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https://repo.dactyloidae.xyz/Dactyloidae/UXP.git
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67 lines
2.2 KiB
ArmAsm
67 lines
2.2 KiB
ArmAsm
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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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.section ".text"
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.globl _NS_InvokeByIndex
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.type _NS_InvokeByIndex,@function
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/*
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* _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
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* uint32_t paramCount, nsXPTCVariant* params)
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*/
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_NS_InvokeByIndex:
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# set up frame
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stp x29, x30, [sp,#-32]!
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mov x29, sp
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stp x19, x20, [sp,#16]
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# save methodIndex across function calls
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mov w20, w1
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# end of stack area passed to invoke_copy_to_stack
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mov x1, sp
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# assume 8 bytes of stack for each argument with 16-byte alignment
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add w19, w2, #1
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and w19, w19, #0xfffffffe
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sub sp, sp, w19, uxth #3
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# temporary place to store args passed in r0-r7,v0-v7
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sub sp, sp, #128
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# save 'that' on stack
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str x0, [sp]
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# start of stack area passed to invoke_copy_to_stack
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mov x0, sp
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bl invoke_copy_to_stack
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# load arguments passed in r0-r7
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ldp x6, x7, [sp, #48]
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ldp x4, x5, [sp, #32]
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ldp x2, x3, [sp, #16]
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ldp x0, x1, [sp],#64
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# load arguments passed in v0-v7
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ldp d6, d7, [sp, #48]
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ldp d4, d5, [sp, #32]
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ldp d2, d3, [sp, #16]
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ldp d0, d1, [sp],#64
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# call the method
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ldr x16, [x0]
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add x16, x16, w20, uxth #3
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ldr x16, [x16]
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blr x16
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add sp, sp, w19, uxth #3
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ldp x19, x20, [sp,#16]
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ldp x29, x30, [sp],#32
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ret
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.size _NS_InvokeByIndex, . - _NS_InvokeByIndex
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