blob: 1ced3bfde123860d9f69a680a123102a8569ca10 (
plain)
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
|
//=====-- PIC16TargetAsmInfo.h - PIC16 asm properties ---------*- C++ -*--====//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file contains the declaration of the PIC16TargetAsmInfo class.
//
//===----------------------------------------------------------------------===//
#ifndef PIC16TARGETASMINFO_H
#define PIC16TARGETASMINFO_H
#include "PIC16.h"
#include "llvm/Target/TargetAsmInfo.h"
#include <vector>
#include "llvm/Module.h"
namespace llvm {
enum { DataBankSize = 80 };
// Forward declaration.
class PIC16TargetMachine;
class GlobalVariable;
/// PIC16 Splits the global data into mulitple udata and idata sections.
/// Each udata and idata section needs to contain a list of globals that
/// they contain, in order to avoid scanning over all the global values
/// again and printing only those that match the current section.
/// Keeping values inside the sections make printing a section much easier.
struct PIC16Section {
const Section *S_; // Connection to actual Section.
unsigned Size; // Total size of the objects contained.
bool SectionPrinted;
std::vector<const GlobalVariable*> Items;
PIC16Section(const Section *s) {
S_ = s;
Size = 0;
SectionPrinted = false;
}
bool isPrinted() const { return SectionPrinted; }
void setPrintedStatus(bool status) { SectionPrinted = status; }
};
struct PIC16TargetAsmInfo : public TargetAsmInfo {
std::string getSectionNameForSym(const std::string &Sym) const;
PIC16TargetAsmInfo(const PIC16TargetMachine &TM);
mutable std::vector<PIC16Section *> BSSSections;
mutable std::vector<PIC16Section *> IDATASections;
mutable std::vector<PIC16Section *> AutosSections;
mutable std::vector<PIC16Section *> ROSections;
mutable PIC16Section *ExternalVarDecls;
mutable PIC16Section *ExternalVarDefs;
virtual ~PIC16TargetAsmInfo();
private:
const char *RomData8bitsDirective;
const char *RomData16bitsDirective;
const char *RomData32bitsDirective;
const char *getRomDirective(unsigned size) const;
virtual const char *getDataASDirective(unsigned size, unsigned AS) const;
const Section *getBSSSectionForGlobal(const GlobalVariable *GV) const;
const Section *getIDATASectionForGlobal(const GlobalVariable *GV) const;
const Section *getSectionForAuto(const GlobalVariable *GV) const;
const Section *CreateBSSSectionForGlobal(const GlobalVariable *GV,
std::string Addr = "") const;
const Section *CreateIDATASectionForGlobal(const GlobalVariable *GV,
std::string Addr = "") const;
const Section *getROSectionForGlobal(const GlobalVariable *GV) const;
const Section *CreateROSectionForGlobal(const GlobalVariable *GV,
std::string Addr = "") const;
virtual const Section *SelectSectionForGlobal(const GlobalValue *GV,
SectionKind Kind) const;
const Section *CreateSectionForGlobal(const GlobalVariable *GV,
const std::string &Addr = "") const;
public:
void SetSectionForGVs(Module &M);
const std::vector<PIC16Section*> &getBSSSections() const {
return BSSSections;
}
const std::vector<PIC16Section*> &getIDATASections() const {
return IDATASections;
}
const std::vector<PIC16Section*> &getAutosSections() const {
return AutosSections;
}
const std::vector<PIC16Section*> &getROSections() const {
return ROSections;
}
/// getSpecialCasedSectionGlobals - Allow the target to completely override
/// section assignment of a global.
virtual const Section *
getSpecialCasedSectionGlobals(const GlobalValue *GV,
SectionKind Kind) const;
};
} // namespace llvm
#endif
|
