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| author | Han Shen <shenhan@chromium.org> | 2014-08-29 17:53:03 -0700 |
|---|---|---|
| committer | Han Shen <shenhan@chromium.org> | 2014-08-29 17:53:03 -0700 |
| commit | 8e33481e13facdf33c732e25d18b4b9772cc4e9c (patch) | |
| tree | c06550eb34185412f4c1b98fa785a838f06d6de6 /gold/aarch64-reloc.def | |
| parent | 6128f9cf2b2c4188145faba45596ce49dd0f08be (diff) | |
| download | gdb-8e33481e13facdf33c732e25d18b4b9772cc4e9c.zip gdb-8e33481e13facdf33c732e25d18b4b9772cc4e9c.tar.gz gdb-8e33481e13facdf33c732e25d18b4b9772cc4e9c.tar.bz2 | |
The 3rd patch for aarch64 gold.
This enables -
1. static linking hello world
2. limited support for TLSIE and TLSLE
3. limited support for linking shared library, linking executable against shared
library.
gold/ChangeLog
2014-08-29 Han Shen <shenhan@google.com>
Jing Yu <jingyu@google.com>
* aarch64-reloc-property.cc
(AArch64_reloc_property_table::reloc_name_in_error_message): Fix bug in
reference reloc property in the table.
* aarch64-reloc.def: Add TLSLE reloc types and fix some errors in
3 other entries.
* aarch64.cc: (Output_data_got_aarch64::add_static_reloc):
2 new overloaded methods.
(Output_data_got_aarch64::do_write): Add code to write out
static relocs.
(class Output_data_got_aarch64::Static_reloc): New class to wrap
static relocs.
(Output_data_got_aarch64::static_relocs): New vector to
hold static relocs.
(Target_aarch64::TCB_SIZE): New const static memeber.
(Target_aarch64::tcb_size): New method.
(Target_aarch64::Relocate::relocate): Add code handling new reloc types.
(Target_aarch64::Relocate::relocate_tls): New method.
(Target_aarch64::Scan::local): Add code handling new reloc types.
(Target_aarch64::Scan::global): Add code handling new reloc types.
Diffstat (limited to 'gold/aarch64-reloc.def')
| -rw-r--r-- | gold/aarch64-reloc.def | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/gold/aarch64-reloc.def b/gold/aarch64-reloc.def index 4f6710e..4fb1232 100644 --- a/gold/aarch64-reloc.def +++ b/gold/aarch64-reloc.def @@ -50,8 +50,8 @@ ARD(LDST128_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHEC ARD(ADD_ABS_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , ADD ) ARD(ADR_GOT_PAGE , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::RELATIVE_REF , ADRP ) ARD(LD64_GOT_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST ) -ARD(TSTBR14 , STATIC , CFLOW , N, -1, 15,15 , 2,15 , Symbol::ABSOLUTE_REF , TBZNZ ) -ARD(CONDBR19 , STATIC , CFLOW , N, -1, 20,20 , 2,20 , Symbol::ABSOLUTE_REF , CONDB ) +ARD(TSTBR14 , STATIC , CFLOW , N, -1, 15,15 , 2,15 , (Symbol::FUNCTION_CALL|Symbol::ABSOLUTE_REF) , TBZNZ ) +ARD(CONDBR19 , STATIC , CFLOW , N, -1, 20,20 , 2,20 , (Symbol::FUNCTION_CALL|Symbol::ABSOLUTE_REF) , CONDB ) ARD(CALL26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , CALL ) ARD(JUMP26 , STATIC , CFLOW , Y, -1, 27,27 , 2,27 , (Symbol::FUNCTION_CALL|Symbol::RELATIVE_REF) , B ) // Above is from Table 4-10, Relocations for control-flow instructions, @@ -60,10 +60,15 @@ ARD(JUMP26 , STATIC , CFLOW , Y, -1, 27,27 ARD(TLSIE_MOVW_GOTTPREL_G1 , STATIC , AARCH64 , N, -1, 0,0 , 16,31 , Symbol::ABSOLUTE_REF , MOVW ) ARD(TLSIE_MOVW_GOTTPREL_G0_NC , STATIC , AARCH64 , N, -1, 0,0 , 0,15 , Symbol::ABSOLUTE_REF , MOVW ) ARD(TLSIE_ADR_GOTTPREL_PAGE21 , STATIC , AARCH64 , Y, -1, 32,32 , 12,32 , Symbol::ABSOLUTE_REF , ADRP ) -ARD(TLSIE_LD64_GOTTPREL_LO12_NC , STATIC , AARCH64 , N, -1, 32,32 , 12,32 , Symbol::ABSOLUTE_REF , LDST ) +ARD(TLSIE_LD64_GOTTPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,RL_CHECK_ALIGN8 , 3,11 , Symbol::ABSOLUTE_REF , LDST ) ARD(TLSIE_LD_GOTTPREL_PREL19 , STATIC , AARCH64 , N, -1, 20,20 , 2,20 , Symbol::ABSOLUTE_REF , LD ) // Above is from Table 4-17, Initial Exec TLS relocations, 539-543. +ARD(TLSLE_ADD_TPREL_HI12 , STATIC , AARCH64 , Y, -1, 0,24 , 12,23 , Symbol::ABSOLUTE_REF , ADD ) +ARD(TLSLE_ADD_TPREL_LO12 , STATIC , AARCH64 , Y, -1, 0,12 , 0,11 , Symbol::ABSOLUTE_REF , ADD ) +ARD(TLSLE_ADD_TPREL_LO12_NC , STATIC , AARCH64 , Y, -1, 0,0 , 0,11 , Symbol::ABSOLUTE_REF , ADD ) +// Above is from Table 4-18, Local Exec TLS relocations, 544-571. + // Note - // A - Checking X, (L,U), if L == 0 && U == 0, no check. Otherwise, L!=0, // check that -2^L<=X<2^U. Also an extra alignment check could be embeded |