Peter Collingbourne 38d290a11d Implement a new mechanism to let Scudo access the TLS slot ... An upcoming change to Scudo will change how we use the TLS slot in tsd_shared.h, which will be a little easier to deal with if we can remove the code path that calls pthread_getspecific and pthread_setspecific. The only known user of this code path is Fuchsia. We can't eliminate this code path by making Fuchsia use ELF TLS because although Fuchsia supports ELF TLS, it is not supported within libc itself. To address this, Roland McGrath on the Fuchsia team has proposed that Scudo will optionally call a platform-provided function to access a TLS slot reserved for Scudo. Android also has a reserved TLS slot, but the code that accesses the TLS slot lives in Scudo. We can eliminate some complexity and duplicated code by having Android implement the same mechanism that was proposed for Fuchsia, which is what this change does. A separate change to Scudo will make use of it. Bug: 163630045 Change-Id: I4678105c9c47a23feb5a5e80a314416de4556d9c		2020-09-10 13:55:24 -07:00
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bionic	Merge "Define mte_supported() on non-aarch64."	2020-05-21 20:49:11 +00:00
scudo_platform_tls_slot.h	Implement a new mechanism to let Scudo access the TLS slot	2020-09-10 13:55:24 -07:00