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Use %gs as TLS register when dlopen() is linked

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Fixes #938
This commit is contained in:
Justine Tunney 2023-11-08 01:11:17 -08:00
parent e961385e55
commit d71da7fc72
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GPG key ID: BE714B4575D6E328
13 changed files with 71 additions and 40 deletions
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6
libc/thread/tls2.internal.h
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@ -15,7 +15,11 @@ COSMOPOLITAN_C_START_
__funline struct CosmoTib *__get_tls_privileged(void) {
char *tib, *lin = (char *)0x30;
if (IsLinux() || IsFreebsd() || IsNetbsd() || IsOpenbsd() || IsMetal()) {
asm("mov\t%%fs:(%1),%0" : "=a"(tib) : "r"(lin) : "memory");
if (!__tls_morphed) {
asm("mov\t%%fs:(%1),%0" : "=a"(tib) : "r"(lin) : "memory");
} else {
asm("mov\t%%gs:(%1),%0" : "=a"(tib) : "r"(lin) : "memory");
}
} else {
asm("mov\t%%gs:(%1),%0" : "=a"(tib) : "r"(lin) : "memory");
if (IsWindows()) {