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−/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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−/* This Source Code Form is subject to the terms of the Mozilla Public
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− * License, v. 2.0. If a copy of the MPL was not distributed with this
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− * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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−#include <sys/regdef.h>
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−#include <sys/asm.h>
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−
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−LOCALSZ=16
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−FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK
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−
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−A1OFF=FRAMESZ-(9*SZREG)
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−A2OFF=FRAMESZ-(8*SZREG)
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−A3OFF=FRAMESZ-(7*SZREG)
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−A4OFF=FRAMESZ-(6*SZREG)
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−A5OFF=FRAMESZ-(5*SZREG)
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−A6OFF=FRAMESZ-(4*SZREG)
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−A7OFF=FRAMESZ-(3*SZREG)
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−GPOFF=FRAMESZ-(2*SZREG)
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−RAOFF=FRAMESZ-(1*SZREG)
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−
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−F13OFF=FRAMESZ-(16*SZREG)
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−F14OFF=FRAMESZ-(15*SZREG)
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−F15OFF=FRAMESZ-(14*SZREG)
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−F16OFF=FRAMESZ-(13*SZREG)
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−F17OFF=FRAMESZ-(12*SZREG)
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−F18OFF=FRAMESZ-(11*SZREG)
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−F19OFF=FRAMESZ-(10*SZREG)
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−
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−#define SENTINEL_ENTRY(n)         /* defined in cpp file, not here */
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−
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−#define STUB_ENTRY(x)                                   \
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−    .if x < 10;                                         \
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−    MAKE_STUB(x, _ZN14nsXPTCStubBase5Stub ##x ##Ev);    \
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−    .elseif x < 100;                                    \
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−    MAKE_STUB(x, _ZN14nsXPTCStubBase6Stub ##x ##Ev);    \
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−    .elseif x < 1000;                                   \
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−    MAKE_STUB(x, _ZN14nsXPTCStubBase7Stub ##x ##Ev);    \
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−    .else;                                              \
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−    .err;                                               \
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−    .endif
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−
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−#define MAKE_STUB(x, name)                              \
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−    .globl   name;                                      \
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−    .type    name,@function;                            \
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−    .aent    name,0;                                    \
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−name:;                                                  \
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−    PTR_SUBU sp,FRAMESZ;                                \
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−    SETUP_GP64(GPOFF, name);                            \
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−    li       t0,x;                                      \
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−    b        sharedstub;                                \
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−
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−#
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−# open a dummy frame for the function entries
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−#
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−    .text
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−    .align   2
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−    .type    dummy,@function
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−    .ent     dummy, 0
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−dummy:
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−    .frame   sp, FRAMESZ, ra
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−    .mask    0x90000FF0, RAOFF-FRAMESZ
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−    .fmask   0x000FF000, F19OFF-FRAMESZ
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−
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−#include "xptcstubsdef.inc"
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−
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−sharedstub:
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−
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−    REG_S    a1, A1OFF(sp)
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−    REG_S    a2, A2OFF(sp)
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−    REG_S    a3, A3OFF(sp)
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−    REG_S    a4, A4OFF(sp)
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−    REG_S    a5, A5OFF(sp)
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−    REG_S    a6, A6OFF(sp)
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−    REG_S    a7, A7OFF(sp)
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−    REG_S    ra, RAOFF(sp)
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−
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−    s.d      $f13, F13OFF(sp)
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−    s.d      $f14, F14OFF(sp)
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−    s.d      $f15, F15OFF(sp)
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−    s.d      $f16, F16OFF(sp)
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−    s.d      $f17, F17OFF(sp)
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−    s.d      $f18, F18OFF(sp)
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−    s.d      $f19, F19OFF(sp)
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−
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−    # t0 is methodIndex
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−    move     a1, t0
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−
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−    # a2 is stack address where extra function params
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−    # are stored that do not fit in registers
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−    move     a2, sp
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−    PTR_ADDI a2, FRAMESZ
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−
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−    # a3 is stack address of a1..a7
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−    move     a3, sp
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−    PTR_ADDI a3, A1OFF
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−
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−    # a4 is stack address of f13..f19
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−    move     a4, sp
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−    PTR_ADDI a4, F13OFF
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−
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−    # PrepareAndDispatch(that, methodIndex, args, gprArgs, fpArgs)
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−    #                     a0       a1        a2     a3       a4
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−    #
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−    jal      PrepareAndDispatch
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−
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−    REG_L    ra, RAOFF(sp)
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−    RESTORE_GP64
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−
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−    PTR_ADDU sp, FRAMESZ
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−    j        ra
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−    END(dummy)