all code except of pst_function & pst_handler rewritten on C language.

Logger nad Allocator decided to be a global for all library
2020-02-01 15:19:55 +04:00
parent fcdb15ba95
commit 8251ba526f
30 changed files with 2073 additions and 2068 deletions
@@ -0,0 +1,55 @@
+/*
+ * dwarf_expression.h
+ *
+ *  Created on: Feb 1, 2020
+ *      Author: nnosov
+ */
+
+#ifndef FRAMEWORK_DWARF_EXPRESSION_H_
+#define FRAMEWORK_DWARF_EXPRESSION_H_
+
+#include <inttypes.h>
+#include <elfutils/libdwfl.h>
+
+#include "list_head.h"
+#include "allocator.h"
+
+// DWARF operation (represents our own DW_OP_XXX)
+typedef struct {
+    list_node       node;       //uplink
+
+    uint8_t         operation;
+    uint64_t        arg1;
+    uint64_t        arg2;
+    bool            allocated;
+} pst_dwarf_op;
+void pst_dwarf_op_init(pst_dwarf_op* dwop, uint8_t op, uint64_t a1, uint64_t a2);
+pst_dwarf_op* pst_dwarf_op_new(uint8_t op, uint64_t a1, uint64_t a2);
+void pst_dwarf_op_fini(pst_dwarf_op* dwop);
+
+
+// DWARF expression
+typedef struct pst_dwarf_expr {
+    // methods
+    bool (*is_equal)(pst_dwarf_expr* lhs, pst_dwarf_expr* rhs);
+    pst_dwarf_op* (*add_op) (pst_dwarf_expr* expr, uint8_t op, uint64_t arg1, uint64_t arg2);
+    pst_dwarf_op* (*next_op) (pst_dwarf_expr* expr, pst_dwarf_op* op);
+    void (*clean) (pst_dwarf_expr* expr);
+    void (*setup) (pst_dwarf_expr* expr, Dwarf_Op* exprs, size_t exprlen);
+    void (*set_value) (pst_dwarf_expr* expr, uint64_t v);
+    bool (*print_op) (pst_dwarf_expr* expr, const char* fmt, ...);
+
+    // fields
+    list_head       operations;
+    bool            has_value;
+    uint64_t        value;
+    char            buff[512];
+    uint16_t        offset;
+    bool            allocated;
+} pst_dwarf_expr;
+void pst_dwarf_expr_init(pst_dwarf_expr* expr);
+pst_dwarf_expr* pst_dwarf_expr_new();
+void pst_dwarf_expr_fini(pst_dwarf_expr* expr);
+
+
+#endif /* FRAMEWORK_DWARF_EXPRESSION_H_ */