Re: [Tinycc-devel] Fwd: Bug#675024: tcc: errors Symbol `mpfr_xxx' causes overflow in R_X86_64_PC32 relocation
Hi,
On 2014-04-02 21:45:54 +0200, Michael Matz wrote:
On Wed, 2 Apr 2014, Michael Matz wrote:
Another report about the current state of shared libraries produced by
tcc. Michael, I'm just copying it here because you asked. It's ok if you
don't want or can't work on this.
Reporting it here is fine, especially with reduced testcases. That was
the point :) (And yeah, I'll work on it when time and mood permits)
Actually I just fixed a similar error for gawk (libtcc1.a containing non-PIC
code), which has exactly that symptom ('abort' and _PC32 reloc overflowing).
So it's worth a new try with mob branch.
This doesn't change anything in MPFR:
ypig:...ftware/mpfr/tests ./texceptions
./texceptions: Symbol `stderr' causes overflow in R_X86_64_PC32 relocation
./texceptions: Symbol `abort' causes overflow in R_X86_64_PC32 relocation
zsh: segmentation fault (core dumped) ./texceptions
I don't know the cause of the segmentation fault. Other tests give
error messages, but they don't fail:
ypig:...ftware/mpfr/tests ./tversion
./tversion: Symbol `stderr' causes overflow in R_X86_64_PC32 relocation
./tversion: Symbol `abort' causes overflow in R_X86_64_PC32 relocation
[tversion] GMP: header 6.0.0, library 6.0.0
[tversion] MPFR tuning parameters from default
--
Vincent Lefèvre vinc...@vinc17.net - Web: https://www.vinc17.net/
100% accessible validated (X)HTML - Blog: https://www.vinc17.net/blog/
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
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Re: [Tinycc-devel] Fwd: Bug#675024: tcc: errors Symbol `mpfr_xxx' causes overflow in R_X86_64_PC32 relocation
Hi,
On Fri, 4 Apr 2014, Vincent Lefevre wrote:
Actually I just fixed a similar error for gawk (libtcc1.a containing non-PIC
code), which has exactly that symptom ('abort' and _PC32 reloc overflowing).
So it's worth a new try with mob branch.
This doesn't change anything in MPFR:
ypig:...ftware/mpfr/tests ./texceptions
./texceptions: Symbol `stderr' causes overflow in R_X86_64_PC32 relocation
./texceptions: Symbol `abort' causes overflow in R_X86_64_PC32 relocation
zsh: segmentation fault (core dumped) ./texceptions
Have you rebuilt libtcc1.a (e.g. make clean before redoing make in tcc)?
And reinstalled it? How did you configure tinycc? How did you configure
mpfr. Because I can't reproduce:
% tcc ./configure make -j8
% tcc cd /tmp/mpfr-3.1.2
% mpfr-3.1.2 CC=/matz/git/tinycc/tcc -B/matz/git/tinycc/ ./configure
...
% mpfr-3.1.2 make -j8 make check
...
[tversion] GMP: header 5.0.2, library 5.0.2
[tversion] MPFR tuning parameters from default
PASS: tversion
All 160 tests passed
(1 test was not run)
...
(The skipped test is tget_set_d64). In particular:
% mpfr-3.1.2 cd tests ./texceptions
% tests echo $?
0
% ldd ./texceptions
linux-vdso.so.1 = (0x7fffd336f000)
libm.so.6 = /lib64/libm.so.6 (0x7f36ffd28000)
libc.so.6 = /lib64/libc.so.6 (0x7f36ff9bb000)
libmpfr.so.4 = /tmp/mpfr-3.1.2/src/.libs/libmpfr.so.4
(0x7f36ff714000)
libgmp.so.10 = /usr/lib64/libgmp.so.10 (0x7f36ff496000)
/lib64/ld-linux-x86-64.so.2 (0x7f36fff7f000)
Ciao,
Michael.
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Re: [Tinycc-devel] Fwd: Bug#675024: tcc: errors Symbol `mpfr_xxx' causes overflow in R_X86_64_PC32 relocation
On 2014-04-04 20:52:13 +0200, Michael Matz wrote:
Hi,
On Fri, 4 Apr 2014, Vincent Lefevre wrote:
Actually I just fixed a similar error for gawk (libtcc1.a containing non-PIC
code), which has exactly that symptom ('abort' and _PC32 reloc overflowing).
So it's worth a new try with mob branch.
This doesn't change anything in MPFR:
ypig:...ftware/mpfr/tests ./texceptions
./texceptions: Symbol `stderr' causes overflow in R_X86_64_PC32 relocation
./texceptions: Symbol `abort' causes overflow in R_X86_64_PC32 relocation
zsh: segmentation fault (core dumped) ./texceptions
Have you rebuilt libtcc1.a (e.g. make clean before redoing make in tcc)?
I didn't do make clean (I thought dependency rules would have
rebuilt it). Problem solved after make clean and reinstall.
--
Vincent Lefèvre vinc...@vinc17.net - Web: https://www.vinc17.net/
100% accessible validated (X)HTML - Blog: https://www.vinc17.net/blog/
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
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[Tinycc-devel] Fwd: Bug#675024: tcc: errors Symbol `mpfr_xxx' causes overflow in R_X86_64_PC32 relocation
Another report about the current state of shared libraries produced by
tcc. Michael, I'm just copying it here because you asked. It's ok if you
don't want or can't work on this.
Best regards,
Thomas
Message original
Objet: Bug#675024: tcc: errors Symbol `mpfr_xxx' causes overflow in
R_X86_64_PC32 relocation
Date: 2014-04-01 07:15
De: Vincent Lefevre vinc...@vinc17.net
À: Thomas Preud'homme robo...@debian.org
Cc: 675...@bugs.debian.org
Répondre à: Vincent Lefevre vinc...@vinc17.net,
675...@bugs.debian.org
Control: tags -1 - fixed-upstream
On 2014-03-31 22:22:03 +0800, Thomas Preud'homme wrote:
Two commits were done upstream to fix this bug. The author (Michael
Matz) would appreciate some testing to see if it works correctly.
With MPFR 3.1.2 configured with ./configure CC=tcc, I still get
Symbol `...' causes overflow in R_X86_64_PC32 relocation messages,
but the tests no longer fail... except texceptions.
Actually the symbols are no longer mpfr_xxx, but libc functions, e.g.
ypig:.../mpfr-3.1.2/tests ./texceptions
./texceptions: Symbol `abort' causes overflow in R_X86_64_PC32
relocation
zsh: segmentation fault (core dumped) ./texceptions
I'm not sure whether this is related, but it seems so, because
if I configure MPFR with ./configure --disable-shared CC=tcc,
all tests pass.
I could reduce texceptions.c to:
#include mpfr-test.h
int
main (void)
{
(mpfr_clear_flags)();
return 0;
}
Then I get:
ypig:.../mpfr-3.1.2/tests ./texceptions
zsh: segmentation fault (core dumped) ./texceptions
The message has disappeared, but it still crashes.
--
Vincent Lefèvre vinc...@vinc17.net - Web: https://www.vinc17.net/
100% accessible validated (X)HTML - Blog:
https://www.vinc17.net/blog/
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)
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