[PATCH 1/2] libelf: Sync elf.h from glibc.

[PATCH 1/2] libelf: Sync elf.h from glibc.

[Youling Tang]

Adds R_LARCH_*.

Signed-off-by: Youling Tang <tangyouling@loongson.cn>
---
 libelf/ChangeLog |  4 ++++
 libelf/elf.h     | 42 +++++++++++++++++++++++++++++++++++++++++-
 2 files changed, 45 insertions(+), 1 deletion(-)

diff --git a/libelf/ChangeLog b/libelf/ChangeLog
index 8cc3c53c..1d5178ca 100644
--- a/libelf/ChangeLog
+++ b/libelf/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-01  Youling Tang  <tangyouling@loongson.cn>
+
+	* elf.h: Update from glibc.
+
 2023-03-03  Mark Wielaard  <mark@klomp.org>
 
 	* libelf.h: Define ELFCOMPRESS_ZSTD if undefined.
diff --git a/libelf/elf.h b/libelf/elf.h
index da41bad3..4bc0e429 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -1,5 +1,5 @@
 /* This file defines standard ELF types, structures, and macros.
-   Copyright (C) 1995-2022 Free Software Foundation, Inc.
+   Copyright (C) 1995-2023 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -4159,6 +4159,46 @@ enum
 #define R_LARCH_GNU_VTINHERIT  57
 #define R_LARCH_GNU_VTENTRY  58
 
+/* reserved 59-63 */
+
+#define R_LARCH_B16 64
+#define R_LARCH_B21 65
+#define R_LARCH_B26 66
+#define R_LARCH_ABS_HI20 67
+#define R_LARCH_ABS_LO12 68
+#define R_LARCH_ABS64_LO20 69
+#define R_LARCH_ABS64_HI12 70
+#define R_LARCH_PCALA_HI20 71
+#define R_LARCH_PCALA_LO12 72
+#define R_LARCH_PCALA64_LO20 73
+#define R_LARCH_PCALA64_HI12 74
+#define R_LARCH_GOT_PC_HI20 75
+#define R_LARCH_GOT_PC_LO12 76
+#define R_LARCH_GOT64_PC_LO20 77
+#define R_LARCH_GOT64_PC_HI12 78
+#define R_LARCH_GOT_HI20 79
+#define R_LARCH_GOT_LO12 80
+#define R_LARCH_GOT64_LO20 81
+#define R_LARCH_GOT64_HI12 82
+#define R_LARCH_TLS_LE_HI20 83
+#define R_LARCH_TLS_LE_LO12 84
+#define R_LARCH_TLS_LE64_LO20 85
+#define R_LARCH_TLS_LE64_HI12 86
+#define R_LARCH_TLS_IE_PC_HI20 87
+#define R_LARCH_TLS_IE_PC_LO12 88
+#define R_LARCH_TLS_IE64_PC_LO20 89
+#define R_LARCH_TLS_IE64_PC_HI12 90
+#define R_LARCH_TLS_IE_HI20 91
+#define R_LARCH_TLS_IE_LO12 92
+#define R_LARCH_TLS_IE64_LO20 93
+#define R_LARCH_TLS_IE64_HI12 94
+#define R_LARCH_TLS_LD_PC_HI20 95
+#define R_LARCH_TLS_LD_HI20 96
+#define R_LARCH_TLS_GD_PC_HI20 97
+#define R_LARCH_TLS_GD_HI20 98
+#define R_LARCH_32_PCREL 99
+#define R_LARCH_RELAX 100
+
 /* ARC specific declarations.  */
 
 /* Processor specific flags for the Ehdr e_flags field.  */
-- 
2.37.1

[PATCH 2/2] backends: Add new relocation type handling for LoongArch

[Youling Tang]

Add new relocation type handling.

