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Linker and Libraries Guide |
1. Introduction to the Oracle Solaris Link Editors
5. Application Binary Interfaces and Versioning
Runtime Allocation of Thread-Local Storage
Deferred Allocation of Thread-Local Storage Blocks
Thread-Local Storage Access Models
SPARC: Thread-Local Variable Access
32-bit SPARC: Initial Executable (IE)
64-bit SPARC: Initial Executable (IE)
SPARC: Thread-Local Storage Relocation Types
32-bit x86: Thread-Local Variable Access
32-bit x86: General Dynamic (GD)
32-bit x86: Initial Executable (IE)
32-bit x86: Local Executable (LE)
32-bit x86: Thread-Local Storage Relocation Types
x64: Thread-Local Variable Access
x64: Thread-Local Storage Relocation Types
A. Link-Editor Quick Reference
C. Establishing Dependencies with Dynamic String Tokens
E. System V Release 4 (Version 1) Mapfiles
The compilation environment supports the declaration of thread-local data. This data is sometimes referred to as thread-specific, or thread-private data, but more typically by the acronym TLS. By declaring variables to be thread-local, the compiler automatically arranges for these variables to be allocated on a per-thread basis.
The built-in support for this feature serves three purposes.
A foundation is provided upon which the POSIX interfaces for allocating thread specific data are built.
A convenient, and efficient mechanism for direct use of thread local variables by applications and libraries is provided.
Compilers can allocate TLS as necessary when performing loop-parallelizing optimizations.
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