static int keystone_assemble(RAsm *a, RAsmOp *ao, const char *str, ks_arch arch, ks_mode mode) {
ks_err err = KS_ERR_ARCH;
bool must_init = false;
size_t count, size;
ut8 *insn = NULL;
if (!ks_arch_supported (arch)) {
return -1;
}
must_init = true; //!oldcur || (a->cur != oldcur || oldbit != a->bits);
oldcur = a->cur;
oldbit = a->bits;
if (must_init) {
if (ks) {
ks_close (ks);
ks = NULL;
}
err = ks_open (arch, mode, &ks);
if (err || !ks) {
eprintf ("Cannot initialize keystone\n");
ks_free (insn);
if (ks) {
ks_close (ks);
ks = NULL;
}
return -1;
}
}
if (!ks) {
ks_free (insn);
if (ks) {
ks_close (ks);
ks = NULL;
}
return -1;
}
if (a->syntax == R_ASM_SYNTAX_ATT) {
ks_option (ks, KS_OPT_SYNTAX, KS_OPT_SYNTAX_ATT);
} else {
ks_option (ks, KS_OPT_SYNTAX, KS_OPT_SYNTAX_NASM);
}
int rc = ks_asm (ks, str, a->pc, &insn, &size, &count);
if (rc) {
eprintf ("ks_asm: %s\n", ks_strerror ((ks_err)ks_errno (ks)));
ks_free (insn);
if (ks) {
ks_close (ks);
ks = NULL;
}
return -1;
}
memcpy (ao->buf, insn, R_MIN (size, sizeof (ao->buf) -1));
ks_free (insn);
if (ks) {
ks_close (ks);
ks = NULL;
}
return size;
}
static void usage(char *prog)
{
printf("Kstool v%u.%u.%u for Keystone Assembler Engine (www.keystone-engine.org)\nBy Nguyen Anh Quynh, 2016-2018\n\n",
KS_VERSION_MAJOR, KS_VERSION_MINOR, KS_VERSION_EXTRA);
printf("Syntax: %s <arch+mode> <assembly-string> [start-address-in-hex-format]\n", prog);
printf("\nThe following <arch+mode> options are supported:\n");
if (ks_arch_supported(KS_ARCH_X86)) {
printf(" x16: X86 16bit, Intel syntax\n");
printf(" x32: X86 32bit, Intel syntax\n");
printf(" x64: X86 64bit, Intel syntax\n");
printf(" x16att: X86 16bit, AT&T syntax\n");
printf(" x32att: X86 32bit, AT&T syntax\n");
printf(" x64att: X86 64bit, AT&T syntax\n");
printf(" x16nasm: X86 16bit, NASM syntax\n");
printf(" x32nasm: X86 32bit, NASM syntax\n");
printf(" x64nasm: X86 64bit, NASM syntax\n");
}
if (ks_arch_supported(KS_ARCH_ARM)) {
printf(" arm: ARM - little endian\n");
printf(" armbe: ARM - big endian\n");
printf(" thumb: Thumb - little endian\n");
printf(" thumbbe: Thumb - big endian\n");
printf(" armv8: ARM V8 - little endian\n");
printf(" armv8be: ARM V8 - big endian\n");
printf(" thumbv8: Thumb V8 - little endian\n");
printf(" thumbv8be: Thumb V8 - big endian\n");
}
if (ks_arch_supported(KS_ARCH_ARM64)) {
printf(" arm64: AArch64\n");
}
if (ks_arch_supported(KS_ARCH_HEXAGON)) {
printf(" hexagon: Hexagon\n");
}
if (ks_arch_supported(KS_ARCH_MIPS)) {
printf(" mips: Mips - little endian\n");
printf(" mipsbe: Mips - big endian\n");
printf(" mips64: Mips64 - little endian\n");
printf(" mips64be: Mips64 - big endian\n");
}
if (ks_arch_supported(KS_ARCH_PPC)) {
printf(" ppc32be: PowerPC32 - big endian\n");
printf(" ppc64: PowerPC64 - little endian\n");
printf(" ppc64be: PowerPC64 - big endian\n");
}
if (ks_arch_supported(KS_ARCH_SPARC)) {
printf(" sparc: Sparc - little endian\n");
printf(" sparcbe: Sparc - big endian\n");
printf(" sparc64be: Sparc64 - big endian\n");
}
if (ks_arch_supported(KS_ARCH_SYSTEMZ)) {
printf(" systemz: SystemZ (S390x)\n");
}
if (ks_arch_supported(KS_ARCH_EVM)) {
printf(" evm: Ethereum Virtual Machine\n");
}
printf("\n");
}
