#include <frame_layout.h>

Public Member Functions
intptr_t	saved_below_pc () const

intptr_t	FrameSlotForVariable (const LocalVariable *variable) const

intptr_t	FrameSlotForVariableIndex (intptr_t index) const

intptr_t	VariableIndexForFrameSlot (intptr_t frame_slot) const

Static Public Member Functions
static void	Init ()

Public Attributes
intptr_t	first_object_from_fp

intptr_t	last_fixed_object_from_fp

intptr_t	param_end_from_fp

intptr_t	last_param_from_entry_sp

intptr_t	first_local_from_fp

intptr_t	dart_fixed_frame_size

intptr_t	saved_caller_pp_from_fp

intptr_t	saved_caller_fp_from_fp

intptr_t	saved_caller_pc_from_fp

intptr_t	code_from_fp

intptr_t	exit_link_slot_from_entry_fp

Detailed Description

Definition at line 22 of file frame_layout.h.

Member Function Documentation

◆ FrameSlotForVariable()

intptr_t FrameLayout::FrameSlotForVariable ( const LocalVariable * variable ) const

Definition at line 83 of file stack_frame.cc.

                                         {
  ASSERT(!variable->is_captured());
  return this->FrameSlotForVariableIndex(variable->index().value());
}

◆ FrameSlotForVariableIndex()

intptr_t FrameLayout::FrameSlotForVariableIndex ( intptr_t index ) const

Definition at line 89 of file stack_frame.cc.

                                                                             {
  // Variable indices are:
  //    [1, 2, ..., M] for the M parameters.
  //    [0, -1, -2, ... -(N-1)] for the N [LocalVariable]s
  // See (runtime/vm/scopes.h)
  return variable_index <= 0 ? (variable_index + first_local_from_fp)
                             : (variable_index + param_end_from_fp);
}

◆ Init()

void FrameLayout::Init ( )

static

Definition at line 98 of file stack_frame.cc.

                       {
  // By default we use frames with CODE_REG/PP in the frame.
  compiler::target::frame_layout = default_frame_layout;
  runtime_frame_layout = default_frame_layout;
 
  if (FLAG_precompiled_mode) {
    compiler::target::frame_layout = bare_instructions_frame_layout;
  }
#if defined(DART_PRECOMPILED_RUNTIME)
  if (FLAG_precompiled_mode) {
    compiler::target::frame_layout = invalid_frame_layout;
    runtime_frame_layout = bare_instructions_frame_layout;
  }
#endif
}

◆ saved_below_pc()

intptr_t dart::FrameLayout::saved_below_pc ( ) const

inline

Definition at line 58 of file frame_layout.h.

58{ return -first_local_from_fp; }

◆ VariableIndexForFrameSlot()

intptr_t dart::FrameLayout::VariableIndexForFrameSlot ( intptr_t frame_slot ) const

inline

Definition at line 70 of file frame_layout.h.

                                                                {
    if (frame_slot <= first_local_from_fp) {
      return frame_slot - first_local_from_fp;
    } else {
      ASSERT(frame_slot > param_end_from_fp);
      return frame_slot - param_end_from_fp;
    }
  }

Member Data Documentation

◆ code_from_fp

intptr_t dart::FrameLayout::code_from_fp

Definition at line 52 of file frame_layout.h.

◆ dart_fixed_frame_size

intptr_t dart::FrameLayout::dart_fixed_frame_size

Definition at line 40 of file frame_layout.h.

◆ exit_link_slot_from_entry_fp

intptr_t dart::FrameLayout::exit_link_slot_from_entry_fp

Definition at line 55 of file frame_layout.h.

◆ first_local_from_fp

intptr_t dart::FrameLayout::first_local_from_fp

Definition at line 37 of file frame_layout.h.

◆ first_object_from_fp

intptr_t dart::FrameLayout::first_object_from_fp

Definition at line 24 of file frame_layout.h.

◆ last_fixed_object_from_fp

intptr_t dart::FrameLayout::last_fixed_object_from_fp

Definition at line 27 of file frame_layout.h.

◆ last_param_from_entry_sp

intptr_t dart::FrameLayout::last_param_from_entry_sp

Definition at line 34 of file frame_layout.h.

◆ param_end_from_fp

intptr_t dart::FrameLayout::param_end_from_fp

Definition at line 30 of file frame_layout.h.

◆ saved_caller_fp_from_fp

intptr_t dart::FrameLayout::saved_caller_fp_from_fp

Definition at line 46 of file frame_layout.h.

◆ saved_caller_pc_from_fp

intptr_t dart::FrameLayout::saved_caller_pc_from_fp

Definition at line 49 of file frame_layout.h.

◆ saved_caller_pp_from_fp

intptr_t dart::FrameLayout::saved_caller_pp_from_fp

Definition at line 43 of file frame_layout.h.

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

third_party/dart-lang/sdk/runtime/vm/frame_layout.h
third_party/dart-lang/sdk/runtime/vm/stack_frame.cc

Public Member Functions

Static Public Member Functions

Public Attributes