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100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/* radare - LGPL - Copyright 2010-2011 - pancake<nopcode.org> */
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#include <r_anal.h>
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R_API RAnalValue *r_anal_value_new() { //makro for this ?
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return R_NEW0 (RAnalValue);
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}
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R_API RAnalValue *r_anal_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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R_API RAnalValue *r_anal_value_copy(RAnalValue *ov) {
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RAnalValue *v = R_NEW0 (RAnalValue);
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if (!v) return NULL;
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memcpy (v, ov, sizeof (RAnalValue));
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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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R_API void r_anal_value_free(RAnalValue *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 RRegItem 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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R_API ut64 r_anal_value_to_ut64(RAnal *anal, RAnalValue *val) {
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ut64 num;
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if (!val)
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return 0LL;
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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 += r_reg_get_value (anal->reg, val->reg);
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if (val->regdelta)
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num += r_reg_get_value (anal->reg, val->regdelta);
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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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//anal->bio ...
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eprintf ("TODO: 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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R_API int r_anal_value_set_ut64(RAnal *anal, RAnalValue *val, ut64 num) {
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if (val->memref) {
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if (anal->iob.io) {
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ut8 data[8];
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ut64 addr = r_anal_value_to_ut64 (anal, val);
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r_mem_set_num (data, val->memref, num);
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anal->iob.write_at (anal->iob.io, addr, data, val->memref);
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} else eprintf ("No IO binded to r_anal\n");
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} else {
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if (val->reg)
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r_reg_set_value (anal->reg, val->reg, num);
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}
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return false; //is this necessary
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}
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R_API char *r_anal_value_to_string (RAnalValue *value) {
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char *out = NULL;
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if (value) {
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out = r_str_new ("");
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if (!value->base && !value->reg) {
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if (value->imm != -1LL)
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out = r_str_appendf (out, "0x%"PFMT64x, value->imm);
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else out = r_str_append (out, "-1");
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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 = r_str_append (out, "(char)"); break;
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case 2: out = r_str_append (out, "(short)"); break;
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case 4: out = r_str_append (out, "(word)"); break;
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case 8: out = r_str_append (out, "(dword)"); break;
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}
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out = r_str_append (out, "[");
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}
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if (value->mul) out = r_str_appendf (out, "%d*", value->mul);
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if (value->reg) out = r_str_appendf (out, "%s", value->reg->name);
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if (value->regdelta) out = r_str_appendf (out, "+%s", value->regdelta->name);
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if (value->base!=0) out = r_str_appendf (out, "0x%"PFMT64x, value->base);
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if (value->delta>0) out = r_str_appendf (out, "+0x%"PFMT64x, value->delta);
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else if (value->delta<0) out = r_str_appendf (out, "-0x%"PFMT64x, -value->delta);
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if (value->memref) out = r_str_append (out, "]");
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}
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}
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return out;
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}
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