56 lines
2.4 KiB
C
56 lines
2.4 KiB
C
/*
|
|
* dwarf_function.h
|
|
*
|
|
* Created on: Feb 1, 2020
|
|
* Author: nnosov
|
|
*/
|
|
|
|
#ifndef FRAMEWORK_DWARF_FUNCTION_H_
|
|
#define FRAMEWORK_DWARF_FUNCTION_H_
|
|
|
|
#include "context.h"
|
|
#include "dwarf_expression.h"
|
|
#include "list_head.h"
|
|
#include "dwarf_call_site.h"
|
|
#include "dwarf_parameter.h"
|
|
|
|
// -----------------------------------------------------------------------------------
|
|
// pst_function
|
|
// -----------------------------------------------------------------------------------
|
|
typedef struct __pst_function {
|
|
list_node node; // uplink. !!! must be first !!!
|
|
|
|
void clear(pst_function* fn);
|
|
pst_parameter* add_param(pst_function* fn);
|
|
void del_param(pst_function* fn, pst_parameter* p);
|
|
pst_parameter* next_param(pst_function* fn, pst_parameter* p);
|
|
|
|
bool unwind(pst_function* fn, Dwarf_Addr addr);
|
|
bool handle_dwarf(pst_function* fn, Dwarf_Die* d);
|
|
bool print_dwarf(pst_function* fn);
|
|
bool handle_lexical_block(pst_function* fn, Dwarf_Die* result);
|
|
|
|
bool get_frame(pst_function* fn);
|
|
|
|
Dwarf_Addr lowpc; // offset to start of the function against base address
|
|
Dwarf_Addr highpc; // offset to the next address after the end of the function against base address
|
|
unw_word_t pc; // address between LowPC & HighPC (plus base address offset). actually, currently executed command
|
|
Dwarf_Die* die; // DWARF DIE containing definition of the function
|
|
char* name; // function's name
|
|
list_head params; // function's parameters
|
|
pst_call_site_storage call_sites;
|
|
|
|
unw_word_t sp; // SP register in function's frame
|
|
unw_word_t cfa; // CFA (Canonical Frame Address) of the function
|
|
unw_cursor_t cursor; // copy of stack state of the function
|
|
int line; // line in code where function is defined
|
|
char* file; // file name (DWARF Compilation Unit) where function is defined
|
|
__pst_function* parent; // parent function in call trace (caller)
|
|
Dwarf_Frame* frame; // function's stack frame
|
|
pst_context* ctx; // context of unwinding
|
|
bool allocated; // whether this object was allocated or not
|
|
} pst_function;
|
|
|
|
|
|
#endif /* FRAMEWORK_DWARF_FUNCTION_H_ */
|