diff options
Diffstat (limited to 'bfd/reloc.c')
| -rw-r--r-- | bfd/reloc.c | 359 |
1 files changed, 223 insertions, 136 deletions
diff --git a/bfd/reloc.c b/bfd/reloc.c index 4d57e23abc..f880fd7969 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -6113,62 +6113,88 @@ ENUMDOC to two words (uses imm instruction). ENUM - BFD_RELOC_AARCH64_ADD_LO12 + BFD_RELOC_AARCH64_RELOC_START ENUMDOC - AArch64 ADD immediate instruction, holding bits 0 to 11 of the address. - Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. + AArch64 pseudo relocation code to mark the start of the AArch64 + 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_GOT_LD_PREL19 + BFD_RELOC_AARCH64_NONE ENUMDOC - AArch64 Load Literal instruction, holding a 19 bit PC relative word - offset of the global offset table entry for a symbol. The lowest two - bits must be zero and are not stored in the instruction, giving a 21 - bit signed byte offset. This relocation type requires signed overflow - checking. + AArch64 null relocation code. ENUM - BFD_RELOC_AARCH64_ADR_GOT_PAGE + BFD_RELOC_AARCH64_64 +ENUMX + BFD_RELOC_AARCH64_32 +ENUMX + BFD_RELOC_AARCH64_16 ENUMDOC - Get to the page base of the global offset table entry for a symbol as - part of an ADRP instruction using a 21 bit PC relative value.Used in - conjunction with BFD_RELOC_AARCH64_LD64_GOT_LO12_NC. + Basic absolute relocations of N bits. These are equivalent to +BFD_RELOC_N and they were added to assist the indexing of the howto +table. ENUM - BFD_RELOC_AARCH64_ADR_HI21_PCREL + BFD_RELOC_AARCH64_64_PCREL +ENUMX + BFD_RELOC_AARCH64_32_PCREL +ENUMX + BFD_RELOC_AARCH64_16_PCREL ENUMDOC - AArch64 ADRP instruction, with bits 12 to 32 of a pc-relative page - offset, giving a 4KB aligned page base address. + PC-relative relocations. These are equivalent to BFD_RELOC_N_PCREL +and they were added to assist the indexing of the howto table. ENUM - BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL + BFD_RELOC_AARCH64_MOVW_G0 ENUMDOC - AArch64 ADRP instruction, with bits 12 to 32 of a pc-relative page - offset, giving a 4KB aligned page base address, but with no overflow - checking. + AArch64 MOV[NZK] instruction with most significant bits 0 to 15 + of an unsigned address/value. ENUM - BFD_RELOC_AARCH64_ADR_LO21_PCREL + BFD_RELOC_AARCH64_MOVW_G0_NC ENUMDOC - AArch64 ADR instruction, holding a simple 21 bit pc-relative byte offset. + AArch64 MOV[NZK] instruction with less significant bits 0 to 15 of + an address/value. No overflow checking. ENUM - BFD_RELOC_AARCH64_BRANCH19 + BFD_RELOC_AARCH64_MOVW_G1 ENUMDOC - AArch64 19 bit pc-relative conditional branch and compare & branch. - The lowest two bits must be zero and are not stored in the instruction, - giving a 21 bit signed byte offset. + AArch64 MOV[NZK] instruction with most significant bits 16 to 31 + of an unsigned address/value. ENUM - BFD_RELOC_AARCH64_CALL26 + BFD_RELOC_AARCH64_MOVW_G1_NC ENUMDOC - AArch64 26 bit pc-relative unconditional branch and link. - The lowest two bits must be zero and are not stored in the instruction, - giving a 28 bit signed byte offset. + AArch64 MOV[NZK] instruction with less significant bits 16 to 31 + of an address/value. No overflow checking. ENUM - BFD_RELOC_AARCH64_GAS_INTERNAL_FIXUP + BFD_RELOC_AARCH64_MOVW_G2 ENUMDOC - AArch64 pseudo relocation code to be used internally by the AArch64 - assembler and not (currently) written to any object files. + AArch64 MOV[NZK] instruction with most significant bits 32 to 47 + of an unsigned address/value. ENUM - BFD_RELOC_AARCH64_JUMP26 + BFD_RELOC_AARCH64_MOVW_G2_NC ENUMDOC - AArch64 26 bit pc-relative unconditional branch. - The lowest two bits must be zero and are not stored in the instruction, - giving a 28 bit signed byte offset. + AArch64 MOV[NZK] instruction with less significant bits 32 to 47 + of an address/value. No overflow checking. +ENUM + BFD_RELOC_AARCH64_MOVW_G3 +ENUMDOC + AArch64 MOV[NZK] instruction with most signficant bits 48 to 64 + of a signed or unsigned address/value. +ENUM + BFD_RELOC_AARCH64_MOVW_G0_S +ENUMDOC + AArch64 MOV[NZ] instruction with most significant bits 0 to 15 + of a signed value. Changes instruction to MOVZ or MOVN depending on the + value's sign. +ENUM + BFD_RELOC_AARCH64_MOVW_G1_S +ENUMDOC + AArch64 MOV[NZ] instruction with most significant bits 16 to 31 + of a signed value. Changes instruction to MOVZ or MOVN depending on the + value's sign. +ENUM + BFD_RELOC_AARCH64_MOVW_G2_S +ENUMDOC + AArch64 MOV[NZ] instruction with most significant bits 32 to 47 + of a signed value. Changes instruction to MOVZ or MOVN depending on the + value's sign. ENUM BFD_RELOC_AARCH64_LD_LO19_PCREL ENUMDOC @@ -6176,22 +6202,55 @@ ENUMDOC offset. The lowest two bits must be zero and are not stored in the instruction, giving a 21 bit signed byte offset. ENUM - BFD_RELOC_AARCH64_LD64_GOT_LO12_NC + BFD_RELOC_AARCH64_ADR_LO21_PCREL 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. + AArch64 ADR instruction, holding a simple 21 bit pc-relative byte offset. ENUM - BFD_RELOC_AARCH64_LDST_LO12 + BFD_RELOC_AARCH64_ADR_HI21_PCREL ENUMDOC - AArch64 unspecified load/store instruction, holding bits 0 to 11 of the - address. Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. + AArch64 ADRP instruction, with bits 12 to 32 of a pc-relative page + offset, giving a 4KB aligned page base address. +ENUM + BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL +ENUMDOC + AArch64 ADRP instruction, with bits 12 to 32 of a pc-relative page + offset, giving a 4KB aligned page base address, but with no overflow + checking. +ENUM + BFD_RELOC_AARCH64_ADD_LO12 +ENUMDOC + AArch64 ADD immediate instruction, holding bits 0 to 11 of the address. + Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. ENUM BFD_RELOC_AARCH64_LDST8_LO12 ENUMDOC AArch64 8-bit 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_TSTBR14 +ENUMDOC + AArch64 14 bit pc-relative test bit and branch. + The lowest two bits must be zero and are not stored in the instruction, + giving a 16 bit signed byte offset. +ENUM + BFD_RELOC_AARCH64_BRANCH19 +ENUMDOC + AArch64 19 bit pc-relative conditional branch and compare & branch. + The lowest two bits must be zero and are not stored in the instruction, + giving a 21 bit signed byte offset. +ENUM + BFD_RELOC_AARCH64_JUMP26 +ENUMDOC + AArch64 26 bit pc-relative unconditional branch. + The lowest two bits must be zero and are not stored in the instruction, + giving a 28 bit signed byte offset. +ENUM + BFD_RELOC_AARCH64_CALL26 +ENUMDOC + AArch64 26 bit pc-relative unconditional branch and link. + The lowest two bits must be zero and are not stored in the instruction, + giving a 28 bit signed byte offset. +ENUM BFD_RELOC_AARCH64_LDST16_LO12 ENUMDOC AArch64 16-bit load/store instruction, holding bits 0 to 11 of the @@ -6212,96 +6271,122 @@ ENUMDOC AArch64 128-bit 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_MOVW_G0 + BFD_RELOC_AARCH64_GOT_LD_PREL19 ENUMDOC - AArch64 MOV[NZK] instruction with most significant bits 0 to 15 - of an unsigned address/value. + AArch64 Load Literal instruction, holding a 19 bit PC relative word + offset of the global offset table entry for a symbol. The lowest two + bits must be zero and are not stored in the instruction, giving a 21 + bit signed byte offset. This relocation type requires signed overflow + checking. ENUM - BFD_RELOC_AARCH64_MOVW_G0_S + BFD_RELOC_AARCH64_ADR_GOT_PAGE ENUMDOC - AArch64 MOV[NZ] instruction with most significant bits 0 to 15 - of a signed value. Changes instruction to MOVZ or MOVN depending on the - value's sign. + Get to the page base of the global offset table entry for a symbol as + part of an ADRP instruction using a 21 bit PC relative value.Used in + conjunction with BFD_RELOC_AARCH64_LD64_GOT_LO12_NC. ENUM - BFD_RELOC_AARCH64_MOVW_G0_NC + BFD_RELOC_AARCH64_LD64_GOT_LO12_NC ENUMDOC - AArch64 MOV[NZK] instruction with less significant bits 0 to 15 of - an address/value. No overflow checking. + 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. ENUM - BFD_RELOC_AARCH64_MOVW_G1 + BFD_RELOC_AARCH64_LD32_GOT_LO12_NC ENUMDOC - AArch64 MOV[NZK] instruction with most significant bits 16 to 31 - of an unsigned address/value. + 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_G1_NC + BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21 ENUMDOC - AArch64 MOV[NZK] instruction with less significant bits 16 to 31 - of an address/value. No overflow checking. + Get to the page base of the global offset table entry for a symbols + 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_MOVW_G1_S + BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC ENUMDOC - AArch64 MOV[NZ] instruction with most significant bits 16 to 31 - of a signed value. Changes instruction to MOVZ or MOVN depending on the - value's sign. + 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_MOVW_G2 + BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1 ENUMDOC - AArch64 MOV[NZK] instruction with most significant bits 32 to 47 - of an unsigned address/value. + AArch64 TLS INITIAL EXEC relocation. ENUM - BFD_RELOC_AARCH64_MOVW_G2_NC + BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC ENUMDOC - AArch64 MOV[NZK] instruction with less significant bits 32 to 47 - of an address/value. No overflow checking. + AArch64 TLS INITIAL EXEC relocation. ENUM - BFD_RELOC_AARCH64_MOVW_G2_S + BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 ENUMDOC - AArch64 MOV[NZ] instruction with most significant bits 32 to 47 - of a signed value. Changes instruction to MOVZ or MOVN depending on the - value's sign. + AArch64 TLS INITIAL EXEC relocation. ENUM - BFD_RELOC_AARCH64_MOVW_G3 + BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC ENUMDOC - AArch64 MOV[NZK] instruction with most signficant bits 48 to 64 - of a signed or unsigned address/value. + AArch64 TLS INITIAL EXEC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC + BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC ENUMDOC - AArch64 TLS relocation. + AArch64 TLS INITIAL EXEC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_ADD + BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19 ENUMDOC - AArch64 TLS DESC relocation. + AArch64 TLS INITIAL EXEC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC + BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2 ENUMDOC - AArch64 TLS DESC relocation. + AArch64 TLS LOCAL EXEC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21 + BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1 ENUMDOC - AArch64 TLS DESC relocation. + AArch64 TLS LOCAL EXEC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21 + BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC +ENUMDOC + AArch64 TLS LOCAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0 +ENUMDOC + AArch64 TLS LOCAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC +ENUMDOC + AArch64 TLS LOCAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12 +ENUMDOC + AArch64 TLS LOCAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12 +ENUMDOC + AArch64 TLS LOCAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC +ENUMDOC + AArch64 TLS LOCAL EXEC relocation. +ENUM + BFD_RELOC_AARCH64_TLSDESC_LD_PREL19 ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_CALL + BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21 ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC + BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21 ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_LD_PREL19 + BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_LDR + BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC + BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC ENUMDOC AArch64 