rizin/librz/asm/p/asm_ebc.c
Florian Märkl 7cc70d80b0
Fix oob read and endian dependency in asm_ebc (#2929)
Fixes all tests in test/db/asm/ebc on big endian. Tested on
OpenBSD/sparc64.
Also fixes oob reads in cases like `rz-asm -a ebc -d cc`.
2022-08-17 21:58:06 +08:00

39 lines
1,010 B
C

// SPDX-FileCopyrightText: 2012-2018 pancake <pancake@nopcode.org>
// SPDX-FileCopyrightText: 2012-2018 fedor sakharov <fedor.sakharov@gmail.com>
// SPDX-License-Identifier: LGPL-3.0-only
#include <stdio.h>
#include <string.h>
#include <rz_types.h>
#include <rz_lib.h>
#include <rz_asm.h>
#include <ebc_disas.h>
static int disassemble(RzAsm *a, RzAsmOp *op, const ut8 *buf, int len) {
ebc_command_t cmd = { { 0 }, { 0 } };
int ret = ebc_decode_command(buf, len, &cmd);
const char *buf_asm = (cmd.operands[0])
? sdb_fmt("%s %s", cmd.instr, cmd.operands)
: cmd.instr;
rz_asm_op_set_asm(op, buf_asm);
return op->size = ret;
}
RzAsmPlugin rz_asm_plugin_ebc = {
.name = "ebc",
.license = "LGPL3",
.desc = "EFI Bytecode",
.author = "Fedor Sakharov",
.arch = "ebc",
.bits = 32 | 64,
.endian = RZ_SYS_ENDIAN_LITTLE,
.disassemble = &disassemble,
};
#ifndef RZ_PLUGIN_INCORE
RZ_API RzLibStruct rizin_plugin = {
.type = RZ_LIB_TYPE_ASM,
.data = &rz_asm_plugin_ebc,
.version = RZ_VERSION
};
#endif