Commit graph

1257 commits

Author SHA1 Message Date
Dmitry Stogov
9b1570a378 Removed deprecated comments and added expectations (overloaded properties and array elements are less frequently used than regular ones) 2015-08-19 12:21:14 +03:00
Xinchen Hui
e543769fa4 Fixed bug #70288 (Apache crash related to ZEND_SEND_REF) 2015-08-18 21:45:19 +08:00
Xinchen Hui
8df3461086 Improved fix for bug #70262 2015-08-18 18:07:31 +08:00
Dmitry Stogov
ce89fd9758 Fixed bug #70262 (Accessing array crashes PHP 7.0beta3) 2015-08-17 12:58:14 +03:00
Dmitry Stogov
57a8620761 Set expectations 2015-08-14 10:59:39 +03:00
Dmitry Stogov
715d5d2855 Get rid of implicit type casting in GC_*() macros in Zend/zend_types.h.
This prevented compilation warnings and disclosed few incorrect usages in Zend/zend_vm_def.h and ext/dom/xpath.c.
Now explicit type casting may be required on call site.
This may break some C extension code, but it shoulfn't be a problem to add explicit casting.
2015-08-13 13:56:29 +03:00
Dmitry Stogov
fef086d113 Revert "Simplify ZEND_EXIT and count boolean values to it as exit status"
This reverts commit 7c003948c6.
2015-08-12 02:58:21 +03:00
Bob Weinand
7c003948c6 Simplify ZEND_EXIT and count boolean values to it as exit status 2015-08-11 22:36:47 +02:00
Bob Weinand
f57cb13c56 Backport fix for bug #70083 to PHP-5.6 2015-07-15 22:46:53 +02:00
Dmitry Stogov
bdada12dae Reverted useless cleanup code 2015-08-10 23:55:37 +03:00
Bob Weinand
cab75d8b00 Fixed bug #70215 (segfault when __invoke is static) 2015-08-08 16:19:12 +02:00
Dmitry Stogov
5202ba5a3e Fixed possible access to uninitialized data (prevents valgrind issues in Zend/tests/bug70089.phpt) 2015-08-04 10:48:32 +03:00
Nikita Popov
743801054d Try to fix finally issue 2015-08-04 07:42:28 +03:00
Bob Weinand
d8fe645db4 Fix valgrind errors in phpdbg
Revert "We cannot safely assume that all op array will be refcount 0 after execution"
This reverts commit b6936adb58.