TLS DESC relocation. ENUM @@ -6309,88 +6394,90 @@ ENUM ENUMDOC AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC + BFD_RELOC_AARCH64_TLSDESC_OFF_G0_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. + AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21 + BFD_RELOC_AARCH64_TLSDESC_LDR ENUMDOC - Get to the page base of the global offset table entry for a symbols - 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. + AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 + BFD_RELOC_AARCH64_TLSDESC_ADD ENUMDOC - AArch64 TLS INITIAL EXEC relocation. + AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19 + BFD_RELOC_AARCH64_TLSDESC_CALL ENUMDOC - AArch64 TLS INITIAL EXEC relocation. + AArch64 TLS DESC relocation. ENUM - BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC + BFD_RELOC_AARCH64_COPY ENUMDOC - AArch64 TLS INITIAL EXEC relocation. + AArch64 TLS relocation. ENUM - BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC + BFD_RELOC_AARCH64_GLOB_DAT ENUMDOC - AArch64 TLS INITIAL EXEC relocation. + AArch64 TLS relocation. ENUM - BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1 + BFD_RELOC_AARCH64_JUMP_SLOT ENUMDOC - AArch64 TLS INITIAL EXEC relocation. + AArch64 TLS relocation. ENUM - BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12 + BFD_RELOC_AARCH64_RELATIVE ENUMDOC - AArch64 TLS LOCAL EXEC relocation. + AArch64 TLS relocation. ENUM - BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12 + BFD_RELOC_AARCH64_TLS_DTPMOD ENUMDOC - AArch64 TLS LOCAL EXEC relocation. + AArch64 TLS relocation. ENUM - BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC + BFD_RELOC_AARCH64_TLS_DTPREL ENUMDOC - AArch64 TLS LOCAL EXEC relocation. + AArch64 TLS relocation. ENUM - BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0 + BFD_RELOC_AARCH64_TLS_TPREL ENUMDOC - AArch64 TLS LOCAL EXEC relocation. + AArch64 TLS relocation. ENUM - BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC + BFD_RELOC_AARCH64_TLSDESC ENUMDOC - AArch64 TLS LOCAL EXEC relocation. + AArch64 TLS relocation. ENUM - BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1 + BFD_RELOC_AARCH64_IRELATIVE ENUMDOC - AArch64 TLS LOCAL EXEC relocation. + AArch64 support for STT_GNU_IFUNC. ENUM - BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC + BFD_RELOC_AARCH64_RELOC_END ENUMDOC - AArch64 TLS LOCAL EXEC relocation. + AArch64 pseudo relocation code to mark the end of the AArch64 + relocation enumerators that have direct mapping to ELF reloc codes. + There are a few more enumerators after this one; those are mainly + used by the AArch64 assembler for the internal fixup or to select + one of the above enumerators. ENUM - BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2 + BFD_RELOC_AARCH64_GAS_INTERNAL_FIXUP ENUMDOC - AArch64 TLS LOCAL EXEC relocation. + AArch64 pseudo relocation code to be used internally by the AArch64 + assembler and not (currently) written to any object files. ENUM - BFD_RELOC_AARCH64_TLS_DTPMOD64 + BFD_RELOC_AARCH64_LDST_LO12 ENUMDOC - AArch64 TLS 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_TLS_DTPREL64 + BFD_RELOC_AARCH64_LD_GOT_LO12_NC ENUMDOC - AArch64 TLS relocation. + AArch64 pseudo relocation code to be used internally by the AArch64 + assembler and not (currently) written to any object files. ENUM - BFD_RELOC_AARCH64_TLS_TPREL64 + BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC ENUMDOC - AArch64 TLS relocation. + AArch64 pseudo relocation code to be used internally by the AArch64 + assembler and not (currently) written to any object files. ENUM - BFD_RELOC_AARCH64_TSTBR14 + BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC ENUMDOC - AArch64 14 bit pc-relative test bit and branch. - The lowest two bits must be zero and are not stored in the instruction, - giving a 16 bit signed byte offset. + 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 |