Initial Upload

elf.h

@@ -0,0 +1,42 @@
+// Format of an ELF executable file
+
+#define ELF_MAGIC 0x464C457FU  // "\x7FELF" in little endian
+
+// File header
+struct elfhdr {
+    uint magic;  // must equal ELF_MAGIC
+    uchar elf[12];
+    ushort type;
+    ushort machine;
+    uint version;
+    uint entry;
+    uint phoff;
+    uint shoff;
+    uint flags;
+    ushort ehsize;
+    ushort phentsize;
+    ushort phnum;
+    ushort shentsize;
+    ushort shnum;
+    ushort shstrndx;
+};
+
+// Program section header
+struct proghdr {
+    uint type;
+    uint off;
+    uint vaddr;
+    uint paddr;
+    uint filesz;
+    uint memsz;
+    uint flags;
+    uint align;
+};
+
+// Values for Proghdr type
+#define ELF_PROG_LOAD           1
+
+// Flag bits for Proghdr flags
+#define ELF_PROG_FLAG_EXEC      1
+#define ELF_PROG_FLAG_WRITE     2
+#define ELF_PROG_FLAG_READ      4