From: Adhemerval Zanella Netto <adhemerval.zanella@linaro.org>
To: caiyinyu <caiyinyu@loongson.cn>, libc-alpha@sourceware.org
Cc: joseph_myers@mentor.com
Subject: Re: [PATCH v6 03/13] LoongArch: Add relocations and ELF flags to elf.h and scripts/glibcelf.py
Date: Tue, 12 Jul 2022 16:27:08 -0300 [thread overview]
Message-ID: <00473032-506e-d6ef-1c60-079767947f21@linaro.org> (raw)
In-Reply-To: <20220708065255.2316410-4-caiyinyu@loongson.cn>
LGTM, thanks.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
On 08/07/22 03:52, caiyinyu wrote:
> ---
> elf/elf.h | 68 ++++++++++++++++++++++++++++++++++++++++++++-
> scripts/glibcelf.py | 3 +-
> 2 files changed, 69 insertions(+), 2 deletions(-)
>
> diff --git a/elf/elf.h b/elf/elf.h
> index 2b5c2c5fb6..02a1b3f52f 100644
> --- a/elf/elf.h
> +++ b/elf/elf.h
> @@ -358,8 +358,9 @@ typedef struct
>
> #define EM_BPF 247 /* Linux BPF -- in-kernel virtual machine */
> #define EM_CSKY 252 /* C-SKY */
> +#define EM_LOONGARCH 258 /* LoongArch */
>
> -#define EM_NUM 253
> +#define EM_NUM 259
>
> /* Old spellings/synonyms. */
>
> @@ -4083,6 +4084,71 @@ enum
> #define R_NDS32_TLS_TPOFF 102
> #define R_NDS32_TLS_DESC 119
>
> +/* LoongArch ELF Flags */
> +#define EF_LARCH_ABI 0x07
> +#define EF_LARCH_ABI_LP64D 0x03
> +
> +/* LoongArch specific dynamic relocations */
> +#define R_LARCH_NONE 0
> +#define R_LARCH_32 1
> +#define R_LARCH_64 2
> +#define R_LARCH_RELATIVE 3
> +#define R_LARCH_COPY 4
> +#define R_LARCH_JUMP_SLOT 5
> +#define R_LARCH_TLS_DTPMOD32 6
> +#define R_LARCH_TLS_DTPMOD64 7
> +#define R_LARCH_TLS_DTPREL32 8
> +#define R_LARCH_TLS_DTPREL64 9
> +#define R_LARCH_TLS_TPREL32 10
> +#define R_LARCH_TLS_TPREL64 11
> +#define R_LARCH_IRELATIVE 12
> +
> +/* Reserved for future relocs that the dynamic linker must understand. */
> +
> +/* used by the static linker for relocating .text. */
> +#define R_LARCH_MARK_LA 20
> +#define R_LARCH_MARK_PCREL 21
> +#define R_LARCH_SOP_PUSH_PCREL 22
> +#define R_LARCH_SOP_PUSH_ABSOLUTE 23
> +#define R_LARCH_SOP_PUSH_DUP 24
> +#define R_LARCH_SOP_PUSH_GPREL 25
> +#define R_LARCH_SOP_PUSH_TLS_TPREL 26
> +#define R_LARCH_SOP_PUSH_TLS_GOT 27
> +#define R_LARCH_SOP_PUSH_TLS_GD 28
> +#define R_LARCH_SOP_PUSH_PLT_PCREL 29
> +#define R_LARCH_SOP_ASSERT 30
> +#define R_LARCH_SOP_NOT 31
> +#define R_LARCH_SOP_SUB 32
> +#define R_LARCH_SOP_SL 33
> +#define R_LARCH_SOP_SR 34
> +#define R_LARCH_SOP_ADD 35
> +#define R_LARCH_SOP_AND 36
> +#define R_LARCH_SOP_IF_ELSE 37
> +#define R_LARCH_SOP_POP_32_S_10_5 38
> +#define R_LARCH_SOP_POP_32_U_10_12 39
> +#define R_LARCH_SOP_POP_32_S_10_12 40
> +#define R_LARCH_SOP_POP_32_S_10_16 41
> +#define R_LARCH_SOP_POP_32_S_10_16_S2 42
> +#define R_LARCH_SOP_POP_32_S_5_20 43
> +#define R_LARCH_SOP_POP_32_S_0_5_10_16_S2 44
> +#define R_LARCH_SOP_POP_32_S_0_10_10_16_S2 45
> +#define R_LARCH_SOP_POP_32_U 46
> +
> +/* used by the static linker for relocating non .text. */
> +#define R_LARCH_ADD8 47
> +#define R_LARCH_ADD16 48
> +#define R_LARCH_ADD24 49
