refactor: restructure the user space stuff.

[lunaix-os.git] / lunaix-os / uprog / includes / ld / elf.h

diff --git a/lunaix-os/uprog/includes/ld/elf.h b/lunaix-os/uprog/includes/ld/elf.h
new file mode 100644 (file)
index 0000000..c699605
--- /dev/null
+++ b/lunaix-os/uprog/includes/ld/elf.h
@@ -0,0 +1,67 @@
+#ifndef __LUNAIX_LD_ELF_H
+#define __LUNAIX_LD_ELF_H
+
+typedef unsigned int elf32_ptr_t;
+typedef unsigned short elf32_hlf_t;
+typedef unsigned int elf32_off_t;
+typedef unsigned int elf32_swd_t;
+typedef unsigned int elf32_wrd_t;
+
+#define ET_NONE 0
+#define ET_EXEC 2
+#define ET_DYN 3
+
+#define PT_LOAD 1
+#define PT_DYNAMIC 2
+#define PT_INTERP 3
+
+#define PF_X 0x1
+#define PF_W 0x2
+#define PF_R 0x4
+
+#define EM_NONE 0
+#define EM_386 3
+
+#define EV_CURRENT 1
+
+// [0x7f, 'E', 'L', 'F']
+#define ELFMAGIC 0x464c457fU
+#define ELFCLASS32 1
+#define ELFCLASS64 2
+#define ELFDATA2LSB 1
+#define ELFDATA2MSB 2
+
+#define EI_CLASS 4
+#define EI_DATA 5
+
+struct elf32_ehdr
+{
+  unsigned char e_ident[16];
+  elf32_hlf_t e_type;
+  elf32_hlf_t e_machine;
+  elf32_wrd_t e_version;
+  elf32_ptr_t e_entry;
+  elf32_off_t e_phoff;
+  elf32_off_t e_shoff;
+  elf32_wrd_t e_flags;
+  elf32_hlf_t e_ehsize;
+  elf32_hlf_t e_phentsize;
+  elf32_hlf_t e_phnum;
+  elf32_hlf_t e_shentsize;
+  elf32_hlf_t e_shnum;
+  elf32_hlf_t e_shstrndx;
+};
+
+struct elf32_phdr
+{
+  elf32_wrd_t p_type;
+  elf32_off_t p_offset;
+  elf32_ptr_t p_va;
+  elf32_ptr_t p_pa;
+  elf32_wrd_t p_filesz;
+  elf32_wrd_t p_memsz;
+  elf32_wrd_t p_flags;
+  elf32_wrd_t p_align;
+};
+
+#endif /* __LUNAIX_ELF_H */