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Add @arena modifier to the 1st column in the reg profile

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This commit is contained in:
pancake 2016-11-12 23:19:03 +01:00
parent 5accea8d56
commit 77f1b4fbf5
2 changed files with 40 additions and 17 deletions
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1
libr/include/r_reg.h
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@ -85,6 +85,7 @@ typedef struct r_reg_item_t {
bool is_float;
char *flags;
int index;
int arena; /* in which arena is this reg living */
} RRegItem;
typedef struct r_reg_arena_t {

56
libr/reg/profile.c
View File

@ -35,21 +35,34 @@ static ut64 parse_size(char *s, char **end) {
static const char *parse_def(RReg *reg, char **tok, const int n) {
RRegItem *item;
char *end;
int type;
char *end, *p;
int type, type2;
if (n != 5 && n != 6)
return "Invalid syntax";
type = r_reg_type_by_name (tok[0]);
if (type < 0) {
if (n != 5 && n != 6) {
return "Invalid syntax: Wrong number of columns";
}
p = strchr (tok[0], '@');
if (p) {
char *tok0 = strdup (tok[0]);
char *at = tok0 + (p - tok[0]);
*at++ = 0;
type = r_reg_type_by_name (tok0);
free (tok0);
type2 = r_reg_type_by_name (at);
} else {
type2 = type = r_reg_type_by_name (tok[0]);
}
if (type < 0 || type2 < 0) {
return "Invalid register type";
}
item = R_NEW0 (RRegItem);
if (!item) return "Unable to allocate memory";
if (!item) {
return "Unable to allocate memory";
}
item->type = type;
item->arena = type2;
item->name = strdup (tok[1]);
// All the numeric arguments are strictly checked
item->size = parse_size (tok[2], &end);
@ -72,8 +85,9 @@ static const char *parse_def(RReg *reg, char **tok, const int n) {
reg->bits |= item->size;
// This is optional
if (n == 6)
if (n == 6) {
item->flags = strdup (tok[5]);
}
// Don't allow duplicate registers
if (r_reg_get (reg, item->name, R_REG_TYPE_ALL)) {
@ -102,12 +116,14 @@ R_API int r_reg_set_profile_string(RReg *reg, const char *str) {
int i, j, l;
const char *p = str;
if (!reg || !str)
if (!reg || !str) {
return false;
}
// Same profile, no need to change
if (reg->reg_profile_str && !strcmp (reg->reg_profile_str, str))
if (reg->reg_profile_str && !strcmp (reg->reg_profile_str, str)) {
return true;
}
// we should reset all the arenas before setting the new reg profile
r_reg_arena_pop (reg);
@ -126,8 +142,9 @@ R_API int r_reg_set_profile_string(RReg *reg, const char *str) {
// Skip comment lines
if (*p == '#') {
const char *q = p;
while (*q != '\n')
while (*q != '\n') {
q++;
}
reg->reg_profile_cmt = r_str_concatlen (
reg->reg_profile_cmt, p, (int)(q - p) + 1);
p = q;
@ -137,16 +154,19 @@ R_API int r_reg_set_profile_string(RReg *reg, const char *str) {
// For every word
while (*p) {
// Skip the whitespace
while (*p == ' ' || *p == '\t')
while (*p == ' ' || *p == '\t') {
p++;
}
// Skip the rest of the line is a comment is encountered
if (*p == '#') {
while (*p != '\n')
while (*p != '\n') {
p++;
}
}
// EOL ?
if (*p == '\n')
if (*p == '\n') {
break;
}
// Gather a handful of chars
// Use isgraph instead of isprint because the latter considers ' ' printable
for (i = 0; isgraph ((const unsigned char)*p) && i < sizeof (tmp) - 1;) {
@ -154,8 +174,9 @@ R_API int r_reg_set_profile_string(RReg *reg, const char *str) {
}
tmp[i] = '\0';
// Limit the number of tokens
if (j > PARSER_MAX_TOKENS - 1)
if (j > PARSER_MAX_TOKENS - 1) {
break;
}
// Save the token
tok[j++] = strdup (tmp);
}
@ -168,8 +189,9 @@ R_API int r_reg_set_profile_string(RReg *reg, const char *str) {
? parse_alias (reg, tok, j)
: parse_def (reg, tok, j);
// Clean up
for (i = 0; i < j; i++)
for (i = 0; i < j; i++) {
free (tok[i]);
}
// Warn the user if something went wrong
if (r) {
eprintf ("%s: Parse error @ line %d (%s)\n",