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UserspaceEmulator: Enable splitting regions at arbitrary points

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This is not yet useful in and of itself, but enables the feature in the next commit.
This commit is contained in:
Ben Wiederhake 2021-03-07 22:37:38 +01:00 • committed by Andreas Kling
parent 7cc8f20a30
commit 45443f24ec
7 changed files with 66 additions and 2 deletions
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6
Userland/DevTools/UserspaceEmulator/MmapRegion.h
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@ -56,6 +56,12 @@ public:
bool is_malloc_block() const { return m_malloc; }
void set_malloc(bool b) { m_malloc = b; }
NonnullOwnPtr<MmapRegion> split_at(VirtualAddress);
int prot() const
{
return (is_readable() ? PROT_READ : 0) | (is_writable() ? PROT_WRITE : 0) | (is_executable() ? PROT_EXEC : 0);
}
void set_prot(int prot);
MallocRegionMetadata* malloc_metadata() { return m_malloc_metadata; }