On 11/24/07, Szabolcs Szakacsits <[EMAIL PROTECTED]> wrote:
> Alon, could you please make a simple segfaulting symver test case? Just a
> main() and the needed two functions, similar to the construct FUSE uses.
> No problem if not then I'll setup the needed environment, it will just
> take a bit more time.
Well... As it seems you need to be an expert in ELF more than uclibc.
I've invested some time in order to reproduce this... But as I have
not used .symver ever, I could not reproduce this.
I guess fuse developers will have better chance to understand what is
wrong, by simply compile busybox+fuse+ntfs-3g with uclibc and chroot
to this environment.
The major problem is not the segfault, but the following message:
fuse: unknown option `'
You can search and see many users reported this. Almost all results
from this root cause.
I tried the following, with no luck.
a.c:
---
#include <stdio.h>
#include "a.h"
void f1 (void) {
printf ("f1\n");
}
void f1_compat (void) {
printf ("f1_compat\n");
}
__asm__(".symver f1_compat,[EMAIL PROTECTED]");
---
a.h
---
void f1 (void);
---
a.version
---
A_1.0 {
};
A_1.1 {
global:
f1;
f1_compat;
local:
*;
} A_1.0;
---
b.c
---
#include "a.h"
int main (void) {
f1 ();
return 0;
}
---
Makefile
---
CC := gcc
PREFIX :=
all: b
clean:
-rm *.o *.so.* b
b: a.so.1 b.c
$(PREFIX)$(CC) -fPIC -o b b.c a.so.1
a.so.1: a.c a.h a.version
$(PREFIX)$(CC) -fPIC -o a.so.1 -shared a.c -Wl,-soname=a.so.1
-Wl,-version-number=1:1:0 -Wl,-version-script=a.version
---
Best Regards,
Alon Bar-Lev.
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