X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Freloc.c;h=593e7c71011a6c9fbbac61c3928d4a649f9feffe;hb=ec892a0718dc47c2d009532865c353daa749eaa1;hp=89e46f39d393cc5ee431ba412eb7944ba1351470;hpb=06614111d1be94b43ea8dd83805184d4e177bcea;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/reloc.c b/bfd/reloc.c index 89e46f39d3..593e7c7101 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -1,5 +1,5 @@ /* BFD support for handling relocation entries. - Copyright (C) 1990-2014 Free Software Foundation, Inc. + Copyright (C) 1990-2015 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 (); } @@ -578,7 +579,7 @@ 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; @@ -617,8 +618,12 @@ bfd_perform_relocation (bfd *abfd, return cont; } - /* Is the address of the relocation really within the section? */ - if (reloc_entry->address > bfd_get_section_limit (abfd, input_section)) + /* Is the address of the relocation really within the section? + Include the size of the reloc in the test for out of range addresses. + PR 17512: file: c146ab8b, 46dff27f, 38e53ebf. */ + octets = reloc_entry->address * bfd_octets_per_byte (abfd); + if (octets + bfd_get_reloc_size (howto) + > bfd_get_section_limit_octets (abfd, input_section)) return bfd_reloc_outofrange; /* Work out which section the relocation is targeted at and the @@ -968,7 +973,7 @@ 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; @@ -1001,7 +1006,9 @@ bfd_install_relocation (bfd *abfd, } /* 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 (octets + bfd_get_reloc_size (howto) + > bfd_get_section_limit_octets (abfd, input_section)) return bfd_reloc_outofrange; /* Work out which section the relocation is targeted at and the @@ -1336,9 +1343,11 @@ _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 (octets + bfd_get_reloc_size (howto) + > bfd_get_section_limit_octets (input_bfd, input_section)) return bfd_reloc_outofrange; /* This function assumes that we are dealing with a basic relocation @@ -1393,8 +1402,9 @@ _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 +1571,9 @@ _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; @@ -2444,6 +2455,18 @@ 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 +2676,8 @@ ENUMX BFD_RELOC_386_TLS_DESC ENUMX BFD_RELOC_386_IRELATIVE +ENUMX + BFD_RELOC_386_GOT32X ENUMDOC i386/elf relocations @@ -2714,6 +2739,10 @@ 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 +2889,8 @@ ENUMX BFD_RELOC_PPC_VLE_SDAREL_HA16A ENUMX BFD_RELOC_PPC_VLE_SDAREL_HA16D +ENUMX + BFD_RELOC_PPC_REL16DX_HA ENUMX BFD_RELOC_PPC64_HIGHER ENUMX @@ -2912,6 +2943,8 @@ ENUMX BFD_RELOC_PPC64_ADDR16_HIGHA ENUMX BFD_RELOC_PPC64_ADDR64_LOCAL +ENUMX + BFD_RELOC_PPC64_ENTRY ENUMDOC Power(rs6000) and PowerPC relocations. @@ -3492,18 +3525,139 @@ 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_SECTFOFF_S9 +ENUMX + BFD_RELOC_AC_SECTFOFF_S9_1 +ENUMX + BFD_RELOC_AC_SECTFOFF_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_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 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 @@ -4933,6 +5087,8 @@ ENUMX BFD_RELOC_RL78_LO16 ENUMX BFD_RELOC_RL78_CODE +ENUMX + BFD_RELOC_RL78_SADDR ENUMDOC Renesas RL78 Relocations. @@ -6207,6 +6363,32 @@ 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. @@ -6410,6 +6592,14 @@ 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 +6617,6 @@ 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 +6630,24 @@ 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 @@ -6738,6 +6938,29 @@ 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. + 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 +6968,10 @@ 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 +6979,13 @@ 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 +7002,97 @@ 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 @@ -6905,6 +7223,16 @@ 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 +7248,6 @@ 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 @@ -7301,6 +7628,7 @@ ENUMX BFD_RELOC_TILEGX_IMM8_Y1_TLS_ADD ENUMDOC Tilera TILE-Gx Relocations. + ENUM BFD_RELOC_EPIPHANY_SIMM8 ENUMDOC @@ -7330,6 +7658,22 @@ ENUM ENUMDOC Adapteva EPIPHANY - 8 bit immediate for 16 bit mov instruction. +ENUM + BFD_RELOC_VISIUM_HI16 +ENUMX + BFD_RELOC_VISIUM_LO16 +ENUMX + BFD_RELOC_VISIUM_IM16 +ENUMX + BFD_RELOC_VISIUM_REL16 +ENUMX + BFD_RELOC_VISIUM_HI16_PCREL +ENUMX + BFD_RELOC_VISIUM_LO16_PCREL +ENUMX + BFD_RELOC_VISIUM_IM16_PCREL +ENUMDOC + Visium Relocations. ENDSENUM BFD_RELOC_UNUSED @@ -7451,7 +7795,7 @@ 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")); @@ -7669,7 +8013,11 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, goto error_return; default: - abort (); + /* PR 17512; file: 90c2a92e. + Report unexpected results, without aborting. */ + link_info->callbacks->einfo + (_("%X%P: %B(%A): relocation \"%R\" returns an unrecognized value %x\n"), + abfd, input_section, * parent, r); break; }