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| author | Jan Beulich <jbeulich@novell.com> | 2006-03-24 03:16:19 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-24 07:33:25 -0800 |
| commit | 604bf5a216e7f2d97cdf62614ca1281921531040 (patch) | |
| tree | 3510302f5ff0ae04940eb79b67cffe6dee561908 /lib/Kconfig.debug | |
| parent | ab7efcc97ebc92e03c0474dfd38f9c7b84b84115 (diff) | |
| download | linux-604bf5a216e7f2d97cdf62614ca1281921531040.tar.gz | |
[PATCH] CONFIG_UNWIND_INFO
As a foundation for reliable stack unwinding, this adds a config option (available to all architectures except IA64 and those where the module loader might have problems with the resulting relocations) to enable the generation of frame unwind information. Signed-off-by: Jan Beulich <jbeulich@novell.com> Cc: Miles Bader <uclinux-v850@lsi.nec.co.jp> Cc: "Luck, Tony" <tony.luck@intel.com> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Kyle McMartin <kyle@mcmartin.ca> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Paul Mundt <lethal@linux-sh.org>, Cc: Andi Kleen <ak@muc.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index a314e663d517..f2618e1c2b93 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -195,6 +195,17 @@ config FRAME_POINTER some architectures or if you use external debuggers. If you don't debug the kernel, you can say N. +config UNWIND_INFO + bool "Compile the kernel with frame unwind information" + depends on !IA64 + depends on !MODULES || !(MIPS || PARISC || PPC || SUPERH || SPARC64 || V850) + default DEBUG_KERNEL + help + If you say Y here the resulting kernel image will be slightly larger + but not slower, and it will give very useful debugging information. + If you don't debug the kernel, you can say N, but we may not be able + to solve problems without frame unwind information or frame pointers. + config FORCED_INLINING bool "Force gcc to inline functions marked 'inline'" depends on DEBUG_KERNEL |