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authorSimon Glass <sjg@chromium.org>2016-11-07 08:47:09 -0700
committerAlexander Graf <agraf@suse.de>2016-11-14 23:24:03 +0100
commitc70f74a081c2005b0a4749cf8762fc14b7369ddb (patch)
tree6edbba17396a181e6ef05ca4c5e6696b88017949
parentc7ae3dfdccc171543804d6577ee41ab03e7a09bc (diff)
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elf: arm: Add a few ARM relocation types
Rather than hard-coding the relocation type, add it to the ELF header file and use it from there. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Alexander Graf <agraf@suse.de>
-rw-r--r--arch/arm/lib/relocate.S3
-rw-r--r--arch/arm/lib/relocate_64.S3
-rw-r--r--include/elf.h13
3 files changed, 17 insertions, 2 deletions
diff --git a/arch/arm/lib/relocate.S b/arch/arm/lib/relocate.S
index 475d503..a6fb07c 100644
--- a/arch/arm/lib/relocate.S
+++ b/arch/arm/lib/relocate.S
@@ -8,6 +8,7 @@
#include <asm-offsets.h>
#include <config.h>
+#include <elf.h>
#include <linux/linkage.h>
#ifdef CONFIG_CPU_V7M
#include <asm/armv7m.h>
@@ -96,7 +97,7 @@ copy_loop:
fixloop:
ldmia r2!, {r0-r1} /* (r0,r1) <- (SRC location,fixup) */
and r1, r1, #0xff
- cmp r1, #23 /* relative fixup? */
+ cmp r1, #R_ARM_RELATIVE
bne fixnext
/* relative fix: increase location by offset */
diff --git a/arch/arm/lib/relocate_64.S b/arch/arm/lib/relocate_64.S
index 5c51cae..242e56e 100644
--- a/arch/arm/lib/relocate_64.S
+++ b/arch/arm/lib/relocate_64.S
@@ -10,6 +10,7 @@
#include <asm-offsets.h>
#include <config.h>
+#include <elf.h>
#include <linux/linkage.h>
#include <asm/macro.h>
@@ -47,7 +48,7 @@ fixloop:
ldp x0, x1, [x2], #16 /* (x0,x1) <- (SRC location, fixup) */
ldr x4, [x2], #8 /* x4 <- addend */
and x1, x1, #0xffffffff
- cmp x1, #1027 /* relative fixup? */
+ cmp x1, #R_AARCH64_RELATIVE
bne fixnext
/* relative fix: store addend plus offset at dest location */
diff --git a/include/elf.h b/include/elf.h
index bcc5eb7..aaecac7 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -13,6 +13,7 @@
#ifndef _ELF_H
#define _ELF_H
+#ifndef __ASSEMBLER__
#include "compiler.h"
/*
@@ -517,6 +518,8 @@ unsigned long elf_hash(const unsigned char *name);
#define ELF_TARG_VER 1 /* The ver for which this code is intended */
+#endif /* __ASSEMBLER */
+
/*
* XXX - PowerPC defines really don't belong in here,
* but we'll put them in for simplicity.
@@ -602,6 +605,16 @@ unsigned long elf_hash(const unsigned char *name);
that may still be in object files. */
#define R_PPC_TOC16 255
+ /* ARM relocs */
+#define R_ARM_NONE 0 /* No reloc */
+#define R_ARM_RELATIVE 23 /* Adjust by program base */
+
+/* AArch64 relocs */
+#define R_AARCH64_NONE 0 /* No relocation. */
+#define R_AARCH64_RELATIVE 1027 /* Adjust by program base. */
+
+#ifndef __ASSEMBLER__
int valid_elf_image(unsigned long addr);
+#endif
#endif /* _ELF_H */