[PATCH 01/19] LoongArch: Add elf-related definitions

[Huacai Chen <chenhuacai@loongson.cn>]

Add elf-related definitions for LoongArch, including: EM_LOONGARCH,
KEXEC_ARCH_LOONGARCH, AUDIT_ARCH_LOONGARCH32, AUDIT_ARCH_LOONGARCH64
and NT_LOONGARCH_*.

Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
---
 include/uapi/linux/audit.h  | 2 ++
 include/uapi/linux/elf-em.h | 1 +
 include/uapi/linux/elf.h    | 4 ++++
 include/uapi/linux/kexec.h  | 1 +
 scripts/sorttable.c         | 5 +++++
 5 files changed, 13 insertions(+)

diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index daa481729e9b..e6023f00eaf9 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -434,6 +434,8 @@ enum {
 #define AUDIT_ARCH_UNICORE	(EM_UNICORE|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_X86_64	(EM_X86_64|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_XTENSA	(EM_XTENSA)
+#define AUDIT_ARCH_LOONGARCH32	(EM_LOONGARCH|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_LOONGARCH64	(EM_LOONGARCH|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 
 #define AUDIT_PERM_EXEC		1
 #define AUDIT_PERM_WRITE	2
diff --git a/include/uapi/linux/elf-em.h b/include/uapi/linux/elf-em.h
index f47e853546fa..ef38c2bc5ab7 100644
--- a/include/uapi/linux/elf-em.h
+++ b/include/uapi/linux/elf-em.h
@@ -51,6 +51,7 @@
 #define EM_RISCV	243	/* RISC-V */
 #define EM_BPF		247	/* Linux BPF - in-kernel virtual machine */
 #define EM_CSKY		252	/* C-SKY */
+#define EM_LOONGARCH	258	/* LoongArch */
 #define EM_FRV		0x5441	/* Fujitsu FR-V */
 
 /*
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index 61bf4774b8f2..592385c55af3 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -432,6 +432,10 @@ typedef struct elf64_shdr {
 #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_LOONGARCH_CPUCFG	0x900	/* LoongArch CPU config registers */
+#define NT_LOONGARCH_LBT	0x901	/* LoongArch Loongson Binary Translation registers */
+#define NT_LOONGARCH_LSX	0x902	/* LoongArch Loongson SIMD Extension registers */
+#define NT_LOONGARCH_LASX	0x903	/* LoongArch Loongson Advanced SIMD Extension registers */
 
 /* Note types with note name "GNU" */
 #define NT_GNU_PROPERTY_TYPE_0	5
diff --git a/include/uapi/linux/kexec.h b/include/uapi/linux/kexec.h
index 778dc191c265..5ef2df004565 100644
--- a/include/uapi/linux/kexec.h
+++ b/include/uapi/linux/kexec.h
@@ -43,6 +43,7 @@
 #define KEXEC_ARCH_MIPS    ( 8 << 16)
 #define KEXEC_ARCH_AARCH64 (183 << 16)
 #define KEXEC_ARCH_RISCV   (243 << 16)
+#define KEXEC_ARCH_LOONGARCH	(258 << 16)
 
 /* The artificial cap on the number of segments passed to kexec_load. */
 #define KEXEC_SEGMENT_MAX 16
diff --git a/scripts/sorttable.c b/scripts/sorttable.c
index 0ef3abfc4a51..3823079cf692 100644
--- a/scripts/sorttable.c
+++ b/scripts/sorttable.c
@@ -54,6 +54,10 @@
 #define EM_ARCV2	195
 #endif
 
+#ifndef EM_LOONGARCH
+#define EM_LOONGARCH	258
+#endif
+
 static uint32_t (*r)(const uint32_t *);
 static uint16_t (*r2)(const uint16_t *);
 static uint64_t (*r8)(const uint64_t *);
@@ -347,6 +351,7 @@ static int do_file(char const *const fname, void *addr)
 	case EM_ARCOMPACT:
 	case EM_ARCV2:
 	case EM_ARM:
+	case EM_LOONGARCH:
 	case EM_MICROBLAZE:
 	case EM_MIPS:
 	case EM_XTENSA:
-- 
2.27.0