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Author SHA1 Message Date
TreeHugger Robot
eb5f5d8db6 Merge "Disable return PAC in __pthread_start." into sc-dev 2021-06-09 16:14:18 +00:00
Peter Collingbourne
9a1b7d1243 Disable return PAC in __pthread_start. 
This function doesn't return, but it does appear in stack traces. Avoid
using return PAC in this function because we may end up resetting IA,
which may confuse unwinders due to mismatching keys.

Bug: 189808795
Change-Id: I953da9078acd1d43eb7a47fb11f75caa0099fa12
Merged-In: I953da9078acd1d43eb7a47fb11f75caa0099fa12
 2021-06-08 18:41:36 -07:00
TreeHugger Robot
381ed8f9d2 Merge "Use ro.build.type instead of ro.debuggable" into sc-dev 2021-06-08 23:39:29 +00:00
Ryan Prichard
686a21937b Use ro.build.type instead of ro.debuggable 
The LD_CONFIG_FILE test needs to match how Bionic was compiled, and
Bionic only enables LD_CONFIG_FILE for debug builds (i.e. ro.build.type
is "user"). ro.debuggable can be forced on without recompiling Bionic.

Bug: http://b/140324381
Bug: http://b/189422994
Test: bionic unit tests
Change-Id: I139059a7f94d15a5447dab292927606a6bcc48ef
(cherry picked from commit 546723b2b8)
 2021-06-08 14:04:57 -07:00
Florian Mayer
b887dc0b5c Fix dangling pointer in heapprofd API. 
We would dlopen heapprofd_client.so, which has a static initializer [1]
that passes a pointer to of its functions to heapprofd_client_api.so.
If we dlclose heapprofd_client.so, this pointer is dangling.

[1]: https://cs.android.com/android/platform/superproject/+/master:external/perfetto/src/profiling/memory/malloc_interceptor_bionic_hooks.cc?q=symbol:g_heap_id

This is a cherry-pick of 85c7838bd9.

Bug: 189332777
Change-Id: Ia4a9d9dd7c89eceec86c6fac5f4b66de85d7604e
 2021-06-04 11:15:27 +01:00
David Srbecky
a3b1926d75 Merge "Update API of MapInfo from libunwindstack" am: 453076b8d0 am: defbe6bfbd am: 7b89804d8a 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1705416

Change-Id: I83c0ee90b3763476f9497139cf838e70b3348dbc
 2021-05-13 10:40:57 +00:00
David Srbecky
7b89804d8a Merge "Update API of MapInfo from libunwindstack" am: 453076b8d0 am: defbe6bfbd 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1705416

Change-Id: Iab72065969294c1259351272ba8eab78a5591f6d
 2021-05-13 10:23:44 +00:00
David Srbecky
defbe6bfbd Merge "Update API of MapInfo from libunwindstack" am: 453076b8d0 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1705416

Change-Id: If4599131c1ba63f1c9eb938483b78b2375baac7a
 2021-05-13 10:08:14 +00:00
David Srbecky
453076b8d0 Merge "Update API of MapInfo from libunwindstack" 2021-05-13 09:49:52 +00:00
David Srbecky
92b8d64f41 Update API of MapInfo from libunwindstack 
Use accessors to for all the fields.

Test: build
Change-Id: I6ae458002e059ef2f9d73931cc68f2f698f85d7e
 2021-05-13 01:50:00 +01:00
Christian Wailes
6b7cecc5ea Merge "Clear the stack frame pointer in _start and __bionic_clone" am: b1270fdd54 am: 98a50fa503 am: e7bc7bde23 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1695053

Change-Id: Id9d2a02f0f96760f52e4dd18a5a08763680bdbf1
 2021-05-12 23:56:29 +00:00
Christian Wailes
e7bc7bde23 Merge "Clear the stack frame pointer in _start and __bionic_clone" am: b1270fdd54 am: 98a50fa503 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1695053

