diff options
| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2019-02-06 18:14:25 +0300 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2019-02-12 11:49:17 +0800 |
| commit | 6eaa20c8362cf8e12e023e2e05861f84cec6a438 (patch) | |
| tree | adf3cba4a7f9baa68b197c4e22ebacca49da84b8 /scripts/qemugdb | |
| parent | 6c95363d97087e665748cf4d42fafdeb6f714e53 (diff) | |
qemugdb/coroutine: fix arch_prctl has unknown return type
qemu coroutine command results in following error output:
Python Exception <class 'gdb.error'> 'arch_prctl' has unknown return
type; cast the call to its declared return type: Error occurred in
Python command: 'arch_prctl' has unknown return type; cast the call to
its declared return type
Fix it by giving it what it wants: arch_prctl return type.
Information on the topic:
https://sourceware.org/gdb/onlinedocs/gdb/Calling.html
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-id: 20190206151425.105871-1-vsementsov@virtuozzo.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/qemugdb')
| -rw-r--r-- | scripts/qemugdb/coroutine.py | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/scripts/qemugdb/coroutine.py b/scripts/qemugdb/coroutine.py index ab699794ab..81f811ac00 100644 --- a/scripts/qemugdb/coroutine.py +++ b/scripts/qemugdb/coroutine.py @@ -22,7 +22,7 @@ def get_fs_base(): pthread_self().''' # %rsp - 120 is scratch space according to the SystemV ABI old = gdb.parse_and_eval('*(uint64_t*)($rsp - 120)') - gdb.execute('call arch_prctl(0x1003, $rsp - 120)', False, True) + gdb.execute('call (int)arch_prctl(0x1003, $rsp - 120)', False, True) fs_base = gdb.parse_and_eval('*(uint64_t*)($rsp - 120)') gdb.execute('set *(uint64_t*)($rsp - 120) = %s' % old, False, True) return fs_base |