x86/entry/entry_32.S

14  *	 4(%esp) - %ecx
183 	pushl	%ecx
186 	movl	4*4(%esp), %ecx		# flags
187 	movl	%ecx, %ss:-1*4(%eax)
189 	movl	3*4(%esp), %ecx		# cs
190 	andl	$0x0000ffff, %ecx
191 	movl	%ecx, %ss:-2*4(%eax)
193 	movl	2*4(%esp), %ecx		# ip
194 	movl	%ecx, %ss:-3*4(%eax)
196 	movl	1*4(%esp), %ecx		# eax
197 	movl	%ecx, %ss:-4*4(%eax)
199 	popl	%ecx
228 	pushl	%ecx
258 	popl	%ecx
378 	movl	PER_CPU_VAR(cpu_entry_area), %ecx
379 	addl	$CPU_ENTRY_AREA_entry_stack + SIZEOF_entry_stack, %ecx
380 	subl	%esp, %ecx	/* ecx = (end of entry_stack) - esp */
381 	cmpl	$SIZEOF_entry_stack, %ecx
397 	movl	PT_EFLAGS(%esp), %ecx		# mix EFLAGS and CS
399 	andl	$(X86_EFLAGS_VM | SEGMENT_RPL_MASK), %ecx
401 	movl	PT_CS(%esp), %ecx
402 	andl	$SEGMENT_RPL_MASK, %ecx
404 	cmpl	$USER_RPL, %ecx
408 	movl	$PTREGS_SIZE, %ecx
418 	addl	$(4 * 4), %ecx
424 	subl	%ecx, %edi
433 	shrl	$2, %ecx
469 	/* Calculate number of bytes on the entry stack in %ecx */
470 	movl	%esi, %ecx
472 	/* %ecx to the top of entry-stack */
473 	andl	$(MASK_entry_stack), %ecx
474 	addl	$(SIZEOF_entry_stack), %ecx
476 	/* Number of bytes on the entry stack to %ecx */
477 	sub	%esi, %ecx
491 	 * %esi and %edi are unchanged, %ecx contains the number of
517 	movl	$PTREGS_SIZE, %ecx
524 	addl    $(4 * 4), %ecx
531 	subl	%ecx, %edi
538 	shrl	$2, %ecx
578 	/* Bytes on the task-stack to ecx */
579 	movl	PER_CPU_VAR(cpu_tss_rw + TSS_sp1), %ecx
580 	subl	%esi, %ecx
583 	subl	%ecx, %edi
593 	shrl	$2, %ecx
734 	movl	%ebx, %ecx	/* fn */
779  * ecx  arg2
860 	movl	PT_OLDESP(%esp), %ecx	/* pt_regs->sp */
887 	 * Return back to the vDSO, which will pop ecx and edx.
926  * ecx  arg2
998 	pushl	%ecx
1001 	movl	2(%esp), %ecx				/* GDT address */
1006 	mov	%cs:GDT_ESPFIX_OFFSET + 4(%ecx), %al	/* bits 16..23 */
1007 	mov	%cs:GDT_ESPFIX_OFFSET + 7(%ecx), %ah	/* bits 24..31 */
1010 	popl	%ecx
1139 	movl	PER_CPU_VAR(cpu_entry_area), %ecx
1140 	addl	$CPU_ENTRY_AREA_entry_stack + SIZEOF_entry_stack, %ecx
1141 	subl	%eax, %ecx	/* ecx = (end of entry_stack) - esp */
1142 	cmpl	$SIZEOF_entry_stack, %ecx