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dwarf_expr_context Struct Referenceabstract

#include "dwarf2expr.h"

Inheritance diagram for dwarf_expr_context:
dwarf_evaluate_loc_desc dwarf_expr_executor symbol_needs_eval_context

Public Member Functions

 dwarf_expr_context ()
 
virtual ~dwarf_expr_context ()=default
 
void push_address (CORE_ADDR value, bool in_stack_memory)
 
void eval (const gdb_byte *addr, size_t len)
 
struct value * fetch (int n)
 
CORE_ADDR fetch_address (int n)
 
bool fetch_in_stack_memory (int n)
 
virtual CORE_ADDR read_addr_from_reg (int regnum)=0
 
virtual struct value * get_reg_value (struct type *type, int regnum)=0
 
virtual void read_mem (gdb_byte *buf, CORE_ADDR addr, size_t length)=0
 
virtual void get_frame_base (const gdb_byte **start, size_t *length)=0
 
virtual CORE_ADDR get_frame_cfa ()=0
 
virtual CORE_ADDR get_frame_pc ()
 
virtual CORE_ADDR get_tls_address (CORE_ADDR offset)=0
 
virtual void dwarf_call (cu_offset die_cu_off)=0
 
virtual struct type * get_base_type (cu_offset die_cu_off, int size)
 
virtual void push_dwarf_reg_entry_value (enum call_site_parameter_kind kind, union call_site_parameter_u kind_u, int deref_size)=0
 
virtual CORE_ADDR get_addr_index (unsigned int index)=0
 
virtual CORE_ADDR get_object_address ()=0
 

Public Attributes

std::vector< dwarf_stack_value > stack
 
struct gdbarch * gdbarch
 
int addr_size
 
int ref_addr_size
 
CORE_ADDR offset
 
int recursion_depth
 
int max_recursion_depth
 
enum dwarf_value_location location
 
ULONGEST len
 
const gdb_byte * data
 
int initialized
 
std::vector< dwarf_expr_piece > pieces
 

Private Member Functions

struct type * address_type () const
 
void push (struct value *value, bool in_stack_memory)
 
bool stack_empty_p () const
 
void add_piece (ULONGEST size, ULONGEST offset)
 
void execute_stack_op (const gdb_byte *op_ptr, const gdb_byte *op_end)
 
void pop ()
 

Detailed Description

Definition at line 118 of file dwarf2expr.h.

Constructor & Destructor Documentation

◆ dwarf_expr_context()

dwarf_expr_context::dwarf_expr_context ( )

Definition at line 90 of file dwarf2expr.c.

◆ ~dwarf_expr_context()

virtual dwarf_expr_context::~dwarf_expr_context ( )
virtualdefault

Member Function Documentation

◆ add_piece()

void dwarf_expr_context::add_piece ( ULONGEST  size,
ULONGEST  offset 
)
private

Definition at line 253 of file dwarf2expr.c.

References data, DWARF_VALUE_IMPLICIT_POINTER, DWARF_VALUE_LITERAL, DWARF_VALUE_MEMORY, DWARF_VALUE_OPTIMIZED_OUT, DWARF_VALUE_REGISTER, fetch(), fetch_address(), fetch_in_stack_memory(), len, dwarf_expr_piece::literal, location, dwarf_expr_piece::location, dwarf_expr_piece::mem, dwarf_expr_piece::offset, offset, pieces, dwarf_expr_piece::ptr, dwarf_expr_piece::regno, dwarf_expr_piece::size, size, stack_empty_p(), dwarf_expr_piece::v, dwarf_expr_piece::value, and value_as_long().

Referenced by execute_stack_op().

◆ address_type()

struct type * dwarf_expr_context::address_type ( ) const
private

Definition at line 62 of file dwarf2expr.c.

References _, addr_size, arch_integer_type(), dwarf_gdbarch_types::dw_types, dwarf_arch_cookie, and error().

Referenced by execute_stack_op(), and push_address().

◆ dwarf_call()

virtual void dwarf_expr_context::dwarf_call ( cu_offset  die_cu_off)
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ eval()

void dwarf_expr_context::eval ( const gdb_byte *  addr,
size_t  len 
)

Definition at line 297 of file dwarf2expr.c.

References execute_stack_op(), gdb_assert, len, and recursion_depth.

Referenced by dwarf2_evaluate_loc_desc_full(), dwarf2_loc_desc_get_symbol_read_needs(), dwarf2_locexpr_baton_eval(), execute_stack_op(), execute_stack_op(), per_cu_dwarf_call(), and dwarf_evaluate_loc_desc::push_dwarf_reg_entry_value().

◆ execute_stack_op()

void dwarf_expr_context::execute_stack_op ( const gdb_byte *  op_ptr,
const gdb_byte *  op_end 
)
private

Definition at line 546 of file dwarf2expr.c.