Change-Id: I6e0abad919598aa6ac097306bc19d2bd17dfc89d
 2021-05-12 23:31:44 +00:00
Christian Wailes
98a50fa503 Merge "Clear the stack frame pointer in _start and __bionic_clone" am: b1270fdd54 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1695053

Change-Id: Ib41092b668a8b5bdf177c56fa1ac46ebf8759799
 2021-05-12 23:07:24 +00:00
Christian Wailes
b1270fdd54 Merge "Clear the stack frame pointer in _start and __bionic_clone" 2021-05-12 22:52:59 +00:00
Collin Fijalkovich
733895f673 Merge "Add cc_defaults for hugepage alignment of shared libraries" am: 13d267e77e am: fef6f7bcc5 am: 74e4a617aa 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1691208

Change-Id: I026d8a8c69ea9de5eb1b71a5f90b8cb2e16baf69
 2021-05-11 17:06:07 +00:00
Collin Fijalkovich
74e4a617aa Merge "Add cc_defaults for hugepage alignment of shared libraries" am: 13d267e77e am: fef6f7bcc5 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1691208

Change-Id: I30175a55a06a40170294665fbd0f0e094b445aea
 2021-05-11 16:48:50 +00:00
Collin Fijalkovich
fef6f7bcc5 Merge "Add cc_defaults for hugepage alignment of shared libraries" am: 13d267e77e 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1691208

Change-Id: Iacab3396fab8fe7dddb996c93adbc1bed5c3f001
 2021-05-11 16:21:01 +00:00
Collin Fijalkovich
13d267e77e Merge "Add cc_defaults for hugepage alignment of shared libraries" 2021-05-11 16:13:58 +00:00
Collin Fijalkovich
d6c5f93cae Merge "Bionic: Mark PMD aligned text segments huge page eligible" am: 20ab1b7b47 am: be2927bf2f am: e20122b90e 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1652592

Change-Id: Icd962b28b78acfbc185ac71a30fe297ba53e5f41
 2021-05-10 20:34:06 +00:00
Collin Fijalkovich
e20122b90e Merge "Bionic: Mark PMD aligned text segments huge page eligible" am: 20ab1b7b47 am: be2927bf2f 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1652592

Change-Id: I6b57627bdae52e073f533a2713f05e4d9249a6a9
 2021-05-10 20:15:46 +00:00
Collin Fijalkovich
be2927bf2f Merge "Bionic: Mark PMD aligned text segments huge page eligible" am: 20ab1b7b47 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1652592

Change-Id: I9ea5cd0ba509d44081f92fbf59163113a87f5f38
 2021-05-10 19:57:27 +00:00
Collin Fijalkovich
20ab1b7b47 Merge "Bionic: Mark PMD aligned text segments huge page eligible" 2021-05-10 16:11:41 +00:00
Chris Wailes
559f27828c Clear the stack frame pointer in _start and __bionic_clone 
This CL adds an instruction to the _start label that clears the frame
pointer.  This allows stack walking code to determine when it has
reached the end of the stack.

The __bionic_clone function is similarly modified, for architectures
that weren't already doing both.

Test: bionic-unit-tests
Test: CtsBionicTestCases
Change-Id: Iea3949f52c44f7931f9fff2d60d4d9e5c742c120
 2021-05-07 15:00:55 -07:00
Collin Fijalkovich
47d27aa79c Bionic: Mark PMD aligned text segments huge page eligible 
To take advantage of file-backed huge pages for the text segments of key
shared libraries (go/android-hugepages), the dynamic linker must load
candidate ELF files at an appropriately aligned address and mark
executable segments with MADV_HUGEPAGE.

This patches uses segments' p_align values to determine when a file is
PMD aligned (2MB alignment), and performs load operations accordingly.

Bug: 158135888
Test: Verified PMD aligned libraries are backed with huge pages on
supporting kernel versions.