Signed-off-by: Youling Tang <tangyouling@loongson.cn>
---
 backends/ChangeLog           |  4 ++++
 backends/loongarch_reloc.def | 40 ++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+)

diff --git a/backends/ChangeLog b/backends/ChangeLog
index 41071953..cff82b01 100644
--- a/backends/ChangeLog
+++ b/backends/ChangeLog
@@ -1,3 +1,7 @@
+2023-04-01  Youling Tang  <tangyouling@loongson.cn>
+
+	* loongarch_reloc.def: Add RELOC_TYPE B16 to RELAX.
+
 2023-04-01  Youling Tang <tangyouling@loongson.cn>
 	* loongarch_init.c (loongarch_init): Hook check_special_symbol.
 	* loongarch_symbol.c (loongarch_check_special_symbol): New function.
diff --git a/backends/loongarch_reloc.def b/backends/loongarch_reloc.def
index dd4a6b6d..fd204924 100644
--- a/backends/loongarch_reloc.def
+++ b/backends/loongarch_reloc.def
@@ -79,3 +79,43 @@ RELOC_TYPE (SUB32,			REL)
 RELOC_TYPE (SUB64,			REL)
 RELOC_TYPE (GNU_VTINHERIT,		REL)
 RELOC_TYPE (GNU_VTENTRY,		REL)
+
+/* reserved 59-63 */
+
+RELOC_TYPE (B16,			REL)
+RELOC_TYPE (B21,			REL)
+RELOC_TYPE (B26,			REL)
+RELOC_TYPE (ABS_HI20,			REL)
+RELOC_TYPE (ABS_LO12,			REL)
+RELOC_TYPE (ABS64_LO20,			REL)
+RELOC_TYPE (ABS64_HI12,			REL)
+RELOC_TYPE (PCALA_HI20,			REL)
+RELOC_TYPE (PCALA_LO12,			REL)
+RELOC_TYPE (PCALA64_LO20,		REL)
+RELOC_TYPE (PCALA64_HI12,		REL)
+RELOC_TYPE (GOT_PC_HI20,		REL)
+RELOC_TYPE (GOT_PC_LO12,		REL)
+RELOC_TYPE (GOT64_PC_LO20,		REL)
+RELOC_TYPE (GOT64_PC_HI12,		REL)
+RELOC_TYPE (GOT_HI20,			REL)
+RELOC_TYPE (GOT_LO12,			REL)
+RELOC_TYPE (GOT64_LO20,			REL)
+RELOC_TYPE (GOT64_HI12,			REL)
+RELOC_TYPE (TLS_LE_HI20,		REL)
+RELOC_TYPE (TLS_LE_LO12,		REL)
+RELOC_TYPE (TLS_LE64_LO20,		REL)
+RELOC_TYPE (TLS_LE64_HI12,		REL)
+RELOC_TYPE (TLS_IE_PC_HI20,		REL)
+RELOC_TYPE (TLS_IE_PC_LO12,		REL)
+RELOC_TYPE (TLS_IE64_PC_LO20,		REL)
+RELOC_TYPE (TLS_IE64_PC_HI12,		REL)
+RELOC_TYPE (TLS_IE_HI20,		REL)
+RELOC_TYPE (TLS_IE_LO12,		REL)
+RELOC_TYPE (TLS_IE64_LO20,		REL)
+RELOC_TYPE (TLS_IE64_HI12,		REL)
+RELOC_TYPE (TLS_LD_PC_HI20,		REL)
+RELOC_TYPE (TLS_LD_HI20,		REL)
+RELOC_TYPE (TLS_GD_PC_HI20,		REL)
+RELOC_TYPE (TLS_GD_HI20,		REL)
+RELOC_TYPE (32_PCREL,			REL)
+RELOC_TYPE (RELAX,			REL)
-- 
2.37.1

Re: [PATCH 1/2] libelf: Sync elf.h from glibc.

[Mark Wielaard]

On Sat, Apr 01, 2023 at 02:43:43PM +0800, Youling Tang wrote:
> Adds R_LARCH_*.

Thanks, pushed.

Re: [PATCH 2/2] backends: Add new relocation type handling for LoongArch

[Mark Wielaard]

On Sat, Apr 01, 2023 at 02:43:44PM +0800, Youling Tang wrote:
> Add new relocation type handling.

Thanks, looks good. Pushed.

Cheers,

Mark

[PATCH 1/2] libelf: Sync elf.h from glibc

[Mark Wielaard]

	* libelf/elf.h: Adds AT_HWCAP{3,4}, NT_FDO_DLOPEN_METADATA
	and R_LARCH_TLS_DESC{32,64}.

