1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/xpcom/reflect/xptcall/src/md/unix/xptcinvoke_asm_aarch64.s Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,67 @@
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 +
1.9 + .section ".text"
1.10 + .globl _NS_InvokeByIndex
1.11 + .type _NS_InvokeByIndex,@function
1.12 +
1.13 +/*
1.14 + * _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
1.15 + * uint32_t paramCount, nsXPTCVariant* params)
1.16 + */
1.17 +
1.18 +_NS_InvokeByIndex:
1.19 + # set up frame
1.20 + stp x29, x30, [sp,#-32]!
1.21 + mov x29, sp
1.22 + stp x19, x20, [sp,#16]
1.23 +
1.24 + # save methodIndex across function calls
1.25 + mov w20, w1
1.26 +
1.27 + # end of stack area passed to invoke_copy_to_stack
1.28 + mov x1, sp
1.29 +
1.30 + # assume 8 bytes of stack for each argument with 16-byte alignment
1.31 + add w19, w2, #1
1.32 + and w19, w19, #0xfffffffe
1.33 + sub sp, sp, w19, uxth #3
1.34 +
1.35 + # temporary place to store args passed in r0-r7,v0-v7
1.36 + sub sp, sp, #128
1.37 +
1.38 + # save 'that' on stack
1.39 + str x0, [sp]
1.40 +
1.41 + # start of stack area passed to invoke_copy_to_stack
1.42 + mov x0, sp
1.43 + bl invoke_copy_to_stack
1.44 +
1.45 + # load arguments passed in r0-r7
1.46 + ldp x6, x7, [sp, #48]
1.47 + ldp x4, x5, [sp, #32]
1.48 + ldp x2, x3, [sp, #16]
1.49 + ldp x0, x1, [sp],#64
1.50 +
1.51 + # load arguments passed in v0-v7
1.52 + ldp d6, d7, [sp, #48]
1.53 + ldp d4, d5, [sp, #32]
1.54 + ldp d2, d3, [sp, #16]
1.55 + ldp d0, d1, [sp],#64
1.56 +
1.57 + # call the method
1.58 + ldr x16, [x0]
1.59 + add x16, x16, w20, uxth #3
1.60 + ldr x16, [x16]
1.61 + blr x16
1.62 +
1.63 + add sp, sp, w19, uxth #3
1.64 + ldp x19, x20, [sp,#16]
1.65 + ldp x29, x30, [sp],#32
1.66 + ret
1.67 +
1.68 + .size _NS_InvokeByIndex, . - _NS_InvokeByIndex
1.69 +
1.70 +
