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685 Commits

Author SHA1 Message Date
Dmitriy Ivanov
175dae92d7 Fix l_addr for the linker 
Bug: http://b/21765603
Change-Id: I97710ef2436eac2160e29ba3e4521f6e63a1907c
 2015-06-10 19:47:26 -07:00
Evgenii Stepanov
72af1235e4 Merge "Support DT_RUNPATH in the linker." 2015-06-10 23:56:03 +00:00
Evgenii Stepanov
6865082ca6 Support DT_RUNPATH in the linker. 
Only $ORIGIN substitution is supported, but not linux-specific $LIB
or $PLATFORM.

Change-Id: I5814a016c7c91afba080230a547a863686e7c2b9
 2015-06-10 16:44:22 -07:00
Elliott Hughes
ba1d40a3f1 Merge "Statically linked executables should honor AT_SECURE." 2015-06-10 22:49:57 +00:00
Dmitriy Ivanov
f3463db7eb Merge "Check if strtab exists before using it" 2015-06-10 22:26:07 +00:00
Elliott Hughes
1801db3d3f Statically linked executables should honor AT_SECURE. 
Bug: http://b/19647373
Change-Id: I10e7682d9cec26a523f1a3597ca5326c3ca42ebe
 2015-06-09 20:10:25 -07:00
Dmitriy Ivanov
8a11628355 Add flag that makes linker honor min(p_vaddr) 
Bug: http://b/21523078
Change-Id: Ice72766fb6ad3bd333c32b496e7870121e17a763
 2015-06-09 13:44:31 -07:00
Dmitriy Ivanov
624b8f17a1 Check if strtab exists before using it 
Bug: http://b/21696087
Change-Id: I1e22d5fd6fe2faead332249493123c9a085081e9
 2015-06-08 10:41:33 -07:00
Dmitriy Ivanov
1913352c6b Backward compatibility for dlsym(RTLD_DEFAULT, ...) 
Do not skip RTLD_LOCAL libraries in dlsym(RTLD_DEFAULT, ...)
 if the library is opened by application with target api level <= 22

Bug: http://b/21565766
Bug: http://b/17512583
Change-Id: Ic45ed1e4f53e84cba9d74cab6b0049c0c7aa8423
(cherry picked from commit 04f7e3e955ba7de5f449c995e667659319dc1cce)
 2015-06-02 18:09:23 -07:00
Dmitriy Ivanov
11b15b23aa Merge "Work around for libraries without dt_soname" 2015-06-02 21:09:41 +00:00
Dmitriy Ivanov
75108f4f83 Work around for libraries without dt_soname 
Applies only for apps targeting sdk version <= 22

Bug: http://b/21565766
Change-Id: If0bf2229dc1341e9ca09f9a05d0890515273d5a2
(cherry picked from commit 38c37d6705f420ecac4146c11d79bee6e0ca8a03)
 2015-06-02 14:02:22 -07:00
Dmitriy Ivanov
f439b5a318 Fix dlsym(handle_of_main_executable, ...) 
According to man dlopen(3) and posix docs in the case when si is handle
  of the main executable we need to search not only in the executable and its
  dependencies but also in all libraries loaded with RTLD_GLOBAL.

  see also: http://pubs.opengroup.org/onlinepubs/9699919799/functions/dlopen.html

Bug: http://b/21528224
Bug: http://b/17512583
Bug: https://code.google.com/p/android/issues/detail?id=173822
Change-Id: Ib2801367ba48b6f3704da89a6d9f5e6911430013
 2015-06-01 14:33:43 -07:00
Elliott Hughes
d70891687d Merge "[MIPS] Do not use compact branches until GDB supports them" 2015-05-29 04:39:24 +00:00
Dmitriy Ivanov
5511551009 Merge "Improve some of error/warning messages" 2015-05-28 22:28:13 +00:00
Dmitriy Ivanov
d974e88046 Work around incorrect dt_needed entries 
This applies for apps targeting sdk<=22 and
  only for lp32 platforms.

Bug: http://b/21364029
Change-Id: I903e81c9ccda2a8beaba1d132d68c77d30a4cdb2
 2015-05-28 14:56:42 -07:00
Dmitriy Ivanov
087005f37e Improve some of error/warning messages 
Bug: http://b/20464031
Change-Id: I948141c46f9e054fc45f5934153dee56ce3cd558
 2015-05-28 11:44:31 -07:00
Dmitriy Ivanov
79fd668bb4 Add functions to provide target sdk version 
Bug: http://b/21364029
Change-Id: I8648d1bff6c8fd6e7cd12da7f128e048b9f2829a
 2015-05-27 14:31:36 -07:00
Nikola Veljkovic
3cec6eca92 [MIPS] Do not use compact branches until GDB supports them 
GDB does not yet have support for compact branches, and is not able
to set a breakpoint on rtld_db_dlactivity(), which is compiled into
one JIC instruction. Unfortunately, We cannot turn off generation of
JIC compact branch. Instead, add unoptimized FP handling code, so GDB
will have something to land on.

