From f5b117594fd27b73be9c1b4bb10e171883783450 Mon Sep 17 00:00:00 2001 From: Vladimir Radosavljevic Date: Mon, 20 Jun 2016 11:45:18 -0700 Subject: [PATCH] Add support for Mips32r6 and Mips64r6. elfcpp/ * mips.h (R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3, R_MIPS_PC19_S2, R_MIPS_PCHI16, R_MIPS_PCLO16): New enums for Mips32r6 and Mips64r6 relocations. (r6_isa): New function. gold/ * mips.cc (relocation_needs_la25_stub): Add support for relocs: R_MIPS_PC21_S2 and R_MIPS_PC26_S2. (hi16_reloc): Add support for R_MIPS_PCHI16 relocation. (is_matching_lo16_reloc): Likewise. (lo16_reloc): Add support for R_MIPS_PCLO16 relocation. (Mips_output_data_plt::plt_entry_r6): New static data member for R6 PLT entry. (Target_mips::is_output_r6): New method. (Target_mips::Mips_mach): Add new enum constants. (Mips_relocate_functions::Status): Likewise. (Mips_relocate_functions::pchi16_relocs): New static data member. (Mips_relocate_functions::relpc21): New method. (Mips_relocate_functions::relpc26): Likewise. (Mips_relocate_functions::relpc18): Likewise. (Mips_relocate_functions::relpc19): Likewise. (Mips_relocate_functions::relpchi16): Likewise. (Mips_relocate_functions::do_relpchi16): Likewise. (Mips_relocate_functions::relpclo16): Likewise. (Mips_output_data_plt::do_write): Add support for Mips r6 plt entry. (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support. (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and E_MIPS_ARCH_64R6 support. (Target_mips::update_abiflags_isa): Likewise. (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and R_MIPS_PC19_S2. (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16 and R_MIPS_PCLO16. (Target_mips::Scan::global): Add support for relocs: R_MIPS_PC21_S2 and R_MIPS_PC26_S2. (Target_mips::Relocate::relocate): Call functions for resolving Mips32r6 and Mips64r6 relocations, and print error message for STATUS_PCREL_UNALIGNED. (Target_mips::Scan::get_reference_flags): Add support for relocs: R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and R_MIPS_PC19_S2. (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and E_MIPS_ARCH_64R6 support. --- elfcpp/ChangeLog | 7 ++ elfcpp/mips.h | 14 +++ gold/ChangeLog | 42 +++++++ gold/mips.cc | 354 +++++++++++++++++++++++++++++++++++++++++++++++++++++-- 4 files changed, 407 insertions(+), 10 deletions(-) diff --git a/elfcpp/ChangeLog b/elfcpp/ChangeLog index 93b2189..fa8594e 100644 --- a/elfcpp/ChangeLog +++ b/elfcpp/ChangeLog @@ -1,3 +1,10 @@ +2016-06-20 Vladimir Radosavljevic + + * mips.h (R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3, + R_MIPS_PC19_S2, R_MIPS_PCHI16, R_MIPS_PCLO16): New enums for + Mips32r6 and Mips64r6 relocations. + (r6_isa): New function. + 2016-06-10 Vladimir Radosavljevic * elfcpp.h (SHT_MIPS_ABIFLAGS): New enum constant. diff --git a/elfcpp/mips.h b/elfcpp/mips.h index a7a9799..f93a18f 100644 --- a/elfcpp/mips.h +++ b/elfcpp/mips.h @@ -98,6 +98,12 @@ enum R_MIPS_TLS_TPREL_HI16 = 49, R_MIPS_TLS_TPREL_LO16 = 50, R_MIPS_GLOB_DAT = 51, + R_MIPS_PC21_S2 = 60, + R_MIPS_PC26_S2 = 61, + R_MIPS_PC18_S3 = 62, + R_MIPS_PC19_S2 = 63, + R_MIPS_PCHI16 = 64, + R_MIPS_PCLO16 = 65, // These relocs are used for the