This change turns out to not have been a clever idea and was causing more weirdness than it helped...
2015-08-04 00:00:10 +02:00
Bob Weinand
2d6f0e4584 Fix bug #70179 ($this refcount issue) 2015-08-01 20:35:56 +02:00
Xinchen Hui
5ac6b8bcc6 Always checks for exception before push call frame 2015-07-28 16:06:06 +08:00
Xinchen Hui
4e9674f1a3 Previously fix is not right 2015-07-28 14:54:53 +08:00
Xinchen Hui
df23dd78a5 Revert "Attempt to fix bug35437.phpt fails"
This reverts commit 16d6dfddef.
2015-07-28 14:54:20 +08:00
Xinchen Hui
ef04c5c584 Revert "re-generate zend_vm_execute.h"
This reverts commit 4b6d4a1214.
2015-07-28 14:54:12 +08:00
Xinchen Hui
4b6d4a1214 re-generate zend_vm_execute.h 2015-07-28 11:15:57 +08:00
Xinchen Hui
16d6dfddef Attempt to fix bug35437.phpt fails 2015-07-28 11:06:52 +08:00
Xinchen Hui
0a5bbbdc92 Merge branch 'master' of git.php.net:php-src 2015-07-23 11:18:50 +08:00
Xinchen Hui
a123876b4e Fixed bug #70117 (Unexpected return type error) 2015-07-23 11:16:10 +08:00
Bob Weinand
b6936adb58 We cannot safely assume that all op array will be refcount 0 after execution
Some extensions may want to analyze or re-run the op array later
2015-07-22 17:16:16 +02:00
Nikita Popov
7c661bd304 Remove FAST_CALL_FROM_CATCH
This was generated for a return from a try block with both a catch
and a finally. However at this point no exception can be active,
because it either didn't exist in the first place or was explicitly
discarded using DISCARD_EXCEPTION.
2015-07-21 21:13:34 +02:00
Nikita Popov
94fb5391e7 Remove bogus exception_save() from FETCH_CLASS
There can't be no exception at the start of the op. Also would miss
the corresponding exception_restore().
2015-07-20 22:56:51 +02:00
Xinchen Hui
7d07afd6c1 Fixed bug #70089 (segfault at ZEND_FETCH_DIM_W_SPEC_VAR_CONST_HANDLER ()) 2015-07-17 15:55:34 +08:00
Bob Weinand
0af0733352 Fixed bug #70083 (Use after free with assign by ref on overloaded objects) 2015-07-15 22:36:42 +02:00
Xinchen Hui
d0bea17d2e Improve the conditions(save one comparison) 2015-07-15 10:55:41 +08:00
Bob Weinand
82b1e22b57 Preserve return value in zend_vm_call_opcode_handler with global opline/ex registers enabled 2015-07-13 14:12:45 +02:00
Xinchen Hui
95ff2852ee Micro optimization 2015-07-10 16:39:21 +08:00
Dmitry Stogov
ef1b588f6a Resolve GOTO at compile time and replace it with sequnce of FREE/FE_FREE and JMP. 2015-07-10 04:44:21 +03:00
Dmitry Stogov
44f7348caa Exception thrown by "return" statement (from TMP destructors) shouldn't be caught in the same function 2015-07-10 04:13:34 +03:00
Dmitry Stogov
549e8c4959 Squashed commit of the following:
commit 03cf871f1576f08b2348c141b209894a7bf17a86
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:31 2015 +0300

    Revert "Fixed bug #62210 (Exceptions can leak temporary variables. As a part of the fix serious refactoring was done. op_array->brk_cont_array was removed, and replaced with more general and speed efficient op_array->T_liveliness. ZEND_GOTO opcode is always replaced by ZEND_JMP at compile time). (Bob, Dmitry, Laruence)"

    This reverts commit 5ee8413259.

commit 285a68227ce3d380e821a24fa389aa5239bd3fe1
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:26 2015 +0300

    Revert "Tuned off dubugging of live ranges"

    This reverts commit 404dc93d35.

commit 93d9d11157301ee2ec99afb6f5744b126d17f637
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:17 2015 +0300

    Revert "Remove loop_var_stack"

    This reverts commit b3a4c05071.

commit ede68ebbc284aec79e3f719f2c8dbf9da6907752
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:12 2015 +0300

    Revert "ZEND_SEPARATE reuses temporaries"

    This reverts commit 1852f538b9.

commit 96d8995dc1f517fb01b481736273767509f76c47
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:10 2015 +0300

    Revert "Add assertion in liveliness computation"

    This reverts commit ed14019e8c.

commit 0649d7bfef152e6cc8e67b922534e9946c634d9c
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:07 2015 +0300

    Revert "Fixed invalid live-range detection"

    This reverts commit 54f367ee2a.

commit dfe8f3851f6b04595eb089323e3492115a59363e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:04 2015 +0300

    Revert "Add test guaranteeing that loop vars are only freed after potential return type exceptions"

    This reverts commit f5db5a558d.

commit 52a94aad6f48a199358cc07f7e4f56bb73050504
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:45:01 2015 +0300

    Revert "Fixed exception habdling on "return" statement."

