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| author | Nicolas Geoffray <nicolas.geoffray@lip6.fr> | 2008-10-25 15:41:43 +0000 |
|---|---|---|
| committer | Nicolas Geoffray <nicolas.geoffray@lip6.fr> | 2008-10-25 15:41:43 +0000 |
| commit | 46fa139e26be6ebc00be2fb45820c2560dd22a32 (patch) | |
| tree | f7c8ee9b2e72cf5f751e6bd23b2ce782a1b3e01a /lib/Target/X86/X86JITInfo.cpp | |
| parent | b74f370e437de31b53496e86f024b533ee8ec91b (diff) | |
Support for allocation of TLS variables in the JIT. Allocation of a global
variable is moved to the execution engine. The JIT calls the TargetJITInfo
to allocate thread local storage. Currently, only linux/x86 knows how to
allocate thread local global variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58142 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86JITInfo.cpp')
| -rw-r--r-- | lib/Target/X86/X86JITInfo.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/X86/X86JITInfo.cpp b/lib/Target/X86/X86JITInfo.cpp index 7b3a070327..f8761dc87e 100644 --- a/lib/Target/X86/X86JITInfo.cpp +++ b/lib/Target/X86/X86JITInfo.cpp @@ -518,3 +518,13 @@ void X86JITInfo::relocate(void *Function, MachineRelocation *MR, } } } + +char* X86JITInfo::allocateThreadLocalMemory(size_t size) { +#if defined(X86_32_JIT) && !defined(__APPLE__) && !defined(_MSC_VER) + TLSOffset -= size; + return TLSOffset; +#else + assert(0 && "Cannot allocate thread local storage on this arch!\n"); + return 0; +#endif +} |