| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed 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. |
| */ |
| |
| #ifndef ART_RUNTIME_ARCH_MIPS64_ASM_SUPPORT_MIPS64_S_ |
| #define ART_RUNTIME_ARCH_MIPS64_ASM_SUPPORT_MIPS64_S_ |
| |
| #include "asm_support_mips64.h" |
| |
| // Define special registers. |
| |
| // Register holding suspend check count down. |
| #define rSUSPEND $s0 |
| // Register holding Thread::Current(). |
| #define rSELF $s1 |
| |
| |
| // Declare a function called name, sets up $gp. |
| // This macro modifies t8. |
| .macro ENTRY name |
| .type \name, %function |
| .global \name |
| // Cache alignment for function entry. |
| .balign 16 |
| \name: |
| .cfi_startproc |
| // Set up $gp and store the previous $gp value to $t8. It will be pushed to the |
| // stack after the frame has been constructed. |
| .cpsetup $t9, $t8, \name |
| // Ensure we get a sane starting CFA. |
| .cfi_def_cfa $sp,0 |
| // Declare a local convenience label to be branched to when $gp is already set up. |
| .L\name\()_gp_set: |
| .endm |
| |
| // Declare a function called name, doesn't set up $gp. |
| .macro ENTRY_NO_GP name |
| .type \name, %function |
| .global \name |
| // Cache alignment for function entry. |
| .balign 16 |
| \name: |
| .cfi_startproc |
| // Ensure we get a sane starting CFA. |
| .cfi_def_cfa $sp,0 |
| .endm |
| |
| .macro END name |
| .cfi_endproc |
| .size \name, .-\name |
| .endm |
| |
| .macro UNIMPLEMENTED name |
| ENTRY \name |
| break |
| break |
| END \name |
| .endm |
| |
| // Macros to poison (negate) the reference for heap poisoning. |
| .macro POISON_HEAP_REF rRef |
| #ifdef USE_HEAP_POISONING |
| subu \rRef, $zero, \rRef |
| #endif // USE_HEAP_POISONING |
| .endm |
| |
| // Macros to unpoison (negate) the reference for heap poisoning. |
| .macro UNPOISON_HEAP_REF rRef |
| #ifdef USE_HEAP_POISONING |
| subu \rRef, $zero, \rRef |
| #endif // USE_HEAP_POISONING |
| .endm |
| |
| #endif // ART_RUNTIME_ARCH_MIPS64_ASM_SUPPORT_MIPS64_S_ |