RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-25 06:17:35 +00:00
Code Issues Activity Actions

UserspaceEmulator: Mark mmap regions as malloc blocks when mallocing

Browse source 
We don't have to be clever at all to figure out which MmapRegions are
malloc blocks, we can just mark the containing region as such when
the emulated process performs a malloc! :^)
This commit is contained in:
Andreas Kling 2020-08-01 09:13:45 +02:00
parent 5de7bae383
commit 030edbd513
3 changed files with 7 additions and 8 deletions
Download patch file Download diff file Expand all files Collapse all files

4
DevTools/UserspaceEmulator/MmapRegion.h
View file

@ -52,7 +52,8 @@ public:
bool is_writable() const { return m_prot & PROT_WRITE; }
bool is_executable() const { return m_prot & PROT_EXEC; }
bool is_malloc_block() const;
bool is_malloc_block() const { return m_malloc; }
void set_malloc(bool b) { m_malloc = b; }
private:
MmapRegion(u32 base, u32 size, int prot);
@ -62,6 +63,7 @@ private:
u8* m_shadow_data { nullptr };
int m_prot { 0 };
bool m_file_backed { false };
bool m_malloc { false };
};
}