class_const_pool.c File Reference

#include "class_const_pool.h"

Go to the source code of this file.

Functions
static ConstPool *	constant_pool_copy_from_buffer (RzBuffer *buf, ConstPool *cpool, const st64 size)
ConstPool *	java_constant_null_new (ut64 offset)
ConstPool *	java_constant_pool_new (RzBuffer *buf, ut64 offset)
void	java_constant_pool_free (ConstPool *cpool)
const char *	java_constant_pool_tag_name (const ConstPool *cpool)
bool	java_constant_pool_is_string (const ConstPool *cpool)
bool	java_constant_pool_is_number (const ConstPool *cpool)
bool	java_constant_pool_is_import (const ConstPool *cpool)
bool	java_constant_pool_requires_null (const ConstPool *cpool)
char *	java_constant_pool_stringify (const ConstPool *cpool)
ut32	java_constant_pool_resolve (const ConstPool *cpool, ut16 *arg0, ut16 *arg1)

Function Documentation

constant_pool_copy_from_buffer()

static ConstPool* constant_pool_copy_from_buffer ( RzBuffer *  buf, ConstPool *  cpool, const st64  size  )

static

Definition at line 6 of file class_const_pool.c.

                                                                                                   {
    if (size < 1) {
        return cpool;
    }
    cpool->size = size;
    cpool->buffer = (ut8 *)malloc(size);
    if (!cpool->buffer || rz_buf_read(buf, cpool->buffer, size) != size) {
        free(cpool);
        rz_warn_if_reached();
        return NULL;
    }
    return cpool;
}

References java_constant_pool_t::buffer, free(), malloc(), NULL, rz_buf_read(), rz_warn_if_reached, and java_constant_pool_t::size.

Referenced by java_constant_pool_new().

java_constant_null_new()

ConstPool* java_constant_null_new

(

ut64

offset

)

Definition at line 20 of file class_const_pool.c.

                                               {
    ConstPool *cpool = RZ_NEW0(ConstPool);
    rz_return_val_if_fail(cpool, NULL);
    cpool->offset = offset;
    return cpool;
}

References NULL, java_constant_pool_t::offset, RZ_NEW0, and rz_return_val_if_fail.

Referenced by java_class_parse().

java_constant_pool_free()

void java_constant_pool_free

(

ConstPool *

cpool

)

Definition at line 78 of file class_const_pool.c.

                                               {
    if (!cpool) {
        return;
    }
    free(cpool->buffer);
    free(cpool);
}

References java_constant_pool_t::buffer, and free().

Referenced by rz_bin_java_class_free().

java_constant_pool_is_import()

bool java_constant_pool_is_import

(

const ConstPool *

cpool

)

Definition at line 145 of file class_const_pool.c.

                                                          {
    rz_return_val_if_fail(cpool, false);
    return cpool->tag == CONSTANT_POOL_METHODREF ||
        cpool->tag == CONSTANT_POOL_INTERFACEMETHODREF ||
        cpool->tag == CONSTANT_POOL_FIELDREF;
}

References CONSTANT_POOL_FIELDREF, CONSTANT_POOL_INTERFACEMETHODREF, CONSTANT_POOL_METHODREF, rz_return_val_if_fail, and java_constant_pool_t::tag.

Referenced by rz_bin_java_class_as_libraries(), rz_bin_java_class_const_pool_as_imports(), and rz_bin_java_class_const_pool_as_symbols().

java_constant_pool_is_number()

bool java_constant_pool_is_number

(

const ConstPool *

cpool

)

Definition at line 137 of file class_const_pool.c.

                                                          {
    rz_return_val_if_fail(cpool, false);
    return cpool->tag == CONSTANT_POOL_INTEGER ||
        cpool->tag == CONSTANT_POOL_FLOAT ||
        cpool->tag == CONSTANT_POOL_LONG ||
        cpool->tag == CONSTANT_POOL_DOUBLE;
}

References CONSTANT_POOL_DOUBLE, CONSTANT_POOL_FLOAT, CONSTANT_POOL_INTEGER, CONSTANT_POOL_LONG, rz_return_val_if_fail, and java_constant_pool_t::tag.

Referenced by rz_bin_java_class_const_pool_as_json(), rz_bin_java_class_const_pool_as_text(), and rz_bin_java_class_const_pool_resolve_index().

java_constant_pool_is_string()

bool java_constant_pool_is_string

(

const ConstPool *

cpool

)

Definition at line 132 of file class_const_pool.c.

                                                          {
    rz_return_val_if_fail(cpool, false);
    return cpool->tag == CONSTANT_POOL_UTF8 || cpool->tag == CONSTANT_POOL_UNICODE;
}

References CONSTANT_POOL_UNICODE, CONSTANT_POOL_UTF8, rz_return_val_if_fail, and java_constant_pool_t::tag.

