fix libunwind coredump under arm os

deps/3rd/oceanbase.el7.aarch64.deps

@@ -7,7 +7,7 @@ repo=http://mirrors.aliyun.com/oceanbase/development-kit/el/7/aarch64/
 devdeps-gtest-1.8.0-3.el7.aarch64.rpm
 devdeps-isa-l-static-2.22.0-3.el7.aarch64.rpm
 devdeps-libcurl-static-7.29.0-3.el7.aarch64.rpm
-devdeps-libunwind-static-1.5.0-3.el7.aarch64.rpm
+devdeps-libunwind-static-1.6.2-11.el7.aarch64.rpm
 devdeps-mariadb-connector-c-3.1.12-3.el7.aarch64.rpm
 devdeps-openssl-static-1.0.1e-3.el7.aarch64.rpm
 devdeps-libaio-0.3.112-3.el7.aarch64.rpm

deps/3rd/oceanbase.el7.x86_64.deps

@@ -7,7 +7,7 @@ repo=http://mirrors.aliyun.com/oceanbase/development-kit/el/7/x86_64/
 devdeps-gtest-1.8.0-3.el7.x86_64.rpm
 devdeps-isa-l-static-2.22.0-3.el7.x86_64.rpm
 devdeps-libcurl-static-7.29.0-3.el7.x86_64.rpm
-devdeps-libunwind-static-1.5.0-3.el7.x86_64.rpm
+devdeps-libunwind-static-1.6.2-11.el7.x86_64.rpm
 devdeps-mariadb-connector-c-3.1.12-3.el7.x86_64.rpm
 devdeps-openssl-static-1.0.1e-3.el7.x86_64.rpm
 devdeps-libaio-0.3.112-3.el7.x86_64.rpm

deps/3rd/oceanbase.el8.x86_64.deps

@@ -7,7 +7,7 @@ repo=http://mirrors.aliyun.com/oceanbase/development-kit/el/8/x86_64/
 devdeps-gtest-1.8.0-3.el8.x86_64.rpm
 devdeps-isa-l-static-2.22.0-3.el8.x86_64.rpm
 devdeps-libcurl-static-7.29.0-3.el8.x86_64.rpm
-devdeps-libunwind-static-1.5.0-3.el8.x86_64.rpm
+devdeps-libunwind-static-1.6.2-11.el8.x86_64.rpm
 devdeps-mariadb-connector-c-3.1.12-3.el8.x86_64.rpm
 devdeps-openssl-static-1.0.1e-3.el8.x86_64.rpm
 devdeps-libaio-0.3.112-3.el8.x86_64.rpm

deps/oblib/src/lib/CMakeLists.txt

@@ -11,6 +11,8 @@ ob_lib_add_target(oblib_lib_charset
   charset/ob_ctype_utf8.c
   charset/ob_dtoa.c
   hash/xxhash.c
+  signal/safe_snprintf.c
+  signal/ob_libunwind.c
 )
 disable_pch(oblib_lib_charset)
 
@@ -209,7 +211,6 @@ ob_set_subtarget(oblib_lib common
   word_segment/ob_word_segment.cpp
   encode/ob_base64_encode.cpp
   signal/ob_memory_cutter.cpp
-  signal/safe_snprintf.cpp
   signal/ob_signal_struct.cpp
   signal/ob_signal_utils.cpp
   signal/ob_signal_handlers.cpp

