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| author | markj <markj@FreeBSD.org> | 2015-09-11 03:31:22 +0000 |
|---|---|---|
| committer | markj <markj@FreeBSD.org> | 2015-09-11 03:31:22 +0000 |
| commit | b30bc0e211f2c169b84e83127d7d57de24fb688d (patch) | |
| tree | bd69e05b9aff86437d0df31f23df93b3f0537bc4 /sys/cddl | |
| parent | dfb0cc5c03efdfd24efc1469b804742fd2d9bc5d (diff) | |
| download | FreeBSD-src-b30bc0e211f2c169b84e83127d7d57de24fb688d.zip FreeBSD-src-b30bc0e211f2c169b84e83127d7d57de24fb688d.tar.gz | |
Remove the arg0 field from struct amd64_frame. Its existence was a bug,
since on amd64 the first argument to a function is generally not on the
stack.
Revert an old DTrace bug fix to some code that assumed that
sizeof(struct amd64_frame) == 16.
Reviewed by: jhb, kib
Sponsored by: EMC / Isilon Storage Division
Differential Revision: https://reviews.freebsd.org/D3255
Diffstat (limited to 'sys/cddl')
| -rw-r--r-- | sys/cddl/dev/dtrace/amd64/dtrace_isa.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/cddl/dev/dtrace/amd64/dtrace_isa.c b/sys/cddl/dev/dtrace/amd64/dtrace_isa.c index 07a1b0a..e05932d 100644 --- a/sys/cddl/dev/dtrace/amd64/dtrace_isa.c +++ b/sys/cddl/dev/dtrace/amd64/dtrace_isa.c @@ -440,7 +440,7 @@ dtrace_getarg(int arg, int aframes) } arg -= (inreg + 1); - stack = (uintptr_t *)fp + 2; + stack = (uintptr_t *)&fp[1]; load: DTRACE_CPUFLAG_SET(CPU_DTRACE_NOFAULT); |
