mirror of
https://github.com/jart/cosmopolitan.git
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8cdec62f5b
- Finish cleaning up the stdio unlocked APIs - Make __cxa_finalize() properly thread safe - Don't log locks if threads aren't being used - Add some more mutex guards to places using _mmi - Specific lock names now appear in the --ftrace logs - Fix mkdeps.com generating invalid Makefiles sometimes - Simplify and fix bugs in the test runner infrastructure - Fix issue where sometimes some functions wouldn't be logged
27 lines
869 B
C
27 lines
869 B
C
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_GETTLS_H_
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#define COSMOPOLITAN_LIBC_NEXGEN32E_GETTLS_H_
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#include "libc/dce.h"
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#include "libc/nexgen32e/threaded.h"
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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char *__get_tls(void) libcesque nosideeffect;
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#if defined(__GNUC__) && defined(__x86_64__) && !defined(__STRICT_ANSI__)
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static noasan inline char *__get_tls_inline(void) {
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char *tib, *lin = (char *)0x30;
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if (IsLinux() || IsFreebsd() || IsNetbsd() || IsOpenbsd()) {
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asm("mov\t%%fs:(%1),%0" : "=a"(tib) : "r"(lin) : "memory");
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} else {
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asm("mov\t%%gs:(%1),%0" : "=a"(tib) : "r"(lin) : "memory");
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if (IsWindows()) {
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tib = *(char **)(tib + 0x1480 + __tls_index * 8);
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}
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}
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return tib;
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}
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#endif /* GNU x86-64 */
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_GETTLS_H_ */
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