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2891 commits

Author SHA1 Message Date
Jonathan Holburn
e5f0cdbc2c Add dylan test object to comm.gmk for extcon, missing from last commit 2023-05-10 13:57:26 +01:00
Jonathan Holburn
236a039ec7 Remove homebrew format from extcon testbench and replace with dylan fmt. also disable code relating to stack roots. also replaces deprecated root_table. add comments 2023-05-10 13:51:39 +01:00
Richard Brooksby
139c99181d Disabling the insist comparing the testobj array to the cold end of the stack, since the testobj array is now a static and not comparible. 2023-05-02 16:02:48 +01:00
Richard Brooksby
c1d3717e0a Moving the root of objects into a static to avoid problems with the cold end of the stack for now, deferring solution of github issue <https://github.com/ravenbrook/mps/issues/210>. convertin asserts to insists so that they are present in hot builds. 
GitHub-reference: https://github.com/Ravenbrook/mps/issues/210
 2023-05-02 15:40:26 +01:00
Jonathan Holburn
1ef514c729 Add output to aid cold end of stack debugging 2023-04-26 18:01:53 +01:00
Richard Brooksby
273f4aeb02 Adding detailed output to extcon about memory reservation and gc cycles, to try to diagnose intermittent failures in ci. 2023-04-14 17:33:16 +01:00
Richard Brooksby
4e59883e96 Removing unnecessary arena_park. 2023-04-14 15:32:37 +01:00
Richard Brooksby
38eb470a7b Adding an attribute to test_main to prevent clang 14 from inlining it an reordering locals, causing stack roots to become lost. working around github issue <https://github.com/ravenbrook/mps/issues/210>. 
GitHub-reference: https://github.com/Ravenbrook/mps/issues/210
 2023-04-14 15:32:10 +01:00
Richard Brooksby
f6214ab9ae Adding an assertion that forces gcc not to reorder locals, working around github issue <https://github.com/ravenbrook/mps/issues/210>. 
GitHub-reference: https://github.com/Ravenbrook/mps/issues/210
 2023-04-14 15:08:27 +01:00
Richard Brooksby
612c2e8e62 Detabifying extcon.c. 2023-04-14 10:52:08 +01:00
Richard Brooksby
37f89e794e Adding extcon extension/contraction test to posix builds. fixing warnings in extcon.c. 2023-04-14 10:46:56 +01:00
Jonathan Holburn
551df8b2c6 Fix test to ensure that cold pointer exists in colder stack frame. 
This avoids the issue https://github.com/Ravenbrook/mps/issues/210

Also increase the number of test objects by *10 to make it more likely
the arena will decide to contract.

Also comment out some printfs in the interrupt context, to avoid messy
output.

Also fix some typos in comments
 2023-04-14 10:10:18 +01:00
Jonathan Holburn
6ee0abfb54 Add test for arena extend and contract callbacks 2023-04-13 12:25:15 +01:00
Richard Brooksby
bf20351ddb Part of making extension callbacks part of the public mps. 
* Move type and macro declarations to the public header mps.h.
* Move documentation to appropriate sections of manual.

(cherry picked from commit b928fa236178fb1bdbe20442c3f53b8e8a545a4b)
 2023-04-13 10:07:58 +01:00
Richard Brooksby
e3accea56d Merging branch/2023-03-04/getpagesize-vs-sysconf for github pull request <https://github.com/ravenbrook/mps/pull/188>. 
GitHub-reference: https://github.com/Ravenbrook/mps/issues/188
 2023-03-23 22:17:37 +00:00
Richard Brooksby
ea36a51f82 Merging branch/2023-02-27/correct-file-names for github pull request <https://github.com/ravenbrook/mps/pull/179>. 
GitHub-reference: https://github.com/Ravenbrook/mps/issues/179
 2023-03-23 22:09:32 +00:00
Richard Brooksby
ec75fdc86d Minor documentation improvements in response to review <https://github.com/ravenbrook/mps/pull/179#pullrequestreview-1354912126>. 2023-03-23 15:44:06 +00:00
Richard Brooksby
601976ff80 Merging branch/2023-03-09/sig-design-tidy for github pull request <https://github.com/ravenbrook/mps/pull/193>. 
GitHub-reference: https://github.com/Ravenbrook/mps/issues/193
 2023-03-13 20:17:31 +00:00
Richard Brooksby
c709188183 Merging branch/2023-02-21/termux-build for github pull request <https://github.com/ravenbrook/mps/pull/164>. 
GitHub-reference: https://github.com/Ravenbrook/mps/issues/164
 2023-03-09 11:53:39 +00:00
Richard Brooksby
9875ff7b9e Explaining the purpose of the calls variable in response to <https://github.com/ravenbrook/mps/pull/164#discussion_r1130845346>. 2023-03-09 11:33:14 +00:00
Richard Brooksby
ef69911fdd Cleaning up fixmes. moving signature on abqstruct to the start, since i couldn't find any justification for it to be at the end. it was always at the end. 2023-03-09 10:11:12 +00:00
Richard Brooksby
7482cf4f67 Cleaning up fixmes. we no longer initialize protocol classes with static initializers. 2023-03-09 10:06:39 +00:00
Richard Brooksby
3f0496d325 Cleaning up fixmes. inststruct does not have a signature. 2023-03-09 09:59:16 +00:00
Richard Brooksby
9fda23f4c6 Moving design documentation of signatures to design.mps.sig and updating tagging from code to be consistent. 2023-03-09 09:40:03 +00:00
Richard Brooksby
cc1731dcd0 Merging branch/2023-02-13/fix-typos for github pull request <https://github.com/ravenbrook/mps/pull/149>. 
GitHub-reference: https://github.com/Ravenbrook/mps/issues/149
 2023-03-08 11:10:53 +00:00
Richard Brooksby
d92239c2ab Declaring variable as static volatile to ensure clean communication with debugger and suppress warnings. this is a better expression of intention. 2023-03-08 11:03:27 +00:00
Richard Brooksby
93e50e49d5 Documenting deprecation of getpagesize(). 2023-03-04 07:56:29 +00:00
Bruce Mitchener
c261059da2 Unix: use sysconf(_sc_pagesize), not getpagesize() 
The `getpagesize()` is a legacy function and is not available
in the default configurations on some platforms.

