From 07569b3406100ecc60b175cb7cfadf13547fe38d Mon Sep 17 00:00:00 2001 From: caiyinyu Date: Tue, 27 Jul 2021 15:14:34 +0800 Subject: [PATCH 01/14] LoongArch: Add relocations and ELF flags to elf.h * elf/elf.h (EM_LOONGARCH): New define. (EF_LARCH_ABI): Likewise. (EF_LARCH_ABI_LP64): Likewise. (EF_LARCH_ABI_LP32): Likewise. (R_LARCH_NONE): Likewise. (R_LARCH_32): Likewise. (R_LARCH_64): Likewise. (R_LARCH_RELATIVE): Likewise. (R_LARCH_COPY): Likewise. (R_LARCH_JUMP_SLOT): Likewise. (R_LARCH_TLS_DTPMOD32): Likewise. (R_LARCH_TLS_DTPMOD64): Likewise. (R_LARCH_TLS_DTPREL32): Likewise. (R_LARCH_TLS_DTPREL64): Likewise. (R_LARCH_TLS_TPREL32): Likewise. (R_LARCH_TLS_TPREL64): Likewise. (R_LARCH_IRELATIVE): Likewise. (R_LARCH_MARK_LA): Likewise. (R_LARCH_MARK_PCREL): Likewise. (R_LARCH_SOP_PUSH_PCREL): Likewise. (R_LARCH_SOP_PUSH_ABSOLUTE): Likewise. (R_LARCH_SOP_PUSH_DUP): Likewise. (R_LARCH_SOP_PUSH_GPREL): Likewise. (R_LARCH_SOP_PUSH_TLS_TPREL): Likewise. (R_LARCH_SOP_PUSH_TLS_GOT): Likewise. (R_LARCH_SOP_PUSH_TLS_GD): Likewise. (R_LARCH_SOP_PUSH_PLT_PCREL): Likewise. (R_LARCH_SOP_ASSERT): Likewise. (R_LARCH_SOP_NOT): Likewise. (R_LARCH_SOP_SUB): Likewise. (R_LARCH_SOP_SL): Likewise. (R_LARCH_SOP_SR): Likewise. (R_LARCH_SOP_ADD): Likewise. (R_LARCH_SOP_AND): Likewise. (R_LARCH_SOP_IF_ELSE): Likewise. (R_LARCH_SOP_POP_32_S_10_5): Likewise. (R_LARCH_SOP_POP_32_U_10_12): Likewise. (R_LARCH_SOP_POP_32_S_10_12): Likewise. (R_LARCH_SOP_POP_32_S_10_16): Likewise. (R_LARCH_SOP_POP_32_S_10_16_S2): Likewise. (R_LARCH_SOP_POP_32_S_5_20): Likewise. (R_LARCH_SOP_POP_32_S_0_5_10_16_S2): Likewise. (R_LARCH_SOP_POP_32_S_0_10_10_16_S2): Likewise. (R_LARCH_SOP_POP_32_U): Likewise. (R_LARCH_ADD8): Likewise. (R_LARCH_ADD16): Likewise. (R_LARCH_ADD24): Likewise. (R_LARCH_ADD32): Likewise. (R_LARCH_ADD64): Likewise. (R_LARCH_SUB8): Likewise. (R_LARCH_SUB16): Likewise. (R_LARCH_SUB24): Likewise. (R_LARCH_SUB32): Likewise. (R_LARCH_SUB64): Likewise. (R_LARCH_GNU_VTINHERIT): Likewise. (R_LARCH_GNU_VTENTRY): Likewise. --- elf/elf.h | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 71 insertions(+), 1 deletion(-) diff --git a/elf/elf.h b/elf/elf.h index 4738dfa28f..03ece6832d 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. */ @@ -4034,6 +4035,75 @@ enum #define R_NDS32_TLS_TPOFF 102 #define R_NDS32_TLS_DESC 119 +/* LoongArch ELF Flags */ +#define EF_LARCH_ABI 0x0003 +#define EF_LARCH_ABI_LP64 0x0003 +#define EF_LARCH_ABI_LP32 0x0001 + +/* 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 + + /* I don't know what it is. Existing in almost all other arch. */ +#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 -- 2.27.0