/* BFD support for handling relocation entries.
- Copyright 1990-2013 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.
case 3: return 0;
case 4: return 8;
case 8: return 16;
+ case -1: return 2;
case -2: return 4;
default: abort ();
}
{
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;
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
considered to have a value of zero (SVR4 ABI, p. 4-27). */
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
}
}
}
- 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
{
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;
}
/* 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
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
switch (size)
{
default:
- case 0:
abort ();
+ case 0:
+ return bfd_reloc_ok;
case 1:
x = bfd_get_8 (input_bfd, location);
break;
switch (size)
{
default:
- case 0:
abort ();
+ case 0:
+ return;
case 1:
x = bfd_get_8 (input_bfd, location);
break;
microMIPS PC-relative relocations.
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
BFD_RELOC_MICROMIPS_HI16
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
BFD_RELOC_FRV_LABEL24
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
ENUMX
BFD_RELOC_NDS32_DIFF_ULEB128
ENUMX
+ BFD_RELOC_NDS32_EMPTY
+ENUMDOC
+ relaxation relative relocation types
+ENUM
BFD_RELOC_NDS32_25_ABS
-ENUMX
+ENUMDOC
+ This is a 25 bit absolute address.
+ENUM
BFD_RELOC_NDS32_DATA
ENUMX
BFD_RELOC_NDS32_TRAN
ENUMX
BFD_RELOC_NDS32_10IFCU_PCREL
ENUMDOC
- relaxation relative relocation types
+ 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
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
BFD_RELOC_RL78_LO16
ENUMX
BFD_RELOC_RL78_CODE
+ENUMX
+ BFD_RELOC_RL78_SADDR
ENUMDOC
Renesas RL78 Relocations.
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_OPENRISC_REL_26
+ 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_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
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.
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
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
Unsigned 12 bit byte offset to global offset table entry for a symbols
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
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
AArch64 TLS LOCAL EXEC relocation.
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
AArch64 pseudo relocation code to be used internally by the AArch64
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
BFD_RELOC_TILEGX_IMM8_Y1_TLS_ADD
ENUMDOC
Tilera TILE-Gx Relocations.
+
ENUM
BFD_RELOC_EPIPHANY_SIMM8
ENUMDOC
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
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"));
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;
}
projects / external / binutils.git / blobdiff