radare2/libr/asm/p/asm_x86_nasm.c

67 lines
1.4 KiB
C

/* radare - LGPL - Copyright 2009-2020 - pancake */
#include <r_lib.h>
#include <r_asm.h>
static int assemble(RAsm *a, RAsmOp *op, const char *buf) {
char *ipath, *opath;
if (a->syntax != R_ASM_SYNTAX_INTEL) {
eprintf ("asm.x86.nasm does not support non-intel syntax\n");
return -1;
}
int ifd = r_file_mkstemp ("r_nasm", &ipath);
if (ifd == -1) {
return -1;
}
int ofd = r_file_mkstemp ("r_nasm", &opath);
if (ofd == -1) {
free (ipath);
return -1;
}
char *asm_buf = r_str_newf ("[BITS %i]\nORG 0x%"PFMT64x"\n%s\n", a->bits, a->pc, buf);
if (asm_buf) {
(void)write (ifd, asm_buf, strlen (asm_buf));
free (asm_buf);
}
close (ifd);
if (!r_sys_cmdf ("nasm %s -o %s", ipath, opath)) {
ut8 buf[512]; // TODO: remove limits
op->size = read (ofd, buf, sizeof (buf));
r_asm_op_set_buf (op, buf, op->size);
} else {
eprintf ("Error running 'nasm'\n");
}
close (ofd);
unlink (ipath);
unlink (opath);
free (ipath);
free (opath);
return op->size;
}
RAsmPlugin r_asm_plugin_x86_nasm = {
.name = "x86.nasm",
.desc = "X86 nasm assembler",
.license = "LGPL3",
.arch = "x86",
// NOTE: 64bits is not supported on OSX's nasm :(
.bits = 16 | 32 | 64,
.endian = R_SYS_ENDIAN_LITTLE,
.assemble = &assemble
};
#ifndef R2_PLUGIN_INCORE
R_API RLibStruct radare_plugin = {
.type = R_LIB_TYPE_ASM,
.data = &r_asm_plugin_x86_nasm,
.version = R2_VERSION
};
#endif