1 files changed, 36 insertions, 0 deletions
diff --git a/src/utils.cpp b/src/utils.cpp
new file mode 100644
index 0000000..5caac56
--- /dev/null
+++ b/src/utils.cpp
@@ -0,0 +1,36 @@
+#include "include/utils.hpp"
+
+void Utils::findelf(uint8_t* buffer, uint64_t* textstart, uint64_t* textend)
+{
+    Elf64_Ehdr  *elf;
+    Elf64_Shdr  *shdr;
+    char *strtab;
+    int counter = 1;
+
+    elf = (Elf64_Ehdr *)(buffer);
+    shdr = (Elf64_Shdr *)((char *)buffer + elf->e_shoff);
+    strtab = (char *)((char *)buffer + shdr[elf->e_shstrndx].sh_offset);
+    while(counter < elf->e_shnum) {
+        if(strcmp(&strtab[shdr[counter].sh_name], ".text"))
+        {
+            *textend = shdr[counter].sh_offset;
+            return;
+        }
+        else
+            *textstart = shdr[counter].sh_offset;
+        counter++;
+    }
+}
+
+void Utils::getbinaryrepresentation(uint8_t* bytes, size_t numbytes, uint8_t* buf)
+{
+    int counter = 0;
+    for(int i = numbytes - 1; i >= 0; i--)
+        for(int j = 7; j >= 0; j--)
+            buf[counter++] = tobit(bytes[i], j) + '0';
+}
+
+uint8_t Utils::tobit(uint8_t byte, uint8_t pos)
+{
+    return byte & 1<< pos ? 1 : 0;
+}