module.hpp revision c6db1b3396384186aab5b685fe1fd540e17b3a62 
1//
2// Copyright 2012 Francisco Jerez
3//
4// Permission is hereby granted, free of charge, to any person obtaining a
5// copy of this software and associated documentation files (the "Software"),
6// to deal in the Software without restriction, including without limitation
7// the rights to use, copy, modify, merge, publish, distribute, sublicense,
8// and/or sell copies of the Software, and to permit persons to whom the
9// Software is furnished to do so, subject to the following conditions:
10//
11// The above copyright notice and this permission notice shall be included in
12// all copies or substantial portions of the Software.
13//
14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17// THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
18// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
19// OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20// SOFTWARE.
21//
22
23#ifndef __CORE_MODULE_HPP__
24#define __CORE_MODULE_HPP__
25
26#include "core/compat.hpp"
27
28namespace clover {
29   struct module {
30      class noent_error {
31      public:
32         virtual ~noent_error() {}
33      };
34
35      typedef uint32_t resource_id;
36      typedef uint32_t size_t;
37
38      struct section {
39         enum type {
40            text,
41            data_constant,
42            data_global,
43            data_local,
44            data_private
45         };
46
47         resource_id id;
48         type type;
49         size_t size;
50         clover::compat::vector<char> data;
51      };
52
53      struct argument {
54         enum type {
55            scalar,
56            constant,
57            global,
58            local,
59            image2d_rd,
60            image2d_wr,
61            image3d_rd,
62            image3d_wr,
63            sampler
64         };
65
66         type type;
67         size_t size;
68      };
69
70      struct symbol {
71         clover::compat::vector<char> name;
72         resource_id section;
73         size_t offset;
74         clover::compat::vector<argument> args;
75      };
76
77      void serialize(compat::ostream &os) const;
78      static module deserialize(compat::istream &is);
79
80      /// Look up a symbol by name.  Throws module::noent_error if not
81      /// found.
82      const symbol &sym(compat::string name) const;
83
84      /// Look up a section by type.  Throws module::noent_error if not
85      /// found.
86      const section &sec(typename section::type type) const;
87
88      clover::compat::vector<symbol> syms;
89      clover::compat::vector<section> secs;
90   };
91}
92
93#endif
94