From ac762fbbc3d67d2af22fca157846a03fb3f1c145 Mon Sep 17 00:00:00 2001
From: Itamar <itamar8910@gmail.com>
Date: Sat, 20 Nov 2021 11:48:45 +0200
Subject: [PATCH] LibCoredump: Add Reader::for_each_library

---
 Userland/Libraries/LibCoredump/Reader.cpp | 23 +++++++++++++++++++++++
 Userland/Libraries/LibCoredump/Reader.h   |  8 ++++++++
 2 files changed, 31 insertions(+)

diff --git a/Userland/Libraries/LibCoredump/Reader.cpp b/Userland/Libraries/LibCoredump/Reader.cpp
index c5126e689a..ae3ddbaa1c 100644
--- a/Userland/Libraries/LibCoredump/Reader.cpp
+++ b/Userland/Libraries/LibCoredump/Reader.cpp
@@ -4,6 +4,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/HashTable.h>
 #include <AK/JsonObject.h>
 #include <AK/JsonValue.h>
 #include <LibCompress/Gzip.h>
@@ -292,4 +293,26 @@ const Reader::LibraryData* Reader::library_containing(FlatPtr address) const
     return lib_data;
 }
 
+void Reader::for_each_library(Function<void(LibraryInfo)> func) const
+{
+    HashTable<String> libraries;
+    for_each_memory_region_info([&](ELF::Core::MemoryRegionInfo const& region) {
+        auto name = region.object_name();
+        if (name.is_null() || libraries.contains(name))
+            return IterationDecision::Continue;
+
+        libraries.set(name);
+
+        String path;
+        if (Core::File::looks_like_shared_library(name))
+            path = String::formatted("/usr/lib/{}", name);
+        else {
+            path = name;
+        }
+
+        func(LibraryInfo { name, path, (FlatPtr)region.region_start });
+        return IterationDecision::Continue;
+    });
+}
+
 }
diff --git a/Userland/Libraries/LibCoredump/Reader.h b/Userland/Libraries/LibCoredump/Reader.h
index 9263cf13b4..911e1e4ed6 100644
--- a/Userland/Libraries/LibCoredump/Reader.h
+++ b/Userland/Libraries/LibCoredump/Reader.h
@@ -26,6 +26,14 @@ public:
     template<typename Func>
     void for_each_memory_region_info(Func func) const;
 
+    struct LibraryInfo {
+        String name;
+        String path;
+        FlatPtr base_address { 0 };
+    };
+
+    void for_each_library(Function<void(LibraryInfo)> func) const;
+
     template<typename Func>
     void for_each_thread_info(Func func) const;