Signed-off-by: Mark Wielaard <mark@klomp.org>
---
 libelf/elf.h | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/libelf/elf.h b/libelf/elf.h
index f2206e5c065d..081742a9c38c 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -1234,6 +1234,10 @@ typedef struct
 #define AT_RSEQ_FEATURE_SIZE	27	/* rseq supported feature size.  */
 #define AT_RSEQ_ALIGN	28		/* rseq allocation alignment.  */
 
+/* More machine-dependent hints about processor capabilities.  */
+#define AT_HWCAP3	29		/* extension of AT_HWCAP.  */
+#define AT_HWCAP4	30		/* extension of AT_HWCAP.  */
+
 #define AT_EXECFN	31		/* Filename of executable.  */
 
 /* Pointer to the global system page used for system calls and other
@@ -1333,9 +1337,13 @@ typedef struct
 #define NT_GNU_PROPERTY_TYPE_0 5
 
 /* Packaging metadata as defined on
-   https://systemd.io/COREDUMP_PACKAGE_METADATA/ */
+   https://systemd.io/ELF_PACKAGE_METADATA/ */
 #define NT_FDO_PACKAGING_METADATA 0xcafe1a7e
 
+/* dlopen metadata as defined on
+   https://systemd.io/ELF_DLOPEN_METADATA/ */
+#define NT_FDO_DLOPEN_METADATA 0x407c0c0a
+
 /* Note section name of program property.   */
 #define NOTE_GNU_PROPERTY_SECTION_NAME ".note.gnu.property"
 
@@ -4237,6 +4245,8 @@ enum
 #define R_LARCH_TLS_TPREL32	10
 #define R_LARCH_TLS_TPREL64	11
 #define R_LARCH_IRELATIVE	12
+#define R_LARCH_TLS_DESC32	13
+#define R_LARCH_TLS_DESC64	14
 
 /* Reserved for future relocs that the dynamic linker must understand.  */
 
-- 
2.45.1

[PATCH 1/2] libelf: Sync elf.h from glibc

[Xi Ruoyao]

Adds new LoongArch relocations.

Signed-off-by: Xi Ruoyao <xry111@xry111.site>
---
 libelf/elf.h | 31 ++++++++++++++++++++++++++++++-
 1 file changed, 30 insertions(+), 1 deletion(-)

diff --git a/libelf/elf.h b/libelf/elf.h
index 7b4a8fe4..f2206e5c 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -1,5 +1,5 @@
 /* This file defines standard ELF types, structures, and macros.
-   Copyright (C) 1995-2023 Free Software Foundation, Inc.
+   Copyright (C) 1995-2024 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -791,9 +791,12 @@ typedef struct
 					   Register */
 #define NT_PPC_PKEY	0x110		/* Memory Protection Keys
 					   registers.  */
+#define NT_PPC_DEXCR	0x111		/* PowerPC DEXCR registers.  */
+#define NT_PPC_HASHKEYR	0x112		/* PowerPC HASHKEYR register.  */
 #define NT_386_TLS	0x200		/* i386 TLS slots (struct user_desc) */
 #define NT_386_IOPERM	0x201		/* x86 io permission bitmap (1=deny) */
 #define NT_X86_XSTATE	0x202		/* x86 extended state using xsave */
+#define NT_X86_SHSTK	0x204		/* x86 SHSTK state */
 #define NT_S390_HIGH_GPRS	0x300	/* s390 upper register halves */
 #define NT_S390_TIMER	0x301		/* s390 timer register */
 #define NT_S390_TODCMP	0x302		/* s390 TOD clock comparator register */
@@ -832,6 +835,8 @@ typedef struct
 #define NT_MIPS_DSP	0x800		/* MIPS DSP ASE registers.  */
 #define NT_MIPS_FP_MODE	0x801		/* MIPS floating-point mode.  */
 #define NT_MIPS_MSA	0x802		/* MIPS SIMD registers.  */
+#define NT_RISCV_CSR	0x900		/* RISC-V Control and Status Registers */
+#define NT_RISCV_VECTOR	0x901		/* RISC-V vector registers */
 #define NT_LOONGARCH_CPUCFG	0xa00	/* LoongArch CPU config registers.  */
 #define NT_LOONGARCH_CSR	0xa01	/* LoongArch control and
 					   status registers.  */
@@ -841,6 +846,8 @@ typedef struct
 					   SIMD Extension registers.  */
 #define NT_LOONGARCH_LBT	0xa04	/* LoongArch Loongson Binary
 					   Translation registers.  */
+#define NT_LOONGARCH_HW_BREAK	0xa05   /* LoongArch hardware breakpoint registers */
+#define NT_LOONGARCH_HW_WATCH	0xa06   /* LoongArch hardware watchpoint registers */
 
