Commit Graph

39 Commits

Author SHA1 Message Date
John Birrell
9445f413ee Relax the strict type check because gcc as distributed doesn't create
debug strtabs with type SHT_STRTAB. Although we could change FreeBSD's
gcc, we really need to play nicely with gcc as distributed by the FSF.
2008-05-23 07:35:36 +00:00
John Birrell
7d15d0a9c6 Change the alignment of the NOTE to match what gcc does. 2008-05-23 07:33:45 +00:00
John Birrell
c4607eb7ad Add the case for SHT_AMD64_UNWIND. 2008-05-23 07:32:19 +00:00
Christian Brueffer
662cac9f23 Fix some "in in" typos in comments.
PR:		121490
Submitted by:	Anatoly Borodin <anatoly.borodin@gmail.com>
Approved by:	rwatson (mentor), jkoshy
MFC after:	3 days
2008-03-26 07:32:08 +00:00
Joseph Koshy
b23372cd8e Ensure that the section header table is written out in an order
consistent with the section indices returned to the application by
elf_ndxscn().

Submitted by:		kaiw
2008-03-19 06:06:34 +00:00
Joseph Koshy
df7d1e2023 Clarify that the ELF library only sets the sh_entsize field of a
section header entry if the application is not taking charge of ELF
object layout.

Update (c) years, and bump the manual page's date.

Submitted by:		kaiw
2008-03-19 05:07:49 +00:00
Joseph Koshy
2a100d2353 - Fix an off-by-one bug in _libelf_insert_section(). [1]
- Update (c) years.

Submitted by:		kaiw [1]
2008-03-03 04:29:25 +00:00
Joseph Koshy
48f9a2656a Translate the r_info field of ELF relocation records when converting
between 64 and 32 bit variants.

Submitted by:		kaiw
2008-03-02 06:33:10 +00:00
Joseph Koshy
e77357ea2d Document the return type for gelf_fsize(3).
Submitted by:		kaiw
2008-02-04 18:50:28 +00:00
Joseph Koshy
742fe6de5d - Allow source descriptors with no data to be used as arguments to the
elf{32,64}_xlateto[fm]() translation functions.  This change makes our
  libelf compatible with other ELF(3) implementations. [1]
- Update manual page to reflect this change.
- Style fixes: wrap a long line.

Submitted by:	jb [1]
2007-11-26 03:09:33 +00:00
Joseph Koshy
1eb6c69045 Sections of type SHT_GNU_versym use ELF type ELF_T_HALF. Update manual
page and code to match.

Submitted by:	jb
MFC After: 	1 day
2007-11-23 11:29:36 +00:00
Joseph Koshy
a3347b3e74 Consistently use the word 'flag' to refer to ELF_F_* constants.
MFC after:	1 day
2007-10-22 03:38:43 +00:00
Joseph Koshy
cb32f86c1d Remove references to the 'e_phnum' field of the ELF header. Instead,
point the reader to the elf_getphnum() function.

MFC after:	1 day
2007-10-21 05:15:07 +00:00
Joseph Koshy
a649990050 Refer the reader to the elf_update(3) manual page for more information
on application control of ELF object layout.

MFC after:	1 day
2007-10-21 05:08:40 +00:00
Joseph Koshy
64cd6a1100 Do not generate unneeded initializers.
Approved by:	re (bmah)
2007-09-09 02:10:53 +00:00
Joseph Koshy
36c39678d6 Fix a bug that prevented applications from laying out ELF objects
with section header tables residing in between other sections.

Introduce additional checks for overlaps between section data and
the section header table when the application is performing section
layout.

Document additional error returns.

Reported by:	Kai Wang <kaiw27 at gmail dot com>
Approved by:	re (rwatson)
2007-09-08 08:20:12 +00:00
Joseph Koshy
c73743b6ce Cross-reference the correct manual page.
Approved by:	re (bmah)
2007-07-28 15:35:03 +00:00
Daniel Eischen
5f864214bb Use C comments since we now preprocess these files with CPP. 2007-04-29 14:05:22 +00:00
Joseph Koshy
a77c710a25 Describe the contents of the "ar_name" and "ar_rawname" fields of
Elf_Arhdr structures better.
2007-03-27 04:47:50 +00:00
Joseph Koshy
7a3d57d27a Bug fixes to ar(1) archive handling:
- Correctly retrieve the initial (special) members of an archive after
   an archive descriptor is rewound using elf_rand(SARMAG).
 - Do not strip trailing white space from the 'raw' names retrieved
   using elf_getarhdr().

