1//===- HexagonRelocationFunction.h ----------------------------------------===//
2//
3//                     The MCLinker Project
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9#ifndef TARGET_HEXAGON_HEXAGONRELOCATIONFUNCTIONS_H_
10#define TARGET_HEXAGON_HEXAGONRELOCATIONFUNCTIONS_H_
11
12typedef struct {
13  const char* insnSyntax;
14  uint32_t insnMask;
15  uint32_t insnCmpMask;
16  uint32_t insnBitMask;
17  bool isDuplex;
18} Instruction;
19
20//===--------------------------------------------------------------------===//
21// Relocation helper function
22//===--------------------------------------------------------------------===//
23template<typename T1, typename T2>
24T1 ApplyMask(T2 pMask, T1 pData) {
25  T1 result = 0;
26  size_t off = 0;
27
28  for (size_t bit = 0; bit != sizeof (T1) * 8; ++bit) {
29    const bool valBit = (pData >> off) & 1;
30    const bool maskBit = (pMask >> bit) & 1;
31    if (maskBit) {
32      result |= static_cast<T1>(valBit) << bit;
33      ++off;
34    }
35  }
36  return result;
37}
38
39#define DECL_HEXAGON_APPLY_RELOC_FUNC(Name)                \
40  static HexagonRelocator::Result Name(Relocation& pEntry, \
41                                       HexagonRelocator& pParent);
42
43#define DECL_HEXAGON_APPLY_RELOC_FUNCS            \
44  DECL_HEXAGON_APPLY_RELOC_FUNC(none)             \
45  DECL_HEXAGON_APPLY_RELOC_FUNC(relocPCREL)       \
46  DECL_HEXAGON_APPLY_RELOC_FUNC(relocGPREL)       \
47  DECL_HEXAGON_APPLY_RELOC_FUNC(relocAbs)         \
48  DECL_HEXAGON_APPLY_RELOC_FUNC(relocPLTB22PCREL) \
49  DECL_HEXAGON_APPLY_RELOC_FUNC(relocGOTREL)      \
50  DECL_HEXAGON_APPLY_RELOC_FUNC(relocGOT)         \
51  DECL_HEXAGON_APPLY_RELOC_FUNC(unsupported)
52
53#define DECL_HEXAGON_APPLY_RELOC_FUNC_PTRS             \
54  { &none,             0, "R_HEX_NONE"              }, \
55  { &relocPCREL,       1, "R_HEX_B22_PCREL"         }, \
56  { &relocPCREL,       2, "R_HEX_B15_PCREL"         }, \
57  { &relocPCREL,       3, "R_HEX_B7_PCREL"          }, \
58  { &relocAbs,         4, "R_HEX_LO16"              }, \
59  { &relocAbs,         5, "R_HEX_HI16"              }, \
60  { &relocAbs,         6, "R_HEX_32"                }, \
61  { &relocAbs,         7, "R_HEX_16"                }, \
62  { &relocAbs,         8, "R_HEX_8"                 }, \
63  { &relocGPREL,       9, "R_HEX_GPREL16_0"         }, \
64  { &relocGPREL,       10, "R_HEX_GPREL16_1"        }, \
65  { &relocGPREL,       11, "R_HEX_GPREL16_2"        }, \
66  { &relocGPREL,       12, "R_HEX_GPREL16_3"        }, \
67  { &unsupported,      13, "R_HEX_HL16"             }, \
68  { &relocPCREL,       14, "R_HEX_B13_PCREL"        }, \
69  { &relocPCREL,       15, "R_HEX_B9_PCREL"         }, \
70  { &relocPCREL,       16, "R_HEX_B32_PCREL_X"      }, \
71  { &relocAbs,         17, "R_HEX_32_6_X"           }, \
72  { &relocPCREL,       18, "R_HEX_B22_PCREL_X"      }, \
73  { &relocPCREL,       19, "R_HEX_B15_PCREL_X"      }, \
74  { &relocPCREL,       20, "R_HEX_B13_PCREL_X"      }, \
75  { &relocPCREL,       21, "R_HEX_B9_PCREL_X"       }, \
76  { &relocPCREL,       22, "R_HEX_B7_PCREL_X"       }, \
77  { &relocAbs,         23, "R_HEX_16_X"             }, \
78  { &relocAbs,         24, "R_HEX_12_X"             }, \
79  { &relocAbs,         25, "R_HEX_11_X"             }, \
80  { &relocAbs,         26, "R_HEX_10_X"             }, \
81  { &relocAbs,         27, "R_HEX_9_X"              }, \
82  { &relocAbs,         28, "R_HEX_8_X"              }, \
