[AArch64, ILP32] 3/6 Support for ELF32 relocs and refactor reloc handling
bfd/ * bfd-in2.h: Re-generated. * elfnn-aarch64.c (HOWTO64, HOWTO32): New define. (IS_AARCH64_TLS_RELOC): Change to be based on the bfd reloc enumerators. (IS_AARCH64_TLSDESC_RELOC): Likewise. (PG, PG_OFFSET): Cast literal to bfd_vma. (elf64_aarch64_howto_table): Removed. (elf64_aarch64_howto_dynrelocs): Removed. (elf64_aarch64_tls_howto_table): Removed. (elf64_aarch64_tlsdesc_howto_table): Removed. (elfNN_aarch64_howto_table): New table to host all howto entires.. (R_AARCH64_*): Replaced by AARCH64_R (*) and AARCH64_R_STR (*). (elfNN_aarch64_bfd_reloc_from_howto): New function. (elfNN_aarch64_bfd_reloc_from_type): Ditto. (struct elf_aarch64_reloc_map): New. (elf_aarch64_reloc_map): New table. (elfNN_aarch64_howto_from_bfd_reloc): New function. (elfNN_aarch64_howto_from_type): Update to look up the new table elfNN_aarch64_howto_table. (struct elf64_aarch64_reloc_map): Remove. (elf64_aarch64_reloc_map): Remove. (elfNN_aarch64_reloc_type_lookup): Change to call elfNN_aarch64_howto_from_bfd_reloc. (elfNN_aarch64_reloc_name_lookup): Change to look up the new table elfNN_aarch64_howto_table. (aarch64_resolve_relocation): Refactor to switch on the bfd reloc enumerators. (bfd_elf_aarch64_put_addend): Likewise. (elfNN_aarch64_final_link_relocate): Likewise. (aarch64_tls_transition_without_check): Likewise. (aarch64_reloc_got_type): Likewise. (aarch64_can_relax_tls): Likewise. (aarch64_tls_transition): Likewise. (elfNN_aarch64_tls_relax): Likewise. (elfNN_aarch64_final_link_relocate): Likewise. (elfNN_aarch64_relocate_section): Likewise. (elfNN_aarch64_gc_sweep_hook): Likewise. (elfNN_aarch64_check_relocs): Likewise. (aarch64_tls_transition): Change to return a bfd reloc enumerator. * libbfd.h: Re-generated. * reloc.c: Re-order the AArch64 bfd reloc enumerators. (BFD_RELOC_AARCH64_RELOC_START) (BFD_RELOC_AARCH64_RELOC_END) (BFD_RELOC_AARCH64_LD_GOT_LO12_NC) (BFD_RELOC_AARCH64_LD32_GOT_LO12_NC) (BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC) (BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC) (BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC) (BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC) (BFD_RELOC_AARCH64_IRELATIVE): New relocs. gas/ * config/tc-aarch64.c (reloc_table): Replace BFD_RELOC_AARCH64_LD64_GOT_LO12_NC with BFD_RELOC_AARCH64_LD_GOT_LO12_NC; likewise to BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC and BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC. (md_apply_fix): Handle BFD_RELOC_AARCH64_LD_GOT_LO12_NC, BFD_RELOC_AARCH64_LD32_GOT_LO12_NC, BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC, BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC, BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_LO12_NC and BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC. (aarch64_force_relocation): Likewise. gas/testsuite/ * gas/aarch64/ilp32-basic.d: New file. * gas/aarch64/ilp32-basic.s: New file. include/elf/ * aarch64.h: Add ELF32 reloc codes and remove fake ELF64 ones. (R_AARCH64_IRELATIVE): New reloc.
