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Author SHA1 Message Date
Dimitry Ivanov
19acb698e8 [MIPS] Add __popcountsi2 to libgcc_compat.c 
Also removed outdated genlibgcc_compat.py script
and references to it.

Bug: http://b/27340856
Change-Id: I7eef362364078867c60a27e72abba515f08b6651
 2016-02-25 14:28:45 -08:00
Stephen Hines
e0959b4b16 Merge "Remove unused libm_clang variable." 2016-02-23 22:05:25 +00:00
Christopher Ferris
0a84f1a5eb Merge "Fix wrong guard values for 64 bit." 2016-02-23 19:15:57 +00:00
Christopher Ferris
0e2a026579 Fix wrong guard values for 64 bit. 
I added the code to force alignments of 8 for 32 bit and 16 for 64 bit,
but I missed a couple of tests that failed due to this change. Fix the
failing tests.

Bug: 26739265
Change-Id: Ice9932d1419e59c07483c4c9fcdb84970844f0a6
 2016-02-22 19:14:26 -08:00
Christopher Ferris
f2d516b3f9 Merge "Fix incorrect size of array." 2016-02-22 18:46:35 +00:00
Christopher Ferris
f499dc91e7 Fix incorrect size of array. 
When using sscanf and "%4s", the array passed in must include space for
a nul terminator.

Bug: 26739265
Change-Id: I0140a6100ca370666ae61689087ba41b4914789d
 2016-02-19 18:13:29 -08:00
Stephen Hines
64955c84c0 Remove unused libm_clang variable. 
Bug: http://b/21899249

As part of the cleanup here, this unset/unused variable was missed.

Change-Id: I0e0f2640e2e975f3e154f68509aa791fd22053a9
 2016-02-19 01:17:18 -08:00
Dimitry Ivanov
b539baab39 Merge "Improvements to dynamic linker messages" 2016-02-19 02:43:48 +00:00
Dimitry Ivanov
9f0a6954c6 Improvements to dynamic linker messages 
Error messages now include executable name,
also linker doesn't abort if called on itself.

Change-Id: Ia17dd540919544b28062ed71751a1d79ee865206
 2016-02-18 18:28:08 -08:00
Colin Cross
c95a4c8196 Merge changes Iac8109b3,I5ad67001,Ic1adb4df,I08a50349 
* changes:
  malloc_debug: reread /proc/pid/maps when entry is missing
  Add backtrace_string and export to libmemunreachable
  Export malloc_backtrace
  Export malloc_iterate and friends
 2016-02-19 01:55:10 +00:00
Colin Cross
d75d4bea54 malloc_debug: reread /proc/pid/maps when entry is missing 
Reread /proc/pid/maps on demand in case a new library has been loaded.

Change-Id: Iac8109b3e6a07bf02c38300b21eecabf4bcd54df
 2016-02-18 16:09:17 -08:00
Colin Cross
2c75991359 Add backtrace_string and export to libmemunreachable 
Add backtrace_string to convert a malloc_debug backtrace to a string.
Also move the backtrace functions to libc_malloc_debug_backtrace so that
libmemunreachable can reuse them.

Change-Id: I5ad67001c0b4d184903c762863a8588181d4873b
 2016-02-18 16:09:17 -08:00
Colin Cross
2d4721c0c5 Export malloc_backtrace 
Change-Id: Ic1adb4dfd86b9ca698443a36263a3df2c91edda3
 2016-02-18 16:09:16 -08:00
Colin Cross
869691c6f7 Export malloc_iterate and friends 
Export malloc_iterate, malloc_enable, and malloc_disable to be used by
libmemunreachable.

