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Make /proc/PID/vm more readable.

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And move the unreadable detail-heavy mess to /proc/PID/vmo.
This commit is contained in:
Andreas Kling 2018-11-19 01:49:19 +01:00
parent 526dcafd57
commit e88f306d07
2 changed files with 49 additions and 32 deletions
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20
Kernel/ProcFileSystem.cpp
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@ -46,6 +46,25 @@ ByteBuffer procfs$pid_fds(Process& process)
}
ByteBuffer procfs$pid_vm(Process& process)
{
ProcessInspectionHandle handle(process);
char* buffer;
auto stringImpl = StringImpl::createUninitialized(80 + process.regionCount() * 160 + 4096, buffer);
memset(buffer, 0, stringImpl->length());
char* ptr = buffer;
ptr += ksprintf(ptr, "BEGIN END SIZE NAME\n");
for (auto& region : process.regions()) {
ptr += ksprintf(ptr, "%x -- %x %x %s\n",
region->linearAddress.get(),
region->linearAddress.offset(region->size - 1).get(),
region->size,
region->name.characters());
}
*ptr = '\0';
return ByteBuffer::copy((byte*)buffer, ptr - buffer);
}
ByteBuffer procfs$pid_vmo(Process& process)
{
ProcessInspectionHandle handle(process);
char* buffer;
@ -155,6 +174,7 @@ void ProcFS::addProcess(Process& process)
auto dir = addFile(create_directory(buf));
m_pid2inode.set(process.pid(), dir.index());
addFile(create_generated_file("vm", [&process] { return procfs$pid_vm(process); }), dir.index());
addFile(create_generated_file("vmo", [&process] { return procfs$pid_vmo(process); }), dir.index());
addFile(create_generated_file("stack", [&process] { return procfs$pid_stack(process); }), dir.index());
addFile(create_generated_file("regs", [&process] { return procfs$pid_regs(process); }), dir.index());
addFile(create_generated_file("fds", [&process] { return procfs$pid_fds(process); }), dir.index());