4 files changed, 57 insertions, 4 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 2871df124c..52bd4f1621 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -243,6 +243,7 @@ BITCOIN_CORE_H = \
   util/system.h \
   util/threadnames.h \
   util/time.h \
+  util/trace.h \
   util/translation.h \
   util/ui_change_type.h \
   util/url.h \
diff --git a/src/bitcoin-util.cpp b/src/bitcoin-util.cpp
index b702a68bdf..af07b28d3d 100644
--- a/src/bitcoin-util.cpp
+++ b/src/bitcoin-util.cpp
@@ -25,6 +25,7 @@
 #include <util/system.h>
 #include <util/translation.h>
 
+#include <atomic>
 #include <functional>
 #include <memory>
 #include <stdio.h>
@@ -181,7 +182,16 @@ static int CommandLineUtil(int argc, char* argv[])
     return nRet;
 }
 
+#ifdef WIN32
+// Export main() and ensure working ASLR on Windows.
+// Exporting a symbol will prevent the linker from stripping
+// the .reloc section from the binary, which is a requirement
+// for ASLR. This is a temporary workaround until a fixed
+// version of binutils is used for releases.
+__declspec(dllexport) int main(int argc, char* argv[])
+#else
 int main(int argc, char* argv[])
+#endif
 {
     SetupEnvironment();
 
diff --git a/src/util/trace.h b/src/util/trace.h
new file mode 100644
index 0000000000..9c92cb10e7
--- /dev/null
+++ b/src/util/trace.h
@@ -0,0 +1,45 @@
+// Copyright (c) 2020 The Bitcoin Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_UTIL_TRACE_H
+#define BITCOIN_UTIL_TRACE_H
+
+#ifdef ENABLE_TRACING
+
+#include <sys/sdt.h>
+
+#define TRACE(context, event) DTRACE_PROBE(context, event)
+#define TRACE1(context, event, a) DTRACE_PROBE1(context, event, a)
+#define TRACE2(context, event, a, b) DTRACE_PROBE2(context, event, a, b)
+#define TRACE3(context, event, a, b, c) DTRACE_PROBE3(context, event, a, b, c)
+#define TRACE4(context, event, a, b, c, d) DTRACE_PROBE4(context, event, a, b, c, d)
+#define TRACE5(context, event, a, b, c, d, e) DTRACE_PROBE5(context, event, a, b, c, d, e)
+#define TRACE6(context, event, a, b, c, d, e, f) DTRACE_PROBE6(context, event, a, b, c, d, e, f)
+#define TRACE7(context, event, a, b, c, d, e, f, g) DTRACE_PROBE7(context, event, a, b, c, d, e, f, g)
+#define TRACE8(context, event, a, b, c, d, e, f, g, h) DTRACE_PROBE8(context, event, a, b, c, d, e, f, g, h)
+#define TRACE9(context, event, a, b, c, d, e, f, g, h, i) DTRACE_PROBE9(context, event, a, b, c, d, e, f, g, h, i)
+#define TRACE10(context, event, a, b, c, d, e, f, g, h, i, j) DTRACE_PROBE10(context, event, a, b, c, d, e, f, g, h, i, j)
+#define TRACE11(context, event, a, b, c, d, e, f, g, h, i, j, k) DTRACE_PROBE11(context, event, a, b, c, d, e, f, g, h, i, j, k)
+#define TRACE12(context, event, a, b, c, d, e, f, g, h, i, j, k, l) DTRACE_PROBE12(context, event, a, b, c, d, e, f, g, h, i, j, k, l)
+
+#else
+
+#define TRACE(context, event)
+#define TRACE1(context, event, a)
+#define TRACE2(context, event, a, b)
+#define TRACE3(context, event, a, b, c)
+#define TRACE4(context, event, a, b, c, d)
+#define TRACE5(context, event, a, b, c, d, e)
+#define TRACE6(context, event, a, b, c, d, e, f)
+#define TRACE7(context, event, a, b, c, d, e, f, g)
+#define TRACE8(context, event, a, b, c, d, e, f, g, h)
+#define TRACE9(context, event, a, b, c, d, e, f, g, h, i)
+#define TRACE10(context, event, a, b, c, d, e, f, g, h, i, j)
+#define TRACE11(context, event, a, b, c, d, e, f, g, h, i, j, k)
+#define TRACE12(context, event, a, b, c, d, e, f, g, h, i, j, k, l)
+
+#endif
+
+
+#endif /* BITCOIN_UTIL_TRACE_H */
diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp
index 7705794c63..9db327c913 100644
--- a/src/wallet/rpcwallet.cpp
+++ b/src/wallet/rpcwallet.cpp
@@ -3449,10 +3449,7 @@ static RPCHelpMan bumpfee_helper(std::string method_name)
     CWallet* const pwallet = wallet.get();
 
     if (pwallet->IsWalletFlagSet(WALLET_FLAG_DISABLE_PRIVATE_KEYS) && !want_psbt) {
-        if (!pwallet->chain().rpcEnableDeprecated("bumpfee")) {
-            throw JSONRPCError(RPC_METHOD_DEPRECATED, "Using bumpfee with wallets that have private keys disabled is deprecated. Use psbtbumpfee instead or restart bitcoind with -deprecatedrpc=bumpfee. This functionality will be removed in 0.22");
-        }
-        want_psbt = true;
+        throw JSONRPCError(RPC_WALLET_ERROR, "bumpfee is not available with wallets that have private keys disabled. Use psbtbumpfee instead.");
     }
 
     RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VOBJ});