mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-26 01:20:25 +00:00
2df6c70b07
While I think negative memory might be an interesting concept to investigate I don't think we're quite ready for it yet: 7ca71000 8192 r-xs- libcrypt.so: .text 7ca73000 4096 r---- libcrypt.so: .relro 7ca74000 4096 rw--- libcrypt.so: .data -6d391000 45056 r-xs- libttf.so: .text -6d385000 4096 r---- libttf.so: .relro -6d384000 4096 rw--- libttf.so: .data
98 lines
3 KiB
C++
98 lines
3 KiB
C++
/*
|
|
* Copyright (c) 2020, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Assertions.h>
|
|
#include <AK/JsonObject.h>
|
|
#include <AK/QuickSort.h>
|
|
#include <AK/String.h>
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <LibCore/File.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
|
|
int main(int argc, char** argv)
|
|
{
|
|
if (pledge("stdio rpath", nullptr) < 0) {
|
|
perror("pledge");
|
|
return 1;
|
|
}
|
|
|
|
if (unveil("/proc", "r") < 0) {
|
|
perror("unveil");
|
|
return 1;
|
|
}
|
|
|
|
unveil(nullptr, nullptr);
|
|
|
|
const char* pid;
|
|
static bool extended = false;
|
|
|
|
Core::ArgsParser args_parser;
|
|
args_parser.add_option(extended, "Extended output", nullptr, 'x');
|
|
args_parser.add_positional_argument(pid, "PID", "PID", Core::ArgsParser::Required::Yes);
|
|
args_parser.parse(argc, argv);
|
|
|
|
auto file = Core::File::construct(String::formatted("/proc/{}/vm", pid));
|
|
if (!file->open(Core::OpenMode::ReadOnly)) {
|
|
warnln("Failed to open {}: {}", file->name(), file->error_string());
|
|
return 1;
|
|
}
|
|
|
|
outln("{}:", pid);
|
|
|
|
if (extended) {
|
|
outln("Address Size Resident Dirty Access VMObject Type Purgeable CoW Pages Name");
|
|
} else {
|
|
outln("Address Size Access Name");
|
|
}
|
|
|
|
auto file_contents = file->read_all();
|
|
auto json = JsonValue::from_string(file_contents);
|
|
VERIFY(json.has_value());
|
|
|
|
Vector<JsonValue> sorted_regions = json.value().as_array().values();
|
|
quick_sort(sorted_regions, [](auto& a, auto& b) {
|
|
return a.as_object().get("address").to_u32() < b.as_object().get("address").to_u32();
|
|
});
|
|
|
|
for (auto& value : sorted_regions) {
|
|
auto& map = value.as_object();
|
|
auto address = map.get("address").to_uint();
|
|
auto size = map.get("size").to_string();
|
|
|
|
auto access = String::formatted("{}{}{}{}{}",
|
|
(map.get("readable").to_bool() ? "r" : "-"),
|
|
(map.get("writable").to_bool() ? "w" : "-"),
|
|
(map.get("executable").to_bool() ? "x" : "-"),
|
|
(map.get("shared").to_bool() ? "s" : "-"),
|
|
(map.get("syscall").to_bool() ? "c" : "-"));
|
|
|
|
out("{:08x} ", address);
|
|
out("{:>10} ", size);
|
|
if (extended) {
|
|
auto resident = map.get("amount_resident").to_string();
|
|
auto dirty = map.get("amount_dirty").to_string();
|
|
auto vmobject = map.get("vmobject").to_string();
|
|
if (vmobject.ends_with("VMObject"))
|
|
vmobject = vmobject.substring(0, vmobject.length() - 8);
|
|
auto purgeable = map.get("purgeable").to_string();
|
|
auto cow_pages = map.get("cow_pages").to_string();
|
|
out("{:>10} ", resident);
|
|
out("{:>10} ", dirty);
|
|
out("{:6} ", access);
|
|
out("{:14} ", vmobject);
|
|
out("{:10} ", purgeable);
|
|
out("{:>10} ", cow_pages);
|
|
} else {
|
|
out("{:6} ", access);
|
|
}
|
|
auto name = map.get("name").to_string();
|
|
out("{:20}", name);
|
|
outln();
|
|
}
|
|
|
|
return 0;
|
|
}
|