 /* Legal values for the note segment descriptor types for object files.  */
 
@@ -3632,6 +3639,11 @@ enum
 /* x86-64 sh_type values.  */
 #define SHT_X86_64_UNWIND	0x70000001 /* Unwind information.  */
 
+/* x86-64 d_tag values.  */
+#define DT_X86_64_PLT		(DT_LOPROC + 0)
+#define DT_X86_64_PLTSZ		(DT_LOPROC + 1)
+#define DT_X86_64_PLTENT	(DT_LOPROC + 3)
+#define DT_X86_64_NUM		4
 
 /* AM33 relocations.  */
 #define R_MN10300_NONE		0	/* No reloc.  */
@@ -4319,6 +4331,23 @@ enum
 #define R_LARCH_ADD_ULEB128 107
 #define R_LARCH_SUB_ULEB128 108
 #define R_LARCH_64_PCREL 109
+#define R_LARCH_CALL36 110
+#define R_LARCH_TLS_DESC_PC_HI20 111
+#define R_LARCH_TLS_DESC_PC_LO12 112
+#define R_LARCH_TLS_DESC64_PC_LO20 113
+#define R_LARCH_TLS_DESC64_PC_HI12 114
+#define R_LARCH_TLS_DESC_HI20 115
+#define R_LARCH_TLS_DESC_LO12 116
+#define R_LARCH_TLS_DESC64_LO20 117
+#define R_LARCH_TLS_DESC64_HI12 118
+#define R_LARCH_TLS_DESC_LD 119
+#define R_LARCH_TLS_DESC_CALL 120
+#define R_LARCH_TLS_LE_HI20_R 121
+#define R_LARCH_TLS_LE_ADD_R 122
+#define R_LARCH_TLS_LE_LO12_R 123
+#define R_LARCH_TLS_LD_PCREL20_S2 124
+#define R_LARCH_TLS_GD_PCREL20_S2 125
+#define R_LARCH_TLS_DESC_PCREL20_S2 126
 
 /* ARC specific declarations.  */
 
-- 
2.43.2

Re: [PATCH 1/2] libelf: Sync elf.h from Glibc

[Mark Wielaard]

On Tue, 2023-08-29 at 21:14 +0800, Xi Ruoyao via Elfutils-devel wrote:
> Adds new LoongArch relocations.
> 
> 	* elf.h: Update from glibc.

Thanks, matches current glibc elf/elf.h.

Pushed,

Mark

[PATCH 1/2] libelf: Sync elf.h from Glibc

[Xi Ruoyao]

Adds new LoongArch relocations.

	* elf.h: Update from glibc.

Signed-off-by: Xi Ruoyao <xry111@xry111.site>
---
 libelf/elf.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libelf/elf.h b/libelf/elf.h
index 89fc8021..9c51073f 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -4205,6 +4205,15 @@ enum
 #define R_LARCH_TLS_GD_HI20 98
 #define R_LARCH_32_PCREL 99
 #define R_LARCH_RELAX 100
+#define R_LARCH_DELETE 101
+#define R_LARCH_ALIGN 102
+#define R_LARCH_PCREL20_S2 103
+#define R_LARCH_CFA 104
+#define R_LARCH_ADD6 105
+#define R_LARCH_SUB6 106
+#define R_LARCH_ADD_ULEB128 107
+#define R_LARCH_SUB_ULEB128 108
+#define R_LARCH_64_PCREL 109
 
 /* ARC specific declarations.  */
 
-- 
2.42.0

Re: [PATCH 1/2] libelf: Sync elf.h from glibc.

