Commit 63843c26 authored by Jeff Dike's avatar Jeff Dike Committed by Linus Torvalds

uml: dump core on panic

Dump core after a panic.  This will provide better debugging information than
is currently available.
Signed-off-by: default avatarJeff Dike <jdike@linux.intel.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 990c5587
......@@ -279,6 +279,7 @@ extern int raw(int fd);
extern void setup_machinename(char *machine_out);
extern void setup_hostinfo(char *buf, int len);
extern int setjmp_wrapper(void (*proc)(void *, void *), ...);
extern void os_dump_core(void);
/* time.c */
#define BILLION (1000 * 1000 * 1000)
......
......@@ -474,7 +474,7 @@ static int panic_exit(struct notifier_block *self, unsigned long unused1,
show_regs(&(current->thread.regs));
bust_spinlocks(0);
uml_exitcode = 1;
machine_halt();
os_dump_core();
return 0;
}
......
......@@ -119,3 +119,9 @@ int setjmp_wrapper(void (*proc)(void *, void *), ...)
va_end(args);
return n;
}
void os_dump_core(void)
{
signal(SIGSEGV, SIG_DFL);
abort();
}
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