The documentation for `getpagesize()` recommends using the POSIX
`sysconf(_SC_PAGESIZE)` instead.

Additionally, `sysconf(_SC_PAGESIZE)` returns a `long` rather than
an `int`, so the code is updated to handle that as well.

Sources:

* https://man7.org/linux/man-pages/man2/getpagesize.2.html
* https://pubs.opengroup.org/onlinepubs/7908799/xsh/getpagesize.html
 2023-03-04 14:11:09 +07:00
Bruce Mitchener
29cd6336df Correct file name references. 
The checks that these files are being used on the right platform
contain the wrong file names.
 2023-02-27 10:19:55 +07:00
Richard Brooksby
1479671d85 Clarifying todo in response to review <https://github.com/ravenbrook/mps/pull/119#discussion_r1115542531>. 2023-02-24 09:07:28 +00:00
Richard Brooksby
59f97ea66c Adding references to issues raised by review <https://github.com/ravenbrook/mps/pull/119#discussion_r1115543553>. 2023-02-24 08:53:03 +00:00
Richard Brooksby
6651dec098 Suppressing unused variable warning for static that we only look at from a debugger. 2023-02-21 16:17:51 +00:00
Richard Brooksby
6e73e0b166 Wrapping preservedinplacecount in statistic macros to suppress dataflow warning from clang. see <https://github.com/ravenbrook/mps/issues/163#issuecomment-1438723301>. 2023-02-21 16:09:04 +00:00
Richard Brooksby
eb8d6c211a Downgrading old fixmes to todos with better explanation of tasks. 2023-02-20 08:51:15 +00:00
Bruce Mitchener
dd509cdee9 Fix typos. 2023-02-13 23:27:57 +07:00
Richard Brooksby
209af03d99 Merging branch/2023-01-06/gcc-11.3.0-warnings for github pull request 92 <https://github.com/ravenbrook/mps/pull/92>. 2023-01-16 15:14:34 +00:00
Richard Brooksby
7ef53e411c Adding narrowing cast to suppress warning on fri6ll. 2023-01-11 18:18:51 +00:00
Richard Brooksby
2ccd0c1ed7 Adding narrowing cast to suppress warning on fr86ll. 2023-01-11 15:58:50 +00:00
Richard Brooksby
31478472a5 Merge branch 'branch/2023-01-05/travis-windows' into branch/2022-12-23/hardened-runtime to get travis to test this branch on windows before merging. 2023-01-11 08:20:17 +00:00
Gareth Rees
0b682800bc Handle errors from mmap and mprotect due to apple hardened runtime. 
On Apple Silicon, when Hardened Runtime is in force and the
application lacks the "Allow Unsigned Executable Memory Entitlement",
mmap and mprotect return EACCES when an attempt is made to create or
modify memory so that it is simultaneously writable and executable.

This commit handles these cases by retrying the operation without the
PROT_EXEC flag, and setting global variables so that future operations
omit the flag.
 2023-01-06 18:31:54 +00:00
Richard Brooksby
5dc1361d17 Resolve legit warning from gcc 11.3.0 about potential array overruns. 2023-01-06 17:39:48 +00:00
Richard Brooksby
0e18922e29 Fix travis ci build for windows using auxiliary batch script to escape from git bash to visual studio. 2023-01-06 12:18:03 +00:00
Gareth Rees
e1af227429 Avoid compilation error from clang 13.1. 2022-08-21 08:25:50 +01:00
Gareth Rees
e23890afa9 Handle partial allocation failure by marking allocated pages spare and purging, as suggested by rb in review. 
Copied from Perforce
 Change: 195997
 2022-01-17 20:19:08 +00:00
Gareth Rees
740d616eaa Eliminate pagestate and pagepoolunion: spare pages are now represented by the spare page land, and free/allocated pages can be distinguished using the pool pointer. 
Copied from Perforce
 Change: 195991
 2022-01-17 20:19:08 +00:00
Gareth Rees
7e9a3e456d Can't assert that res == reslimit since it may be an injected memory allocation failure from fotest. 
Copied from Perforce
 Change: 195988
 2022-01-17 20:19:07 +00:00
Gareth Rees
7bf58e3f53 Represent the spare memory as a land. 2022-01-17 20:19:07 +00:00
Gareth Rees
fe656c0565 New api function mps_pool_walk. 2022-01-17 17:39:18 +00:00
Gareth Rees
c37f35532d New function scanstateupdatesummary updates seg summary after scan. 2022-01-17 17:12:58 +00:00
Gareth Rees
0ee4d7ca06 Indirect formatted scanning through the scanstate. 
This will allow us to reuse the scanning protocol with an arbitrary area
scanning function (replacing traceFormatScan) in order to implement
formatted object walking without an extra segment method.

Don't insist on scanning only grey segments: we want to be able to
reuse the scan protocol for walking, when the segments are black.
 2022-01-17 17:12:58 +00:00