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use internal linkedlist implementation instead of std::list,

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std::vector. make stack trace a bit more complex
This commit is contained in:
nnosov
2020-01-14 18:03:11 +04:00
parent b49318cd11
commit e2bdd31cef
3 changed files with 194 additions and 55 deletions
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framework/sysutils.h
+42 -9
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@@ -27,7 +27,17 @@ char* GetExecutableName(char* path, uint32_t size);
typedef struct __pst_function pst_function;
typedef struct __pst_parameter {
typedef struct __pst_type : public SC_ListNode {
__pst_type(const char* n, uint32_t t) : type(t) {
if(n) {
name = n;
}
}
std::string name; // type name
uint32_t type; // DW_AT_XXX type
} pst_type;
typedef struct __pst_parameter : public SC_ListNode {
__pst_parameter(pst_context* c) : ctx(c)
{
die = NULL;
@@ -41,8 +51,17 @@ typedef struct __pst_parameter {
line = 0;
}
~__pst_parameter()
{
clear();
}
void clear();
pst_type* add_type(const char* name, int type);
pst_type* next_type(pst_type* t);
bool handle_dwarf(Dwarf_Die* d);
bool handle_type(Dwarf_Attribute* param, bool is_return = false);
bool handle_type(Dwarf_Attribute* param);
bool print_dwarf();
Dwarf_Die* die; // DWARF DIE containing parameter's definition
@@ -50,7 +69,7 @@ typedef struct __pst_parameter {
uint32_t line; // line of parameter definition
Dwarf_Word size; // size of parameter in bytes
int type; // base type of parameter in DW_TAG_XXX types enumeration
std::vector<std::string> types; // list of parameter's definitions i.e. 'typedef', 'uint32_t'
SC_ListHead types; // list of parameter's definitions i.e. 'typedef', 'uint32_t'
void* loc; // pointer to location of parameter's value
bool is_return; // whether this parameter is return value of the function
bool is_variable;// whether this parameter is function variable or argument of function
@@ -61,9 +80,8 @@ typedef struct __pst_parameter {
typedef struct __pst_handler pst_handler;
typedef struct __pst_function {
__pst_function(pst_context* ctx) : ctx(ctx)
{
typedef struct __pst_function : public SC_ListNode {
__pst_function(pst_context* ctx) : ctx(ctx) {
pc = 0;
line = -1;
die = NULL;
@@ -71,6 +89,15 @@ typedef struct __pst_function {
highpc = 0;
}
~__pst_function() {
clear();
}
void clear();
pst_parameter* add_param();
void del_param(pst_parameter* p);
pst_parameter* next_param(pst_parameter* p);
bool unwind(Dwfl* dwfl, Dwfl_Module* module, Dwarf_Addr addr);
bool handle_dwarf(Dwarf_Die* d);
bool print_dwarf();
@@ -79,7 +106,7 @@ typedef struct __pst_function {
Dwarf_Addr highpc;
Dwarf_Die* die; // DWARF DIE containing definition of the function
std::string name; // function's name
std::vector<pst_parameter> params; // array of function's parameters
SC_ListHead params; // array of function's parameters
unw_word_t pc; // pointer to the start of the function
int line; // line in code where function is defined
std::string file; // file name (DWARF Compilation Unit) where is function defined
@@ -102,13 +129,19 @@ typedef struct __pst_handler {
if(handle) {
dlclose(handle);
}
clear();
}
void clear();
pst_function* add_function();
void del_function(pst_function* f);
pst_function* next_function(pst_function* f);
void print_dwarf();
bool unwind();
bool get_frame();
bool get_dwarf_function(pst_function& fun);
bool get_dwarf_function(pst_function* fun);
pst_context ctx; // context of unwinding
void* handle; // process handle
@@ -117,7 +150,7 @@ typedef struct __pst_handler {
Dwfl_Module* module; // currently processed CU
Dwarf_Frame* frame; // currently processed stack frame
void* caller; // pointer to the function which requested to unwind stack
std::vector<pst_function> functions; // array of functions in stack frame
SC_ListHead functions; // list of functions in stack frame
} pst_handler;
#endif /* SC_SYSUTILS_H_ */