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UserspaceEmulator+LibC: Have UE notice realloc() and update accounting

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When a mallocation is shrunk/grown without moving, UE needs to update
its precise metadata about the mallocation, since it tracks *exactly*
how many bytes were allocated, not just the malloc chunk size.
This commit is contained in:
Andreas Kling 2020-11-08 10:10:41 +01:00
parent a0e25b2d31
commit c4dd77a170
4 changed files with 41 additions and 1 deletions
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1
DevTools/UserspaceEmulator/MallocTracer.h
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@ -40,6 +40,7 @@ public:
void target_did_malloc(Badge<SoftCPU>, FlatPtr address, size_t);
void target_did_free(Badge<SoftCPU>, FlatPtr address);
void target_did_realloc(Badge<SoftCPU>, FlatPtr address, size_t);
void audit_read(FlatPtr address, size_t);
void audit_write(FlatPtr address, size_t);