Linux and UNIX Man Pages

Test Your Knowledge in Computers #695
Difficulty: Easy
The Cathedral and the Bazaar: Musings on Linux and Open Source by an Accidental Revolutionary (abbreviated CatB) is an essay, and later a book, written by Alfred Hitchcock on software engineering methods.
True or False?
Linux & Unix Commands - Search Man Pages

dwarf_transform_to_disk_form(3) [freebsd man page]

DWARF_TRANSFORM_TO_DISK_FORM(3) 			   BSD Library Functions Manual 			   DWARF_TRANSFORM_TO_DISK_FORM(3)

NAME
dwarf_transform_to_disk_form -- transform DWARF information into byte streams LIBRARY
DWARF Access Library (libdwarf, -ldwarf) 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) or dwarf_producer_init_b(3). 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) 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) 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_get_relocation_info(3), dwarf_get_section_bytes(3), dwarf_producer_init(3), dwarf_producer_init_b(3) BSD
August 25, 2011 BSD

Check Out this Related Man Page

DWARF_ADD_ARANGE(3)					   BSD Library Functions Manual 				       DWARF_ADD_ARANGE(3)

NAME
dwarf_add_arange, dwarf_add_arange_b -- add address range information to a DWARF producer instance LIBRARY
DWARF Access Library (libdwarf, -ldwarf) SYNOPSIS
#include <libdwarf.h> Dwarf_Unsigned dwarf_add_arange(Dwarf_P_Debug dbg, Dwarf_Addr start, Dwarf_Unsigned length, Dwarf_Signed symbol_index, Dwarf_Error *err); Dwarf_Unsigned dwarf_add_arange_b(Dwarf_P_Debug dbg, Dwarf_Addr start, Dwarf_Unsigned length, Dwarf_Unsigned symbol_index, Dwarf_Unsigned end_symbol_index, Dwarf_Addr offset_from_end_symbol, Dwarf_Error *err); DESCRIPTION
Function dwarf_add_arange_b() adds an address range entry to a producer instance. Argument dbg should reference a DWARF producer instance allocated using dwarf_producer_init(3) or dwarf_producer_init_b(3). Argument start specifies the relocatable start address of the address range. Argument length specifies the length of the address range. Argument symbol_index specifies the ELF symbol index of the first symbol to be used for relocation. Argument end_symbol_index specifies the ELF symbol index of the second symbol to be used for relocation. o If argument end_symbol_index is not 0, the DW_DLC_SYMBOLIC_RELOCATIONS flag should have been set on the DWARF producer instance. The address value specified by argument start will be treated as an offset value from the first symbol, and the argument offset_from_end_symbol should hold an offset value from the second symbol. Application code can retrieve the relocation entries for the symbol pair by calling function dwarf_get_relocation_info(3). The relocation entry for the first symbol will have type dwarf_drt_first_of_length_pair and the relocation entry for the second symbol will have type dwarf_drt_second_of_length_pair. o If argument end_symbol_index is 0, argument offset_from_end_symbol will be ignored and only one symbol is used for relocation. If argument err is not NULL, it will be used to store error information in case of an error. Function dwarf_add_arange() is deprecated. It is similar to function dwarf_add_arange_b() except that it cannot handle all possible symbol index values and supports only one relocation symbol. RETURN VALUES
On success, these functions return a non-zero value. In case of an error, these functions return 0 and set the argument err. ERRORS
These functions can fail with: [DW_DLE_ARGUMENT] Argument dbg was NULL. [DW_DLE_ARGUMENT] Argument end_symbol_index was non-zero, but the flag DW_DLC_SYMBOLIC_RELOCATIONS was not set on the producer instance. [DW_DLE_MEMORY] An out of memory condition was encountered during the execution of the function. SEE ALSO
dwarf(3), dwarf_get_relocation_info(3), dwarf_producer_init(3), dwarf_producer_init_b(3) BSD
September 18, 2011 BSD

Featured Tech Videos