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/* |
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* mon.cpp - mon main program |
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* mon.cpp - cxmon main program |
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* |
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* mon (C) 1997-1999 Christian Bauer, Marc Hellwig |
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* cxmon (C) 1997-2000 Christian Bauer, Marc Hellwig |
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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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#include "sysdeps.h" |
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#ifdef HAVE_READLINE_READLINE_H |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <signal.h> |
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#include <ctype.h> |
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|
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#if defined(HAVE_READLINE_H) |
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extern "C" { |
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#include <readline.h> |
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} |
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#elif defined(HAVE_READLINE_READLINE_H) |
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extern "C" { |
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#include <readline/readline.h> |
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} |
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#endif |
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#ifdef HAVE_READLINE_HISTORY_H |
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#if defined(HAVE_HISTORY_H) |
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extern "C" { |
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#include <history.h> |
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} |
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#elif defined(HAVE_READLINE_HISTORY_H) |
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extern "C" { |
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#include <readline/history.h> |
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} |
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#include "mon.h" |
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#include "mon_cmd.h" |
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#include "version.h" |
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|
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#ifndef VERSION |
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#define VERSION "2" |
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#endif |
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// Buffer we're operating on |
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* Access to buffer |
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*/ |
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uint32 mon_read_byte(uint32 adr) |
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uint32 (*mon_read_byte)(uint32 adr); |
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|
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uint32 mon_read_byte_buffer(uint32 adr) |
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{ |
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if (mon_use_real_mem) |
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return *(uint8 *)adr; |
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else |
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return mem[adr % mon_mem_size]; |
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return mem[adr % mon_mem_size]; |
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} |
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void mon_write_byte(uint32 adr, uint32 b) |
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uint32 mon_read_byte_real(uint32 adr) |
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{ |
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if (mon_use_real_mem) |
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*(uint8 *)adr = b; |
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else |
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mem[adr % mon_mem_size] = b; |
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return *(uint8 *)adr; |
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} |
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|
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void (*mon_write_byte)(uint32 adr, uint32 b); |
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|
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void mon_write_byte_buffer(uint32 adr, uint32 b) |
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{ |
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mem[adr % mon_mem_size] = b; |
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} |
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|
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void mon_write_byte_real(uint32 adr, uint32 b) |
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{ |
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*(uint8 *)adr = b; |
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} |
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uint32 mon_read_half(uint32 adr) |
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{ |
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if (mon_use_real_mem) |
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return ntohs(*(uint16 *)adr); |
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else |
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return mem[adr % mon_mem_size] << 8 | mem[(adr+1) % mon_mem_size]; |
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return (mon_read_byte(adr) << 8) | mon_read_byte(adr+1); |
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} |
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void mon_write_half(uint32 adr, uint32 w) |
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{ |
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if (mon_use_real_mem) |
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*(uint16 *)adr = htons(w); |
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else { |
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mem[adr % mon_mem_size] = w >> 8; |
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mem[(adr+1) % mon_mem_size] = w; |
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} |
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mon_write_byte(adr, w >> 8); |
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mon_write_byte(adr+1, w); |
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} |
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uint32 mon_read_word(uint32 adr) |
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{ |
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if (mon_use_real_mem) |
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return ntohl(*(uint32 *)adr); |
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else |
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return mon_read_byte(adr) << 24 | mon_read_byte(adr+1) << 16 | mon_read_byte(adr+2) << 8 | mon_read_byte(adr+3); |
