Ryan C. Gordon
cbffb2ff60
Initialize the PIB at startup.
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Otherwise, it won't be available to DLL init code when run before the
main executable starts.
Fixes Watcom C's wlink.exe crashing because it gets a NULL command line.
2016-10-17 17:00:32 -04:00
Ryan C. Gordon
8047d55bcb
Wire up loading of LX name tables. Fixes DosQueryProcAddr() with strings.
2016-10-17 15:43:08 -04:00
Ryan C. Gordon
2c2526abe1
Fixed some details of DLL loading.
2016-10-17 12:00:57 -04:00
Ryan C. Gordon
e011e5cec1
Implemented more APIs; a little further into Watcom C's wcc386.exe now...
2016-10-17 10:56:50 -04:00
Ryan C. Gordon
b2e32aeb37
Separate TIB from OS/2 stack.
2016-10-16 12:24:38 -04:00
Ryan C. Gordon
ef4d529544
Pass actual selector (without shifting) so we deinit the segment correctly.
2016-10-16 12:23:24 -04:00
Ryan C. Gordon
d8f62859c7
Library init passes the library module handle on the stack, as it should.
2016-10-16 12:21:32 -04:00
Ryan C. Gordon
af2e92fa73
Pass the exe's module handle to the OS/2 process entry point.
2016-10-15 22:10:29 -04:00
Ryan C. Gordon
6454917556
Fixed environment/command line tables passed in at OS/2 process entry.
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This worked before on EMX-based binaries, but this fix makes it also work
on binaries compiled with Watcom C.
2016-10-15 22:09:56 -04:00
Ryan C. Gordon
ea0a7618b1
Turned some error output back on.
2016-10-14 03:40:24 -04:00
Ryan C. Gordon
68aa18c5a1
Consolidate and turn off all the debug logging for now.
2016-10-14 02:51:37 -04:00
Ryan C. Gordon
0349122bd7
Bunch More Work: more APIs, subprocesses, multithreading.
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EMX's GCC compiler can now build hello.c when run from lx_loader!
2016-10-14 02:39:17 -04:00
Ryan C. Gordon
ccad3a0dbb
Hooked up the FS register and TIB support.
2016-10-08 16:34:59 -04:00
Ryan C. Gordon
b04f032caa
Fixed passing of command lines to LX program.
2016-10-06 16:37:46 -04:00
Ryan C. Gordon
95d666c01b
Add native modules to the loaded modules list.
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Otherwise we'd reload/reinit libdoscalls.so (etc) for every module!
2016-10-05 15:52:11 -04:00
Ryan C. Gordon
fae99dc048
Turn off some debug output. I'm sure I'll regret this soon. :)
2016-10-05 15:45:23 -04:00
Ryan C. Gordon
d9823705c0
Nop out the read of the FS register in EMX's syscall interface for now.
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Eventually, we'll maybe need to set the FS register to be a proper TIB pointer,
but I'm mostly hoping that everything else was well-behaved enough to always
use DosGetInfoBlocks() instead. Yeah, right.
2016-10-02 18:21:51 -04:00
Ryan C. Gordon
f681be1b1f
Reworked the native module loading code.
2016-10-02 18:18:31 -04:00
Ryan C. Gordon
ebe5f95a3e
Put a real CMake project in here.
2016-09-30 18:08:36 -04:00
Ryan C. Gordon
bee2afe62b
Bunch More Work, mostly cleanup and organization.
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Wanted to do this now before it gets out of hand.
Ideally, this can be used for a Winelib-like option eventually, too, where you
don't load OS/2 binaries at all but rather compile and link your OS/2-based
source code against this API reimplementation.
2016-09-30 15:58:48 -04:00
Ryan C. Gordon
6220544d06
Bunch More Work on getting an EMX-based "hello world" to run.
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It looks like most of the remaining work for that is filling in dozens of
OS/2 APIs that EMX uses at startup just so we can get to our single
printf() call. :)
2016-09-30 10:36:33 -04:00
Ryan C. Gordon
08eaf1f59f
Fixed buffer overflow.
2016-09-27 10:07:47 -04:00
Ryan C. Gordon
3df4fc0544
Report caller address for missing functions.
2016-09-27 10:05:08 -04:00
Ryan C. Gordon
141ff8bdcd
More fixup fixes. We're now into EMX crt0.s, calling missing doscalls APIs.
2016-09-26 15:31:54 -04:00
Ryan C. Gordon
4c09b9b6f5
Call library init/termination code.
2016-09-26 12:14:45 -04:00
Ryan C. Gordon
d3e686276b
Fixups fixes.
2016-09-26 12:13:18 -04:00
Ryan C. Gordon
41e66c9071
Some more work on getting DLLs working.
2016-09-25 14:21:31 -04:00
Ryan C. Gordon
c3d9945942
Fixup source offsets are signed values (and sometimes negative!).
2016-09-25 14:20:20 -04:00
Ryan C. Gordon
17a64c9407
Don't load modules that are marked as non-loadable.
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(Whatever that means in practice.)
2016-09-25 11:06:34 -04:00
Ryan C. Gordon
b82eabcdac
Try loading modules at random locations and see what happens.
2016-09-24 01:06:00 -04:00
Ryan C. Gordon
ce8215ff40
Realign the stack before calling _exit().
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Just in case I ever get this working on macOS. :)
2016-09-24 01:05:33 -04:00
Ryan C. Gordon
acb3c5c42e
Get exported ordinals parsed, fixup correct pages.
2016-09-23 23:55:10 -04:00
Ryan C. Gordon
1a21e64a51
Fixed typo.
2016-09-23 23:54:36 -04:00
Ryan C. Gordon
dbda4e03d0
Corrected entry ordinals in lx_dump, a few other things.
2016-09-23 00:27:50 -04:00
Ryan C. Gordon
817af8d715
Load all the object pages into memory before fixing them up.
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Otherwise, we might fixup a page that isn't loaded yet!
2016-09-22 10:46:42 -04:00
Ryan C. Gordon
443bcf2178
Huge reworking to get shared libraries (and native replacements) working.
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Not there yet, but the framework is pretty close to what I want.
2016-09-21 03:38:20 -04:00
Ryan C. Gordon
1d8ad0ce35
Extremely initial work on dealing with external modules.
2016-09-20 00:48:56 -04:00
Ryan C. Gordon
dbacb96215
Don't map resource objects.
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For one, they generally have a base address of 0x0, but also, we're probably
going to load/parse these into a hashtable somewhere in the loader
and use that for resource lookups instead of parsing LX binaries during
DosGetResource(), and that is more of a malloc() thing than an mmap() thing.
2016-09-19 23:02:21 -04:00
Ryan C. Gordon
5aff2d5b02
Fixed mmap execute flags.
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(I guess on i386, PROT_READ implies PROT_EXEC anyhow.)
2016-09-19 22:02:12 -04:00
Ryan C. Gordon
161cde892e
Initial add. Runs exactly one program.
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Run make.sh on a Linux box to see it run tests/hello.exe!
2016-09-19 19:41:11 -04:00
Ryan C. Gordon