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Code Issues Releases Wiki Activity

Kernel/SharedMemory: Log an error when Map fails.

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This commit is contained in:
Subv
2016-04-19 11:59:44 -05:00
parent 0fb6d2a247
commit 5679d066b5
1 changed files with 10 additions and 1 deletions
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11
src/core/hle/kernel/shared_memory.cpp
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@@ -77,17 +77,23 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
// Error out if the requested permissions don't match what the creator process allows.
if (static_cast<u32>(permissions) & ~static_cast<u32>(own_other_permissions)) {
LOG_ERROR(Kernel, "cannot map id=%u, address=0x%08X name=%s, permissions don't match",
GetObjectId(), address, name.c_str());
return ResultCode(ErrorDescription::InvalidCombination, ErrorModule::OS, ErrorSummary::InvalidArgument, ErrorLevel::Usage);
}
// Heap-backed memory blocks can not be mapped with other_permissions = DontCare
if (base_address != 0 && other_permissions == MemoryPermission::DontCare) {
LOG_ERROR(Kernel, "cannot map id=%u, address=0x%08X name=%s, permissions don't match",
GetObjectId(), address, name.c_str());
return ResultCode(ErrorDescription::InvalidCombination, ErrorModule::OS, ErrorSummary::InvalidArgument, ErrorLevel::Usage);
}
// Error out if the provided permissions are not compatible with what the creator process needs.
if (other_permissions != MemoryPermission::DontCare &&
static_cast<u32>(this->permissions) & ~static_cast<u32>(other_permissions)) {
LOG_ERROR(Kernel, "cannot map id=%u, address=0x%08X name=%s, permissions don't match",
GetObjectId(), address, name.c_str());
return ResultCode(ErrorDescription::WrongPermission, ErrorModule::OS, ErrorSummary::WrongArgument, ErrorLevel::Permanent);
}
@@ -117,8 +123,11 @@ ResultCode SharedMemory::Map(Process* target_process, VAddr address, MemoryPermi
// Map the memory block into the target process
auto result = target_process->vm_manager.MapMemoryBlock(target_address, backing_block, backing_block_offset, size, MemoryState::Shared);
if (result.Failed())
if (result.Failed()) {
LOG_ERROR(Kernel, "cannot map id=%u, target_address=0x%08X name=%s, error mapping to virtual memory",
GetObjectId(), target_address, name.c_str());
return result.Code();
}
return target_process->vm_manager.ReprotectRange(target_address, size, ConvertPermissions(permissions));
}