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author | Ian Lepore <ian@FreeBSD.org> | 2020-01-09 22:51:37 +0000 |
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committer | Ian Lepore <ian@FreeBSD.org> | 2020-01-09 22:51:37 +0000 |
commit | 8bfc473c0e62b34f3c9a5887f054e1e10e550e96 (patch) | |
tree | 8a6cd8a0fcc1f7cf49b421fad0e422066a675415 /sys/cddl/dev | |
parent | 20698d1531626524769ef62af5b4549366d7b05a (diff) | |
download | src-8bfc473c0e62b34f3c9a5887f054e1e10e550e96.tar.gz src-8bfc473c0e62b34f3c9a5887f054e1e10e550e96.zip |
Remove scary-looking printf output that happens when you kldload dtrace on
arm. Replace it with a comment block explaining why the function is empty
on 32-bit arm.
Notes
Notes:
svn path=/head/; revision=356574
Diffstat (limited to 'sys/cddl/dev')
-rw-r--r-- | sys/cddl/dev/dtrace/arm/dtrace_subr.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sys/cddl/dev/dtrace/arm/dtrace_subr.c b/sys/cddl/dev/dtrace/arm/dtrace_subr.c index e2833131fcb8..be999e3a07a9 100644 --- a/sys/cddl/dev/dtrace/arm/dtrace_subr.c +++ b/sys/cddl/dev/dtrace/arm/dtrace_subr.c @@ -123,7 +123,18 @@ dtrace_invop_remove(int (*func)(uintptr_t, struct trapframe *, uintptr_t)) void dtrace_toxic_ranges(void (*func)(uintptr_t base, uintptr_t limit)) { - printf("IMPLEMENT ME: dtrace_toxic_ranges\n"); + + /* + * There are no ranges to exclude that are common to all 32-bit arm + * platforms. This function only needs to exclude ranges "... in + * which it is impossible to recover from such a load after it has been + * attempted." -- i.e., accessing within the range causes some sort + * fault in the system which is not handled by the normal arm + * exception-handling mechanisms. If systems exist where that is the + * case, a method to handle this functionality would have to be added to + * the platform_if interface so that those systems could provide their + * specific toxic range(s). + */ } void |