Change-Id: I08a50349af82a95d096b6b4cbac37ababe4b9b06
 2016-02-18 15:05:38 -08:00
Dimitry Ivanov
aca201358b Merge "Move gdb support functions to a separate file" 2016-02-18 22:12:26 +00:00
Dimitry Ivanov
6b788eeff2 Move gdb support functions to a separate file 
Move gdb support functions and variables to
linker_gdb_support.h/cpp

Change-Id: I96c6592a7055715b18f1137367470fe80987263f
 2016-02-18 12:32:56 -08:00
Christopher Ferris
4327ae07b9 Merge "Fix cfi directives for memmove/strlcpy." 2016-02-18 18:46:28 +00:00
Elliott Hughes
90ea63a862 Merge "Fix scope ids for link-local IPv6 addresses from getifaddrs(3)." 2016-02-18 18:35:00 +00:00
Nicolas Geoffray
be7a1eaf3a Merge "Revert "Move gdb support functions to a separate file"" 2016-02-18 09:31:41 +00:00
Nicolas Geoffray
0fa5410b0f Revert "Move gdb support functions to a separate file" 
Was reverted on internal master already.

This reverts commit f8d051c81b.

Change-Id: Ia432f83bcce91366fb23f1bb87603a093b7f074d
 2016-02-18 09:31:24 +00:00
Christopher Ferris
97b6e131fd Fix cfi directives for memmove/strlcpy. 
Bug: 27227225
Change-Id: I47ca82daaadb3ec24cefc3c9aa4df7ed1798aced
 2016-02-17 19:17:02 -08:00
Dimitry Ivanov
4dd56ac9a5 Merge changes Id6e60861,I0eacb3f0 
* changes:
  Move gdb support functions to a separate file
  Use insert_link_map_into_debug_map for executable
 2016-02-18 01:25:49 +00:00
Christopher Ferris
e73b27a1d3 Merge "Fix cfi directives in small strncmp case." 2016-02-18 01:18:26 +00:00
Christopher Ferris
de84e51f8c Fix cfi directives in small strncmp case. 
Bug: 27227225
Change-Id: Id4f88fe288109a82822ad1b2291858c1c85b0ca7
 2016-02-17 16:34:02 -08:00
Dimitry Ivanov
f8d051c81b Move gdb support functions to a separate file 
Move gdb support functions and variables to
linker_gdb_support.h/cpp

Change-Id: Id6e608617016383b68283760361c567e58e574bc
 2016-02-17 16:09:35 -08:00
Dimitry Ivanov
f3064e4bc7 Use insert_link_map_into_debug_map for executable 
Use insert_link_map_into_debug_map to insert the main
executable's link_map to r_debug

Change-Id: I0eacb3f030ea3eb16ed50ad2011d604beece2d03
 2016-02-17 15:25:25 -08:00
Elliott Hughes
7dac8b8aab Fix scope ids for link-local IPv6 addresses from getifaddrs(3). 
Bug: http://b/27219454
Change-Id: I7a166ff5553565f7afdab18dd2c703af4d475ab4
 2016-02-17 14:38:09 -08:00
Dimitry Ivanov
c347a10760 Merge "Update a comment for init_linker_info_for_gdb" 2016-02-17 22:20:22 +00:00
Dimitry Ivanov
6400129628 Update a comment for init_linker_info_for_gdb 
Change-Id: I8e2895ecfcc6f77a180c3735342afc93be5923d3
 2016-02-17 14:13:06 -08:00
Colin Cross
598cb89790 Merge "malloc_debug: reset TrackData mutex after fork" 2016-02-17 20:38:02 +00:00
Dimitry Ivanov
2de48bc809 Merge "Initialize linker link_map for gdb directly" 2016-02-17 00:00:30 +00:00
Dimitry Ivanov
acedcba331 Merge "Revert "Revert "Split out liblinker_malloc static library""" 2016-02-16 23:51:37 +00:00
Dimitry Ivanov
aa9cb26ead Revert "Revert "Split out liblinker_malloc static library"" 
This reverts commit 3bbeca7a1a.

Change-Id: I5a757fcd52a14442c2eb7ca53f7d1f1923a4efe9
 2016-02-16 14:43:12 -08:00
Dimitry Ivanov
8d22dd53fe Initialize linker link_map for gdb directly 
Remove unnecessary construction of soinfo when
initializing linker link_map for gdb.

