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1 /*
2  * Copyright © 2014 Intel Corporation
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 (including the next
12  * paragraph) shall be included in all copies or substantial portions of the
13  * Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #pragma once
25 
26 #include "compiler/glsl/list.h"
27 
28 #ifdef __cplusplus
29 extern "C" {
30 #endif
31 
32 struct elk_cfg_t;
33 struct elk_backend_instruction;
34 struct intel_device_info;
35 
36 struct inst_group {
37    struct exec_node link;
38 
39    int offset;
40 
41    size_t error_length;
42    char *error;
43 
44    /* Pointers to the basic block in the CFG if the instruction group starts
45     * or ends a basic block.
46     */
47    struct elk_bblock_t *block_start;
48    struct elk_bblock_t *block_end;
49 
50    /* Annotation for the generated IR.  One of the two can be set. */
51    const void *ir;
52    const char *annotation;
53 };
54 
55 struct elk_disasm_info {
56    struct exec_list group_list;
57 
58    const struct elk_isa_info *isa;
59    const struct elk_cfg_t *cfg;
60 
61    /** Block index in the cfg. */
62    int cur_block;
63    bool use_tail;
64 };
65 
66 void
67 elk_dump_assembly(void *assembly, int start_offset, int end_offset,
68               struct elk_disasm_info *disasm, const unsigned *block_latency);
69 
70 struct elk_disasm_info *
71 elk_disasm_initialize(const struct elk_isa_info *isa,
72                   const struct elk_cfg_t *cfg);
73 
74 struct inst_group *
75 elk_disasm_new_inst_group(struct elk_disasm_info *disasm, unsigned offset);
76 
77 void
78 elk_disasm_annotate(struct elk_disasm_info *disasm,
79                 struct elk_backend_instruction *inst, unsigned offset);
80 
81 void
82 elk_disasm_insert_error(struct elk_disasm_info *disasm, unsigned offset,
83                     unsigned inst_size, const char *error);
84 
85 #ifdef __cplusplus
86 } /* extern "C" */
87 #endif
88