deps/oblib/src/lib/signal/ob_libunwind.c

@@ -0,0 +1,107 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#include "lib/signal/ob_libunwind.h"
+#include "lib/signal/safe_snprintf.h"
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+
+static const int MAX_BT_ADDRESS_CNT = 100;
+static int safe_backtrace_(unw_context_t *context, char *buf, int64_t len, int64_t *pos);
+static ssize_t get_stack_trace_inplace(
+    unw_context_t *context, unw_cursor_t *cursor, uintptr_t *addresses, size_t max_addresses);
+static int8_t get_frame_info(unw_cursor_t *cursor, uintptr_t *ip);
+
+int safe_backtrace(char *buf, int64_t len, int64_t *pos)
+{
+  int ret = 0;
+  unw_context_t context;
+  if (unw_getcontext(&context) < 0) {
+    ret = -1;
+  } else {
+    ret = safe_backtrace_(&context, buf, len, pos);
+  }
+  return ret;
+}
+
+static int safe_backtrace_(unw_context_t *context, char *buf, int64_t len, int64_t *pos)
+{
+  int ret = 0;
+  unw_cursor_t cursor;
+  uintptr_t addrs[MAX_BT_ADDRESS_CNT];
+  int n = get_stack_trace_inplace(context, &cursor, addrs, sizeof(addrs) / sizeof(addrs[0]));
+  *pos = 0;
+  if (n < 0) {
+    ret = -1;
+  } else {
+    for (int i = 0; i < n; i++) {
+      int count = safe_snprintf(buf + *pos, len - *pos, "0x%lx", addrs[i]);
+      count++;  // for space
+      if (count > 0 && *pos + count < len) {
+        *pos += count;
+        buf[*pos - 1] = ' ';
+      } else {
+        // buf not enough
+        break;
+      }
+    }
+    --*pos;
+  }
+  buf[*pos] = '\0';
+  return ret;
+}
+
+ssize_t get_stack_trace_inplace(
+    unw_context_t *context, unw_cursor_t *cursor, uintptr_t *addresses, size_t max_addresses)
+{
+  if (max_addresses == 0) {
+    return 0;
+  }
+  if (unw_init_local(cursor, context) < 0) {
+    return -1;
+  }
+  if (!get_frame_info(cursor, addresses)) {
+    return -1;
+  }
+  ++addresses;
+  size_t count = 1;
+  for (; count != max_addresses; ++count, ++addresses) {
+    int r = unw_step(cursor);
+    if (r < 0) {
+      return -1;
+    }
+    if (r == 0) {
+      break;
+    }
+    if (!get_frame_info(cursor, addresses)) {
+      return -1;
+    }
+  }
+  return count;
+}
+
+int8_t get_frame_info(unw_cursor_t *cursor, uintptr_t *ip)
+{
+  unw_word_t uip;
+  if (unw_get_reg(cursor, UNW_REG_IP, &uip) < 0) {
+    return 0;
+  }
+  int r = unw_is_signal_frame(cursor);
+  if (r < 0) {
+    return 0;
+  }
+  // Use previous instruction in normal (call) frames (because the
+  // return address might not be in the same function for noreturn functions)
+  // but not in signal frames.
+  *ip = uip - (r == 0);
+  return 1;
+}

deps/oblib/src/lib/signal/ob_libunwind.h

@@ -0,0 +1,23 @@
+/**
+ * Copyright (c) 2021 OceanBase
+ * OceanBase CE is licensed under Mulan PubL v2.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
+ * You may obtain a copy of Mulan PubL v2 at:
+ *          http://license.coscl.org.cn/MulanPubL-2.0
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+ * See the Mulan PubL v2 for more details.
+ */
+
+#ifndef OCEANBASE_LIBUNWIND_BT_H_
+#define OCEANBASE_LIBUNWIND_BT_H_
+
+#include <inttypes.h>
+#include "lib/utility/ob_macro_utils.h"
+
+EXTERN_C_BEGIN
+extern int safe_backtrace(char *buf, int64_t len, int64_t *pos);
+EXTERN_C_END
+
+#endif

deps/oblib/src/lib/signal/ob_signal_handlers.cpp

@@ -16,6 +16,7 @@
 #include <sys/prctl.h>
 #include "lib/profile/ob_trace_id.h"
 #include "lib/utility/utility.h"
+#include "lib/signal/ob_libunwind.h"
 #include "lib/signal/ob_signal_struct.h"
 #include "lib/signal/ob_signal_utils.h"
 #include "lib/signal/ob_memory_cutter.h"
@@ -80,7 +81,7 @@ void coredump_cb(int sig, siginfo_t* si)
     // backtrace
     char bt[256];
     int64_t len = 0;
-    safe_backtrace(bt, sizeof(bt) - 1, len);
+    safe_backtrace(bt, sizeof(bt) - 1, &len);
     bt[len++] = '\0';
     // trace_id
     const uint64_t* trace_id = ObCurTraceId::get();

