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antic183/Speicherlayout

Last active February 3, 2026 22:01
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Speicherlayout eines Programms (process memory layout)
Raw
Speicherlayout
Hohe Speicheradressen
+--------------------------------------------------+
| Stack ↓ | ← wächst nach unten
| Stack Frame: foo() |
| - Rücksprungadresse → Text-Segment | ← Adresse im Programmcode, wohin return geht
| - Parameter der Funktion |
| - Lokale Variablen |
| - Zeiger/Referenzen auf Heap-Objekte | ← falls lokale Variablen Objekte referenzieren
| |
| Stack Frame: bar() |
| - Rücksprungadresse → Text-Segment |
| - Parameter |
| - Lokale Variablen |
| - Zeiger/Referenzen auf Heap-Objekte |
+--------------------------------------------------+
| Heap ↑ | ← wächst nach oben
| Objekt: obj1 |
| - Feld x = 10 |
| - Feld y = 20 |
| |
| Objekt: obj2 |
| - Feld a |
| - Feld b |
| |
| Arrays / dynamisch allokierte Daten |
+--------------------------------------------------+
| BSS | ← globale/statische Variablen (nicht initialisierte Variablen)
+--------------------------------------------------+
| Data | ← globale/statische Variablen (initialisierte Variablen)
+--------------------------------------------------+
| Text | ← Programmcode
| Funktionen / Methoden |
| Maschinencode |
+--------------------------------------------------+
Niedrige Speicheradressen
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