ac_binary.h revision 01e04c3f 
1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
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 FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24#ifndef AC_BINARY_H
25#define AC_BINARY_H
26
27#include <stdint.h>
28#include <stdbool.h>
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34struct ac_shader_reloc {
35	char name[32];
36	uint64_t offset;
37};
38
39struct ac_shader_binary {
40	unsigned code_size;
41	unsigned config_size;
42	/** The number of bytes of config information for each global symbol.
43	 */
44	unsigned config_size_per_symbol;
45	unsigned rodata_size;
46	unsigned global_symbol_count;
47	unsigned reloc_count;
48
49	/** Shader code */
50	unsigned char *code;
51
52	/** Config/Context register state that accompanies this shader.
53	 * This is a stream of dword pairs.  First dword contains the
54	 * register address, the second dword contains the value.*/
55	unsigned char *config;
56
57
58	/** Constant data accessed by the shader.  This will be uploaded
59	 * into a constant buffer. */
60	unsigned char *rodata;
61
62	/** List of symbol offsets for the shader */
63	uint64_t *global_symbol_offsets;
64
65	struct ac_shader_reloc *relocs;
66
67	/** Disassembled shader in a string. */
68	char *disasm_string;
69	char *llvm_ir_string;
70};
71
72struct ac_shader_config {
73	unsigned num_sgprs;
74	unsigned num_vgprs;
75	unsigned spilled_sgprs;
76	unsigned spilled_vgprs;
77	unsigned lds_size;
78	unsigned spi_ps_input_ena;
79	unsigned spi_ps_input_addr;
80	unsigned float_mode;
81	unsigned scratch_bytes_per_wave;
82};
83
84/*
85 * Parse the elf binary stored in \p elf_data and create a
86 * ac_shader_binary object.
87 */
88bool ac_elf_read(const char *elf_data, unsigned elf_size,
89		 struct ac_shader_binary *binary);
90
91/**
92 * @returns A pointer to the start of the configuration information for
93 * the function starting at \p symbol_offset of the binary.
94 */
95const unsigned char *ac_shader_binary_config_start(
96	const struct ac_shader_binary *binary,
97	uint64_t symbol_offset);
98
99void ac_shader_binary_read_config(struct ac_shader_binary *binary,
100				  struct ac_shader_config *conf,
101				  unsigned symbol_offset,
102				  bool supports_spill);
103void ac_shader_binary_clean(struct ac_shader_binary *b);
104
105#ifdef __cplusplus
106}
107#endif
108
109#endif /* AC_BINARY_H */
110