//go:linkname libc____errno libc____errno
//go:linkname libc_clock_gettime libc_clock_gettime
//go:linkname libc_exit libc_exit
//go:linkname libc_getcontext libc_getcontext
//go:linkname libc_kill libc_kill
//go:linkname libc_madvise libc_madvise
//go:linkname libc_malloc libc_malloc
//go:linkname libc_mmap libc_mmap
//go:linkname libc_munmap libc_munmap
//go:linkname libc_open libc_open
//go:linkname libc_pthread_attr_destroy libc_pthread_attr_destroy

//go:linkname libc_close libc_close
//go:linkname libc_exit libc_exit
//go:linkname libc_getpid libc_getpid
//go:linkname libc_getsystemcfg libc_getsystemcfg
//go:linkname libc_kill libc_kill
//go:linkname libc_madvise libc_madvise
//go:linkname libc_malloc libc_malloc
//go:linkname libc_mmap libc_mmap
//go:linkname libc_mprotect libc_mprotect
//go:linkname libc_munmap libc_munmap
//go:linkname libc_open libc_open

//go:linkname libc_recvfrom libc_recvfrom
//go:linkname libc_sendto libc_sendto
//go:linkname libc_nrecvmsg libc_nrecvmsg
//go:linkname libc_nsendmsg libc_nsendmsg
//go:linkname libc_munmap libc_munmap
//go:linkname libc_madvise libc_madvise
//go:linkname libc_mprotect libc_mprotect
//go:linkname libc_mlock libc_mlock
//go:linkname libc_mlockall libc_mlockall
//go:linkname libc_msync libc_msync
//go:linkname libc_munlock libc_munlock

//go:cgo_import_dynamic libc_thrkill thrkill "libc.so"

//go:cgo_import_dynamic libc_mmap mmap "libc.so"
//go:cgo_import_dynamic libc_munmap munmap "libc.so"
//go:cgo_import_dynamic libc_madvise madvise "libc.so"

//go:cgo_import_dynamic libc_open open "libc.so"
//go:cgo_import_dynamic libc_close close "libc.so"
//go:cgo_import_dynamic libc_read read "libc.so"

	MOVD	R0, (R0)
	RET

TEXT runtime·madvise_trampoline(SB), NOSPLIT, $0
	MOVD	8(R0), R1		// arg 2 - len
	MOVW	16(R0), R2		// arg 3 - advice
	MOVD	0(R0), R0		// arg 1 - addr
	CALL	libc_madvise(SB)
	// ignore failure - maybe pages are locked
	RET

TEXT runtime·open_trampoline(SB),NOSPLIT,$0
	MOVW	8(R0), R1		// arg 2 - flags
	MOVW	12(R0), R2		// arg 3 - mode
	MOVD	0(R0), R0		// arg 1 - path

	MOVD	R3, (R3)
	RET

TEXT runtime·madvise_trampoline(SB),NOSPLIT,$32
	MOVD	8(R3), R4		// arg 2 - len
	MOVW	16(R3), R5		// arg 3 - advice
	MOVD	0(R3), R3		// arg 1 - addr
	CALL	libc_madvise(SB)
	// ignore failure - maybe pages are locked
	RET

TEXT runtime·open_trampoline(SB),NOSPLIT,$32
	MOVW	8(R3), R4		// arg 2 - flags
	MOVW	12(R3), R5		// arg 3 - mode
	MOVD	0(R3), R3		// arg 1 - path

	JMP	libc_poll(SB)
GLOBL	·libc_poll_trampoline_addr(SB), RODATA, $8
DATA	·libc_poll_trampoline_addr(SB)/8, $libc_poll_trampoline<>(SB)

TEXT libc_madvise_trampoline<>(SB),NOSPLIT,$0-0
	JMP	libc_madvise(SB)
GLOBL	·libc_madvise_trampoline_addr(SB), RODATA, $8
DATA	·libc_madvise_trampoline_addr(SB)/8, $libc_madvise_trampoline<>(SB)

TEXT libc_mlock_trampoline<>(SB),NOSPLIT,$0-0
	JMP	libc_mlock(SB)

	MOV	X5, (X5)
	RET

TEXT runtime·madvise_trampoline(SB),NOSPLIT,$8
	MOV	8(X10), X11		// arg 2 - len
	MOVW	16(X10), X12		// arg 3 - advice
	MOV	0(X10), X10		// arg 1 - addr
	CALL	libc_madvise(SB)
	// ignore failure - maybe pages are locked
	RET

TEXT runtime·open_trampoline(SB),NOSPLIT,$8
	MOVW	8(X10), X11		// arg 2 - flags
	MOVW	12(X10), X12		// arg 3 - mode
	MOV	0(X10), X10		// arg 1 - path

	CALL	libc_poll(SB)
	RET
GLOBL	·libc_poll_trampoline_addr(SB), RODATA, $8
DATA	·libc_poll_trampoline_addr(SB)/8, $libc_poll_trampoline<>(SB)

TEXT libc_madvise_trampoline<>(SB),NOSPLIT,$0-0
	CALL	libc_madvise(SB)
	RET
GLOBL	·libc_madvise_trampoline_addr(SB), RODATA, $8
DATA	·libc_madvise_trampoline_addr(SB)/8, $libc_madvise_trampoline<>(SB)

TEXT libc_mlock_trampoline<>(SB),NOSPLIT,$0-0
	CALL	libc_mlock(SB)
	RET

	JEQ	2(PC)
	MOVL	$0xf1, 0xf1  // crash
	RET

TEXT runtime·madvise_trampoline(SB), NOSPLIT, $0
	MOVQ	8(DI), SI	// arg 2 len
	MOVL	16(DI), DX	// arg 3 advice
	MOVQ	0(DI), DI	// arg 1 addr
	CALL	libc_madvise(SB)
	// ignore failure - maybe pages are locked
	RET

TEXT runtime·open_trampoline(SB),NOSPLIT,$0
	MOVL	8(DI), SI		// arg 2 - flags
	MOVL	12(DI), DX		// arg 3 - mode
	MOVQ	0(DI), DI		// arg 1 - path