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[111.98.113.1]) by smtp.gmail.com with ESMTPSA id qn11-20020a17090b3d4b00b00298f88c3e48sm7661885pjb.11.2024.02.20.09.56.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 20 Feb 2024 09:56:24 -0800 (PST) From: Tatsuyuki Ishi To: binutils@sourceware.org Cc: i@maskray.me, nelson@rivosinc.com, rui314@gmail.com, ruiu@bluewhale.systems, Tatsuyuki Ishi Subject: [PATCH v4 2/9] RISC-V: Add TLSDESC reloc definitions. Date: Wed, 21 Feb 2024 02:55:49 +0900 Message-ID: <20240220175556.304692-3-ishitatsuyuki@gmail.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240220175556.304692-1-ishitatsuyuki@gmail.com> References: <20230817180852.121628-2-ishitatsuyuki@gmail.com> <20240220175556.304692-1-ishitatsuyuki@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-11.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: bfd/ * elfxx-riscv.c: Add 5 TLSDESC reloc descriptions. * reloc.c: Likewise. * libbfd.h: Regenerate. * bfd-in2.h: Regenerate. include/ * elf/riscv.h: Add 5 TLSDESC reloc descriptions. --- v4: Fix complain_on_overflow and use complain_overflow_dont. bfd/bfd-in2.h | 4 +++ bfd/elfxx-riscv.c | 75 ++++++++++++++++++++++++++++++++++++++++++++- bfd/libbfd.h | 4 +++ bfd/reloc.c | 8 +++++ include/elf/riscv.h | 5 +++ 5 files changed, 95 insertions(+), 1 deletion(-) diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 37917845cf5..a335df522d2 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -5420,6 +5420,10 @@ enum bfd_reloc_code_real BFD_RELOC_RISCV_TLS_DTPREL64, BFD_RELOC_RISCV_TLS_TPREL32, BFD_RELOC_RISCV_TLS_TPREL64, + BFD_RELOC_RISCV_TLSDESC_HI20, + BFD_RELOC_RISCV_TLSDESC_LOAD_LO12, + BFD_RELOC_RISCV_TLSDESC_ADD_LO12, + BFD_RELOC_RISCV_TLSDESC_CALL, BFD_RELOC_RISCV_ALIGN, BFD_RELOC_RISCV_RVC_BRANCH, BFD_RELOC_RISCV_RVC_JUMP, diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c index 9a121b47121..a4aa71fd809 100644 --- a/bfd/elfxx-riscv.c +++ b/bfd/elfxx-riscv.c @@ -218,7 +218,20 @@ static reloc_howto_type howto_table[] = MINUS_ONE, /* dst_mask */ false), /* pcrel_offset */ - EMPTY_HOWTO (12), + HOWTO (R_RISCV_TLSDESC, /* type */ + 0, /* rightshift */ + 0, /* size is handled by dynamic linker */ + 0, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_RISCV_TLSDESC", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + MINUS_ONE, /* dst_mask */ + false), /* pcrel_offset */ + EMPTY_HOWTO (13), EMPTY_HOWTO (14), EMPTY_HOWTO (15), @@ -808,6 +821,62 @@ static reloc_howto_type howto_table[] = 0, /* src_mask */ 0, /* dst_mask */ false), /* pcrel_offset */ + + HOWTO (R_RISCV_TLSDESC_HI20, /* type */ + 0, /* rightshift */ + 4, /* size */ + 32, /* bitsize */ + true, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_RISCV_TLSDESC_HI20", /* name */ + true, /* partial_inplace */ + 0, /* src_mask */ + ENCODE_UTYPE_IMM (-1U), /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_RISCV_TLSDESC_LOAD_LO12, /* type */ + 0, /* rightshift */ + 4, /* size */ + 32, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_RISCV_TLSDESC_LOAD_LO12", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + ENCODE_ITYPE_IMM (-1U), /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_RISCV_TLSDESC_ADD_LO12, /* type */ + 0, /* rightshift */ + 4, /* size */ + 32, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_RISCV_TLSDESC_ADD_LO12", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + ENCODE_ITYPE_IMM (-1U), /* dst_mask */ + false), /* pcrel_offset */ + + HOWTO (R_RISCV_TLSDESC_CALL, /* type */ + 0, /* rightshift */ + 0, /* size */ + 0, /* bitsize */ + false, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + "R_RISCV_TLSDESC_CALL", /* name */ + false, /* partial_inplace */ + 0, /* src_mask */ + ENCODE_ITYPE_IMM (-1U), /* dst_mask */ + false) /* pcrel_offset */ }; static reloc_howto_type howto_table_internal[] = @@ -935,6 +1004,10 @@ static const struct elf_reloc_map riscv_reloc_map[] = { BFD_RELOC_RISCV_TPREL_LO12_I, R_RISCV_TPREL_LO12_I }, { BFD_RELOC_RISCV_TLS_GOT_HI20, R_RISCV_TLS_GOT_HI20 }, { BFD_RELOC_RISCV_TLS_GD_HI20, R_RISCV_TLS_GD_HI20 }, + { BFD_RELOC_RISCV_TLSDESC_HI20, R_RISCV_TLSDESC_HI20 }, + { BFD_RELOC_RISCV_TLSDESC_LOAD_LO12, R_RISCV_TLSDESC_LOAD_LO12 }, + { BFD_RELOC_RISCV_TLSDESC_ADD_LO12, R_RISCV_TLSDESC_ADD_LO12 }, + { BFD_RELOC_RISCV_TLSDESC_CALL, R_RISCV_TLSDESC_CALL }, { BFD_RELOC_RISCV_ALIGN, R_RISCV_ALIGN }, { BFD_RELOC_RISCV_RVC_BRANCH, R_RISCV_RVC_BRANCH }, { BFD_RELOC_RISCV_RVC_JUMP, R_RISCV_RVC_JUMP }, diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 40bbe6a3886..49f63a0b8e5 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -2409,6 +2409,10 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", "BFD_RELOC_RISCV_TLS_DTPREL64", "BFD_RELOC_RISCV_TLS_TPREL32", "BFD_RELOC_RISCV_TLS_TPREL64", + "BFD_RELOC_RISCV_TLSDESC_HI20", + "BFD_RELOC_RISCV_TLSDESC_LOAD_LO12", + "BFD_RELOC_RISCV_TLSDESC_ADD_LO12", + "BFD_RELOC_RISCV_TLSDESC_CALL", "BFD_RELOC_RISCV_ALIGN", "BFD_RELOC_RISCV_RVC_BRANCH", "BFD_RELOC_RISCV_RVC_JUMP", diff --git a/bfd/reloc.c b/bfd/reloc.c index 7583b7fd552..a187afe9b56 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -5002,6 +5002,14 @@ ENUMX BFD_RELOC_RISCV_TLS_TPREL32 ENUMX BFD_RELOC_RISCV_TLS_TPREL64 +ENUMX + BFD_RELOC_RISCV_TLSDESC_HI20 +ENUMX + BFD_RELOC_RISCV_TLSDESC_LOAD_LO12 +ENUMX + BFD_RELOC_RISCV_TLSDESC_ADD_LO12 +ENUMX + BFD_RELOC_RISCV_TLSDESC_CALL ENUMX BFD_RELOC_RISCV_ALIGN ENUMX diff --git a/include/elf/riscv.h b/include/elf/riscv.h index 2000cf21b9d..c1e73f7f5c0 100644 --- a/include/elf/riscv.h +++ b/include/elf/riscv.h @@ -44,6 +44,7 @@ START_RELOC_NUMBERS (elf_riscv_reloc_type) RELOC_NUMBER (R_RISCV_TLS_DTPREL64, 9) RELOC_NUMBER (R_RISCV_TLS_TPREL32, 10) RELOC_NUMBER (R_RISCV_TLS_TPREL64, 11) + RELOC_NUMBER (R_RISCV_TLSDESC, 12) /* Relocation types not used by the dynamic linker. */ RELOC_NUMBER (R_RISCV_BRANCH, 16) @@ -90,6 +91,10 @@ START_RELOC_NUMBERS (elf_riscv_reloc_type) /* Reserved 59 for R_RISCV_PLT32. */ RELOC_NUMBER (R_RISCV_SET_ULEB128, 60) RELOC_NUMBER (R_RISCV_SUB_ULEB128, 61) + RELOC_NUMBER (R_RISCV_TLSDESC_HI20, 62) + RELOC_NUMBER (R_RISCV_TLSDESC_LOAD_LO12, 63) + RELOC_NUMBER (R_RISCV_TLSDESC_ADD_LO12, 64) + RELOC_NUMBER (R_RISCV_TLSDESC_CALL, 65) END_RELOC_NUMBERS (R_RISCV_max) /* Internal relocations used exclusively by the relaxation pass. */ -- 2.43.2