    This reverts commit 17c5315bdf.

commit 6e90ad7331901711e89c2ceb2bcab5023e5cee60
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:44:58 2015 +0300

    Revert "Fix too early terminated temporary range with break/cont/goto"

    This reverts commit cc876c04b4.

commit 7b766e44b1970e4031f75109c302c07ead2c05cb
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 10 02:44:55 2015 +0300

    Revert "Fixed exception catching on break/continue"

    This reverts commit 8c3f701eeb.
2015-07-10 03:31:52 +03:00
Dmitry Stogov
8c3f701eeb Fixed exception catching on break/continue
Fixed "finaly" handling on exception in "return" statement
2015-07-09 23:20:50 +03:00
Bob Weinand
cc876c04b4 Fix too early terminated temporary range with break/cont/goto
I have no crashing or leaking reproduce script, only valgrind invalid reads for that one; hence no phpt here
2015-07-09 20:07:57 +02:00
Dmitry Stogov
17c5315bdf Fixed exception habdling on "return" statement.
Such exceptions shouldn't be caught in the same function.
2015-07-09 20:47:25 +03:00
Dmitry Stogov
301ee26568 Fixed situation, when CHECH_EXCEPTION() might change value of "opline" variable and the following "opline" useages would access elements of different opcode. That might lead to unpredictable behavior. (Only PHP-7 with GCC global register variables was affected).
CHECK_EXCEPTION() macro is removed. ZEND_VM_NEXT_OPCODE_CHECK_EXCEPTIO() should be used instead. It's equivalent to old CHECK_EXCEPTION() + ZEND_VM_NEXT_OPCODE().
As a side effect, this also slightly improved performnce of builds with GCC >= 4.8.
2015-07-08 18:33:58 +03:00
Xinchen Hui
b9e48073b3 Make sure fast_call_var is initialized properly 2015-07-08 18:24:27 +08:00
Xinchen Hui
3b5876916d Remove outdate comment 2015-07-08 17:42:50 +08:00
Xinchen Hui
c6037bd3af Fixed bug #70012 (Exception lost with nested finally block) 2015-07-08 17:15:09 +08:00
Xinchen Hui
ca30d5bf39 Fixed bug #70012 (Exception lost with nested finally block) 2015-07-08 17:14:19 +08:00
Aaron Piotrowski
5df893ce3c Use NULL where possible for exception class
Matches usage of zend_throw_exception()/zend_throw_exception_ex().
2015-07-07 12:10:55 -05:00
Dmitry Stogov
5ee8413259 Fixed bug #62210 (Exceptions can leak temporary variables. As a part of the fix serious refactoring was done. op_array->brk_cont_array was removed, and replaced with more general and speed efficient op_array->T_liveliness. ZEND_GOTO opcode is always replaced by ZEND_JMP at compile time). (Bob, Dmitry, Laruence)
Squashed commit of the following:

commit 38e22106d4
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 15:12:19 2015 +0300

    Added NEWS entry

commit 0a355935bf
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 15:06:32 2015 +0300

    Inline function, to eliminate repeatable checks

commit d937584f3a
Merge: 0341626 32677f5
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 14:35:49 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Fixed bug #70006 (cli - function with default arg = STDOUT crash output).
      Fix x86 build
      Fixed use after free on closure_call_leak_with_exception.phpt
      Fixed test

commit 0341626ea9
Merge: 74869fa dec35de
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 12:00:53 2015 +0300

    Merge branch 'temporary_cleaning' of https://github.com/laruence/php-src into temporary_cleaning

    * 'temporary_cleaning' of https://github.com/laruence/php-src:
      Fixed checkpoint get
      Fixed crash of invalid pointer derefer
      cleanup

commit 74869fa673
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 11:45:34 2015 +0300

    Fixed wrong GOTO resolution

commit dec35ded32
Author: Xinchen Hui <laruence@gmail.com>
Date:   Tue Jul 7 15:58:49 2015 +0800

    Fixed checkpoint get

commit b0f419540a
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 10:47:11 2015 +0300

    Fixed crash of invalid pointer derefer (laruence)

commit 7a428d98ca
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 10:35:47 2015 +0300

    Fixed identation

commit 9c3a4dce9c
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 10:33:52 2015 +0300

    Fixed invalid size

commit 653abc670b
Author: Xinchen Hui <laruence@gmail.com>
Date:   Tue Jul 7 11:29:14 2015 +0800