Referenced by rz_bin_java_class_const_pool_as_json(), rz_bin_java_class_const_pool_as_text(), rz_bin_java_class_const_pool_resolve_index(), rz_bin_java_class_fields_as_binfields(), rz_bin_java_class_fields_as_symbols(), rz_bin_java_class_language(), rz_bin_java_class_methods_as_symbols(), and rz_bin_java_class_strings().

java_constant_pool_new()

ConstPool* java_constant_pool_new	(	RzBuffer *	buf,
		ut64	offset
	)

Definition at line 27 of file class_const_pool.c.

                                                              {
    ConstPool *cpool = RZ_NEW0(ConstPool);
    rz_return_val_if_fail(cpool, NULL);
 
    cpool->offset = offset;
    if (!rz_buf_read8(buf, &cpool->tag)) {
        free(cpool);
        return NULL;
    }
 
    ut16 string_len;
 
    switch (cpool->tag) {
    case CONSTANT_POOL_ZERO:
        return cpool;
    case CONSTANT_POOL_UTF8:
    case CONSTANT_POOL_UNICODE:
        if (!rz_buf_read_be16(buf, &string_len)) {
            free(cpool);
            return NULL;
        }
        return constant_pool_copy_from_buffer(buf, cpool, string_len);
    case CONSTANT_POOL_LONG:
    case CONSTANT_POOL_DOUBLE:
        return constant_pool_copy_from_buffer(buf, cpool, 8);
    case CONSTANT_POOL_INTEGER:
    case CONSTANT_POOL_FLOAT:
    case CONSTANT_POOL_FIELDREF:
    case CONSTANT_POOL_METHODREF:
    case CONSTANT_POOL_INTERFACEMETHODREF:
    case CONSTANT_POOL_NAMEANDTYPE:
    case CONSTANT_POOL_DYNAMIC:
    case CONSTANT_POOL_INVOKEDYNAMIC:
        return constant_pool_copy_from_buffer(buf, cpool, 4);
    case CONSTANT_POOL_METHODHANDLE:
        return constant_pool_copy_from_buffer(buf, cpool, 3);
    case CONSTANT_POOL_METHODTYPE:
    case CONSTANT_POOL_CLASS:
    case CONSTANT_POOL_STRING:
    case CONSTANT_POOL_MODULE:
    case CONSTANT_POOL_PACKAGE:
        return constant_pool_copy_from_buffer(buf, cpool, 2);
    default:
        RZ_LOG_ERROR("java bin: invalid constant pool tag: %u at 0x%" PFMT64x "\n", cpool->tag, offset);
        break;
    }
    rz_buf_seek(buf, offset, SEEK_SET);
    free(cpool);
    return NULL;
}

References CONSTANT_POOL_CLASS, constant_pool_copy_from_buffer(), CONSTANT_POOL_DOUBLE, CONSTANT_POOL_DYNAMIC, CONSTANT_POOL_FIELDREF, CONSTANT_POOL_FLOAT, CONSTANT_POOL_INTEGER, CONSTANT_POOL_INTERFACEMETHODREF, CONSTANT_POOL_INVOKEDYNAMIC, CONSTANT_POOL_LONG, CONSTANT_POOL_METHODHANDLE, CONSTANT_POOL_METHODREF, CONSTANT_POOL_METHODTYPE, CONSTANT_POOL_MODULE, CONSTANT_POOL_NAMEANDTYPE, CONSTANT_POOL_PACKAGE, CONSTANT_POOL_STRING, CONSTANT_POOL_UNICODE, CONSTANT_POOL_UTF8, CONSTANT_POOL_ZERO, free(), NULL, java_constant_pool_t::offset, PFMT64x, rz_buf_read8(), rz_buf_read_be16, rz_buf_seek(), RZ_LOG_ERROR, RZ_NEW0, rz_return_val_if_fail, SEEK_SET, and java_constant_pool_t::tag.

Referenced by java_class_parse().

java_constant_pool_requires_null()

bool java_constant_pool_requires_null

(

const ConstPool *

cpool

)

Definition at line 152 of file class_const_pool.c.

                                                              {
    rz_return_val_if_fail(cpool, false);
    // https://github.com/openjdk/jdk/blob/master/src/jdk.jdeps/share/classes/com/sun/tools/javap/ConstantWriter.java#L73
    // https://github.com/openjdk/jdk/blob/master/src/jdk.jdeps/share/classes/com/sun/tools/javap/ConstantWriter.java#L116
    return cpool->tag == CONSTANT_POOL_DOUBLE || cpool->tag == CONSTANT_POOL_LONG;
}

References CONSTANT_POOL_DOUBLE, CONSTANT_POOL_LONG, rz_return_val_if_fail, and java_constant_pool_t::tag.

