gdb 4.17.0.8 is released.

[hjl@lucon.org (H.J. Lu)]

> At any rate, you'll find below the patches that change the signal used
> to report dead children.  The patches are against the current working
> sources on anoncvs@glibc.cygnus.com.  I haven't been able to test them

I will give it a try.

> on my home machine, but will test them tomorrow at work.  I'll also
> test what happens with gdb.  Maybe the extra signals don't break
> anything, just causing gdb to rescan the set of running threads
> unnecessarily.
> 

I have made gdb 4.17.0.8. Please check this gdb with your linuxthreads.
The precompiled static x86 binary should support both glibc 2.0 and 2.1
pthreads. But I think a bug in glibc 2.1 pthread breaks gdb.

Thanks.


H.J.
---
Hi, Folks,

This is the beta release of gdb 4.17.0.8, which is based on gdb 4.17
plus Linux/x86 hardware watchpoint/FPU, glibc 2 pthread and Linux/PPC
support. You need linux 2.0.35 or above, or 2.1.xx to get the x86 FPU
to work correctly. The Linux/x86 binary works with all recent kernels
and C libraries, and the x86 FPU support is enabled at the run-time,
depending on the kernel version.

Please report any bugs related to gdb 4.17.0.8 to hjl@lucon.org.

Problems:

Because most of system calls in glibc 2 are written in assembly without
frame pointer, gdb may not be able to debug nor get stack trace system
calls on glibc-based 2 systems. Due to this, "make check" may fail in

FAIL: gdb.base/a1-selftest.exp: backtrace through signal handler

with glibc 2.

Also, it is normal to see 

FAIL: gdb.base/interrupt.exp: continue (timeout)
FAIL: gdb.base/interrupt.exp: echo data (timeout)

if there is

XPASS: gdb.base/interrupt.exp: send_gdb end of file

Changes from gdb 4.17.0.6:

1. Support for glibc 2.1 pthread. But it doesn't work, probably due
to the CLONE_PTRACE change to pthread in glibc 2.1.
2. Add support for the older Linux C libraries.
3. Add -static support for glibc 2.1.

Changes from gdb 4.17.0.5:

1. Support for glibc 2.0 pthread. It doesn't work with glibc 2.1.
2. The Linux/PPC support.
3. The Linux/Sparc support. Untested.

Changes from gdb 4.17.0.4:

1. Fix the Intel FPU tag code handling.

Changes from gdb 4.17.0.3:

1. Fix testcases for FPU.
2. Fix x86 hardware watchpoint support.

Changes from gdb 4.17.0.2:

1. Fake FP registers on older kernels.

Changes from gdb 4.17:

1. Linux/x86 FPU support is added. You can debug floating point numbers
   just like integers.
2. x86 hardware watchpoint is extended to long long, double and long
   double.
3. More information on x86 CPU status register.
4. Fix a bug when reading beyond the memory boundary.

The file list:

1. gdb-4.17-4.17.0.8.diff.gz. Patch against gdb 4.17.
2. gdb-4.17.0.6-4.17.0.8.diff.gz. Patch against gdb 4.17.0.6.
3. gdb-4.17.0.8.x86.gz. Precompiled Linux/x86 statically linked binary.
4. gdb-4.17.0.8.spec. A RPM spec file for RedHat 5.2.

The ftp sites for my gdb patches:

ftp://ftp.yggdrasil.com/private/hjl
ftp://ftp.kernel.org/pub/linux/devel/gcc

gdb 4.17 source code is available at

ftp://ftp.gnu.org/pub/gnu

To install the precompiled binary,

# gunzp gdb-4.17.0.8.x86.gz
# cp gdb-4.17.0.8.x86 /usr/bin/gdb


H.J.
hjl@gnu.org
12/20/98