Re: [PATCH V12 05/24] LoongArch: Add ELF-related definitions

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在2022年6月1日六月 上午10:59,Huacai Chen写道:
> Add ELF-related definitions for LoongArch, including: EM_LOONGARCH,
> KEXEC_ARCH_LOONGARCH, AUDIT_ARCH_LOONGARCH32, AUDIT_ARCH_LOONGARCH64
> and NT_LOONGARCH_*.
>
> Reviewed-by: WANG Xuerui <git@xxxxxxxxxx>
> Signed-off-by: Huacai Chen <chenhuacai@xxxxxxxxxxx>

Reviewed-by: Jiaxun Yang <jiaxun.yang@xxxxxxxxxxx>


> ---
>  include/uapi/linux/audit.h  | 2 ++
>  include/uapi/linux/elf-em.h | 1 +
>  include/uapi/linux/elf.h    | 5 +++++
>  include/uapi/linux/kexec.h  | 1 +
>  scripts/sorttable.c         | 5 +++++
>  5 files changed, 14 insertions(+)
>
> diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
> index 8eda133ca4c1..7c1dc818b1d5 100644
> --- a/include/uapi/linux/audit.h
> +++ b/include/uapi/linux/audit.h
> @@ -439,6 +439,8 @@ 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 c4abd09c3da9..2b9f5e9985e5 100644
> --- a/include/uapi/linux/elf.h
> +++ b/include/uapi/linux/elf.h
> @@ -438,6 +438,11 @@ 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	0xa00	/* LoongArch CPU config registers */
> +#define NT_LOONGARCH_CSR	0xa01	/* LoongArch control and status 
> registers */
> +#define NT_LOONGARCH_LSX	0xa02	/* LoongArch Loongson SIMD Extension 
> registers */
> +#define NT_LOONGARCH_LASX	0xa03	/* LoongArch Loongson Advanced SIMD 
> Extension registers */
> +#define NT_LOONGARCH_LBT	0xa04	/* LoongArch Loongson Binary 
> Translation 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 fb7e2ef60825..981016e05cfa 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 d00504c5f530..fba40e99f354 100644
> --- a/scripts/sorttable.c
> +++ b/scripts/sorttable.c
> @@ -60,6 +60,10 @@
>  #define EM_RISCV	243
>  #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 *);
> @@ -313,6 +317,7 @@ 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

-- 
- Jiaxun




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