[Mark Wielaard]

On Wed, Dec 16, 2020 at 01:44:44PM +0300, Dmitry V. Levin wrote:
> On Sat, Dec 12, 2020 at 11:38:54PM +0100, Mark Wielaard wrote:
> > Adds SHF_GNU_RETAIN.
> 
> This is obviously OK.

Thanks, pushed.

Re: [PATCH 1/2] libelf: Sync elf.h from glibc.

[Dmitry V. Levin]

On Sat, Dec 12, 2020 at 11:38:54PM +0100, Mark Wielaard wrote:
> Adds SHF_GNU_RETAIN.

This is obviously OK.


-- 
ldv

[PATCH 1/2] libelf: Sync elf.h from glibc.

[Mark Wielaard]

Adds SHF_GNU_RETAIN.

Signed-off-by: Mark Wielaard <mark@klomp.org>
---
 libelf/ChangeLog |  4 ++++
 libelf/elf.h     | 13 +++++++------
 2 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/libelf/ChangeLog b/libelf/ChangeLog
index 41727fbd..2d8bbe5d 100644
--- a/libelf/ChangeLog
+++ b/libelf/ChangeLog
@@ -1,3 +1,7 @@
+2020-12-12  Mark Wielaard  <mark@klomp.org>
+
+	* elf.h: Update from glibc.
+
 2020-12-12  Dmitry V. Levin  <ldv@altlinux.org>
 
 	* common.h: Fix spelling typo in comment.
diff --git a/libelf/elf.h b/libelf/elf.h
index 6439c1a4..8e3e618f 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -318,7 +318,7 @@ typedef struct
 				/* reserved 184 */
 #define EM_AVR32	185	/* Amtel 32-bit microprocessor */
 #define EM_STM8		186	/* STMicroelectronics STM8 */
-#define EM_TILE64	187	/* Tileta TILE64 */
+#define EM_TILE64	187	/* Tilera TILE64 */
 #define EM_TILEPRO	188	/* Tilera TILEPro */
 #define EM_MICROBLAZE	189	/* Xilinx MicroBlaze */
 #define EM_CUDA		190	/* NVIDIA CUDA */
@@ -441,7 +441,7 @@ typedef struct
 #define SHT_FINI_ARRAY	  15		/* Array of destructors */
 #define SHT_PREINIT_ARRAY 16		/* Array of pre-constructors */
 #define SHT_GROUP	  17		/* Section group */
-#define SHT_SYMTAB_SHNDX  18		/* Extended section indeces */
+#define SHT_SYMTAB_SHNDX  18		/* Extended section indices */
 #define	SHT_NUM		  19		/* Number of defined types.  */
 #define SHT_LOOS	  0x60000000	/* Start OS-specific.  */
 #define SHT_GNU_ATTRIBUTES 0x6ffffff5	/* Object attributes.  */
@@ -478,6 +478,7 @@ typedef struct
 #define SHF_COMPRESSED	     (1 << 11)	/* Section with compressed data. */
 #define SHF_MASKOS	     0x0ff00000	/* OS-specific.  */
 #define SHF_MASKPROC	     0xf0000000	/* Processor-specific */
+#define SHF_GNU_RETAIN	     (1 << 21)  /* Not to be GCed by linker.  */
 #define SHF_ORDERED	     (1 << 30)	/* Special ordering requirement
 					   (Solaris).  */
 #define SHF_EXCLUDE	     (1U << 31)	/* Section is excluded unless
@@ -1046,7 +1047,7 @@ typedef struct
 #define	VER_NDX_LORESERVE	0xff00	/* Beginning of reserved entries.  */
 #define	VER_NDX_ELIMINATE	0xff01	/* Symbol is to be eliminated.  */
 
-/* Auxialiary version information.  */
+/* Auxiliary version information.  */
 
 typedef struct
 {
@@ -2139,9 +2140,9 @@ enum
 #define EFA_PARISC_1_1		    0x0210 /* PA-RISC 1.1 big-endian.  */
 #define EFA_PARISC_2_0		    0x0214 /* PA-RISC 2.0 big-endian.  */
 
