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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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/. */
#include <sys/regdef.h>
#include <sys/asm.h>
LOCALSZ=16
FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
A1OFF=FRAMESZ-(9*SZREG)
A2OFF=FRAMESZ-(8*SZREG)
A3OFF=FRAMESZ-(7*SZREG)
A4OFF=FRAMESZ-(6*SZREG)
A5OFF=FRAMESZ-(5*SZREG)
A6OFF=FRAMESZ-(4*SZREG)
A7OFF=FRAMESZ-(3*SZREG)
GPOFF=FRAMESZ-(2*SZREG)
RAOFF=FRAMESZ-(1*SZREG)
F13OFF=FRAMESZ-(16*SZREG)
F14OFF=FRAMESZ-(15*SZREG)
F15OFF=FRAMESZ-(14*SZREG)
F16OFF=FRAMESZ-(13*SZREG)
F17OFF=FRAMESZ-(12*SZREG)
F18OFF=FRAMESZ-(11*SZREG)
F19OFF=FRAMESZ-(10*SZREG)
#define SENTINEL_ENTRY(n) /* defined in cpp file, not here */
#define STUB_ENTRY(x) \
.if x < 10; \
MAKE_STUB(x, _ZN14nsXPTCStubBase5Stub ##x ##Ev); \
.elseif x < 100; \
MAKE_STUB(x, _ZN14nsXPTCStubBase6Stub ##x ##Ev); \
.elseif x < 1000; \
MAKE_STUB(x, _ZN14nsXPTCStubBase7Stub ##x ##Ev); \
.else; \
.err; \
.endif
#define MAKE_STUB(x, name) \
.globl name; \
.type name,@function; \
.aent name,0; \
name:; \
PTR_SUBU sp,FRAMESZ; \
SETUP_GP64(GPOFF, name); \
li t0,x; \
b sharedstub; \
#
# open a dummy frame for the function entries
#
.text
.align 2
.type dummy,@function
.ent dummy, 0
dummy:
.frame sp, FRAMESZ, ra
.mask 0x90000FF0, RAOFF-FRAMESZ
.fmask 0x000FF000, F19OFF-FRAMESZ
#include "xptcstubsdef.inc"
sharedstub:
REG_S a1, A1OFF(sp)
REG_S a2, A2OFF(sp)
REG_S a3, A3OFF(sp)
REG_S a4, A4OFF(sp)
REG_S a5, A5OFF(sp)
REG_S a6, A6OFF(sp)
REG_S a7, A7OFF(sp)
REG_S ra, RAOFF(sp)
s.d $f13, F13OFF(sp)
s.d $f14, F14OFF(sp)
s.d $f15, F15OFF(sp)
s.d $f16, F16OFF(sp)
s.d $f17, F17OFF(sp)
s.d $f18, F18OFF(sp)
s.d $f19, F19OFF(sp)
# t0 is methodIndex
move a1, t0
# a2 is stack address where extra function params
# are stored that do not fit in registers
move a2, sp
PTR_ADDI a2, FRAMESZ
# a3 is stack address of a1..a7
move a3, sp
PTR_ADDI a3, A1OFF
# a4 is stack address of f13..f19
move a4, sp
PTR_ADDI a4, F13OFF
# PrepareAndDispatch(that, methodIndex, args, gprArgs, fpArgs)
# a0 a1 a2 a3 a4
#
jal PrepareAndDispatch
REG_L ra, RAOFF(sp)
RESTORE_GP64
PTR_ADDU sp, FRAMESZ
j ra
END(dummy)
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