> +#define R_LARCH_ADD32 50
> +#define R_LARCH_ADD64 51
> +#define R_LARCH_SUB8 52
> +#define R_LARCH_SUB16 53
> +#define R_LARCH_SUB24 54
> +#define R_LARCH_SUB32 55
> +#define R_LARCH_SUB64 56
> +#define R_LARCH_GNU_VTINHERIT 57
> +#define R_LARCH_GNU_VTENTRY 58
> +
> +
> /* ARCompact/ARCv2 specific relocs. */
> #define R_ARC_NONE 0x0
> #define R_ARC_8 0x1
> diff --git a/scripts/glibcelf.py b/scripts/glibcelf.py
> index 47f95d07ba..de0509130e 100644
> --- a/scripts/glibcelf.py
> +++ b/scripts/glibcelf.py
> @@ -252,7 +252,8 @@ class Machine(_OpenIntEnum):
> EM_RISCV = 243
> EM_BPF = 247
> EM_CSKY = 252
> - EM_NUM = 253
> + EM_LOONGARCH = 258
> + EM_NUM = 259
> EM_ALPHA = 0x9026
>
> class Et(_OpenIntEnum):
next prev parent reply other threads:[~2022-07-12 19:27 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-08 6:52 [PATCH v6 00/13] GLIBC LoongArch PATCHES caiyinyu
2022-07-08 6:52 ` [PATCH v6 01/13] LoongArch: Update NEWS and README for the LoongArch port caiyinyu
2022-07-12 11:06 ` Adhemerval Zanella Netto
2022-07-08 6:52 ` [PATCH v6 02/13] LoongArch: Add LoongArch entries to config.h.in caiyinyu
2022-07-12 18:51 ` Adhemerval Zanella Netto
2022-07-08 6:52 ` [PATCH v6 03/13] LoongArch: Add relocations and ELF flags to elf.h and scripts/glibcelf.py caiyinyu
2022-07-12 19:27 ` Adhemerval Zanella Netto [this message]
2022-07-08 6:52 ` [PATCH v6 04/13] LoongArch: ABI Implementation caiyinyu
2022-07-12 20:39 ` Adhemerval Zanella Netto
2022-07-15 1:46 ` caiyinyu
2022-07-08 6:52 ` [PATCH v6 05/13] LoongArch: Thread-Local Storage Support caiyinyu
2022-07-13 13:10 ` Adhemerval Zanella Netto
2022-07-08 6:52 ` [PATCH v6 06/13] LoongArch: Generic <math.h> and soft-fp Routines caiyinyu
2022-07-13 13:25 ` Adhemerval Zanella Netto
2022-07-08 6:52 ` [PATCH v6 07/13] LoongArch: Atomic and Locking Routines caiyinyu
2022-07-13 13:53 ` Adhemerval Zanella Netto
2022-07-15 1:46 ` caiyinyu
2022-07-08 6:52 ` [PATCH v6 08/13] LoongArch: Linux Syscall Interface caiyinyu
2022-07-13 16:19 ` Adhemerval Zanella Netto
2023-09-13 11:05 ` caiyinyu
2022-07-08 6:52 ` [PATCH v6 09/13] LoongArch: Linux ABI caiyinyu
2022-07-13 16:35 ` Adhemerval Zanella Netto
2022-07-15 1:48 ` caiyinyu
2022-07-08 6:52 ` [PATCH v6 10/13] LoongArch: Add ABI Lists caiyinyu
2022-07-13 17:12 ` Adhemerval Zanella Netto
2022-07-08 6:52 ` [PATCH v6 11/13] LoongArch: Build Infastructure caiyinyu
2022-07-13 3:07 ` Xi Ruoyao
2022-07-13 3:43 ` WANG Xuerui
2022-07-13 7:51 ` caiyinyu
2022-07-13 17:48 ` Adhemerval Zanella Netto
2022-07-15 1:49 ` caiyinyu
2022-07-08 6:52 ` [PATCH v6 12/13] LoongArch: Hard Float Support caiyinyu
2022-07-13 19:22 ` Adhemerval Zanella Netto
2022-07-14 13:00 ` caiyinyu
2022-07-08 7:13 ` [PATCH v6 00/13] GLIBC LoongArch PATCHES Xi Ruoyao
2022-07-08 7:15 ` Xi Ruoyao
2022-07-13 19:55 ` Adhemerval Zanella Netto
2022-07-14 11:33 ` Xi Ruoyao
2022-07-14 12:11 ` Adhemerval Zanella Netto
2022-07-18 13:54 ` Carlos O'Donell
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