---
name: "dwarf_transform_to_disk_form"
section: "3"
platform: "freebsd"
package: "base"
version: "16.0-CURRENT-20261027-61c70dc16a79"
release: "FreeBSD 16.0-CURRENT (2026-10-27)"
platforms: ["freebsd"]
url: "https://new.carta.tech/dwarf_transform_to_disk_form"
---

# dwarf\_transform\_to\_disk\_form(3)

transform DWARF information into byte streams

## NAME

**dwarf\_transform\_to\_disk\_form** – transform DWARF information into byte streams

## LIBRARY

library “libdwarf”

## SYNOPSIS

**#include \<libdwarf.h\>**

*Dwarf\_Signed*\

**dwarf\_transform\_to\_disk\_form**(*Dwarf\_P\_Debug dbg*, *Dwarf\_Error \*err*);

## DESCRIPTION

Function **dwarf\_transform\_to\_disk\_form**() transforms the DWARF information gathered by the producer into byte streams for the application to write out as ELF sections. If the flag DW\_DLC\_SYMBOLIC\_RELOCATIONS is set on the producer, the function will also generate the associated relocation arrays.

Argument *dbg* should reference a DWARF producer instance allocated using [dwarf\_producer\_init(3)](/dwarf_producer_init/3.md) or [dwarf\_producer\_init\_b(3)](/dwarf_producer_init_b/3.md).

If argument *err* is not NULL, it will be used to store error information in case of an error.

After a call to this function, the application can call the function [dwarf\_get\_section\_bytes(3)](/dwarf_get_section_bytes/3.md) to retrieve the byte streams for each ELF section. If the flag DW\_DLC\_SYMBOLIC\_RELOCATIONS was set on the descriptor, the application can also call the function [dwarf\_get\_relocation\_info(3)](/dwarf_get_relocation_info/3.md) to retrieve the generated relocation arrays.

## RETURN VALUES

On success, function **dwarf\_transform\_to\_disk\_form**() returns the total number of ELF sections generated. In case of an error, function **dwarf\_transform\_to\_disk\_form**() returns DW\_DLV\_NOCOUNT and sets the argument *err*.

## ERRORS

Function **dwarf\_transform\_to\_disk\_form**() can fail with:

- \[DW\_DLE\_ARGUMENT\]

  Argument *dbg* was NULL.

- \[DW\_DLE\_MEMORY\]

  An out of memory condition was encountered during execution.

## SEE ALSO

[dwarf(3)](/dwarf/3.md), [dwarf\_get\_relocation\_info(3)](/dwarf_get_relocation_info/3.md), [dwarf\_get\_section\_bytes(3)](/dwarf_get_section_bytes/3.md), [dwarf\_producer\_init(3)](/dwarf_producer_init/3.md), [dwarf\_producer\_init\_b(3)](/dwarf_producer_init_b/3.md)