References _, add_piece(), addr_size, address_type(), base_types_equal_p(), CALL_SITE_PARAMETER_DWARF_REG, CALL_SITE_PARAMETER_PARAM_OFFSET, data, dwarf_block_to_dwarf_reg(), dwarf_block_to_dwarf_reg_deref(), dwarf_call(), dwarf_expr_require_composition(), call_site_parameter_u::dwarf_reg, dwarf_require_integral(), DWARF_VALUE_IMPLICIT_POINTER, DWARF_VALUE_LITERAL, DWARF_VALUE_MEMORY, DWARF_VALUE_OPTIMIZED_OUT, DWARF_VALUE_REGISTER, DWARF_VALUE_STACK, error(), eval(), extract_signed_integer(), extract_unsigned_integer(), fetch(), fetch_address(), fetch_in_stack_memory(), gdb_assert, gdbarch_byte_order(), get_addr_index(), get_base_type(), get_frame_base(), get_frame_cfa(), get_object_address(), get_reg_value(), get_signed_type(), get_tls_address(), get_unsigned_type(), initialized, internal_error(), len, location, max_recursion_depth, not_lval, offset, call_site_parameter_u::param_cu_off, pop(), push(), push_dwarf_reg_entry_value(), QUIT, read_addr_from_reg(), read_mem(), recursion_depth, ref_addr_size, value::reg, safe_read_sleb128(), safe_read_uleb128(), size, stack, store_unsigned_integer(), stype, to_underlying(), type, TYPE_LENGTH, TYPE_UNSIGNED, value_as_long(), value_binop(), value_cast(), value_complement(), value_contents_all(), value_equal(), value_from_contents(), value_from_contents_and_address(), value_from_ulongest(), value_less(), value_neg(), value_type(), and value_zero().

Referenced by eval().

◆ fetch()

struct value * dwarf_expr_context::fetch ( int  n)

Definition at line 134 of file dwarf2expr.c.

References _, error(), and stack.

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

◆ fetch_address()

CORE_ADDR dwarf_expr_context::fetch_address ( int  n)

Definition at line 201 of file dwarf2expr.c.

References addr_size, dwarf_require_integral(), extract_unsigned_integer(), fetch(), gdbarch_byte_order(), gdbarch_integer_to_address(), gdbarch_integer_to_address_p(), get_unsigned_type(), store_unsigned_integer(), TYPE_LENGTH, value_contents(), and value_type().

Referenced by add_piece(), dwarf2_evaluate_loc_desc_full(), dwarf2_locexpr_baton_eval(), execute_stack_op(), and execute_stack_op().

◆ fetch_in_stack_memory()

bool dwarf_expr_context::fetch_in_stack_memory ( int  n)

Definition at line 234 of file dwarf2expr.c.

References _, error(), and stack.

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

◆ get_addr_index()

virtual CORE_ADDR dwarf_expr_context::get_addr_index ( unsigned int  index)
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ get_base_type()

virtual struct type* dwarf_expr_context::get_base_type ( cu_offset  die_cu_off,
int  size 
)
inlinevirtual

Reimplemented in dwarf_evaluate_loc_desc.

Definition at line 228 of file dwarf2expr.h.

References builtin_type::builtin_int, and builtin_type().

Referenced by execute_stack_op().

◆ get_frame_base()

virtual void dwarf_expr_context::get_frame_base ( const gdb_byte **  start,
size_t *  length 
)
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ get_frame_cfa()

virtual CORE_ADDR dwarf_expr_context::get_frame_cfa ( )
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ get_frame_pc()

virtual CORE_ADDR dwarf_expr_context::get_frame_pc ( )
inlinevirtual

Reimplemented in symbol_needs_eval_context, and dwarf_evaluate_loc_desc.

Definition at line 209 of file dwarf2expr.h.

References _, and error().

Referenced by get_frame_pc_for_per_cu_dwarf_call().

◆ get_object_address()

virtual CORE_ADDR dwarf_expr_context::get_object_address ( )
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ get_reg_value()

virtual struct value* dwarf_expr_context::get_reg_value ( struct type *  type,
int  regnum 
)
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ get_tls_address()

virtual CORE_ADDR dwarf_expr_context::get_tls_address ( CORE_ADDR  offset)
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ pop()

void dwarf_expr_context::pop ( )
private

Definition at line 123 of file dwarf2expr.c.

References _, error(), and stack.

Referenced by execute_stack_op().

◆ push()

void dwarf_expr_context::push ( struct value *  value,
bool  in_stack_memory 
)
private

Definition at line 107 of file dwarf2expr.c.

References stack.

Referenced by execute_stack_op(), and push_address().

◆ push_address()

void dwarf_expr_context::push_address ( CORE_ADDR  value,
bool  in_stack_memory 
)

Definition at line 115 of file dwarf2expr.c.

