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authorNick Clifton <nickc@redhat.com>2012-08-13 14:52:54 +0000
committerNick Clifton <nickc@redhat.com>2012-08-13 14:52:54 +0000
commita06ea96464a2928865beb2ac6f12deb0464bfcd7 (patch)
tree5af98be87fc6e7ea4e8197c241698b97cceeafb8 /bfd/bfd-in2.h
parentf47f77df4e0f38c96bf5a4c4d8ecda6c73f5ffc2 (diff)
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Add support for 64-bit ARM architecture: AArch64
Diffstat (limited to 'bfd/bfd-in2.h')
-rw-r--r--bfd/bfd-in2.h242
1 files changed, 242 insertions, 0 deletions
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index c7ce4cc..e496083 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -935,6 +935,32 @@ extern unsigned int _bfd_elf_ppc_at_tls_transform
extern unsigned int _bfd_elf_ppc_at_tprel_transform
(unsigned int, unsigned int);
+extern void bfd_elf64_aarch64_init_maps
+ (bfd *);
+
+void bfd_elf64_aarch64_set_options
+ (bfd *, struct bfd_link_info *, int, int, int);
+
+/* ELF AArch64 mapping symbol support. */
+#define BFD_AARCH64_SPECIAL_SYM_TYPE_MAP (1 << 0)
+#define BFD_AARCH64_SPECIAL_SYM_TYPE_TAG (1 << 1)
+#define BFD_AARCH64_SPECIAL_SYM_TYPE_OTHER (1 << 2)
+#define BFD_AARCH64_SPECIAL_SYM_TYPE_ANY (~0)
+extern bfd_boolean bfd_is_aarch64_special_symbol_name
+ (const char * name, int type);
+
+/* AArch64 stub generation support. Called from the linker. */
+extern int elf64_aarch64_setup_section_lists
+ (bfd *, struct bfd_link_info *);
+extern void elf64_aarch64_next_input_section
+ (struct bfd_link_info *, struct bfd_section *);
+extern bfd_boolean elf64_aarch64_size_stubs
+ (bfd *, bfd *, struct bfd_link_info *, bfd_signed_vma,
+ struct bfd_section * (*) (const char *, struct bfd_section *),
+ void (*) (void));
+extern bfd_boolean elf64_aarch64_build_stubs
+ (struct bfd_link_info *);
+
/* TI COFF load page support. */
extern void bfd_ticoff_set_section_load_page
(struct bfd_section *, int);
@@ -2164,6 +2190,8 @@ enum bfd_architecture
#define bfd_mach_tilepro 1
#define bfd_mach_tilegx 1
#define bfd_mach_tilegx32 2
+ bfd_arch_aarch64, /* AArch64 */
+#define bfd_mach_aarch64 0
bfd_arch_last
};
@@ -5040,6 +5068,220 @@ value in a word. The relocation is relative offset from */
the dynamic object into the runtime process image. */
BFD_RELOC_MICROBLAZE_COPY,
+/* AArch64 ADD immediate instruction, holding bits 0 to 11 of the address.
+Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. */
+ BFD_RELOC_AARCH64_ADD_LO12,
+
+/* 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. */
+ BFD_RELOC_AARCH64_ADR_GOT_PAGE,
+
+/* AArch64 ADRP instruction, with bits 12 to 32 of a pc-relative page
+offset, giving a 4KB aligned page base address. */
+ 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, but with no overflow
+checking. */
+ BFD_RELOC_AARCH64_ADR_HI21_NC_PCREL,
+
+/* AArch64 ADR instruction, holding a simple 21 bit pc-relative byte offset. */
+ BFD_RELOC_AARCH64_ADR_LO21_PCREL,
+
+/* 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. */
+ BFD_RELOC_AARCH64_BRANCH19,
+
+/* 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. */
+ BFD_RELOC_AARCH64_CALL26,
+
+/* AArch64 pseudo relocation code to be used internally by the AArch64
+assembler and not (currently) written to any object files. */
+ BFD_RELOC_AARCH64_GAS_INTERNAL_FIXUP,
+
+/* 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. */
+ BFD_RELOC_AARCH64_JUMP26,
+
+/* AArch64 Load Literal instruction, holding a 19 bit pc-relative word
+offset. The lowest two bits must be zero and are not stored in the
+instruction, giving a 21 bit signed byte offset. */
+ BFD_RELOC_AARCH64_LD_LO19_PCREL,
+
+/* 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. */
+ BFD_RELOC_AARCH64_LD64_GOT_LO12_NC,
+
+/* AArch64 unspecified load/store instruction, holding bits 0 to 11 of the
+address. Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. */
+ BFD_RELOC_AARCH64_LDST_LO12,
+
+/* AArch64 8-bit load/store instruction, holding bits 0 to 11 of the
+address. Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. */
+ BFD_RELOC_AARCH64_LDST8_LO12,
+
