* 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
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Co-authored-by: Huang Qiqi <huangqiqi@loongson.cn>
Per https://pkg.go.dev/unsafe#Pointer conversions from unsafe.Pointer
to uintptr are only safe in limited circumstances. In particular only
conversions made in the syscall call are pinned.
Additionally add a call to runtime.KeepAlive to mitigate the bug
described in: https://github.com/golang/go/issues/58351
Replaces sys.Iovec with a similar struct that uses uintptr instead of
*byte for the base field when referring to addresses of the target
process, so that we do not generate invalid pointers.
Fixes#2919
Implement debugging function for 386 on linux with reference to AMD64.
There are a few remaining problems that need to be solved in another time.
1. The stacktrace of cgo are not exactly as expected.
2. Not implement `core` for now.
3. Not implement `call` for now. Can't not find `runtime·debugCallV1` or
similar function in $GOROOT/src/runtime/asm_386.s.
Update #20
