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| author | H.J. Lu <hjl.tools@gmail.com> | 2005-10-15 14:57:55 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2005-10-15 14:57:55 +0000 |
| commit | ecca98713a19ac7aac31886b4b15b806e63d9a99 (patch) | |
| tree | 8606d4daeccd04e698371f934ba62278dd283d25 /ld/ld.texinfo | |
| parent | ff0929e51c0e9c26e0cf1e6b7229803ccd7cc769 (diff) | |
| download | gdb-ecca98713a19ac7aac31886b4b15b806e63d9a99.zip gdb-ecca98713a19ac7aac31886b4b15b806e63d9a99.tar.gz gdb-ecca98713a19ac7aac31886b4b15b806e63d9a99.tar.bz2 | |
bfd/
2005-10-15 H.J. Lu <hongjiu.lu@intel.com>
PR ld/1467
* elf-bfd.h (_bfd_elf_match_sections_by_type): New.
(_bfd_generic_match_sections_by_type): New. Defined.
* elf.c (_bfd_elf_match_sections_by_type): New.
* libbfd-in.h (_bfd_generic_match_sections_by_type): New.
* bfd-in2.h: Regenerated.
* libbfd.h: Likewise.
* libbfd.c (_bfd_generic_match_sections_by_type): New.
* targets.c (BFD_JUMP_TABLE_LINK): Initialize
_bfd_match_sections_by_type with
_bfd_generic_match_sections_by_type.
(bfd_target): Add _bfd_match_sections_by_type.
ld/
2005-10-15 H.J. Lu <hongjiu.lu@intel.com>
PR ld/1467
* emultempl/elf32.em: Include "elf-bfd.h".
(gld${EMULATION_NAME}_place_orphan): Check section type and
don't use section name for ELF input sections.
* ld.texinfo: Document orphan section processing.
* ldlang.c (lang_output_section_find_by_flags): Match section
types by calling bfd_match_sections_by_type.
Diffstat (limited to 'ld/ld.texinfo')
| -rw-r--r-- | ld/ld.texinfo | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/ld/ld.texinfo b/ld/ld.texinfo index 238fde9..d7673fd 100644 --- a/ld/ld.texinfo +++ b/ld/ld.texinfo @@ -4442,6 +4442,7 @@ expressions. @menu * Constants:: Constants * Symbols:: Symbol Names +* Orphan Sections:: Orphan Sections * Location Counter:: The Location Counter * Operators:: Operators * Evaluation:: Evaluation @@ -4503,6 +4504,22 @@ Since symbols can contain many non-alphabetic characters, it is safest to delimit symbols with spaces. For example, @samp{A-B} is one symbol, whereas @samp{A - B} is an expression involving subtraction. +@node Orphan Sections +@subsection Orphan Sections +@cindex orphan +Orphan sections are sections present in the input files which +are not explicitly placed into the output file by the linker +script. The linker will still copy these sections into the +output file, but it has to guess as to where they should be +placed. The linker uses a simple heuristic to do this. It +attempts to place orphan sections after non-orphan sections of the +same attribute, such as code vs data, loadable vs non-loadable, etc. +If there is not enough room to do this then it places +at the end of the file. + +For ELF targets, the attribute of the section includes section type as +well as section flag. + @node Location Counter @subsection The Location Counter @kindex . |