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https://github.com/go-delve/delve.git
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d2f748f1bd
* 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>
55 lines
1.3 KiB
Go
55 lines
1.3 KiB
Go
//go:build linux && loong64
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// +build linux,loong64
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package native
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import (
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"debug/elf"
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"fmt"
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"syscall"
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"unsafe"
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sys "golang.org/x/sys/unix"
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"github.com/go-delve/delve/pkg/proc"
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"github.com/go-delve/delve/pkg/proc/linutil"
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)
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func (thread *nativeThread) fpRegisters() ([]proc.Register, []byte, error) {
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var err error
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var loong64_fpregs linutil.LOONG64PtraceFpRegs
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thread.dbp.execPtraceFunc(func() { err = ptraceGetFpRegset(thread.ID, &loong64_fpregs) })
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fpregs := loong64_fpregs.Decode()
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if err != nil {
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err = fmt.Errorf("could not get floating point registers: %v", err.Error())
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}
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return fpregs, loong64_fpregs.Fregs, err
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}
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func (t *nativeThread) restoreRegisters(savedRegs proc.Registers) error {
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var restoreRegistersErr error
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sr := savedRegs.(*linutil.LOONG64Registers)
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t.dbp.execPtraceFunc(func() {
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restoreRegistersErr = ptraceSetGRegs(t.ID, sr.Regs)
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if restoreRegistersErr != syscall.Errno(0) {
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return
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}
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if sr.Fpregset != nil {
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iov := sys.Iovec{Base: &sr.Fpregset[0], Len: uint64(len(sr.Fpregset))}
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_, _, restoreRegistersErr = syscall.Syscall6(syscall.SYS_PTRACE, sys.PTRACE_SETREGSET,
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uintptr(t.ID), uintptr(elf.NT_FPREGSET), uintptr(unsafe.Pointer(&iov)), 0, 0)
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}
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})
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if restoreRegistersErr == syscall.Errno(0) {
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restoreRegistersErr = nil
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}
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return restoreRegistersErr
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}
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