+/* AArch64 16-bit load/store instruction, holding bits 0 to 11 of the
+address. Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. */
+ BFD_RELOC_AARCH64_LDST16_LO12,
+
+/* AArch64 32-bit load/store instruction, holding bits 0 to 11 of the
+address. Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. */
+ BFD_RELOC_AARCH64_LDST32_LO12,
+
+/* AArch64 64-bit load/store instruction, holding bits 0 to 11 of the
+address. Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. */
+ BFD_RELOC_AARCH64_LDST64_LO12,
+
+/* AArch64 128-bit load/store instruction, holding bits 0 to 11 of the
+address. Used in conjunction with BFD_RELOC_AARCH64_ADR_HI21_PCREL. */
+ BFD_RELOC_AARCH64_LDST128_LO12,
+
+/* AArch64 MOV[NZK] instruction with most significant bits 0 to 15
+of an unsigned address/value. */
+ BFD_RELOC_AARCH64_MOVW_G0,
+
+/* 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. */
+ BFD_RELOC_AARCH64_MOVW_G0_S,
+
+/* AArch64 MOV[NZK] instruction with less significant bits 0 to 15 of
+an address/value. No overflow checking. */
+ BFD_RELOC_AARCH64_MOVW_G0_NC,
+
+/* AArch64 MOV[NZK] instruction with most significant bits 16 to 31
+of an unsigned address/value. */
+ BFD_RELOC_AARCH64_MOVW_G1,
+
+/* AArch64 MOV[NZK] instruction with less significant bits 16 to 31
+of an address/value. No overflow checking. */
+ BFD_RELOC_AARCH64_MOVW_G1_NC,
+
+/* 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. */
+ BFD_RELOC_AARCH64_MOVW_G1_S,
+
+/* AArch64 MOV[NZK] instruction with most significant bits 32 to 47
+of an unsigned address/value. */
+ BFD_RELOC_AARCH64_MOVW_G2,
+
+/* AArch64 MOV[NZK] instruction with less significant bits 32 to 47
+of an address/value. No overflow checking. */
+ BFD_RELOC_AARCH64_MOVW_G2_NC,
+
+/* 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. */
+ BFD_RELOC_AARCH64_MOVW_G2_S,
+
+/* AArch64 MOV[NZK] instruction with most signficant bits 48 to 64
+of a signed or unsigned address/value. */
+ BFD_RELOC_AARCH64_MOVW_G3,
+
+/* AArch64 TLS relocation. */
+ BFD_RELOC_AARCH64_TLSDESC,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_ADD,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_CALL,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_LD64_PREL19,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_LDR,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC,
+
+/* AArch64 TLS DESC relocation. */
+ BFD_RELOC_AARCH64_TLSDESC_OFF_G1,
+
+/* 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. */
+ BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC,
+
+/* 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. */
+ BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21,
+
+/* AArch64 TLS INITIAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21,
+
+/* AArch64 TLS INITIAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19,
+
+/* AArch64 TLS INITIAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC,
+
+/* AArch64 TLS INITIAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC,
+
+/* AArch64 TLS INITIAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1,
+
+/* AArch64 TLS LOCAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12,
+
+/* AArch64 TLS LOCAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12,
+
+/* AArch64 TLS LOCAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC,
+
+/* AArch64 TLS LOCAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0,
+
+/* AArch64 TLS LOCAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC,
+
+/* AArch64 TLS LOCAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1,
+
+/* AArch64 TLS LOCAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC,
+
+/* AArch64 TLS LOCAL EXEC relocation. */
+ BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2,
+
+/* AArch64 TLS relocation. */
+ BFD_RELOC_AARCH64_TLS_DTPMOD64,
+
+/* AArch64 TLS relocation. */
+ BFD_RELOC_AARCH64_TLS_DTPREL64,
+
+/* AArch64 TLS relocation. */
+ BFD_RELOC_AARCH64_TLS_TPREL64,
+
+/* 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. */
+ BFD_RELOC_AARCH64_TSTBR14,
+
/* Tilera TILEPro Relocations. */
BFD_RELOC_TILEPRO_COPY,
BFD_RELOC_TILEPRO_GLOB_DAT,