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This patch adds support for TLS according to the x86 System V ABI. Each thread gets a thread-specific memory region, and the GS segment register always points _to a pointer_ to the thread-specific memory. In other words, to access thread-local variables, userspace programs start by dereferencing the pointer at [gs:0]. The Process keeps a master copy of the TLS segment that new threads should use, and when a new thread is created, they get a copy of it. It's basically whatever the PT_TLS program header in the ELF says. |
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| .. | ||
| ELFImage.cpp | ||
| ELFImage.h | ||
| ELFLoader.cpp | ||
| ELFLoader.h | ||
| exec_elf.h | ||