Nicolai Hähnle
b3be346c68
Using an explicit linker instead of just concatenating .text sections will allow us to start using .rodata sections and explicit descriptions of data on LDS that is shared between stages. Reviewed-by: Marek Olšák <marek.olsak@amd.com>
116 lines
3.4 KiB
C
116 lines
3.4 KiB
C
/*
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* Copyright 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef AC_BINARY_H
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#define AC_BINARY_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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struct ac_shader_reloc {
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char name[32];
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uint64_t offset;
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};
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struct ac_shader_binary {
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unsigned code_size;
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unsigned config_size;
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/** The number of bytes of config information for each global symbol.
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*/
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unsigned config_size_per_symbol;
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unsigned rodata_size;
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unsigned global_symbol_count;
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unsigned reloc_count;
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/** Shader code */
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unsigned char *code;
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/** Config/Context register state that accompanies this shader.
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* This is a stream of dword pairs. First dword contains the
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* register address, the second dword contains the value.*/
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unsigned char *config;
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/** Constant data accessed by the shader. This will be uploaded
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* into a constant buffer. */
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unsigned char *rodata;
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/** List of symbol offsets for the shader */
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uint64_t *global_symbol_offsets;
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struct ac_shader_reloc *relocs;
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/** Disassembled shader in a string. */
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char *disasm_string;
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char *llvm_ir_string;
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};
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struct ac_shader_config {
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unsigned num_sgprs;
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unsigned num_vgprs;
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unsigned spilled_sgprs;
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unsigned spilled_vgprs;
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unsigned lds_size; /* in HW allocation units; i.e 256 bytes on SI, 512 bytes on CI+ */
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unsigned spi_ps_input_ena;
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unsigned spi_ps_input_addr;
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unsigned float_mode;
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unsigned scratch_bytes_per_wave;
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unsigned rsrc1;
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unsigned rsrc2;
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};
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/*
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* Parse the elf binary stored in \p elf_data and create a
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* ac_shader_binary object.
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*/
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bool ac_elf_read(const char *elf_data, unsigned elf_size,
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struct ac_shader_binary *binary);
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/**
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* @returns A pointer to the start of the configuration information for
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* the function starting at \p symbol_offset of the binary.
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*/
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const unsigned char *ac_shader_binary_config_start(
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const struct ac_shader_binary *binary,
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uint64_t symbol_offset);
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void ac_parse_shader_binary_config(const char *data, size_t nbytes,
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bool really_needs_scratch,
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struct ac_shader_config *conf);
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void ac_shader_binary_read_config(struct ac_shader_binary *binary,
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struct ac_shader_config *conf,
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unsigned symbol_offset,
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bool supports_spill);
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void ac_shader_binary_clean(struct ac_shader_binary *b);
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#ifdef __cplusplus
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}
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#endif
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#endif /* AC_BINARY_H */
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