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return (mon_read_byte(adr) << 24) | (mon_read_byte(adr+1) << 16) | (mon_read_byte(adr+2) << 8) | mon_read_byte(adr+3); |
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} |
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void mon_write_word(uint32 adr, uint32 l) |
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{ |
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if (mon_use_real_mem) |
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*(uint32 *)adr = htonl(l); |
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else { |
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mem[adr % mon_mem_size] = l >> 24; |
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mem[(adr+1) % mon_mem_size] = l >> 16; |
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mem[(adr+2) % mon_mem_size] = l >> 8; |
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mem[(adr+3) % mon_mem_size] = l; |
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} |
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mon_write_byte(adr, l >> 24); |
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mon_write_byte(adr+1, l >> 16); |
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mon_write_byte(adr+2, l >> 8); |
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mon_write_byte(adr+3, l); |
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} |
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static void read_line(char *prompt) |
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{ |
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#ifdef HAVE_LIBREADLINE |
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static char *line_read = NULL; |
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if (line_read) { |
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strncpy(in_ptr = input, line_read, INPUT_LENGTH); |
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input[INPUT_LENGTH-1] = 0; |
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#else |
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fprintf(monout, prompt); |
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fflush(monout); |
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fgets(in_ptr = input, INPUT_LENGTH, monin); |
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char *s = strchr(input, '\n'); |
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if (s != NULL) |
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*s = 0; |
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#endif |
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} |
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num_cmds = 0; |
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cmd_help = NULL; |
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mon_add_command("??", mon_cmd_list, "?? Show list of commands\n"); |
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mon_add_command("ver", version, "ver Show version\n"); |
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mon_add_command("?", print_expr, "? expression Calculate expression\n"); |
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mon_add_command("@", reallocate, "@ [size] Reallocate buffer\n"); |
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mon_add_command("i", ascii_dump, "i [start [end]] ASCII memory dump\n"); |
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mon_add_command("m", memory_dump, "m [start [end]] Hex/ASCII memory dump\n"); |
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mon_add_command("d", disassemble_ppc, "d [start [end]] Disassemble PowerPC code\n"); |
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mon_add_command("d65", disassemble_6502, "d65 [start [end]] Disassemble 6502 code\n"); |
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mon_add_command("d68", disassemble_680x0, "d68 [start [end]] Disassemble 680x0 code\n"); |
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mon_add_command("d80", disassemble_8080, "d80 [start [end]] Disassemble 8080 code\n"); |
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mon_add_command("d86", disassemble_80x86, "d86 [start [end]] Disassemble 80x86 code\n"); |
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mon_add_command(":", modify, ": start string Modify memory\n"); |
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mon_add_command("f", fill, "f start end string Fill memory\n"); |
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mon_add_command("y", apply_byte, "y[b|h|w] start end expr Apply expression to memory\n"); |
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mon_add_command("??", mon_cmd_list, "?? Show list of commands\n"); |
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mon_add_command("ver", version, "ver Show version\n"); |
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mon_add_command("?", print_expr, "? expression Calculate expression\n"); |
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mon_add_command("@", reallocate, "@ [size] Reallocate buffer\n"); |
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mon_add_command("i", ascii_dump, "i [start [end]] ASCII memory dump\n"); |
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mon_add_command("m", memory_dump, "m [start [end]] Hex/ASCII memory dump\n"); |
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mon_add_command("b", binary_dump, "b [start [end]] Binary memory dump\n"); |
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mon_add_command("d", disassemble_ppc, "d [start [end]] Disassemble PowerPC code\n"); |
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mon_add_command("d65", disassemble_6502, "d65 [start [end]] Disassemble 6502 code\n"); |
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mon_add_command("d68", disassemble_680x0, "d68 [start [end]] Disassemble 680x0 code\n"); |
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mon_add_command("d80", disassemble_z80, "d80 [start [end]] Disassemble Z80 code\n"); |
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mon_add_command("d86", disassemble_80x86_32, "d86 [start [end]] Disassemble 80x86 (32-bit) code\n"); |
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mon_add_command("d8086", disassemble_80x86_16, "d8086 [start [end]] Disassemble 80x86 (16-bit) code\n"); |
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mon_add_command(":", modify, ": start string Modify memory\n"); |
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mon_add_command("f", fill, "f start end string Fill memory\n"); |
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mon_add_command("y", apply_byte, "y[b|h|w] start end expr Apply expression to memory\n"); |
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mon_add_command("yb", apply_byte, NULL); |
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mon_add_command("yh", apply_half, NULL); |
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mon_add_command("yw", apply_word, NULL); |
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mon_add_command("t", transfer, "t start end dest Transfer memory\n"); |
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mon_add_command("c", compare, "c start end dest Compare memory\n"); |
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mon_add_command("h", help_or_hunt, "h start end string Search for byte string\n"); |
