Started elf parser/loader

1 files changed, 52 insertions, 0 deletions

diff --git a/kernel/inc/load.h b/kernel/inc/load.h
index 60fecf9..597d3b5 100644
--- a/kernel/inc/load.h
+++ b/kernel/inc/load.h
@@ -5,6 +5,58 @@
 
 #include <proc.h>
 
+#define ELF_MAG 0x7F // 0
+#define ELF_32 (1) // 4: 32-bit Architecture
+#define ELF_LITTLE (1) // 5: Little Endian
+#define ELF_CURRENT (1) // 6: ELF Current Version
+#define ELF_386 (3) // header->machine x86 machine type
+
+#define ET_NONE 0 // Unkown type
+#define ET_REL 1 // Relocatable file
+#define ET_EXEC 2 // Executable file
+
+struct elf_header {
+	u8 ident[16];
+	u16 type;
+	u16 machine;
+	u32 version;
+	u32 entry;
+	u32 phoff;
+	u32 shoff;
+	u32 flags;
+	u16 ehsize;
+	u16 phentsize;
+	u16 phnum;
+	u16 shentsize;
+	u16 shnum;
+	u16 shstrndx;
+};
+
+struct elf_section_header {
+	u32 name;
+	u32 type;
+	u32 flags;
+	u32 addr;
+	u32 offset;
+	u32 size;
+	u32 link;
+	u32 info;
+	u32 addralign;
+	u32 entsize;
+};
+
+struct elf_program_header {
+	u32 type;
+	u32 offset;
+	u32 vaddr;
+	u32 paddr;
+	u32 filesz;
+	u32 memsz;
+	u32 flags;
+	u32 align;
+};
+
 void bin_load(char *path, struct proc *proc);
+void elf_load(char *path, struct proc *proc);
 
 #endif