michael@0: /* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * Version: MPL 1.1
michael@0:  *
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: /* This code is for MIPS using the O32 ABI. */
michael@0: 
michael@0: #include <sys/regdef.h>
michael@0: #include <sys/asm.h>
michael@0: 
michael@0: 	.text
michael@0: 	.globl PrepareAndDispatch
michael@0: 
michael@0: NARGSAVE=4  # extra space for the callee to use.  gccism
michael@0:             # we can put our a0-a3 in our callers space.
michael@0: LOCALSZ=2   # gp, ra
michael@0: FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
michael@0: 
michael@0: define(STUB_NAME, `Stub'$1`__14nsXPTCStubBase')
michael@0: 
michael@0: define(STUB_ENTRY,
michael@0: `	.globl		'STUB_NAME($1)`
michael@0: 	.align		2
michael@0: 	.type		'STUB_NAME($1)`,@function
michael@0: 	.ent		'STUB_NAME($1)`, 0
michael@0: 'STUB_NAME($1)`:
michael@0: 	.frame		sp, FRAMESZ, ra 
michael@0: 	.set		noreorder
michael@0: 	.cpload		t9
michael@0: 	.set		reorder
michael@0: 	subu		sp, FRAMESZ
michael@0: 	.cprestore	16	
michael@0: 	li		t0, '$1`
michael@0: 	b		sharedstub
michael@0: .end			'STUB_NAME($1)`
michael@0: 
michael@0: ')
michael@0: 
michael@0: define(SENTINEL_ENTRY, `')
michael@0: 
michael@0: include(xptcstubsdef.inc)
michael@0: 
michael@0: 	.globl	sharedstub
michael@0: 	.ent	sharedstub
michael@0: sharedstub:
michael@0: 
michael@0: 	REG_S	ra, 20(sp)
michael@0: 
michael@0: 	REG_S	a0, 24(sp)
michael@0: 	REG_S	a1, 28(sp)
michael@0: 	REG_S	a2, 32(sp)
michael@0: 	REG_S	a3, 36(sp)
michael@0: 
michael@0: 	# t0 is methodIndex
michael@0: 	move	a1, t0
michael@0: 
michael@0: 	# put the start of a1, a2, a3, and stack
michael@0: 	move	a2, sp
michael@0: 	addi	a2, 24  # have a2 point to sp + 24 (where a0 is)
michael@0: 
michael@0: 	# PrepareAndDispatch(that, methodIndex, args)
michael@0: 	#                     a0       a1        a2
michael@0: 	#
michael@0: 	jal	PrepareAndDispatch
michael@0: 
michael@0: 	REG_L	ra, 20(sp)
michael@0: 	REG_L	a1, 28(sp)
michael@0: 	REG_L	a2, 32(sp)
michael@0: 
michael@0: 	addu	sp, FRAMESZ
michael@0: 	j	ra
michael@0: 
michael@0: .end sharedstub