63 lines
1.6 KiB
C++
63 lines
1.6 KiB
C++
#pragma once
|
|
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <execinfo.h>
|
|
#include <libunwind.h>
|
|
|
|
#include "logger/log.h"
|
|
#include "linkedlist.h"
|
|
|
|
#define USE_LIBUNWIND
|
|
|
|
typedef struct __pst_context {
|
|
__pst_context(ucontext_t* hctx) : hcontext(hctx)
|
|
{
|
|
clean_print();
|
|
base_addr = 0;
|
|
sp = 0;
|
|
cfa = 0;
|
|
curr_frame = NULL;
|
|
next_frame = NULL;
|
|
frame = NULL;
|
|
dwfl = NULL;
|
|
module = NULL;
|
|
}
|
|
|
|
bool print(const char* fmt, ...);
|
|
void log(SC_LogSeverity severity, const char*fmt, ...);
|
|
uint32_t print_expr_block(Dwarf_Op *exprs, int len, char* buff, uint32_t buff_size, Dwarf_Attribute* attr = 0);
|
|
void print_registers(int from, int to);
|
|
void print_stack(int max, uint64_t next_cfa);
|
|
void clean_print() {
|
|
buff[0] = 0;
|
|
offset = 0;
|
|
}
|
|
|
|
const char* get_print() {
|
|
return buff;
|
|
}
|
|
|
|
ucontext_t* hcontext; // context of signal handler
|
|
unw_context_t context; // context of stack trace
|
|
unw_cursor_t cursor;
|
|
unw_cursor_t* curr_frame; // callee libunwind frame
|
|
unw_cursor_t* next_frame; // caller libunwind frame
|
|
Dwarf_Addr base_addr; // base address where process loaded
|
|
|
|
Dwarf_Addr sp;
|
|
Dwarf_Addr cfa;
|
|
Dwarf_Frame* frame; // currently examined libdwfl frame
|
|
Dwfl* dwfl; // DWARF context
|
|
Dwfl_Module* module; // currently processed CU
|
|
|
|
protected:
|
|
char buff[8192]; // stack trace buffer
|
|
uint32_t offset; // offset in the 'buff'
|
|
} pst_context;
|
|
|
|
|
|
int32_t decode_sleb128(uint8_t *sleb128);
|
|
uint32_t decode_uleb128(uint8_t *uleb128);
|
|
bool is_location_form(int form);
|