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Author SHA1 Message Date
Lachlan Sneff
e362b56b07 Turns out we can just throw an exception from the signal handler 
without any fancy tricks.

This has been tested on macos, hopefully it works on linux too.
 2019-03-03 02:15:53 -08:00
Brandon Fish
2077fb448a Fix C API table/global/memory imports 2019-03-02 22:28:00 -06:00
Lachlan Sneff
9cfda6800f Try to return an error from call_protected when an exception occurs. 
Something breaks pretty drastically sometimes, not sure why.
 2019-03-02 19:08:15 -08:00
Lachlan Sneff
caf2205936 Add a signal handler for macos and linux. 
Implementation Notes:
- To avoid setjmp, longjmp, and the mess that those create, we instead set the interrupting
    context of the signal handler to return into the `throw_trap` routine. To my surprise,
    this actually works. The stack ends up getting unwound normally and the memory-oob error
    is caught by the trampoline.
 2019-03-02 17:00:05 -08:00
Lachlan Sneff
57bfa9b0a4 Remove multiple throwing functions, just use one. 2019-03-02 14:16:02 -08:00
Lachlan Sneff
9a90689b93 Add preliminary support for throwing and catching uncatchable exceptions. 
Additional info:
- WebAssembly "traps" are uncatchable, but are still caught by the trampoline caller.
 2019-03-02 12:57:35 -08:00
Lachlan Sneff
5760f6006a Start implementing exception handling by adding frame descriptor entry processing. 
- Soon, we should be able basic exceptions.
 2019-03-02 10:56:02 -08:00
Lachlan Sneff
87ddf4f855 Add personality function. 
- This is part of supporting exceptions in the future.
 2019-03-02 10:20:18 -08:00
Lachlan Sneff
a6fc06c908 Fix more compiling issues 
Specifically:
- Don't truncate the list of local parameters.
- If the default destination in a br_table instruction is a loop, don't pop any results.
 2019-03-02 10:04:44 -08:00
Lachlan Sneff
362e5aa160 Fix issue caused by dangling instruction. 
- Come on inkwell, I thought you were better than this.
 2019-03-01 20:28:27 -08:00
Lachlan Sneff
f0ac76517a Start running spectests 
Additional info:
- Execution is turned off, this is just to make sure the backend can compile the entire specsuite.
- That being said, trampolines are implemented and protected call works (just doesn't protect).
 2019-03-01 17:11:20 -08:00
Lachlan Sneff
3717c5720d Get control flow (at least according to the llvm verifier) working. 
Next up:
- Importing vm intrinsics.
 2019-03-01 15:48:43 -08:00
Syrus Akbary
0c62693163
Merge pull request #226 from calavera/remove_debug_option 
Remove debug option from run command.
 2019-03-01 14:07:33 -08:00
Syrus Akbary
a9b685742e
Merge branch 'master' into remove_debug_option 2019-03-01 13:16:47 -08:00
Mackenzie Clark
bde2022b58
fix appveyor installer and build (#224) 
* remove exception handler when function returns or throws

* revert to only reserving and not committing memory due to issues

* appveyor builds for release, caches more, only publish artifact once
 2019-03-01 13:16:32 -08:00
Syrus Akbary
eed1c3b95b
Merge pull request #218 from ryanmjacobs/fix-install_wasmer.sh-creation 
bugfix: Replace echo with printf so "\n" renders.
 2019-03-01 11:37:56 -08:00
Syrus Akbary
ba23c95c67
Merge pull request #207 from wasmerio/feature/add-c-api-module-import-descriptors 
Add C API module import descriptors
 2019-03-01 11:36:32 -08:00
Brandon Fish
adfdf4d85d Merge branch 'master' into feature/add-c-api-module-import-descriptors 2019-03-01 12:50:35 -06:00
Brandon Fish
7ed6ae3d49
Merge pull request #208 from wasmerio/feature/c-api-call-an-exported-func 
Fix C API to allow calling an exported func
 2019-03-01 12:38:13 -06:00
Brandon Fish
0792cc7018 Merge branch 'master' into feature/c-api-call-an-exported-func 2019-03-01 12:14:56 -06:00
Syrus Akbary
e5d3fef369
Merge pull request #206 from wasmerio/feature/add-c-api-module-export-descriptors 
Add C API module export descriptors
 2019-03-01 09:43:39 -08:00
losfair
2962fe25b6 Add unwinding test. 2019-03-02 01:41:44 +08:00
losfair
aa75994e2f Add memory opcodes and test. 2019-03-02 01:41:31 +08:00
Brandon Fish
b80252e165 Setup the spectests lib to use llvm-backend 2019-02-28 23:02:03 -06:00
David Calavera
ea3d5b04d4
Remove debug option from run command. 
I was looking into the code and I noticed that this option is not used.
The `debug!` macro is used across the codebase, which looks more ideal.

