mirror of https://github.com/golang/go.git
debug: define ELF relocation for loong64
Contributors to the loong64 port are: Weining Lu <luweining@loongson.cn> Lei Wang <wanglei@loongson.cn> Lingqin Gong <gonglingqin@loongson.cn> Xiaolin Zhao <zhaoxiaolin@loongson.cn> Meidan Li <limeidan@loongson.cn> Xiaojuan Zhai <zhaixiaojuan@loongson.cn> Qiyuan Pu <puqiyuan@loongson.cn> Guoqi Chen <chenguoqi@loongson.cn> This port has been updated to Go 1.15.6: https://github.com/loongson/go For #46229 Change-Id: I0c58305754c20d2a59328adbd82caa527de254ec Reviewed-on: https://go-review.googlesource.com/c/go/+/396735 Reviewed-by: Ian Lance Taylor <iant@golang.org> Trust: Cherry Mui <cherryyz@google.com>
This commit is contained in:
Xiaodong Liu
Ian Lance Taylor
parent
0b3cb1a56c
commit
cd33b4089c
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@ -0,0 +1,105 @@
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pkg debug/elf, const EM_LOONGARCH = 258 #46229
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pkg debug/elf, const EM_LOONGARCH Machine #46229
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pkg debug/elf, const R_LARCH_32 = 1 #46229
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pkg debug/elf, const R_LARCH_32 R_LARCH #46229
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pkg debug/elf, const R_LARCH_64 = 2 #46229
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pkg debug/elf, const R_LARCH_64 R_LARCH #46229
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pkg debug/elf, const R_LARCH_ADD16 = 48 #46229
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pkg debug/elf, const R_LARCH_ADD16 R_LARCH #46229
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pkg debug/elf, const R_LARCH_ADD24 = 49 #46229
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pkg debug/elf, const R_LARCH_ADD24 R_LARCH #46229
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pkg debug/elf, const R_LARCH_ADD32 = 50 #46229
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pkg debug/elf, const R_LARCH_ADD32 R_LARCH #46229
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pkg debug/elf, const R_LARCH_ADD64 = 51 #46229
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pkg debug/elf, const R_LARCH_ADD64 R_LARCH #46229
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pkg debug/elf, const R_LARCH_ADD8 = 47 #46229
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pkg debug/elf, const R_LARCH_ADD8 R_LARCH #46229
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pkg debug/elf, const R_LARCH_COPY = 4 #46229
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pkg debug/elf, const R_LARCH_COPY R_LARCH #46229
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pkg debug/elf, const R_LARCH_IRELATIVE = 12 #46229
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pkg debug/elf, const R_LARCH_IRELATIVE R_LARCH #46229
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pkg debug/elf, const R_LARCH_JUMP_SLOT = 5 #46229
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pkg debug/elf, const R_LARCH_JUMP_SLOT R_LARCH #46229
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pkg debug/elf, const R_LARCH_MARK_LA = 20 #46229
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pkg debug/elf, const R_LARCH_MARK_LA R_LARCH #46229
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pkg debug/elf, const R_LARCH_MARK_PCREL = 21 #46229
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pkg debug/elf, const R_LARCH_MARK_PCREL R_LARCH #46229
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pkg debug/elf, const R_LARCH_NONE = 0 #46229
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pkg debug/elf, const R_LARCH_NONE R_LARCH #46229
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pkg debug/elf, const R_LARCH_RELATIVE = 3 #46229
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pkg debug/elf, const R_LARCH_RELATIVE R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_ADD = 35 #46229
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pkg debug/elf, const R_LARCH_SOP_ADD R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_AND = 36 #46229
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pkg debug/elf, const R_LARCH_SOP_AND R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_ASSERT = 30 #46229
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pkg debug/elf, const R_LARCH_SOP_ASSERT R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_IF_ELSE = 37 #46229
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pkg debug/elf, const R_LARCH_SOP_IF_ELSE R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_NOT = 31 #46229
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pkg debug/elf, const R_LARCH_SOP_NOT R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_0_10_10_16_S2 = 45 #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_0_10_10_16_S2 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_0_5_10_16_S2 = 44 #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_0_5_10_16_S2 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_12 = 40 #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_12 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_16 = 41 #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_16 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_16_S2 = 42 #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_16_S2 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_5 = 38 #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_10_5 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_5_20 = 43 #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_S_5_20 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_U = 46 #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_U R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_U_10_12 = 39 #46229
