open-consul/vendor/github.com/shirou/gopsutil/process/process_windows_386.go

103 lines
2.6 KiB
Go

// +build windows
package process
import (
"syscall"
"unsafe"
"github.com/shirou/gopsutil/internal/common"
)
type PROCESS_MEMORY_COUNTERS struct {
CB uint32
PageFaultCount uint32
PeakWorkingSetSize uint32
WorkingSetSize uint32
QuotaPeakPagedPoolUsage uint32
QuotaPagedPoolUsage uint32
QuotaPeakNonPagedPoolUsage uint32
QuotaNonPagedPoolUsage uint32
PagefileUsage uint32
PeakPagefileUsage uint32
}
func queryPebAddress(procHandle syscall.Handle, is32BitProcess bool) uint64 {
if is32BitProcess {
//we are on a 32-bit process reading an external 32-bit process
var info processBasicInformation32
ret, _, _ := common.ProcNtQueryInformationProcess.Call(
uintptr(procHandle),
uintptr(common.ProcessBasicInformation),
uintptr(unsafe.Pointer(&info)),
uintptr(unsafe.Sizeof(info)),
uintptr(0),
)
if int(ret) >= 0 {
return uint64(info.PebBaseAddress)
}
} else {
//we are on a 32-bit process reading an external 64-bit process
if common.ProcNtWow64QueryInformationProcess64.Find() == nil { //avoid panic
var info processBasicInformation64
ret, _, _ := common.ProcNtWow64QueryInformationProcess64.Call(
uintptr(procHandle),
uintptr(common.ProcessBasicInformation),
uintptr(unsafe.Pointer(&info)),
uintptr(unsafe.Sizeof(info)),
uintptr(0),
)
if int(ret) >= 0 {
return info.PebBaseAddress
}
}
}
//return 0 on error
return 0
}
func readProcessMemory(h syscall.Handle, is32BitProcess bool, address uint64, size uint) []byte {
if is32BitProcess {
var read uint
buffer := make([]byte, size)
ret, _, _ := common.ProcNtReadVirtualMemory.Call(
uintptr(h),
uintptr(address),
uintptr(unsafe.Pointer(&buffer[0])),
uintptr(size),
uintptr(unsafe.Pointer(&read)),
)
if int(ret) >= 0 && read > 0 {
return buffer[:read]
}
} else {
//reading a 64-bit process from a 32-bit one
if common.ProcNtWow64ReadVirtualMemory64.Find() == nil { //avoid panic
var read uint64
buffer := make([]byte, size)
ret, _, _ := common.ProcNtWow64ReadVirtualMemory64.Call(
uintptr(h),
uintptr(address & 0xFFFFFFFF), //the call expects a 64-bit value
uintptr(address >> 32),
uintptr(unsafe.Pointer(&buffer[0])),
uintptr(size), //the call expects a 64-bit value
uintptr(0), //but size is 32-bit so pass zero as the high dword
uintptr(unsafe.Pointer(&read)),
)
if int(ret) >= 0 && read > 0 {
return buffer[:uint(read)]
}
}
}
//if we reach here, an error happened
return nil
}