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This commit is contained in:
jvoisin 2014-06-21 14:37:40 +02:00
parent ef475dc096
commit e26f494e81
1 changed files with 67 additions and 64 deletions
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131
libr/core/cmd_help.c
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@ -212,32 +212,34 @@ static int cmd_help(void *data, const char *input) {
"| 0x33 go to 0x33'\n"
);
return 0;
case '$':
r_cons_printf (
"|RNum $variables usable in math expressions:\n"
"| $$ here (current virtual seek)\n"
"| $o here (current disk io offset)\n"
"| $s file size\n"
"| $b block size\n"
"| $w get word size, 4 if asm.bits=32, 8 if 64, ...\n"
"| $c,$r get width and height of terminal\n"
"| $S section offset\n"
"| $SS section size\n"
"| $j jump address (e.g. jmp 0x10, jz 0x10 => 0x10)\n"
"| $f jump fail address (e.g. jz 0x10 => next instruction)\n"
"| $I number of instructions of current function\n"
"| $F current function size \n"
"| $Jn get nth jump of function\n"
"| $Cn get nth call of function\n"
"| $Dn get nth data reference in function\n"
"| $Xn get nth xref of function\n"
"| $m opcode memory reference (e.g. mov eax,[0x10] => 0x10)\n"
"| $v opcode immediate value (e.g. lui a0,0x8010 => 0x8010)\n"
"| $l opcode length\n"
"| $e 1 if end of block, else 0\n"
"| ${ev} get value of eval config variable # TODO: use ?k too\n"
"| $? last comparision value\n"
);
case '$':{
const char* help_msg[] = {
"$$", "", "here (current virtual seek)",
"$?", "", "last comparision value",
"$Cn", "", "get nth call of function",
"$Dn", "", "get nth data reference in function",
"$F", "", "current function size",
"$I", "", "number of instructions of current function",
"$Ja", "", "get nth jump of function",
"$S", "", "section offset",
"$SS", "", "section size",
"$Xn", "", "get nth xref of function",
"$b", "", "block size",
"$c,$r", "", "get width and height of terminal",
"$e", "", "1 if end of block, else 0",
"$f", "", "jump fail address (e.g. jz 0x10 => next instruction)",
"$j", "", "jump address (e.g. jmp 0x10, jz 0x10 => 0x10)",
"$l", "", "opcode length",
"$m", "", "opcode memory reference (e.g. mov eax,[0x10] => 0x10)",
"$o", "", "here (current disk io offset)",
"$s", "", "file size",
"$v", "", "opcode immediate value (e.g. lui a0,0x8010 => 0x8010)",
"$w", "", "get word size, 4 if asm.bits=32, 8 if 64, ...",
"${ev}", "", "get value of eval config variable", //TODO: use ?k too
"RNum", "", " # $variables usable in math expressions",
NULL};
r_core_cmd_help (core, help_msg);
}
return R_TRUE;
case 'V':
if (!strcmp (R2_VERSION, GIT_TAP))
@ -389,44 +391,45 @@ static int cmd_help(void *data, const char *input) {
r_core_cmd (core, input+1, 0);
break;
}
r_cons_printf (
"|Usage: ?[?[?]] expression\n"
"| ? eip-0x804800 show hex and dec result for this math expr\n"
"| ?= eip-0x804800 same as above without user feedback\n"
"| ?? show value of operation\n"
"| ?? [cmd] ? == 0 run command when math matches\n"
"| ?_ hudfile load hud menu with given file\n"
"| ?b [num] show binary value of number\n"
"| ?b64[-] [str] encode/decode in base64\n"
"| ?B [elem] show range boundaries like 'e?search.in\n"
"| ?d opcode describe opcode for asm.arch\n"
"| ?e string echo string\n"
"| ?f [num] [str] map each bit of the number as flag string index\n"
"| ?h [str] calculate hash for given string\n"
"| ?iy prompt yesno input prompt\n"
"| ?i[ynmkp] arg prompt for number or Yes,No,Msg,Key,Path and store in $$?\n"
"| ?in prompt yesno input prompt\n"
"| ?im message show message centered in screen\n"
"| ?ik press any key input dialog\n"
"| ?l str returns the length of string (0 if null)\n"
"| ?o num get octal value\n"
"| ?p vaddr get physical address for given virtual address\n"
"| ?P paddr get virtual address for given physical one\n"
"| ?r [from] [to] generate random number between from-to\n"
"| ?s from to step sequence of numbers from to by steps\n"
"| ?S addr return section name of given address\n"
"| ?t cmd returns the time to run a command\n"
"| ?u num get value in human units (KB, MB, GB, TB)\n"
"| ?v eip-0x804800 show hex value of math expr\n"
"| ?vi rsp-rbp show decimal value of math expr\n"
"| ?V show library version of r_core\n"
"| ?x num|str|-hexst returns the hexpair of number or string\n"
"| ?X num|expr returns the hexadecimal value numeric expr\n"
"| ?y [str] show contents of yank buffer, or set with string\n"
"| ?! [cmd] ? != 0\n"
"| ?+ [cmd] ? > 0\n"
"| ?- [cmd] ? < 0\n"
"| ??? show this help\n");
const char* help_msg[] = {
"Usage: ?[?[?]] expression\n"
"?", " eip-0x804800", "show hex and dec result for this math expr",
"?!", " [cmd]", "? != 0",
"?+", " [cmd]", "? > 0",
"?-", " [cmd]", "? < 0",
"?=", " eip-0x804800", "hex and dec result for this math expr",
"??", "", "show value of operation",
"??", " [cmd]", "? == 0 run command when math matches",
"?B", " [elem]", "show range boundaries like 'e?search.in",
"?P", " paddr", "get virtual address for given physical one",
"?S", " addr", "return section name of given address",
"?V", "", "show library version of r_core",
"?X", " num|expr", "returns the hexadecimal value numeric expr",
"?_", " hudfile", "load hud menu with given file",
"?b", " [num]", "show binary value of number",
"?b64[-]", " [str]", "encode/decode in base64",
"?d", " opcode", "describe opcode for asm.arch",
"?e", " string", "echo string",
"?f", " [num] [str]", "map each bit of the number as flag string index",
"?h", " [str]", "calculate hash for given string",
"?i", "[ynmkp] arg", "prompt for number or Yes,No,Msg,Key,Path and store in $$?",
"?ik", "", "press any key input dialog",
"?im", " message", "show message centered in screen",
"?in", " prompt", "noyes input prompt",
"?iy", " prompt", "yesno input prompt",
"?l", " str", "returns the length of string",
"?o", " num", "get octal value",
"?p", " vaddr", "get physical address for given virtual address",
"?r", " [from] [to]", "generate random number between from-to",
"?s", " from to step", "sequence of numbers from to by steps",
"?t", " cmd", "returns the time to run a command",
"?u", " num", "get value in human units (KB, MB, GB, TB)",
"?v", " eip-0x804800", "show hex value of math expr",
"?vi", " rsp-rbp", "show decimal value of math expr",
"?x", " num|str|-hexst", "returns the hexpair of number or string",
"?y", " [str]", "show contents of yank buffer, or set with string",
NULL};
r_core_cmd_help (core, help_msg);
return 0;
} else
if (input[1]) {