Change-Id: Ia2367fd5652f663d50103e18f7695c59dc31c7b9
 2021-05-06 13:15:11 -07:00
Christopher Ferris
968e896777 Merge "Update to v5.12 kernel headers." am: 3e0defac5d am: 9f53cf2c62 am: cb695228f9 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1694549

Change-Id: Ie51fb5f053e3614d8b5d832a057feb33858e231e
 2021-05-04 19:01:51 +00:00
Christopher Ferris
cb695228f9 Merge "Update to v5.12 kernel headers." am: 3e0defac5d am: 9f53cf2c62 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1694549

Change-Id: Iaa40067243b77b89c13a0f141d2631876940e2c3
 2021-05-04 18:38:16 +00:00
Christopher Ferris
9f53cf2c62 Merge "Update to v5.12 kernel headers." am: 3e0defac5d 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1694549

Change-Id: I7c65defa70f1dda2c94fd39ea32b683f0d141cb3
 2021-05-04 18:12:30 +00:00
Christopher Ferris
3e0defac5d Merge "Update to v5.12 kernel headers." 2021-05-04 17:50:59 +00:00
Christopher Ferris
a9750eda0d Update to v5.12 kernel headers. 
Kernel headers coming from:

Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.12

Test: Boots flame device and runs bionic unit tests.
Test: Boots acloud device and runs bionic unit tests.

Change-Id: I8ac107ce9d4978be3ef9517b90ad6ecafd06785a
 2021-05-03 15:01:39 -07:00
Collin Fijalkovich
c9521e08ce Add cc_defaults for hugepage alignment of shared libraries 
Introduces a cc_defaults category hugepage_aligned that passes the
requisite linker flags to produce shared object files with 2MB-aligned
sections. This enables supporting platforms to back the text segments of
these libraries with hugepages.

Bug: 158135888
Test: Built and confirmed ELF layout
Change-Id: I5c8ce35d8f8bf6647ec19d58398740bd494cc89c
 2021-04-29 11:32:43 -07:00
Colin Cross
623add1acd Merge "Replace llndk_library with llndk clause in cc_library" am: 48166a4eaf am: 6cac53807a am: b2e9a0b1c0 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1613420

Change-Id: Ia3672e72b3b52b5d1e9593118450a2734810f234
 2021-04-28 18:28:38 +00:00
Colin Cross
b2e9a0b1c0 Merge "Replace llndk_library with llndk clause in cc_library" am: 48166a4eaf am: 6cac53807a 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1613420

Change-Id: I561879583a05c06dbb0241bade67cf738c207733
 2021-04-28 18:09:01 +00:00
Colin Cross
6cac53807a Merge "Replace llndk_library with llndk clause in cc_library" am: 48166a4eaf 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1613420

Change-Id: I084aefdf9a56f839b14bdfec74ef218b9693c094
 2021-04-28 17:52:01 +00:00
Colin Cross
48166a4eaf Merge "Replace llndk_library with llndk clause in cc_library" 2021-04-28 16:21:43 +00:00
Colin Cross
a0a4a6c296 Replace llndk_library with llndk clause in cc_library 
Remove the vestigial llndk_library and replace it with properties
in the llndk clause of the implementation cc_library.

In order to reduce duplication of the arch-specific headers used
by the implementation and LLNDK, rename libc_headers_arch to
libc_llndk_headers and hoist the "include" directory out of it,
since that directory is preproccessed separately for LLNDK
libraries.

Bug: 170784825
Test: m checkbuild
Test: compare out/soong/build.ninja
Change-Id: I75f0ff9129d910640da55eee6a6387467e6e4a9d
 2021-04-26 17:45:57 -07:00
Treehugger Robot
9c2d769b1e Merge "Reorder libc.llndk headers to match libc_headers_arch" am: 4b42ad753e am: 454fceca01 am: ab02a1a59d 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1613419

Change-Id: If616286fb3a14e7bc37e719ef03700803d2da567
 2021-04-23 03:55:24 +00:00
Treehugger Robot
ab02a1a59d Merge "Reorder libc.llndk headers to match libc_headers_arch" am: 4b42ad753e am: 454fceca01 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1613419

