asm_arm_as.c

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// SPDX-FileCopyrightText: 2015-2020 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include <rz_types.h>
#include <rz_util.h>
#include <rz_lib.h>
#include <rz_asm.h>
#include "../binutils_as.h"
 
#define ASSEMBLER32 "RZ_ARM32_AS"
#define ASSEMBLER64 "RZ_ARM64_AS"
 
static int assemble(RzAsm *a, RzAsmOp *op, const char *buf) {
    int bits = a->bits;
    char *as = "";
#if __arm__
    if (bits <= 32) {
        as = "as";
    }
#elif __aarch64__
    if (bits == 64) {
        as = "as";
    }
#endif
    char cmd_opt[4096];
    snprintf(cmd_opt, sizeof(cmd_opt), "%s %s",
        bits == 16 ? "-mthumb" : "",
        a->big_endian ? "-EB" : "-EL");
    return binutils_assemble(a, op, buf, as,
        bits == 64 ? ASSEMBLER64 : ASSEMBLER32,
        bits <= 32 ? ".syntax unified\n" : "", cmd_opt);
}
 
RzAsmPlugin rz_asm_plugin_arm_as = {
    .name = "arm.as",
    .desc = "as ARM Assembler (use " ASSEMBLER32 " and " ASSEMBLER64 " environment)",
    .arch = "arm",
    .author = "pancake",
    .license = "LGPL3",
    .bits = 16 | 32 | 64,
    .endian = RZ_SYS_ENDIAN_LITTLE | RZ_SYS_ENDIAN_BIG,
    .assemble = &assemble,
};
 
#ifndef RZ_PLUGIN_INCORE
RZ_API RzLibStruct rizin_plugin = {
    .type = RZ_LIB_TYPE_ASM,
    .data = &rz_asm_plugin_arm_as,
    .version = RZ_VERSION
};
#endif