-/* Additional section indeces.  */
+/* Additional section indices.  */
 
-#define SHN_PARISC_ANSI_COMMON	0xff00	   /* Section for tenatively declared
+#define SHN_PARISC_ANSI_COMMON	0xff00	   /* Section for tentatively declared
 					      symbols in ANSI C.  */
 #define SHN_PARISC_HUGE_COMMON	0xff01	   /* Common blocks in huge model.  */
 
@@ -3970,7 +3971,7 @@ enum
 #define R_METAG_RELBRANCH	4
 #define R_METAG_GETSETOFF	5
 
-/* Backward compatability */
+/* Backward compatibility */
 #define R_METAG_REG32OP1	6
 #define R_METAG_REG32OP2	7
 #define R_METAG_REG32OP3	8
-- 
2.20.1

Re: [PATCH 1/2] libelf: Sync elf.h from glibc.

[Mark Wielaard]

On Sat, 2020-08-29 at 00:42 +0200, Mark Wielaard wrote:
> Gets us DT_AARCH64_BTI_PLT and DT_AARCH64_PAC_PLT.

Pushed.

[PATCH 1/2] libelf: Sync elf.h from glibc.

[Mark Wielaard]

Gets us DT_AARCH64_BTI_PLT and DT_AARCH64_PAC_PLT.

Signed-off-by: Mark Wielaard <mark@klomp.org>
---
 libelf/ChangeLog | 4 ++++
 libelf/elf.h     | 2 ++
 2 files changed, 6 insertions(+)

diff --git a/libelf/ChangeLog b/libelf/ChangeLog
index 77044c1c..a3f15883 100644
--- a/libelf/ChangeLog
+++ b/libelf/ChangeLog
@@ -1,3 +1,7 @@
+2020-08-28  Mark Wielaard  <mark@klomp.org>
+
+	* elf.h: Update from glibc.
+
 2020-08-19  Mark Wielaard  <mark@klomp.org>
 
 	* elf32_updatenull.c (updatenull_wrlock): Fixup the sh_addralign
diff --git a/libelf/elf.h b/libelf/elf.h
index 197b557d..ff9f1dad 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -2875,6 +2875,8 @@ enum
 #define R_AARCH64_IRELATIVE	1032	/* STT_GNU_IFUNC relocation.  */
 
 /* AArch64 specific values for the Dyn d_tag field.  */
+#define DT_AARCH64_BTI_PLT	(DT_LOPROC + 1)
+#define DT_AARCH64_PAC_PLT	(DT_LOPROC + 3)
 #define DT_AARCH64_VARIANT_PCS	(DT_LOPROC + 5)
 #define DT_AARCH64_NUM		6
 
-- 
2.18.4

[PATCH 1/2] libelf: Sync elf.h from glibc

[Mao Han]

---
 libelf/ChangeLog |  4 +++
 libelf/elf.h     | 96 ++++++++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 98 insertions(+), 2 deletions(-)

diff --git a/libelf/ChangeLog b/libelf/ChangeLog
index d9b7749..d3bdac3 100644
--- a/libelf/ChangeLog
+++ b/libelf/ChangeLog
@@ -1,3 +1,7 @@
+2019-04-01  Mao Han  <han_mao@c-sky.com>
+
+	* elf.h: Update from glibc.
+
 2019-03-07  Mark Wielaard  <mark@klomp.org>
 
 	* elf32_updatefile.c (updatemmap): Use posix_memalign instead of
diff --git a/libelf/elf.h b/libelf/elf.h
index 75043bc..01648bd 100644
--- a/libelf/elf.h
+++ b/libelf/elf.h
@@ -1,5 +1,5 @@
 /* This file defines standard ELF types, structures, and macros.
-   Copyright (C) 1995-2018 Free Software Foundation, Inc.
+   Copyright (C) 1995-2019 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -360,8 +360,9 @@ typedef struct
 #define EM_RISCV	243	/* RISC-V */
 
 #define EM_BPF		247	/* Linux BPF -- in-kernel virtual machine */
+#define EM_CSKY		252     /* C-SKY */
 
