X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Freloc.c;h=024056f11816f7f6c504dff281fbdd7395bdbde6;hb=7211ae501eb0de1044983f2dfb00091a58fbd66c;hp=fe7d8be477e170741bd87dbe8168b96cefbae522;hpb=b90efa5b79ac1524ec260f8eb89d1be37e0219a7;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/reloc.c b/bfd/reloc.c index fe7d8be477..024056f118 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -1,5 +1,5 @@ /* BFD support for handling relocation entries. - Copyright (C) 1990-2015 Free Software Foundation, Inc. + Copyright (C) 1990-2017 Free Software Foundation, Inc. Written by Cygnus Support. This file is part of BFD, the Binary File Descriptor library. @@ -437,6 +437,7 @@ bfd_get_reloc_size (reloc_howto_type *howto) case 3: return 0; case 4: return 8; case 8: return 16; + case -1: return 2; case -2: return 4; default: abort (); } @@ -537,6 +538,22 @@ bfd_check_overflow (enum complain_overflow how, return flag; } +/* HOWTO describes a relocation, at offset OCTET. Return whether the + relocation field is within SECTION of ABFD. */ + +static bfd_boolean +reloc_offset_in_range (reloc_howto_type *howto, bfd *abfd, + asection *section, bfd_size_type octet) +{ + bfd_size_type octet_end = bfd_get_section_limit_octets (abfd, section); + bfd_size_type reloc_size = bfd_get_reloc_size (howto); + + /* The reloc field must be contained entirely within the section. + Allow zero length fields (marker relocs or NONE relocs where no + relocation will be performed) at the end of the section. */ + return octet <= octet_end && octet + reloc_size <= octet_end; +} + /* FUNCTION bfd_perform_relocation @@ -578,23 +595,13 @@ bfd_perform_relocation (bfd *abfd, { bfd_vma relocation; bfd_reloc_status_type flag = bfd_reloc_ok; - bfd_size_type octets = reloc_entry->address * bfd_octets_per_byte (abfd); + bfd_size_type octets; bfd_vma output_base = 0; reloc_howto_type *howto = reloc_entry->howto; asection *reloc_target_output_section; asymbol *symbol; symbol = *(reloc_entry->sym_ptr_ptr); - if (bfd_is_abs_section (symbol->section) - && output_bfd != NULL) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } - - /* PR 17512: file: 0f67f69d. */ - if (howto == NULL) - return bfd_reloc_undefined; /* If we are not producing relocatable output, return an error if the symbol is not defined. An undefined weak symbol is @@ -607,7 +614,7 @@ bfd_perform_relocation (bfd *abfd, /* If there is a function supplied to handle this relocation type, call it. It'll return `bfd_reloc_continue' if further processing can be done. */ - if (howto->special_function) + if (howto && howto->special_function) { bfd_reloc_status_type cont; cont = howto->special_function (abfd, reloc_entry, symbol, data, @@ -617,8 +624,20 @@ bfd_perform_relocation (bfd *abfd, return cont; } + if (bfd_is_abs_section (symbol->section) + && output_bfd != NULL) + { + reloc_entry->address += input_section->output_offset; + return bfd_reloc_ok; + } + + /* PR 17512: file: 0f67f69d. */ + if (howto == NULL) + return bfd_reloc_undefined; + /* Is the address of the relocation really within the section? */ - if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) + octets = reloc_entry->address * bfd_octets_per_byte (abfd); + if (!reloc_offset_in_range (howto, abfd, input_section, octets)) return bfd_reloc_outofrange; /* Work out which section the relocation is targeted at and the @@ -968,7 +987,7 @@ bfd_install_relocation (bfd *abfd, { bfd_vma relocation; bfd_reloc_status_type flag = bfd_reloc_ok; - bfd_size_type octets = reloc_entry->address * bfd_octets_per_byte (abfd); + bfd_size_type octets; bfd_vma output_base = 0; reloc_howto_type *howto = reloc_entry->howto; asection *reloc_target_output_section; @@ -976,16 +995,11 @@ bfd_install_relocation (bfd *abfd, bfd_byte *data; symbol = *(reloc_entry->sym_ptr_ptr); - if (bfd_is_abs_section (symbol->section)) - { - reloc_entry->address += input_section->output_offset; - return bfd_reloc_ok; - } /* If there is a function supplied to handle this relocation type, call it. It'll return `bfd_reloc_continue' if further processing can be done. */ - if (howto->special_function) + if (howto && howto->special_function) { bfd_reloc_status_type cont; @@ -1000,8 +1014,18 @@ bfd_install_relocation (bfd *abfd, return cont; } + if (bfd_is_abs_section (symbol->section)) + { + reloc_entry->address += input_section->output_offset; + return bfd_reloc_ok; + } + + /* No need to check for howto != NULL if !bfd_is_abs_section as + it will have been checked in `bfd_perform_relocation already'. */ + /* Is the address of the relocation really within the section? */ - if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) + octets = reloc_entry->address * bfd_octets_per_byte (abfd); + if (!reloc_offset_in_range (howto, abfd, input_section, octets)) return bfd_reloc_outofrange; /* Work out which section the relocation is targeted at and the @@ -1336,9 +1360,10 @@ _bfd_final_link_relocate (reloc_howto_type *howto, bfd_vma addend) { bfd_vma relocation; + bfd_size_type octets = address * bfd_octets_per_byte (input_bfd); /* Sanity check the address. */ - if (address > bfd_get_section_limit (input_bfd, input_section)) + if (!reloc_offset_in_range (howto, input_bfd, input_section, octets)) return bfd_reloc_outofrange; /* This function assumes that we are dealing with a basic relocation @@ -1366,7 +1391,8 @@ _bfd_final_link_relocate (reloc_howto_type *howto, } return _bfd_relocate_contents (howto, input_bfd, relocation, - contents + address); + contents + + address * bfd_octets_per_byte (input_bfd)); } /* Relocate a given location using a given value and howto. */ @@ -1393,8 +1419,9 @@ _bfd_relocate_contents (reloc_howto_type *howto, switch (size) { default: - case 0: abort (); + case 0: + return bfd_reloc_ok; case 1: x = bfd_get_8 (input_bfd, location); break; @@ -1561,8 +1588,9 @@ _bfd_clear_contents (reloc_howto_type *howto, switch (size) { default: - case 0: abort (); + case 0: + return; case 1: x = bfd_get_8 (input_bfd, location); break; @@ -2292,6 +2320,11 @@ ENUMX ENUMDOC microMIPS PC-relative relocations. +ENUM + BFD_RELOC_MIPS16_16_PCREL_S1 +ENUMDOC + MIPS16 PC-relative relocation. + ENUM BFD_RELOC_MIPS_21_PCREL_S2 ENUMX @@ -2444,6 +2477,18 @@ ENUMDOC Moxie ELF relocations. COMMENT +ENUM + BFD_RELOC_FT32_10 +ENUMX + BFD_RELOC_FT32_20 +ENUMX + BFD_RELOC_FT32_17 +ENUMX + BFD_RELOC_FT32_18 +ENUMDOC + FT32 ELF relocations. +COMMENT + ENUM BFD_RELOC_FRV_LABEL16 ENUMX @@ -2653,6 +2698,8 @@ ENUMX BFD_RELOC_386_TLS_DESC ENUMX BFD_RELOC_386_IRELATIVE +ENUMX + BFD_RELOC_386_GOT32X ENUMDOC i386/elf relocations @@ -2714,6 +2761,10 @@ ENUMX BFD_RELOC_X86_64_PC32_BND ENUMX BFD_RELOC_X86_64_PLT32_BND +ENUMX + BFD_RELOC_X86_64_GOTPCRELX +ENUMX + BFD_RELOC_X86_64_REX_GOTPCRELX ENUMDOC x86-64/elf relocations @@ -2860,6 +2911,10 @@ ENUMX BFD_RELOC_PPC_VLE_SDAREL_HA16A ENUMX BFD_RELOC_PPC_VLE_SDAREL_HA16D +ENUMX + BFD_RELOC_PPC_16DX_HA +ENUMX + BFD_RELOC_PPC_REL16DX_HA ENUMX BFD_RELOC_PPC64_HIGHER ENUMX @@ -2912,6 +2967,8 @@ ENUMX BFD_RELOC_PPC64_ADDR16_HIGHA ENUMX BFD_RELOC_PPC64_ADDR64_LOCAL +ENUMX + BFD_RELOC_PPC64_ENTRY ENUMDOC Power(rs6000) and PowerPC relocations. @@ -3238,6 +3295,17 @@ ENUM ENUMDOC ARM support for STT_GNU_IFUNC. +ENUM + BFD_RELOC_ARM_THUMB_ALU_ABS_G0_NC +ENUMX + BFD_RELOC_ARM_THUMB_ALU_ABS_G1_NC +ENUMX + BFD_RELOC_ARM_THUMB_ALU_ABS_G2_NC +ENUMX + BFD_RELOC_ARM_THUMB_ALU_ABS_G3_NC +ENUMDOC + Thumb1 relocations to support execute-only code. + ENUM BFD_RELOC_ARM_IMMEDIATE ENUMX @@ -3492,18 +3560,143 @@ ENUMDOC Renesas / SuperH SH relocs. Not all of these appear in object files. ENUM - BFD_RELOC_ARC_B22_PCREL -ENUMDOC - ARC Cores relocs. - ARC 22 bit pc-relative branch. The lowest two bits must be zero and are - not stored in the instruction. The high 20 bits are installed in bits 26 - through 7 of the instruction. -ENUM - BFD_RELOC_ARC_B26 + BFD_RELOC_ARC_NONE +ENUMX + BFD_RELOC_ARC_8 +ENUMX + BFD_RELOC_ARC_16 +ENUMX + BFD_RELOC_ARC_24 +ENUMX + BFD_RELOC_ARC_32 +ENUMX + BFD_RELOC_ARC_N8 +ENUMX + BFD_RELOC_ARC_N16 +ENUMX + BFD_RELOC_ARC_N24 +ENUMX + BFD_RELOC_ARC_N32 +ENUMX + BFD_RELOC_ARC_SDA +ENUMX + BFD_RELOC_ARC_SECTOFF +ENUMX + BFD_RELOC_ARC_S21H_PCREL +ENUMX + BFD_RELOC_ARC_S21W_PCREL +ENUMX + BFD_RELOC_ARC_S25H_PCREL +ENUMX + BFD_RELOC_ARC_S25W_PCREL +ENUMX + BFD_RELOC_ARC_SDA32 +ENUMX + BFD_RELOC_ARC_SDA_LDST +ENUMX + BFD_RELOC_ARC_SDA_LDST1 +ENUMX + BFD_RELOC_ARC_SDA_LDST2 +ENUMX + BFD_RELOC_ARC_SDA16_LD +ENUMX + BFD_RELOC_ARC_SDA16_LD1 +ENUMX + BFD_RELOC_ARC_SDA16_LD2 +ENUMX + BFD_RELOC_ARC_S13_PCREL +ENUMX + BFD_RELOC_ARC_W +ENUMX + BFD_RELOC_ARC_32_ME +ENUMX + BFD_RELOC_ARC_32_ME_S +ENUMX + BFD_RELOC_ARC_N32_ME +ENUMX + BFD_RELOC_ARC_SECTOFF_ME +ENUMX + BFD_RELOC_ARC_SDA32_ME +ENUMX + BFD_RELOC_ARC_W_ME +ENUMX + BFD_RELOC_AC_SECTOFF_U8 +ENUMX + BFD_RELOC_AC_SECTOFF_U8_1 +ENUMX + BFD_RELOC_AC_SECTOFF_U8_2 +ENUMX + BFD_RELOC_AC_SECTOFF_S9 +ENUMX + BFD_RELOC_AC_SECTOFF_S9_1 +ENUMX + BFD_RELOC_AC_SECTOFF_S9_2 +ENUMX + BFD_RELOC_ARC_SECTOFF_ME_1 +ENUMX + BFD_RELOC_ARC_SECTOFF_ME_2 +ENUMX + BFD_RELOC_ARC_SECTOFF_1 +ENUMX + BFD_RELOC_ARC_SECTOFF_2 +ENUMX + BFD_RELOC_ARC_SDA_12 +ENUMX + BFD_RELOC_ARC_SDA16_ST2 +ENUMX + BFD_RELOC_ARC_32_PCREL +ENUMX + BFD_RELOC_ARC_PC32 +ENUMX + BFD_RELOC_ARC_GOT32 +ENUMX + BFD_RELOC_ARC_GOTPC32 +ENUMX + BFD_RELOC_ARC_PLT32 +ENUMX + BFD_RELOC_ARC_COPY +ENUMX + BFD_RELOC_ARC_GLOB_DAT +ENUMX + BFD_RELOC_ARC_JMP_SLOT +ENUMX + BFD_RELOC_ARC_RELATIVE +ENUMX + BFD_RELOC_ARC_GOTOFF +ENUMX + BFD_RELOC_ARC_GOTPC +ENUMX + BFD_RELOC_ARC_S21W_PCREL_PLT +ENUMX + BFD_RELOC_ARC_S25H_PCREL_PLT +ENUMX + BFD_RELOC_ARC_TLS_DTPMOD +ENUMX + BFD_RELOC_ARC_TLS_TPOFF +ENUMX + BFD_RELOC_ARC_TLS_GD_GOT +ENUMX + BFD_RELOC_ARC_TLS_GD_LD +ENUMX + BFD_RELOC_ARC_TLS_GD_CALL +ENUMX + BFD_RELOC_ARC_TLS_IE_GOT +ENUMX + BFD_RELOC_ARC_TLS_DTPOFF +ENUMX + BFD_RELOC_ARC_TLS_DTPOFF_S9 +ENUMX + BFD_RELOC_ARC_TLS_LE_S9 +ENUMX + BFD_RELOC_ARC_TLS_LE_32 +ENUMX + BFD_RELOC_ARC_S25W_PCREL_PLT +ENUMX + BFD_RELOC_ARC_S21H_PCREL_PLT +ENUMX + BFD_RELOC_ARC_NPS_CMEM16 ENUMDOC - ARC 26 bit absolute branch. The lowest two bits must be zero and are not - stored in the instruction. The high 24 bits are installed in