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
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
/*
* Copyright (c) 2012-2015 Advanced Micro Devices, Inc.
* All rights reserved.
*
* For use for simulation and test purposes only
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Author: Steve Reinhardt, Anthony Gutierrez
*/
#ifndef __BRIG_OBJECT_HH__
#define __BRIG_OBJECT_HH__
#include <cassert>
#include <cstdint>
#include <string>
#include <vector>
#include "arch/hsail/Brig.h"
#include "gpu-compute/hsa_object.hh"
#include "gpu-compute/hsail_code.hh"
class LabelMap;
class StorageMap;
/* @class BrigObject
* this class implements the BRIG loader object, and
* is used when the simulator directly executes HSAIL.
* this class is responsible for extracting all
* information about kernels contained in BRIG format
* and converts them to HsailCode objects that are
* usable by the simulator and emulated runtime.
*/
class BrigObject final : public HsaObject
{
public:
enum SectionIndex
{
DataSectionIndex,
CodeSectionIndex,
OperandsSectionIndex,
NumSectionIndices
};
static const char *sectionNames[];
struct SectionInfo
{
uint8_t *ptr;
int size;
};
static HsaObject* tryFile(const std::string &fname, int len,
uint8_t *fileData);
SectionInfo sectionInfo[NumSectionIndices];
const uint8_t *getSectionOffset(enum SectionIndex sec, int offs) const;
std::vector<HsailCode*> kernels;
std::vector<HsailCode*> functions;
std::string kern_block_name;
void processDirectives(const Brig::BrigBase *dirPtr,
const Brig::BrigBase *endPtr,
StorageMap *storageMap);
BrigObject(const std::string &fname, int len, uint8_t *fileData);
~BrigObject();
// eventually these will need to be per-kernel not per-object-file
StorageMap *storageMap;
LabelMap *labelMap;
const char* getString(int offs) const;
const Brig::BrigData* getBrigBaseData(int offs) const;
const uint8_t* getData(int offs) const;
const Brig::BrigBase* getCodeSectionEntry(int offs) const;
const Brig::BrigOperand* getOperand(int offs) const;
unsigned getOperandPtr(int offs, int index) const;
const Brig::BrigInstBase* getInst(int offs) const;
HsaCode* getKernel(const std::string &name) const override;
HsaCode* getFunction(const std::string &name) const override;
int numKernels() const override { return kernels.size(); }
HsaCode* getKernel(int i) const override { return kernels[i]; }
// pointer to the current kernel/function we're processing, so elements
// under construction can reference it. kinda ugly, but easier
// than passing it all over for the few places it's needed.
mutable HsailCode *currentCode;
};
// Utility function to bump Brig item pointer to next element given
// item size in bytes. Really just an add but with lots of casting.
template<typename T>
T*
brigNext(T *ptr)
{
Brig::BrigBase *base_ptr = (Brig::BrigBase*)ptr;
int size = base_ptr->byteCount;
assert(size);
return (T*)((uint8_t*)ptr + size);
}
#endif // __BRIG_OBJECT_HH__
|
