asm_pyc.c File Reference

#include <rz_types.h>
#include <rz_lib.h>
#include <rz_util.h>
#include <rz_asm.h>
#include "../arch/pyc/pyc_dis.h"

Go to the source code of this file.

Functions
static int	disassemble (RzAsm *a, RzAsmOp *opstruct, const ut8 *buf, int len)
static bool	finish (void *user)

Variables
static pyc_opcodes *	opcodes_cache = NULL
RzAsmPlugin	rz_asm_plugin_pyc
RZ_API RzLibStruct	rizin_plugin

Function Documentation

disassemble()

static int disassemble ( RzAsm *  a, RzAsmOp *  opstruct, const ut8 *  buf, int  len  )

static

Definition at line 14 of file asm_pyc.c.

                                                                             {
    RzList *shared = NULL;
 
    RzBin *bin = a->binb.bin;
    ut64 pc = a->pc;
 
    RzBinPlugin *plugin = bin && bin->cur && bin->cur->o ? bin->cur->o->plugin : NULL;
 
    if (plugin) {
        if (!strcmp(plugin->name, "pyc")) {
            shared = ((RzBinPycObj *)bin->cur->o->bin_obj)->shared;
        }
    }
 
    RzList *cobjs = NULL;
    RzList *interned_table = NULL;
 
    if (shared) {
        cobjs = rz_list_get_n(shared, 0);
        interned_table = rz_list_get_n(shared, 1);
    }
 
    if (!opcodes_cache || !pyc_opcodes_equal(opcodes_cache, a->cpu)) {
        opcodes_cache = get_opcode_by_version(a->cpu);
        if (opcodes_cache == NULL) {
            RZ_LOG_ERROR("disassembler: pyc: unsupported pyc opcode cpu/version (asm.cpu=%s).\n", a->cpu);
            return len;
        }
        opcodes_cache->bits = a->bits;
    }
    int r = rz_pyc_disasm(opstruct, buf, cobjs, interned_table, pc, opcodes_cache);
    opstruct->size = r;
    return r;
}

References a, pyc_opcodes::bits, get_opcode_by_version(), len, rz_bin_plugin_t::name, NULL, opcodes_cache, pc, pyc_opcodes_equal(), r, rz_list_get_n(), RZ_LOG_ERROR, rz_pyc_disasm(), rz_asm_op_t::size, and ut64().

finish()

static bool finish ( void *  user )

static

Definition at line 49 of file asm_pyc.c.

                               {
    if (opcodes_cache) {
        free_opcode(opcodes_cache);
        opcodes_cache = NULL;
    }
    return true;
}

References free_opcode(), NULL, and opcodes_cache.

Variable Documentation

opcodes_cache

pyc_opcodes* opcodes_cache = NULL

static

Definition at line 12 of file asm_pyc.c.

Referenced by disassemble(), and finish().

rizin_plugin

RZ_API RzLibStruct rizin_plugin

Initial value:

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

Definition at line 68 of file asm_pyc.c.

rz_asm_plugin_pyc

RzAsmPlugin rz_asm_plugin_pyc

Initial value:

= {
    .name = "pyc",
    .arch = "pyc",
    .license = "LGPL3",
    .bits = 16 | 8,
    .desc = "PYC disassemble plugin",
    .disassemble = &disassemble,
    .fini = &finish,
}

Definition at line 57 of file asm_pyc.c.