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Remove some legacy cruft

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Function trace logs will report stack usage accurately. It won't include
the argv/environ block. Our clone() polyfill is now simpler and does not
use as much stack memory. Function call tracing on x86 is now faster too
This commit is contained in:
Justine Tunney 2025-01-02 18:44:07 -08:00
parent 8db646f6b2
commit a15958edc6
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GPG key ID: BE714B4575D6E328
21 changed files with 291 additions and 467 deletions
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6
libc/intrin/ulock.c
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@ -79,7 +79,11 @@ int ulock_wait(uint32_t operation, void *addr, uint64_t value,
// it could also mean another thread calling ulock on this address was
// configured (via operation) in an inconsistent way.
//
int ulock_wake(uint32_t operation, void *addr, uint64_t wake_value) {
// should be dontinstrument because SiliconThreadMain() calls this from
// a stack managed by apple libc.
//
dontinstrument int ulock_wake(uint32_t operation, void *addr,
uint64_t wake_value) {
int rc;
rc = __syscall3i(operation, (long)addr, wake_value, 0x2000000 | 516);
LOCKTRACE("ulock_wake(%#x, %p, %lx) → %s", operation, addr, wake_value,