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pkg debug/elf, const R_LARCH_SOP_POP_32_U_10_12 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_ABSOLUTE = 23 #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_ABSOLUTE R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_DUP = 24 #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_DUP R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_GPREL = 25 #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_GPREL R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_PCREL = 22 #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_PCREL R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_PLT_PCREL = 29 #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_PLT_PCREL R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_TLS_GD = 28 #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_TLS_GD R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_TLS_GOT = 27 #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_TLS_GOT R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_TLS_TPREL = 26 #46229
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pkg debug/elf, const R_LARCH_SOP_PUSH_TLS_TPREL R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_SL = 33 #46229
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pkg debug/elf, const R_LARCH_SOP_SL R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_SR = 34 #46229
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pkg debug/elf, const R_LARCH_SOP_SR R_LARCH #46229
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pkg debug/elf, const R_LARCH_SOP_SUB = 32 #46229
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pkg debug/elf, const R_LARCH_SOP_SUB R_LARCH #46229
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pkg debug/elf, const R_LARCH_SUB16 = 53 #46229
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pkg debug/elf, const R_LARCH_SUB16 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SUB24 = 54 #46229
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pkg debug/elf, const R_LARCH_SUB24 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SUB32 = 55 #46229
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pkg debug/elf, const R_LARCH_SUB32 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SUB64 = 56 #46229
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pkg debug/elf, const R_LARCH_SUB64 R_LARCH #46229
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pkg debug/elf, const R_LARCH_SUB8 = 52 #46229
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pkg debug/elf, const R_LARCH_SUB8 R_LARCH #46229
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pkg debug/elf, const R_LARCH_TLS_DTPMOD32 = 6 #46229
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pkg debug/elf, const R_LARCH_TLS_DTPMOD32 R_LARCH #46229
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pkg debug/elf, const R_LARCH_TLS_DTPMOD64 = 7 #46229
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pkg debug/elf, const R_LARCH_TLS_DTPMOD64 R_LARCH #46229
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pkg debug/elf, const R_LARCH_TLS_DTPREL32 = 8 #46229
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pkg debug/elf, const R_LARCH_TLS_DTPREL32 R_LARCH #46229
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pkg debug/elf, const R_LARCH_TLS_DTPREL64 = 9 #46229
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pkg debug/elf, const R_LARCH_TLS_DTPREL64 R_LARCH #46229
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pkg debug/elf, const R_LARCH_TLS_TPREL32 = 10 #46229
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pkg debug/elf, const R_LARCH_TLS_TPREL32 R_LARCH #46229
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pkg debug/elf, const R_LARCH_TLS_TPREL64 = 11 #46229
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pkg debug/elf, const R_LARCH_TLS_TPREL64 R_LARCH #46229
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pkg debug/elf, method (R_LARCH) GoString() string #46229
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pkg debug/elf, method (R_LARCH) String() string #46229
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pkg debug/elf, type R_LARCH int #46229
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@ -384,6 +384,7 @@ const (
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EM_RISCV Machine = 243 /* RISC-V */
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EM_LANAI Machine = 244 /* Lanai 32-bit processor */
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EM_BPF Machine = 247 /* Linux BPF – in-kernel virtual machine */
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EM_LOONGARCH Machine = 258 /* LoongArch */
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/* Non-standard or deprecated. */
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EM_486 Machine = 6 /* Intel i486. */
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@ -575,6 +576,7 @@ var machineStrings = []intName{
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{243, "EM_RISCV"},
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{244, "EM_LANAI"},
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{247, "EM_BPF"},
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{258, "EM_LOONGARCH"},
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/* Non-standard or deprecated. */
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{6, "EM_486"},
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@ -2150,6 +2152,118 @@ var rmipsStrings = []intName{
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func (i R_MIPS) String() string { return stringName(uint32(i), rmipsStrings, false) }
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func (i R_MIPS) GoString() string { return stringName(uint32(i), rmipsStrings, true) }
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// Relocation types for LARCH.
