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authorSimon Glass <sjg@chromium.org>2015-07-31 09:31:21 -0600
committerSimon Glass <sjg@chromium.org>2015-08-05 08:42:40 -0600
commit5efa28139cac60683387415df479f6413988aa65 (patch)
treee38deb933e71285ce8e573a13dc0f9cc5412da76 /include/elf.h
parent753812cb2eccf18f0f1537fd1a5dd9659b60a505 (diff)
elf: Add a few definitions for 64-bit relocation
Provide the types necessary to relocate 64-bit images. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'include/elf.h')
-rw-r--r--include/elf.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/elf.h b/include/elf.h
index 63d93416a3e..a35e085d82a 100644
--- a/include/elf.h
+++ b/include/elf.h
@@ -28,6 +28,16 @@ typedef int32_t Elf32_Sword; /* Signed large integer */
typedef uint32_t Elf32_Word; /* Unsigned large integer */
typedef uint16_t Elf32_Half; /* Unsigned medium integer */
+/* 64-bit ELF base types. */
+typedef uint64_t Elf64_Addr;
+typedef uint16_t Elf64_Half;
+typedef int16_t Elf64_SHalf;
+typedef uint64_t Elf64_Off;
+typedef int32_t Elf64_Sword;
+typedef uint32_t Elf64_Word;
+typedef uint64_t Elf64_Xword;
+typedef int64_t Elf64_Sxword;
+
/* e_ident[] identification indexes */
#define EI_MAG0 0 /* file ID */
#define EI_MAG1 1 /* file ID */
@@ -379,6 +389,11 @@ typedef struct
Elf32_Sword r_addend;
} Elf32_Rela;
+typedef struct {
+ Elf64_Addr r_offset; /* Location at which to apply the action */
+ Elf64_Xword r_info; /* index and type of relocation */
+} Elf64_Rel;
+
/* Extract relocation info - r_info */
#define ELF32_R_SYM(i) ((i) >> 8)
#define ELF32_R_TYPE(i) ((unsigned char) (i))
@@ -431,6 +446,17 @@ typedef struct
extern Elf32_Dyn _DYNAMIC[];
+typedef struct {
+ Elf64_Sxword d_tag; /* entry tag value */
+ union {
+ Elf64_Xword d_val;
+ Elf64_Addr d_ptr;
+ } d_un;
+} Elf64_Dyn;
+
+#define ELF64_R_SYM(i) ((i) >> 32)
+#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
+
/* Dynamic Array Tags - d_tag */
#define DT_NULL 0 /* marks end of _DYNAMIC array */
#define DT_NEEDED 1 /* string table offset of needed lib */