1/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 2/* This Source Code Form is subject to the terms of the Mozilla Public 3 * License, v. 2.0. If a copy of the MPL was not distributed with this 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 5#include <sys/regdef.h> 6#include <sys/asm.h> 7 8LOCALSZ=16 9FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK 10 11A1OFF=FRAMESZ-(9*SZREG) 12A2OFF=FRAMESZ-(8*SZREG) 13A3OFF=FRAMESZ-(7*SZREG) 14A4OFF=FRAMESZ-(6*SZREG) 15A5OFF=FRAMESZ-(5*SZREG) 16A6OFF=FRAMESZ-(4*SZREG) 17A7OFF=FRAMESZ-(3*SZREG) 18GPOFF=FRAMESZ-(2*SZREG) 19RAOFF=FRAMESZ-(1*SZREG) 20 21F13OFF=FRAMESZ-(16*SZREG) 22F14OFF=FRAMESZ-(15*SZREG) 23F15OFF=FRAMESZ-(14*SZREG) 24F16OFF=FRAMESZ-(13*SZREG) 25F17OFF=FRAMESZ-(12*SZREG) 26F18OFF=FRAMESZ-(11*SZREG) 27F19OFF=FRAMESZ-(10*SZREG) 28 29#define SENTINEL_ENTRY(n) /* defined in cpp file, not here */ 30 31#define STUB_ENTRY(x) \ 32 .if x < 10; \ 33 MAKE_STUB(x, _ZN14nsXPTCStubBase5Stub ##x ##Ev); \ 34 .elseif x < 100; \ 35 MAKE_STUB(x, _ZN14nsXPTCStubBase6Stub ##x ##Ev); \ 36 .elseif x < 1000; \ 37 MAKE_STUB(x, _ZN14nsXPTCStubBase7Stub ##x ##Ev); \ 38 .else; \ 39 .err; \ 40 .endif 41 42#define MAKE_STUB(x, name) \ 43 .globl name; \ 44 .type name,@function; \ 45 .aent name,0; \ 46name:; \ 47 PTR_SUBU sp,FRAMESZ; \ 48 SETUP_GP64(GPOFF, name); \ 49 li t0,x; \ 50 b sharedstub; \ 51 52# 53# open a dummy frame for the function entries 54# 55 .text 56 .align 2 57 .type dummy,@function 58 .ent dummy, 0 59dummy: 60 .frame sp, FRAMESZ, ra 61 .mask 0x90000FF0, RAOFF-FRAMESZ 62 .fmask 0x000FF000, F19OFF-FRAMESZ 63 64#include "xptcstubsdef.inc" 65 66sharedstub: 67 68 REG_S a1, A1OFF(sp) 69 REG_S a2, A2OFF(sp) 70 REG_S a3, A3OFF(sp) 71 REG_S a4, A4OFF(sp) 72 REG_S a5, A5OFF(sp) 73 REG_S a6, A6OFF(sp) 74 REG_S a7, A7OFF(sp) 75 REG_S ra, RAOFF(sp) 76 77 s.d $f13, F13OFF(sp) 78 s.d $f14, F14OFF(sp) 79 s.d $f15, F15OFF(sp) 80 s.d $f16, F16OFF(sp) 81 s.d $f17, F17OFF(sp) 82 s.d $f18, F18OFF(sp) 83 s.d $f19, F19OFF(sp) 84 85 # t0 is methodIndex 86 move a1, t0 87 88 # a2 is stack address where extra function params 89 # are stored that do not fit in registers 90 move a2, sp 91 PTR_ADDI a2, FRAMESZ 92 93 # a3 is stack address of a1..a7 94 move a3, sp 95 PTR_ADDI a3, A1OFF 96 97 # a4 is stack address of f13..f19 98 move a4, sp 99 PTR_ADDI a4, F13OFF 100 101 # PrepareAndDispatch(that, methodIndex, args, gprArgs, fpArgs) 102 # a0 a1 a2 a3 a4 103 # 104 jal PrepareAndDispatch 105 106 REG_L ra, RAOFF(sp) 107 RESTORE_GP64 108 109 PTR_ADDU sp, FRAMESZ 110 j ra 111 END(dummy) 112