Added image begin pointer to the function info

Author: mhahnFr

include/functionInfo/functionInfo.h

@@ -30,8 +30,10 @@ extern "C" {
 #include <stddef.h>
 #include <stdint.h>
 
+// The actual function address is beginOffset + imageBegin.
 struct functionInfo {
-    uintptr_t begin;
+    uintptr_t beginOffset,
+              imageBegin;
     size_t length;
     bool found;
 };

src/functionInfo/functionInfo.c

@@ -41,7 +41,7 @@ static inline bool functionInfo_getFrom(struct loadedLibInfo* info, const char*
 }
 
 struct functionInfo functionInfo_loadHint(const char* functionName, const char* libraryName) {
-    struct functionInfo toReturn = (struct functionInfo) { 0, 0, false };
+    struct functionInfo toReturn = (struct functionInfo) { 0, 0, 0, false };
 
     dlMapper_init();
     if (libraryName != NULL && functionInfo_getFrom(dlMapper_libInfoForFileName(libraryName), functionName, &toReturn)) {

src/parser/file/macho/machoFile.c

@@ -388,7 +388,7 @@ bool machoFile_getFunctionInfo(struct binaryFile* me, const char* functionName,
 
     vector_iterate(pair_funcFile_t, &self->functions, {
         if (strcmp(element->first.linkedName, functionName) == 0) {
-            info->begin = (uintptr_t) element->first.startAddress;
+            info->beginOffset = (uintptr_t) element->first.startAddress;
             info->length = element->first.length;
             return true;
         }