1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips64.S Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,111 @@
1.4 +/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +#include <sys/regdef.h>
1.9 +#include <sys/asm.h>
1.10 +
1.11 +LOCALSZ=16
1.12 +FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
1.13 +
1.14 +A1OFF=FRAMESZ-(9*SZREG)
1.15 +A2OFF=FRAMESZ-(8*SZREG)
1.16 +A3OFF=FRAMESZ-(7*SZREG)
1.17 +A4OFF=FRAMESZ-(6*SZREG)
1.18 +A5OFF=FRAMESZ-(5*SZREG)
1.19 +A6OFF=FRAMESZ-(4*SZREG)
1.20 +A7OFF=FRAMESZ-(3*SZREG)
1.21 +GPOFF=FRAMESZ-(2*SZREG)
1.22 +RAOFF=FRAMESZ-(1*SZREG)
1.23 +
1.24 +F13OFF=FRAMESZ-(16*SZREG)
1.25 +F14OFF=FRAMESZ-(15*SZREG)
1.26 +F15OFF=FRAMESZ-(14*SZREG)
1.27 +F16OFF=FRAMESZ-(13*SZREG)
1.28 +F17OFF=FRAMESZ-(12*SZREG)
1.29 +F18OFF=FRAMESZ-(11*SZREG)
1.30 +F19OFF=FRAMESZ-(10*SZREG)
1.31 +
1.32 +#define SENTINEL_ENTRY(n) /* defined in cpp file, not here */
1.33 +
1.34 +#define STUB_ENTRY(x) \
1.35 + .if x < 10; \
1.36 + MAKE_STUB(x, _ZN14nsXPTCStubBase5Stub ##x ##Ev); \
1.37 + .elseif x < 100; \
1.38 + MAKE_STUB(x, _ZN14nsXPTCStubBase6Stub ##x ##Ev); \
1.39 + .elseif x < 1000; \
1.40 + MAKE_STUB(x, _ZN14nsXPTCStubBase7Stub ##x ##Ev); \
1.41 + .else; \
1.42 + .err; \
1.43 + .endif
1.44 +
1.45 +#define MAKE_STUB(x, name) \
1.46 + .globl name; \
1.47 + .type name,@function; \
1.48 + .aent name,0; \
1.49 +name:; \
1.50 + PTR_SUBU sp,FRAMESZ; \
1.51 + SETUP_GP64(GPOFF, name); \
1.52 + li t0,x; \
1.53 + b sharedstub; \
1.54 +
1.55 +#
1.56 +# open a dummy frame for the function entries
1.57 +#
1.58 + .text
1.59 + .align 2
1.60 + .type dummy,@function
1.61 + .ent dummy, 0
1.62 +dummy:
1.63 + .frame sp, FRAMESZ, ra
1.64 + .mask 0x90000FF0, RAOFF-FRAMESZ
1.65 + .fmask 0x000FF000, F19OFF-FRAMESZ
1.66 +
1.67 +#include "xptcstubsdef.inc"
1.68 +
1.69 +sharedstub:
1.70 +
1.71 + REG_S a1, A1OFF(sp)
1.72 + REG_S a2, A2OFF(sp)
1.73 + REG_S a3, A3OFF(sp)
1.74 + REG_S a4, A4OFF(sp)
1.75 + REG_S a5, A5OFF(sp)
1.76 + REG_S a6, A6OFF(sp)
1.77 + REG_S a7, A7OFF(sp)
1.78 + REG_S ra, RAOFF(sp)
1.79 +
1.80 + s.d $f13, F13OFF(sp)
1.81 + s.d $f14, F14OFF(sp)
1.82 + s.d $f15, F15OFF(sp)
1.83 + s.d $f16, F16OFF(sp)
1.84 + s.d $f17, F17OFF(sp)
1.85 + s.d $f18, F18OFF(sp)
1.86 + s.d $f19, F19OFF(sp)
1.87 +
1.88 + # t0 is methodIndex
1.89 + move a1, t0
1.90 +
1.91 + # a2 is stack address where extra function params
1.92 + # are stored that do not fit in registers
1.93 + move a2, sp
1.94 + addi a2, FRAMESZ
1.95 +
1.96 + # a3 is stack address of a1..a7
1.97 + move a3, sp
1.98 + addi a3, A1OFF
1.99 +
1.100 + # a4 is stack address of f13..f19
1.101 + move a4, sp
1.102 + addi a4, F13OFF
1.103 +
1.104 + # PrepareAndDispatch(that, methodIndex, args, gprArgs, fpArgs)
1.105 + # a0 a1 a2 a3 a4
1.106 + #
1.107 + jal PrepareAndDispatch
1.108 +
1.109 + REG_L ra, RAOFF(sp)
1.110 + RESTORE_GP64
1.111 +
1.112 + PTR_ADDU sp, FRAMESZ
1.113 + j ra
1.114 + END(dummy)