Change-Id: Iddcf40ec018972398179018d049b8323fcd258b7
 2015-05-25 16:28:14 +02:00
Dmitriy Ivanov
b96ac41b32 Fix RTLD_NEXT lookup for the local_group 
Linker used to skip RTLD_NEXT within local_group when
  caller->next is nullptr (which represents load order
  but not the order within local_group dependency tree)

Bug: http://b/21380474
Change-Id: I178fc4657b19bceb871635b177c1df67855b1708
 2015-05-22 19:46:11 +00:00
Dmitriy Ivanov
a42b5bcd89 Merge "Apply work around b/19059885 to x86" 2015-05-16 16:56:49 +00:00
Dmitriy Ivanov
9185e04f72 Apply work around b/19059885 to x86 
Bug: http://b/19059885
Bug: http://b/21203348
Change-Id: Ic375e9f877d68de8f866d17362879a7dde638465
(cherry picked from commit 69a5fb951d69689dedd83cb033ae3dcd0ef05b65)
 2015-05-15 18:42:14 -07:00
Elliott Hughes
882283e9e2 Merge "Don't use TEMP_FAILURE_RETRY on close in bionic." 2015-05-15 23:24:12 +00:00
Elliott Hughes
4e8ef698d0 Don't use TEMP_FAILURE_RETRY on close in bionic. 
Bug: http://b/20501816
Change-Id: Id64b5109cc2b165fa0351b6edbb865a5e5058008
 2015-05-15 16:20:07 -07:00
John Reck
e77e335b54 Fix regression in crash reporting 
Bug: 19532651

Partial revert of be0e43b77676338fd5e6a82c9cc2b6302d579de2

Change-Id: I99e220328aff985facb920ebcd84ac1a016759b5
(cherry picked from commit d7ad443cfd4e1315cdf45210bc94bb68e0564b8f)
 2015-05-15 09:28:10 -07:00
Spencer Low
0346ad7a4f ScopedFd: Don't use TEMP_FAILURE_RETRY() with close() 
According to the comments in Posix_close(), TEMP_FAILURE_RETRY() should
not be used with close():

462bdac45c%5E%21/#F12

Kill ScopedFd by simplifying the single caller.

Change-Id: I248c40b8c2fc95f1938a6edfc245c81847fc44af
Signed-off-by: Spencer Low <CompareAndSwap@gmail.com>
 2015-05-13 13:27:11 -07:00
Dmitriy Ivanov
fe77d2d003 Merge "Improved dlsym tests and fixes to linker" 2015-05-12 20:48:17 +00:00
Dmitriy Ivanov
697bd9fd38 Improved dlsym tests and fixes to linker 
Answers the question: what if dependent library
 was preloaded with RTLD_LOCAL flag.

 Also add test for RTLD_NEXT within local_group.

Bug: http://b/17512583
Change-Id: I79e081e68b3a8c0ed8980d4275a06515fea94ec9
 2015-05-12 13:46:40 -07:00
Elliott Hughes
f58ac87182 Update NOTICE files (the second time today). 
Change-Id: Ifb031d29ee697ee0682bd651e0081493e8016e67
 2015-05-12 10:44:37 -07:00
Elliott Hughes
7e54c762fc Update NOTICE files. 
(cherry-pick of f0bd92db8966b04062fda0986dacf80891e1a378.)
Change-Id: I4e170118abf452dd87ffe79d343ba1e2b53955de
 2015-05-12 10:33:20 -07:00
Elliott Hughes
8a330cad8d Merge "Simplify three copyright headers." 2015-05-12 17:27:04 +00:00
Elliott Hughes
c69ace87ec Simplify three copyright headers. 
There's no reason to have multiple years in our own copyright headers,
and given the stupidity of our NOTICE file generation, it just creates
more junk.

