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113 commits

Author SHA1 Message Date
Richard Brooksby
ce2c19a174 Expanding tabs. 
Copied from Perforce
 Change: 189516
 ServerID: perforce.ravenbrook.com
 2016-03-02 08:58:45 +00:00
Richard Brooksby
14774ccd06 Eliminating closure_size from area scanners and root registration functions, as it isn't all that useful. 
Copied from Perforce
 Change: 189491
 ServerID: perforce.ravenbrook.com
 2016-03-01 15:59:06 +00:00
Richard Brooksby
13f0a20527 Removing assumption that area scanners take pointers to words. the client is at liberty to encode references in other ways. 
Copied from Perforce
 Change: 189484
 ServerID: perforce.ravenbrook.com
 2016-03-01 13:57:13 +00:00
Richard Brooksby
2193bd14bf Deprecating table roots. 
Copied from Perforce
 Change: 189483
 ServerID: perforce.ravenbrook.com
 2016-03-01 13:36:30 +00:00
Richard Brooksby
8cf9a64bd1 Implementing mps_root_create_area_tagged as documented. 
Copied from Perforce
 Change: 189324
 ServerID: perforce.ravenbrook.com
 2016-02-19 00:23:54 +00:00
Richard Brooksby
6413f3bc27 Renaming "bottom" and "top" of stack to "cold" and "hot" end, to prevent confusion about descending stacks. 
Correcting design documentation relating to stacks.
Referencing hot and cold end concepts from glossary entry for control stacks.

Copied from Perforce
 Change: 189320
 ServerID: perforce.ravenbrook.com
 2016-02-18 23:49:58 +00:00
Richard Brooksby
a63e366c59 Removing check that pattern fits within mask, as this restricts the generality of scan_area. 
Copied from Perforce
 Change: 189312
 ServerID: perforce.ravenbrook.com
 2016-02-18 20:49:21 +00:00
Richard Brooksby
4487895475 Detabifying code and restructuredtext files. 
Copied from Perforce
 Change: 189309
 ServerID: perforce.ravenbrook.com
 2016-02-18 19:58:13 +00:00
Richard Brooksby
3eeb5ff357 Documenting mps_root_create_area and mps_root_create_area_tagged. 
Copied from Perforce
 Change: 189243
 ServerID: perforce.ravenbrook.com
 2016-02-16 16:03:28 +00:00
Richard Brooksby
7464a68949 Documenting thread root registration functions. 
Copied from Perforce
 Change: 189207
 ServerID: perforce.ravenbrook.com
 2016-02-16 00:34:10 +00:00
Richard Brooksby
5a030d9a10 Making mps_root_create_thread a convenience function for the common case. 
Copied from Perforce
 Change: 189205
 ServerID: perforce.ravenbrook.com
 2016-02-15 23:30:12 +00:00
Richard Brooksby
c1918bc79b Creating general mps_root_create_thread and renaming mps_root_create_stack as a specialised version of it, mps_root_create_thread_tagged. 
Copied from Perforce
 Change: 189198
 ServerID: perforce.ravenbrook.com
 2016-02-15 19:12:59 +00:00
Richard Brooksby
b384334a32 Reimplementing mps_root_create_reg in terms of rootcreatethreadtagged and abolishing rootreg. yay! 
Copied from Perforce
 Change: 189197
 ServerID: perforce.ravenbrook.com
 2016-02-15 18:19:30 +00:00
Richard Brooksby
ab41d5c4f7 Renaming rootreg_masked to rootthread_tagged with corresponding changes to other identifiers. 
Copied from Perforce
 Change: 189196
 ServerID: perforce.ravenbrook.com
 2016-02-15 17:57:06 +00:00
Richard Brooksby
fe206feb2d Lifting stack and register area scanner into mps interface to allow generalisation of stack format. 
Copied from Perforce
 Change: 189195
 ServerID: perforce.ravenbrook.com
 2016-02-15 17:46:45 +00:00
Richard Brooksby
7238921356 Generalising roottable to rootarea and using it to implement mps_root_create_table_* and mps_root_create_area. 
Copied from Perforce
 Change: 189193
 ServerID: perforce.ravenbrook.com
 2016-02-15 17:30:45 +00:00
Richard Brooksby
fb6c150ba2 Generalising roottable_masked to rootarea_tagged and lifting scanner assumption. 
Copied from Perforce
 Change: 189192
 ServerID: perforce.ravenbrook.com
 2016-02-15 16:56:42 +00:00
Richard Brooksby
ae80015f4b Lifting assumptions about area scanners closer to interface. 
Copied from Perforce
 Change: 189191
 ServerID: perforce.ravenbrook.com
 2016-02-15 16:46:09 +00:00
Richard Brooksby
85a2d8683f Lifting and generalising area scanners to allow flexible tagging schemes. 
Copied from Perforce
 Change: 189189
 ServerID: perforce.ravenbrook.com
 2016-02-15 15:30:08 +00:00
Richard Brooksby
b2bc211404 Adding mps_root_create_table_tagged as an interface to more generally tagged roots. 
Deprecating the less general mps_root_create_table_masked.

