Files
delve/pkg/proc/native/ptrace_linux_64bit.go
yelvens d2f748f1bd *: add support for linux/loong64 to native backend (#3892)
* delve: support linux-loong64 native debug

LoongArch is a new RISC ISA, which is independently designed by Loongson Technology.

LoongArch includes a reduced 32-bit version (LA32R), a standard 32-bit version (LA32S)
and a 64-bit version (LA64), and loong64 is the 64-bit version of LoongArch.

LoongArch documentation: https://github.com/loongson/LoongArch-Documentation.git

* *: mark loong64 port as experimental

---------

Co-authored-by: Huang Qiqi <huangqiqi@loongson.cn>
2025-01-17 09:41:37 -08:00

35 lines
1.1 KiB
Go

//go:build (linux && amd64) || (linux && arm64) || (linux && ppc64le) || (linux && riscv64) || (linux && loong64)
package native
import (
"syscall"
"unsafe"
sys "golang.org/x/sys/unix"
)
// processVmRead calls process_vm_readv
func processVmRead(tid int, addr uintptr, data []byte) (int, error) {
len_iov := uint64(len(data))
local_iov := sys.Iovec{Base: &data[0], Len: len_iov}
remote_iov := remoteIovec{base: addr, len: uintptr(len_iov)}
n, _, err := syscall.Syscall6(sys.SYS_PROCESS_VM_READV, uintptr(tid), uintptr(unsafe.Pointer(&local_iov)), 1, uintptr(unsafe.Pointer(&remote_iov)), 1, 0)
if err != syscall.Errno(0) {
return 0, err
}
return int(n), nil
}
// processVmWrite calls process_vm_writev
func processVmWrite(tid int, addr uintptr, data []byte) (int, error) {
len_iov := uint64(len(data))
local_iov := sys.Iovec{Base: &data[0], Len: len_iov}
remote_iov := remoteIovec{base: addr, len: uintptr(len_iov)}
n, _, err := syscall.Syscall6(sys.SYS_PROCESS_VM_WRITEV, uintptr(tid), uintptr(unsafe.Pointer(&local_iov)), 1, uintptr(unsafe.Pointer(&remote_iov)), 1, 0)
if err != syscall.Errno(0) {
return 0, err
}
return int(n), nil
}