From 3e8286c0d2f6f94fcbc38a2233d85b90ca4040c0 Mon Sep 17 00:00:00 2001 From: Renlin Li Date: Fri, 2 Oct 2015 16:28:49 +0100 Subject: [PATCH] [GAS][AARCH64]Add BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC support. bfd/ 2015-10-02 Renlin Li * reloc.c (BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC): New entry. * elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC. * libbfd.h: Regenerate. * bfd-in2.h: Likewise gas/ 2015-10-02 Renlin Li * config/tc-aarch64.c (reloc_table): New relocation modifier tlsgd_g0_nc. (process_movw_reloc_info): Support BFD_RELOC_AARCH64_TLSGD_MOVW_G1. (md_apply_fix): Likewise. (aarch64_force_relocation): Likewise. gas/testsuite/ 2015-10-02 Renlin Li * gas/aarch64/reloc-tlsgd_g0_nc.d: New. * gas/aarch64/reloc-tlsgd_g0_nc.s: New. --- bfd/ChangeLog | 8 ++++++++ bfd/bfd-in2.h | 3 +++ bfd/elfnn-aarch64.c | 16 ++++++++++++++++ bfd/libbfd.h | 1 + bfd/reloc.c | 4 ++++ gas/ChangeLog | 7 +++++++ gas/config/tc-aarch64.c | 12 ++++++++++++ gas/testsuite/ChangeLog | 5 +++++ gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.d | 9 +++++++++ gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.s | 4 ++++ 10 files changed, 69 insertions(+) create mode 100644 gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.d create mode 100644 gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.s diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 6fabefa1886..1b56c3d74c7 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,11 @@ +2015-10-02 Renlin Li + + * reloc.c (BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC): New entry. + * elfnn-aarch64.c (elfNN_aarch64_howto_table): New entry for + BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC. + * libbfd.h: Regenerate. + * bfd-in2.h: Likewise + 2015-10-02 Renlin Li * elfnn-aarch64.c (aarch64_reloc_got_type): Add diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h index 39c1af2a89b..036bbbbbf99 100644 --- a/bfd/bfd-in2.h +++ b/bfd/bfd-in2.h @@ -5786,6 +5786,9 @@ tls_index structure. Used in conjunction with BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21. */ BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC, +/* AArch64 TLS General Dynamic relocation. */ + BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC, + /* AArch64 TLS General Dynamic relocation. */ BFD_RELOC_AARCH64_TLSGD_MOVW_G1, diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c index 7977588295c..519aa51be58 100644 --- a/bfd/elfnn-aarch64.c +++ b/bfd/elfnn-aarch64.c @@ -168,6 +168,7 @@ ((R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC \ || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21 \ || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADR_PREL21 \ + || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC \ || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_MOVW_G1 \ || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 \ || (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC \ @@ -1007,6 +1008,21 @@ static reloc_howto_type elfNN_aarch64_howto_table[] = 0xfff, /* dst_mask */ FALSE), /* pcrel_offset */ + /* Lower 16 bits of GOT offset to tls_index. */ + HOWTO64 (AARCH64_R (TLSGD_MOVW_G0_NC), /* type */ + 0, /* rightshift */ + 2, /* size (0 = byte, 1 = short, 2 = long) */ + 16, /* bitsize */ + FALSE, /* pc_relative */ + 0, /* bitpos */ + complain_overflow_dont, /* complain_on_overflow */ + bfd_elf_generic_reloc, /* special_function */ + AARCH64_R_STR (TLSGD_MOVW_G0_NC), /* name */ + FALSE, /* partial_inplace */ + 0xffff, /* src_mask */ + 0xffff, /* dst_mask */ + FALSE), /* pcrel_offset */ + /* Higher 16 bits of GOT offset to tls_index. */ HOWTO64 (AARCH64_R (TLSGD_MOVW_G1), /* type */ 16, /* rightshift */ diff --git a/bfd/libbfd.h b/bfd/libbfd.h index 93bdc5d5e14..3d3d586c12d 100644 --- a/bfd/libbfd.h +++ b/bfd/libbfd.h @@ -2755,6 +2755,7 @@ static const char *const