Re: [PATCH v4 00/10] linux-user: Detect and report host crashes

[Helge Deller]

On 9/9/23 21:12, Richard Henderson wrote:
> On 8/22/23 22:16, Richard Henderson wrote:
> > More signal cleanups.  Mostly tested by temporarily adding an
> > abort, divide by zero, undefined instruction, null dereference,
> > within the implementation of a guest syscall to induce an error.

Applied on top of git head, linking fails when builing the *static* qemu-user 
binary:

/usr/bin/ld: 
/usr/lib/gcc/x86_64-redhat-linux/13/../../../../lib64/libc.a(abort.o): in 
function `abort':
(.text.unlikely+0x0): multiple definition of `abort'; 
libqemu-aarch64-linux-user.fa.p/linux-user_signal.c.o:/srv/_build/../../home/cvs/qemu/qemu/linux-user/signal.c:723:
 first defined here

Helge


> > Helge Deller (1):
> >    linux-user: Detect and report host crashes
> >
> > Richard Henderson (9):
> >    linux-user: Split out die_with_signal
> >    linux-user: Exit not abort in die_with_backtrace
> >    linux-user: Use die_with_signal with abort
> >    linux-user: Only register handlers for core_dump_signal by default
> >    linux-user: Map unsupported signals to an out-of-bounds value
> >    linux-user: Remap SIGPROF when CONFIG_GPROF
> >    linux-user: Simplify signal_init
> >    linux-user: Split out host_sig{segv,bus}_handler
> >    linux-user: Detect and report host SIGILL, SIGFPE, SIGTRAP
> >
> >   linux-user/signal.c | 400 ++++++++++++++++++++++++++------------------
> >   1 file changed, 240 insertions(+), 160 deletions(-)