	void *	baton,
		const gdb_byte **	start,
		size_t *	length
	)

Definition at line 1507 of file dwarf2expr.c.

References _, and error().

CORE_ADDR ctx_no_get_frame_cfa ( void * baton )

Definition at line 1515 of file dwarf2expr.c.

References _, and error().

CORE_ADDR ctx_no_get_frame_pc ( void * baton )

Definition at line 1523 of file dwarf2expr.c.

References _, and error().

CORE_ADDR ctx_no_get_tls_address	(	void *	baton,
		CORE_ADDR	offset
	)

Definition at line 1531 of file dwarf2expr.c.

References _, and error().

void ctx_no_push_dwarf_reg_entry_value	(	struct dwarf_expr_context *	ctx,
		enum call_site_parameter_kind	kind,
		union call_site_parameter_u	kind_u,
		int	deref_size
	)

Definition at line 1556 of file dwarf2expr.c.

References _, and internal_error().

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

Definition at line 465 of file dwarf2expr.c.

References gdb_read_uleb128(), and gdb_skip_leb128().

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

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

Definition at line 508 of file dwarf2expr.c.

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

Referenced by execute_stack_op().

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

Definition at line 567 of file dwarf2expr.c.

References gdb_read_sleb128(), and LONGEST.

Referenced by value_of_dwarf_block_entry().

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 594 of file dwarf2expr.c.

References gdb_read_sleb128(), gdb_read_uleb128(), gdbarch_dwarf2_reg_to_regnum(), gdbarch_sp_regnum(), and LONGEST.

Referenced by read_call_site_scope().

void dwarf_expr_eval	(	struct dwarf_expr_context *	ctx,
		const gdb_byte *	addr,
		size_t	len
	)

Definition at line 359 of file dwarf2expr.c.

References execute_stack_op(), gdb_assert, and dwarf_expr_context::recursion_depth.

Referenced by dwarf2_evaluate_loc_desc_full(), dwarf2_loc_desc_needs_frame(), dwarf_expr_push_dwarf_reg_entry_value(), execute_stack_op(), and per_cu_dwarf_call().

struct value* dwarf_expr_fetch	(	struct dwarf_expr_context *	ctx,
		int	n
	)		`[read]`

Definition at line 189 of file dwarf2expr.c.

References _, error(), dwarf_expr_context::stack, and dwarf_expr_context::stack_len.

Referenced by add_piece(), dwarf2_evaluate_loc_desc_full(), dwarf_expr_fetch_address(), and execute_stack_op().

CORE_ADDR dwarf_expr_fetch_address	(	struct dwarf_expr_context *	ctx,
		int	n
	)

Definition at line 256 of file dwarf2expr.c.

References dwarf_expr_context::addr_size, dwarf_expr_fetch(), dwarf_require_integral(), extract_unsigned_integer(), dwarf_expr_context::gdbarch, gdbarch_byte_order(), gdbarch_integer_to_address(), gdbarch_integer_to_address_p(), get_unsigned_type(), store_unsigned_integer(), TYPE_LENGTH, ULONGEST, value_contents(), and value_type().

Referenced by add_piece(), dwarf2_evaluate_loc_desc_full(), and execute_stack_op().

int dwarf_expr_fetch_in_stack_memory	(	struct dwarf_expr_context *	ctx,
		int	n
	)

Definition at line 289 of file dwarf2expr.c.

References _, error(), dwarf_expr_context::stack, and dwarf_expr_context::stack_len.

Referenced by add_piece(), dwarf2_evaluate_loc_desc_full(), and execute_stack_op().

void dwarf_expr_push_address	(	struct dwarf_expr_context *	ctx,
		CORE_ADDR	value,
		int	in_stack_memory
	)

Definition at line 168 of file dwarf2expr.c.

References dwarf_expr_address_type(), dwarf_expr_push(), and value_from_ulongest().

Referenced by execute_stack_op(), and needs_dwarf_reg_entry_value().

void dwarf_expr_require_composition	(	const gdb_byte *	,
		const gdb_byte *	,
		const char *
	)

Definition at line 409 of file dwarf2expr.c.

References _, and error().

Referenced by dwarf2_compile_expr_to_ax(), and execute_stack_op().

void free_dwarf_expr_context ( struct dwarf_expr_context * ctx )

Definition at line 112 of file dwarf2expr.c.

References dwarf_expr_context::pieces, dwarf_expr_context::stack, and xfree().

Referenced by free_dwarf_expr_context_cleanup().

static const gdb_byte* gdb_read_sleb128	(	const gdb_byte *	buf,
		const gdb_byte *	buf_end,
		int64_t *	r
	)		`[inline, static]`

Definition at line 311 of file dwarf2expr.h.

Referenced by decode_frame_entry_1(), dwarf_block_to_dwarf_reg_deref(), dwarf_block_to_fb_offset(), dwarf_block_to_sp_offset(), and safe_read_sleb128().

static const gdb_byte* gdb_read_uleb128	(	const gdb_byte *	buf,
		const gdb_byte *	buf_end,
		uint64_t *	r
	)		`[inline, static]`

Definition at line 300 of file dwarf2expr.h.

Referenced by decode_debug_loc_dwo_addresses(), decode_frame_entry_1(), dwarf_block_to_dwarf_reg(), dwarf_block_to_dwarf_reg_deref(), dwarf_block_to_sp_offset(), and safe_read_uleb128().

static const gdb_byte* gdb_skip_leb128	(	const gdb_byte *	buf,
		const gdb_byte *	buf_end
	)		`[inline, static]`

Definition at line 322 of file dwarf2expr.h.

Referenced by dwarf_block_to_dwarf_reg(), safe_skip_leb128(), and skip_form_bytes().

struct cleanup* make_cleanup_free_dwarf_expr_context ( struct dwarf_expr_context * ctx ) [read]

Definition at line 130 of file dwarf2expr.c.

References free_dwarf_expr_context_cleanup(), and make_cleanup().

Referenced by dwarf2_evaluate_loc_desc_full(), dwarf2_loc_desc_needs_frame(), and execute_stack_op().

struct dwarf_expr_context* new_dwarf_expr_context ( void ) [read]

Definition at line 94 of file dwarf2expr.c.

References dwarf_expr_context::max_recursion_depth, dwarf_expr_context::num_pieces, dwarf_expr_context::pieces, dwarf_expr_context::stack, dwarf_expr_context::stack_allocated, dwarf_expr_context::stack_len, xcalloc(), and xmalloc().

Referenced by dwarf2_evaluate_loc_desc_full(), dwarf2_loc_desc_needs_frame(), and execute_stack_op().

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

Definition at line 386 of file dwarf2expr.c.

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

Referenced by disassemble_dwarf_expression(), dwarf2_compile_expr_to_ax(), execute_cfa_program(), execute_stack_op(), locexpr_describe_location_piece(), and read_encoded_value().

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

Definition at line 374 of file dwarf2expr.c.

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

Referenced by disassemble_dwarf_expression(), dwarf2_compile_expr_to_ax(), execute_cfa_program(), execute_stack_op(), locexpr_describe_location_1(), locexpr_describe_location_piece(), and read_encoded_value().

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

Definition at line 396 of file dwarf2expr.c.

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

Referenced by skip_one_die().

Classes

Enumerations

Functions

Enumeration Type Documentation

Function Documentation