    Fixed crash of invalid pointer derefer

commit e04500ceda
Author: Xinchen Hui <laruence@gmail.com>
Date:   Tue Jul 7 11:28:26 2015 +0800

    cleanup

commit 34183e1687
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:49:46 2015 +0300

    op_array->T_liveliness compression

commit 2f6ad84579
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:44:44 2015 +0300

    White spaces

commit be83f115a3
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:42:26 2015 +0300

    Identation

commit 1f5084b990
Merge: 91b620d 1adf3df
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:41:54 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Throw TypeError for invalid callback
      Fix crash when exception occurs during nested rope
      Fix crash when exception is thrown during ROPE_END
      Small cleanup in ternary compilation
      move the define to the right place
      fix ext/ldap build
      Rectify information about invalid shift warning being now ArithmeticError

commit 91b620d684
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 04:32:04 2015 +0300

    Replace GOTO by FREE/FE_FREE and JMP at compile time

commit 7052e56979
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Tue Jul 7 02:25:08 2015 +0300

    Use zend_regenerate_var_liveliness_info() to regenerate information after pass two.

commit ae72b0dc67
Merge: a81c4bb a919fe8
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 21:02:34 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Do not display EXT_TYPE_UNUSED in phpdbg opcodes
      Run debug build with opcache on travis

commit a81c4bb8c6
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 20:59:34 2015 +0300

    Improved algorithm. It's actually the same algorithm with second loop removed and simpler temporary data structures. The only difference may be in "re-defined" vatriable handling. Now live-range in that case started from the seconnd definition (this must be more safe).

commit 9a16810f7a
Merge: bbfbe47 001ecd3
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 17:57:45 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Simplify TMP var number decoding (without HashTable)

commit bbfbe470c8
Merge: 0bda4ab 436b01e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 17:02:01 2015 +0300

    Merge branch 'master' into temporary_cleaning

    * master:
      Avoid dangerous optimization
      Fixed JMPZNZ instruction printing
      Attempt at falling back on ldap_find_control for Mac OS

commit 0bda4abea7
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 16:05:33 2015 +0300

    Fixed live-range construction for OP_DATA opcode
    Added comments about algorithm assumtions

commit 521ad9df98
Merge: 4398dab a09dcb0
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Mon Jul 6 14:54:15 2015 +0200

    Merge branch 'master' of https://github.com/php/php-src into temporary_cleaning

commit 4398dab82f
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Mon Jul 6 13:51:27 2015 +0200

    Add a few phpt tests related to temporary cleaning

commit 739656f83f
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 14:28:49 2015 +0300

    Fixed Zend/tests/foreach_004.phpt failure (FE_FETCH shouldn't be included into TMP vatriablr live range)

commit 3df462a2bc
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 13:41:02 2015 +0300

    Improve data layout (reduce the op_array structure size on 64-bit systems)

commit 883b73c56e
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Mon Jul 6 13:28:45 2015 +0300

    Removed op_array->brk_cont_array

commit ae5e58b598
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Mon Jul 6 04:22:58 2015 +0200

    Fix bug with brk_cont variable free / free loop vars via temporary liveliness info

commit b4223ca627
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Mon Jul 6 04:07:07 2015 +0200

    Fix bugs / cleanup fixes

commit ea33189d22
Author: Xinchen Hui <laruence@gmail.com>
Date:   Sun Jul 5 20:58:38 2015 +0800

    Removed useless TsTop

commit 1dbb007e4a
Merge: 550bbf8 3a8af24
Author: Xinchen Hui <laruence@gmail.com>
Date:   Sat Jul 4 15:06:44 2015 +0800

    Merge branch 'temporary_cleaning' of https://github.com/dstogov/php-src into temporary_cleaning

commit 3a8af24529
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 3 16:15:36 2015 +0300

    More exceptions from regular liveliness analyses (with explanation in comments).
    Mark old "unexplained" exceptions with ???.

commit ba721efa2c
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 3 14:16:09 2015 +0300

    Print list of live temp variables (at least for internal debugging)

commit 8d1f88fe91
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 3 13:31:56 2015 +0300

