R_API int r_sys_stop () {
if (enabled) return R_FALSE;
int pid = r_sys_getpid ();
#ifndef SIGSTOP
#define SIGSTOP 19
#endif
if (!r_sandbox_kill (pid, SIGSTOP))
return R_TRUE;
return R_FALSE;
}
R_API int r_sys_stop () {
int pid;
if (enabled) {
return false;
}
pid = r_sys_getpid ();
#ifndef SIGSTOP
#define SIGSTOP 19
#endif
return (!r_sandbox_kill (pid, SIGSTOP));
}
static ut64 num_callback(RNum *userptr, const char *str, int *ok) {
RCore *core = (RCore *)userptr; // XXX ?
RAnalFunction *fcn;
char *ptr, *bptr, *out;
RFlagItem *flag;
RIOSection *s;
RAnalOp op;
ut64 ret = 0;
if (ok) *ok = R_FALSE;
switch (*str) {
case '[':
{
ut64 n = 0LL;
int refsz = (core->assembler->bits & R_SYS_BITS_64)? 8: 4;
const char *p = NULL;
if (strlen (str)>5)
p = strchr (str+5, ':');
// TODO: honor LE
if (p) {
refsz = atoi (str+1);
str = p;
}
// push state
{
if (str[0] && str[1]) {
const char *q;
char *o = strdup (str+1);
if (o) {
q = r_num_calc_index (core->num, NULL);
if (q) {
if (r_str_replace_char (o, ']', 0)>0) {
n = r_num_math (core->num, o);
r_num_calc_index (core->num, q);
}
}
free (o);
}
}
}
// pop state
if (ok) *ok = 1;
ut32 num = 0;
switch (refsz) {
case 8:
case 4:
case 2:
case 1:
(void)r_io_read_at (core->io, n, (ut8*)&num, refsz);
r_mem_copyendian ((ut8*)&num, (ut8*)&num, refsz, !core->assembler->big_endian);
return num;
default:
eprintf ("Invalid reference size: %d (%s)\n", refsz, str);
return 0LL;
}
}
break;
case '$':
if (ok) *ok = 1;
// TODO: group analop-dependant vars after a char, so i can filter
r_anal_op (core->anal, &op, core->offset,
core->block, core->blocksize);
switch (str[1]) {
case '.': // can use pc, sp, a0, a1, ...
return r_debug_reg_get (core->dbg, str+2);
case 'k':
if (str[2]!='{') {
eprintf ("Expected '{' after 'k'.\n");
break;
}
bptr = strdup (str+3);
ptr = strchr (bptr, '}');
if (ptr == NULL) {
// invalid json
free (bptr);
break;
}
*ptr = '\0';
ret = 0LL;
out = sdb_querys (core->sdb, NULL, 0, bptr);
if (out && *out) {
if (strstr (out, "$k{")) {
eprintf ("Recursivity is not permitted here\n");
} else {
ret = r_num_math (core->num, out);
}
}
free (bptr);
free (out);
return ret;
break;
case '{':
bptr = strdup (str+2);
ptr = strchr (bptr, '}');
if (ptr != NULL) {
ut64 ret;
ptr[0] = '\0';
ret = r_config_get_i (core->config, bptr);
free (bptr);
return ret;
}
free (bptr);
break;
case 'c': return r_cons_get_size (NULL);
case 'r': { int rows; r_cons_get_size (&rows); return rows; }
case 'e': return r_anal_op_is_eob (&op);
case 'j': return op.jump;
case 'p': return r_sys_getpid ();
case 'P': return (core->dbg->pid>0)? core->dbg->pid: 0;
case 'f': return op.fail;
case 'm': return op.ptr; // memref
case 'v': return op.val; // immediate value
case 'l': return op.size;
case 'b': return core->blocksize;
case 's':
if (core->file) {
return r_io_desc_size (core->io, core->file->desc);
}
return 0LL;
case 'w': return r_config_get_i (core->config, "asm.bits") / 8;
case 'S':
s = r_io_section_vget (core->io, core->offset);
return s? (str[2]=='S'? s->size: s->vaddr): 3;
case '?': return core->num->value;
case '$': return core->offset;
case 'o': return r_io_section_vaddr_to_offset (core->io,
core->offset);
case 'C': return getref (core, atoi (str+2), 'r',
R_ANAL_REF_TYPE_CALL);
case 'J': return getref (core, atoi (str+2), 'r',
R_ANAL_REF_TYPE_CODE);
case 'D': return getref (core, atoi (str+2), 'r',
R_ANAL_REF_TYPE_DATA);
case 'X': return getref (core, atoi (str+2), 'x',
R_ANAL_REF_TYPE_CALL);
case 'I':
fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
return fcn? fcn->ninstr: 0;
case 'F':
fcn = r_anal_get_fcn_in (core->anal, core->offset, 0);
return fcn? fcn->size: 0;
}
break;
default:
if (*str>'A') {
// NOTE: functions override flags
RAnalFunction *fcn = r_anal_fcn_find_name (core->anal, str);
if (fcn) {
if (ok) *ok = R_TRUE;
return fcn->addr;
}
#if 0
ut64 addr = r_anal_fcn_label_get (core->anal, core->offset, str);
if (addr != 0) {
ret = addr;
} else {
...
}
#endif
if ((flag = r_flag_get (core->flags, str))) {
ret = flag->offset;
if (ok) *ok = R_TRUE;
}
}
break;
}
