diff options
author | Paolo Bonzini <pbonzini@redhat.com> | 2015-10-12 10:02:54 +0200 |
---|---|---|
committer | Stefan Hajnoczi <stefanha@redhat.com> | 2015-10-29 17:59:26 +0000 |
commit | a201b0ff28d9fa0f965450c1ba7191eca69f9fd5 (patch) | |
tree | 50a0e4f761228f4f86ea9a728fdea19c59aa8f10 /scripts/qemugdb | |
parent | 80ab31b257ba3aaa98ce6f1e36592aa20c5366c1 (diff) | |
download | qemu-a201b0ff28d9fa0f965450c1ba7191eca69f9fd5.zip qemu-a201b0ff28d9fa0f965450c1ba7191eca69f9fd5.tar.gz qemu-a201b0ff28d9fa0f965450c1ba7191eca69f9fd5.tar.bz2 |
qemu-gdb: add $qemu_coroutine_sp and $qemu_coroutine_pc
These can be useful to manually get a stack trace of a coroutine inside
a core dump.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1444636974-19950-4-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'scripts/qemugdb')
-rw-r--r-- | scripts/qemugdb/coroutine.py | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/scripts/qemugdb/coroutine.py b/scripts/qemugdb/coroutine.py index b5c8678..ab69979 100644 --- a/scripts/qemugdb/coroutine.py +++ b/scripts/qemugdb/coroutine.py @@ -15,6 +15,8 @@ import gdb +VOID_PTR = gdb.lookup_type('void').pointer() + def get_fs_base(): '''Fetch %fs base value using arch_prctl(ARCH_GET_FS). This is pthread_self().''' @@ -101,3 +103,17 @@ class CoroutineCommand(gdb.Command): return bt_jmpbuf(coroutine_to_jmpbuf(gdb.parse_and_eval(argv[0]))) + +class CoroutineSPFunction(gdb.Function): + def __init__(self): + gdb.Function.__init__(self, 'qemu_coroutine_sp') + + def invoke(self, addr): + return get_jmpbuf_regs(coroutine_to_jmpbuf(addr))['rsp'].cast(VOID_PTR) + +class CoroutinePCFunction(gdb.Function): + def __init__(self): + gdb.Function.__init__(self, 'qemu_coroutine_pc') + + def invoke(self, addr): + return get_jmpbuf_regs(coroutine_to_jmpbuf(addr))['rip'].cast(VOID_PTR) |