xptcstubs_asm_mips.s.m4

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/* -*- Mode: asm; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-

 * Version: MPL 1.1

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* This code is for MIPS using the O32 ABI. */

#include <sys/regdef.h>

#include <sys/asm.h>

	.text

	.globl PrepareAndDispatch

NARGSAVE=4  # extra space for the callee to use.  gccism

            # we can put our a0-a3 in our callers space.

LOCALSZ=2   # gp, ra

FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK

define(STUB_NAME, `Stub'$1`__14nsXPTCStubBase')

define(STUB_ENTRY,

`	.globl		'STUB_NAME($1)`

	.align		2

	.type		'STUB_NAME($1)`,@function

	.ent		'STUB_NAME($1)`, 0

'STUB_NAME($1)`:

	.frame		sp, FRAMESZ, ra

	.set		noreorder

	.cpload		t9

	.set		reorder

	subu		sp, FRAMESZ

	.cprestore	16

	li		t0, '$1`

	b		sharedstub

.end			'STUB_NAME($1)`

')

define(SENTINEL_ENTRY, `')

include(xptcstubsdef.inc)

	.globl	sharedstub

	.ent	sharedstub

sharedstub:

	REG_S	ra, 20(sp)

	REG_S	a0, 24(sp)

	REG_S	a1, 28(sp)

	REG_S	a2, 32(sp)

	REG_S	a3, 36(sp)

	# t0 is methodIndex

	move	a1, t0

	# put the start of a1, a2, a3, and stack

	move	a2, sp

	addi	a2, 24  # have a2 point to sp + 24 (where a0 is)

	# PrepareAndDispatch(that, methodIndex, args)

	#                     a0       a1        a2

	jal	PrepareAndDispatch

	REG_L	ra, 20(sp)

	REG_L	a1, 28(sp)

	REG_L	a2, 32(sp)

	addu	sp, FRAMESZ

	j	ra

.end sharedstub