8000 libnix guru on AOS3.1 · Issue #97 · bebbo/libnix · GitHub
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agreppin opened this issue Mar 15, 2025 · 3 comments
Open

libnix guru on AOS3.1 #97

agreppin opened this issue Mar 15, 2025 · 3 comments
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close pending no feedback... invalid This doesn't seem right

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@agreppin
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I'm trying to update the rsync-2.5.5 port found on Aminet.
I started with a build with ADE/gcc-2.9... + ixemul-48, with partial success.

I'm now trying using amiga-gcc, with the following results when running just rsync -h:

  • in Amiberry works fine
  • A3000 OS3.1 -> GURU 8000004
  • A3000 ClassibWB_68k -> GURU 8000004
  • A3000 OS3.2 works fine (3x the same machine with Kick3.1)
  • V4SA OS3.2 -> GURU 8000000A/B

compiling with those flags:

m68k-amigaos-gcc -O2 -mcpu=68000 -mcrt=nix20 -DHAVE_CONFIG_H -Wall -W -I../popt -lm -o rsync rsync.o ... -lsocket

https://github.com/agreppin/amiga-rsync
@bebbo bebbo added the invalid This doesn't seem right label Mar 16, 2025
@bebbo
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bebbo commented Mar 16, 2025

That is far too imprecise.

@bebbo bebbo added the close pending no feedback... label Mar 16, 2025
@agreppin
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agreppin commented Mar 16, 2025 •
edited
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Looking at the problem with a debugger now, I can say it's not a problem with libnix per se.
I think the is a problem with the relocations in _INIT_LIST. When not ok, the address of __initlibraries points in the middle of another functi 83F8 on ...

How can I get some help to solve this problem ?

Edit 1:
hum, the relocation offset is ok, but the code at that location is not ___initlibraries

@agreppin
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agreppin commented Apr 1, 2025

here is a minimal example code to reproduce the bug:

#include <sys/select.h>

int main(int ac, char **av)
{
	if (ac == 777)
		return select(0, NULL, NULL, NULL, NULL);
	return 0;
}

__initsocket triggers calls to putc before __initstdio is called,
resulting in a whole lot of enforcer hits

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