Copied from Perforce
 Change: 189131
 ServerID: perforce.ravenbrook.com
 2016-02-11 20:28:39 +00:00
Gareth Rees
08873c6c3a Rename mps_root_create_reg_masked to mps_root_create_stack, and deprecate mps_root_create_reg, as suggested in review by nb <https://info.ravenbrook.com/mail/2015/09/09/16-18-10/0/>. 
Copied from Perforce
 Change: 188312
 ServerID: perforce.ravenbrook.com
 2015-09-14 20:16:14 +01:00
Gareth Rees
5af0bf9f01 Correct type for rootcreateregmasked. 
Copied from Perforce
 Change: 188233
 ServerID: perforce.ravenbrook.com
 2015-09-04 12:28:49 +01:00
Gareth Rees
ea6250898a New function mps_root_create_reg_masked applies a mask and pattern test to all words in registers and on the stack when scanning them. this supports tagged references in these locations. 
Consistently use the type "Word *" for pointers into the stack or into saved registers.
Remove TraceScanAreaTagged.

Copied from Perforce
 Change: 188231
 ServerID: perforce.ravenbrook.com
 2015-09-04 12:22:03 +01:00
Gareth Rees
b7cf9d1ba9 Fix broken link to design/thread-safety 
Copied from Perforce
 Change: 188158
 ServerID: perforce.ravenbrook.com
 2015-08-21 11:20:20 +01:00
Gareth Rees
b964293c36 The stack pointer passed to mps_root_create_reg must be word-aligned. 
Copied from Perforce
 Change: 187946
 ServerID: perforce.ravenbrook.com
 2015-06-15 22:11:48 +01:00
Gareth Rees
497aaf7141 The "remember" parameters to arenaexposeremember is a boolean, not an integer. 
Copied from Perforce
 Change: 187467
 ServerID: perforce.ravenbrook.com
 2014-11-06 12:03:18 +00:00
Gareth Rees
2d27354d20 Use pointeradd to express the condition in mps_commit -- it expands to the same code, and better conveys the intention. 
Copied from Perforce
 Change: 187242
 ServerID: perforce.ravenbrook.com
 2014-10-13 17:36:44 +01:00
Gareth Rees
e3f6b44cc2 Don't use avert unless the arena lock is held (it's not thread-safe in all varieties). add design explaining this. 
Copied from Perforce
 Change: 187238
 ServerID: perforce.ravenbrook.com
 2014-10-13 14:36:15 +01:00
Gareth Rees
2d0f425428 Ensure that code of the form if (condition) statement; is split over two lines, so that it is possible to set a breakpoint on the statement in a debugger. 
This change was agreed in 1997 (see <https://info.ravenbrook.com/project/mps/mail/1997/08/19/13-44/0.txt>), so it's about time it was implemented.

Copied from Perforce
 Change: 187071
 ServerID: perforce.ravenbrook.com
 2014-09-27 22:57:02 +01:00
Gareth Rees
39e8b866cf Rename mps_class_t to mps_pool_class_t for clarity. 
Retain a typedef for mps_class_t for backwards compatibility.