Referenced by java_class_parse().

java_constant_pool_resolve()

ut32 java_constant_pool_resolve	(	const ConstPool *	cpool,
		ut16 *	arg0,
		ut16 *	arg1
	)

Definition at line 215 of file class_const_pool.c.

                                                                                {
    rz_return_val_if_fail(cpool, 0);
    ut16 unused1;
    if (!arg1) {
        arg1 = &unused1;
    }
 
    switch (cpool->tag) {
    case CONSTANT_POOL_METHODHANDLE: {
        *arg0 = rz_read_be16(cpool->buffer + 1);
        return 1;
    }
    case CONSTANT_POOL_FIELDREF:
    case CONSTANT_POOL_METHODREF:
    case CONSTANT_POOL_INTERFACEMETHODREF:
    case CONSTANT_POOL_NAMEANDTYPE:
    case CONSTANT_POOL_DYNAMIC:
    case CONSTANT_POOL_INVOKEDYNAMIC: {
        *arg0 = rz_read_be16(cpool->buffer);
        *arg1 = rz_read_be16(cpool->buffer + 2);
        return 2;
    }
    case CONSTANT_POOL_METHODTYPE:
    case CONSTANT_POOL_CLASS:
    case CONSTANT_POOL_STRING:
    case CONSTANT_POOL_MODULE:
    case CONSTANT_POOL_PACKAGE: {
        *arg0 = rz_read_be16(cpool->buffer);
        return 1;
    }
    default:
        break;
    }
    return 0;
}

References java_constant_pool_t::buffer, CONSTANT_POOL_CLASS, CONSTANT_POOL_DYNAMIC, CONSTANT_POOL_FIELDREF, CONSTANT_POOL_INTERFACEMETHODREF, CONSTANT_POOL_INVOKEDYNAMIC, CONSTANT_POOL_METHODHANDLE, CONSTANT_POOL_METHODREF, CONSTANT_POOL_METHODTYPE, CONSTANT_POOL_MODULE, CONSTANT_POOL_NAMEANDTYPE, CONSTANT_POOL_PACKAGE, CONSTANT_POOL_STRING, rz_read_be16(), rz_return_val_if_fail, and java_constant_pool_t::tag.

Referenced by rz_bin_java_class_as_libraries(), rz_bin_java_class_as_source_code(), rz_bin_java_class_const_pool_as_imports(), rz_bin_java_class_const_pool_as_symbols(), rz_bin_java_class_const_pool_resolve_index(), rz_bin_java_class_interfaces_as_json(), rz_bin_java_class_interfaces_as_text(), rz_bin_java_class_name(), and rz_bin_java_class_super().

java_constant_pool_stringify()

char* java_constant_pool_stringify

(

const ConstPool *

cpool

)

Definition at line 159 of file class_const_pool.c.

                                                           {
    rz_return_val_if_fail(cpool, NULL);
 
    switch (cpool->tag) {
    case CONSTANT_POOL_UTF8:
    case CONSTANT_POOL_UNICODE: {
        if (!cpool->size) {
            return NULL;
        }
        return rz_str_escape_mutf8_for_json((const char *)cpool->buffer, cpool->size);
    }
    case CONSTANT_POOL_LONG: {
        st64 value = rz_read_be64(cpool->buffer);
        return rz_str_newf("0x%" PFMT64x, value);
    }
    case CONSTANT_POOL_DOUBLE: {
        double value = rz_read_be_double(cpool->buffer);
        return rz_str_newf("%.16lgd", value);
    }
    case CONSTANT_POOL_INTEGER: {
        st32 value = rz_read_be32(cpool->buffer);
        return rz_str_newf("0x%" PFMT32x, value);
    }
    case CONSTANT_POOL_FLOAT: {
        float value = rz_read_be_float(cpool->buffer);
        return rz_str_newf("%6gf", value);
    }
    case CONSTANT_POOL_METHODHANDLE: {
        ut16 kind = cpool->buffer[0];
        ut16 index = rz_read_be16(cpool->buffer + 1);
        return rz_str_newf("%u:#%u", kind, index);
    }
    case CONSTANT_POOL_FIELDREF:
    case CONSTANT_POOL_METHODREF:
    case CONSTANT_POOL_INTERFACEMETHODREF:
    case CONSTANT_POOL_NAMEANDTYPE:
    case CONSTANT_POOL_DYNAMIC:
    case CONSTANT_POOL_INVOKEDYNAMIC: {
        ut16 arg0 = rz_read_be16(cpool->buffer);
        ut16 arg1 = rz_read_be16(cpool->buffer + 2);
        return rz_str_newf("#%u:#%u", arg0, arg1);
    }
    case CONSTANT_POOL_METHODTYPE:
    case CONSTANT_POOL_CLASS:
    case CONSTANT_POOL_STRING:
    case CONSTANT_POOL_MODULE:
    case CONSTANT_POOL_PACKAGE: {
        ut16 value = rz_read_be16(cpool->buffer);
        return rz_str_newf("#%u", value);
    }
    default:
        break;
    }
    return NULL;
}

