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Kernel: Add /proc/modules to enumerate the currently loaded modules

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This commit is contained in:
Andreas Kling 2019-11-28 21:12:02 +01:00
parent a43b115a6c
commit 1f67894bdd
1 changed files with 19 additions and 1 deletions
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20
Kernel/FileSystem/ProcFS.cpp
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@ -13,8 +13,10 @@
#include <Kernel/FileSystem/DiskBackedFileSystem.h> #include <Kernel/FileSystem/DiskBackedFileSystem.h>
#include <Kernel/FileSystem/FileDescription.h> #include <Kernel/FileSystem/FileDescription.h>
#include <Kernel/FileSystem/VirtualFileSystem.h> #include <Kernel/FileSystem/VirtualFileSystem.h>
#include <Kernel/Heap/kmalloc.h>
#include <Kernel/KBufferBuilder.h> #include <Kernel/KBufferBuilder.h>
#include <Kernel/KParams.h> #include <Kernel/KParams.h>
#include <Kernel/Module.h>
#include <Kernel/Net/LocalSocket.h> #include <Kernel/Net/LocalSocket.h>
#include <Kernel/Net/NetworkAdapter.h> #include <Kernel/Net/NetworkAdapter.h>
#include <Kernel/Net/Routing.h> #include <Kernel/Net/Routing.h>
@ -22,7 +24,6 @@
#include <Kernel/Net/UDPSocket.h> #include <Kernel/Net/UDPSocket.h>
#include <Kernel/PCI.h> #include <Kernel/PCI.h>
#include <Kernel/VM/MemoryManager.h> #include <Kernel/VM/MemoryManager.h>
#include <Kernel/Heap/kmalloc.h>
#include <LibC/errno_numbers.h> #include <LibC/errno_numbers.h>
enum ProcParentDirectory { enum ProcParentDirectory {
@ -52,6 +53,7 @@ enum ProcFileType {
FI_Root_devices, FI_Root_devices,
FI_Root_uptime, FI_Root_uptime,
FI_Root_cmdline, FI_Root_cmdline,
FI_Root_modules,
FI_Root_self, // symlink FI_Root_self, // symlink
FI_Root_sys, // directory FI_Root_sys, // directory
FI_Root_net, // directory FI_Root_net, // directory
@ -325,6 +327,21 @@ Optional<KBuffer> procfs$cmdline(InodeIdentifier)
return builder.build(); return builder.build();
} }
Optional<KBuffer> procfs$modules(InodeIdentifier)
{
extern HashMap<String, OwnPtr<Module>>* g_modules;
KBufferBuilder builder;
JsonArraySerializer array { builder };
for (auto& it : *g_modules) {
auto obj = array.add_object();
obj.add("name", it.value->name);
obj.add("module_init", (u32)it.value->module_init);
obj.add("module_fini", (u32)it.value->module_fini);
}
array.finish();
return builder.build();
}
Optional<KBuffer> procfs$net_adapters(InodeIdentifier) Optional<KBuffer> procfs$net_adapters(InodeIdentifier)
{ {
KBufferBuilder builder; KBufferBuilder builder;
@ -1291,6 +1308,7 @@ ProcFS::ProcFS()
m_entries[FI_Root_devices] = { "devices", FI_Root_devices, procfs$devices }; m_entries[FI_Root_devices] = { "devices", FI_Root_devices, procfs$devices };
m_entries[FI_Root_uptime] = { "uptime", FI_Root_uptime, procfs$uptime }; m_entries[FI_Root_uptime] = { "uptime", FI_Root_uptime, procfs$uptime };
m_entries[FI_Root_cmdline] = { "cmdline", FI_Root_cmdline, procfs$cmdline }; m_entries[FI_Root_cmdline] = { "cmdline", FI_Root_cmdline, procfs$cmdline };
m_entries[FI_Root_modules] = { "modules", FI_Root_modules, procfs$modules };
m_entries[FI_Root_sys] = { "sys", FI_Root_sys }; m_entries[FI_Root_sys] = { "sys", FI_Root_sys };
m_entries[FI_Root_net] = { "net", FI_Root_net }; m_entries[FI_Root_net] = { "net", FI_Root_net };