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do not use struct function pointers elsewhere, use them only in case

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when polymorphysm needed
This commit is contained in:
nnosov
2020-02-03 15:04:09 +04:00
parent b79db14d0c
commit 810ce7519d
15 changed files with 609 additions and 749 deletions
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framework/dwarf_stack.h
+9 -32
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@@ -57,18 +57,9 @@ typedef union {
void* ptr;
} pst_sized_value;
// forward declaration
typedef struct __pst_dwarf_value pst_dwarf_value;
// typedefs for member function pointers
typedef void (*pst_dwarf_value_set) (pst_dwarf_value* value, void* v, uint32_t s, int t);
typedef struct __pst_dwarf_value {
list_node node; // uplink, !!! must be 1st field in structure !!!
// methods
pst_dwarf_value_set set; // replace value data
// fields
pst_sized_value value; // value itself
int type; // value type. bitmask of DWARF_TYPE_XXX
@@ -78,35 +69,13 @@ typedef struct __pst_dwarf_value {
void pst_dwarf_value_init(pst_dwarf_value* value, char* v, uint32_t s, int t);
pst_dwarf_value* pst_dwarf_value_new(char* v, uint32_t s, int t);
void pst_dwarf_value_fini(pst_dwarf_value* value);
void pst_dwarf_value_set(pst_dwarf_value* value, void* v, uint32_t s, int t);
// -----------------------------------------------------------------------------------
// DWARF stack
// -----------------------------------------------------------------------------------
// forward declaration
typedef struct __pst_dwarf_stack pst_dwarf_stack;
// typedefs for member function pointers
typedef void (*pst_dwarf_stack_push) (pst_dwarf_stack* st, void* v, uint32_t s, int t);
typedef void (*pst_dwarf_stack_push_val) (pst_dwarf_stack* st, pst_dwarf_value* value);
typedef pst_dwarf_value* (*pst_dwarf_stack_pop) (pst_dwarf_stack* st);
typedef pst_dwarf_value* (*pst_dwarf_stack_get) (pst_dwarf_stack* st, uint32_t idx);
typedef bool (*pst_dwarf_stack_calc) (pst_dwarf_stack* st, Dwarf_Op *exprs, int expr_len, Dwarf_Attribute* attr, pst_function* fun);
typedef bool (*pst_dwarf_stack_get_value) (pst_dwarf_stack* st, uint64_t* value);
typedef void (*pst_dwarf_stack_clear) (pst_dwarf_stack* st);
typedef struct __pst_dwarf_stack {
// methods
pst_dwarf_stack_push push; // push new value on the top of the stack
pst_dwarf_stack_push_val push_value; // push an existing value on the top of the stack
pst_dwarf_stack_pop pop; // pop value from the top of the stack
pst_dwarf_stack_get get; // get value from top of the stack without popping
pst_dwarf_stack_calc calc; // calculate DWARF expression
pst_dwarf_stack_get_value get_value; // get result of calculation
pst_dwarf_stack_clear clear; // clean-up the stack
// fields
list_head expr; // DWARF expression
list_head values; // list of values on the stack
pst_context* ctx; // context of execution
@@ -117,4 +86,12 @@ void pst_dwarf_stack_init(pst_dwarf_stack* st, pst_context* ctx);
pst_dwarf_stack* pst_dwarf_stack_new(pst_context* ctx);
void pst_dwarf_stack_fini(pst_dwarf_stack* st);
bool pst_dwarf_stack_calc(pst_dwarf_stack* st, Dwarf_Op *exprs, int expr_len, Dwarf_Attribute* attr, pst_function* fun = NULL);
void pst_dwarf_stack_clear(pst_dwarf_stack* st);
bool pst_dwarf_stack_get_value(pst_dwarf_stack* st, uint64_t* value);
pst_dwarf_value* pst_dwarf_stack_get(pst_dwarf_stack* st, uint32_t idx = 0);
pst_dwarf_value* pst_dwarf_stack_pop(pst_dwarf_stack* st);
void pst_dwarf_stack_push_value(pst_dwarf_stack* st, pst_dwarf_value* value);
void pst_dwarf_stack_push(pst_dwarf_stack* st, void* v, uint32_t s, int t);
#endif /* FRAMEWORK_DWARF_STACK_H_ */