Marcel Moolenaar e190f6efc8 Return better "error" values for UWX_BOTTOM and UWX_ABI_FRAME in ... unw_step(). Both errors denote the end of a stack trace (i.e. no prior frame), but are otherwise not error conditions. Have db_trace() return 0 when the trace ends due to one of these return codes as they are really normal termination conditions. This change especially improves the output of the "show thread" command in DDB when there are threads in fork_trampoline() and previously db_trace() would return an error, causing the show command to emit '***'.		2005-04-16 05:38:59 +00:00
..
acpica	Move the code for halting the CPU (acpi_cpu_c1) into machdep files.	2004-10-11 05:39:15 +00:00
compile
conf	Add USB Communication Device Class Ethernet driver. Originally written for	2005-03-22 14:52:40 +00:00
disasm	/* -> /*- for copyright notices, minor format tweaks as necessary	2005-01-06 22:18:23 +00:00
ia32	Use PCPU_LAZY_INC() for cnt.v_{intr,trap,syscalls} rather than atomic	2005-04-12 23:18:54 +00:00
ia64	Return better "error" values for UWX_BOTTOM and UWX_ABI_FRAME in	2005-04-16 05:38:59 +00:00
include	Divorce critical sections from spinlocks. Critical sections as denoted by	2005-04-04 21:53:56 +00:00
isa	Since we are quite unlikely to ever face another platform which	2005-02-06 13:46:39 +00:00
pci