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When replacing structs with bits/ includes, count the number of
opening and closing braces to find the end of the struct.
Test: tools/update_all.py
Change-Id: Ic9712a385da517710ceffccbdb223c89ae0b5f65
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Includes pointing to the python3 version of the clang bindings.
Also, remove stale .gitignore line.
Test: Ran bionic/libc/kernel/tools/update_all.py and verified
Test: the files generated the same exact way.
Change-Id: I4eb9dd7382bca013f70d921b6ef48c7e7478615a
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This fixes all of the problems with our kernel scripts, but not
the clang python script problems.
I also removed the updateGitFiles function since that code was
just silently failing any way. I replaced all calls with updateFiles.
Test: Ran script using python2 to verify it still works.
Test: Run script in python3 verifying that it starts to run.
Change-Id: I223a31a8324c59e6bc4067f48a6110361b3e26e8
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Rather than "whatever people have installed as 'python' on their machine".
I've removed check-symbols.py because that's been broken for years and
we never even noticed, and I'm not sure it's worth fixing.
Test: treehugger, manual
Change-Id: Ieb996bbdf790a18d4b1fb46a409cc240ba2a2a49
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Found manually with grep, since the script seems to miss stuff.
Test: treehugger
Change-Id: I5933cbade9792801d4a0bec1ccb077efa6ad8fbc
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Kernel headers coming from:
Git: https://android.googlesource.com/kernel/common/
Branch: android-mainline
Tag: android-mainline-5.6
Add a new method for removing structures. This is to deal with the kernel
headers changing some definitions of timeval to __kernel_old_timeval
and itimerval to __kernel_old_itimerval. Remove the __kernel_old_XX
strutures and change the other structures to the previous definitions.
This only works so long as these structures stay the same, if they
diverge, then a different strategy will need to be implemented.
Test: Booted cuttlefish/walleye.
Test: Ran bionic-unit-tests on cuttlefish/walleye.
Change-Id: I0a61f4fa6e4155c602e0414d9b38c2e1637829af
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The current version has these bugs:
- Adding a semicolon after a function results in the removal of structures
following the function.
- Function like macros get removed on accident rather than on purpose.
- It removes extern "C" { completely, which might not be a bug, but doesn't
seem right.
I couldn't easily fix any of these problems because the code depends heavily
on the header being correct.
New unit tests added for the function to cover all of these cases.
A follow-on CL will include the updated headers.
Bug: 112290385
Test: Passes all new unit tests.
Test: When run on the current kernel headers, the generated headers are
Test: nearly the same, missing data is being added.
Change-Id: Ib22a5f2e78873544e8a9d54e385af1156b2a72bb
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When a construct like:
if defined(something)
blocks1
elif 1
blocks2
else
blocks3
endif
The parser would put the first clause but then simply omit the elif and
put all of blocks2 without a terminating #endif. The code also did
something similar when the #else was an #endif.
Also convert all of the unit tests to real unit tests and only run
them if you run cpp.py by itself. Added new unit tests to cover the
new cases.
Test: Ran cpp.py unit tests.
Test: Reran update_all.py and verified nothing changed, and that running
Test: it on the new kernel headers that exposed this problem.
Change-Id: Ie168511303c4e15afdb60c37baef75a966ca29a8
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This adds a new mechanism to say "replace struct S with #include <bits/S.h>".
Also switch epoll_event over to the new mechanism.
Also use the kernel's struct sockaddr_storage directly rather than behind
an unnecessary #define.
This patch also removes some dead code in the header scrubber. This code
still needs rewriting completely. I learned that a "block" isn't necessarily
a single struct definition, say; it might be a run of them. It seems like
a block is a run of preprocessor directives or a run of regular code.
Bug: https://issuetracker.google.com/36987220
Test: new test
Change-Id: Ic6a5c09559766a4babe3cd4c3ea538b885e07308
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Remove the hiding of the kernel structure binder_fd_array_object. This
structure now matches the structure used in the binder code.
Load the libclang_android.so shared library directly for parsing.
This file changed name in a recent update to the prebuilts.
Test: Compiles arm/arm64/x86/x86_64.
Test: Boots on hikey and boots on a sailfish.
Test: Ran bionic unit tests on hikey and sailfish.
Change-Id: I141a4b93ac3511cd58f4d12bb3c0d4efaa4c2742
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/usr/bin/python may be python3. We should respect PATH to find the python
executable so it can be locally overridden to be python2.
Test: Build libc, repo upload
Change-Id: Iaddd7cd4a1c2177c32786e4fa0fc664ab0ad36de
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Having
WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS
every four lines made the headers harder to read, made the diffs much worse
each time we upgraded, and wasn't really providing any benefit. Before the
next uapi update, let's just stop doing this.
