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Make _Thread_local work across platforms

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We now rewrite the binary image at runtime on Windows and XNU to change
mov %fs:0,%reg instructions to use %gs instead. There's also simpler
threading API introduced by this change and it's called _spawn() and
_join(), which has replaced most clone() usage.
This commit is contained in:
Justine Tunney 2022-07-10 04:01:17 -07:00
parent e4d6e263d4
commit 5f4f6b0e69
51 changed files with 808 additions and 1043 deletions
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2
test/libc/runtime/mprotect_test.c
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@ -119,7 +119,7 @@ TEST(mprotect, testSegfault_writeToReadOnlyAnonymous) {
}
TEST(mprotect, testExecOnly_canExecute) {
char *p = mapanon(FRAMESIZE);
char *p = _mapanon(FRAMESIZE);
void (*f)(void) = (void *)p;
p[0] = 0xC3; // RET
ASSERT_SYS(0, 0, mprotect(p, FRAMESIZE, PROT_EXEC | PROT_READ));