83  { &relocAbs,         29, "R_HEX_7_X"              }, \
84  { &relocAbs,         30, "R_HEX_6_X"              }, \
85  { &relocPCREL,       31, "R_HEX_32_PCREL"         }, \
86  { &none,             32, "R_HEX_COPY"             }, \
87  { &none,             33, "R_HEX_GLOB_DAT"         }, \
88  { &none,             34, "R_HEX_JMP_SLOT"         }, \
89  { &none,             35, "R_HEX_RELATIVE"         }, \
90  { &relocPLTB22PCREL, 36, "R_HEX_PLT_B22_PCREL"    }, \
91  { &relocGOTREL,      37, "R_HEX_GOTREL_LO16"      }, \
92  { &relocGOTREL,      38, "R_HEX_GOTREL_HI16"      }, \
93  { &relocGOTREL,      39, "R_HEX_GOTREL_32"        }, \
94  { &relocGOT,         40, "R_HEX_GOT_LO16"         }, \
95  { &relocGOT,         41, "R_HEX_GOT_HI16"         }, \
96  { &relocGOT,         42, "R_HEX_GOT_32"           }, \
97  { &relocGOT,         43, "R_HEX_GOT_16"           }, \
98  { &unsupported,      44, "R_HEX_DTPMOD_32"        }, \
99  { &unsupported,      45, "R_HEX_DTPREL_LO16"      }, \
100  { &unsupported,      46, "R_HEX_DTPREL_HI16"      }, \
101  { &unsupported,      47, "R_HEX_DTPREL_32"        }, \
102  { &unsupported,      48, "R_HEX_DTPREL_16"        }, \
103  { &unsupported,      49, "R_HEX_GD_PLT_B22_PCREL" }, \
104  { &unsupported,      50, "R_HEX_GD_GOT_LO16"      }, \
105  { &unsupported,      51, "R_HEX_GD_GOT_HI16"      }, \
106  { &unsupported,      52, "R_HEX_GD_GOT_32"        }, \
107  { &unsupported,      53, "R_HEX_GD_GOT_16"        }, \
108  { &unsupported,      54, "R_HEX_IE_LO16"          }, \
109  { &unsupported,      55, "R_HEX_IE_HI16"          }, \
110  { &unsupported,      56, "R_HEX_IE_32"            }, \
111  { &unsupported,      57, "R_HEX_IE_GOT_LO16"      }, \
112  { &unsupported,      58, "R_HEX_IE_GOT_HI16"      }, \
113  { &unsupported,      59, "R_HEX_IE_GOT_32"        }, \
114  { &unsupported,      60, "R_HEX_IE_GOT_16"        }, \
115  { &unsupported,      61, "R_HEX_TPREL_LO16"       }, \
116  { &unsupported,      62, "R_HEX_TPREL_HI16"       }, \
117  { &unsupported,      63, "R_HEX_TPREL_32"         }, \
118  { &unsupported,      64, "R_HEX_TPREL_16"         }, \
119  { &relocPCREL,       65, "R_HEX_6_PCREL_X"        }, \
120  { &relocGOTREL,      66, "R_HEX_GOTREL_32_6_X"    }, \
121  { &relocGOTREL,      67, "R_HEX_GOTREL_16_X"      }, \
122  { &relocGOTREL,      68, "R_HEX_GOTREL_11_X"      }, \
123  { &relocGOT,         69, "R_HEX_GOT_32_6_X"       }, \
124  { &relocGOT,         70, "R_HEX_GOT_16_X"         }, \
125  { &relocGOT,         71, "R_HEX_GOT_11_X"         }, \
126  { &unsupported,      72, "R_HEX_DTPREL_32_6_X"    }, \
127  { &unsupported,      73, "R_HEX_DTPREL_16_X"      }, \
128  { &unsupported,      74, "R_HEX_DTPREL_11_X"      }, \
129  { &unsupported,      75, "R_HEX_GD_GOT_32_6_X"    }, \
130  { &unsupported,      76, "R_HEX_GD_GOT_16_X"      }, \
131  { &unsupported,      77, "R_HEX_GD_GOT_11_X"      }, \
132  { &unsupported,      78, "R_HEX_IE_32_6_X"        }, \
133  { &unsupported,      79, "R_HEX_IE_16_X"          }, \
134  { &unsupported,      80, "R_HEX_IE_GOT_32_6_X"    }, \
135  { &unsupported,      81, "R_HEX_IE_GOT_16_X"      }, \
136  { &unsupported,      82, "R_HEX_IE_GOT_11_X"      }, \
137  { &unsupported,      83, "R_HEX_TPREL_32_6_X"     }, \
138  { &unsupported,      84, "R_HEX_TPREL_16_X"       }, \
139  { &unsupported,      85, "R_HEX_TPREL_11_X"       }
140
141#endif  // TARGET_HEXAGON_HEXAGONRELOCATIONFUNCTIONS_H_
142