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type R_LARCH int
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const (
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R_LARCH_NONE R_LARCH = 0
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R_LARCH_32 R_LARCH = 1
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R_LARCH_64 R_LARCH = 2
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R_LARCH_RELATIVE R_LARCH = 3
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R_LARCH_COPY R_LARCH = 4
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R_LARCH_JUMP_SLOT R_LARCH = 5
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R_LARCH_TLS_DTPMOD32 R_LARCH = 6
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R_LARCH_TLS_DTPMOD64 R_LARCH = 7
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R_LARCH_TLS_DTPREL32 R_LARCH = 8
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R_LARCH_TLS_DTPREL64 R_LARCH = 9
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R_LARCH_TLS_TPREL32 R_LARCH = 10
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R_LARCH_TLS_TPREL64 R_LARCH = 11
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R_LARCH_IRELATIVE R_LARCH = 12
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R_LARCH_MARK_LA R_LARCH = 20
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R_LARCH_MARK_PCREL R_LARCH = 21
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R_LARCH_SOP_PUSH_PCREL R_LARCH = 22
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R_LARCH_SOP_PUSH_ABSOLUTE R_LARCH = 23
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R_LARCH_SOP_PUSH_DUP R_LARCH = 24
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R_LARCH_SOP_PUSH_GPREL R_LARCH = 25
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R_LARCH_SOP_PUSH_TLS_TPREL R_LARCH = 26
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R_LARCH_SOP_PUSH_TLS_GOT R_LARCH = 27
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R_LARCH_SOP_PUSH_TLS_GD R_LARCH = 28
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R_LARCH_SOP_PUSH_PLT_PCREL R_LARCH = 29
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R_LARCH_SOP_ASSERT R_LARCH = 30
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R_LARCH_SOP_NOT R_LARCH = 31
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R_LARCH_SOP_SUB R_LARCH = 32
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R_LARCH_SOP_SL R_LARCH = 33
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R_LARCH_SOP_SR R_LARCH = 34
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R_LARCH_SOP_ADD R_LARCH = 35
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R_LARCH_SOP_AND R_LARCH = 36
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R_LARCH_SOP_IF_ELSE R_LARCH = 37
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R_LARCH_SOP_POP_32_S_10_5 R_LARCH = 38
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R_LARCH_SOP_POP_32_U_10_12 R_LARCH = 39
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R_LARCH_SOP_POP_32_S_10_12 R_LARCH = 40
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R_LARCH_SOP_POP_32_S_10_16 R_LARCH = 41
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R_LARCH_SOP_POP_32_S_10_16_S2 R_LARCH = 42
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R_LARCH_SOP_POP_32_S_5_20 R_LARCH = 43
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R_LARCH_SOP_POP_32_S_0_5_10_16_S2 R_LARCH = 44
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R_LARCH_SOP_POP_32_S_0_10_10_16_S2 R_LARCH = 45
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R_LARCH_SOP_POP_32_U R_LARCH = 46
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R_LARCH_ADD8 R_LARCH = 47
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R_LARCH_ADD16 R_LARCH = 48
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R_LARCH_ADD24 R_LARCH = 49
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R_LARCH_ADD32 R_LARCH = 50
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R_LARCH_ADD64 R_LARCH = 51
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R_LARCH_SUB8 R_LARCH = 52
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R_LARCH_SUB16 R_LARCH = 53
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R_LARCH_SUB24 R_LARCH = 54
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R_LARCH_SUB32 R_LARCH = 55
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R_LARCH_SUB64 R_LARCH = 56
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)
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var rlarchStrings = []intName{
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{0, "R_LARCH_NONE"},
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{1, "R_LARCH_32"},
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{2, "R_LARCH_64"},
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{3, "R_LARCH_RELATIVE"},
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{4, "R_LARCH_COPY"},
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{5, "R_LARCH_JUMP_SLOT"},
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{6, "R_LARCH_TLS_DTPMOD32"},
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{7, "R_LARCH_TLS_DTPMOD64"},
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{8, "R_LARCH_TLS_DTPREL32"},
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{9, "R_LARCH_TLS_DTPREL64"},
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{10, "R_LARCH_TLS_TPREL32"},
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{11, "R_LARCH_TLS_TPREL64"},
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{12, "R_LARCH_IRELATIVE"},
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{20, "R_LARCH_MARK_LA"},
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{21, "R_LARCH_MARK_PCREL"},
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{22, "R_LARCH_SOP_PUSH_PCREL"},
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{23, "R_LARCH_SOP_PUSH_ABSOLUTE"},
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{24, "R_LARCH_SOP_PUSH_DUP"},
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{25, "R_LARCH_SOP_PUSH_GPREL"},
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{26, "R_LARCH_SOP_PUSH_TLS_TPREL"},
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{27, "R_LARCH_SOP_PUSH_TLS_GOT"},
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{28, "R_LARCH_SOP_PUSH_TLS_GD"},
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{29, "R_LARCH_SOP_PUSH_PLT_PCREL"},
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{30, "R_LARCH_SOP_ASSERT"},
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{31, "R_LARCH_SOP_NOT"},
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{32, "R_LARCH_SOP_SUB"},
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{33, "R_LARCH_SOP_SL"},
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{34, "R_LARCH_SOP_SR"},
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{35, "R_LARCH_SOP_ADD"},
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{36, "R_LARCH_SOP_AND"},
