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3708 Commits

Author SHA1 Message Date
Dmitry Stogov
7e494d9225 Fixed bug #80861 (erronous array key overflow in 2D array with JIT) 2021-03-17 22:59:59 +03:00
Dmitry Stogov
faf1567212 Fixed bug #80839 (PHP problem with JIT) 2021-03-17 16:55:09 +03:00
Nikita Popov
82622d7583 Fix refcount inference for typed properties 
We were not adding RC1/RCN if the MAY_BE_OBJECT came from a class
type and there was no other refcounted type in the union.
 2021-03-16 11:17:18 +01:00
Michael Heimpold
eaf9421df6 ext/opcache: fix configure output while checking mmap MAP_ANON support 
It seems that f3efb9e3fb introduced a "typo" which may result
in the following confusing message:

checking for mmap() using MAP_ANON shared memory support... no=yes

Let's fix this.

Signed-off-by: Michael Heimpold <mhei@heimpold.de>

Closes GH-6758.
 2021-03-15 10:52:57 +01:00
Dmitry Stogov
3b377b51a2 Fixed bug #80814 (threaded mod_php won't load on FreeBSD: No space available for static Thread Local Storage) 2021-03-10 16:03:47 +03:00
David Carlier
ae23852e41 Add supports for FreeBSD's PROT_MAX to let mprotect knows X flag can be applied in addition. 
Closes GH-6738.
 2021-03-05 16:44:08 +01:00
Christoph M. Becker
1c16749eaa Merge branch 'PHP-7.4' into PHP-8.0 
* PHP-7.4:
  Print error code if CreateMutex() fails
 2021-03-05 15:08:24 +01:00
Christoph M. Becker
e0e167e581 Print error code if CreateMutex() fails 
This issue came up recently in a bug report[1]; without the error code,
users can barely guess why the function failed.

[1] <https://bugs.php.net/80812>

Closes GH-6745.
 2021-03-05 15:06:18 +01:00
Dmitry Stogov
957cb13a49 Fixed bug #80802: (zend_jit_fetch_indirect_var assert failure with tracing JIT) 2021-03-01 23:57:20 +03:00
Nikita Popov
e857936518 Fixed bug #80805 
Handle missing result_var in binary_op_result_type.

(cherry picked from commit 8446e28275)
 2021-03-01 15:13:15 +01:00
Dmitry Stogov
b7fa5268e4 Fixed bug #80782 (DASM_S_RANGE_VREG on PHP_INT_MIN-1) 2021-02-24 12:20:20 +03:00
Nikita Popov
79cf2c56d3 Fixed bug #80786 
Don't use r0 as temporary register in math_double_long if it is
already used for a memory result.

This was already done in one branch, but not the other.
 2021-02-23 10:22:00 +01:00
Dmitry Stogov
7f68a7afe6 Fixed bug #80745 (JIT produces Assert failure and UNKNOWN:0 var_dumps in code involving bitshifts) 2021-02-17 11:51:13 +03:00
Dmitry Stogov
fad87a24da Fixed bug #80742 (Opcache JIT makes some boolean logic unexpectedly be true) 2021-02-16 20:02:12 +03:00
Nikita Popov
7215261349 Update func info after password_get_info() change 2021-02-11 11:44:14 +01:00
Nikita Popov
0c6ff5eafa Merge branch 'PHP-7.4' into PHP-8.0 
* PHP-7.4:
  Try SIGTERM before SIGKILL in opcache restart
 2021-02-04 17:07:30 +01:00
Nikita Popov
8b7aaad7d6 Try SIGTERM before SIGKILL in opcache restart 
SIGTERM is subject to HANDLE_BLOCK_INTERRUPTIONS(), which will
allow code to exit critical sections before it gets terminated.

Closes GH-6493.
 2021-02-04 17:07:18 +01:00
Remi Collet
4a35f4a476 Merge branch 'PHP-7.4' into PHP-8.0 
* PHP-7.4:
  NEWS
  Fix #80682 opcache doesn't honour pcre.jit option
 2021-01-28 16:26:26 +01:00
Remi Collet
067f7e4150 Fix #80682 opcache doesn't honour pcre.jit option 2021-01-28 16:24:39 +01:00
Dmitry Stogov
64622979f9 Fixed observer API and JIT compatibility 2021-01-26 21:31:15 +03:00
Alex Samorukov
527bcb1e2e Fix opcache phpize build on FreeBSD 
Closes GH-6589.
 2021-01-25 15:10:47 +01:00
Nikita Popov
286c13e1e6 Skip preloading test on windows 2021-01-20 10:09:31 +01:00
Dmitry Stogov
6288228b56 Fixed bug #80634 (write_property handler of internal classes is skipped on preloaded JITted code) 2021-01-20 11:03:37 +03:00
Dylan K. Taylor
872f302b8d Keep JIT region executable under ZTS 
When one thread tries to compile a script, another thread may
already be executing JITed code. In this case we can't make the
memory non-executable.

This violates the W^X principle, but doesn't seem to be avoidable
for ZTS builds for now. The same problem does not exist for NTS,
as it's a different process executing there, which has it's own
memory protection mapping.