Change-Id: Idf32cee56309aa9c9cf260efbd17a9deae9a756b
 2016-02-16 14:39:15 -08:00
Dimitry Ivanov
b244d21672 Merge "linker: remove soinfo::entry" 2016-02-16 21:29:43 +00:00
Dimitry Ivanov
e687d067c6 linker: remove soinfo::entry 
This field is used only once and only for main executable;
no need to carry it around in soinfo structure.

Change-Id: I7f80c64e0939e28966b6fed858891f9ce2a9e26b
 2016-02-16 13:25:29 -08:00
Dimitry Ivanov
85665af917 Merge "Revert "Split out liblinker_malloc static library"" 2016-02-15 19:21:29 +00:00
Dimitry Ivanov
3bbeca7a1a Revert "Split out liblinker_malloc static library" 
This reverts commit a80564318a.

Change-Id: I63f16739a38f40ad930692176a4297ad1ce89570
 2016-02-15 19:19:35 +00:00
Christopher Ferris
60a5f7360e Merge "Add a memcpy(a, a, n) test." 2016-02-13 17:46:28 +00:00
Christopher Ferris
71766c2577 Add a memcpy(a, a, n) test. 
clang depends on memcpy where src and dst are the same to actually
work. Even though this is, technically, undefined behavior,
clang is not going to change. Add a test to verify this assumption
holds true for android devices.

Change-Id: Ib575af3c14e705bb62c18fad7d57e1cc0d242899
 2016-02-12 18:09:55 -08:00
Christopher Ferris
249fefbda0 Merge "Fix the default alignment of the allocations." 2016-02-13 01:37:06 +00:00
Christopher Ferris
72df6708c8 Fix the default alignment of the allocations. 
In order to enforce this constraint:

The pointer returned if the allocation succeeds shall be suitably
aligned so that it may be assigned to a pointer to any type of object
and then used to access such an object in the space allocated.

Force all allocations on 32 bit systems to have 8 byte alignment,
and all allocations on 64 bit systems to have 16 byte alignment.

Add a test to verify that the allocator returns the correct alignments.

Bug: 26739265
Change-Id: I9af53279617408676b94e4ec6481b3ed7ffafc6a
 2016-02-12 17:30:30 -08:00
Elliott Hughes
925bf56447 Merge "Fix regerror(..., nullptr, 0)." 2016-02-13 00:59:42 +00:00
Colin Cross
7a28a3cf1f malloc_debug: reset TrackData mutex after fork 
Add a pthread_atfork handler to malloc_debug to lock the TrackData mutex
during fork and reset it in the child.  Ensures that the TrackData is
consistent when forking from a multi-threaded process, and that the
mutex is in a defined state in the child.

Change-Id: I0dfed30045a28551217ceac227d33b2e18894932
 2016-02-12 16:41:14 -08:00
Elliott Hughes
cac2908b08 Fix regerror(..., nullptr, 0). 
Found by passing a bad regular expression to the Google benchmark
code (https://github.com/google/benchmark).

Change-Id: I475db71c25706bbf02091b754acabe8254062f3a
 2016-02-12 16:00:53 -08:00
Dimitry Ivanov
9750a77b31 Merge "Split out liblinker_malloc static library" 2016-02-11 23:29:06 +00:00
Dimitry Ivanov
a80564318a Split out liblinker_malloc static library 
Bug: http://b/14998480
Bug: http://b/25716705
Change-Id: I8c7ba3971d1b17dbfc1a2ab5553aa04fe5da6677
 2016-02-11 13:48:49 -08:00
Elliott Hughes
72bca4b410 Merge "Add tests for zero-sized allocations." 2016-02-11 17:53:04 +00:00
Elliott Hughes
884f76e3aa Add tests for zero-sized allocations. 
POSIX lets us return null and set errno, but that would be annoying and
surprising.

Bug: http://b/27101951
Change-Id: I320a8a14884abb806a8d30e3e6cf1ede28b49335
 2016-02-11 08:45:40 -08:00
Elliott Hughes
8fa00a5836 Merge "Set x86 TLS limit to 0xfffff, not PAGE_SIZE." 2016-02-10 15:48:53 +00:00