bits 23 - through 0. + ARC relocs. ENUM BFD_RELOC_BFIN_16_IMM @@ -4867,6 +5060,104 @@ ENUM ENUMDOC This is a 5 bit reloc for the AVR that stores an I/O register number for the SBIC, SBIS, SBI and CBI instructions + +ENUM + BFD_RELOC_RISCV_HI20 +ENUMX + BFD_RELOC_RISCV_PCREL_HI20 +ENUMX + BFD_RELOC_RISCV_PCREL_LO12_I +ENUMX + BFD_RELOC_RISCV_PCREL_LO12_S +ENUMX + BFD_RELOC_RISCV_LO12_I +ENUMX + BFD_RELOC_RISCV_LO12_S +ENUMX + BFD_RELOC_RISCV_GPREL12_I +ENUMX + BFD_RELOC_RISCV_GPREL12_S +ENUMX + BFD_RELOC_RISCV_TPREL_HI20 +ENUMX + BFD_RELOC_RISCV_TPREL_LO12_I +ENUMX + BFD_RELOC_RISCV_TPREL_LO12_S +ENUMX + BFD_RELOC_RISCV_TPREL_ADD +ENUMX + BFD_RELOC_RISCV_CALL +ENUMX + BFD_RELOC_RISCV_CALL_PLT +ENUMX + BFD_RELOC_RISCV_ADD8 +ENUMX + BFD_RELOC_RISCV_ADD16 +ENUMX + BFD_RELOC_RISCV_ADD32 +ENUMX + BFD_RELOC_RISCV_ADD64 +ENUMX + BFD_RELOC_RISCV_SUB8 +ENUMX + BFD_RELOC_RISCV_SUB16 +ENUMX + BFD_RELOC_RISCV_SUB32 +ENUMX + BFD_RELOC_RISCV_SUB64 +ENUMX + BFD_RELOC_RISCV_GOT_HI20 +ENUMX + BFD_RELOC_RISCV_TLS_GOT_HI20 +ENUMX + BFD_RELOC_RISCV_TLS_GD_HI20 +ENUMX + BFD_RELOC_RISCV_JMP +ENUMX + BFD_RELOC_RISCV_TLS_DTPMOD32 +ENUMX + BFD_RELOC_RISCV_TLS_DTPREL32 +ENUMX + BFD_RELOC_RISCV_TLS_DTPMOD64 +ENUMX + BFD_RELOC_RISCV_TLS_DTPREL64 +ENUMX + BFD_RELOC_RISCV_TLS_TPREL32 +ENUMX + BFD_RELOC_RISCV_TLS_TPREL64 +ENUMX + BFD_RELOC_RISCV_ALIGN +ENUMX + BFD_RELOC_RISCV_RVC_BRANCH +ENUMX + BFD_RELOC_RISCV_RVC_JUMP +ENUMX + BFD_RELOC_RISCV_RVC_LUI +ENUMX + BFD_RELOC_RISCV_GPREL_I +ENUMX + BFD_RELOC_RISCV_GPREL_S +ENUMX + BFD_RELOC_RISCV_TPREL_I +ENUMX + BFD_RELOC_RISCV_TPREL_S +ENUMX + BFD_RELOC_RISCV_RELAX +ENUMX + BFD_RELOC_RISCV_CFA +ENUMX + BFD_RELOC_RISCV_SUB6 +ENUMX + BFD_RELOC_RISCV_SET6 +ENUMX + BFD_RELOC_RISCV_SET8 +ENUMX + BFD_RELOC_RISCV_SET16 +ENUMX + BFD_RELOC_RISCV_SET32 +ENUMDOC + RISC-V relocations. + ENUM BFD_RELOC_RL78_NEG8 ENUMX @@ -4933,6 +5224,8 @@ ENUMX BFD_RELOC_RL78_LO16 ENUMX BFD_RELOC_RL78_CODE +ENUMX + BFD_RELOC_RL78_SADDR ENUMDOC Renesas RL78 Relocations. @@ -6207,9 +6500,83 @@ ENUMX BFD_RELOC_NIOS2_CALL_LO ENUMX BFD_RELOC_NIOS2_CALL_HA +ENUMX + BFD_RELOC_NIOS2_R2_S12 +ENUMX + BFD_RELOC_NIOS2_R2_I10_1_PCREL +ENUMX + BFD_RELOC_NIOS2_R2_T1I7_1_PCREL +ENUMX + BFD_RELOC_NIOS2_R2_T1I7_2 +ENUMX + BFD_RELOC_NIOS2_R2_T2I4 +ENUMX + BFD_RELOC_NIOS2_R2_T2I4_1 +ENUMX + BFD_RELOC_NIOS2_R2_T2I4_2 +ENUMX + BFD_RELOC_NIOS2_R2_X1I7_2 +ENUMX + BFD_RELOC_NIOS2_R2_X2L5 +ENUMX + BFD_RELOC_NIOS2_R2_F1I5_2 +ENUMX + BFD_RELOC_NIOS2_R2_L5I4X1 +ENUMX + BFD_RELOC_NIOS2_R2_T1X1I6 +ENUMX + BFD_RELOC_NIOS2_R2_T1X1I6_2 ENUMDOC Relocations used by the Altera Nios II core. +ENUM + BFD_RELOC_PRU_U16 +ENUMDOC + PRU LDI 16-bit unsigned data-memory relocation. +ENUM + BFD_RELOC_PRU_U16_PMEMIMM +ENUMDOC + PRU LDI 16-bit unsigned instruction-memory relocation. +ENUM + BFD_RELOC_PRU_LDI32 +ENUMDOC + PRU relocation for two consecutive LDI load instructions that load a + 32 bit value into a register. If the higher bits are all zero, then + the second instruction may be relaxed. +ENUM + BFD_RELOC_PRU_S10_PCREL +ENUMDOC + PRU QBBx 10-bit signed PC-relative relocation. +ENUM + BFD_RELOC_PRU_U8_PCREL +ENUMDOC + PRU 8-bit unsigned relocation used for the LOOP instruction. +ENUM + BFD_RELOC_PRU_32_PMEM +ENUMX + BFD_RELOC_PRU_16_PMEM +ENUMDOC + PRU Program Memory relocations. Used to convert from byte addressing to + 32-bit word addressing. +ENUM + BFD_RELOC_PRU_GNU_DIFF8 +ENUMX + BFD_RELOC_PRU_GNU_DIFF16 +ENUMX + BFD_RELOC_PRU_GNU_DIFF32 +ENUMX + BFD_RELOC_PRU_GNU_DIFF16_PMEM +ENUMX + BFD_RELOC_PRU_GNU_DIFF32_PMEM +ENUMDOC + PRU relocations to mark the difference of two local symbols. + These are only needed to support linker relaxation and can be ignored + when not relaxing. The field is set to the value of the difference + assuming no relaxation. The relocation encodes the position of the + second symbol so the linker can determine whether to adjust the field + value. The PMEM variants encode the word difference, instead of byte + difference between symbols. + ENUM BFD_RELOC_IQ2000_OFFSET_16 ENUMX @@ -6410,6 +6777,14 @@ ENUM BFD_RELOC_MACH_O_PAIR ENUMDOC Pair of relocation. Contains the first symbol. +ENUM + BFD_RELOC_MACH_O_SUBTRACTOR32 +ENUMDOC + Symbol will be substracted. Must be followed by a BFD_RELOC_32. +ENUM + BFD_RELOC_MACH_O_SUBTRACTOR64 +ENUMDOC + Symbol will be substracted. Must be followed by a BFD_RELOC_64. ENUM BFD_RELOC_MACH_O_X86_64_BRANCH32 @@ -6427,14 +6802,6 @@ ENUM ENUMDOC Used when loading a GOT entry with movq. It is specially marked so that the linker could optimize the movq to a leaq if possible. -ENUM - BFD_RELOC_MACH_O_X86_64_SUBTRACTOR32 -ENUMDOC - Symbol will be substracted. Must be followed by a BFD_RELOC_64. -ENUM - BFD_RELOC_MACH_O_X86_64_SUBTRACTOR64 -ENUMDOC - Symbol will be substracted. Must be followed by a BFD_RELOC_64. ENUM BFD_RELOC_MACH_O_X86_64_PCREL32_1 ENUMDOC @@ -6448,6 +6815,24 @@ ENUM ENUMDOC Same as BFD_RELOC_32_PCREL but with an implicit -4 addend. + +ENUM + BFD_RELOC_MACH_O_ARM64_ADDEND +ENUMDOC + Addend for PAGE or PAGEOFF. +ENUM + BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGE21 +ENUMDOC + Relative offset to page of GOT slot. +ENUM + BFD_RELOC_MACH_O_ARM64_GOT_LOAD_PAGEOFF12 +ENUMDOC + Relative offset within page of GOT slot. +ENUM + BFD_RELOC_MACH_O_ARM64_POINTER_TO_GOT +ENUMDOC + Address of a GOT entry. + ENUM BFD_RELOC_MICROBLAZE_32_LO ENUMDOC @@ -6561,6 +6946,10 @@ ENUMDOC relocation enumerators. N.B. the order of the enumerators is important as several tables in the AArch64 bfd backend are indexed by these enumerators; make sure they are all synced. +ENUM + BFD_RELOC_AARCH64_NULL +ENUMDOC + Deprecated AArch64 null relocation code. ENUM BFD_RELOC_AARCH64_NONE ENUMDOC @@ -6731,13 +7120,36 @@ ENUM ENUMDOC Unsigned 12 bit byte offset for 64 bit load/store from the page of the GOT entry for this symbol. Used in conjunction with - BFD_RELOC_AARCH64_ADR_GOTPAGE. Valid in LP64 ABI only. + BFD_RELOC_AARCH64_ADR_GOT_PAGE. Valid in LP64 ABI only. ENUM BFD_RELOC_AARCH64_LD32_GOT_LO12_NC ENUMDOC Unsigned 12 bit byte offset for 32 bit load/store from the page of the GOT entry for this symbol. Used in conjunction with - BFD_RELOC_AARCH64_ADR_GOTPAGE. Valid in ILP32 ABI only. + BFD_RELOC_AARCH64_ADR_GOT_PAGE. Valid in ILP32 ABI only. + ENUM + BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC +ENUMDOC + Unsigned 16 bit byte offset for 64 bit load/store from the GOT entry + for this symbol. Valid in LP64 ABI only. +ENUM + BFD_RELOC_AARCH64_MOVW_GOTOFF_G1 +ENUMDOC + Unsigned 16 bit byte higher offset for 64 bit load/store from the GOT entry + for this symbol. Valid in LP64 ABI only. +ENUM + BFD_RELOC_AARCH64_LD64_GOTOFF_LO15 +ENUMDOC + Unsigned 15 bit byte offset for 64 bit load/store from the page of + the GOT