elf.h: update RISC-V relocation types

Note:sSome relocation types were only used by binutils and accidentally
exposed to previous versions of psABI (e.g.
riscv-non-isa/riscv-elf-psabi-doc#205
riscv-non-isa/riscv-elf-psabi-doc#323). One of
the value has been has been reused by GOT32_PCREL.

Author: MaskRay

include/elf.h

@@ -3254,6 +3254,7 @@ enum
 #define R_RISCV_TLS_DTPREL64    9
 #define R_RISCV_TLS_TPREL32     10
 #define R_RISCV_TLS_TPREL64     11
+#define R_RISCV_TLSDESC         12
 
 #define R_RISCV_BRANCH          16
 #define R_RISCV_JAL             17
@@ -3280,23 +3281,26 @@ enum
 #define R_RISCV_SUB16           38
 #define R_RISCV_SUB32           39
 #define R_RISCV_SUB64           40
-#define R_RISCV_GNU_VTINHERIT   41
-#define R_RISCV_GNU_VTENTRY     42
+#define R_RISCV_GOT32_PCREL     41
 #define R_RISCV_ALIGN           43
 #define R_RISCV_RVC_BRANCH      44
 #define R_RISCV_RVC_JUMP        45
 #define R_RISCV_RVC_LUI         46
-#define R_RISCV_GPREL_I         47
-#define R_RISCV_GPREL_S         48
-#define R_RISCV_TPREL_I         49
-#define R_RISCV_TPREL_S         50
 #define R_RISCV_RELAX           51
 #define R_RISCV_SUB6            52
 #define R_RISCV_SET6            53
 #define R_RISCV_SET8            54
 #define R_RISCV_SET16           55
 #define R_RISCV_SET32           56
 #define R_RISCV_32_PCREL        57
+#define R_RISCV_IRELATIVE       58
+#define R_RISCV_PLT32           59
+#define R_RISCV_SET_ULEB128     60
+#define R_RISCV_SUB_ULEB128     61
+#define R_RISCV_TLSDESC_HI20    62
+#define R_RISCV_TLSDESC_LOAD_LO12 63
+#define R_RISCV_TLSDESC_ADD_LO12  64
+#define R_RISCV_TLSDESC_CALL    65
 
 #ifdef __cplusplus
 }