Signed-off-by: David Calavera <david.calavera@gmail.com>
 2019-02-28 19:16:22 -08:00
Lachlan Sneff
51c9091fc5 Start work on generating trampolines 2019-02-28 18:26:47 -08:00
Lachlan Sneff
6a20676fa9 Actually unmap the code after it's done being used 2019-02-28 17:20:18 -08:00
Lachlan Sneff
359ac5abec Connect part of the llvm backend to the runtime 2019-02-28 13:18:00 -08:00
Lachlan Sneff
d4ae5cdd40 Get function addresses from llvm-compiled code 2019-02-28 12:31:39 -08:00
losfair
e026adf33e Initial work on linear memory. 2019-02-28 23:58:02 +08:00
losfair
64142c4cb8 Reserve R15. 2019-02-28 23:22:21 +08:00
losfair
adb309fbd8 Add select test. 2019-02-28 23:12:50 +08:00
losfair
b7ca5e46ed Add Select opcode. 2019-02-28 23:12:42 +08:00
Brandon Fish
358d653b18
Merge branch 'master' into feature/add-c-api-module-export-descriptors 2019-02-27 23:21:23 -06:00
Brandon Fish
889fc3f432
Merge branch 'master' into feature/add-c-api-module-import-descriptors 2019-02-27 23:21:01 -06:00
Brandon Fish
02eac589f4 Merge branch 'master' into feature/c-api-call-an-exported-func 2019-02-27 23:19:50 -06:00
Lachlan Sneff
5d77769381 Hopefully finish the memory manager implementation for llvm RuntimeDyLd 2019-02-27 17:21:20 -08:00
Syrus
60f8f15db3 Updated version to 0.2.1 2019-02-27 17:20:49 -08:00
Mackenzie Clark
95062d524a
commit virtual memory before copying (#212) 2019-02-27 14:20:53 -08:00
Mackenzie Clark
ff5e1320da
Fix casting errors cause io issues (#222) 2019-02-27 13:54:28 -08:00
Mackenzie Clark
2a7a8c0069
newline in test-module-imports.c 2019-02-27 10:41:22 -08:00
Mackenzie Clark
c4566f0b39
Merge branch 'master' into feature/add-c-api-module-export-descriptors 2019-02-27 10:28:18 -08:00
losfair
ec9a8f0ebd Add test for if/else. 2019-02-27 23:41:04 +08:00
losfair
d50f1cc95f If/Else. 2019-02-27 23:38:45 +08:00
Syrus Akbary
c7f3666354
Merge pull request #220 from wasmerio/feature/better-debug 
Added debug build
 2019-02-26 15:42:29 -08:00
Syrus
f7197bf456 Added debug build 2019-02-26 15:39:54 -08:00
Ryan Jacobs
d5aed44671
bugfix: Replace echo with printf so "\n" renders. 
notes:
  I could have used the -e flag in echo, however other lines
  nearby use printf so I figured it would be smart to stay consistent.

  Also, I see the usage of `command printf`. Not 100% if this is
  necessary. I don't see why printf would be redefined in the shell.
  If we're doing this, then we might as well prefix every call
  to a builtin or binary with `command` _just to be safe_.
 2019-02-26 13:19:57 -08:00
Syrus Akbary
e5dc0b1bb5
Merge pull request #214 from wasmerio/fix/better-hashing 
Improved hashing algorithm
 2019-02-26 10:39:39 -08:00
Syrus Akbary
f2886db776
Merge pull request #215 from markandrus/add-nginx-license 
Add nginx LICENSE
 2019-02-26 07:34:29 -08:00
losfair
3c3c5db2e1 Native trampolines. 2019-02-26 20:56:10 +08:00