97 lines
1.8 KiB
C
97 lines
1.8 KiB
C
#pragma once
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#include <string.h>
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#include <stdlib.h>
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#include <execinfo.h>
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#include <libunwind.h>
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#include "logger/log.h"
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#include "linkedlist.h"
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typedef struct __dwarf_value : public SC_ListNode {
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__dwarf_value(uint32_t s)
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{
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size = s;
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value = (char*)malloc(s);
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}
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__dwarf_value(char*v, uint32_t s)
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{
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size = s;
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value = (char*)malloc(s);
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memcpy(value, v, s);
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}
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__dwarf_value()
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{
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value = NULL;
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size = 0;
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}
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~__dwarf_value()
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{
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if(value) {
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free(value);
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value = NULL;
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size = 0;
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}
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}
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char* value;
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uint32_t size;
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} dwarf_value;
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typedef struct __dwarf_stack : public SC_ListHead {
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void clear() {
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for(dwarf_value* v = (dwarf_value*)First(); v; v = (dwarf_value*)First()) {
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Remove(v);
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delete v;
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}
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}
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void push(char* v, uint32_t s) {
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dwarf_value* value = new dwarf_value(v, s);
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InsertFirst(value);
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}
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void push(dwarf_value* value) {
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InsertFirst(value);
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}
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dwarf_value* pop() {
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dwarf_value* value = (dwarf_value*)First();
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if(value) {
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Remove(value);
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}
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return value;
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}
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} dwarf_stack;
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typedef struct __pst_context {
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__pst_context(ucontext_t* hctx) : hcontext(hctx)
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{
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offset = 0;
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buff[0] = 0;
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base_addr = 0;
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}
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bool print(const char* fmt, ...);
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void log(SC_LogSeverity severity, const char*fmt, ...);
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uint32_t print_expr_block(Dwarf_Op *exprs, int len, char* buff, uint32_t buff_size, Dwarf_Attribute* attr = 0);
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ucontext_t* hcontext; // context of signal handler
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unw_context_t context; // context of stack trace
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unw_cursor_t cursor; // currently examined frame of context
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dwarf_stack stack;
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Dwarf_Addr base_addr; // base address where process loaded
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char buff[8192]; // stack trace buffer
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uint32_t offset; // offset in the 'buff'
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} pst_context;
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int32_t decode_sleb128(uint8_t *sleb128);
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uint32_t decode_uleb128(uint8_t *uleb128);
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bool is_location_form(int form);
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