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38 Commits

Author SHA1 Message Date
bakpakin 43c47ac44c Address #1037 - move stack hack after arg writing logic to avoid 
clobber.
 2022-09-20 15:37:20 -05:00
Calvin Rose f33c381043 Improve sysv64 classify algorithm. 2022-09-20 09:45:17 -05:00
Calvin Rose 3479841c77 Address #1034 - add handling for 8-16 byte structs in FFI. 2022-09-20 09:28:46 -05:00
bakpakin e326071c35 Fix void returns in windows FFI - address #1025 2022-09-15 13:51:11 -05:00
Calvin Rose 1aea5ee007 Remove stack inversion code for sysv64 FFI. 2022-08-16 12:38:44 -05:00
bakpakin 9a6d2a7b32 Fix FFI for reference return values and stack parameter passing. 2022-08-14 15:20:30 -05:00
bakpakin f8a9efa8e4 Allow binding pre-loaded symbols in windows FFI. 
Mimic the posix RTLD_NOW setting for dlopen by iterating
opened DLLs to look for symbols.
 2022-08-14 13:26:13 -05:00
Calvin Rose fb5b056f7b Address #1001 - don't process names passed to dlopen. 2022-07-19 20:04:17 -05:00
Calvin Rose e4bafc621a Remove ssize_t usage. 2022-06-20 11:09:41 -05:00
Calvin Rose 47e91bfd89 Fix docstring. 2022-06-19 18:52:37 -05:00
Calvin Rose eecc388ebd Add support for 0-element arrays in FFI. 
Allows for flexible array member construct mapping.
 2022-06-19 16:29:55 -05:00
Calvin Rose cfaae47cea Fix trailing :pack-all or :pack in struct. 2022-06-19 13:06:19 -05:00
Calvin Rose c1a0352592 Fix unset field in JanetFFIType. 2022-06-19 12:58:45 -05:00
Calvin Rose a6f93efd39 Support for array types in ffi. 2022-06-19 08:03:32 -05:00
Calvin Rose 20511cf608 Cast NULL pointer to nil in return in ffi. 2022-06-18 16:53:01 -05:00
Calvin Rose 1a1dd39367 Use __builtin_alloca if no other option. 2022-06-18 13:54:47 -05:00
Calvin Rose 589981bdcb BSD systems put alloca in the stdlib 2022-06-18 12:18:06 -05:00
Calvin Rose 89546776b2 alloca 2022-06-18 12:15:16 -05:00
Calvin Rose e37be627e0 Allow loading current process on windows as well. 2022-06-18 10:31:00 -05:00
Calvin Rose a1172529bf Fix named arguments with optional args. 2022-06-18 09:46:28 -05:00
Calvin Rose c9586d39ed Add a :none calling convention. 
The ffi module is useful even when true ffi calls
are not yet implemented. This lets the ffi be enabled
on any architecture, albeit with a degraded feature set
where calling conventions are not implemented.
 2022-06-12 10:12:45 -05:00
Calvin Rose 2e9f67f4e4 Change all "native-*" to ffi/. Move new dll loading funcs. 
native-close, raw-native and native-lookup have become
ffi/close, ffi/native, and ffi/lookup instead.

The new ffi module will be useful for any architecture even if we don't
support making calls to certain functions. We can simple add a
do-nothing calling convetion that panics on call. ffi/read and ffi/write
are useful in their own right.
 2022-06-12 10:02:02 -05:00
Calvin Rose e318170fea Begin working on windows calling convetion. 
Also remove inline assembly for making sysv64 calls.
Instead, use crafted function signatures to set all needed registers.
 2022-06-12 09:16:10 -05:00
Calvin Rose 73c4289792 Fix define check. 2022-06-11 21:50:34 -05:00
Calvin Rose ea45d7ee47 Convert to one big blob of assembly for sysv cc. 
Also begin working on win64 calling convention.
 2022-06-11 21:43:35 -05:00
Calvin Rose 458c2c6d88 Make calling convention optional for trampoline 2022-06-11 15:47:51 -05:00
Calvin Rose 0cc53a8964 Get a GTK example working. Good proof of concept. 2022-06-11 14:47:35 -05:00
Calvin Rose 0bc96304a9 Add r32 and r64 aliases for real numbers in ffi types. 2022-06-11 09:40:37 -05:00
Calvin Rose 181f0341f5 Add :pack and :pack-all keywords to allow for struct packing. 
Syntax may need some work but covers both fully packed structs
as well as packing of individual members.
 2022-06-10 18:53:22 -05:00
Calvin Rose 49bfe80191 Make sure void return types work as expected. 2022-06-10 12:33:01 -05:00
Calvin Rose a5def77bfe Add support for struct return values. 2022-06-10 12:25:08 -05:00
Calvin Rose 9ecb5b4791 Add native-read function as inverse to native-write. 2022-06-10 09:38:52 -05:00
Calvin Rose 1cc48a370a Add native-write, which will write structs to buffers. 
Useful for testing as well as useful in its own right. Begs
for an inverse, native-read which would convert byte data
to native structs.
 2022-06-10 08:46:20 -05:00
Calvin Rose f1ec8d1e11 Beginning of struct support. 
TODO:
- struct return values
- support for unions in signatures
- more testing
- complex types
- packed structs
- writing structs to buffers (useful and we have most of the machinery).
 2022-06-09 20:27:56 -05:00
Calvin Rose 9d9cb378ff Don't include alloca.h, not in MSVC. 2022-06-08 09:59:13 -05:00
Calvin Rose f92aac14aa Only enable FFI on x86-64, non-windows OSes. 2022-06-08 09:50:31 -05:00
Calvin Rose 3f27d78ab5 Add some FFI testing and more improvements to sysv abi. 
Add support for integer return and floating point return variants, as
well as arguments on the stack. Start flushing out struct arguments.

Still needed:
- structs (packed and unpacked)
- complex numbers
- long doubles
- MASM alternative for windows (you can technically use sysv abi on
  windows)
- more calling conventions.
 2022-06-08 09:44:49 -05:00
Calvin Rose 282d1ba22f Implement sys v abi on x64 partially. 2022-06-06 18:54:17 -05:00