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