MAP_STACK - Code Search

src/runtime/defs_openbsd.go

	PROT_NONE  = C.PROT_NONE
	PROT_READ  = C.PROT_READ
	PROT_WRITE = C.PROT_WRITE
	PROT_EXEC  = C.PROT_EXEC

	MAP_ANON    = C.MAP_ANON
	MAP_PRIVATE = C.MAP_PRIVATE
	MAP_FIXED   = C.MAP_FIXED
	MAP_STACK   = C.MAP_STACK

	MADV_DONTNEED = C.MADV_DONTNEED
	MADV_FREE     = C.MADV_FREE

	SA_SIGINFO = C.SA_SIGINFO
	SA_RESTART = C.SA_RESTART
	SA_ONSTACK = C.SA_ONSTACK

	PTHREAD_CREATE_DETACHED = C.PTHREAD_CREATE_DETACHED

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Mon Oct 23 17:31:23 UTC 2023

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github.com/golang/go

src/runtime/os_openbsd_syscall.go

	stk := unsafe.Pointer(mp.g0.stack.hi)
	if false {
		print("newosproc stk=", stk, " m=", mp, " g=", mp.g0, " id=", mp.id, " ostk=", &mp, "\n")
	}

	// Stack pointer must point inside stack area (as marked with MAP_STACK),
	// rather than at the top of it.
	param := tforkt{
		tf_tcb:   unsafe.Pointer(&mp.tls[0]),
		tf_tid:   nil, // minit will record tid
		tf_stack: uintptr(stk) - goarch.PtrSize,
	}

	var oset sigset

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Thu Nov 10 20:44:45 UTC 2022

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github.com/golang/go

src/runtime/os_openbsd.go

}

//go:nosplit
func validSIGPROF(mp *m, c *sigctxt) bool {
	return true
}

func osStackAlloc(s *mspan) {
	osStackRemap(s, _MAP_STACK)
}

func osStackFree(s *mspan) {
	// Undo MAP_STACK.
	osStackRemap(s, 0)
}

func osStackRemap(s *mspan, flags int32) {
	a, err := mmap(unsafe.Pointer(s.base()), s.npages*pageSize, _PROT_READ|_PROT_WRITE, _MAP_PRIVATE|_MAP_ANON|_MAP_FIXED|flags, -1, 0)

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Mon Mar 25 19:53:03 UTC 2024

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github.com/golang/go

api/go1.3.txt

pkg syscall (netbsd-386), const MAP_RENAME ideal-int
pkg syscall (netbsd-386), const MAP_SHARED = 1
pkg syscall (netbsd-386), const MAP_SHARED ideal-int
pkg syscall (netbsd-386), const MAP_STACK = 8192
pkg syscall (netbsd-386), const MAP_STACK ideal-int
pkg syscall (netbsd-386), const MAP_TRYFIXED = 1024
pkg syscall (netbsd-386), const MAP_TRYFIXED ideal-int
pkg syscall (netbsd-386), const MAP_WIRED = 2048

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Mon Jun 02 02:45:00 UTC 2014

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github.com/golang/go

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_mips64le.go

	MAP_LOCKED                       = 0x8000
	MAP_NONBLOCK                     = 0x20000
	MAP_NORESERVE                    = 0x400
	MAP_POPULATE                     = 0x10000
	MAP_RENAME                       = 0x800
	MAP_STACK                        = 0x40000
	MCL_CURRENT                      = 0x1
	MCL_FUTURE                       = 0x2
	MCL_ONFAULT                      = 0x4
	MEMERASE                         = 0x80084d02

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Mon Jan 22 19:00:13 UTC 2024

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github.com/golang/go

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_386.go

	MAP_HUGETLB                      = 0x40000
	MAP_LOCKED                       = 0x2000
	MAP_NONBLOCK                     = 0x10000
	MAP_NORESERVE                    = 0x4000
	MAP_POPULATE                     = 0x8000
	MAP_STACK                        = 0x20000
	MAP_SYNC                         = 0x80000
	MCL_CURRENT                      = 0x1
	MCL_FUTURE                       = 0x2
	MCL_ONFAULT                      = 0x4

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Tue Jun 04 16:19:04 UTC 2024

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github.com/golang/go

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_arm.go

	MAP_HUGETLB                      = 0x40000
	MAP_LOCKED                       = 0x2000
	MAP_NONBLOCK                     = 0x10000
	MAP_NORESERVE                    = 0x4000
	MAP_POPULATE                     = 0x8000
	MAP_STACK                        = 0x20000
	MAP_SYNC                         = 0x80000
	MCL_CURRENT                      = 0x1
	MCL_FUTURE                       = 0x2
	MCL_ONFAULT                      = 0x4

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Mon Jan 22 19:00:13 UTC 2024

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github.com/golang/go

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_riscv64.go

	MAP_HUGETLB                      = 0x40000
	MAP_LOCKED                       = 0x2000
	MAP_NONBLOCK                     = 0x10000
	MAP_NORESERVE                    = 0x4000
	MAP_POPULATE                     = 0x8000
	MAP_STACK                        = 0x20000
	MAP_SYNC                         = 0x80000
	MCL_CURRENT                      = 0x1
	MCL_FUTURE                       = 0x2
	MCL_ONFAULT                      = 0x4

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Mon Jan 22 19:00:13 UTC 2024

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github.com/golang/go

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_arm64.go

	MAP_HUGETLB                      = 0x40000
	MAP_LOCKED                       = 0x2000
	MAP_NONBLOCK                     = 0x10000
	MAP_NORESERVE                    = 0x4000
	MAP_POPULATE                     = 0x8000
	MAP_STACK                        = 0x20000
	MAP_SYNC                         = 0x80000
	MCL_CURRENT                      = 0x1
	MCL_FUTURE                       = 0x2
	MCL_ONFAULT                      = 0x4

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Tue Jun 04 16:19:04 UTC 2024

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github.com/golang/go

src/cmd/vendor/golang.org/x/sys/unix/zerrors_linux_ppc.go

	MAP_HUGETLB                      = 0x40000
	MAP_LOCKED                       = 0x80
	MAP_NONBLOCK                     = 0x10000
	MAP_NORESERVE                    = 0x40
	MAP_POPULATE                     = 0x8000
	MAP_STACK                        = 0x20000
	MAP_SYNC                         = 0x80000
	MCL_CURRENT                      = 0x2000
	MCL_FUTURE                       = 0x4000
	MCL_ONFAULT                      = 0x8000

Registered: Wed Jun 12 16:32:35 UTC 2024

- Last Modified: Mon Jan 22 19:00:13 UTC 2024

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