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authorSimon Glass <sjg@chromium.org>2015-08-04 12:33:45 -0600
committerSimon Glass <sjg@chromium.org>2015-08-05 08:44:05 -0600
commited3b4d37368694e682c2c24f2fd72414d3f645ae (patch)
tree491d8871acca7eb6dfd47acba9cec40025231150 /arch
parent981dca69f6a1df3b71f45350499cda12a40fd5ee (diff)
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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>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/include/asm/elf.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
new file mode 100644
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