1 files changed, 0 insertions, 119 deletions
diff --git a/qemu/scripts/qemugdb/coroutine.py b/qemu/scripts/qemugdb/coroutine.py
deleted file mode 100644
index ab699794a..000000000
--- a/qemu/scripts/qemugdb/coroutine.py
+++ /dev/null
@@ -1,119 +0,0 @@
-#!/usr/bin/python
-
-# GDB debugging support
-#
-# Copyright 2012 Red Hat, Inc. and/or its affiliates
-#
-# Authors:
-#  Avi Kivity <avi@redhat.com>
-#
-# This work is licensed under the terms of the GNU GPL, version 2.  See
-# the COPYING file in the top-level directory.
-#
-# Contributions after 2012-01-13 are licensed under the terms of the
-# GNU GPL, version 2 or (at your option) any later version.
-
-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().'''
-    # %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, $rsp - 120)', False, True)
-    fs_base = gdb.parse_and_eval('*(uint64_t*)($rsp - 120)')
-    gdb.execute('set *(uint64_t*)($rsp - 120) = %s' % old, False, True)
-    return fs_base
-
-def pthread_self():
-    '''Fetch pthread_self() from the glibc start_thread function.'''
-    f = gdb.newest_frame()
-    while f.name() != 'start_thread':
-        f = f.older()
-        if f is None:
-            return get_fs_base()
-
-    try:
-        return f.read_var("arg")
-    except ValueError:
-        return get_fs_base()
-
-def get_glibc_pointer_guard():
-    '''Fetch glibc pointer guard value'''
-    fs_base = pthread_self()
-    return gdb.parse_and_eval('*(uint64_t*)((uint64_t)%s + 0x30)' % fs_base)
-
-def glibc_ptr_demangle(val, pointer_guard):
-    '''Undo effect of glibc's PTR_MANGLE()'''
-    return gdb.parse_and_eval('(((uint64_t)%s >> 0x11) | ((uint64_t)%s << (64 - 0x11))) ^ (uint64_t)%s' % (val, val, pointer_guard))
-
-def get_jmpbuf_regs(jmpbuf):
-    JB_RBX  = 0
-    JB_RBP  = 1
-    JB_R12  = 2
-    JB_R13  = 3
-    JB_R14  = 4
-    JB_R15  = 5
-    JB_RSP  = 6
-    JB_PC   = 7
-
-    pointer_guard = get_glibc_pointer_guard()
-    return {'rbx': jmpbuf[JB_RBX],
-        'rbp': glibc_ptr_demangle(jmpbuf[JB_RBP], pointer_guard),
-        'rsp': glibc_ptr_demangle(jmpbuf[JB_RSP], pointer_guard),
-        'r12': jmpbuf[JB_R12],
-        'r13': jmpbuf[JB_R13],
-        'r14': jmpbuf[JB_R14],
-        'r15': jmpbuf[JB_R15],
-        'rip': glibc_ptr_demangle(jmpbuf[JB_PC], pointer_guard) }
-
-def bt_jmpbuf(jmpbuf):
-    '''Backtrace a jmpbuf'''
-    regs = get_jmpbuf_regs(jmpbuf)
-    old = dict()
-
-    for i in regs:
-        old[i] = gdb.parse_and_eval('(uint64_t)$%s' % i)
-
-    for i in regs:
-        gdb.execute('set $%s = %s' % (i, regs[i]))
-
-    gdb.execute('bt')
-
-    for i in regs:
-        gdb.execute('set $%s = %s' % (i, old[i]))
-
-def coroutine_to_jmpbuf(co):
-    coroutine_pointer = co.cast(gdb.lookup_type('CoroutineUContext').pointer())
-    return coroutine_pointer['env']['__jmpbuf']
-
-
-class CoroutineCommand(gdb.Command):
-    '''Display coroutine backtrace'''
-    def __init__(self):
-        gdb.Command.__init__(self, 'qemu coroutine', gdb.COMMAND_DATA,
-                             gdb.COMPLETE_NONE)
-
-    def invoke(self, arg, from_tty):
-        argv = gdb.string_to_argv(arg)
-        if len(argv) != 1:
-            gdb.write('usage: qemu coroutine <coroutine-pointer>\n')
-            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)