Linux System Programming > Obtaining the Return Address of a Function

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Linux System Programming

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Foreword

Preface

Ch. 1. Introduction and Essential Concepts

Ch. 2. File I/O

Ch. 3. Buffered I/O

Ch. 4. Advanced File I/O

Ch. 5. Process Management

Ch. 6. Advanced Process Management

Ch. 7. File and Directory Management

Ch. 8. Memory Management

Ch. 9. Signals

Ch. 10. Time

Appx. A. GCC Extensions to the C Language

Functions That Do Not Return

Functions That Allocate Memory

Forcing Callers to Check the Return Value

Marking Functions As Deprecated

Marking Functions As Used

Marking Functions or Parameters As Unused

Packing a Structure

Increasing the Alignment of a Variable

Placing Global Variables in a Register

Branch Annotation

Getting the Type of an Expression

Getting the Alignment of a Type

The Offset of a Member Within a Structure

Obtaining the Return Address of a Function

Case Ranges

Void and Function Pointer Arithmetic

More Portable and More Beautiful in One Fell Swoop

Bibliography

Colophon

Index

A.19. Obtaining the Return Address of a Function

GCC provides a keyword for obtaining the return address of the current function, or one of the callers of the current function:

void * _  _builtin_return_address (unsigned int level)

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Contents

Section A.19. Obtaining the Return Address of a Function

A.19. Obtaining the Return Address of a Function