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UserspaceEmulator: Support the name argument in mmap for file backed mappings

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Itamar 2020-11-27 15:45:49 +02:00 • committed by Andreas Kling
parent d2262b8f6d
commit 28cda567c1
3 changed files with 27 additions and 5 deletions
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9
DevTools/UserspaceEmulator/MmapRegion.cpp
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@ -39,11 +39,16 @@ NonnullOwnPtr<MmapRegion> MmapRegion::create_anonymous(u32 base, u32 size, u32 p
return region;
}
NonnullOwnPtr<MmapRegion> MmapRegion::create_file_backed(u32 base, u32 size, u32 prot, int flags, int fd, off_t offset)
NonnullOwnPtr<MmapRegion> MmapRegion::create_file_backed(u32 base, u32 size, u32 prot, int flags, int fd, off_t offset, String name)
{
auto region = adopt_own(*new MmapRegion(base, size, prot));
region->m_file_backed = true;
region->m_data = (u8*)mmap(nullptr, size, prot, flags, fd, offset);
if (!name.is_empty()) {
dbgln("name is not empty");
name = String::format("%s (Emulated)", name.characters());
region->m_name = name;
}
region->m_data = (u8*)mmap_with_name(nullptr, size, prot, flags, fd, offset, name.is_empty() ? nullptr : name.characters());
ASSERT(region->m_data != MAP_FAILED);
return region;
}