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core: Properly implement TLS (#164)

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* core: Split module code from linker

* linker: Properly implement thread local storage

* kernel: Fix a few memory functions

* kernel: Implement module loading

* Now it's easy to do anyway with new module rework
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TheTurtle 2024-06-05 22:08:18 +03:00 • committed by GitHub
parent 7d61b7ab9b
commit 728249f58d
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26 changed files with 1047 additions and 823 deletions
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18
src/core/tls.h
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@ -11,8 +11,22 @@ class CodeGenerator;
namespace Core {
/// Sets the data pointer that contains the TLS image.
void SetTLSStorage(u64 image_address);
union DtvEntry {
size_t counter;
void* pointer;
};
struct Tcb {
Tcb* tcb_self;
DtvEntry* tcb_dtv;
void* tcb_thread;
};
/// Sets the data pointer to the TCB block.
void SetTcbBase(void* image_address);
/// Retrieves Tcb structure for the calling thread.
Tcb* GetTcbBase();
/// Patches any instructions that access guest TLS to use provided storage.
void PatchTLS(u64 segment_addr, u64 segment_size, Xbyak::CodeGenerator& c);