Reported by:	"Hyo geol, Lee" <hyogeollee at gmail dot com>
2007-03-27 04:40:57 +00:00
Joseph Koshy
77d1ae043e Document the return type of elf_rand(3) correctly. 2007-03-26 16:31:42 +00:00
Joseph Koshy
4864e6c230 Correct a typo.
Submitted by:	 Kai Wang <kaiw27 at gmail dot com>
2007-03-19 03:52:20 +00:00
Joseph Koshy
dad626cccb Add GELF_* accessor macros.
Prodded by:	Sam Arun Raj <samarunraj at gmail dot com>
2007-03-08 04:01:30 +00:00
Joseph Koshy
b309c34bb2 Fix a typo.
Submitted by:	 Kai Wang <kaiw27 at gmail dot com>
2007-03-03 06:13:38 +00:00
Jean-Sébastien Pédron
2483dd1389 Fix a bug with the release of section's raw data. Both release loops
were using translated data linked list, leading to a memory leak.

Jkoshy's testsuite was used to check for non-regression.
2007-02-21 08:14:22 +00:00
Joseph Koshy
5f2891aaa4 Document the additional error returns possible when handling ELF objects
that require extended numbering.
2006-12-25 02:24:39 +00:00
Joseph Koshy
f6c0f35e07 Keep shadow copies of the e_shnum', e_phnum' and `e_shstrndx'
members of the ELF Executable Header inside the library-private
`struct _Elf' descriptor and only update the underlying Elf{32,64}_Ehdr
structure on an elf_update(3) call.  These fields of the Ehdr
structure are technically `out of bounds' for an application program
per the ELF(3) API, but we've seen applications that initialize
a new Ehdr structure using memcpy(), messing up the library's
invariants. [1]

Implement elf_getphnum() and handle ELF objects with more than
64K program header table entries.

Reported by:	jb [1]
2006-12-25 02:22:22 +00:00
Joseph Koshy
a2dc08f2b8 Use strncpy() instead of strlcpy() when copying members of
a `struct ar_hdr'.  These members do not use NUL-termination
while strlcpy() expects its source buffer to be NUL-terminated.
2006-12-25 02:06:32 +00:00
Joseph Koshy
5eaae8bafd Correct a logic error. 2006-12-24 09:45:10 +00:00
Joseph Koshy
2dacb27e06 Use <osreldate.h> rather than the OS version reported by the kernel
to determine which Elf Types are to be handled.  Change the M4
templates to wrap an `#if __FreeBSD_version >= NNN'/`#endif' pair
around the generated code for each ELF data type, where `NNN' is
the OS version where the ELF type was added to the source tree.

This change allows cross-builds of old sources on newer FreeBSD
systems to work correctly.

Problem reported by:	ru
2006-12-18 05:40:01 +00:00
Joseph Koshy
c2f3db731e Use the correct value of __FreeBSD_version. 2006-12-18 05:36:23 +00:00
Joseph Koshy
9d4618fd66 Fix a typo. 2006-12-16 10:45:43 +00:00
Joseph Koshy
e107d208f3 Name the functions documented by this manual page correctly. 2006-12-13 15:14:46 +00:00
Joseph Koshy
61e1aeb6ee Document the ELF types supported by libelf.
Document the relationship between section types (SHT_*) and the
types known to the libelf.
2006-12-11 09:03:27 +00:00
Joseph Koshy
37ec86bb1b Make the generated message from `elf_errmsg(-1)' a little more readable. 2006-12-09 16:27:15 +00:00
Ruslan Ermilov
73eee24650 - style: use =' instead of +=' for initial assignments.
- don't add generated sources' objects to OBJS explicitly;
  GENSRCS is part of SRCS so they were already in OBJS.
2006-11-24 06:38:11 +00:00
Ruslan Ermilov
cd9e086e93 Fix minor formatting issues:
- make document title match filename;
- remove hard sentence breaks, whitespace at EOL, and double whitespace;
- sort SEE ALSO xrefs, adding missing section numbers;
- fix a misspelled macro name.
2006-11-13 09:46:16 +00:00
Joseph Koshy
9167cd6392 - Replace the use of DPSRCS with something more appropriate. DPSRCS
is for when you need something in ".depend", but not compiled in.
- Style fixes: Spell ${.OBJDIR} as ".".
- Neaten a comment.

Submitted by:	ru
2006-11-12 18:43:25 +00:00
Joseph Koshy
3eb1a62e69 MFP4: Add an implementation of the ELF(3) and GELF(3) API set.
Bump __FreeBSD_version.

Reviewed by:	jb
2006-11-11 17:16:35 +00:00