entry for this symbol. Valid in LP64 ABI only. +ENUM + BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14 +ENUMDOC + Scaled 14 bit byte offset to the page base of the global offset table. +ENUM + BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15 +ENUMDOC + Scaled 15 bit byte offset to the page base of the global offset table. ENUM BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21 ENUMDOC @@ -6745,6 +7157,10 @@ ENUMDOC tls_index structure as part of an adrp instruction using a 21 bit PC relative value. Used in conjunction with BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC. +ENUM + BFD_RELOC_AARCH64_TLSGD_ADR_PREL21 +ENUMDOC + AArch64 TLS General Dynamic ENUM BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC ENUMDOC @@ -6752,13 +7168,13 @@ ENUMDOC tls_index structure. Used in conjunction with BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21. ENUM - BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1 + BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC ENUMDOC - AArch64 TLS INITIAL EXEC relocation. + AArch64 TLS General Dynamic relocation. ENUM - BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC + BFD_RELOC_AARCH64_TLSGD_MOVW_G1 ENUMDOC - AArch64 TLS INITIAL EXEC relocation. + AArch64 TLS General Dynamic relocation. ENUM BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 ENUMDOC @@ -6775,6 +7191,97 @@ ENUM BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19 ENUMDOC AArch64 TLS INITIAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC +ENUMDOC + AArch64 TLS INITIAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1 +ENUMDOC + AArch64 TLS INITIAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12 +ENUMDOC + bit[23:12] of byte offset to module TLS base address. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12 +ENUMDOC + Unsigned 12 bit byte offset to module TLS base address. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NC +ENUMDOC + No overflow check version of BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC +ENUMDOC + Unsigned 12 bit byte offset to global offset table entry for a symbols + tls_index structure. Used in conjunction with + BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21 +ENUMDOC + GOT entry page address for AArch64 TLS Local Dynamic, used with ADRP + instruction. +ENUM + BFD_RELOC_AARCH64_TLSLD_ADR_PREL21 +ENUMDOC + GOT entry address for AArch64 TLS Local Dynamic, used with ADR instruction. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12 +ENUMDOC + bit[11:1] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12 +ENUMDOC + bit[11:2] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12 +ENUMDOC + bit[11:3] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12 +ENUMDOC + bit[11:0] of byte offset to module TLS base address, encoded in ldst + instructions. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12, but no overflow check. +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0 +ENUMDOC + bit[15:0] of byte offset to module TLS base address. +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC +ENUMDOC + No overflow check version of BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0 +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1 +ENUMDOC + bit[31:16] of byte offset to module TLS base address. +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC +ENUMDOC + No overflow