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| author | Nicolas Pitre <nico@cam.org> | 2007-12-03 15:27:56 -0500 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-01-26 15:25:17 +0000 |
| commit | 785d3cd286f0bf67d1bf692559b9ae5de12678f5 (patch) | |
| tree | d533f0ab4792b1df11a0f862ec7246bb4455869c /include/asm-arm/traps.h | |
| parent | d30a0c8bf99f0e6a7d8c57bd4524039585ffbced (diff) | |
| download | blackbird-op-linux-785d3cd286f0bf67d1bf692559b9ae5de12678f5.tar.gz blackbird-op-linux-785d3cd286f0bf67d1bf692559b9ae5de12678f5.zip | |
ARM kprobes: prevent some functions involved with kprobes from being probed
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Diffstat (limited to 'include/asm-arm/traps.h')
| -rw-r--r-- | include/asm-arm/traps.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/asm-arm/traps.h b/include/asm-arm/traps.h index d4f34dc83eb0..f1541afcf85c 100644 --- a/include/asm-arm/traps.h +++ b/include/asm-arm/traps.h @@ -15,4 +15,13 @@ struct undef_hook { void register_undef_hook(struct undef_hook *hook); void unregister_undef_hook(struct undef_hook *hook); +static inline int in_exception_text(unsigned long ptr) +{ + extern char __exception_text_start[]; + extern char __exception_text_end[]; + + return ptr >= (unsigned long)&__exception_text_start && + ptr < (unsigned long)&__exception_text_end; +} + #endif |
