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Add double click to seek to global var in decompiler (#2871)

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nirkog 2022-01-08 15:53:27 +02:00 committed by Anton Kochkov
parent 138078a6f4
commit 5c4ba4891d
2 changed files with 41 additions and 3 deletions
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32
src/widgets/DecompilerWidget.cpp
View File

@ -115,6 +115,28 @@ Decompiler *DecompilerWidget::getCurrentDecompiler()
return Core()->getDecompilerById(ui->decompilerComboBox->currentData().toString());
}
ut64 DecompilerWidget::findReference(size_t pos)
{
size_t closestPos = SIZE_MAX;
ut64 closestOffset = RVA_INVALID;
void *iter;
rz_vector_foreach(&code->annotations, iter)
{
RzCodeAnnotation *annotation = (RzCodeAnnotation *)iter;
if (!(annotation->type == RZ_CODE_ANNOTATION_TYPE_GLOBAL_VARIABLE)
|| annotation->start > pos || annotation->end <= pos) {
continue;
}
if (closestPos != SIZE_MAX && closestPos >= annotation->start) {
continue;
}
closestPos = annotation->start;
closestOffset = annotation->reference.offset;
}
return closestOffset;
}
ut64 DecompilerWidget::offsetForPosition(size_t pos)
{
size_t closestPos = SIZE_MAX;
@ -123,7 +145,8 @@ ut64 DecompilerWidget::offsetForPosition(size_t pos)
rz_vector_foreach(&code->annotations, iter)
{
RzCodeAnnotation *annotation = (RzCodeAnnotation *)iter;
if (annotation->type != RZ_CODE_ANNOTATION_TYPE_OFFSET || annotation->start > pos
if (!(annotation->type == RZ_CODE_ANNOTATION_TYPE_OFFSET) || annotation->start > pos
|| annotation->end <= pos) {
continue;
}
@ -479,8 +502,11 @@ void DecompilerWidget::showDecompilerContextMenu(const QPoint &pt)
void DecompilerWidget::seekToReference()
{
size_t pos = ui->textEdit->textCursor().position();
RVA offset = offsetForPosition(pos);
seekable->seekToReference(offset);
RVA offset = findReference(pos);
if (offset != RVA_INVALID) {
seekable->seek(offset);
}
seekable->seekToReference(offsetForPosition(pos));
}
bool DecompilerWidget::eventFilter(QObject *obj, QEvent *event)

12
src/widgets/DecompilerWidget.h
View File

@ -198,6 +198,18 @@ private:
* @param endPos - Position of the end of the range(inclusive).
*/
void gatherBreakpointInfo(RzAnnotatedCode &codeDecompiled, size_t startPos, size_t endPos);
/**
* @brief Finds the global variable reference that's closes to the specified position in the
* decompiled code. Same as offsetForPosition but for global references only
*
* @note If no global reference annotations are found at the given position, an RVA_INVALID is
* returned
*
* @param pos - Position in the decompiled code
* @return Address of the referenced global for the specified position, or RVA_INVALID if none
* is found
*/
ut64 findReference(size_t pos);
/**
* @brief Finds the offset that's closest to the specified position in the decompiled code.
*