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ProcFS: Show region flags in /proc/PID/vm

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It's useful to be able to see the readable, writable and bitmap flags.
This commit is contained in:
Andreas Kling 2019-02-10 13:02:38 +01:00
parent 6103e374cc
commit ae4811fbae
Notes: sideshowbarker 2024-07-19 15:48:06 +09:00
1 changed files with 10 additions and 2 deletions
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12
Kernel/ProcFS.cpp
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@ -211,13 +211,21 @@ ByteBuffer procfs$pid_vm(InodeIdentifier identifier)
return { };
auto& process = handle->process();
StringBuilder builder;
builder.appendf("BEGIN END SIZE COMMIT NAME\n");
builder.appendf("BEGIN END SIZE COMMIT FLAGS NAME\n");
for (auto& region : process.regions()) {
builder.appendf("%x -- %x %x %x %s\n",
StringBuilder flags_builder;
if (region->is_readable())
flags_builder.append('R');
if (region->is_writable())
flags_builder.append('W');
if (region->is_bitmap())
flags_builder.append('B');
builder.appendf("%x -- %x %x %x % 4s %s\n",
region->laddr().get(),
region->laddr().offset(region->size() - 1).get(),
region->size(),
region->amount_resident(),
flags_builder.to_string().characters(),
region->name().characters());
}
return builder.to_byte_buffer();