x86: Add asm/elf.h for x86-specific ELF definitions

Bring in this file from Linux 4.1. It supports relocation features specific
to x86.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
new file mode 100644 (file)
index 0000000..3bdcdfe
--- /dev/null
+++ b/arch/x86/include/asm/elf.h
@@ -0,0 +1,46 @@
+/*
+ * Brought in from Linux 4.1, removed things not useful to U-Boot.
+ * The definitions perhaps came from the GNU Library which is GPL.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#ifndef _ASM_X86_ELF_H
+#define _ASM_X86_ELF_H
+
+/* ELF register definitions */
+#define R_386_NONE     0
+#define R_386_32       1
+#define R_386_PC32     2
+#define R_386_GOT32    3
+#define R_386_PLT32    4
+#define R_386_COPY     5
+#define R_386_GLOB_DAT 6
+#define R_386_JMP_SLOT 7
+#define R_386_RELATIVE 8
+#define R_386_GOTOFF   9
+#define R_386_GOTPC    10
+#define R_386_NUM      11
+
+/* x86-64 relocation types */
+#define R_X86_64_NONE          0       /* No reloc */
+#define R_X86_64_64            1       /* Direct 64 bit  */
+#define R_X86_64_PC32          2       /* PC relative 32 bit signed */
+#define R_X86_64_GOT32         3       /* 32 bit GOT entry */
+#define R_X86_64_PLT32         4       /* 32 bit PLT address */
+#define R_X86_64_COPY          5       /* Copy symbol at runtime */
+#define R_X86_64_GLOB_DAT      6       /* Create GOT entry */
+#define R_X86_64_JUMP_SLOT     7       /* Create PLT entry */
+#define R_X86_64_RELATIVE      8       /* Adjust by program base */
+/* 32 bit signed pc relative offset to GOT */
+#define R_X86_64_GOTPCREL      9
+#define R_X86_64_32            10      /* Direct 32 bit zero extended */
+#define R_X86_64_32S           11      /* Direct 32 bit sign extended */
+#define R_X86_64_16            12      /* Direct 16 bit zero extended */
+#define R_X86_64_PC16          13      /* 16 bit sign extended pc relative */
+#define R_X86_64_8             14      /* Direct 8 bit sign extended  */
+#define R_X86_64_PC8           15      /* 8 bit sign extended pc relative */
+
+#define R_X86_64_NUM           16
+
+#endif