lab.nexedi.com/kirr/go123@v0.0.0-20240207185015-8299741fa871/tracing/internal/xruntime/zruntime_g_go1.8.go

// Code generated by g_typedef; DO NOT EDIT.

//go:build go1.8 && !go1.9
// +build go1.8,!go1.9

package xruntime

import "unsafe"

type g struct {
	// Stack parameters.
	// stack describes the actual stack memory: [stack.lo, stack.hi).
	// stackguard0 is the stack pointer compared in the Go stack growth prologue.
	// It is stack.lo+StackGuard normally, but can be StackPreempt to trigger a preemption.
	// stackguard1 is the stack pointer compared in the C stack growth prologue.
	// It is stack.lo+StackGuard on g0 and gsignal stacks.
	// It is ~0 on other goroutine stacks, to trigger a call to morestackc (and crash).
	stack       stack   // offset known to runtime/cgo
	stackguard0 uintptr // offset known to liblink
	stackguard1 uintptr // offset known to liblink

	_panic         *_panic // innermost panic - offset known to liblink
	_defer         *_defer // innermost defer
	m              *m      // current m; offset known to arm liblink
	stackAlloc     uintptr // stack allocation is [stack.lo,stack.lo+stackAlloc)
	sched          gobuf
	syscallsp      uintptr        // if status==Gsyscall, syscallsp = sched.sp to use during gc
	syscallpc      uintptr        // if status==Gsyscall, syscallpc = sched.pc to use during gc
	stkbar         []stkbar       // stack barriers, from low to high (see top of mstkbar.go)
	stkbarPos      uintptr        // index of lowest stack barrier not hit
	stktopsp       uintptr        // expected sp at top of stack, to check in traceback
	param          unsafe.Pointer // passed parameter on wakeup
	atomicstatus   uint32
	stackLock      uint32 // sigprof/scang lock; TODO: fold in to atomicstatus
	goid           int64
	waitsince      int64  // approx time when the g become blocked
	waitreason     string // if status==Gwaiting
	schedlink      guintptr
	preempt        bool     // preemption signal, duplicates stackguard0 = stackpreempt
	paniconfault   bool     // panic (instead of crash) on unexpected fault address
	preemptscan    bool     // preempted g does scan for gc
	gcscandone     bool     // g has scanned stack; protected by _Gscan bit in status
	gcscanvalid    bool     // false at start of gc cycle, true if G has not run since last scan; transition from true to false by calling queueRescan and false to true by calling dequeueRescan
	throwsplit     bool     // must not split stack
	raceignore     int8     // ignore race detection events
	sysblocktraced bool     // StartTrace has emitted EvGoInSyscall about this goroutine
	sysexitticks   int64    // cputicks when syscall has returned (for tracing)
	traceseq       uint64   // trace event sequencer
	tracelastp     puintptr // last P emitted an event for this goroutine
	lockedm        *m
	sig            uint32
	writebuf       []byte
	sigcode0       uintptr
	sigcode1       uintptr
	sigpc          uintptr
	gopc           uintptr // pc of go statement that created this goroutine
	startpc        uintptr // pc of goroutine function
	racectx        uintptr
	waiting        *sudog    // sudog structures this g is waiting on (that have a valid elem ptr); in lock order
	cgoCtxt        []uintptr // cgo traceback context

	// gcRescan is this G's index in work.rescan.list. If this is
	// -1, this G is not on the rescan list.
	//
	// If gcphase != _GCoff and this G is visible to the garbage
	// collector, writes to this are protected by work.rescan.lock.
	gcRescan int32

	// gcAssistBytes is this G's GC assist credit in terms of
	// bytes allocated. If this is positive, then the G has credit
	// to allocate gcAssistBytes bytes without assisting. If this
	// is negative, then the G must correct this by performing
	// scan work. We track this in bytes to make it fast to update
	// and check for debt in the malloc hot path. The assist ratio
	// determines how this corresponds to scan work debt.
	gcAssistBytes int64
}
type stack struct {
	lo uintptr
	hi uintptr
}
type _panic struct {
	argp      unsafe.Pointer // pointer to arguments of deferred call run during panic; cannot move - known to liblink
	arg       interface{}    // argument to panic
	link      *_panic        // link to earlier panic
	recovered bool           // whether this panic is over
	aborted   bool           // the panic was aborted
}
type _defer struct {
	siz     int32
	started bool
	sp      uintptr // sp at time of defer
	pc      uintptr
	fn      *funcval
	_panic  *_panic // panic that is running defer
	link    *_defer
}
type gobuf struct {
	// The offsets of sp, pc, and g are known to (hard-coded in) libmach.
	//
	// ctxt is unusual with respect to GC: it may be a
	// heap-allocated funcval so write require a write barrier,
	// but gobuf needs to be cleared from assembly. We take
	// advantage of the fact that the only path that uses a
	// non-nil ctxt is morestack. As a result, gogo is the only
	// place where it may not already be nil, so gogo uses an
	// explicit write barrier. Everywhere else that resets the
	// gobuf asserts that ctxt is already nil.
	sp   uintptr
	pc   uintptr
	g    guintptr
	ctxt unsafe.Pointer // this has to be a pointer so that gc scans it
	ret  uintreg
	lr   uintptr
	bp   uintptr // for GOEXPERIMENT=framepointer
}
type funcval struct {
	fn uintptr
}
type timer struct {
	i int // heap index

	// Timer wakes up at when, and then at when+period, ... (period > 0 only)
	// each time calling f(arg, now) in the timer goroutine, so f must be
	// a well-behaved function and not block.
	when   int64
	period int64
	f      func(interface{}, uintptr)
	arg    interface{}
	seq    uintptr
}
type guintptr uintptr
type puintptr uintptr
type muintptr uintptr
type stkbar struct {
	savedLRPtr uintptr // location overwritten by stack barrier PC
	savedLRVal uintptr // value overwritten at savedLRPtr
}
type uintreg uint   // FIXME wrong on amd64p32
type m struct{}     // FIXME stub
type sudog struct{} // FIXME stub