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| author | Jiong Wang <jiong.wang@arm.com> | 2015-08-11 17:15:56 +0100 |
|---|---|---|
| committer | Jiong Wang <jiong.wang@arm.com> | 2015-08-11 21:25:51 +0100 |
| commit | a12fad50d28b9251893c6709ac4374773350c21a (patch) | |
| tree | e014342f5a792d5a5389656f0b2723767e68f6ae /bfd | |
| parent | 56a2e4507a4249634422fba2373b651b774c55ac (diff) | |
| download | gdb-a12fad50d28b9251893c6709ac4374773350c21a.zip gdb-a12fad50d28b9251893c6709ac4374773350c21a.tar.gz gdb-a12fad50d28b9251893c6709ac4374773350c21a.tar.bz2 | |
[AArch64][5/8] GAS support BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC
2015-08-11 Jiong Wang <jiong.wang@arm.com>
bfd/
* reloc.c (BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC): New entry.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for
BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC.
gas/
* config/tc-aarch64.c (reloc_table): New relocation modifiers.
(md_apply_fix): Support BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC.
(aarch64_force_relocation): Likewise.
gas/testsuite/
* gas/aarch64/reloc-tlsldm_lo12_nc-1.s: New testcase.
* gas/aarch64/reloc-tlsldm_lo12_nc-ilp32-1.s: Likewise.
* gas/aarch64/reloc-tlsldm_lo12_nc-1.d: New expectation file.
* gas/aarch64/reloc-tlsldm_lo12_nc-ilp32-1.d: Likewise.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 8 | ||||
| -rw-r--r-- | bfd/bfd-in2.h | 5 | ||||
| -rw-r--r-- | bfd/elfnn-aarch64.c | 15 | ||||
| -rw-r--r-- | bfd/libbfd.h | 1 | ||||
| -rw-r--r-- | bfd/reloc.c | 6 |
5 files changed, 35 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 01a29c8..6e12da3 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,13 @@ 2015-08-11 Jiong Wang <jiong.wang@arm.com> + * reloc.c (BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC): New entry. + * bfd-in2.h: Regenerate. + * libbfd.h: Regenerate. + * elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for + BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC. + +2015-08-11 Jiong Wang <jiong.wang@arm.com> + * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21. (aarch64_reloc_got_type): Likewise. diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 43e1324..350b955 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -5794,6 +5794,11 @@ BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21. */ /* AArch64 TLS INITIAL EXEC relocation. */ BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19, +/* 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. */ + BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC, + /* GOT entry page address for AArch64 TLS Local Dynamic, used with ADRP instruction. */ BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21, diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c index ff56701..12c1220 100644 --- a/bfd/elfnn-aarch64.c +++ b/bfd/elfnn-aarch64.c @@ -1026,6 +1026,21 @@ static reloc_howto_type elfNN_aarch64_howto_table[] = 0x1ffffc, /* dst_mask */ FALSE), /* pcrel_offset */ + /* ADD: GOT offset G(S) & 0xff8 [no overflow check] */ + HOWTO (AARCH64_R (TLSLD_ADD_LO12_NC), /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 12, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + AARCH64_R_STR (TLSLD_ADD_LO12_NC), /* name */ + FALSE, /* partial_inplace */ + 0xfff, /* src_mask */ + 0xfff, /* dst_mask */ + FALSE), /* pcrel_offset */ + /* Get to the page for the GOT entry for the symbol (G(S) - P) using an ADRP instruction. */ HOWTO (AARCH64_R (TLSLD_ADR_PAGE21), /* type */ diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 03e9393..d6ed8fd 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -2759,6 +2759,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", "BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC", "BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC", "BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19", + "BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC", "BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21", "BFD_RELOC_AARCH64_TLSLD_ADR_PREL21", "BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2", diff --git a/bfd/reloc.c b/bfd/reloc.c index d6252c8..df22f9b 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -6844,6 +6844,12 @@ ENUM ENUMDOC AArch64 TLS INITIAL EXEC relocation. 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 |