Closes GH-6595.
 2021-01-19 10:25:42 +01:00
Nikita Popov
fbd8e20ed5 Observe unused return values in JIT 
Even if the return value is not used, it should still be available
to the observer.
 2021-01-19 10:09:53 +01:00
Dmitry Stogov
3edf5c969a Fixed bug #80422 (php_opcache.dll crashes when using Apache 2.4 with JIT) 2021-01-14 08:16:27 +03:00
Dmitry Stogov
35e0506a2e Add guard if lvalue of assignment may be a reference, but wasn't a reference during recording 2021-01-11 15:12:27 +03:00
Dharman
44a311dbbe Fix/improve mysqli stubs 
* mysqli_commit $flags default value is 0, not -1.
* A number of functions cannot actually return null.
* mysqli_poll parameter names were incorrect, as this function
  has a different signature from select.
* fetch functions apart from fetch_all can return false on failure.
 2021-01-06 11:28:45 +01:00
Dmitry Stogov
da0ca53f39 Initialize EX(call)->func by single instruction 2020-12-29 13:20:10 +03:00
Dmitry Stogov
56fde2a381 Reuse value stored in %r0 instead of immediate operand 2020-12-29 13:18:56 +03:00
Dmitry Stogov
23bbff2b05 Eliminate redundand comparison insructions 2020-12-24 16:58:54 +03:00
Dmitry Stogov
de78786566 Optimize out result value of ASSIGN, ASSIGN_OP and INC/DEC opcodes, if possible. 2020-12-15 14:30:58 +03:00
Ayesh Karunaratne
724e241c9d JIT: Update invalid opcache.jit INI value message to include "tracing" and "function" values 
`opcache.jit` accepts `tracing` and `function` as aliases, but they were not mentioned in the start-up INI warning message.
This updates the error message to include all possible values.

Closes GH-6490.
 2020-12-15 10:18:33 +01:00
David Carlier
1e6c7e776c JIT disabled build fix. 
Closes GH-6514.
 2020-12-15 09:51:16 +01:00
Dmitry Stogov
b3377028dc Remove unused flag 2020-12-14 15:29:21 +03:00
Dmitry Stogov
a12e7affd7 Fixed bug #80506 (Immediate SIGSEGV upon ini_set("opcache.jit_debug", 1)) 2020-12-14 15:26:11 +03:00
Dmitry Stogov
dde5572937 Eliminate some repeatable IS_REFERENCE checks 2020-12-10 14:45:54 +03:00
Dmitry Stogov
e9f9e9f863 Perform early guard type check for result of FETCH_CONSTANT 2020-12-09 22:24:03 +03:00
Dmitry Stogov
8d268e8443 Fixed IS_32BIT/IS_SIGNED_32BIT mess 2020-12-09 17:16:54 +03:00
Dmitry Stogov
db34491a62 Avoid unnecessary checks 2020-12-08 13:10:35 +03:00
Dmitry Stogov
7971602574 Fixed bug #80480 (Segmentation fault with JIT enabled) 2020-12-07 13:28:37 +03:00
Christoph M. Becker
72cd5793be Fix failing VirtualProtect() calls 
Whenever JIT is disabled due to incompatibilities, we also need to set
`JIT_G(on)` to zero.

Closes GH-6470.
 2020-12-02 16:51:50 +01:00
Dmitry Stogov
1674c96c0b Bug #80447 (Strange out of memory error when running with JIT) 2020-12-01 16:43:05 +03:00
Dmitry Stogov
31eafedf2e Skip test if JIT is not available 2020-12-01 09:58:33 +03:00
Dmitry Stogov
841b00f641 Preallocate stack space for JIT in execute_ex() to eliminate JIT prologue/epilogue. 2020-11-30 17:56:08 +03:00
Dmitry Stogov
5f36d0497f Fixed "may be used uninitialized" compilation warnings 2020-11-30 17:46:43 +03:00
Dmitry Stogov
a0baa09b99 Hide phpdbg/JIT incompatibility macro (JIT is disabled for phpdbg) 2020-11-30 16:42:17 +03:00
Dmitry Stogov
d5a82e2c4e Disable JIT with incompatible third-party extensions 2020-11-30 13:58:34 +03:00
Nikita Popov
fdb05b92bf Only replace IN_ARRAY result type for JMPZ/JMPNZ 
Replacing the result type in the general case is dangerous,
because not all opcodes support both VAR and TMP. One common case
is the in_array() result being passed to SEND_VAR, which would
have to be changed to SEND_VAL.

Rather than complicating this logic, reduce the scope to only
doing the type replacement for JMPZ and JMPNZ. The only reason
we're doing this in the first place is to enable the smart branch
optimization, so we can limit it to the relevant opcodes. Replacing
the result type may be marginally useful in other cases as well
(as it may avoid reference checks), but not worth the bother.
 2020-11-30 11:18:21 +01:00
Nikita Popov
5b3809e942 Respect strict_types during sccp function call evaluation 
Similar to what we do with attributes, add a dummy call frame
on which we can set the strict_types flag.
 2020-11-27 20:24:00 +01:00