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{37, "R_LARCH_SOP_IF_ELSE"},
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{38, "R_LARCH_SOP_POP_32_S_10_5"},
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{39, "R_LARCH_SOP_POP_32_U_10_12"},
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{40, "R_LARCH_SOP_POP_32_S_10_12"},
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{41, "R_LARCH_SOP_POP_32_S_10_16"},
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{42, "R_LARCH_SOP_POP_32_S_10_16_S2"},
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{43, "R_LARCH_SOP_POP_32_S_5_20"},
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{44, "R_LARCH_SOP_POP_32_S_0_5_10_16_S2"},
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{45, "R_LARCH_SOP_POP_32_S_0_10_10_16_S2"},
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{46, "R_LARCH_SOP_POP_32_U"},
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{47, "R_LARCH_ADD8"},
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{48, "R_LARCH_ADD16"},
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{49, "R_LARCH_ADD24"},
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{50, "R_LARCH_ADD32"},
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{51, "R_LARCH_ADD64"},
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{52, "R_LARCH_SUB8"},
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{53, "R_LARCH_SUB16"},
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{54, "R_LARCH_SUB24"},
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{55, "R_LARCH_SUB32"},
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{56, "R_LARCH_SUB64"},
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}
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func (i R_LARCH) String() string { return stringName(uint32(i), rlarchStrings, false) }
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func (i R_LARCH) GoString() string { return stringName(uint32(i), rlarchStrings, true) }
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// Relocation types for PowerPC.
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//
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// Values that are shared by both R_PPC and R_PPC64 are prefixed with
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@ -633,6 +633,8 @@ func (f *File) applyRelocations(dst []byte, rels []byte) error {
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return f.applyRelocationsMIPS(dst, rels)
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case f.Class == ELFCLASS64 && f.Machine == EM_MIPS:
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return f.applyRelocationsMIPS64(dst, rels)
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case f.Class == ELFCLASS64 && f.Machine == EM_LOONGARCH:
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return f.applyRelocationsLOONG64(dst, rels)
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case f.Class == ELFCLASS64 && f.Machine == EM_RISCV:
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return f.applyRelocationsRISCV64(dst, rels)
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case f.Class == ELFCLASS64 && f.Machine == EM_S390:
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@ -1006,6 +1008,54 @@ func (f *File) applyRelocationsMIPS64(dst []byte, rels []byte) error {
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return nil
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}
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func (f *File) applyRelocationsLOONG64(dst []byte, rels []byte) error {
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// 24 is the size of Rela64.
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if len(rels)%24 != 0 {
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return errors.New("length of relocation section is not a multiple of 24")
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}
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symbols, _, err := f.getSymbols(SHT_SYMTAB)
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if err != nil {
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return err
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}
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b := bytes.NewReader(rels)
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var rela Rela64
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for b.Len() > 0 {
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binary.Read(b, f.ByteOrder, &rela)
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var symNo uint64
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var t R_LARCH
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symNo = rela.Info >> 32
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t = R_LARCH(rela.Info & 0xffff)
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if symNo == 0 || symNo > uint64(len(symbols)) {
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continue
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}
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sym := &symbols[symNo-1]
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if !canApplyRelocation(sym) {
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continue
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}
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switch t {
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case R_LARCH_64:
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if rela.Off+8 >= uint64(len(dst)) || rela.Addend < 0 {
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continue
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}
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val64 := sym.Value + uint64(rela.Addend)
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f.ByteOrder.PutUint64(dst[rela.Off:rela.Off+8], val64)
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case R_LARCH_32:
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if rela.Off+4 >= uint64(len(dst)) || rela.Addend < 0 {
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continue
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}
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val32 := uint32(sym.Value) + uint32(rela.Addend)
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f.ByteOrder.PutUint32(dst[rela.Off:rela.Off+4], val32)
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}
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}
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return nil
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}
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func (f *File) applyRelocationsRISCV64(dst []byte, rels []byte) error {
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// 24 is the size of Rela64.
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if len(rels)%24 != 0 {
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