    Use op_array->T_liveliness to free incomplete ropes and restore error_reporting level on exception

commit 80c1d0d779
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Fri Jul 3 11:05:39 2015 +0300

    Don't keep empty T_liveliness

commit 501ae8aaac
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Jul 2 22:31:48 2015 +0300

    Reverted changes to Zend/zend_arena.h.
    Reuse CG(arena) instead of creating a new one.

commit a4fce36907
Merge: 6ff7246 fd0fcce
Author: Dmitry Stogov <dmitry@zend.com>
Date:   Thu Jul 2 22:01:42 2015 +0300

    Merge branch 'temporary_cleaning' of github.com:bwoebi/php-src into temporary_cleaning

    * 'temporary_cleaning' of github.com:bwoebi/php-src:
      Fix remaining issues with compacted temporaries
      Fix regression from last commit (+1 ?!)
      Fix off-by-one (opcache may remove last ZEND_RETURN)
      Speed algorithm up, more fail safety when reusing temporaries
      Dumb bug in opcode.c (forgot to update Ts[i])
      Fix opcache support
      Exempt ROPE temporaries from freeing
      Hmm, we need temporary info for all the opcodes
      Add opcache support for cleaning in optimization step (Opcache seems to have a few unrelated issues which blow up together with that patch)
      Add proper temporary cleaning upon frame abortion
      Fix arena on small sizes (size < sizeof(zend_arena))

commit fd0fcce811
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Thu Jul 2 20:00:33 2015 +0200

    Fix remaining issues with compacted temporaries

commit 427dc58bbb
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 22:49:12 2015 +0200

    Fix regression from last commit (+1 ?!)

commit 1adcf56a6e
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 22:17:07 2015 +0200

    Fix off-by-one (opcache may remove last ZEND_RETURN)

commit 25b231b784
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 20:59:24 2015 +0200

    Speed algorithm up, more fail safety when reusing temporaries

commit 22d9d05350
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 16:48:46 2015 +0200

    Dumb bug in opcode.c (forgot to update Ts[i])

commit 6538269bfa
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Wed Jul 1 13:05:52 2015 +0200

    Fix opcache support

commit 333a7c4a88
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Sat Jun 27 22:40:21 2015 +0200

    Exempt ROPE temporaries from freeing

commit 02585f7708
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Fri Jun 26 16:20:55 2015 +0200

    Hmm, we need temporary info for all the opcodes

commit cbcaedbd78
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Fri Jun 26 01:04:09 2015 +0200

    Add opcache support for cleaning in optimization step
    (Opcache seems to have a few unrelated issues which blow up together with that patch)

commit fef649f406
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Fri Jun 26 01:02:27 2015 +0200

    Add proper temporary cleaning upon frame abortion

commit 1cec2e7271
Author: Bob Weinand <bobwei9@hotmail.com>
Date:   Thu Jun 25 23:33:21 2015 +0200

    Fix arena on small sizes (size < sizeof(zend_arena))
2015-07-07 15:41:12 +03:00
Nikita Popov
89ce8d28de Fix crash when exception is thrown during ROPE_END
The CHECK_EXCEPTION() was done at a point where the old opline is
still used, thus redirecting the write to the result var into
EX(call) instead.

Handling the exception in-place to avoid leaking result.
2015-07-06 20:15:45 +02:00
Xinchen Hui
ce550cefde Fixed segfault while with generating ext info 2015-07-06 15:22:40 +08:00
Aaron Piotrowski
22c38b2ef5 Remove need to pass error level 2015-07-03 17:53:41 -05:00
Aaron Piotrowski
5a99c07ecc Enable throwing custom exceptions from errors 2015-07-03 17:53:40 -05:00
Bob Weinand
007d7ac7ca Use DivisionByZeroError instead of exception for %/intdiv() 2015-07-02 02:20:58 +02:00
Dmitry Stogov
7aa7627172 Use ZSTR_ API to access zend_string elements (this is just renaming without semantick changes). 2015-06-30 13:59:27 +03:00