mips16. R_MIPS16_26 = 100, R_MIPS16_GPREL = 101, @@ -479,6 +485,14 @@ bool abi_n32(elfcpp::Elf_Word e_flags) { return (e_flags & elfcpp::EF_MIPS_ABI2) != 0; } +// Whether the ISA is R6. +bool +r6_isa(elfcpp::Elf_Word e_flags) +{ + return ((e_flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_32R6) + || ((e_flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_64R6); +} + // Whether the file has microMIPS code. bool is_micromips(elfcpp::Elf_Word e_flags) diff --git a/gold/ChangeLog b/gold/ChangeLog index 2819653..6d315c5 100644 --- a/gold/ChangeLog +++ b/gold/ChangeLog @@ -1,3 +1,45 @@ +2016-06-20 Vladimir Radosavljevic + + * mips.cc (relocation_needs_la25_stub): Add support for relocs: + R_MIPS_PC21_S2 and R_MIPS_PC26_S2. + (hi16_reloc): Add support for R_MIPS_PCHI16 relocation. + (is_matching_lo16_reloc): Likewise. + (lo16_reloc): Add support for R_MIPS_PCLO16 relocation. + (Mips_output_data_plt::plt_entry_r6): New static data member for + R6 PLT entry. + (Target_mips::is_output_r6): New method. + (Target_mips::Mips_mach): Add new enum constants. + (Mips_relocate_functions::Status): Likewise. + (Mips_relocate_functions::pchi16_relocs): New static data member. + (Mips_relocate_functions::relpc21): New method. + (Mips_relocate_functions::relpc26): Likewise. + (Mips_relocate_functions::relpc18): Likewise. + (Mips_relocate_functions::relpc19): Likewise. + (Mips_relocate_functions::relpchi16): Likewise. + (Mips_relocate_functions::do_relpchi16): Likewise. + (Mips_relocate_functions::relpclo16): Likewise. + (Mips_output_data_plt::do_write): Add support for Mips r6 plt + entry. + (Target_mips::mips_32bit_flags): Add E_MIPS_ARCH_32R6 support. + (Target_mips::elf_mips_mach): Add E_MIPS_ARCH_32R6 and + E_MIPS_ARCH_64R6 support. + (Target_mips::update_abiflags_isa): Likewise. + (mips_get_size_for_reloc): Add support for relocs: R_MIPS_PCHI16, + R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, R_MIPS_PC18_S3 and + R_MIPS_PC19_S2. + (Target_mips::Scan::local): Add support for relocs: R_MIPS_PCHI16 + and R_MIPS_PCLO16. + (Target_mips::Scan::global): Add support for relocs: + R_MIPS_PC21_S2 and R_MIPS_PC26_S2. + (Target_mips::Relocate::relocate): Call functions for resolving + Mips32r6 and Mips64r6 relocations, and print error message for + STATUS_PCREL_UNALIGNED. + (Target_mips::Scan::get_reference_flags): Add support for relocs: + R_MIPS_PCHI16, R_MIPS_PCLO16, R_MIPS_PC21_S2, R_MIPS_PC26_S2, + R_MIPS_PC18_S3 and R_MIPS_PC19_S2. + (Target_mips::elf_mips_mach_name): Add E_MIPS_ARCH_32R6 and + E_MIPS_ARCH_64R6 support. + 2016-06-13 H.J. Lu PR gold/20246 diff --git a/gold/mips.cc b/gold/mips.cc index 42ec64b..cea0a81 100644 --- a/gold/mips.cc +++ b/gold/mips.cc @@ -178,6 +178,8 @@ relocation_needs_la25_stub(Mips_relobj* object, { case elfcpp::R_MIPS_26: case elfcpp::R_MIPS_PC16: + case elfcpp::R_MIPS_PC21_S2: + case elfcpp::R_MIPS_PC26_S2: case elfcpp::R_MICROMIPS_26_S1: case elfcpp::R_MICROMIPS_PC7_S1: case elfcpp::R_MICROMIPS_PC10_S1: @@ -224,7 +226,8 @@ hi16_reloc(int r_type) { return (r_type == elfcpp::R_MIPS_HI16 || r_type == elfcpp::R_MIPS16_HI16 - || r_type == elfcpp::R_MICROMIPS_HI16); + || r_type == elfcpp::R_MICROMIPS_HI16 + || r_type == elfcpp::R_MIPS_PCHI16); } static inline bool @@ -232,7 +235,8 @@ lo16_reloc(int r_type) { return (r_type == elfcpp::R_MIPS_LO16 || r_type == elfcpp::R_MIPS16_LO16 - || r_type == elfcpp::R_MICROMIPS_LO16); + || r_type == elfcpp::R_MICROMIPS_LO16 + || r_type == elfcpp::R_MIPS_PCLO16); } static inline bool @@ -404,6 +408,8 @@ is_matching_lo16_reloc(unsigned int high_reloc, unsigned int lo16_reloc) case elfcpp::R_MIPS_HI16: case elfcpp::R_MIPS_GOT16: return lo16_reloc == elfcpp::R_MIPS_LO16; + case elfcpp::R_MIPS_PCHI16: + return lo16_reloc == elfcpp::R_MIPS_PCLO16; case elfcpp::R_MIPS16_HI16: case elfcpp::R_MIPS16_GOT16: return lo16_reloc == elfcpp::R_MIPS16_LO16; @@ -2546,6 +2552,7 @@ class Mips_output_data_plt : public Output_section_data // Template for subsequent PLT entries. static const uint32_t plt_entry[]; + static const uint32_t plt_entry_r6[]; static const uint32_t plt_entry_mips16_o32[]; static const uint32_t plt_entry_micromips_o32[]; static const uint32_t plt_entry_micromips32_o32[]; @@ -3575,6 +3582,15 @@ class Target_mips : public Sized_target return elfcpp::abi_n32(this->processor_specific_flags()); } + // Whether the output uses R6 ISA. This is valid only after + // merge_obj_e_flags() is called. + bool + is_output_r6() const + { + gold_assert(this->are_processor_specific_flags_set()); + return elfcpp::r6_isa(this->processor_specific_flags()); + } + // Whether the output uses N64 ABI. bool is_output_n64() const @@ -3923,10 +3939,12 @@ class Target_mips : public Sized_target mach_mipsisa32r2 = 33, mach_mipsisa32r3 = 34, mach_mipsisa32r5 = 36, + mach_mipsisa32r6 = 37, mach_mipsisa64 = 64, mach_mipsisa64r2 = 65, mach_mipsisa64r3 = 66, mach_mipsisa64r5 = 68, + mach_mipsisa64r6 = 69, mach_mips_micromips = 96 }; @@ -4237,9 +4255,10 @@ class Mips_relocate_functions : public Relocate_functions public: typedef enum { - STATUS_OKAY, // No error during relocation. - STATUS_OVERFLOW, // Relocation overflow. - STATUS_BAD_RELOC // Relocation cannot be applied. + STATUS_OKAY, // No error during relocation. + STATUS_OVERFLOW, // Relocation overflow. + STATUS_BAD_RELOC, // Relocation cannot be applied. + STATUS_PCREL_UNALIGNED // Unaligned PC-relative relocation. } Status; private: @@ -4248,6 +4267,7 @@ class Mips_relocate_functions : public Relocate_functions static typename std::list > hi16_relocs; static typename std::list > got16_relocs; + static typename std::list > pchi16_relocs; template static inline typename This::Status @@ -4673,6 +4693,214 @@ class Mips_relocate_functions : public Relocate_functions return check_overflow<18>(x); } + // R_MIPS_PC21_S2 + static inline typename This::Status + relpc21(unsigned char* view, const Mips_relobj* object, + const Symbol_value* psymval, Mips_address address, + Mips_address addend_a, bool extract_addend, bool calculate_only, + Valtype* calculated_value) + { + Valtype32* wv = reinterpret_cast(view); + Valtype32 val = elfcpp::Swap<32, big_endian>::readval(wv); + + Valtype addend = (extract_addend + ? Bits<23>::sign_extend32((val & 0x1fffff) << 2) + : addend_a); + + Valtype x = psymval->value(object, addend) - address; + val = Bits<21>::bit_select32(val, x >> 2, 0x1fffff); + + if (calculate_only) + { + *calculated_value = x >> 2; + return This::STATUS_OKAY; + } + else + elfcpp::Swap<32, big_endian>::writeval(wv, val); + + if (psymval->value(object, addend) & 3) + return This::STATUS_PCREL_UNALIGNED; + + return check_overflow<23>(x); + } + + // R_MIPS_PC26_S2 + static inline typename This::Status + relpc26(unsigned char* view, const Mips_relobj* object, + const Symbol_value* psymval, Mips_address address, + Mips_address addend_a, bool extract_addend, bool calculate_only, + Valtype* calculated_value) + { + Valtype32* wv = reinterpret_cast(view); + Valtype32 val = elfcpp::Swap<32, big_endian>::readval(wv); + + Valtype addend = (extract_addend + ? Bits<28>::sign_extend32((val & 0x3ffffff) << 2) + : addend_a); + + Valtype x = psymval->value(object, addend) - address; + val = Bits<26>::bit_select32(val, x >> 2, 0x3ffffff); + + if (calculate_only) + { + *calculated_value = x >> 2; + return This::STATUS_OKAY; + } + else + elfcpp::Swap<32, big_endian>::writeval(wv, val); + + if (psymval->value(object, addend) & 3) + return This::STATUS_PCREL_UNALIGNED; + + return check_overflow<28>(x); + } + + // R_MIPS_PC18_S3 + static inline typename This::Status + relpc18(unsigned char* view, const Mips_relobj* object, + const Symbol_value* psymval, Mips_address address, + Mips_address addend_a, bool extract_addend, bool calculate_only, + Valtype* calculated_value) + { + Valtype32* wv = reinterpret_cast(view); + Valtype32 val = elfcpp::Swap<32, big_endian>::readval(wv); + + Valtype addend = (extract_addend + ? Bits<21>::sign_extend32((val & 0x3ffff) << 3) + : addend_a); + + Valtype x = psymval->value(object, addend) - ((address | 7) ^ 7); + val = Bits<18>::bit_select32(val, x >> 3, 0x3ffff); + + if (calculate_only) + { + *calculated_value = x >> 3; + return This::STATUS_OKAY; + } + else + elfcpp::Swap<32, big_endian>::writeval(wv, val); + + if (psymval->value(object, addend) & 7) + return This::STATUS_PCREL_UNALIGNED; + + return check_overflow<21>(x); + } + + // R_MIPS_PC19_S2 + static inline typename This::Status + relpc19(unsigned char* view, const Mips_relobj* object, + const Symbol_value* psymval, Mips_address address, + Mips_address addend_a, bool extract_addend, bool calculate_only, + Valtype* calculated_value) + { + Valtype32* wv = reinterpret_cast(view); + Valtype32 val = elfcpp::Swap<32, big_endian>::readval(wv); + + Valtype addend = (extract_addend + ? Bits<21>::sign_extend32((val & 0x7ffff) << 2) + : addend_a); + + Valtype x = psymval->value(object, addend) - address; + val = Bits<19>::bit_select32(val, x >> 2, 0x7ffff); + + if (calculate_only) + { + *calculated_value = x >> 2; + return This::STATUS_OKAY; + } + else + elfcpp::Swap<32, big_endian>::writeval(wv, val); + + if (psymval->value(object, addend) & 3) + return This::STATUS_PCREL_UNALIGNED; + + return check_overflow<21>(x); + } + + // R_MIPS_PCHI16 + static inline typename This::Status + relpchi16(unsigned char* view, const Mips_relobj* object, + const Symbol_value* psymval, Mips_address addend, + Mips_address address, unsigned int r_sym, bool extract_addend) + { + // Record the relocation. It will be resolved when we find pclo16 