Bug: N/A
Test: builds, manually inspected files look right
Change-Id: Id7088cf750894c9d24950f3d53587fe3156c4f7d
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Prebuilt shared libraries (libclang.so, libLLVM.so and etc) have been
moved to prebuilts/sdk/tools/linux/lib64. Update the search path in
cpp.py to match the change.
Bug: 20485471
Change-Id: Ib7784db4d5529d16a1e2bfc07cb0237929bc5a64
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Replace the tokenizer in cpp.py with libclang.
Bug: 18937958
Change-Id: I27630904c6d2849418cd5ca3d3c612ec3078686d
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Change-Id: Ifa75345db43434298cfb6113fbe2f7a33b88c79d
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If you rewrite the tokens of a #if you need to rewrite the expression to match
because either might be used later. This was showing up as SIGRTMAX being
rewritten in a #define but not in the #ifndef that guarded it, for which case
I've added a unit test.
Change-Id: I6929675461a1afe272edd667594529fd84a3dc4d
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Our sigset_t definition hasn't been tied to our NSIG definition since we
switched to uapi headers, so we can now fix it without breaking the LP32 ABI.
The kernel uapi headers define and use _NSIG, so we need to have our scripts
rename the kernel's definitions out of the way, then we can define _NSIG
and NSIG in terms of the kernel's off-by-one value.
Bug: 12938442
Change-Id: Ic7c86fd5be5ad1d822f7b2b1d88c8a0d70a1ac0f
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Used in various uapi headers.
Change-Id: Id0f862d2adc7ddc9727e8a29160d5435f8d547c3
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The old code ignored operator precedence (!), despite having two tables
of operator precedence. The code's still pretty awful, but I've cleaned
it up enough to fix this, the most important bug.
This patch lets us correctly clean the uapi unistd.h, stat.h, and swab.h files,
and also fixes the mess we were already making of various old kernel
header files. I've added a bunch more tests, fixed the existing tests that
the existing script was already failing (!), and changed the script so that
the tests are run every time the script is run.
We can probably remove some of the old kernel header files that we were
parsing incorrectly, but we can worry about that later.
Bug: 11253477
Change-Id: Ie66c65b3a7ae13b4e98ed8038a6a534f06eae0e5
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Manual changes:
cpp.py: cope with macros that refer to other macros.
defaults.py: x86 no longer always implies __i386__; use __i386__ to replace
the kernel CONFIG_X86_32 flag.
asm/page.h: the upstream page.h isn't a uapi header and no longer includes
the stuff we were using it for. Let's just have our own static file, since
it's the same for all our architectures (both 32- and 64-bit).
sys/select.h: we used to use the various FD_SET-related macros from the
kernel header files, but they've gone. Adjust by adding trivial equivalent
definitions.
Automated changes:
libc/kernel/arch-x86, libc/kernel/common: regenerated from
external/kernel-headers.
Change-Id: I84fc0ed52dc742e043b4ae300fd3b58ee99b7fcd
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And fix the scripts so they stop letting trailing whitespace through.
Change-Id: Ie109fbe1f63321e565ba0fa60fee8e9cf3a61cfc
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Make the scripts use external/kernel-headers/original by default.
clean_header.py: Document -k<path>, add -d<path>
find_headers.py: Make kernel config files optional
update_all.py: Allow setting the path to kernel headers on the command-line
update_all.py: Better formatting of output on ttys
update_all.py: Automatically perform "git add/rm" on affected files.
SYSCALLS.TXT: Fix typo in __socketcall definition.
checksyscalls.py: Add support for superH architecture in the checks.
gensyscalls.py: Automatically perform "git add/rm" on affected files.
cpp.py: Fixed a bug that prevented certain type definitions to
be kept in the generated clean header (e.g.
struct ethtool_drvinfo in <linux/ethtool.h>)
All scripts will use the content of external/kernel-headers/original by default now.
The generated code removes all empty lines and trailing whitespace. This is useful
to ensure a unified output even if we change the parser again in the future.
The top-level disclaimer has been edited with update instructions to regenerate
the headers when needed.
Also, a warning is now inserted every 8th line in the final output:
/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
Changes under kernel/arch-arm and kernel/arch-x86 should correspond to whitespace
differences and additionnal struct definitions that were missed by the previous
parser implementation.
Change-Id: Icd1c056bacd766759f3e9b7bb5d63a246f3d656a
WARNING: If you run these script, do not submit the result to gerrit for now.
It seems there are discrepancies between the content of original headers
and those currently commited under bionic/libc/kernel/.
(This problem is the main motivation to insert the warning repeatedly).
Current list of issues:
- Missing SuperH headers (i.e. external/kernel-headers/original/asm-sh)
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Change-Id: I14cf6337945560b012732ae0fe7a247074810678
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