aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/common/CMakeLists.txt7
-rw-r--r--src/common/stack_trace.cpp120
-rw-r--r--src/common/stack_trace.h43
-rw-r--r--src/crypto/slow-hash.c7
-rw-r--r--src/daemon/main.cpp2
-rw-r--r--src/p2p/connection_basic.cpp4
6 files changed, 177 insertions, 6 deletions
diff --git a/src/common/CMakeLists.txt b/src/common/CMakeLists.txt
index 2289704e5..9afbe4b82 100644
--- a/src/common/CMakeLists.txt
+++ b/src/common/CMakeLists.txt
@@ -31,7 +31,8 @@ set(common_sources
command_line.cpp
dns_utils.cpp
util.cpp
- i18n.cpp)
+ i18n.cpp
+ stack_trace.cpp)
set(common_headers)
@@ -48,7 +49,8 @@ set(common_private_headers
unordered_containers_boost_serialization.h
util.h
varint.h
- i18n.h)
+ i18n.h
+ stack_trace.h)
bitmonero_private_headers(common
${common_private_headers})
@@ -60,6 +62,7 @@ target_link_libraries(common
LINK_PRIVATE
crypto
${UNBOUND_LIBRARY}
+ ${LIBUNWIND_LIBRARIES}
${Boost_DATE_TIME_LIBRARY}
${Boost_FILESYSTEM_LIBRARY}
${Boost_SYSTEM_LIBRARY}
diff --git a/src/common/stack_trace.cpp b/src/common/stack_trace.cpp
new file mode 100644
index 000000000..1a65ca656
--- /dev/null
+++ b/src/common/stack_trace.cpp
@@ -0,0 +1,120 @@
+// Copyright (c) 2016, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+// conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+// of conditions and the following disclaimer in the documentation and/or other
+// materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+// used to endorse or promote products derived from this software without specific
+// prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "common/stack_trace.h"
+#include "misc_log_ex.h"
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#include <cxxabi.h>
+#include <dlfcn.h>
+
+// from http://stackoverflow.com/questions/11665829/how-can-i-print-stack-trace-for-caught-exceptions-in-c-code-injection-in-c
+#ifdef STATICLIB
+#define CXA_THROW __wrap___cxa_throw
+extern "C" void __real___cxa_throw(void *ex, void *info, void (*dest)(void*));
+#else
+#define CXA_THROW __cxa_throw
+#endif
+
+extern "C" void CXA_THROW(void *ex, void *info, void (*dest)(void*))
+{
+
+ int status;
+ char *dsym = abi::__cxa_demangle(((const std::type_info*)info)->name(), NULL, NULL, &status);
+ tools::log_stack_trace((std::string("Exception: ")+((!status && dsym) ? dsym : (const char*)info)).c_str());
+ free(dsym);
+
+#ifdef STATICLIB
+ __real___cxa_throw(ex, info, dest);
+#else
+ static void (*const rethrow)(void*, void*, void(*)(void*)) __attribute__((noreturn)) = (void(*)(void*, void*, void(*)(void*)))dlsym(RTLD_NEXT, "__cxa_throw");
+ rethrow(ex, info, dest);
+#endif
+}
+
+namespace
+{
+ std::string stack_trace_log;
+}
+
+namespace tools
+{
+
+void set_stack_trace_log(const std::string &log)
+{
+ stack_trace_log = log;
+}
+
+void log_stack_trace(const char *msg)
+{
+#ifdef HAVE_LIBUNWIND
+ unw_context_t ctx;
+ unw_cursor_t cur;
+ unw_word_t ip, off;
+ unsigned level;
+ char sym[512], *dsym;
+ int status;
+ const char *log = stack_trace_log.empty() ? NULL : stack_trace_log.c_str();
+
+ if (msg)
+ LOG_PRINT2(log, msg, LOG_LEVEL_0);
+ LOG_PRINT2(log, "Unwinded call stack:", LOG_LEVEL_0);
+ if (unw_getcontext(&ctx) < 0) {
+ LOG_PRINT2(log, "Failed to create unwind context", LOG_LEVEL_0);
+ return;
+ }
+ if (unw_init_local(&cur, &ctx) < 0) {
+ LOG_PRINT2(log, "Failed to find the first unwind frame", LOG_LEVEL_0);
+ return;
+ }
+ for (level = 1; level < 999; ++level) { // 999 for safety
+ int ret = unw_step(&cur);
+ if (ret < 0) {
+ LOG_PRINT2(log, "Failed to find the next frame", LOG_LEVEL_0);
+ return;
+ }
+ if (ret == 0)
+ break;
+ if (unw_get_reg(&cur, UNW_REG_IP, &ip) < 0) {
+ LOG_PRINT2(log, " " << std::setw(4) << level, LOG_LEVEL_0);
+ continue;
+ }
+ if (unw_get_proc_name(&cur, sym, sizeof(sym), &off) < 0) {
+ LOG_PRINT2(log, " " << std::setw(4) << level << std::setbase(16) << std::setw(20) << "0x" << ip, LOG_LEVEL_0);
+ continue;
+ }
+ dsym = abi::__cxa_demangle(sym, NULL, NULL, &status);
+ LOG_PRINT2(log, " " << std::setw(4) << level << std::setbase(16) << std::setw(20) << "0x" << ip << " " << (!status && dsym ? dsym : sym) << " + " << "0x" << off, LOG_LEVEL_0);
+ free(dsym);
+ }
+#else
+#warning libunwind disabled, no stack traces
+#endif
+}
+
+} // namespace tools
diff --git a/src/common/stack_trace.h b/src/common/stack_trace.h
new file mode 100644
index 000000000..25eec9fb3
--- /dev/null
+++ b/src/common/stack_trace.h
@@ -0,0 +1,43 @@
+// Copyright (c) 2016, The Monero Project
+//
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+//
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+// conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+// of conditions and the following disclaimer in the documentation and/or other
+// materials provided with the distribution.
