126 lines
3.1 KiB
C
126 lines
3.1 KiB
C
// SPDX-FileCopyrightText: 2010-2020 pancake <pancake@nopcode.org>
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// SPDX-License-Identifier: LGPL-3.0-only
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#include <rz_analysis.h>
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RZ_API RzAnalysisValue *rz_analysis_value_new(void) { // macro for this ?
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return RZ_NEW0(RzAnalysisValue);
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}
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RZ_API RzAnalysisValue *rz_analysis_value_new_from_string(const char *str) {
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/* TODO */
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return NULL;
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}
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RZ_API RzAnalysisValue *rz_analysis_value_copy(RzAnalysisValue *ov) {
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rz_return_val_if_fail(ov, NULL);
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RzAnalysisValue *v = RZ_NEW0(RzAnalysisValue);
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if (!v) {
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return NULL;
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}
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memcpy(v, ov, sizeof(RzAnalysisValue));
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// reference to reg and regdelta should be kept
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return v;
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}
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// TODO: move into .h as #define free
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RZ_API void rz_analysis_value_free(RzAnalysisValue *value) {
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free(value);
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#if 0
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ut64 pval = (ut64)(size_t)value;
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if (pval && pval != UT64_MAX) {
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/* TODO: free RzRegItem objects? */
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free (value);
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}
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#endif
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}
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// mul*value+regbase+regidx+delta
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RZ_API ut64 rz_analysis_value_to_ut64(RzAnalysis *analysis, RzAnalysisValue *val) {
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ut64 num;
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if (!val) {
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return 0LL;
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}
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num = val->base + (val->delta * (val->mul ? val->mul : 1));
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if (val->reg) {
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num += rz_reg_get_value(analysis->reg, val->reg);
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}
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if (val->regdelta) {
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num += rz_reg_get_value(analysis->reg, val->regdelta);
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}
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switch (val->memref) {
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case 1:
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case 2:
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case 4:
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case 8:
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// analysis->bio ...
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RZ_LOG_DEBUG("memref for to_ut64 not supported\n");
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break;
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}
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return num;
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}
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RZ_API int rz_analysis_value_set_ut64(RzAnalysis *analysis, RzAnalysisValue *val, ut64 num) {
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if (val->memref) {
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if (analysis->iob.io) {
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ut8 data[8];
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ut64 addr = rz_analysis_value_to_ut64(analysis, val);
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rz_mem_set_num(data, val->memref, num);
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analysis->iob.write_at(analysis->iob.io, addr, data, val->memref);
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} else {
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RZ_LOG_ERROR("No IO binded to rz_analysis\n");
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}
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} else {
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if (val->reg) {
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rz_reg_set_value(analysis->reg, val->reg, num);
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}
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}
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return false; // is this necessary
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}
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RZ_API char *rz_analysis_value_to_string(RzAnalysisValue *value) {
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char *out = NULL;
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if (value) {
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out = rz_str_new("");
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if (!value->base && !value->reg) {
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if (value->imm != -1LL) {
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out = rz_str_appendf(out, "0x%" PFMT64x, value->imm);
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} else {
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out = rz_str_append(out, "-1");
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}
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} else {
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if (value->memref) {
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switch (value->memref) {
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case 1: out = rz_str_append(out, "(char)"); break;
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case 2: out = rz_str_append(out, "(short)"); break;
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case 4: out = rz_str_append(out, "(word)"); break;
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case 8: out = rz_str_append(out, "(dword)"); break;
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}
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out = rz_str_append(out, "[");
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}
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if (value->mul) {
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out = rz_str_appendf(out, "%d*", value->mul);
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}
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if (value->reg) {
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out = rz_str_appendf(out, "%s", value->reg->name);
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}
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if (value->regdelta) {
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out = rz_str_appendf(out, "+%s", value->regdelta->name);
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}
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if (value->base != 0) {
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out = rz_str_appendf(out, "0x%" PFMT64x, value->base);
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}
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if (value->delta > 0) {
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out = rz_str_appendf(out, "+0x%" PFMT64x, value->delta);
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} else if (value->delta < 0) {
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out = rz_str_appendf(out, "-0x%" PFMT64x, -value->delta);
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}
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if (value->memref) {
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out = rz_str_append(out, "]");
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}
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}
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}
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return out;
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}
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