Copied from Perforce
 Change: 187065
 ServerID: perforce.ravenbrook.com
 2014-09-27 13:37:38 +01:00
Gareth Rees
16ccef5e2d New public functions mps_pool_total_size and mps_pool_free_size. 
Old (undocumented) functions mps_{mv,mvff,mvt}_size and mps_{mv,mvff,mvt}_free_size are now macros for the new public functions.
New pool methods PoolTotalSize and PoolFreeSize, with implementations for public pool classes except SNC.
Coverage of the new functions in apss and mpmss for the manual pool classes, and in finaltest for the automatic pool classes.

Copied from Perforce
 Change: 186118
 ServerID: perforce.ravenbrook.com
 2014-05-15 17:01:59 +01:00
Gareth Rees
3a627e6bbb The mps_args_add_field and mps_args_done now check that the number of arguments is in bounds. 
Copied from Perforce
 Change: 185938
 ServerID: perforce.ravenbrook.com
 2014-05-02 11:34:38 +01:00
Gareth Rees
4c655eba6a Fix rash build on os x by adding the unused attribute to functions declared static that are not called in the rash variety. 
Copied from Perforce
 Change: 185915
 ServerID: perforce.ravenbrook.com
 2014-05-01 12:18:00 +01:00
Gareth Rees
bd0e9da9ce All prottramp implementations are now the same, so there is no need for separate implementations. 
Copied from Perforce
 Change: 185901
 ServerID: perforce.ravenbrook.com
 2014-04-30 16:29:42 +01:00
Gareth Rees
bcea6812fc Improve control over checking: 
1. Where Type is a pointer type with a signature, replace CHECKL(TypeCheck(val)) with CHECKD(Type, val).
2. Where Type is a pointer type with no signature, replace CHECKL(TypeCheck(val)) with CHECKD_NOSIG(Type, val).
3. Where Type is a pointer type with a signature, but the structure is not visible at point of checking, replace CHECKL(TypeCheck(val)) with CHECKD_NOSIG(Type, val). Reference <design/check/#.hidden-type>
4. Make BTCheck extern and use it where possible.
5. Replace AVER(TypeCheck(val)) with AVERT(Type, val).

Copied from Perforce
 Change: 185263
 ServerID: perforce.ravenbrook.com
 2014-04-06 22:51:05 +01:00
Gareth Rees
f4050a073e Remove unneeded headers. 
Copied from Perforce
 Change: 185248
 ServerID: perforce.ravenbrook.com
 2014-04-06 15:53:54 +01:00
Gareth Rees
c94be13bdf Improved support for pelles c: 
* Refactor nmake files so that a compiler-specific makefile is included; move Microsoft Visual C-specific options to mv.nmk.
* Add nmake files for Pelles (w3i3pc.nmk and pc.nmk).
* Rename spw3i3mv.c to spw3i3.c and spw3i6mv.c to spw3i6.c since these are also used by Pelles C.
* Make reasonable changes to the source code to avoid warnings from Pelles C:
** check results of function calls;
** avoid useless return values;
** undef max before defining it;
** ensure printf formats are checkable;
** move notreached() assertions to the end of blocks;
** suppress warnings in cases where the code shouldn't be changed ("Unreachable code", "Inline assembly code is not portable", "Structured Exception Handling is not portable").