-#define EM_NUM		248
+#define EM_NUM		253
 
 /* Old spellings/synonyms.  */
 
@@ -808,6 +809,9 @@ typedef struct
 #define NT_ARM_SYSTEM_CALL	0x404	/* ARM system call number */
 #define NT_ARM_SVE	0x405		/* ARM Scalable Vector Extension
 					   registers */
+#define NT_VMCOREDD	0x700		/* Vmcore Device Dump Note.  */
+#define NT_MIPS_DSP	0x800		/* MIPS DSP ASE registers.  */
+#define NT_MIPS_FP_MODE	0x801		/* MIPS floating-point mode.  */
 
 /* Legal values for the note segment descriptor types for object files.  */
 
@@ -1214,6 +1218,9 @@ typedef struct
 #define AT_L3_CACHESIZE		46
 #define AT_L3_CACHEGEOMETRY	47
 
+#define AT_MINSIGSTKSZ		51 /* Stack needed for signal delivery
+				      (AArch64).  */
+
 /* Note section contents.  Each entry in the note section begins with
    a header of a fixed form.  */
 
@@ -3015,6 +3022,81 @@ enum
 /* Keep this the last entry.  */
 #define R_ARM_NUM		256
 
+/* C-SKY */
+#define R_CKCORE_NONE               0	/* no reloc */
+#define R_CKCORE_ADDR32             1	/* direct 32 bit (S + A) */
+#define R_CKCORE_PCRELIMM8BY4       2	/* disp ((S + A - P) >> 2) & 0xff   */
+#define R_CKCORE_PCRELIMM11BY2      3	/* disp ((S + A - P) >> 1) & 0x7ff  */
+#define R_CKCORE_PCREL32            5	/* 32-bit rel (S + A - P)           */
+#define R_CKCORE_PCRELJSR_IMM11BY2  6	/* disp ((S + A - P) >>1) & 0x7ff   */
+#define R_CKCORE_RELATIVE           9	/* 32 bit adjust program base(B + A)*/
+#define R_CKCORE_COPY               10	/* 32 bit adjust by program base    */
+#define R_CKCORE_GLOB_DAT           11	/* off between got and sym (S)      */
+#define R_CKCORE_JUMP_SLOT          12	/* PLT entry (S) */
+#define R_CKCORE_GOTOFF             13	/* offset to GOT (S + A - GOT)      */
+#define R_CKCORE_GOTPC              14	/* PC offset to GOT (GOT + A - P)   */
+#define R_CKCORE_GOT32              15	/* 32 bit GOT entry (G) */
+#define R_CKCORE_PLT32              16	/* 32 bit PLT entry (G) */
+#define R_CKCORE_ADDRGOT            17	/* GOT entry in GLOB_DAT (GOT + G)  */
+#define R_CKCORE_ADDRPLT            18	/* PLT entry in GLOB_DAT (GOT + G)  */
+#define R_CKCORE_PCREL_IMM26BY2     19	/* ((S + A - P) >> 1) & 0x3ffffff   */
+#define R_CKCORE_PCREL_IMM16BY2     20	/* disp ((S + A - P) >> 1) & 0xffff */
+#define R_CKCORE_PCREL_IMM16BY4     21	/* disp ((S + A - P) >> 2) & 0xffff */
+#define R_CKCORE_PCREL_IMM10BY2     22	/* disp ((S + A - P) >> 1) & 0x3ff  */
+#define R_CKCORE_PCREL_IMM10BY4     23	/* disp ((S + A - P) >> 2) & 0x3ff  */
+#define R_CKCORE_ADDR_HI16          24	/* high & low 16 bit ADDR */
+                                        /* ((S + A) >> 16) & 0xffff */
+#define R_CKCORE_ADDR_LO16          25	/* (S + A) & 0xffff */
+#define R_CKCORE_GOTPC_HI16         26	/* high & low 16 bit GOTPC */
+                                        /* ((GOT + A - P) >> 16) & 0xffff */
+#define R_CKCORE_GOTPC_LO16         27	/* (GOT + A - P) & 0xffff */
+#define R_CKCORE_GOTOFF_HI16        28	/* high & low 16 bit GOTOFF */
