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llvm-svn: 353323
This commit is contained in:
Rui Ueyama 2019-02-06 18:53:17 +00:00
parent 169f64238f
commit 7c77044a38
1 changed files with 14 additions and 1 deletions
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15
lld/ELF/Config.h
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@ -81,7 +81,6 @@ struct VersionDefinition {
// and such fields have the same name as the corresponding options.
// Most fields are initialized by the driver.
struct Configuration {
std::atomic<bool> HasStaticTlsModel{false};
uint8_t OSABI = 0;
llvm::CachePruningPolicy ThinLTOCachePolicy;
llvm::StringMap<uint64_t> SectionStartMap;
@ -255,6 +254,20 @@ struct Configuration {
// if that's true.)
bool IsMips64EL;
// True if we need to set the DF_STATIC_TLS flag to an output file,
// which works as a hint to the dynamic loader that the file contains
// code compiled with the static TLS model. The thread-local variable
// compiled with the static TLS model is faster but less flexible, and
// it may not be loaded using dlopen().
//
// We set this flag to true when we see a relocation for the static TLS
// model. Once this becomes true, it will never become false.
//
// Since the flag is updated by multi-threaded code, we use std::atomic.
// (Writing to a variable is not considered thread-safe even if the
// varaible is boolean and we always set the same value from all threads.)
std::atomic<bool> HasStaticTlsModel{false};
// Holds set of ELF header flags for the target.
uint32_t EFlags = 0;