This commit is contained in:
Yufeng Zhang
@@ -1,3 +1,7 @@
|
||||
2013-06-26 Yufeng Zhang <yufeng.zhang@arm.com>
|
||||
|
||||
* aarch64.h: Add ELF32 reloc codes and remove fake ELF64 ones.
|
||||
|
||||
2013-06-24 Maciej W. Rozycki <macro@codesourcery.com>
|
||||
|
||||
* mips.h (ELF_ST_IS_MIPS_PLT): Respect STO_MIPS16 setting.
|
||||
|
||||
@@ -43,7 +43,126 @@ START_RELOC_NUMBERS (elf_aarch64_reloc_type)
|
||||
/* Null relocations. */
|
||||
RELOC_NUMBER (R_AARCH64_NONE, 0) /* No reloc */
|
||||
|
||||
FAKE_RELOC (R_AARCH64_static_min, 256)
|
||||
/* Basic data relocations. */
|
||||
|
||||
/* .word: (S+A) */
|
||||
RELOC_NUMBER (R_AARCH64_P32_ABS32, 1)
|
||||
|
||||
/* .half: (S+A) */
|
||||
RELOC_NUMBER (R_AARCH64_P32_ABS16, 2)
|
||||
|
||||
/* .word: (S+A-P) */
|
||||
RELOC_NUMBER (R_AARCH64_P32_PREL32, 3)
|
||||
|
||||
/* .half: (S+A-P) */
|
||||
RELOC_NUMBER (R_AARCH64_P32_PREL16, 4)
|
||||
|
||||
/* Group relocations to create a 16, 32, 48 or 64 bit
|
||||
unsigned data or abs address inline. */
|
||||
|
||||
/* MOV[ZK]: ((S+A) >> 0) & 0xffff */
|
||||
RELOC_NUMBER (R_AARCH64_P32_MOVW_UABS_G0, 5)
|
||||
|
||||
/* MOV[ZK]: ((S+A) >> 0) & 0xffff */
|
||||
RELOC_NUMBER (R_AARCH64_P32_MOVW_UABS_G0_NC, 6)
|
||||
|
||||
/* MOV[ZK]: ((S+A) >> 16) & 0xffff */
|
||||
RELOC_NUMBER (R_AARCH64_P32_MOVW_UABS_G1, 7)
|
||||
|
||||
/* Group relocations to create high part of a 16, 32, 48 or 64 bit
|
||||
signed data or abs address inline. Will change instruction
|
||||
to MOVN or MOVZ depending on sign of calculated value. */
|
||||
|
||||
/* MOV[ZN]: ((S+A) >> 0) & 0xffff */
|
||||
RELOC_NUMBER (R_AARCH64_P32_MOVW_SABS_G0, 8)
|
||||
|
||||
/* Relocations to generate 19, 21 and 33 bit PC-relative load/store
|
||||
addresses: PG(x) is (x & ~0xfff). */
|
||||
|
||||
/* LD-lit: ((S+A-P) >> 2) & 0x7ffff */
|
||||
RELOC_NUMBER (R_AARCH64_P32_LD_PREL_LO19, 9)
|
||||
|
||||
/* ADR: (S+A-P) & 0x1fffff */
|
||||
RELOC_NUMBER (R_AARCH64_P32_ADR_PREL_LO21, 10)
|
||||
|
||||
/* ADRH: ((PG(S+A)-PG(P)) >> 12) & 0x1fffff */
|
||||
RELOC_NUMBER (R_AARCH64_P32_ADR_PREL_PG_HI21, 11)
|
||||
|
||||
/* ADD: (S+A) & 0xfff */
|
||||
RELOC_NUMBER (R_AARCH64_P32_ADD_ABS_LO12_NC, 12)
|
||||
|
||||
/* LD/ST8: (S+A) & 0xfff */
|
||||
RELOC_NUMBER (R_AARCH64_P32_LDST8_ABS_LO12_NC, 13)
|
||||
|
||||
/* LD/ST16: (S+A) & 0xffe */
|
||||
RELOC_NUMBER (R_AARCH64_P32_LDST16_ABS_LO12_NC, 14)
|
||||
|
||||
/* LD/ST32: (S+A) & 0xffc */
|
||||
RELOC_NUMBER (R_AARCH64_P32_LDST32_ABS_LO12_NC, 15)
|
||||
|
||||
/* LD/ST64: (S+A) & 0xff8 */
