blob: 139f5fe53994c294d3b4fb10011829f0aba50a7c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
|
/*! @file Target_aarch64.cc
* @brief Target_aarch64 Implementation
*
* This file contains the implementation of the base class for
* functions supporting target unique functionallity.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <rld.h>
#include "qemu-traces.h"
#include "Target_aarch64.h"
namespace Target {
Target_aarch64::Target_aarch64( std::string targetName ):
TargetBase( targetName )
{
conditionalBranchInstructions.push_back("cbnz");
conditionalBranchInstructions.push_back("cbz");
conditionalBranchInstructions.push_back("tbnz");
conditionalBranchInstructions.push_back("tbz");
conditionalBranchInstructions.push_back("b.eq");
conditionalBranchInstructions.push_back("b.ne");
conditionalBranchInstructions.push_back("b.cs");
conditionalBranchInstructions.push_back("b.hs");
conditionalBranchInstructions.push_back("b.cc");
conditionalBranchInstructions.push_back("b.lo");
conditionalBranchInstructions.push_back("b.mi");
conditionalBranchInstructions.push_back("b.pl");
conditionalBranchInstructions.push_back("b.vs");
conditionalBranchInstructions.push_back("b.vc");
conditionalBranchInstructions.push_back("b.hi");
conditionalBranchInstructions.push_back("b.ls");
conditionalBranchInstructions.push_back("b.ge");
conditionalBranchInstructions.push_back("b.lt");
conditionalBranchInstructions.push_back("b.gt");
conditionalBranchInstructions.push_back("b.le");
conditionalBranchInstructions.sort();
}
Target_aarch64::~Target_aarch64()
{
}
bool Target_aarch64::isNopLine(
const std::string& line,
int& size
)
{
size_t stringLen = line.length();
if ( line.substr( stringLen - 3 ) == "nop" ) {
size = 4;
return true;
}
if ( line.substr( stringLen - 6, 3 ) == "udf" ) {
size = 4;
return true;
}
// On ARM, there are literal tables at the end of methods.
// We need to avoid them.
if ( line.substr( stringLen - 10, 5 ) == ".byte" ) {
size = 1;
return true;
}
if ( line.substr( stringLen - 13, 6 ) == ".short" ) {
size = 2;
return true;
}
if ( line.substr( stringLen - 16, 5 ) == ".word" ) {
size = 4;
return true;
}
return false;
}
bool Target_aarch64::isBranch(
const std::string& instruction
)
{
throw rld::error(
"DETERMINE BRANCH INSTRUCTIONS FOR THIS ARCHITECTURE! -- fix me",
"Target_aarch64::isBranch"
);
}
uint8_t Target_aarch64::qemuTakenBit()
{
return TRACE_OP_BR1;
}
uint8_t Target_aarch64::qemuNotTakenBit()
{
return TRACE_OP_BR0;
}
TargetBase *Target_aarch64_Constructor(
std::string targetName
)
{
return new Target_aarch64( targetName );
}
}
|
