From d5f485a4f6801f58cbb2bc9d8e80c955c79ff044 Mon Sep 17 00:00:00 2001
From: Ada Christine <adachristine18@gmail.com>
Date: Fri, 17 Dec 2021 16:06:06 +0000
Subject: R_AMD64_RELATIVE relocations implemented for EFI shim

---
 api/elf/elf64.h       | 22 ++++++++++++++++++++++
 api/loader/efi/shim.h |  2 --
 2 files changed, 22 insertions(+), 2 deletions(-)

(limited to 'api')

diff --git a/api/elf/elf64.h b/api/elf/elf64.h
index 4473d15..d975c35 100644
--- a/api/elf/elf64.h
+++ b/api/elf/elf64.h
@@ -18,6 +18,9 @@ typedef struct Elf64_Shdr Elf64_Shdr;
 typedef struct Elf64_Sym Elf64_Sym;
 typedef struct Elf64_Dyn Elf64_Dyn;
 
+typedef struct Elf64_Rel Elf64_Rel;
+typedef struct Elf64_Rela Elf64_Rela;
+
 #define EM_X86_64 62
 
 struct Elf64_Ehdr
@@ -84,3 +87,22 @@ struct Elf64_Dyn
     };
 };
 
+#define ELF64_R_SYM(info) ((info)>>32)
+#define ELF64_R_TYPE(info) ((Elf64_Word)(info))
+#define ELF64_R_INFO(sym, type) (((Elf64_Xword)(sym)<<32)+(Elf64_Xword)(type))
+
+#define R_AMD64_RELATIVE 8
+
+struct Elf64_Rel
+{
+    Elf64_Addr r_offset;
+    Elf64_Xword r_info;
+};
+
+struct Elf64_Rela
+{
+    Elf64_Addr r_offset;
+    Elf64_Xword r_info;
+    Elf64_Sxword r_addend;
+};
+
diff --git a/api/loader/efi/shim.h b/api/loader/efi/shim.h
index 3486c34..9421cc3 100644
--- a/api/loader/efi/shim.h
+++ b/api/loader/efi/shim.h
@@ -13,8 +13,6 @@
 #define OsVendorMemoryType(t) ((EFI_MEMORY_TYPE)(0x80000000|t))
 #define SystemMemoryType OsVendorMemoryType(1)
 
-struct efi_loader_image;
-
 struct efi_loader_image
 {
     CHAR16 *path;
-- 
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