usermode capable kernel with logging syscall

1 files changed, 78 insertions, 0 deletions

diff --git a/arch/x86_64/elf.h b/arch/x86_64/elf.h
new file mode 100644
index 0000000..ebcd228
--- /dev/null
+++ b/arch/x86_64/elf.h
@@ -0,0 +1,78 @@
+#ifndef JOVE_ARCH_x86_64_ELF_H
+#define JOVE_ARCH_x86_64_ELF_H 1
+
+#include <stdint.h>
+
+#define EI_MAG0 0
+#define EI_MAG1 1
+#define EI_MAG2 2
+#define EI_MAG3 3
+#define EI_CLASS 4
+#define EI_DATA 5
+#define EI_VERSION 6
+#define EI_OSABI 7
+#define EI_ABIVERSION 8
+#define EI_PAD 9
+
+#define E_IDENT_MAG0 0x7F
+#define E_IDENT_MAG1 'E'
+#define E_IDENT_MAG2 'L'
+#define E_IDENT_MAG3 'F'
+
+#define E_IDENT_CLASS32 1
+#define E_IDENT_CLASS64 2
+
+#define ET_EXEC 0x02
+
+struct ELF_header
+{
+    uint8_t e_ident[15];
+    uint16_t e_type;
+    uint16_t e_machine;
+    uint32_t e_version;
+    uint64_t e_entry;
+    uint64_t e_phoff;
+    uint64_t e_shoff;
+    uint32_t e_flags;
+    uint16_t e_ehsize;
+    uint16_t e_phentsize;
+    uint16_t e_phnum;
+    uint16_t e_shentsize;
+    uint16_t e_shnum;
+    uint16_t e_shstrndx;
+};
+
+#define PT_NULL 0
+#define PT_LOAD 1
+
+#define PF_X 1
+#define PF_W 2
+#define PF_R 4
+
+struct ELF_phdr
+{
+    uint32_t p_type;
+    uint32_t p_flags;
+    uint64_t p_offset;
+    uint64_t p_vaddr;
+    uint64_t p_paddr;
+    uint64_t p_filesz;
+    uint64_t p_memsz;
+    uint64_t p_align;
+};
+
+struct ELF_shdr
+{
+    uint32_t sh_name;
+    uint32_t sh_type;
+    uint64_t sh_flags;
+    uint64_t sh_addr;
+    uint64_t sh_offset;
+    uint64_t sh_size;
+    uint32_t sh_link;
+    uint32_t sh_info;
+    uint64_t sh_addralign;
+    uint64_t sh_entsize;
+};
+
+#endif