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| author | Jim Keniston <jkenisto@us.ibm.com> | 2008-05-29 17:13:38 -0700 |
|---|---|---|
| committer | Jim Keniston <jkenisto@us.ibm.com> | 2008-05-29 17:13:38 -0700 |
| commit | af26b140348ba9989c63f36bb553862a0f75ffeb (patch) | |
| tree | f0285387a59482c498a80377a7537216c45db2f4 /tapset/ppc64 | |
| parent | 8437928b8d07b6b77fc5f886b6900eb9cfd4a0d0 (diff) | |
| download | systemtap-steved-af26b140348ba9989c63f36bb553862a0f75ffeb.tar.gz systemtap-steved-af26b140348ba9989c63f36bb553862a0f75ffeb.tar.xz systemtap-steved-af26b140348ba9989c63f36bb553862a0f75ffeb.zip | |
Fix PR 6582: verify CONTEXT->regs in [u_]register()
Diffstat (limited to 'tapset/ppc64')
| -rw-r--r-- | tapset/ppc64/registers.stp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/tapset/ppc64/registers.stp b/tapset/ppc64/registers.stp index f317916b..ea520892 100644 --- a/tapset/ppc64/registers.stp +++ b/tapset/ppc64/registers.stp @@ -75,6 +75,10 @@ function _stp_sign_extend32:long (value:long) { } function _stp_register:long (name:string, sign_extend:long) { + if (!registers_valid()) { + error("cannot access CPU registers in this context") + return 0 + } if (!_stp_regs_registered) _stp_register_regs() offset = _reg_offsets[name] |