bfd_reloc_code_real_names[] = { "@@uninitialized@@", "BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21", "BFD_RELOC_AARCH64_TLSGD_ADR_PREL21", "BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC", + "BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC", "BFD_RELOC_AARCH64_TLSGD_MOVW_G1", "BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1", "BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC", diff --git a/bfd/reloc.c b/bfd/reloc.c index b32a2e26b2a..a08019169d9 100644 --- a/bfd/reloc.c +++ b/bfd/reloc.c @@ -6829,6 +6829,10 @@ 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. +ENUM + BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC +ENUMDOC + AArch64 TLS General Dynamic relocation. ENUM BFD_RELOC_AARCH64_TLSGD_MOVW_G1 ENUMDOC diff --git a/gas/ChangeLog b/gas/ChangeLog index 8d0908f6604..5fc9cae3cc8 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,10 @@ +2015-10-02 Renlin Li + + * config/tc-aarch64.c (reloc_table): New relocation modifier tlsgd_g0_nc. + (process_movw_reloc_info): Support BFD_RELOC_AARCH64_TLSGD_MOVW_G1. + (md_apply_fix): Likewise. + (aarch64_force_relocation): Likewise. + 2015-10-02 Renlin Li * config/tc-aarch64.c (reloc_table): New relocation modifier tlsgd_g1. diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c index 5716ef07eb4..a13ba55c1ae 100644 --- a/gas/config/tc-aarch64.c +++ b/gas/config/tc-aarch64.c @@ -2500,6 +2500,15 @@ static struct reloc_table_entry reloc_table[] = { 0, 0}, + /* Lower 16 bits address/value: MOVk. */ + {"tlsgd_g0_nc", 0, + 0, /* adr_type */ + 0, + BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC, + 0, + 0, + 0}, + /* Most significant bits 16-31 of address/value: MOVZ. */ {"tlsgd_g1", 0, 0, /* adr_type */ @@ -4696,6 +4705,7 @@ process_movw_reloc_info (void) case BFD_RELOC_AARCH64_MOVW_G0_NC: case BFD_RELOC_AARCH64_MOVW_G0_S: case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC: + case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC: case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0: case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC: case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0: @@ -6926,6 +6936,7 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg) case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC: case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21: case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21: + case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC: case BFD_RELOC_AARCH64_TLSGD_MOVW_G1: case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21: case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC: @@ -7155,6 +7166,7 @@ aarch64_force_relocation (struct fix *fixp) case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC: case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21: case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21: + case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC: case BFD_RELOC_AARCH64_TLSGD_MOVW_G1: case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21: case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC: diff --git a/gas/testsuite/ChangeLog b/gas/testsuite/ChangeLog index cf9e0dab893..cbc37a86ebd 100644 --- a/gas/testsuite/ChangeLog +++ b/gas/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2015-10-02 Renlin Li + + * gas/aarch64/reloc-tlsgd_g0_nc.d: New. + * gas/aarch64/reloc-tlsgd_g0_nc.s: New. + 2015-10-02 Renlin Li * gas/aarch64/reloc-tlsgd_g1.s: New. diff --git a/gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.d b/gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.d new file mode 100644 index 00000000000..157c5fd09bd --- /dev/null +++ b/gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.d @@ -0,0 +1,9 @@ +#objdump: -dr + +.*: file format .* + +Disassembly of section \.text: + +0000000000000000 <.*>: + 0: f280001c movk x28, #0x0 + 0: R_AARCH64_TLSGD_MOVW_G0_NC var diff --git a/gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.s b/gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.s new file mode 100644 index 00000000000..bb253fa1a57 --- /dev/null +++ b/gas/testsuite/gas/aarch64/reloc-tlsgd_g0_nc.s @@ -0,0 +1,4 @@ +func: + + // R_AARCH64_TLSGD_MOVW_G0_NC var + movk x28, #:tlsgd_g0_nc:var -- 2.30.2