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Re: [Tinycc-devel] tcc_relocate is missing in libtcc.dll

From: Christian Jullien
Subject: Re: [Tinycc-devel] tcc_relocate is missing in libtcc.dll
Date: Sun, 12 May 2019 16:18:31 +0200



If it helps, I maintain https://sourceforge.net/projects/wintcc/

Which easily builds a tcc multi-arch standalone archive for Windows.

It bootstraps tcc from Cygwin gcc and finally generates tcc buit by tcc Windows build (i.e. a reproducible build).


It contains only a Makefile you just have to drop on win32 tcc directory.


The generated dll contains in this case tcc_relocate you were looking for.


It can also generate small zip and tar.gz you can then deploy on any Windows machine wo. C compiler.




From: Tinycc-devel [mailto:address@hidden On Behalf Of Antoni Nowinowski
Sent: Sunday, May 12, 2019 00:47
To: address@hidden
Subject: Re: [Tinycc-devel] tcc_relocate is missing in libtcc.dll



I'm sorry for my own stupidity. Both msvc and gcc implicitly generated i386 output, but I'm using x86_64 windows so the TCC_IS_NATIVE flag wasn't defined. That's why tcc_relocate wasn't exported. Sadly, I discovered this after few days of digging into the code.

Best wishes,

Antoni Nowinowski

Od: Michael Matz

Wysłano: niedziela, 12 maja, 00:25

Temat: Re: [Tinycc-devel] tcc_relocate is missing in libtcc.dll

Do: address@hidden


On Fri, 10 May 2019, Antoni Nowinowski wrote:

> I'm working on small jit project that's already worked with precompiled tcc

> downloaded from bellard.org/tcc/. To be more "professional" I compiled tcc

> from source as described in tcc-win32.txt . Resulting libtcc.dll wasn't

> exporting tcc_relocate (I used both gcc and msvc in both mob and master

> branches).

I can't say much about this as I'm not using Windows, but AFAICS

tcc_relocate isn't defined or declared different from (say)

tcc_compile_string or tcc_add_file, which I assume you're using as well.

So I would be surprised if one is exported but the other isn't.  Are you

100% sure the problem is libtcc.dll not exporting a function, and not

something like a missing declaration or the like?

> To my suprise libtcc.dll compiled by tcc contained the missing

> function but it was crashing jit project executable compiled with

> appropriate lib file. Is this expected behaviour?


> If yes, how to achieve effect similar to libtcc_test.c? Finally, why

> libtcc_test.c is gone? Thank you for your patience.

libtcc_test.c is there just fine:

% ls -l tests/libtcc_test.c

-rw-r--r-- 1 matz users 2273 Mär 18 04:20 tests/libtcc_test.c



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