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/*
* Copyright © 2020 Google, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef _ISASPEC_H_
#define _ISASPEC_H_
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include "util/bitset.h"
#ifdef __cplusplus
extern "C" {
#endif
struct isa_decode_value {
/** for {NAME} */
const char *str;
/** for all other fields */
uint64_t num;
};
struct isa_entrypoint {
const char *name;
uint32_t offset;
};
struct isa_print_state {
FILE *out;
/**
* Column number of current line
*/
unsigned line_column;
};
void isa_print(struct isa_print_state *state, const char *fmt, ...) PRINTFLIKE(2, 3);
struct isa_decode_options {
uint32_t gpu_id;
/** show errors detected in decoding, like unexpected dontcare bits */
bool show_errors;
/**
* If non-zero, maximum # of instructions that are unmatched before
* bailing, ie. to trigger stopping if we start trying to decode
* random garbage.
*/
unsigned max_errors;
/** Generate branch target labels */
bool branch_labels;
/**
* Flag which can be set, for ex, but decode hook to trigger end of
* decoding
*/
bool stop;
/**
* Data passed back to decode hooks
*/
void *cbdata;
/**
* Callback for field decode
*/
void (*field_cb)(void *data, const char *field_name, struct isa_decode_value *val);
/**
* Callback for fields that need custom code to print their value.
*/
void (*field_print_cb)(struct isa_print_state *print, const char *field_name, uint64_t val);
/**
* Callback prior to instruction decode
*/
void (*pre_instr_cb)(void *data, unsigned n, void *instr);
/**
* Callback after instruction decode
*/
void (*post_instr_cb)(void *data, unsigned n, void *instr);
/**
* callback for undefined instructions
*/
void (*no_match_cb)(FILE *out, const BITSET_WORD *bitset, size_t size);
/**
* List of known entrypoints to treat like call targets
*/
unsigned entrypoint_count;
const struct isa_entrypoint *entrypoints;
};
#ifdef __cplusplus
}
#endif
#endif /* _ISASPEC_H_ */
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