f284ac2b48
vm: fix foreign segfaults and callstack overflows
2011-10-27 21:18:18 -07:00
dca0fd3487
vm: Revert extra canary page before callstack
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This reverts commit 7d5c8d6990385b94569116a23163d7e75ae21f49. We pretty much can't avoid unwinding frames without some more drastic redesign.
2011-10-27 21:14:50 -07:00
c3f007ce0a
vm: allocate an extra canary page before callstack
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This will let us safely unguard the callstack overflow guard page as a grace page so the callstack overflow handler can do its business without discarding frames.
2011-10-27 21:14:49 -07:00
b0b0905460
vm: add factorbug command to throw exception
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Also rename "q" to "c" because it "c"ontinues, remove the useless "im" command, and rename the less useful "t" to "trim" so we can use "t" to mean "throw"
2011-10-27 21:14:49 -07:00
a374c2da05
vm: sketchy signal dispatch from leaf procs
2011-10-27 21:14:49 -07:00
dc42365007
vm: fep on SIGINT or SIGQUIT instead of exception
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It's not robust currently to raise an exception because a lot of our code that isn't already written with exceptions in mind breaks. Also, a signal is likely to be received by an FFI callback installed on the IO multiplexer, which will cause Factor to die since the callback cannot handle the exception. We need a more robust solution to dealing with SIGINT.
Also lay some groundwork for counting profile samples and reporting non-interrupting asynchronous signals.
2011-10-27 21:14:49 -07:00
1dc31d133b
vm: clean up signal handler dispatch
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Remove the weird and broken functions fix_callstack_top and scrub_return_address. Instead, simply decrement the SP and store the PC from the front end of the signal handler so that the back end can return back into the original context normally. Currently aborts for leaf procedure frames pending a more robust solution.
2011-10-27 21:14:48 -07:00
3726f61c70
vm: fatal_error if VM-less thread gets a signal
2011-10-27 21:14:48 -07:00
d6a06cf5dc
vm: remove unguard-safepoint primitive
2011-10-27 21:14:47 -07:00
b3e5f75c9e
vm: handle async signals at safepoints on unix
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Factor now supports the new 4.0BSD feature of "signals".
2011-10-27 21:14:46 -07:00
e8b1a06dad
vm: a stack underflow inside a primitive could leave a data root in an uninitialized state; if allocating the thrown underflow error triggered a GC, the GC would visit a garbage pointer
2010-09-17 19:46:57 -07:00
d74817cedf
vm: Remove signal_callstack_top nonsense
2010-09-02 22:57:17 -05:00
1818bcb780
Fix three problems discovered by running math.floats.env tests in a loop:
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- Crash if allocating error triggers a GC from a signal/SEH handler
- Crash if GC runs with floating point traps enabled on Windows
- Floating point traps didn't prettyprint properly
2010-09-02 22:57:14 -05:00
b23aac1beb
compiler.cfg: open-code parameter boxing and unboxing for certain C types
2010-07-19 10:25:13 -04:00
c7142e4281
threads: use context-switching primitives
2010-03-29 20:40:17 -04:00
8ab0d12e8d
vm: callstack errors were flipped
2010-03-29 01:53:30 -04:00
b5f7e91bdc
vm: report callstack overflow
2010-03-27 07:45:11 -04:00
11ddbc03a4
vm: signal handling cleanup
2010-03-27 07:33:28 -04:00
69bb81dab8
vm: clean up TLS usage
2010-03-27 03:44:40 -04:00
560c119cd2
vm: actually use context callstacks when running code
2010-03-26 22:44:43 -04:00
942f6e0943
Update Win64 support
2010-01-25 15:39:34 +13:00
36d2ac8921
vm: move c_to_factor, lazy_jit_compile_impl, throw_impl, set_callstack assembly routines into non-optimizing compiler for x86-64
2010-01-06 15:47:36 +13:00
63edd20a55
vm: eliminating register variables work in progress. Works on x86-32 with non-optimizing compiler
2009-12-19 10:59:56 +13:00
ed3ab1335e
vm: minor fixes after code review
2009-11-03 04:56:58 -06:00
6c2c87758a
vm: rename gc_root to data_root, add code_root to fix a problem where code blocks would move underneath the PIC compiler if PIC compiler allocated enough
2009-11-02 18:10:34 -06:00
810e309e0c
vm: rename userenv to special_objects
2009-10-23 00:33:53 -05:00
3394309659
Merge branch 'master' into new_gc
2009-10-22 05:40:57 -05:00
432d4f79e9
give better error message for windows exceptions, and don't lop off the top end of the exception code when the vm throws the error
2009-10-21 23:37:51 -05:00
40351d40be
vm: use iostreams instead of printf for debug messages, clean up a few things
2009-10-21 20:12:57 -05:00
236588208b
vm: rename F to false_object, and rename T to true_object
2009-10-18 20:26:21 -05:00
107c96f642
vm: code heap compaction at runtime using compact-gc primitive
2009-10-16 11:39:35 -05:00
7fef05fd76
Removed VM_PTR macros. All builds reentrant by default
2009-10-14 19:14:57 +01:00
5c774d8c84
vm: more code cleanups
2009-10-07 08:33:54 -05:00
ed1ee19ce1
vm: add a remembered set for code blocks which may reference young literals. Improves loading time
2009-10-06 04:36:34 -05:00
9b7412b8f8
Moved PRIMITIVE and PRIMITIVE_FORWARDs to primitives.[ch]pp
2009-09-27 19:42:18 +01:00
6b7717bf37
forwarding functions replaced with PRIMITIVE_FORWARD() macro
2009-09-25 20:43:01 +01:00
83b0769eef
renamed factorvm to factor_vm
2009-09-24 08:16:52 +01:00
e566656e46
removed a bunch of superflous blank lines
2009-09-24 08:02:14 +01:00
e3ac531fdb
renamed vmprim_ to primitive_
2009-09-24 08:02:13 +01:00
e8d1612e8e
Split data out into separate vm-data struct
2009-09-16 08:22:16 +01:00
b07550620f
Dev checkpoint
2009-09-16 08:20:51 +01:00
3a3154797c
fixed stupid signal handler bug
2009-09-16 08:20:50 +01:00
3345922330
quick test vocab for mt stuff
2009-09-16 08:20:50 +01:00
784b8d16ae
moved utility functions and fatal_error out of vm struct since doesn't need state
2009-09-16 08:20:10 +01:00
9cac5e8aa9
added lookup_vm and removed last usage of vm from windows code
2009-09-16 08:20:09 +01:00
20ef4200fb
removed some error vm-> functions
2009-09-16 08:17:27 +01:00
465f06ebc2
throw_impl now forwards the vm ptr
2009-09-16 08:16:30 +01:00
d3b5321b6e
removed some global functions from errors.cpp
2009-09-16 08:16:29 +01:00
10901e7c37
moved errors.cpp functions to vm
2009-09-16 08:16:18 +01:00
fb43ae2daf
save the FP status out of the signal context and use it as part of the fp trap factor exception. clear the FP status before continuing after an exception
2009-09-13 23:39:12 -05:00
Joe Groff
Slava Pestov
Slava Pestov
Slava Pestov
Phil Dawes