asm_x86_nasm.c File Reference

#include <rz_lib.h>
#include <rz_asm.h>

Go to the source code of this file.

Functions
static int	assemble (RzAsm *a, RzAsmOp *op, const char *buf)

Variables
RzAsmPlugin	rz_asm_plugin_x86_nasm
RZ_API RzLibStruct	rizin_plugin

Function Documentation

assemble()

static int assemble ( RzAsm *  a, RzAsmOp *  op, const char *  buf  )

static

Definition at line 7 of file asm_x86_nasm.c.

                                                            {
    char *ipath, *opath;
    if (a->syntax != RZ_ASM_SYNTAX_INTEL) {
        RZ_LOG_ERROR("assembler: x86.nasm: the assembler does not support non-intel syntax\n");
        return -1;
    }
 
    int ifd = rz_file_mkstemp("rz_nasm", &ipath);
    if (ifd == -1) {
        return -1;
    }
 
    int ofd = rz_file_mkstemp("rz_nasm", &opath);
    if (ofd == -1) {
        free(ipath);
        return -1;
    }
 
    char *asm_buf = rz_str_newf("[BITS %i]\nORG 0x%" PFMT64x "\n%s\n", a->bits, a->pc, buf);
    if (asm_buf) {
        rz_xwrite(ifd, asm_buf, strlen(asm_buf));
        free(asm_buf);
    }
 
    close(ifd);
 
    if (!rz_sys_cmdf("nasm %s -o %s", ipath, opath)) {
        ut8 buf[512]; // TODO: remove limits
        op->size = read(ofd, buf, sizeof(buf));
        rz_asm_op_set_buf(op, buf, op->size);
    } else {
        RZ_LOG_ERROR("assembler: x86.nasm: failed to run command 'nasm %s -o %s'\n", ipath, opath);
    }
 
    close(ofd);
    unlink(ipath);
    unlink(opath);
    free(ipath);
    free(opath);
 
    return op->size;
}

References a, close, free(), PFMT64x, read(), rz_asm_op_set_buf(), RZ_ASM_SYNTAX_INTEL, rz_file_mkstemp(), RZ_LOG_ERROR, rz_str_newf(), rz_sys_cmdf(), rz_xwrite, and unlink.

Variable Documentation

rizin_plugin

RZ_API RzLibStruct rizin_plugin

Initial value:

= {
    .type = RZ_LIB_TYPE_ASM,
    .data = &rz_asm_plugin_x86_nasm,
    .version = RZ_VERSION
}

Definition at line 62 of file asm_x86_nasm.c.

rz_asm_plugin_x86_nasm

RzAsmPlugin rz_asm_plugin_x86_nasm

Initial value:

= {
    .name = "x86.nasm",
    .desc = "X86 nasm assembler",
    .license = "LGPL3",
    .arch = "x86",
    
    .bits = 16 | 32 | 64,
    .endian = RZ_SYS_ENDIAN_LITTLE,
    .assemble = &assemble
}

Definition at line 50 of file asm_x86_nasm.c.