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| author | jb <jb@FreeBSD.org> | 2008-05-23 03:52:55 +0000 |
|---|---|---|
| committer | jb <jb@FreeBSD.org> | 2008-05-23 03:52:55 +0000 |
| commit | 8ca3be0a3b7da2121e336a438569a0ef91ac6f2e (patch) | |
| tree | cb5c041be9422dcb61baf4d22f9b8b01d86c1d9d /sys/conf/Makefile.amd64 | |
| parent | 858f2ace1b87f5b2bf7c897509e00098ff0e85fe (diff) | |
| download | FreeBSD-src-8ca3be0a3b7da2121e336a438569a0ef91ac6f2e.zip FreeBSD-src-8ca3be0a3b7da2121e336a438569a0ef91ac6f2e.tar.gz | |
Add a kernel option for amd64 to compile with the frame on the stack
so that the DTrace Function Bounadry Trace (fbt) provider can get
coverage of most functions in the kernel.
Diffstat (limited to 'sys/conf/Makefile.amd64')
| -rw-r--r-- | sys/conf/Makefile.amd64 | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/conf/Makefile.amd64 b/sys/conf/Makefile.amd64 index 6f35c9d3..6fe4544 100644 --- a/sys/conf/Makefile.amd64 +++ b/sys/conf/Makefile.amd64 @@ -32,8 +32,9 @@ S= ../../.. .include "$S/conf/kern.pre.mk" DDB_ENABLED!= grep DDB opt_ddb.h || true +DTR_ENABLED!= grep KDTRACE_FRAME opt_kdtrace.h || true HWPMC_ENABLED!= grep HWPMC opt_hwpmc_hooks.h || true -.if !empty(DDB_ENABLED) || !empty(HWPMC_ENABLED) +.if !empty(DDB_ENABLED) || !empty(DTR_ENABLED) || !empty(HWPMC_ENABLED) CFLAGS+= -fno-omit-frame-pointer .endif |
