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Speed up testing for multiple functions at an address on Posix

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The way this was originally written blows up on large enough targets
(like...Chromium :/). This change adds a set for amortized constant
time lookup of whether a FUNC already exists at a given address.

Bug: google-breakpad:751
Change-Id: I10a322da70f769c106e1e5f5b2dc3dc3f79444fd
Reviewed-on: https://chromium-review.googlesource.com/c/breakpad/breakpad/+/4031580
Reviewed-by: Mark Mentovai <mark@chromium.org>
This commit is contained in:
Leonard Grey 2022-11-17 11:37:26 -05:00
parent 442456a68c
commit 522bd2337a
2 changed files with 15 additions and 17 deletions
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2
src/common/module.h
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@ -472,6 +472,8 @@ class Module {
// point to.
FileByNameMap files_; // This module's source files.
FunctionSet functions_; // This module's functions.
// Used to quickly look up whether a function exists at a particular address.
unordered_set<Address> function_addresses_;
// The module owns all the call frame info entries that have been
// added to it.