R_API boolt r_core_seek(RCore *core, ut64 addr, boolt rb) {
RIOSection *newsection;
ut64 old = core->offset;
ut64 ret;
/* XXX unnecesary call */
//r_io_set_fd (core->io, core->file->fd);
core->io->section = core->section; // HACK
ret = r_io_seek (core->io, addr, R_IO_SEEK_SET);
newsection = core->io->section;
if (ret == UT64_MAX) {
//eprintf ("RET =%d %llx\n", ret, addr);
/*
XXX handle read errors correctly
if (core->ffio) {
core->offset = addr;
} else return R_FALSE;
*/
//core->offset = addr;
if (!core->io->va)
return R_FALSE;
memset (core->block, 0xff, core->blocksize);
} else core->offset = addr;
if (rb) {
ret = r_core_block_read (core, 0);
if (core->ffio) {
if (ret<1 || ret > core->blocksize)
memset (core->block, 0xff, core->blocksize);
else memset (core->block+ret, 0xff, core->blocksize-ret);
ret = core->blocksize;
core->offset = addr;
} else {
if (ret<1) {
core->offset = old;
//eprintf ("Cannot read block at 0x%08"PFMT64x"\n", addr);
}
}
}
if (core->section != newsection) {//&& core->io->section->arch) {
int bits = 0;// = core->io->section->bits;
const char *arch = r_io_section_get_archbits (core->io, core->offset, &bits);
if (arch && bits) {
r_config_set (core->config, "asm.arch", arch);
r_config_set_i (core->config, "asm.bits", bits);
}
core->section = core->io->section;
}
return (ret==-1)? R_FALSE: R_TRUE;
}
R_API void r_core_seek_archbits(RCore *core, ut64 addr) {
int bits = 0;
const char *arch = r_io_section_get_archbits (core->io, addr, &bits);
if (!bits && !core->fixedbits) {
//if we found bits related with anal hints pick it up
__choose_bits_anal_hints (core, addr, &bits);
}
if (bits && !core->fixedbits) {
r_config_set_i (core->config, "asm.bits", bits);
}
if (arch && !core->fixedarch) {
r_config_set (core->config, "asm.arch", arch);
}
}
