* Called from standard x86 ABI, where %ebp, %ebx, %esi,
 * and %edi are callee-save, so they must be saved explicitly.
 */
.globl EXT(crosscall1)
EXT(crosscall1):
	pushl %ebp
	movl %esp, %ebp
	pushl %ebx
	pushl %esi
	pushl %edi

	movl 16(%ebp), %eax	/* g */
	pushl %eax
	movl 12(%ebp), %eax	/* setg_gcc */
	call *%eax
	popl %eax

	movl 8(%ebp), %eax	/* fn */
	call *%eax

	popl %edi
	popl %esi
	popl %ebx

	ADDL	$4, SP

	// address to callback parameters into CX
	LEAL	4(SP), CX

	// save registers as required for windows callback
	PUSHL	DI
	PUSHL	SI
	PUSHL	BP
	PUSHL	BX

	// Go ABI requires DF flag to be cleared.
	CLD

	// determine index into runtime·cbs table
	SUBL	$runtime·callbackasm(SB), AX
	MOVL	$0, DX

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

#include "textflag.h"

TEXT _rt0_386_android(SB),NOSPLIT,$0
	JMP	_rt0_386(SB)

TEXT _rt0_386_android_lib(SB),NOSPLIT,$0
	PUSHL	$_rt0_386_android_argv(SB)  // argv
	PUSHL	$1  // argc
	CALL	_rt0_386_lib(SB)
	POPL	AX
	POPL	AX
	RET

DATA _rt0_386_android_argv+0x00(SB)/4,$_rt0_386_android_argv0(SB)
DATA _rt0_386_android_argv+0x04(SB)/4,$0  // argv terminate

	MOVL CR4, DI // 0f20e7
	MOVL AX, CR0 // 0f22c0
	MOVL DX, CR0 // 0f22c2
	MOVL DI, CR4 // 0f22e7
	MOVL DR0, AX // 0f21c0
	MOVL DR6, DX // 0f21f2
	MOVL DR7, SI // 0f21fe
	// Test other movtab entries.
	PUSHL SS // 16
	PUSHL FS // 0fa0
	POPL FS  // 0fa1
	POPL SS  // 17

	RDPID AX                                // f30fc7f8

	// End of tests.

	CALL	AX

	MOVL	0x08(SP), BP
	MOVL	0x0C(SP), BX
	MOVL	0x10(SP), AX
	MOVL	0x14(SP), CX
	MOVL	0x18(SP), DX
	RET

TEXT _rt0_386_windows_lib_go(SB),NOSPLIT,$0
	PUSHL	$0
	PUSHL	$0
	JMP	runtime·rt0_go(SB)

TEXT _main(SB),NOSPLIT,$0
	// Remove the return address from the stack.
	// rt0_go doesn't expect it to be there.
	ADDL	$4, SP

        main(NativeExecutableSpec)
    }
}
        """

        and:
        file("src/main/asm/broken.s") << """
.section    __TEXT,__text,regular,pure_instructions
.globl  _sum
.align  4, 0x90
_sum:
pushl
"""

        expect:
        fails "mainExecutable"
        failure.assertHasDescription("Execution failed for task ':assembleMainExecutableMainAsm'.")
        failure.assertHasCause("A build operation failed.")

TEXT runtime·thr_start(SB),NOSPLIT,$0
	NOP	SP	// tell vet SP changed - stop checking offsets
	MOVL	4(SP), AX // m
	MOVL	m_g0(AX), BX
	LEAL	m_tls(AX), BP
	MOVL	m_id(AX), DI
	ADDL	$7, DI
	PUSHAL
	PUSHL	$32
	PUSHL	BP
	PUSHL	DI
	CALL	runtime·setldt(SB)
	POPL	AX
	POPL	AX
	POPL	AX
	POPAL
	get_tls(CX)
	MOVL	BX, g(CX)

	MOVL	AX, g_m(BX)
	CALL	runtime·stackcheck(SB)		// smashes AX
	CALL	runtime·mstart(SB)

TEXT foo(SB), DUPOK|NOSPLIT, $0

// LTYPE1 nonrem	{ outcode(int($1), &$2); }
	SETCC	AX
	SETCC	foo+4(SB)

// LTYPE2 rimnon	{ outcode(int($1), &$2); }
	DIVB	AX
	DIVB	foo+4(SB)
	PUSHL	$foo+4(SB)
	POPL		AX

// LTYPE3 rimrem	{ outcode(int($1), &$2); }
	SUBB	$1, AX
	SUBB	$1, foo+4(SB)
	SUBB	BX, AX
	SUBB	BX, foo+4(SB)

// LTYPE4 remrim	{ outcode(int($1), &$2); }
	CMPB	AX, $1

push eax
call exit
sayFooFromAsm endp
end
"""
        } else {
            return """
.text

LC0:
.ascii "fooFromAsm\\12\\0"
.globl _sayFooFromAsm

_sayFooFromAsm:
        pushl   %ebp
        movl    %esp, %ebp
        subl    \$8, %esp
        andl    \$-16, %esp
        movl    \$0, %eax
        movl    %eax, -4(%ebp)
        movl    -4(%ebp), %eax
        movl    \$LC0, (%esp)

TEXT ·rawVforkSyscall(SB),NOSPLIT|NOFRAME,$0-24
	MOVL	trap+0(FP), AX	// syscall entry
	MOVL	a1+4(FP), BX
	MOVL	a2+8(FP), CX
	MOVL	a3+12(FP), DX
	POPL	SI // preserve return address
	INVOKE_SYSCALL
	PUSHL	SI
	CMPL	AX, $0xfffff001
	JLS	ok
	MOVL	$-1, r1+16(FP)
	NEGL	AX
	MOVL	AX, err+20(FP)
	RET
ok:
	MOVL	AX, r1+16(FP)
	MOVL	$0, err+20(FP)
	RET