RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 07:27:45 +00:00
Code Issues Activity Actions

Kernel: Move process coredump metadata modification to the prctl syscall

Browse source
This commit is contained in:
Liav A 2023-03-01 21:28:51 +02:00 • committed by Andreas Kling
parent 822164a686
commit be1d7c325a
8 changed files with 17 additions and 38 deletions
Download patch file Download diff file Expand all files Collapse all files

18
Userland/DevTools/UserspaceEmulator/Emulator_syscalls.cpp
View file

@ -208,8 +208,6 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
return virt$sendfd(arg1, arg2);
case SC_sendmsg:
return virt$sendmsg(arg1, arg2, arg3);
case SC_set_coredump_metadata:
return virt$set_coredump_metadata(arg1);
case SC_set_mmap_name:
return virt$set_mmap_name(arg1);
case SC_set_process_name:
@ -397,22 +395,6 @@ int Emulator::virt$rename(FlatPtr params_addr)
return syscall(SC_rename, &params);
}
int Emulator::virt$set_coredump_metadata(FlatPtr params_addr)
{
Syscall::SC_set_coredump_metadata_params params;
mmu().copy_from_vm(&params, params_addr, sizeof(params));
auto key = mmu().copy_buffer_from_vm((FlatPtr)params.key.characters, params.key.length);
params.key.characters = (char const*)key.data();
params.key.length = key.size();
auto value = mmu().copy_buffer_from_vm((FlatPtr)params.value.characters, params.value.length);
params.value.characters = (char const*)value.data();
params.value.length = value.size();
return syscall(SC_set_coredump_metadata, &params);
}
int Emulator::virt$dbgputstr(FlatPtr characters, int length)
{
auto buffer = mmu().copy_buffer_from_vm(characters, length);