tree fb08f0d372b2f662e0d1448ccc405a1e82a63a66
parent 0ce34080eabd6742d72000e2299657ba6ef19185
author Enna1 <xumingjie.enna1@bytedance.com> 1685154448 +0800
committer Copybara-Service <copybara-worker@google.com> 1685154637 -0700

[hwasan] support hwasan-match-all-tag flag for callback memory access instrumentation

Currently, hwasan-match-all-tag flag is supported in inline memory access instrumentation and outline memory access instrumentation, but not supported in callback memory access instrumentation.

- For inline memory access instrumentation: a hwasan-match-all-tag check is added following the tag-mismtach check, if tag from pointer is mismatched with tag from shadow memory and tag from pointer is not equal with hwasan-match-all-tag, then a tag-mismatch will be report.
- For outline memory acess instrumentation: MatchAllTag is encoded in AccessInfo, when emit HWASAN memaccess symbols, asm-printer emits assembly instructions to check if tag from pointer is equal with hwasan-match-all-tag.
- For callback memory access instrumentation: hwasan-match-all-tag check is not implemented in `__hwasan_load`/`__hwasan_store`.

This patch implements a set of callback functions: `__hwasan_[load|store][1|2|4|8|16|n]_match_all` and `__hwasan_load[load|store][1|2|4|8|16|n]_match_all_noabort`, making hwasan-match-all-tag flag working for callback memory access instrumentation.

Reviewed By: vitalybuka

Differential Revision: https://reviews.llvm.org/D149580

GitOrigin-RevId: b33dcc5b1eda6a564138b0e86f726abf269fb561