References address_type(), push(), and value_from_ulongest().

Referenced by execute_stack_op(), and symbol_needs_eval_context::push_dwarf_reg_entry_value().

◆ push_dwarf_reg_entry_value()

virtual void dwarf_expr_context::push_dwarf_reg_entry_value ( enum call_site_parameter_kind  kind,
union call_site_parameter_u  kind_u,
int  deref_size 
)
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ read_addr_from_reg()

virtual CORE_ADDR dwarf_expr_context::read_addr_from_reg ( int  regnum)
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ read_mem()

virtual void dwarf_expr_context::read_mem ( gdb_byte *  buf,
CORE_ADDR  addr,
size_t  length 
)
pure virtual

Implemented in symbol_needs_eval_context, dwarf_evaluate_loc_desc, and dwarf_expr_executor.

Referenced by execute_stack_op().

◆ stack_empty_p()

bool dwarf_expr_context::stack_empty_p ( ) const
private

Definition at line 246 of file dwarf2expr.c.

References stack.

Referenced by add_piece().

Member Data Documentation

◆ addr_size

int dwarf_expr_context::addr_size

Definition at line 136 of file dwarf2expr.h.

Referenced by address_type(), dwarf2_evaluate_loc_desc_full(), dwarf2_loc_desc_get_symbol_read_needs(), dwarf2_locexpr_baton_eval(), execute_stack_op(), execute_stack_op(), fetch_address(), and dwarf_evaluate_loc_desc::push_dwarf_reg_entry_value().

◆ data

const gdb_byte* dwarf_expr_context::data

Definition at line 157 of file dwarf2expr.h.

Referenced by add_piece(), dwarf2_evaluate_loc_desc_full(), dwarf2_locexpr_baton_eval(), and execute_stack_op().

◆ gdbarch

struct gdbarch* dwarf_expr_context::gdbarch

Definition at line 133 of file dwarf2expr.h.

Referenced by dwarf2_evaluate_loc_desc_full(), dwarf2_loc_desc_get_symbol_read_needs(), dwarf2_locexpr_baton_eval(), and execute_stack_op().

◆ initialized

int dwarf_expr_context::initialized

Definition at line 161 of file dwarf2expr.h.

Referenced by dwarf2_evaluate_loc_desc_full(), and execute_stack_op().

◆ len

ULONGEST dwarf_expr_context::len

Definition at line 156 of file dwarf2expr.h.

Referenced by add_piece(), dwarf2_evaluate_loc_desc_full(), dwarf2_locexpr_baton_eval(), eval(), execute_stack_op(), dwarf_expr_executor::read_mem(), dwarf_evaluate_loc_desc::read_mem(), and symbol_needs_eval_context::read_mem().

◆ location

enum dwarf_value_location dwarf_expr_context::location

Definition at line 151 of file dwarf2expr.h.

Referenced by add_piece(), dwarf2_evaluate_loc_desc_full(), dwarf2_loc_desc_get_symbol_read_needs(), dwarf2_locexpr_baton_eval(), execute_stack_op(), and execute_stack_op().

◆ max_recursion_depth

int dwarf_expr_context::max_recursion_depth

Definition at line 148 of file dwarf2expr.h.

Referenced by execute_stack_op().

◆ offset

CORE_ADDR dwarf_expr_context::offset

Definition at line 143 of file dwarf2expr.h.

Referenced by add_piece(), dwarf2_evaluate_loc_desc_full(), dwarf2_loc_desc_get_symbol_read_needs(), dwarf2_locexpr_baton_eval(), execute_stack_op(), execute_stack_op(), dwarf_evaluate_loc_desc::get_tls_address(), and dwarf_evaluate_loc_desc::push_dwarf_reg_entry_value().

◆ pieces

std::vector<dwarf_expr_piece> dwarf_expr_context::pieces

Definition at line 185 of file dwarf2expr.h.

Referenced by add_piece(), dwarf2_evaluate_loc_desc_full(), and dwarf2_loc_desc_get_symbol_read_needs().

◆ recursion_depth

int dwarf_expr_context::recursion_depth

Definition at line 148 of file dwarf2expr.h.

Referenced by eval(), and execute_stack_op().

◆ ref_addr_size

int dwarf_expr_context::ref_addr_size

Definition at line 140 of file dwarf2expr.h.

Referenced by dwarf2_evaluate_loc_desc_full(), dwarf2_loc_desc_get_symbol_read_needs(), dwarf2_locexpr_baton_eval(), execute_stack_op(), and execute_stack_op().

◆ stack

std::vector<dwarf_stack_value> dwarf_expr_context::stack

Definition at line 130 of file dwarf2expr.h.

Referenced by execute_stack_op(), fetch(), fetch_in_stack_memory(), pop(), push(), and stack_empty_p().

The documentation for this struct was generated from the following files:
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