.file	"asm-Linux-386.S"#include "syscall.h"	.text /* * executeonnewstack(void *tos, void (*tramp)(void *arg), void *arg) */ 	.type	 executeonnewstack,@function	.global	executeonnewstackexecuteonnewstack:	pushl	%ebp	movl	%esp, %ebp	pushl	%esi 	movl	8(%ebp), %esi	/* get tos */	subl	$4, %esi	movl	16(%ebp), %eax	movl	%eax, (%esi)	/* stash arg on new stack */	subl	$4, %esi	movl	12(%ebp), %eax	movl	%eax, (%esi)	/* stash tramp on new stack */	mov	%esi, %esp	/* swap stacks pronto */	popl	%eax		/* recover the tramp address */	subl	%ebp, %ebp	/* stop stack traceback here */	call	*%eax		/* and jump to it (ho ho) */ 	/* if we return here, tramp didn't do its job */ 	addl	$8, %esp	/* clean up for pose value */ 	leal	SYS_exit, %eax	int	$0x80 /* * unlockandexit(int *key) * * NB: the return status may be garbaged if the stack is reused *	between the unlock and the system call, but this should *	not matter since no task is waiting for the result */ 	.type	unlockandexit,@function	.global	unlockandexitunlockandexit:	pushl	%ebp	movl	%esp, %ebp 	movl	8(%ebp), %esi		/* get the key address */	pushl	$0			/* exit status 0 */	movl	$0, %eax		/* unlock the stack allocator */	movl	%eax, (%esi)	leal	SYS_exit, %eax		/* call exit */	int	$0x80 /* * umult(ulong m1, ulong m2, ulong *hi) */ 	.type	umult,@function	.global	umultumult:	pushl	%ebp	movl	%esp, %ebp	pushl	%ebx 	movl	8(%ebp), %eax	movl	12(%ebp), %ebx	mull	%ebx	movl	16(%ebp), %ebx	movl	%edx, (%ebx) 	popl	%ebx	popl	%ebp	ret 	.type	FPsave,@function	.global	FPsaveFPsave:	pushl	%ebp	movl	%esp, %ebp	movl	8(%ebp), %eax	fstenv	(%eax)	popl	%ebp	ret 	.type	FPrestore,@function	.global	FPrestoreFPrestore:	pushl	%ebp	movl	%esp, %ebp	movl	8(%ebp), %eax	fldenv	(%eax)	popl	%ebp	ret 	.type	_tas,@function	.globl	_tas_tas:	movl	$1, %eax	movl	4(%esp), %ecx	xchgl	%eax, 0(%ecx)	ret