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mon_add_command("\\", shell_command, "\\ \"command\" Execute shell command\n"); |
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mon_add_command("ls", mon_exec, "ls [args] List directory contents\n"); |
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mon_add_command("rm", mon_exec, "rm [args] Remove file(s)\n"); |
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mon_add_command("cp", mon_exec, "cp [args] Copy file(s)\n"); |
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mon_add_command("mv", mon_exec, "mv [args] Move file(s)\n"); |
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mon_add_command("cd", mon_change_dir, "cd directory Change current directory\n"); |
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mon_add_command("o", redir_output, "o [\"file\"] Redirect output\n"); |
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mon_add_command("[", load_data, "[ start \"file\" Load data from file\n"); |
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mon_add_command("]", save_data, "] start size \"file\" Save data to file\n"); |
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mon_add_command("set", set_var, "set [var[=value]] Set/clear/show variables\n"); |
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mon_add_command("cv", clear_vars, "cv Clear all variables\n"); |
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mon_add_command("t", transfer, "t start end dest Transfer memory\n"); |
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mon_add_command("c", compare, "c start end dest Compare memory\n"); |
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mon_add_command("h", help_or_hunt, "h start end string Search for byte string\n"); |
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mon_add_command("\\", shell_command, "\\ \"command\" Execute shell command\n"); |
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mon_add_command("ls", mon_exec, "ls [args] List directory contents\n"); |
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mon_add_command("rm", mon_exec, "rm [args] Remove file(s)\n"); |
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mon_add_command("cp", mon_exec, "cp [args] Copy file(s)\n"); |
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mon_add_command("mv", mon_exec, "mv [args] Move file(s)\n"); |
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mon_add_command("cd", mon_change_dir, "cd directory Change current directory\n"); |
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mon_add_command("o", redir_output, "o [\"file\"] Redirect output\n"); |
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mon_add_command("[", load_data, "[ start \"file\" Load data from file\n"); |
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mon_add_command("]", save_data, "] start size \"file\" Save data to file\n"); |
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mon_add_command("set", set_var, "set [var[=value]] Set/clear/show variables\n"); |
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mon_add_command("cv", clear_vars, "cv Clear all variables\n"); |
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|
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mon_read_byte = NULL; |
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mon_write_byte = NULL; |
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} |
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monout = stdout; |
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monerr = stdout; |
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if (argc) { |
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// Access real memory if mon was started as "rmon" |
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char *prgname = argv[0]; |
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char *lastslash; |
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if ((lastslash = strrchr(prgname, '/')) != NULL) |
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prgname = lastslash + 1; |
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if (strcmp(prgname, "rmon") == 0) |
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> |
// Make argc/argv point to the actual arguments |
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> |
if (argc) |
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argc--; argv++; |
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> |
|
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// Parse arguments |
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mon_macos_mode = false; |
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> |
mon_use_real_mem = false; |
| 1144 |
> |
while (argc > 0) { |
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if (strcmp(argv[0], "-m") == 0) |
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mon_macos_mode = true; |
| 1147 |
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else if (strcmp(argv[0], "-r") == 0) |
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mon_use_real_mem = true; |
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else |
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break; |
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argc--; argv++; |
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} |
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interactive = (argc == 0); |
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|
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// Make argc/argv point to the actual arguments |
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argc--; |
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argv++; |
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interactive = (argc == 0); |
| 1155 |
> |
// Set up memory access functions if not supplied by the user |
| 1156 |
> |
if (mon_read_byte == NULL) { |
| 1157 |
> |
if (mon_use_real_mem) |
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> |
mon_read_byte = mon_read_byte_real; |
| 1159 |
> |
else |
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> |
mon_read_byte = mon_read_byte_buffer; |
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> |
} |
| 1162 |
> |
if (mon_write_byte == NULL) { |
| 1163 |
> |
if (mon_use_real_mem) |
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> |
mon_write_byte = mon_write_byte_real; |
| 1165 |
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else |
| 1166 |
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mon_write_byte = mon_write_byte_buffer; |
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} |
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|
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// Allocate buffer |
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// Print banner |
| 1175 |
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if (interactive) |
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fprintf(monerr, "\n *** mon V%d.%d by Christian Bauer and Marc Hellwig ***\n" |
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" *** Press 'h' for help ***\n\n", VERSION_MAJOR, VERSION_MINOR); |
| 1176 |
> |
fprintf(monerr, "\n *** cxmon V" VERSION " by Christian Bauer and Marc Hellwig ***\n" |
| 1177 |
> |
" *** Press 'h' for help ***\n\n"); |
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} |
| 1179 |
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init_abort(); |