Copied from Perforce
 Change: 184977
 ServerID: perforce.ravenbrook.com
 2014-03-24 18:23:29 +00:00
Gareth Rees
32d10cd02a Make mps_args_done obsolete. 
Copied from Perforce
 Change: 184543
 ServerID: perforce.ravenbrook.com
 2014-02-26 12:47:27 +00:00
Richard Brooksby
ba1a4f78cb Declaring result codes using a relational macro, so that tests can print more meaningful output, and to eliminate redundant code. 
Copied from Perforce
 Change: 184382
 ServerID: perforce.ravenbrook.com
 2014-02-19 11:55:43 +00:00
Gareth Rees
09d0dfc481 Document the intention behind mps_ld_isstale rather than the implementation: it captures the intention of testing whether a particular dependency is stale (even though the implementation in fact tests whether any dependency is stale). add new function mps_ls_isstale_any for expressing the intention of testing whether any dependencey is stale. the two functions have the same implementation at present, but the separation gives us the freedom to return a more precise result from mps_ld_isstale in future. 
Copied from Perforce
 Change: 182816
 ServerID: perforce.ravenbrook.com
 2013-06-20 16:25:08 +01:00
Gareth Rees
dbdf90119d Move the poolhasrange test to pool.c so that all frees (including internal ones) get the check. 
Copied from Perforce
 Change: 182783
 ServerID: perforce.ravenbrook.com
 2013-06-17 17:52:25 +01:00
Richard Brooksby
ac1e57c0ac Merging branch/2013-05-17/emergency with major rework of mvt, mvff, and cbs. 
Some parts of this are still ragged, and would not normally pass review, but this is a massive improvement to the existing code.

Copied from Perforce
 Change: 182614
 ServerID: perforce.ravenbrook.com
 2013-06-08 10:57:57 +01:00
Gareth Rees
c44b1e0e31 Check that all addresses in the freed range belong to the pool, not just the base of the range. 
Copied from Perforce
 Change: 182602
 ServerID: perforce.ravenbrook.com
 2013-06-07 13:20:20 +01:00
Richard Brooksby
e181376dd0 Merging branch/2013-05-01/keyword-arguments to pick up keyword arguments for object formats. 
Copied from Perforce
 Change: 182562
 ServerID: perforce.ravenbrook.com
 2013-06-06 12:55:04 +01:00
Gareth Rees
fa63d63b23 New public function mps_fmt_create_k creates an object format using the keyword argument interface. 
Deprecate the format variant structures (mps_fmt_A_s, mps_fmt_B_s, mps_fmt_auto_header_s, mps_fmt_fixed_s) and the old interface (mps_fmt_create_A, mps_fmt_create_B, mps_fmt_create_auto_header, mps_fmt_create_fixed).

Copied from Perforce
 Change: 182277
 ServerID: perforce.ravenbrook.com
 2013-05-28 16:10:08 +01:00
Gareth Rees
61743c36b4 On platform lii6gc, the mps needs a bunch of symbols which are not defined if the -ansi option is given to gcc. these can be enabled by defining features like _gnu_source, but all headers share a common set of features (via <feature.h>) and so all sources in the same compilation unit must turn on the same set of features. make sure this happens by turning on the features in config.h (not mpstd.h). 
Remove <string.h> from mpsi.h (not needed).

Copied from Perforce
 Change: 182124
 ServerID: perforce.ravenbrook.com
 2013-05-23 19:35:47 +01:00
Gareth Rees
a7c70df226 Ensure the emergency branch compiles and runs on lii6gc: 
No need for <string.h> in mpsi.c (this defines a function "index" on Linux).
Need more headers in range.c so that it will compile on its own.
Need UNUSED() declarations for some variables in cbstest.c.

Copied from Perforce
 Change: 182113
 ServerID: perforce.ravenbrook.com
 2013-05-23 13:42:08 +01:00
Richard Brooksby
d28c3acbea Quietly eliminating varargs to mps_alloc. they were never documented. 
Copied from Perforce
 Change: 181843
 ServerID: perforce.ravenbrook.com
 2013-05-16 03:07:50 +01:00
Gareth Rees
025845b4a7 Rename mps_arena_create_args to mps_arena_create_k to match the documentation, and for consistency with mps_pool_create_k and mps_ap_create_k. 
Copied from Perforce
 Change: 181722
 ServerID: perforce.ravenbrook.com
 2013-05-11 19:17:06 +01:00
Richard Brooksby
a9ed62e39a Converting varags on buffer and ap creation into keyword argument lists. 
Copied from Perforce
 Change: 181680
 ServerID: perforce.ravenbrook.com
 2013-05-09 18:25:53 +01:00