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      1 // Copyright 2016, VIXL authors
      2 // All rights reserved.
      3 //
      4 // Redistribution and use in source and binary forms, with or without
      5 // modification, are permitted provided that the following conditions are met:
      6 //
      7 //   * Redistributions of source code must retain the above copyright notice,
      8 //     this list of conditions and the following disclaimer.
      9 //   * Redistributions in binary form must reproduce the above copyright notice,
     10 //     this list of conditions and the following disclaimer in the documentation
     11 //     and/or other materials provided with the distribution.
     12 //   * Neither the name of ARM Limited nor the names of its contributors may be
     13 //     used to endorse or promote products derived from this software without
     14 //     specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
     17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     18 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     19 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
     20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     23 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26 
     27 #include "test-runner.h"
     28 #include "test-utils-aarch64.h"
     29 
     30 #include "aarch64/abi-aarch64.h"
     31 
     32 #if (__cplusplus >= 201103L) && !defined(VIXL_HAS_ABI_SUPPORT)
     33 #error "C++11 should be sufficient to provide ABI support."
     34 #endif  // #if (__cplusplus >= 201103L) && !defined(VIXL_HAS_ABI_SUPPORT)
     35 
     36 #ifdef VIXL_HAS_ABI_SUPPORT
     37 
     38 #define TEST(name) TEST_(AARCH64_ABI_##name)
     39 
     40 namespace vixl {
     41 namespace aarch64 {
     42 
     43 
     44 TEST(abi) {
     45   ABI abi;
     46 
     47   VIXL_CHECK(abi.GetStackSpaceRequired() == 0);
     48   VIXL_CHECK(!abi.GetReturnGenericOperand<void>().IsValid());
     49 
     50   VIXL_CHECK(abi.GetReturnGenericOperand<bool>().Equals(GenericOperand(w0)));
     51   VIXL_CHECK(abi.GetReturnGenericOperand<char>().Equals(GenericOperand(w0)));
     52   VIXL_CHECK(abi.GetReturnGenericOperand<int8_t>().Equals(GenericOperand(w0)));
     53   VIXL_CHECK(abi.GetReturnGenericOperand<uint8_t>().Equals(GenericOperand(w0)));
     54   VIXL_CHECK(
     55       abi.GetReturnGenericOperand<short>().Equals(  // NOLINT(runtime/int)
     56           GenericOperand(w0)));
     57   VIXL_CHECK(abi.GetReturnGenericOperand<int16_t>().Equals(GenericOperand(w0)));
     58   VIXL_CHECK(
     59       abi.GetReturnGenericOperand<uint16_t>().Equals(GenericOperand(w0)));
     60   VIXL_CHECK(abi.GetReturnGenericOperand<int>().Equals(GenericOperand(w0)));
     61   VIXL_CHECK(abi.GetReturnGenericOperand<int32_t>().Equals(GenericOperand(w0)));
     62   VIXL_CHECK(
     63       abi.GetReturnGenericOperand<uint32_t>().Equals(GenericOperand(w0)));
     64   VIXL_CHECK(abi.GetReturnGenericOperand<int64_t>().Equals(GenericOperand(x0)));
     65   VIXL_CHECK(
     66       abi.GetReturnGenericOperand<uint64_t>().Equals(GenericOperand(x0)));
     67 
     68   VIXL_CHECK(abi.GetReturnGenericOperand<float>().Equals(GenericOperand(s0)));
     69   VIXL_CHECK(abi.GetReturnGenericOperand<double>().Equals(GenericOperand(d0)));
     70 
     71   GenericOperand found(NoReg);
     72   GenericOperand expected(NoReg);
     73 #define CHECK_NEXT_PARAMETER_REG(type, reg)           \
     74   found = abi.GetNextParameterGenericOperand<type>(); \
     75   expected = GenericOperand(reg);                     \
     76   VIXL_CHECK(found.Equals(expected))
     77 // Slots on the stack are always 8 bytes.
     78 #define CHECK_NEXT_PARAMETER_MEM(type, mem_op, size)  \
     79   found = abi.GetNextParameterGenericOperand<type>(); \
     80   expected = GenericOperand(mem_op, size);            \
     81   VIXL_CHECK(found.Equals(expected))
     82 
     83   abi.Reset();
     84   CHECK_NEXT_PARAMETER_REG(int, w0);
     85   CHECK_NEXT_PARAMETER_REG(char, w1);
     86   CHECK_NEXT_PARAMETER_REG(bool, w2);
     87   CHECK_NEXT_PARAMETER_REG(float, s0);
     88   CHECK_NEXT_PARAMETER_REG(double, d1);
     89   CHECK_NEXT_PARAMETER_REG(double, d2);
     90   CHECK_NEXT_PARAMETER_REG(float, s3);
     91   CHECK_NEXT_PARAMETER_REG(int64_t, x3);
     92   CHECK_NEXT_PARAMETER_REG(uint64_t, x4);
     93   CHECK_NEXT_PARAMETER_REG(void*, x5);
     94   CHECK_NEXT_PARAMETER_REG(uint32_t, w6);
     95   typedef short my_type;  // NOLINT(runtime/int)
     96   CHECK_NEXT_PARAMETER_REG(my_type, w7);
     97   CHECK_NEXT_PARAMETER_MEM(int, MemOperand(sp, 0), kWRegSizeInBytes);
     98   CHECK_NEXT_PARAMETER_MEM(int, MemOperand(sp, 8), kWRegSizeInBytes);
     99   CHECK_NEXT_PARAMETER_REG(double, d4);
    100   CHECK_NEXT_PARAMETER_REG(double, d5);
    101   CHECK_NEXT_PARAMETER_REG(double, d6);
    102   CHECK_NEXT_PARAMETER_REG(double, d7);
    103   CHECK_NEXT_PARAMETER_MEM(double, MemOperand(sp, 16), kDRegSizeInBytes);
    104   CHECK_NEXT_PARAMETER_MEM(bool, MemOperand(sp, 24), kWRegSizeInBytes);
    105   CHECK_NEXT_PARAMETER_MEM(short,  // NOLINT(runtime/int)
    106                            MemOperand(sp, 32),
    107                            kWRegSizeInBytes);
    108   CHECK_NEXT_PARAMETER_MEM(float, MemOperand(sp, 40), kSRegSizeInBytes);
    109   CHECK_NEXT_PARAMETER_MEM(float, MemOperand(sp, 48), kSRegSizeInBytes);
    110   VIXL_CHECK(abi.GetStackSpaceRequired() == 56);
    111 }
    112 }
    113 }  // namespace vixl::aarch64
    114 
    115 #endif  // VIXL_ABI_SUPORT
    116