/* 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.
#include "bfd.h"
#include "bfdlink.h"
#include "libbfd.h"
+#include "bfdver.h"
/*
DOCDD
INODE
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
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
/* 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,
return cont;
}
- /* 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. */
+ 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? */
octets = reloc_entry->address * bfd_octets_per_byte (abfd);
- if (octets + bfd_get_reloc_size (howto)
- > bfd_get_section_limit_octets (abfd, input_section))
+ 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
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;
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? */
octets = reloc_entry->address * bfd_octets_per_byte (abfd);
- if (octets + bfd_get_reloc_size (howto)
- > bfd_get_section_limit_octets (abfd, input_section))
+ 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
bfd_size_type octets = address * bfd_octets_per_byte (input_bfd);
/* Sanity check the address. */
- if (octets + bfd_get_reloc_size (howto)
- > bfd_get_section_limit_octets (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
}
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. */
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_386_TLS_DESC
ENUMX
BFD_RELOC_386_IRELATIVE
+ENUMX
+ BFD_RELOC_386_GOT32X
ENUMDOC
i386/elf relocations
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
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
BFD_RELOC_PPC64_ADDR16_HIGHA
ENUMX
BFD_RELOC_PPC64_ADDR64_LOCAL
+ENUMX
+ BFD_RELOC_PPC64_ENTRY
ENUMDOC
Power(rs6000) and PowerPC relocations.
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
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
+ENUMX
+ BFD_RELOC_ARC_JLI_SECTOFF
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
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
+ENUMX
+ BFD_RELOC_RISCV_32_PCREL
+ENUMDOC
+ RISC-V relocations.
+
ENUM
BFD_RELOC_RL78_NEG8
ENUMX
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
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
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
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
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
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 ILP64 ABI only.
+ the GOT entry for this symbol. Valid in LP64 ABI only.
ENUM
BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14
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
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
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
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
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
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
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
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
{
case 64:
BFD_FAIL ();
+ break;
case 32:
return &bfd_howto_32;
case 16:
BFD_FAIL ();
+ break;
default:
BFD_FAIL ();
}
+ break;
default:
BFD_FAIL ();
}
{
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;
if (!bfd_get_full_section_contents (input_bfd, input_section, &data))
return NULL;
+ if (data == NULL)
+ return NULL;
+
if (reloc_size == 0)
return data;
if (reloc_count > 0)
{
arelent **parent;
+
for (parent = reloc_vector; *parent != NULL; parent++)
{
char *error_message = NULL;
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;
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:
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;
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;
/* 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;
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;
+}
+
+/*
+INTERNAL_FUNCTION
+ _bfd_unrecognized_reloc
+
+SYNOPSIS
+ bfd_boolean _bfd_unrecognized_reloc
+ (bfd * abfd,
+ sec_ptr section,
+ unsigned int r_type);
+
+DESCRIPTION
+ Reports an unrecognized reloc.
+ Written as a function in order to reduce code duplication.
+ Returns FALSE so that it can be called from a return statement.
+*/
+
+bfd_boolean
+_bfd_unrecognized_reloc (bfd * abfd, sec_ptr section, unsigned int r_type)
+{
+ /* xgettext:c-format */
+ _bfd_error_handler (_("%B: unrecognized relocation (%#x) in section `%A'"),
+ abfd, r_type, section);
+
+ /* PR 21803: Suggest the most likely cause of this error. */
+ _bfd_error_handler (_("Is this version of the linker - %s - out of date ?"),
+ BFD_VERSION_STRING);
+
+ bfd_set_error (bfd_error_bad_value);
+ return FALSE;
+}
projects / thirdparty / binutils-gdb.git / blobdiff