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call_site_XXX moved to C language, added my oldest hash_map

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implementation
This commit is contained in:
nnosov
2020-02-01 21:19:55 +04:00
parent dbd8e31129
commit 0064239418
6 changed files with 664 additions and 164 deletions
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framework/dwarf_function.h
+18 -46
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@@ -17,67 +17,39 @@
// -----------------------------------------------------------------------------------
// pst_function
// -----------------------------------------------------------------------------------
typedef struct __pst_function : public SC_ListNode {
__pst_function(pst_context* _ctx, __pst_function* _parent) : ctx(_ctx) {
pc = 0;
line = -1;
die = NULL;
lowpc = 0;
highpc = 0;
memcpy(&cursor, _ctx->curr_frame, sizeof(cursor));
parent = _parent;
sp = 0;
cfa = 0;
frame = NULL;
}
~__pst_function() {
clear();
if(frame) {
free(frame);
}
}
typedef struct __pst_function {
list_node node; // uplink. !!! must be first !!!
void clear();
pst_parameter* add_param();
void del_param(pst_parameter* p);
pst_parameter* next_param(pst_parameter* p);
pst_call_site* add_call_site(uint64_t target, const char* origin);
void del_call_site(pst_call_site* st);
pst_call_site* next_call_site(pst_call_site* st);
pst_call_site* call_site_by_origin(const char* origin);
pst_call_site* call_site_by_target(uint64_t target);
bool unwind(Dwarf_Addr addr);
bool handle_dwarf(Dwarf_Die* d);
bool print_dwarf();
bool handle_lexical_block(Dwarf_Die* result);
bool handle_call_site(Dwarf_Die* result);
pst_call_site* find_call_site(__pst_function* callee);
bool get_frame();
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
Dwarf_Die* die; // DWARF DIE containing definition of the function
std::string name; // function's name
SC_ListHead params; // function's parameters
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
Dwarf_Die* die; // DWARF DIE containing definition of the function
std::string name; // function's name
SC_ListHead params; // function's parameters
// call-site
SC_ListHead call_sites; // Call-Site definitions
SC_Dict mCallStToTarget; // map pointer to caller to call-site
SC_Dict mCallStToOrigin; // map caller name to call-site
pst_call_site_storage call_sites;
unw_word_t pc; // address between lowpc & highpc (plus base address offset). actually, currently executed command
unw_word_t sp; // SP register in function's frame
unw_word_t cfa; // CFA (Canonical Frame Adress) of the function
unw_cursor_t cursor; // copy of stack state of the function
int line; // line in code where function is defined
std::string 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
unw_word_t pc; // address between LowPC & HighPC (plus base address offset). actually, currently executed command
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
std::string 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;