+                                        /* ((S + A - GOT) >> 16) & 0xffff */
+#define R_CKCORE_GOTOFF_LO16        29	/* (S + A - GOT) & 0xffff */
+#define R_CKCORE_GOT12              30	/* 12 bit disp GOT entry (G) */
+#define R_CKCORE_GOT_HI16           31	/* high & low 16 bit GOT */
+                                        /* (G >> 16) & 0xffff */
+#define R_CKCORE_GOT_LO16           32	/* (G & 0xffff) */
+#define R_CKCORE_PLT12              33	/* 12 bit disp PLT entry (G) */
+#define R_CKCORE_PLT_HI16           34	/* high & low 16 bit PLT */
+                                        /* (G >> 16) & 0xffff */
+#define R_CKCORE_PLT_LO16           35	/* G & 0xffff */
+#define R_CKCORE_ADDRGOT_HI16       36	/* high & low 16 bit ADDRGOT */
+                                        /* (GOT + G * 4) & 0xffff */
+#define R_CKCORE_ADDRGOT_LO16       37	/* (GOT + G * 4) & 0xffff */
+#define R_CKCORE_ADDRPLT_HI16       38	/* high & low 16 bit ADDRPLT */
+                                        /* ((GOT + G * 4) >> 16) & 0xFFFF */
+#define R_CKCORE_ADDRPLT_LO16       39	/* (GOT+G*4) & 0xffff */
+#define R_CKCORE_PCREL_JSR_IMM26BY2 40	/* disp ((S+A-P) >>1) & x3ffffff */
+#define R_CKCORE_TOFFSET_LO16       41	/* (S+A-BTEXT) & 0xffff */
+#define R_CKCORE_DOFFSET_LO16       42	/* (S+A-BTEXT) & 0xffff */
+#define R_CKCORE_PCREL_IMM18BY2     43	/* disp ((S+A-P) >>1) & 0x3ffff */
+#define R_CKCORE_DOFFSET_IMM18      44	/* disp (S+A-BDATA) & 0x3ffff */
+#define R_CKCORE_DOFFSET_IMM18BY2   45	/* disp ((S+A-BDATA)>>1) & 0x3ffff */
+#define R_CKCORE_DOFFSET_IMM18BY4   46	/* disp ((S+A-BDATA)>>2) & 0x3ffff */
+#define R_CKCORE_GOT_IMM18BY4       48	/* disp (G >> 2) */
+#define R_CKCORE_PLT_IMM18BY4       49	/* disp (G >> 2) */
+#define R_CKCORE_PCREL_IMM7BY4      50	/* disp ((S+A-P) >>2) & 0x7f */
+#define R_CKCORE_TLS_LE32           51	/* 32 bit offset to TLS block */
+#define R_CKCORE_TLS_IE32           52
+#define R_CKCORE_TLS_GD32           53
+#define R_CKCORE_TLS_LDM32          54
+#define R_CKCORE_TLS_LDO32          55
+#define R_CKCORE_TLS_DTPMOD32       56
+#define R_CKCORE_TLS_DTPOFF32       57
+#define R_CKCORE_TLS_TPOFF32        58
+
+/* C-SKY elf header definition.  */
+#define EF_CSKY_ABIMASK		    0XF0000000
+#define EF_CSKY_OTHER		    0X0FFF0000
+#define EF_CSKY_PROCESSOR	    0X0000FFFF
+
+#define EF_CSKY_ABIV1		    0X10000000
+#define EF_CSKY_ABIV2		    0X20000000
+
+/* C-SKY attributes section.  */
+#define SHT_CSKY_ATTRIBUTES	    (SHT_LOPROC + 1)
+
 /* IA-64 specific declarations.  */
 
 /* Processor specific flags for the Ehdr e_flags field.  */
@@ -3915,6 +3997,16 @@ enum
 #define R_METAG_TLS_LE_HI16	60
 #define R_METAG_TLS_LE_LO16	61
 
+/* NDS32 relocations.  */
+#define R_NDS32_NONE		0
+#define R_NDS32_32_RELA 	20
+#define R_NDS32_COPY		39
+#define R_NDS32_GLOB_DAT	40
+#define R_NDS32_JMP_SLOT	41
+#define R_NDS32_RELATIVE	42
+#define R_NDS32_TLS_TPOFF	102
+#define R_NDS32_TLS_DESC	119
+
 __END_DECLS
 
 #endif	/* elf.h */
-- 
2.7.4