check version of BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1 +ENUM + BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G2 +ENUMDOC + bit[47:32] of byte offset to module TLS base address. ENUM BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2 ENUMDOC @@ -6820,7 +7327,7 @@ ENUM ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC + BFD_RELOC_AARCH64_TLSDESC_LD64_LO12 ENUMDOC AArch64 TLS DESC relocation. ENUM @@ -6828,7 +7335,7 @@ ENUM ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC + BFD_RELOC_AARCH64_TLSDESC_ADD_LO12 ENUMDOC AArch64 TLS DESC relocation. ENUM @@ -6905,6 +7412,16 @@ ENUM ENUMDOC AArch64 unspecified load/store instruction, holding bits 0 to 11 of the address. Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12 +ENUMDOC + AArch64 pseudo relocation code for TLS local dynamic mode. It's to be + used internally by the AArch64 assembler and not (currently) written to + any object files. +ENUM + BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12_NC +ENUMDOC + Similar as BFD_RELOC_AARCH64_TLSLD_LDST_DTPREL_LO12, but no overflow check. ENUM BFD_RELOC_AARCH64_LD_GOT_LO12_NC ENUMDOC @@ -6920,7 +7437,6 @@ ENUM ENUMDOC AArch64 pseudo relocation code to be used internally by the AArch64 assembler and not (currently) written to any object files. - ENUM BFD_RELOC_TILEPRO_COPY ENUMX @@ -7348,6 +7864,29 @@ ENUMX ENUMDOC Visium Relocations. +ENUM + BFD_RELOC_WASM32_LEB128 +ENUMX + BFD_RELOC_WASM32_LEB128_GOT +ENUMX + BFD_RELOC_WASM32_LEB128_GOT_CODE +ENUMX + BFD_RELOC_WASM32_LEB128_PLT +ENUMX + BFD_RELOC_WASM32_PLT_INDEX +ENUMX + BFD_RELOC_WASM32_ABS32_CODE +ENUMX + BFD_RELOC_WASM32_COPY +ENUMX + BFD_RELOC_WASM32_CODE_POINTER +ENUMX + BFD_RELOC_WASM32_INDEX +ENUMX + BFD_RELOC_WASM32_PLT_SIG +ENUMDOC + WebAssembly relocations. + ENDSENUM BFD_RELOC_UNUSED CODE_FRAGMENT @@ -7413,13 +7952,16 @@ bfd_default_reloc_type_lookup (bfd *abfd, bfd_reloc_code_real_type code) { case 64: BFD_FAIL (); + break; case 32: return &bfd_howto_32; case 16: BFD_FAIL (); + break; default: BFD_FAIL (); } + break; default: BFD_FAIL (); } @@ -7468,7 +8010,7 @@ bfd_generic_relax_section (bfd *abfd ATTRIBUTE_UNUSED, struct bfd_link_info *link_info ATTRIBUTE_UNUSED, bfd_boolean *again) { - if (link_info->relocatable) + if (bfd_link_relocatable (link_info)) (*link_info->callbacks->einfo) (_("%P%F: --relax and -r may not be used together\n")); @@ -7517,7 +8059,7 @@ bfd_generic_lookup_section_flags (struct bfd_link_info *info ATTRIBUTE_UNUSED, { if (flaginfo != NULL) { - (*_bfd_error_handler) (_("INPUT_SECTION_FLAGS are not supported.\n")); + _bfd_error_handler (_("INPUT_SECTION_FLAGS are not supported.\n")); return FALSE; } return TRUE; @@ -7584,6 +8126,9 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, if (!bfd_get_full_section_contents (input_bfd, input_section, &data)) return NULL; + if (data == NULL) + return NULL; + if (reloc_size == 0) return data; @@ -7601,6 +8146,7 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, if (reloc_count > 0) { arelent **parent; + for (parent = reloc_vector; *parent != NULL; parent++) { char *error_message = NULL; @@ -7608,6 +8154,17 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, bfd_reloc_status_type r; symbol = *(*parent)->sym_ptr_ptr; + /* PR ld/19628: A specially crafted input file + can result in a NULL symbol pointer here. */ + if (symbol == NULL) + { + link_info->callbacks->einfo + /* xgettext:c-format */ + (_("%X%P: %B(%A): error: relocation for offset %V has no value\n"), + abfd, input_section, (* parent)->address); + goto error_return; + } + if (symbol->section && discarded_section (symbol->section)) { bfd_byte *p; @@ -7623,10 +8180,6 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, (*parent)->howto = &none_howto; r = bfd_reloc_ok; } - /* PR 17512: file: c146ab8b. */ - else if ((*parent)->address * bfd_octets_per_byte (abfd) - >= bfd_get_section_size (input_section)) - r = bfd_reloc_outofrange; else r = bfd_perform_relocation (input_bfd, *parent, @@ -7649,26 +8202,22 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, switch (r) { case bfd_reloc_undefined: - if (!((*link_info->callbacks->undefined_symbol) - (link_info, bfd_asymbol_name (*(*parent)->sym_ptr_ptr), - input_bfd, input_section, (*parent)->address, - TRUE))) - goto error_return; + (*link_info->callbacks->undefined_symbol) + (link_info, bfd_asymbol_name (*(*parent)->sym_ptr_ptr), + input_bfd, input_section, (*parent)->address, TRUE); break; case bfd_reloc_dangerous: BFD_ASSERT (error_message != NULL); - if (!((*link_info->callbacks->reloc_dangerous) - (link_info, error_message, input_bfd, input_section, - (*parent)->address))) - goto error_return; + (*link_info->callbacks->reloc_dangerous) + (link_info, error_message, + input_bfd, input_section, (*parent)->address); break; case bfd_reloc_overflow: - if (!((*link_info->callbacks->reloc_overflow) - (link_info, NULL, - bfd_asymbol_name (*(*parent)->sym_ptr_ptr), - (*parent)->howto->name, (*parent)->addend, - input_bfd, input_section, (*parent)->address))) - goto error_return; + (*link_info->callbacks->reloc_overflow) + (link_info, NULL, + bfd_asymbol_name (*(*parent)->sym_ptr_ptr), + (*parent)->howto->name, (*parent)->addend, + input_bfd, input_section, (*parent)->address); break; case bfd_reloc_outofrange: /* PR ld/13730: @@ -7676,6 +8225,7 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, complete binaries. Do not abort, but issue an error message instead. */ link_info->callbacks->einfo + /* xgettext:c-format */ (_("%X%P: %B(%A): relocation \"%R\" goes out of range\n"), abfd, input_section, * parent); goto error_return; @@ -7685,12 +8235,18 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, This error can result when processing a corrupt binary. Do not abort. Issue an error message instead. */ link_info->callbacks->einfo + /* xgettext:c-format */ (_("%X%P: %B(%A): relocation \"%R\" is not supported\n"), abfd, input_section, * parent); goto error_return; default: - abort (); + /* PR 17512; file: 90c2a92e. + Report unexpected results, without aborting. */ + link_info->callbacks->einfo + /* xgettext:c-format */ + (_("%X%P: %B(%A): relocation \"%R\" returns an unrecognized value %x\n"), + abfd, input_section, * parent, r); break; } @@ -7705,3 +8261,29 @@ error_return: free (reloc_vector); return NULL; } + +/* +INTERNAL_FUNCTION + _bfd_generic_set_reloc + +SYNOPSIS + void _bfd_generic_set_reloc + (bfd *abfd, + sec_ptr section, + arelent **relptr, + unsigned int count); + +DESCRIPTION + Installs a new set of internal relocations in SECTION. +*/ + + +void _bfd_generic_set_reloc + (bfd *abfd ATTRIBUTE_UNUSED, + sec_ptr section, + arelent **relptr, + unsigned int count) +{ + section->orelocation = relptr; + section->reloc_count = count; +}