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Merge pull request #1899 from lioncash/state

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vm_manager/svc: Modify MemoryState enum, and correct error handling for svcQueryMemory
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bunnei 2018-12-14 15:30:02 -05:00 • committed by GitHub
commit 1a23970d17
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7 changed files with 187 additions and 83 deletions
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50
src/core/hle/kernel/svc.cpp
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@ -35,6 +35,7 @@
#include "core/hle/lock.h"
#include "core/hle/result.h"
#include "core/hle/service/service.h"
#include "core/memory.h"
namespace Kernel {
namespace {
@ -273,7 +274,7 @@ static ResultCode MapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
return result;
}
return current_process->MirrorMemory(dst_addr, src_addr, size);
return current_process->MirrorMemory(dst_addr, src_addr, size, MemoryState::Stack);
}
/// Unmaps a region that was previously mapped with svcMapMemory
@ -1066,10 +1067,9 @@ static ResultCode UnmapSharedMemory(Handle shared_memory_handle, VAddr addr, u64
return shared_memory->Unmap(*current_process, addr);
}
/// Query process memory
static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_info*/,
Handle process_handle, u64 addr) {
LOG_TRACE(Kernel_SVC, "called process=0x{:08X} addr={:X}", process_handle, addr);
static ResultCode QueryProcessMemory(VAddr memory_info_address, VAddr page_info_address,
Handle process_handle, VAddr address) {
LOG_TRACE(Kernel_SVC, "called process=0x{:08X} address={:X}", process_handle, address);
const auto& handle_table = Core::CurrentProcess()->GetHandleTable();
SharedPtr<Process> process = handle_table.Get<Process>(process_handle);
if (!process) {
@ -1079,28 +1079,32 @@ static ResultCode QueryProcessMemory(MemoryInfo* memory_info, PageInfo* /*page_i
}
const auto& vm_manager = process->VMManager();
const auto vma = vm_manager.FindVMA(addr);
const MemoryInfo memory_info = vm_manager.QueryMemory(address);
memory_info->attributes = 0;
if (vm_manager.IsValidHandle(vma)) {
memory_info->base_address = vma->second.base;
memory_info->permission = static_cast<u32>(vma->second.permissions);
memory_info->size = vma->second.size;
memory_info->type = static_cast<u32>(vma->second.meminfo_state);
} else {
memory_info->base_address = 0;
memory_info->permission = static_cast<u32>(VMAPermission::None);
memory_info->size = 0;
memory_info->type = static_cast<u32>(MemoryState::Unmapped);
}
Memory::Write64(memory_info_address, memory_info.base_address);
Memory::Write64(memory_info_address + 8, memory_info.size);
Memory::Write32(memory_info_address + 16, memory_info.state);
Memory::Write32(memory_info_address + 20, memory_info.attributes);
Memory::Write32(memory_info_address + 24, memory_info.permission);
Memory::Write32(memory_info_address + 32, memory_info.ipc_ref_count);
Memory::Write32(memory_info_address + 28, memory_info.device_ref_count);
Memory::Write32(memory_info_address + 36, 0);
// Page info appears to be currently unused by the kernel and is always set to zero.
Memory::Write32(page_info_address, 0);
return RESULT_SUCCESS;
}
/// Query memory
static ResultCode QueryMemory(MemoryInfo* memory_info, PageInfo* page_info, VAddr addr) {
LOG_TRACE(Kernel_SVC, "called, addr={:X}", addr);
return QueryProcessMemory(memory_info, page_info, CurrentProcess, addr);
static ResultCode QueryMemory(VAddr memory_info_address, VAddr page_info_address,
VAddr query_address) {
LOG_TRACE(Kernel_SVC,
"called, memory_info_address=0x{:016X}, page_info_address=0x{:016X}, "
"query_address=0x{:016X}",
memory_info_address, page_info_address, query_address);
return QueryProcessMemory(memory_info_address, page_info_address, CurrentProcess,
query_address);
}
/// Exits the current process
@ -1907,7 +1911,7 @@ static const FunctionDef SVC_Table[] = {
{0x73, nullptr, "SetProcessMemoryPermission"},
{0x74, nullptr, "MapProcessMemory"},
{0x75, nullptr, "UnmapProcessMemory"},
{0x76, nullptr, "QueryProcessMemory"},
{0x76, SvcWrap<QueryProcessMemory>, "QueryProcessMemory"},
{0x77, nullptr, "MapProcessCodeMemory"},
{0x78, nullptr, "UnmapProcessCodeMemory"},
{0x79, nullptr, "CreateProcess"},