Change-Id: I065a3811c2e2584e3b649a18ad9460286bc72b92
 2015-05-12 10:10:01 -07:00
Dmitriy Ivanov
3edb9182ff Use realpath for log and error messages 
Bug: http://b/20885931
Change-Id: Ida8ab7982ca75fa73da13c4cb10a6b2e53bc2c8e
 2015-05-07 10:48:00 -07:00
Dmitriy Ivanov
406d99665c VersionTracker: Ignore libraries without soname 
Bug: http://b/20872443
Change-Id: I7bd076885c1feae39af6ea64c9442bcc5ae5a1dc
(cherry picked from commit 8264afb37778bea2a3c6e9aa7144f4877401c3f8)
 2015-05-06 12:04:57 -07:00
Dmitriy Ivanov
dbe26fdcc7 Fix protected symbol lookups for mips 
Bug: http://b/20694161
Change-Id: I5cc58034f9776e1db9cddc34abe48ef85f6048f4
 2015-05-04 19:30:49 -07:00
Dmitriy Ivanov
f39cb63603 Lookup version info when relocating mips got 
Bug: http://b/20693971
Bug: http://b/20139821
Change-Id: I28bd3bc44dafe048761b2c598facfe20320128c4
 2015-04-30 20:17:03 -07:00
Dmitriy Ivanov
7e4bbbae4a Refactoring: move VersionTracker to link_image 
Use one instance of VersionTracker per link (instead of 2).

Change-Id: I6860013df65f5969975c82ebdae8bd90a82e0a82
 2015-04-30 19:49:19 -07:00
Dmitriy Ivanov
31b408d2c2 Refactoring: extract lookup_version_info(..) 
Change-Id: I47f9c21a1738dc520fd83281c8227dc3a7e79650
 2015-04-30 16:12:32 -07:00
Dmitriy Ivanov
f29640c2d8 Merge "linker: initialize system properties" 2015-04-29 23:44:57 +00:00
Dmitriy Ivanov
0373d4f473 Fix mips relocation to use load_bias as intended 
Bug: http://b/20658994
Change-Id: I5a15605fe34db359e26d563e13841ae993083c4a
 2015-04-29 14:41:06 -07:00
Dmitriy Ivanov
f8093a9485 Fix LD_PRELOAD for dlopen() 
We did not set DF_1_GLOBAL flag for LD_PRELOADed
 libraries which led to the situation when ld_preloads
 where ignored during on dlopen()

Change-Id: I696b3b2506a8ed4c0984ad2c803210a7a4f8e686
 2015-04-28 18:09:53 -07:00
Dmitriy Ivanov
b4e5067cab linker: initialize system properties 
Bug: http://b/20567629
Bug: https://code.google.com/p/chromium/issues/detail?id=478886
Change-Id: I8d2d89b749015e7fcd6e7ea646911f2e617dd1ba
 2015-04-28 15:52:52 -07:00
Dmitriy Ivanov
a85bcc2e99 linker: use libc's environ variable to store envp 
This is to make getenv() work correctly.

Bug: http://b/20567629
Change-Id: I148627e1efea1649fb0822c95876811652fb4082
 2015-04-28 14:21:36 -07:00
Dmitriy Ivanov
2ea504fed1 Remove outdated warning 
It is ok to use malloc in linker.

Bug: http://b/20567629
Change-Id: I54183dbe8ebcd223a44e710e511c339688a65dba
 2015-04-27 11:24:36 -07:00
Dmitriy Ivanov
18870d350c Always use signed leb128 decoder 
Relocation packer no longer encodes relocation tables
  using unsigned leb128: https://android-review.googlesource.com/147745

Bug: http://b/18051137
Change-Id: I620b7188e5f3dd9d5123431aa1fc7feca76be607
 2015-04-22 13:29:42 -07:00
Dmitriy Ivanov
3d7bea1fa0 Add library name to error message 
Change-Id: I079e6f1dd95fe9cae2135fcd7358c51f8b584ac9
 2015-04-20 17:40:39 -07:00
Dmitriy Ivanov
2a81536144 Support symbol versioning 
Bug: http://b/20139821
Change-Id: I64122a0fb0960c20b2ce614161b7ab048456b681
 2015-04-16 17:57:30 -07:00
Dmitriy Ivanov
aae859cc3c Add realpath for soinfo 
This change adds realpath to soinfo and
  extends limit on filenames from 128 to PATH_MAX.

  It also removes soinfo::name field, linker uses
  dt_soname instead.

Bug: http://b/19818481
Bug: https://code.google.com/p/android/issues/detail?id=80336
Change-Id: I9cff4cb5bda3ee2bc74e1bbded9594ea7fbe2a08
 2015-04-06 21:15:43 +00:00
Dmitriy Ivanov
aea165cb03 Merge "Add ANDROID_DLEXT_FORCE_LOAD flag" 2015-04-03 19:45:24 +00:00
Dmitriy Ivanov
9b82136b98 Add ANDROID_DLEXT_FORCE_LOAD flag 
This flag allows to force loading of the library
  in the case when for some reason multiple ELF files
  share the same filename (because the already-loaded
  library has been removed and overwritten, for example).

Change-Id: I798d44409ee13d63eaa75d685e99c4d028d2b0c1
 2015-04-03 10:50:48 -07:00
Dmitriy Ivanov
06b6e3c51d Merge "Look into local group on dlsym with RTLD_DEFAULT" 2015-04-02 21:55:01 +00:00