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26 
27 #ifndef TEST_TEST_H_
28 #define TEST_TEST_H_
29 
30 #include "utils-vixl.h"
31 #include "aarch64/instructions-aarch64.h"
32 
33 namespace vixl {
34 
35 // Each actual test is represented by a Test instance.
36 // Tests are appended to a static linked list upon creation.
37 class Test {
38  public:
39   // Most tests require no per-test configuration, and so take no arguments. A
40   // few tests require dynamic configuration, and are passed a `Test` object.
41   template <typename Fn>
Test(const char * name,Fn * callback)42   Test(const char* name, Fn* callback)
43       : name_(name), sve_vl_(aarch64::kZRegMinSize), next_(NULL) {
44     set_callback(callback);
45     // Append this test to the linked list.
46     if (first_ == NULL) {
47       VIXL_ASSERT(last_ == NULL);
48       first_ = this;
49     } else {
50       last_->next_ = this;
51     }
52     last_ = this;
53   }
54 
name()55   const char* name() { return name_; }
56   void run();
57 
58   // The SVE vector length can be configured by each test, based on either
59   // hardware feature detection (in the test itself) or Simulator configuration.
sve_vl_in_bits()60   int sve_vl_in_bits() const { return sve_vl_; }
set_sve_vl_in_bits(unsigned sve_vl)61   void set_sve_vl_in_bits(unsigned sve_vl) {
62     VIXL_ASSERT(sve_vl >= aarch64::kZRegMinSize);
63     VIXL_ASSERT(sve_vl <= aarch64::kZRegMaxSize);
64     VIXL_ASSERT((sve_vl % aarch64::kZRegMinSize) == 0);
65     sve_vl_ = sve_vl;
66   }
67 
sve_vl_in_bytes()68   int sve_vl_in_bytes() const {
69     VIXL_ASSERT((sve_vl_ % kBitsPerByte) == 0);
70     return sve_vl_ / kBitsPerByte;
71   }
72 
first()73   static Test* first() { return first_; }
last()74   static Test* last() { return last_; }
next()75   Test* next() { return next_; }
verbose()76   static bool verbose() { return verbose_; }
set_verbose(bool value)77   static void set_verbose(bool value) { verbose_ = value; }
trace_sim()78   static bool trace_sim() { return trace_sim_; }
set_trace_sim(bool value)79   static void set_trace_sim(bool value) { trace_sim_ = value; }
trace_reg()80   static bool trace_reg() { return trace_reg_; }
set_trace_reg(bool value)81   static void set_trace_reg(bool value) { trace_reg_ = value; }
trace_write()82   static bool trace_write() { return trace_write_; }
set_trace_write(bool value)83   static void set_trace_write(bool value) { trace_write_ = value; }
trace_branch()84   static bool trace_branch() { return trace_branch_; }
set_trace_branch(bool value)85   static void set_trace_branch(bool value) { trace_branch_ = value; }
disassemble()86   static bool disassemble() { return disassemble_; }
set_disassemble(bool value)87   static void set_disassemble(bool value) { disassemble_ = value; }
disassemble_infrastructure()88   static bool disassemble_infrastructure() {
89     return disassemble_infrastructure_;
90   }
set_disassemble_infrastructure(bool value)91   static void set_disassemble_infrastructure(bool value) {
92     disassemble_infrastructure_ = value;
93   }
coloured_trace()94   static bool coloured_trace() { return coloured_trace_; }
set_coloured_trace(bool value)95   static void set_coloured_trace(bool value) { coloured_trace_ = value; }
generate_test_trace()96   static bool generate_test_trace() { return generate_test_trace_; }
set_generate_test_trace(bool value)97   static void set_generate_test_trace(bool value) {
98     generate_test_trace_ = value;
99   }
100 
101   typedef void(TestFunction)();
102   typedef void(TestFunctionWithConfig)(Test* config);
103 
104  private:
105   const char* name_;
106 
107   TestFunction* callback_;
108   TestFunctionWithConfig* callback_with_config_;
109 
110   void set_callback(TestFunction* callback);
111   void set_callback(TestFunctionWithConfig* callback);
112 
113   int sve_vl_;
114 
115   static Test* first_;
116   static Test* last_;
117   Test* next_;
118   static bool verbose_;
119   static bool trace_sim_;
120   static bool trace_reg_;
121   static bool trace_write_;
122   static bool trace_branch_;
123   static bool disassemble_;
124   static bool disassemble_infrastructure_;
125   static bool coloured_trace_;
126   static bool generate_test_trace_;
127 };
128 
129 // Define helper macros for test files.
130 
131 // Macro to register a test. It instantiates a Test and registers its
132 // callback function.
133 #define TEST_(Name)                     \
134   void Test##Name();                    \
135   Test test_##Name(#Name, &Test##Name); \
136   void Test##Name()
137 }  // namespace vixl
138 
139 #endif  // TEST_TEST_H_
140