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comparison: xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips64.S
xpcom/reflect/xptcall/src/md/unix/xptcstubs_asm_mips64.S
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| 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 | |
| 8 LOCALSZ=16 | |
| 9 FRAMESZ=(((NARGSAVE+LOCALSZ)*SZREG)+ALSZ)&ALMASK | |
| 10 | |
| 11 A1OFF=FRAMESZ-(9*SZREG) | |
| 12 A2OFF=FRAMESZ-(8*SZREG) | |
| 13 A3OFF=FRAMESZ-(7*SZREG) | |
| 14 A4OFF=FRAMESZ-(6*SZREG) | |
| 15 A5OFF=FRAMESZ-(5*SZREG) | |
| 16 A6OFF=FRAMESZ-(4*SZREG) | |
| 17 A7OFF=FRAMESZ-(3*SZREG) | |
| 18 GPOFF=FRAMESZ-(2*SZREG) | |
| 19 RAOFF=FRAMESZ-(1*SZREG) | |
| 20 | |
| 21 F13OFF=FRAMESZ-(16*SZREG) | |
| 22 F14OFF=FRAMESZ-(15*SZREG) | |
| 23 F15OFF=FRAMESZ-(14*SZREG) | |
| 24 F16OFF=FRAMESZ-(13*SZREG) | |
| 25 F17OFF=FRAMESZ-(12*SZREG) | |
| 26 F18OFF=FRAMESZ-(11*SZREG) | |
| 27 F19OFF=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; \ | |
| 46 name:; \ | |
| 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 | |
| 59 dummy: | |
| 60 .frame sp, FRAMESZ, ra | |
| 61 .mask 0x90000FF0, RAOFF-FRAMESZ | |
| 62 .fmask 0x000FF000, F19OFF-FRAMESZ | |
| 63 | |
| 64 #include "xptcstubsdef.inc" | |
| 65 | |
| 66 sharedstub: | |
| 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 addi a2, FRAMESZ | |
| 92 | |
| 93 # a3 is stack address of a1..a7 | |
| 94 move a3, sp | |
| 95 addi a3, A1OFF | |
| 96 | |
| 97 # a4 is stack address of f13..f19 | |
| 98 move a4, sp | |
| 99 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) |
