| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You under the Apache License, Version 2.0 |
| // (the "License"); you may not use this file except in compliance with |
| // the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| // |
| // Author: Ivan Volosyuk |
| // |
| .text |
| .align 2 |
| .globl invokeJNI |
| .type invokeJNI, @function |
| invokeJNI: |
| // rdi - memory |
| // rsi - n fp args |
| // rdx - n mem args |
| // rcx - function ptr |
| |
| push %rbp |
| mov %rsp, %rbp |
| |
| // cycle to fill all fp args |
| movq 8(%rdi), %xmm0 |
| movq 16(%rdi), %xmm1 |
| movq 24(%rdi), %xmm2 |
| movq 32(%rdi), %xmm3 |
| movq 40(%rdi), %xmm4 |
| movq 48(%rdi), %xmm5 |
| movq 56(%rdi), %xmm6 |
| movq 64(%rdi), %xmm7 |
| |
| mov %rsp, %r10 // Check that stack is aligned on |
| and $8, %r10 // 16 bytes. This code may be removed |
| jz no_abort // when we are sure that compiler always |
| int3 // calls us with aligned stack |
| no_abort: |
| mov %rdx, %r10 // Align stack on 16 bytes before pushing |
| and $1, %r10 // stack arguments in case we have an odd |
| shl $3, %r10 // number of stack arguments |
| sub %r10, %rsp |
| // store memory args |
| movq %rcx, %r10 // func ptr |
| movq %rdx, %rcx // counter |
| lea 8+64+48-8(%rdi,%rcx,8), %rdx |
| sub %rsp, %rdx |
| cmpq $0, %rcx |
| jz cycle_end |
| cycle: |
| push 0(%rsp,%rdx) |
| loop cycle |
| cycle_end: |
| movq 80(%rdi), %rsi |
| movq 88(%rdi), %rdx |
| movq 96(%rdi), %rcx |
| movq 104(%rdi), %r8 |
| movq 112(%rdi), %r9 |
| |
| movq 72(%rdi), %rdi |
| |
| call *%r10 |
| leave |
| ret |
| |
| |
| |
