diff options
| author | Hans Wennborg <hans@hanshq.net> | 2012-06-01 16:27:21 +0000 |
|---|---|---|
| committer | Hans Wennborg <hans@hanshq.net> | 2012-06-01 16:27:21 +0000 |
| commit | f0234fcbc9be9798c10dedc3e3c134b7afbc6511 (patch) | |
| tree | 58aa8ee7a2be4159fbbbfe5085f56ea7eee31b1e /lib/Target/X86/MCTargetDesc | |
| parent | 6bb5c0074dc4cede2ad8efd420ec91288f91b012 (diff) | |
Implement the local-dynamic TLS model for x86 (PR3985)
This implements codegen support for accesses to thread-local variables
using the local-dynamic model, and adds a clean-up pass so that the base
address for the TLS block can be re-used between local-dynamic access on
an execution path.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157818 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/MCTargetDesc')
| -rw-r--r-- | lib/Target/X86/MCTargetDesc/X86BaseInfo.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/lib/Target/X86/MCTargetDesc/X86BaseInfo.h b/lib/Target/X86/MCTargetDesc/X86BaseInfo.h index 0c7f14d01c..f1712402d6 100644 --- a/lib/Target/X86/MCTargetDesc/X86BaseInfo.h +++ b/lib/Target/X86/MCTargetDesc/X86BaseInfo.h @@ -100,6 +100,26 @@ namespace X86II { /// SYMBOL_LABEL @TLSGD MO_TLSGD, + /// MO_TLSLD - On a symbol operand this indicates that the immediate is + /// the offset of the GOT entry with the TLS index for the module that + /// contains the symbol. When this index is passed to a call to to + /// __tls_get_addr, the function will return the base address of the TLS + /// block for the symbol. + /// + /// See 'ELF Handling for Thread-Local Storage' for more details. + /// SYMBOL_LABEL @TLSLD + MO_TLSLD, + + /// MO_TLSLDM - On a symbol operand this indicates that the immediate is + /// the offset of the GOT entry with the TLS index for the module that + /// contains the symbol. When this index is passed to a call to to + /// ___tls_get_addr, the function will return the base address of the TLS + /// block for the symbol. + /// + /// See 'ELF Handling for Thread-Local Storage' for more details. + /// SYMBOL_LABEL @TLSLDM + MO_TLSLDM, + /// MO_GOTTPOFF - On a symbol operand this indicates that the immediate is /// some TLS offset. /// @@ -121,6 +141,13 @@ namespace X86II { /// SYMBOL_LABEL @TPOFF MO_TPOFF, + /// MO_DTPOFF - On a symbol operand this indicates that the immediate is + /// the offset of the GOT entry with the TLS offset of the symbol. + /// + /// See 'ELF Handling for Thread-Local Storage' for more details. + /// SYMBOL_LABEL @DTPOFF + MO_DTPOFF, + /// MO_NTPOFF - On a symbol operand this indicates that the immediate is /// some TLS offset. /// |