part. + pchi16_relocs.push_back(reloc_high(view, object, psymval, + addend, 0, r_sym, extract_addend, address)); + return This::STATUS_OKAY; + } + + // R_MIPS_PCHI16 + static inline typename This::Status + do_relpchi16(unsigned char* view, const Mips_relobj* object, + const Symbol_value* psymval, Mips_address addend_hi, + Mips_address address, bool extract_addend, Valtype32 addend_lo, + bool calculate_only, Valtype* calculated_value) + { + Valtype32* wv = reinterpret_cast(view); + Valtype32 val = elfcpp::Swap<32, big_endian>::readval(wv); + + Valtype addend = (extract_addend ? ((val & 0xffff) << 16) + addend_lo + : addend_hi); + + Valtype value = psymval->value(object, addend) - address; + Valtype x = ((value + 0x8000) >> 16) & 0xffff; + val = Bits<32>::bit_select32(val, x, 0xffff); + + if (calculate_only) + *calculated_value = x; + else + elfcpp::Swap<32, big_endian>::writeval(wv, val); + + return This::STATUS_OKAY; + } + + // R_MIPS_PCLO16 + static inline typename This::Status + relpclo16(unsigned char* view, const Mips_relobj* object, + const Symbol_value* psymval, Mips_address addend_a, + bool extract_addend, Mips_address address, unsigned int r_sym, + unsigned int rel_type, bool calculate_only, + Valtype* calculated_value) + { + Valtype32* wv = reinterpret_cast(view); + Valtype32 val = elfcpp::Swap<32, big_endian>::readval(wv); + + Valtype addend = (extract_addend ? Bits<16>::sign_extend32(val & 0xffff) + : addend_a); + + if (rel_type == elfcpp::SHT_REL) + { + // Resolve pending R_MIPS_PCHI16 relocations. + typename std::list >::iterator it = + pchi16_relocs.begin(); + while (it != pchi16_relocs.end()) + { + reloc_high pchi16 = *it; + if (pchi16.r_sym == r_sym) + { + do_relpchi16(pchi16.view, pchi16.object, pchi16.psymval, + pchi16.addend, pchi16.address, + pchi16.extract_addend, addend, calculate_only, + calculated_value); + it = pchi16_relocs.erase(it); + } + else + ++it; + } + } + + // Resolve R_MIPS_PCLO16 relocation. + Valtype x = psymval->value(object, addend) - address; + val = Bits<32>::bit_select32(val, x, 0xffff); + + if (calculate_only) + *calculated_value = x; + else + elfcpp::Swap<32, big_endian>::writeval(wv, val); + + return This::STATUS_OKAY; + } + // R_MICROMIPS_PC7_S1 static inline typename This::Status relmicromips_pc7_s1(unsigned char* view, @@ -5356,6 +5584,10 @@ template typename std::list > Mips_relocate_functions::got16_relocs; +template +typename std::list > + Mips_relocate_functions::pchi16_relocs; + // Mips_got_info methods. // Reserve GOT entry for a GOT relocation of type R_TYPE against symbol @@ -7015,6 +7247,16 @@ const uint32_t Mips_output_data_plt::plt_entry[] = 0x25f80000 // addiu $24, $15, %lo(.got.plt entry) }; +// The format of subsequent R6 PLT entries. +template +const uint32_t Mips_output_data_plt::plt_entry_r6[] = +{ + 0x3c0f0000, // lui $15, %hi(.got.plt entry) + 0x01f90000, // l[wd] $25, %lo(.got.plt entry)($15) + 0x03200009, // jr $25 + 0x25f80000 // addiu $24, $15, %lo(.got.plt entry) +}; + // The format of subsequent MIPS16 o32 PLT entries. We use v1 ($3) as a // temporary because t8 ($24) and t9 ($25) are not directly addressable. // Note that this differs from the GNU ld which uses both v0 ($2) and v1 ($3). @@ -7298,14 +7540,17 @@ Mips_output_data_plt::do_write(Output_file* of) uint64_t load = this->target_->is_output_n64() ? 