|
||||
RELOC_NUMBER (R_AARCH64_P32_LDST64_ABS_LO12_NC, 16)
|
||||
|
||||
/* LD/ST128: (S+A) & 0xff0 */
|
||||
RELOC_NUMBER (R_AARCH64_P32_LDST128_ABS_LO12_NC, 17)
|
||||
|
||||
/* Relocations for control-flow instructions. */
|
||||
|
||||
/* TBZ/NZ: ((S+A-P) >> 2) & 0x3fff. */
|
||||
RELOC_NUMBER (R_AARCH64_P32_TSTBR14, 18)
|
||||
|
||||
/* B.cond: ((S+A-P) >> 2) & 0x7ffff. */
|
||||
RELOC_NUMBER (R_AARCH64_P32_CONDBR19, 19)
|
||||
|
||||
/* B: ((S+A-P) >> 2) & 0x3ffffff. */
|
||||
RELOC_NUMBER (R_AARCH64_P32_JUMP26, 20)
|
||||
|
||||
/* BL: ((S+A-P) >> 2) & 0x3ffffff. */
|
||||
RELOC_NUMBER (R_AARCH64_P32_CALL26, 21)
|
||||
|
||||
|
||||
RELOC_NUMBER (R_AARCH64_P32_GOT_LD_PREL19, 25)
|
||||
RELOC_NUMBER (R_AARCH64_P32_ADR_GOT_PAGE, 26)
|
||||
RELOC_NUMBER (R_AARCH64_P32_LD32_GOT_LO12_NC, 27)
|
||||
|
||||
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSGD_ADR_PAGE21, 81)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSGD_ADD_LO12_NC, 82)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSIE_ADR_GOTTPREL_PAGE21, 103)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSIE_LD32_GOTTPREL_LO12_NC, 104)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSIE_LD_GOTTPREL_PREL19, 105)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSLE_MOVW_TPREL_G1, 106)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSLE_MOVW_TPREL_G0, 107)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSLE_MOVW_TPREL_G0_NC, 108)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSLE_ADD_TPREL_HI12, 109)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSLE_ADD_TPREL_LO12, 110)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSLE_ADD_TPREL_LO12_NC, 111)
|
||||
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSDESC_LD_PREL19, 122)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSDESC_ADR_PREL21, 123)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSDESC_ADR_PAGE21, 124)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSDESC_LD32_LO12_NC, 125)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSDESC_ADD_LO12_NC, 126)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSDESC_CALL, 127)
|
||||
|
||||
/* Dynamic relocations */
|
||||
|
||||
/* Copy symbol at runtime. */
|
||||
RELOC_NUMBER (R_AARCH64_P32_COPY, 180)
|
||||
|
||||
/* Create GOT entry. */
|
||||
RELOC_NUMBER (R_AARCH64_P32_GLOB_DAT, 181)
|
||||
|
||||
/* Create PLT entry. */
|
||||
RELOC_NUMBER (R_AARCH64_P32_JUMP_SLOT, 182)
|
||||
|
||||
/* Adjust by program base. */
|
||||
