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https://github.com/nunuhara/xsystem4.git
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Nunuhara Cabbage
f7c9d9326d
Add 'step' (s) and 'next' (n) commands for single-stepping bytecode. 'step' is the 'step into' type which descends into function calls, wheras 'next' is the 'step over' type which continues until the next instruction within the current function.
85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
/* Copyright (C) 2019 Nunuhara Cabbage <nunuhara@haniwa.technology>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://gnu.org/licenses/>.
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*/
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#ifndef SYSTEM4_DEBUGGER_H
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#define SYSTEM4_DEBUGGER_H
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#ifdef DEBUGGER_ENABLED
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#include <stdbool.h>
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#include <stdint.h>
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#include "system4/instructions.h"
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#include "vm.h"
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#include "xsystem4.h"
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#define DBG_ERROR(fmt, ...) sys_warning("ERROR: " fmt "\n", ##__VA_ARGS__)
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struct ain_variable;
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struct breakpoint {
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enum opcode restore_op;
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void *data;
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void (*cb)(struct breakpoint*);
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char *message;
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int count;
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};
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struct dbg_cmd {
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const char *fullname;
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const char *shortname;
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const char *description;
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unsigned min_args;
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unsigned max_args;
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void (*run)(unsigned nr_args, char **args);
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};
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extern bool dbg_enabled;
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extern bool dbg_start_in_debugger;
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extern unsigned dbg_current_frame;
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void dbg_init(void);
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void dbg_fini(void);
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void dbg_repl(void);
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void dbg_continue(void);
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void dbg_quit(void);
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void dbg_start(void(*fun)(void*), void *data);
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void dbg_cmd_init(void);
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void dbg_cmd_repl(void);
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void dbg_cmd_add_module(const char *name, unsigned nr_commands, struct dbg_cmd *commands);
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void dbg_handle_breakpoint(void);
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bool dbg_set_function_breakpoint(const char *_name, void(*cb)(struct breakpoint*), void *data);
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bool dbg_set_address_breakpoint(uint32_t address, void(*cb)(struct breakpoint*), void *data);
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bool dbg_set_step_over_breakpoint(void);
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bool dbg_set_step_into_breakpoint(void);
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void dbg_print_frame(unsigned no);
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void dbg_print_stack_trace(void);
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void dbg_print_dasm(void);
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void dbg_print_stack(void);
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void dbg_print_vm_state(void);
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struct ain_variable *dbg_get_member(const char *name, union vm_value *val_out);
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struct ain_variable *dbg_get_local(const char *name, union vm_value *val_out);
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struct ain_variable *dbg_get_global(const char *name, union vm_value *val_out);
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struct ain_variable *dbg_get_variable(const char *name, union vm_value *val_out);
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struct string *dbg_value_to_string(struct ain_type *type, union vm_value value, int recursive);
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#ifdef HAVE_SCHEME
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void dbg_scm_init(void);
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void dbg_scm_fini(void);
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void dbg_scm_repl(void);
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#endif /* HAVE_SCHEME */
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#endif /* DEBUGGER_ENABLED */
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#endif /* SYSTEM4_DEBUGGER_H */
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