0xdc000000 : 0x8c000000; + const uint32_t* entry = this->target_->is_output_r6() ? plt_entry_r6 + : plt_entry; + // Fill in the PLT entry itself. elfcpp::Swap<32, big_endian>::writeval(pov, - plt_entry[0] | gotplt_entry_addr_hi); + entry[0] | gotplt_entry_addr_hi); elfcpp::Swap<32, big_endian>::writeval(pov + 4, - plt_entry[1] | gotplt_entry_addr_lo | load); - elfcpp::Swap<32, big_endian>::writeval(pov + 8, plt_entry[2]); + entry[1] | gotplt_entry_addr_lo | load); + elfcpp::Swap<32, big_endian>::writeval(pov + 8, entry[2]); elfcpp::Swap<32, big_endian>::writeval(pov + 12, - plt_entry[3] | gotplt_entry_addr_lo); + entry[3] | gotplt_entry_addr_lo); pov += 16; } @@ -8439,7 +8684,8 @@ Target_mips::mips_32bit_flags(elfcpp::Elf_Word flags) || (flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_1 || (flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_2 || (flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_32 - || (flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_32R2); + || (flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_32R2 + || (flags & elfcpp::EF_MIPS_ARCH) == elfcpp::E_MIPS_ARCH_32R6); } // Return the MACH for a MIPS e_flags value. @@ -8531,8 +8777,14 @@ Target_mips::elf_mips_mach(elfcpp::Elf_Word flags) case elfcpp::E_MIPS_ARCH_32R2: return mach_mipsisa32r2; + case elfcpp::E_MIPS_ARCH_32R6: + return mach_mipsisa32r6; + case elfcpp::E_MIPS_ARCH_64R2: return mach_mipsisa64r2; + + case elfcpp::E_MIPS_ARCH_64R6: + return mach_mipsisa64r6; } } @@ -8707,12 +8959,18 @@ Target_mips::update_abiflags_isa(const std::string& name, case elfcpp::E_MIPS_ARCH_32R2: new_isa = this->level_rev(32, 2); break; + case elfcpp::E_MIPS_ARCH_32R6: + new_isa = this->level_rev(32, 6); + break; case elfcpp::E_MIPS_ARCH_64: new_isa = this->level_rev(64, 1); break; case elfcpp::E_MIPS_ARCH_64R2: new_isa = this->level_rev(64, 2); break; + case elfcpp::E_MIPS_ARCH_64R6: + new_isa = this->level_rev(64, 6); + break; default: gold_error(_("%s: Unknown architecture %s"), name.c_str(), this->elf_mips_mach_name(e_flags)); @@ -9632,6 +9890,8 @@ mips_get_size_for_reloc(unsigned int r_type, Relobj* object) case elfcpp::R_MIPS16_HI16: case elfcpp::R_MIPS16_LO16: case elfcpp::R_MIPS_PC16: + case elfcpp::R_MIPS_PCHI16: + case elfcpp::R_MIPS_PCLO16: case elfcpp::R_MIPS_GOT16: case elfcpp::R_MIPS16_GOT16: case elfcpp::R_MIPS_CALL16: @@ -9657,6 +9917,10 @@ mips_get_size_for_reloc(unsigned int r_type, Relobj* object) // These relocations are not byte sized case elfcpp::R_MIPS_26: case elfcpp::R_MIPS16_26: + case elfcpp::R_MIPS_PC21_S2: + case elfcpp::R_MIPS_PC26_S2: + case elfcpp::R_MIPS_PC18_S3: + case elfcpp::R_MIPS_PC19_S2: return 4; case elfcpp::R_MIPS_COPY: @@ -10156,6 +10420,7 @@ Target_mips::Scan::local( } case elfcpp::R_MIPS_HI16: + case elfcpp::R_MIPS_PCHI16: case elfcpp::R_MIPS16_HI16: case elfcpp::R_MICROMIPS_HI16: // Record the reloc so that we can check whether the corresponding LO16 @@ -10166,6 +10431,7 @@ Target_mips::Scan::local( break; case elfcpp::R_MIPS_LO16: + case elfcpp::R_MIPS_PCLO16: case