References java_constant_pool_t::buffer, CONSTANT_POOL_CLASS, CONSTANT_POOL_DOUBLE, CONSTANT_POOL_DYNAMIC, CONSTANT_POOL_FIELDREF, CONSTANT_POOL_FLOAT, CONSTANT_POOL_INTEGER, CONSTANT_POOL_INTERFACEMETHODREF, CONSTANT_POOL_INVOKEDYNAMIC, CONSTANT_POOL_LONG, CONSTANT_POOL_METHODHANDLE, CONSTANT_POOL_METHODREF, CONSTANT_POOL_METHODTYPE, CONSTANT_POOL_MODULE, CONSTANT_POOL_NAMEANDTYPE, CONSTANT_POOL_PACKAGE, CONSTANT_POOL_STRING, CONSTANT_POOL_UNICODE, CONSTANT_POOL_UTF8, NULL, PFMT32x, PFMT64x, rz_read_be16(), rz_read_be32(), rz_read_be64(), rz_read_be_double(), rz_read_be_float(), rz_return_val_if_fail, rz_str_escape_mutf8_for_json(), rz_str_newf(), java_constant_pool_t::size, st32, st64, java_constant_pool_t::tag, and value.

Referenced by java_class_constant_pool_stringify_at(), java_set_sdb(), resolve_const_pool_index(), rz_bin_java_class_const_pool_as_json(), rz_bin_java_class_const_pool_as_text(), rz_bin_java_class_const_pool_resolve_index(), rz_bin_java_class_fields_as_binfields(), rz_bin_java_class_fields_as_symbols(), rz_bin_java_class_language(), rz_bin_java_class_methods_as_symbols(), and rz_bin_java_class_strings().

java_constant_pool_tag_name()

const char* java_constant_pool_tag_name

(

const ConstPool *

cpool

)

Definition at line 86 of file class_const_pool.c.

                                                                {
    rz_return_val_if_fail(cpool, NULL);
    switch (cpool->tag) {
    case CONSTANT_POOL_ZERO:
        return "Zero";
    case CONSTANT_POOL_UTF8:
        return "Utf8";
    case CONSTANT_POOL_UNICODE:
        return "Unicode";
    case CONSTANT_POOL_INTEGER:
        return "Integer";
    case CONSTANT_POOL_FLOAT:
        return "Float";
    case CONSTANT_POOL_LONG:
        return "Long";
    case CONSTANT_POOL_DOUBLE:
        return "Double";
    case CONSTANT_POOL_CLASS:
        return "Class";
    case CONSTANT_POOL_STRING:
        return "String";
    case CONSTANT_POOL_FIELDREF:
        return "Fieldref";
    case CONSTANT_POOL_METHODREF:
        return "Methodref";
    case CONSTANT_POOL_INTERFACEMETHODREF:
        return "InterfaceMethodref";
    case CONSTANT_POOL_NAMEANDTYPE:
        return "NameAndType";
    case CONSTANT_POOL_METHODHANDLE:
        return "MethodHandle";
    case CONSTANT_POOL_METHODTYPE:
        return "MethodType";
    case CONSTANT_POOL_DYNAMIC:
        return "Dynamic";
    case CONSTANT_POOL_INVOKEDYNAMIC:
        return "InvokeDynamic";
    case CONSTANT_POOL_MODULE:
        return "Module";
    case CONSTANT_POOL_PACKAGE:
        return "Package";
    default:
        return NULL;
    }
}

References CONSTANT_POOL_CLASS, CONSTANT_POOL_DOUBLE, CONSTANT_POOL_DYNAMIC, CONSTANT_POOL_FIELDREF, CONSTANT_POOL_FLOAT, CONSTANT_POOL_INTEGER, CONSTANT_POOL_INTERFACEMETHODREF, CONSTANT_POOL_INVOKEDYNAMIC, CONSTANT_POOL_LONG, CONSTANT_POOL_METHODHANDLE, CONSTANT_POOL_METHODREF, CONSTANT_POOL_METHODTYPE, CONSTANT_POOL_MODULE, CONSTANT_POOL_NAMEANDTYPE, CONSTANT_POOL_PACKAGE, CONSTANT_POOL_STRING, CONSTANT_POOL_UNICODE, CONSTANT_POOL_UTF8, CONSTANT_POOL_ZERO, NULL, rz_return_val_if_fail, and java_constant_pool_t::tag.

Referenced by rz_bin_java_class_const_pool_as_json(), and rz_bin_java_class_const_pool_as_text().