RELOC_NUMBER (R_AARCH64_P32_RELATIVE, 183)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLS_DTPMOD, 184)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLS_DTPREL, 185)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLS_TPREL, 186)
|
||||
RELOC_NUMBER (R_AARCH64_P32_TLSDESC, 187)
|
||||
RELOC_NUMBER (R_AARCH64_P32_IRELATIVE, 188)
|
||||
|
||||
RELOC_NUMBER (R_AARCH64_NULL, 256) /* No reloc */
|
||||
|
||||
@@ -157,9 +276,6 @@ RELOC_NUMBER (R_AARCH64_GOT_LD_PREL19, 309)
|
||||
RELOC_NUMBER (R_AARCH64_ADR_GOT_PAGE, 311)
|
||||
RELOC_NUMBER (R_AARCH64_LD64_GOT_LO12_NC, 312)
|
||||
|
||||
FAKE_RELOC (R_AARCH64_static_max, 313)
|
||||
|
||||
FAKE_RELOC (R_AARCH64_tls_min, 512)
|
||||
RELOC_NUMBER (R_AARCH64_TLSGD_ADR_PAGE21, 513)
|
||||
RELOC_NUMBER (R_AARCH64_TLSGD_ADD_LO12_NC, 514)
|
||||
RELOC_NUMBER (R_AARCH64_TLSIE_MOVW_GOTTPREL_G1, 539)
|
||||
@@ -175,9 +291,7 @@ RELOC_NUMBER (R_AARCH64_TLSLE_MOVW_TPREL_G0_NC, 548)
|
||||
RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_HI12, 549)
|
||||
RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_LO12, 550)
|
||||
RELOC_NUMBER (R_AARCH64_TLSLE_ADD_TPREL_LO12_NC, 551)
|
||||
FAKE_RELOC (R_AARCH64_tls_max, 552)
|
||||
|
||||
FAKE_RELOC (R_AARCH64_tlsdesc_min, 560)
|
||||
RELOC_NUMBER (R_AARCH64_TLSDESC_LD_PREL19, 560)
|
||||
RELOC_NUMBER (R_AARCH64_TLSDESC_ADR_PREL21, 561)
|
||||
RELOC_NUMBER (R_AARCH64_TLSDESC_ADR_PAGE21, 562)
|
||||
@@ -188,10 +302,8 @@ RELOC_NUMBER (R_AARCH64_TLSDESC_OFF_G0_NC, 566)
|
||||
RELOC_NUMBER (R_AARCH64_TLSDESC_LDR, 567)
|
||||
RELOC_NUMBER (R_AARCH64_TLSDESC_ADD, 568)
|
||||
RELOC_NUMBER (R_AARCH64_TLSDESC_CALL, 569)
|
||||
FAKE_RELOC (R_AARCH64_tlsdesc_max, 570)
|
||||
|
||||
/* Dynamic relocations */
|
||||
FAKE_RELOC (R_AARCH64_dyn_min, 1024)
|
||||
|
||||
/* Copy symbol at runtime. */
|
||||
RELOC_NUMBER (R_AARCH64_COPY, 1024)
|
||||
@@ -204,11 +316,11 @@ RELOC_NUMBER (R_AARCH64_JUMP_SLOT, 1026)
|
||||
|
||||
/* Adjust by program base. */
|
||||
RELOC_NUMBER (R_AARCH64_RELATIVE, 1027)
|
||||
RELOC_NUMBER (R_AARCH64_TLS_DTPMOD64, 1028)
|
||||
RELOC_NUMBER (R_AARCH64_TLS_DTPREL64, 1029)
|
||||
RELOC_NUMBER (R_AARCH64_TLS_TPREL64, 1030)
|
||||
RELOC_NUMBER (R_AARCH64_TLS_DTPMOD, 1028)
|
||||
RELOC_NUMBER (R_AARCH64_TLS_DTPREL, 1029)
|
||||
RELOC_NUMBER (R_AARCH64_TLS_TPREL, 1030)
|
||||
RELOC_NUMBER (R_AARCH64_TLSDESC, 1031)
|
||||
FAKE_RELOC (R_AARCH64_dyn_max, 1032)
|
||||
RELOC_NUMBER (R_AARCH64_IRELATIVE, 1032)
|
||||
|
||||
END_RELOC_NUMBERS (R_AARCH64_end)
|
||||
|
||||
|
||||
Reference in New Issue
Block a user