#include "textflag.h"
#include "funcdata.h"

//
// System call support for Plan 9
//

//func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err string)
//func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err string)
//func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr)
//func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr)

#define SYS_ERRSTR 41	/* from zsysnum_plan9.go */

import java.io.Reader;
import java.io.StringReader;
import java.nio.charset.Charset;
import java.nio.charset.StandardCharsets;
import java.util.Collections;

import static org.gradle.util.internal.WrapUtil.toMap;
import static org.hamcrest.CoreMatchers.equalTo;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.CoreMatchers.sameInstance;
import static org.hamcrest.MatcherAssert.assertThat;

#include "funcdata.h"

//
// System call support for AMD64, Darwin
//

// Trap # in AX, args in DI SI DX, return in AX DX

// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno);
TEXT	·Syscall(SB),NOSPLIT,$0-56
	CALL	runtime·entersyscall<ABIInternal>(SB)
	MOVQ	a1+8(FP), DI
	MOVQ	a2+16(FP), SI
	MOVQ	a3+24(FP), DX
	MOVQ	trap+0(FP), AX	// syscall entry
	ADDQ	$0x2000000, AX
	SYSCALL
	JCC	ok

// rather than ABIInternal.

// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall(SB),NOSPLIT,$0-28
	JMP	·syscallInternal(SB)

// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall6(SB),NOSPLIT,$0-40
	JMP	·syscall6Internal(SB)

// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·RawSyscall(SB),NOSPLIT,$0-28

func realSyscallNoError(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r uintptr)

func realSyscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r, errno uintptr)

func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr) {
	syscall.Entersyscall()
	r := realSyscallNoError(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
	syscall.Exitsyscall()
	return r, 0
}

	// Traps that we cannot be recovered.
	{_SigThrow, "sys: trap: debug exception"},
	{_SigThrow, "sys: trap: invalid opcode"},

	// We can recover from some memory errors in runtime·sigpanic.
	{_SigPanic, "sys: trap: fault read"},  // SIGRFAULT
	{_SigPanic, "sys: trap: fault write"}, // SIGWFAULT

	// We can also recover from math errors.
	{_SigPanic, "sys: trap: divide error"}, // SIGINTDIV

	errno = 0;
	r.r = syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
	r.err = errno;
	return r;
}

uintptr_t gccgoRealSyscallNoError(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7, uintptr_t a8, uintptr_t a9)
  __asm__(GOSYM_PREFIX GOPKGPATH ".realSyscallNoError");

uintptr_t

// rather than ABIInternal.

// func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall(SB),NOSPLIT,$0-28
	JMP	·syscallInternal(SB)

// func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·Syscall6(SB),NOSPLIT,$0-40
	JMP	·syscall6Internal(SB)

// func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
TEXT	·RawSyscall(SB),NOSPLIT,$0-28

  auto consumer2 = ops::Identity(scope.WithOpName("consumer2"), out2);
  auto consumer3 = ops::Identity(scope.WithOpName("consumer3"), out3);

  std::unique_ptr<Graph> graph(new Graph(OpRegistry::Global()));
  TF_CHECK_OK(scope.ToGraph(graph.get()));
  return graph;
}

// Makes an encapsulate body graph for use in tests.
static std::unique_ptr<Graph> MakeBodyGraph() {
  Scope scope = Scope::NewRootScope().ExitOnError();

// license that can be found in the LICENSE file.

#include "textflag.h"

//
// System call support for ARM64, Darwin
//

// func Syscall(trap uintptr, a1, a2, a3 uintptr) (r1, r2, err uintptr)
TEXT	·Syscall(SB),NOSPLIT,$0-56
	BL	runtime·entersyscall<ABIInternal>(SB)
	MOVD	trap+0(FP), R16
	MOVD	a1+8(FP), R0
	MOVD	a2+16(FP), R1
	MOVD	a3+24(FP), R2
	SVC	$0x80
	BCC	ok
	MOVD	$-1, R1
	MOVD	R1, r1+32(FP)	// r1