+//
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+// used to endorse or promote products derived from this software without specific
+// prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#ifndef MONERO_EXCEPTION_H
+#define MONERO_EXCEPTION_H
+
+#include <stdexcept>
+#include <string>
+
+namespace tools
+{
+
+void set_stack_trace_log(const std::string &log);
+void log_stack_trace(const char *msg);
+
+} // namespace tools
+
+#endif
diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c
index ee7e0ebe8..8a1807657 100644
--- a/src/crypto/slow-hash.c
+++ b/src/crypto/slow-hash.c
@@ -679,7 +679,8 @@ void slow_hash_free_state(void)
#include "aesb.c"
-/* The asm corresponds to this C code
+#ifndef ARM_MUL_IMPL_ASM
+/* The asm corresponds to this C code */
#define SHORT uint32_t
#define LONG uint64_t
@@ -710,7 +711,8 @@ void mul(const uint8_t *ca, const uint8_t *cb, uint8_t *cres) {
res[3] = t.tmp[2];
res[0] = t.tmp[6];
res[1] = t.tmp[7];
-} */
+}
+#else // ARM_MUL_IMPL_ASM (TODO: this fails hash-slow test with GCC 6.1.1)
/* Can work as inline, but actually runs slower. Keep it separate */
#define mul(a, b, c) cn_mul128(a, b, c)
@@ -745,6 +747,7 @@ __asm__ __volatile__(
: [A]"r"(aa[1]), [a]"r"(aa[0]), [B]"r"(bb[1]), [b]"r"(bb[0]), [r]"r"(r)
: "cc", "memory");
}
+#endif // ARM_MUL_IMPL_ASM
STATIC INLINE void sum_half_blocks(uint8_t* a, const uint8_t* b)
{
diff --git a/src/daemon/main.cpp b/src/daemon/main.cpp
index bfd829dea..2e2f8936c 100644
--- a/src/daemon/main.cpp
+++ b/src/daemon/main.cpp
@@ -31,6 +31,7 @@
#include "common/command_line.h"
#include "common/scoped_message_writer.h"
#include "common/util.h"
+#include "common/stack_trace.h"
#include "cryptonote_core/cryptonote_core.h"
#include "cryptonote_core/miner.h"
#include "daemon/command_server.h"
@@ -259,6 +260,7 @@ int main(int argc, char const * argv[])
, log_file_path.filename().string().c_str()
, log_file_path.parent_path().string().c_str()
);
+ tools::set_stack_trace_log(log_file_path.filename().string());
}
if (command_line::has_arg(vm, daemon_args::arg_max_concurrency))
diff --git a/src/p2p/connection_basic.cpp b/src/p2p/connection_basic.cpp
index 22c5ef772..981a02882 100644
--- a/src/p2p/connection_basic.cpp
+++ b/src/p2p/connection_basic.cpp
@@ -161,7 +161,7 @@ connection_basic::connection_basic(boost::asio::io_service& io_service, std::ato
mI->m_peer_number = sock_number.fetch_add(1); // use, and increase the generated number
string remote_addr_str = "?";
- try { remote_addr_str = socket_.remote_endpoint().address().to_string(); } catch(...){} ;
+ try { boost::system::error_code e; remote_addr_str = socket_.remote_endpoint(e).address().to_string(); } catch(...){} ;
_note("Spawned connection p2p#"<<mI->m_peer_number<<" to " << remote_addr_str << " currently we have sockets count:" << m_ref_sock_count);
//boost::filesystem::create_directories("log/dr-monero/net/");
@@ -170,7 +170,7 @@ connection_basic::connection_basic(boost::asio::io_service& io_service, std::ato
connection_basic::~connection_basic() noexcept(false) {
string remote_addr_str = "?";
m_ref_sock_count--;
- try { remote_addr_str = socket_.remote_endpoint().address().to_string(); } catch(...){} ;
+ try { boost::system::error_code e; remote_addr_str = socket_.remote_endpoint(e).address().to_string(); } catch(...){} ;
_note("Destructing connection p2p#"<<mI->m_peer_number << " to " << remote_addr_str);
}