rizin/librz/arch/value.c
Giovanni b5fee3471c
Move RzAnalysis as private and force usage of C API (#6123)
* Hide RzAnalysis structure to force the usage of the C APIs.

* Fix rop code & test

* Fix linter

* Fix rz_analysis_free to return void
2026-04-06 16:07:53 +00:00

109 lines
2.8 KiB
C

// SPDX-FileCopyrightText: 2010-2020 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: LGPL-3.0-only
#include "analysis_private.h"
RZ_API RzAnalysisValue *rz_analysis_value_new(void) { // macro for this ?
return RZ_NEW0(RzAnalysisValue);
}
RZ_API RzAnalysisValue *rz_analysis_value_copy(RzAnalysisValue *ov) {
rz_return_val_if_fail(ov, NULL);
RzAnalysisValue *v = RZ_NEW0(RzAnalysisValue);
if (!v) {
return NULL;
}
memcpy(v, ov, sizeof(RzAnalysisValue));
// reference to reg and regdelta should be kept
return v;
}
// mul*value+regbase+regidx+delta
RZ_API ut64 rz_analysis_value_to_ut64(RzAnalysis *analysis, RzAnalysisValue *val) {
ut64 num;
if (!val) {
return 0LL;
}
num = val->base + (val->delta * (val->mul ? val->mul : 1));
if (val->reg) {
num += rz_reg_get_value(analysis->reg, val->reg);
}
if (val->regdelta) {
num += rz_reg_get_value(analysis->reg, val->regdelta);
}
switch (val->memref) {
case 1:
case 2:
case 4:
case 8:
// analysis->bio ...
RZ_LOG_DEBUG("memref for to_ut64 not supported\n");
break;
}
return num;
}
RZ_API int rz_analysis_value_set_ut64(RzAnalysis *analysis, RzAnalysisValue *val, ut64 num) {
if (val->memref) {
if (analysis->iob.io) {
ut8 data[8];
ut64 addr = rz_analysis_value_to_ut64(analysis, val);
rz_mem_set_num(data, val->memref, num);
analysis->iob.write_at(analysis->iob.io, addr, data, val->memref);
} else {
RZ_LOG_ERROR("No IO binded to rz_analysis\n");
}
} else {
if (val->reg) {
rz_reg_set_value(analysis->reg, val->reg, num);
}
}
return false; // is this necessary
}
RZ_API char *rz_analysis_value_to_string(RzAnalysisValue *value) {
char *out = NULL;
if (value) {
out = rz_str_dup("");
if (!value->base && !value->reg) {
if (value->imm != -1LL) {
out = rz_str_appendf(out, "0x%" PFMT64x, value->imm);
} else {
out = rz_str_append(out, "-1");
}
} else {
if (value->memref) {
switch (value->memref) {
case 1: out = rz_str_append(out, "(char)"); break;
case 2: out = rz_str_append(out, "(short)"); break;
case 4: out = rz_str_append(out, "(word)"); break;
case 8: out = rz_str_append(out, "(dword)"); break;
}
out = rz_str_append(out, "[");
}
if (value->mul) {
out = rz_str_appendf(out, "%" PFMT64d "*", value->mul);
}
if (value->reg) {
out = rz_str_appendf(out, "%s", value->reg->name);
}
if (value->regdelta) {
out = rz_str_appendf(out, "+%s", value->regdelta->name);
}
if (value->base != 0) {
out = rz_str_appendf(out, "0x%" PFMT64x, value->base);
}
if (value->delta > 0) {
out = rz_str_appendf(out, "+0x%" PFMT64x, value->delta);
} else if (value->delta < 0) {
out = rz_str_appendf(out, "-0x%" PFMT64x, -value->delta);
}
if (value->memref) {
out = rz_str_append(out, "]");
}
}
}
return out;
}