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| author | Jiong Wang <jiong.wang@arm.com> | 2015-06-01 15:41:54 +0100 |
|---|---|---|
| committer | Jiong Wang <jiong.wang@arm.com> | 2015-06-01 15:41:54 +0100 |
| commit | 3d715ce4202ef799e288261d08a5438c82e7c21e (patch) | |
| tree | 204d5430a5b7e78fac9b7ed5fddf6a4c1dcbf77c /bfd | |
| parent | e0619de699ae6e86d8b93fa96a7668aef2e9636a (diff) | |
| download | gdb-3d715ce4202ef799e288261d08a5438c82e7c21e.zip gdb-3d715ce4202ef799e288261d08a5438c82e7c21e.tar.gz gdb-3d715ce4202ef799e288261d08a5438c82e7c21e.tar.bz2 | |
[AArch64] GAS support BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14
This patch add BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14 support in Gas.
The relocation modifier
===
:gotpage_lo14:symbol
2015-06-01 Jiong.Wang <jiong.wang@arm.com>
bfd/
* reloc.c (BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14): New entry.
* bfd-in2.h: Regenerate.
* libbfd.h: Regenerate.
* elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for
BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14.
gas/
* config/tc-aarch64.c (reloc_table): New relocation modifiers.
(md_apply_fix): Support BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14.
(aarch64_force_relocation): Ditto.
gas/testsuite/
* gas/aarch64/ilp32-basic.s: New testcase.
* gas/aarch64/ilp32-basic.d: Ditto.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 8 | ||||
| -rw-r--r-- | bfd/bfd-in2.h | 3 | ||||
| -rw-r--r-- | bfd/elfnn-aarch64.c | 16 | ||||
| -rw-r--r-- | bfd/libbfd.h | 1 | ||||
| -rw-r--r-- | bfd/reloc.c | 4 |
5 files changed, 32 insertions, 0 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 678f0cc..e1ce381 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,5 +1,13 @@ 2015-06-01 Jiong Wang <jiong.wang@arm.com> + * reloc.c (BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14): New entry. + * bfd-in2.h: Regenerate. + * libbfd.h: Regenerate. + * elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for + BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14. + +2015-06-01 Jiong Wang <jiong.wang@arm.com> + * elfnn-aarch64.c (elfNN_aarch64_howto_table): Set overflow type to complain_overflow_unsigned for BFD_RELOC_AARCH64_TLSLE_ADD_LO12. * elfxx-aarch64.c (_bfd_aarch64_elf_resolve_relocation): Don't use diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 804820e..09331bd 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -5737,6 +5737,9 @@ the GOT entry for this symbol. Used in conjunction with BFD_RELOC_AARCH64_ADR_GOTPAGE. Valid in ILP32 ABI only. */ BFD_RELOC_AARCH64_LD32_GOT_LO12_NC, +/* Scaled 14 bit byte offset to the page base of the global offset table. */ + BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14, + /* Scaled 15 bit byte offset to the page base of the global offset table. */ BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15, diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c index 26f20c5..3104de7 100644 --- a/bfd/elfnn-aarch64.c +++ b/bfd/elfnn-aarch64.c @@ -848,6 +848,22 @@ static reloc_howto_type elfNN_aarch64_howto_table[] = 0xffc, /* dst_mask */ FALSE), /* pcrel_offset */ + /* LD32: GOT offset to the page address of GOT table. + (G(S) - PAGE (_GLOBAL_OFFSET_TABLE_)) & 0x5ffc. */ + HOWTO32 (AARCH64_R (LD32_GOTPAGE_LO14), /* type */ + 2, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 12, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_unsigned, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + AARCH64_R_STR (LD32_GOTPAGE_LO14), /* name */ + FALSE, /* partial_inplace */ + 0x5ffc, /* src_mask */ + 0x5ffc, /* dst_mask */ + FALSE), /* pcrel_offset */ + /* LD64: GOT offset to the page address of GOT table. (G(S) - PAGE (_GLOBAL_OFFSET_TABLE_)) & 0x7ff8. */ HOWTO64 (AARCH64_R (LD64_GOTPAGE_LO15), /* type */ diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 73a5803..b2a0979 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -2733,6 +2733,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", "BFD_RELOC_AARCH64_ADR_GOT_PAGE", "BFD_RELOC_AARCH64_LD64_GOT_LO12_NC", "BFD_RELOC_AARCH64_LD32_GOT_LO12_NC", + "BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14", "BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15", "BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21", "BFD_RELOC_AARCH64_TLSGD_ADR_PREL21", diff --git a/bfd/reloc.c b/bfd/reloc.c index 4ee384f..7f2b31e 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -6762,6 +6762,10 @@ ENUMDOC the GOT entry for this symbol. Used in conjunction with BFD_RELOC_AARCH64_ADR_GOTPAGE. Valid in ILP32 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. |