finally implemented fork() syscall

1 files changed, 64 insertions, 0 deletions

diff --git a/fs/elf.c b/fs/elf.c
new file mode 100644
index 0000000..3b2f2b3
--- /dev/null
+++ b/fs/elf.c
@@ -0,0 +1,64 @@
+#include <stdint.h>
+
+#define EI_NIDENT 16
+
+
+typedef uint32_t Elf32_Addr;
+typedef uint32_t Elf32_Off;
+typedef uint16_t Elf32_Section;
+typedef uint16_t Elf32_Versym;
+typedef unsigned char Elf_Byte;
+typedef uint16_t Elf32_Half;
+typedef int32_t Elf32_Sword;
+typedef uint32_t Elf32_Word;
+typedef int64_t Elf32_Sxword;
+typedef uint64_t Elf32_Xword;
+
+
+typedef struct
+{
+
+        unsigned char   e_ident[EI_NIDENT];
+        Elf32_Half      e_type;
+        Elf32_Half      e_machine;
+        Elf32_Word      e_version;
+        Elf32_Addr      e_entry;
+        Elf32_Off       e_phoff;
+        Elf32_Off       e_shoff;
+        Elf32_Word      e_flags;
+        Elf32_Half      e_ehsize;
+        Elf32_Half      e_phentsize;
+        Elf32_Half      e_phnum;
+        Elf32_Half      e_shentsize;
+        Elf32_Half      e_shnum;
+        Elf32_Half      e_shstrndx;
+
+}
+Elf32_Ehdr;
+
+
+typedef struct {
+       Elf32_Word      sh_name;
+       Elf32_Word      sh_type;
+       Elf32_Word      sh_flags;
+       Elf32_Addr      sh_addr;
+       Elf32_Off       sh_offset;
+       Elf32_Word      sh_size;
+       Elf32_Word      sh_link;
+       Elf32_Word      sh_info;
+       Elf32_Word      sh_addralign;
+       Elf32_Word      sh_entsize;
+} Elf32_Shdr;
+
+typedef struct {
+
+       Elf32_Word      p_type;
+       Elf32_Off       p_offset;
+       Elf32_Addr      p_vaddr;
+       Elf32_Addr      p_paddr;
+       Elf32_Word      p_filesz;
+       Elf32_Word      p_memsz;
+       Elf32_Word      p_flags;
+       Elf32_Word      p_align;
+} 
+Elf32_Phdr;