cosmopolitan/libc/nt/struct/teb.h
Justine Tunney 2ab9e9f7fd
Make improvements
- Introduce portable sched_getcpu() api
- Support GCC's __target_clones__ feature
- Make fma() go faster on x86 in default mode
- Remove some asan checks from core libraries
- WinMain() now ensures $HOME and $USER are defined
2024-02-12 10:23:00 -08:00

26 lines
1.2 KiB
C

#ifndef COSMOPOLITAN_LIBC_NT_TEB_H_
#define COSMOPOLITAN_LIBC_NT_TEB_H_
#include "libc/nt/struct/peb.h"
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
/*
* These macros address directly into NT's TEB a.k.a. TIB
* Any function that does this needs the `dontasan` keyword
*/
#define NtGetPeb() ((__seg_gs struct NtPeb *)0x60)
#define NtGetTeb() ((void *)*(__seg_gs uintptr_t *)0x30)
#define NtGetPid() (*(__seg_gs uint32_t *)0x40)
#define NtGetTid() (*(__seg_gs uint32_t *)0x48)
#define NtGetErr() (*(__seg_gs int *)0x68)
#define _NtGetSeh() ((void *)*(__seg_gs uintptr_t *)0x00)
#define _NtGetStackHigh() ((void *)*(__seg_gs uintptr_t *)0x08)
#define _NtGetStackLow() ((void *)*(__seg_gs uintptr_t *)0x10)
#define _NtGetSubsystemTib() ((void *)*(__seg_gs uintptr_t *)0x18)
#define _NtGetFib() ((void *)*(__seg_gs uintptr_t *)0x20)
#define _NtGetEnv() ((char16_t *)*(__seg_gs intptr_t *)0x38)
#define _NtGetRpc() ((void *)*(__seg_gs uintptr_t *)0x50)
#define _NtGetTls() ((void *)*(__seg_gs uintptr_t *)0x58)
#endif /* __GNUC__ && !__STRICT_ANSI__ */
#endif /* COSMOPOLITAN_LIBC_NT_TEB_H_ */