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Add a parse plugin for tweaking references to r0 ##disasm

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pancake 2022-05-23 16:06:05 +02:00 committed by pancake
parent 6bf4f8db06
commit 630a9ab8e8
1 changed files with 20 additions and 1 deletions
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21
libr/parse/p/parse_v850_pseudo.c
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@ -1,4 +1,4 @@
/* radare - LGPL - Copyright 2020-2021 - pancake */
/* radare - LGPL - Copyright 2020-2022 - pancake */
#include <r_lib.h>
#include <r_flag.h>
@ -198,10 +198,29 @@ static int parse(RParse *p, const char *data, char *str) {
return true;
}
static bool subvar(RParse *p, RAnalFunction *f, ut64 addr, int oplen, char *data, char *str, int len) {
char *r0 = strstr (data, "[r0]");
if (r0) {
char *neg = strstr (data, " -");
if (neg && neg < r0) {
int negdelta = atoi (neg);
*neg = 0;
ut64 addr = UT32_MAX + negdelta + 1;
char *res = r_str_newf ("%s 0x%"PFMT64x"%s", data, addr, r0 + 4);
strcpy (str, res);
free (res);
return true;
}
}
strcpy (str, data);
return false;
}
RParsePlugin r_parse_plugin_v850_pseudo = {
.name = "v850.pseudo",
.desc = "v850 pseudo syntax",
.parse = parse,
.subvar = &subvar,
};
#ifndef R2_PLUGIN_INCORE