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[111.98.113.1]) by smtp.gmail.com with ESMTPSA id iy20-20020a170903131400b001bc18e579aesm66560plb.101.2023.08.17.11.09.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Aug 2023 11:09:18 -0700 (PDT) To: binutils@sourceware.org Cc: rui314@gmail.com, ruiu@bluewhale.systems, Tatsuyuki Ishi Subject: [PATCH 1/4] RISC-V: Add TLSDESC reloc definitions. Date: Fri, 18 Aug 2023 03:08:34 +0900 Message-ID: <20230817180852.121628-3-ishitatsuyuki@gmail.com> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230817180852.121628-2-ishitatsuyuki@gmail.com> References: <20230817180852.121628-2-ishitatsuyuki@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-10.2 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 autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: binutils@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Binutils mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Tatsuyuki Ishi via Binutils From: Tatsuyuki Ishi Reply-To: Tatsuyuki Ishi Errors-To: binutils-bounces+ouuuleilei=gmail.com@sourceware.org Sender: "Binutils" X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1774500735283371203 X-GMAIL-MSGID: 1774500735283371203 --- 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 e2deb107494..110207789c3 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -5404,6 +5404,10 @@ number for the SBIC, SBIS, SBI and CBI instructions */ BFD_RELOC_RISCV_GOT_HI20, BFD_RELOC_RISCV_TLS_GOT_HI20, BFD_RELOC_RISCV_TLS_GD_HI20, + 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_JMP, BFD_RELOC_RISCV_TLS_DTPMOD32, BFD_RELOC_RISCV_TLS_DTPREL32, diff --git a/bfd/elfxx-riscv.c b/bfd/elfxx-riscv.c index e9852ef8fa1..43931a2be5d 100644 --- a/bfd/elfxx-riscv.c +++ b/bfd/elfxx-riscv.c @@ -218,8 +218,21 @@ static reloc_howto_type howto_table[] = MINUS_ONE, /* dst_mask */ false), /* pcrel_offset */ + 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 */ + /* Reserved for future relocs that the dynamic linker must understand. */ - EMPTY_HOWTO (12), EMPTY_HOWTO (13), EMPTY_HOWTO (14), EMPTY_HOWTO (15), @@ -879,6 +892,62 @@ 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_signed, /* 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_signed, /* 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_signed, /* 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 */ }; /* A mapping from BFD reloc types to RISC-V ELF reloc types. */ @@ -925,6 +994,10 @@ 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 a84febd8257..e04ab7d8d36 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -2401,6 +2401,10 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", "BFD_RELOC_RISCV_GOT_HI20", "BFD_RELOC_RISCV_TLS_GOT_HI20", "BFD_RELOC_RISCV_TLS_GD_HI20", + "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_JMP", "BFD_RELOC_RISCV_TLS_DTPMOD32", "BFD_RELOC_RISCV_TLS_DTPREL32", diff --git a/bfd/reloc.c b/bfd/reloc.c index 07d35e45c8b..38e1bdfc754 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -5016,6 +5016,14 @@ 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 0aa8b3359c4..f32215f5d95 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) /* Processor specific flags for the ELF header e_flags field. */