Change-Id: I12e70807c2248c73dcd43bd4805938d1beb8cf9b
 2021-04-23 03:27:34 +00:00
Treehugger Robot
454fceca01 Merge "Reorder libc.llndk headers to match libc_headers_arch" am: 4b42ad753e 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1613419

Change-Id: Ibc7ab03738b88e0d87cc13532fb92f1ada795713
 2021-04-23 03:07:47 +00:00
Treehugger Robot
4b42ad753e Merge "Reorder libc.llndk headers to match libc_headers_arch" 2021-04-23 02:51:32 +00:00
Peter Collingbourne
9771fbf1b8 Merge "Avoid prctl(PR_PAC_RESET_KEYS) on devices without PAC support." am: 2f62c26bcb am: c30eb0ff47 am: f412f0892a 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1684248

Change-Id: I28e541b4d776f1f9e2617d98df2e133d32e54c84
 2021-04-22 22:13:29 +00:00
Peter Collingbourne
f412f0892a Merge "Avoid prctl(PR_PAC_RESET_KEYS) on devices without PAC support." am: 2f62c26bcb am: c30eb0ff47 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1684248

Change-Id: Ib8f8f568ae02438fadfcaf543a387114f67f37b6
 2021-04-22 21:52:49 +00:00
Peter Collingbourne
c30eb0ff47 Merge "Avoid prctl(PR_PAC_RESET_KEYS) on devices without PAC support." am: 2f62c26bcb 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1684248

Change-Id: I58f3880830675df536bf79561dba685d223bade6
 2021-04-22 21:32:04 +00:00
Peter Collingbourne
2f62c26bcb Merge "Avoid prctl(PR_PAC_RESET_KEYS) on devices without PAC support." 2021-04-22 21:02:42 +00:00
Peter Collingbourne
dcbacd676f Avoid prctl(PR_PAC_RESET_KEYS) on devices without PAC support. 
Processes loaded from vendor partitions may have their own sandboxes
that would reject the prctl. Because no devices launched with PAC
enabled before S, we can avoid issues on upgrading devices by checking
for PAC support before issuing the prctl.

Bug: 186117046
Change-Id: I9905b963df01c9007d9fb4527273062ea87a5075
 2021-04-22 12:17:01 -07:00
Rupert Shuttleworth
40db2eb3bf Merge "Add missing liblog_headers dependency to libc_defaults." am: 2a79326a80 am: c284c40f07 am: 81e51240aa 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1677126

Change-Id: Iab10e74cadacd217c2b8bceff0f65030a2a297b7
 2021-04-22 17:22:08 +00:00
Rupert Shuttleworth
81e51240aa Merge "Add missing liblog_headers dependency to libc_defaults." am: 2a79326a80 am: c284c40f07 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1677126

Change-Id: I8a593921f7c43c34cbcd2833fec70ea30377ae7b
 2021-04-22 17:00:24 +00:00
Rupert Shuttleworth
c284c40f07 Merge "Add missing liblog_headers dependency to libc_defaults." am: 2a79326a80 
Original change: https://android-review.googlesource.com/c/platform/bionic/+/1677126

Change-Id: I4c660cbe216258809cde895a0e770b14bdf6237f
 2021-04-22 16:25:25 +00:00
Rupert Shuttleworth
2a79326a80 Merge "Add missing liblog_headers dependency to libc_defaults." 2021-04-22 16:07:20 +00:00
Rupert Shuttleworth
ed80dcd775 Add missing liblog_headers dependency to libc_defaults. 
This unblocks several targets building with Bazel, see https://android-review.googlesource.com/c/platform/build/soong/+/1677125.

Test: bp2build; bazel build //bionic/...
Change-Id: I4206241fc56cf4df5d5f1e65a367844da85a1360
 2021-04-22 01:52:53 -04:00
Colin Cross
96be371187 Reorder libc.llndk headers to match libc_headers_arch 
Ease later comparisons by making libc.llndk match libc_headers_arch.

Bug: 170784825
Test: m checkbuild
Change-Id: I90162c0bc5f6f0e79fe974208fde47cca7489fa1
 2021-04-21 16:29:50 -07:00