X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Freloc.c;h=a2bfe2b45bfb167e2a8072a235ebdc2a792b77e6;hb=46a2d504dd875caf60f9be191a55c9ff676bcd5c;hp=f880fd7969a1c505b0c6d84c64cb4e31850c8b16;hpb=a6bb11b2df1b69d79828a52a44eaf29ebc4d4955;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/reloc.c b/bfd/reloc.c index f880fd7969..a2bfe2b45b 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -1,5 +1,5 @@ /* BFD support for handling relocation entries. - Copyright 1990-2013 Free Software Foundation, Inc. + Copyright (C) 1990-2016 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 (); } @@ -578,19 +579,13 @@ 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; - } /* If we are not producing relocatable output, return an error if the symbol is not defined. An undefined weak symbol is @@ -603,7 +598,7 @@ 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, @@ -613,8 +608,23 @@ 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)) + 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? + 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 @@ -784,10 +794,6 @@ space consuming. For each target: } } } - else - { - reloc_entry->addend = 0; - } /* FIXME: This overflow checking is incomplete, because the value might have overflowed before we get here. For a correct check we @@ -968,7 +974,7 @@ 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 +982,11 @@ 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 +1001,19 @@ 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 (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 +1348,11 @@ _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 @@ -1366,7 +1380,8 @@ _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 +1408,9 @@ _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 +1577,9 @@ _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 +2309,22 @@ 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 + BFD_RELOC_MIPS_26_PCREL_S2 +ENUMX + BFD_RELOC_MIPS_18_PCREL_S3 +ENUMX + BFD_RELOC_MIPS_19_PCREL_S2 +ENUMDOC + MIPS PC-relative relocations. + ENUM BFD_RELOC_MICROMIPS_GPREL16 ENUMX @@ -2433,6 +2466,18 @@ 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 @@ -2642,6 +2687,8 @@ ENUMX BFD_RELOC_386_TLS_DESC ENUMX BFD_RELOC_386_IRELATIVE +ENUMX + BFD_RELOC_386_GOT32X ENUMDOC i386/elf relocations @@ -2699,6 +2746,14 @@ ENUMX BFD_RELOC_X86_64_TLSDESC ENUMX BFD_RELOC_X86_64_IRELATIVE +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 @@ -2845,6 +2900,8 @@ 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 @@ -2891,6 +2948,14 @@ ENUMX BFD_RELOC_PPC64_PLTGOT16_DS ENUMX BFD_RELOC_PPC64_PLTGOT16_LO_DS +ENUMX + BFD_RELOC_PPC64_ADDR16_HIGH +ENUMX + BFD_RELOC_PPC64_ADDR16_HIGHA +ENUMX + BFD_RELOC_PPC64_ADDR64_LOCAL +ENUMX + BFD_RELOC_PPC64_ENTRY ENUMDOC Power(rs6000) and PowerPC relocations. @@ -2978,6 +3043,14 @@ ENUMX BFD_RELOC_PPC64_DTPREL16_HIGHEST ENUMX BFD_RELOC_PPC64_DTPREL16_HIGHESTA +ENUMX + BFD_RELOC_PPC64_TPREL16_HIGH +ENUMX + BFD_RELOC_PPC64_TPREL16_HIGHA +ENUMX + BFD_RELOC_PPC64_DTPREL16_HIGH +ENUMX + BFD_RELOC_PPC64_DTPREL16_HIGHA ENUMDOC PowerPC and PowerPC64 thread-local storage relocations. @@ -3209,6 +3282,17 @@ 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 @@ -3463,18 +3547,143 @@ 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 @@ -3822,6 +4031,322 @@ ENUMDOC For PIC. +ENUM + BFD_RELOC_NDS32_20 +ENUMDOC + NDS32 relocs. + This is a 20 bit absolute address. +ENUM + BFD_RELOC_NDS32_9_PCREL +ENUMDOC + This is a 9-bit pc-relative reloc with the right 1 bit assumed to be 0. +ENUM + BFD_RELOC_NDS32_WORD_9_PCREL +ENUMDOC + This is a 9-bit pc-relative reloc with the right 1 bit assumed to be 0. +ENUM + BFD_RELOC_NDS32_15_PCREL +ENUMDOC + This is an 15-bit reloc with the right 1 bit assumed to be 0. +ENUM + BFD_RELOC_NDS32_17_PCREL +ENUMDOC + This is an 17-bit reloc with the right 1 bit assumed to be 0. +ENUM + BFD_RELOC_NDS32_25_PCREL +ENUMDOC + This is a 25-bit reloc with the right 1 bit assumed to be 0. +ENUM + BFD_RELOC_NDS32_HI20 +ENUMDOC + This is a 20-bit reloc containing the high 20 bits of an address + used with the lower 12 bits +ENUM + BFD_RELOC_NDS32_LO12S3 +ENUMDOC + This is a 12-bit reloc containing the lower 12 bits of an address + then shift right by 3. This is used with ldi,sdi... +ENUM + BFD_RELOC_NDS32_LO12S2 +ENUMDOC + This is a 12-bit reloc containing the lower 12 bits of an address + then shift left by 2. This is used with lwi,swi... +ENUM + BFD_RELOC_NDS32_LO12S1 +ENUMDOC + This is a 12-bit reloc containing the lower 12 bits of an address + then shift left by 1. This is used with lhi,shi... +ENUM + BFD_RELOC_NDS32_LO12S0 +ENUMDOC + This is a 12-bit reloc containing the lower 12 bits of an address + then shift left by 0. This is used with lbisbi... +ENUM + BFD_RELOC_NDS32_LO12S0_ORI +ENUMDOC + This is a 12-bit reloc containing the lower 12 bits of an address + then shift left by 0. This is only used with branch relaxations +ENUM + BFD_RELOC_NDS32_SDA15S3 +ENUMDOC + This is a 15-bit reloc containing the small data area 18-bit signed offset + and shift left by 3 for use in ldi, sdi... +ENUM + BFD_RELOC_NDS32_SDA15S2 +ENUMDOC + This is a 15-bit reloc containing the small data area 17-bit signed offset + and shift left by 2 for use in lwi, swi... +ENUM + BFD_RELOC_NDS32_SDA15S1 +ENUMDOC + This is a 15-bit reloc containing the small data area 16-bit signed offset + and shift left by 1 for use in lhi, shi... +ENUM + BFD_RELOC_NDS32_SDA15S0 +ENUMDOC + This is a 15-bit reloc containing the small data area 15-bit signed offset + and shift left by 0 for use in lbi, sbi... +ENUM + BFD_RELOC_NDS32_SDA16S3 +ENUMDOC + This is a 16-bit reloc containing the small data area 16-bit signed offset + and shift left by 3 +ENUM + BFD_RELOC_NDS32_SDA17S2 +ENUMDOC + This is a 17-bit reloc containing the small data area 17-bit signed offset + and shift left by 2 for use in lwi.gp, swi.gp... +ENUM + BFD_RELOC_NDS32_SDA18S1 +ENUMDOC + This is a 18-bit reloc containing the small data area 18-bit signed offset + and shift left by 1 for use in lhi.gp, shi.gp... +ENUM + BFD_RELOC_NDS32_SDA19S0 +ENUMDOC + This is a 19-bit reloc containing the small data area 19-bit signed offset + and shift left by 0 for use in lbi.gp, sbi.gp... +ENUM + BFD_RELOC_NDS32_GOT20 +ENUMX + BFD_RELOC_NDS32_9_PLTREL +ENUMX + BFD_RELOC_NDS32_25_PLTREL +ENUMX + BFD_RELOC_NDS32_COPY +ENUMX + BFD_RELOC_NDS32_GLOB_DAT +ENUMX + BFD_RELOC_NDS32_JMP_SLOT +ENUMX + BFD_RELOC_NDS32_RELATIVE +ENUMX + BFD_RELOC_NDS32_GOTOFF +ENUMX + BFD_RELOC_NDS32_GOTOFF_HI20 +ENUMX + BFD_RELOC_NDS32_GOTOFF_LO12 +ENUMX + BFD_RELOC_NDS32_GOTPC20 +ENUMX + BFD_RELOC_NDS32_GOT_HI20 +ENUMX + BFD_RELOC_NDS32_GOT_LO12 +ENUMX + BFD_RELOC_NDS32_GOTPC_HI20 +ENUMX + BFD_RELOC_NDS32_GOTPC_LO12 +ENUMDOC + for PIC +ENUM + BFD_RELOC_NDS32_INSN16 +ENUMX + BFD_RELOC_NDS32_LABEL +ENUMX + BFD_RELOC_NDS32_LONGCALL1 +ENUMX + BFD_RELOC_NDS32_LONGCALL2 +ENUMX + BFD_RELOC_NDS32_LONGCALL3 +ENUMX + BFD_RELOC_NDS32_LONGJUMP1 +ENUMX + BFD_RELOC_NDS32_LONGJUMP2 +ENUMX + BFD_RELOC_NDS32_LONGJUMP3 +ENUMX + BFD_RELOC_NDS32_LOADSTORE +ENUMX + BFD_RELOC_NDS32_9_FIXED +ENUMX + BFD_RELOC_NDS32_15_FIXED +ENUMX + BFD_RELOC_NDS32_17_FIXED +ENUMX + BFD_RELOC_NDS32_25_FIXED +ENUMX + BFD_RELOC_NDS32_LONGCALL4 +ENUMX + BFD_RELOC_NDS32_LONGCALL5 +ENUMX + BFD_RELOC_NDS32_LONGCALL6 +ENUMX + BFD_RELOC_NDS32_LONGJUMP4 +ENUMX + BFD_RELOC_NDS32_LONGJUMP5 +ENUMX + BFD_RELOC_NDS32_LONGJUMP6 +ENUMX + BFD_RELOC_NDS32_LONGJUMP7 +ENUMDOC + for relax +ENUM + BFD_RELOC_NDS32_PLTREL_HI20 +ENUMX + BFD_RELOC_NDS32_PLTREL_LO12 +ENUMX + BFD_RELOC_NDS32_PLT_GOTREL_HI20 +ENUMX + BFD_RELOC_NDS32_PLT_GOTREL_LO12 +ENUMDOC + for PIC +ENUM + BFD_RELOC_NDS32_SDA12S2_DP +ENUMX + BFD_RELOC_NDS32_SDA12S2_SP +ENUMX + BFD_RELOC_NDS32_LO12S2_DP +ENUMX + BFD_RELOC_NDS32_LO12S2_SP +ENUMDOC + for floating point +ENUM + BFD_RELOC_NDS32_DWARF2_OP1 +ENUMX + BFD_RELOC_NDS32_DWARF2_OP2 +ENUMX + BFD_RELOC_NDS32_DWARF2_LEB +ENUMDOC + for dwarf2 debug_line. +ENUM + BFD_RELOC_NDS32_UPDATE_TA +ENUMDOC + for eliminate 16-bit instructions +ENUM + BFD_RELOC_NDS32_PLT_GOTREL_LO20 +ENUMX + BFD_RELOC_NDS32_PLT_GOTREL_LO15 +ENUMX + BFD_RELOC_NDS32_PLT_GOTREL_LO19 +ENUMX + BFD_RELOC_NDS32_GOT_LO15 +ENUMX + BFD_RELOC_NDS32_GOT_LO19 +ENUMX + BFD_RELOC_NDS32_GOTOFF_LO15 +ENUMX + BFD_RELOC_NDS32_GOTOFF_LO19 +ENUMX + BFD_RELOC_NDS32_GOT15S2 +ENUMX + BFD_RELOC_NDS32_GOT17S2 +ENUMDOC + for PIC object relaxation +ENUM + BFD_RELOC_NDS32_5 +ENUMDOC + NDS32 relocs. + This is a 5 bit absolute address. +ENUM + BFD_RELOC_NDS32_10_UPCREL +ENUMDOC + This is a 10-bit unsigned pc-relative reloc with the right 1 bit assumed to be 0. +ENUM + BFD_RELOC_NDS32_SDA_FP7U2_RELA +ENUMDOC + If fp were omitted, fp can used as another gp. +ENUM + BFD_RELOC_NDS32_RELAX_ENTRY +ENUMX + BFD_RELOC_NDS32_GOT_SUFF +ENUMX + BFD_RELOC_NDS32_GOTOFF_SUFF +ENUMX + BFD_RELOC_NDS32_PLT_GOT_SUFF +ENUMX + BFD_RELOC_NDS32_MULCALL_SUFF +ENUMX + BFD_RELOC_NDS32_PTR +ENUMX + BFD_RELOC_NDS32_PTR_COUNT +ENUMX + BFD_RELOC_NDS32_PTR_RESOLVED +ENUMX + BFD_RELOC_NDS32_PLTBLOCK +ENUMX + BFD_RELOC_NDS32_RELAX_REGION_BEGIN +ENUMX + BFD_RELOC_NDS32_RELAX_REGION_END +ENUMX + BFD_RELOC_NDS32_MINUEND +ENUMX + BFD_RELOC_NDS32_SUBTRAHEND +ENUMX + BFD_RELOC_NDS32_DIFF8 +ENUMX + BFD_RELOC_NDS32_DIFF16 +ENUMX + BFD_RELOC_NDS32_DIFF32 +ENUMX + BFD_RELOC_NDS32_DIFF_ULEB128 +ENUMX + BFD_RELOC_NDS32_EMPTY +ENUMDOC + relaxation relative relocation types +ENUM + BFD_RELOC_NDS32_25_ABS +ENUMDOC + This is a 25 bit absolute address. +ENUM + BFD_RELOC_NDS32_DATA +ENUMX + BFD_RELOC_NDS32_TRAN +ENUMX + BFD_RELOC_NDS32_17IFC_PCREL +ENUMX + BFD_RELOC_NDS32_10IFCU_PCREL +ENUMDOC + For ex9 and ifc using. +ENUM + BFD_RELOC_NDS32_TPOFF +ENUMX + BFD_RELOC_NDS32_TLS_LE_HI20 +ENUMX + BFD_RELOC_NDS32_TLS_LE_LO12 +ENUMX + BFD_RELOC_NDS32_TLS_LE_ADD +ENUMX + BFD_RELOC_NDS32_TLS_LE_LS +ENUMX + BFD_RELOC_NDS32_GOTTPOFF +ENUMX + BFD_RELOC_NDS32_TLS_IE_HI20 +ENUMX + BFD_RELOC_NDS32_TLS_IE_LO12S2 +ENUMX + BFD_RELOC_NDS32_TLS_TPOFF +ENUMX + BFD_RELOC_NDS32_TLS_LE_20 +ENUMX + BFD_RELOC_NDS32_TLS_LE_15S0 +ENUMX + BFD_RELOC_NDS32_TLS_LE_15S1 +ENUMX + BFD_RELOC_NDS32_TLS_LE_15S2 +ENUMDOC + For TLS. + + ENUM BFD_RELOC_V850_9_PCREL ENUMDOC @@ -4494,7 +5019,34 @@ ENUM ENUMDOC This is a 8 bit reloc for the AVR that stores bits 16..23 of a symbol in .byte hlo8(symbol) - +ENUM + BFD_RELOC_AVR_DIFF8 +ENUMX + BFD_RELOC_AVR_DIFF16 +ENUMX + BFD_RELOC_AVR_DIFF32 +ENUMDOC + AVR 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. +ENUM + BFD_RELOC_AVR_LDS_STS_16 +ENUMDOC + This is a 7 bit reloc for the AVR that stores SRAM address for 16bit + lds and sts instructions supported only tiny core. +ENUM + BFD_RELOC_AVR_PORT6 +ENUMDOC + This is a 6 bit reloc for the AVR that stores an I/O register + number for the IN and OUT instructions +ENUM + BFD_RELOC_AVR_PORT5 +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_RL78_NEG8 ENUMX @@ -4561,6 +5113,8 @@ ENUMX BFD_RELOC_RL78_LO16 ENUMX BFD_RELOC_RL78_CODE +ENUMX + BFD_RELOC_RL78_SADDR ENUMDOC Renesas RL78 Relocations. @@ -4657,6 +5211,14 @@ ENUM BFD_RELOC_390_GOT16 ENUMDOC 16 bit GOT offset. +ENUM + BFD_RELOC_390_PC12DBL +ENUMDOC + PC relative 12 bit shifted by 1. +ENUM + BFD_RELOC_390_PLT12DBL +ENUMDOC + 12 bit PC rel. PLT shifted by 1. ENUM BFD_RELOC_390_PC16DBL ENUMDOC @@ -4665,6 +5227,14 @@ ENUM BFD_RELOC_390_PLT16DBL ENUMDOC 16 bit PC rel. PLT shifted by 1. +ENUM + BFD_RELOC_390_PC24DBL +ENUMDOC + PC relative 24 bit shifted by 1. +ENUM + BFD_RELOC_390_PLT24DBL +ENUMDOC + 24 bit PC rel. PLT shifted by 1. ENUM BFD_RELOC_390_PC32DBL ENUMDOC @@ -5567,11 +6137,55 @@ ENUMDOC Intel i860 Relocations. ENUM - BFD_RELOC_OPENRISC_ABS_26 + BFD_RELOC_OR1K_REL_26 +ENUMX + BFD_RELOC_OR1K_GOTPC_HI16 +ENUMX + BFD_RELOC_OR1K_GOTPC_LO16 +ENUMX + BFD_RELOC_OR1K_GOT16 +ENUMX + BFD_RELOC_OR1K_PLT26 +ENUMX + BFD_RELOC_OR1K_GOTOFF_HI16 +ENUMX + BFD_RELOC_OR1K_GOTOFF_LO16 +ENUMX + BFD_RELOC_OR1K_COPY +ENUMX + BFD_RELOC_OR1K_GLOB_DAT +ENUMX + BFD_RELOC_OR1K_JMP_SLOT ENUMX - BFD_RELOC_OPENRISC_REL_26 + BFD_RELOC_OR1K_RELATIVE +ENUMX + BFD_RELOC_OR1K_TLS_GD_HI16 +ENUMX + BFD_RELOC_OR1K_TLS_GD_LO16 +ENUMX + BFD_RELOC_OR1K_TLS_LDM_HI16 +ENUMX + BFD_RELOC_OR1K_TLS_LDM_LO16 +ENUMX + BFD_RELOC_OR1K_TLS_LDO_HI16 +ENUMX + BFD_RELOC_OR1K_TLS_LDO_LO16 +ENUMX + BFD_RELOC_OR1K_TLS_IE_HI16 +ENUMX + BFD_RELOC_OR1K_TLS_IE_LO16 +ENUMX + BFD_RELOC_OR1K_TLS_LE_HI16 +ENUMX + BFD_RELOC_OR1K_TLS_LE_LO16 +ENUMX + BFD_RELOC_OR1K_TLS_TPOFF +ENUMX + BFD_RELOC_OR1K_TLS_DTPOFF +ENUMX + BFD_RELOC_OR1K_TLS_DTPMOD ENUMDOC - OpenRISC Relocations. + OpenRISC 1000 Relocations. ENUM BFD_RELOC_H8_DIR16A8 @@ -5719,7 +6333,7 @@ ENUMX BFD_RELOC_NIOS2_HIADJ16 ENUMX BFD_RELOC_NIOS2_GPREL -ENUMX +ENUMX BFD_RELOC_NIOS2_UJMP ENUMX BFD_RELOC_NIOS2_CJMP @@ -5765,6 +6379,42 @@ ENUMX BFD_RELOC_NIOS2_RELATIVE ENUMX BFD_RELOC_NIOS2_GOTOFF +ENUMX + BFD_RELOC_NIOS2_CALL26_NOAT +ENUMX + BFD_RELOC_NIOS2_GOT_LO +ENUMX + BFD_RELOC_NIOS2_GOT_HA +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. @@ -5968,6 +6618,14 @@ 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 @@ -5985,14 +6643,6 @@ 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 @@ -6006,6 +6656,24 @@ 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 @@ -6119,6 +6787,10 @@ 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 @@ -6296,6 +6968,29 @@ 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 @@ -6303,6 +6998,10 @@ 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 @@ -6310,13 +7009,13 @@ 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 @@ -6333,6 +7032,97 @@ 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 @@ -6463,6 +7253,16 @@ 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 @@ -6478,7 +7278,6 @@ 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 @@ -6859,6 +7658,7 @@ ENUMX BFD_RELOC_TILEGX_IMM8_Y1_TLS_ADD ENUMDOC Tilera TILE-Gx Relocations. + ENUM BFD_RELOC_EPIPHANY_SIMM8 ENUMDOC @@ -6888,6 +7688,22 @@ 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 @@ -7009,7 +7825,7 @@ 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")); @@ -7142,6 +7958,7 @@ 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; @@ -7149,6 +7966,16 @@ 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 + (_("%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; @@ -7186,26 +8013,22 @@ 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: @@ -7217,8 +8040,21 @@ bfd_generic_get_relocated_section_contents (bfd *abfd, abfd, input_section, * parent); goto error_return; + case bfd_reloc_notsupported: + /* PR ld/17512 + This error can result when processing a corrupt binary. + Do not abort. Issue an error message instead. */ + link_info->callbacks->einfo + (_("%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 + (_("%X%P: %B(%A): relocation \"%R\" returns an unrecognized value %x\n"), + abfd, input_section, * parent, r); break; }