elfcpp::R_MIPS16_LO16: case elfcpp::R_MICROMIPS_LO16: { @@ -10598,6 +10864,8 @@ Target_mips::Scan::global( case elfcpp::R_MIPS_26: case elfcpp::R_MIPS_PC16: + case elfcpp::R_MIPS_PC21_S2: + case elfcpp::R_MIPS_PC26_S2: case elfcpp::R_MIPS16_26: case elfcpp::R_MICROMIPS_26_S1: case elfcpp::R_MICROMIPS_PC7_S1: @@ -11495,6 +11763,56 @@ Target_mips::Relocate::relocate( calculate_only, &calculated_value); break; + + case elfcpp::R_MIPS_PC21_S2: + reloc_status = Reloc_funcs::relpc21(view, object, psymval, address, + r_addend, extract_addend, + calculate_only, + &calculated_value); + break; + + case elfcpp::R_MIPS_PC26_S2: + reloc_status = Reloc_funcs::relpc26(view, object, psymval, address, + r_addend, extract_addend, + calculate_only, + &calculated_value); + break; + + case elfcpp::R_MIPS_PC18_S3: + reloc_status = Reloc_funcs::relpc18(view, object, psymval, address, + r_addend, extract_addend, + calculate_only, + &calculated_value); + break; + + case elfcpp::R_MIPS_PC19_S2: + reloc_status = Reloc_funcs::relpc19(view, object, psymval, address, + r_addend, extract_addend, + calculate_only, + &calculated_value); + break; + + case elfcpp::R_MIPS_PCHI16: + if (rel_type == elfcpp::SHT_RELA) + reloc_status = Reloc_funcs::do_relpchi16(view, object, psymval, + r_addend, address, + extract_addend, 0, + calculate_only, + &calculated_value); + else if (rel_type == elfcpp::SHT_REL) + reloc_status = Reloc_funcs::relpchi16(view, object, psymval, + r_addend, address, r_sym, + extract_addend); + else + gold_unreachable(); + break; + + case elfcpp::R_MIPS_PCLO16: + reloc_status = Reloc_funcs::relpclo16(view, object, psymval, r_addend, + extract_addend, address, r_sym, + rel_type, calculate_only, + &calculated_value); + break; case elfcpp::R_MICROMIPS_PC7_S1: reloc_status = Reloc_funcs::relmicromips_pc7_s1(view, object, psymval, address, r_addend, @@ -11793,6 +12111,10 @@ Target_mips::Relocate::relocate( gold_error_at_location(relinfo, relnum, r_offset, _("unexpected opcode while processing relocation")); break; + case Reloc_funcs::STATUS_PCREL_UNALIGNED: + gold_error_at_location(relinfo, relnum, r_offset, + _("unaligned PC-relative relocation")); + break; default: gold_unreachable(); } @@ -11829,6 +12151,10 @@ Target_mips::Scan::get_reference_flags( case elfcpp::R_MICROMIPS_26_S1: return Symbol::FUNCTION_CALL | Symbol::ABSOLUTE_REF; + case elfcpp::R_MIPS_PC18_S3: + case elfcpp::R_MIPS_PC19_S2: + case elfcpp::R_MIPS_PCHI16: + case elfcpp::R_MIPS_PCLO16: case elfcpp::R_MIPS_GPREL32: case elfcpp::R_MIPS_GPREL16: case elfcpp::R_MIPS_REL32: @@ -11837,6 +12163,8 @@ Target_mips::Scan::get_reference_flags( case elfcpp::R_MIPS_PC16: case elfcpp::R_MIPS_PC32: + case elfcpp::R_MIPS_PC21_S2: + case elfcpp::R_MIPS_PC26_S2: case elfcpp::R_MIPS_JALR: case elfcpp::R_MICROMIPS_JALR: return Symbol::FUNCTION_CALL | Symbol::RELATIVE_REF; @@ -12015,8 +12343,14 @@ Target_mips::elf_mips_mach_name(elfcpp::Elf_Word e_flags) case elfcpp::E_MIPS_ARCH_32R2: return "mips:isa32r2"; + case elfcpp::E_MIPS_ARCH_32R6: + return "mips:isa32r6"; + case elfcpp::E_MIPS_ARCH_64R2: return "mips:isa64r2"; + + case elfcpp::E_MIPS_ARCH_64R6: + return "mips:isa64r6"; } } return "unknown CPU"; -- 2.7.4