deps/oblib/src/lib/signal/ob_signal_processor.cpp

@@ -50,12 +50,10 @@ int ObSigBTOnlyProcessor::prepare()
   int64_t tid = syscall(SYS_gettid);
   char tname[16];
   prctl(PR_GET_NAME, tname);
-  unw_context_t uctx;
-  unw_getcontext(&uctx);
   int64_t count = 0;
   count = safe_snprintf(buf_ + pos_, len - pos_, "tid: %ld, tname: %s, lbt: ", tid, tname);
   pos_ += count;
-  safe_backtrace(uctx, buf_ + pos_, len - pos_, count);
+  safe_backtrace(buf_ + pos_, len - pos_, &count);
   pos_ += count;
   buf_[pos_++] = '\n';
   return ret;

deps/oblib/src/lib/signal/ob_signal_utils.cpp

@@ -18,6 +18,7 @@
 #include "lib/ob_errno.h"
 #include "lib/utility/ob_macro_utils.h"
 #include "lib/charset/ob_mysql_global.h"
+#include "lib/signal/ob_libunwind.h"
 
 namespace oceanbase {
 namespace common {
@@ -33,94 +34,6 @@ void safe_sleep_micros(int64_t usec)
   nanosleep(&ts, nullptr);
 }
 
-bool get_frame_info(unw_cursor_t* cursor, uintptr_t& ip)
-{
-  unw_word_t uip;
-  if (unw_get_reg(cursor, UNW_REG_IP, &uip) < 0) {
-    return false;
-  }
-  int r = unw_is_signal_frame(cursor);
-  if (r < 0) {
-    return false;
-  }
-  // Use previous instruction in normal (call) frames (because the
-  // return address might not be in the same function for noreturn functions)
-  // but not in signal frames.
-  ip = uip - (r == 0);
-  return true;
-}
-
-/* From facebook-folly */
-ssize_t get_stack_trace_inplace(
-    unw_context_t& context, unw_cursor_t& cursor, uintptr_t* addresses, size_t max_addresses)
-{
-  if (max_addresses == 0) {
-    return 0;
-  }
-  if (unw_init_local(&cursor, &context) < 0) {
-    return -1;
-  }
-  if (!get_frame_info(&cursor, *addresses)) {
-    return -1;
-  }
-  ++addresses;
-  size_t count = 1;
-  for (; count != max_addresses; ++count, ++addresses) {
-    int r = unw_step(&cursor);
-    if (r < 0) {
-      return -1;
-    }
-    if (r == 0) {
-      break;
-    }
-    if (!get_frame_info(&cursor, *addresses)) {
-      return -1;
-    }
-  }
-  return count;
-}
-
-int safe_backtrace(char* buf, int64_t len, int64_t& pos)
-{
-  int ret = OB_SUCCESS;
-  unw_context_t context;
-  if (unw_getcontext(&context) < 0) {
-    ret = OB_ERROR;
-  } else {
-    ret = safe_backtrace(context, buf, len, pos);
-  }
-  return ret;
-}
-
-static const int MAX_BT_ADDRESS_CNT = 100;
-
-int safe_backtrace(unw_context_t& context, char* buf, int64_t len, int64_t& pos)
-{
-  int ret = OB_SUCCESS;
-  unw_cursor_t cursor;
-  uintptr_t addrs[MAX_BT_ADDRESS_CNT];
-  int n = get_stack_trace_inplace(context, cursor, addrs, ARRAYSIZEOF(addrs));
-  pos = 0;
-  if (n < 0) {
-    ret = OB_ERROR;
-  } else {
-    for (int i = 0; i < n; i++) {
-      int count = safe_snprintf(buf + pos, len - pos, "0x%lx", addrs[i]);
-      count++;  // for space
-      if (count > 0 && pos + count < len) {
-        pos += count;
-        buf[pos - 1] = ' ';
-      } else {
-        // buf not enough
-        break;
-      }
-    }
-    pos--;
-  }
-  buf[pos] = '\0';
-  return ret;
-}
-
 __thread ObJumpBuf* g_jmp = nullptr;
 
 void crash_restore_handler(int sig, siginfo_t* s, void* p)

deps/oblib/src/lib/signal/ob_signal_utils.h

@@ -21,8 +21,6 @@
 #include <poll.h>
 #include <sys/syscall.h>
 #include <fcntl.h>
-#define UNW_LOCAL_ONLY
-#include <libunwind.h>
 #include "lib/signal/ob_signal_struct.h"
 #include "lib/signal/safe_snprintf.h"
 #include "lib/utility/ob_macro_utils.h"
@@ -33,8 +31,6 @@
 namespace oceanbase {
 namespace common {
 void safe_sleep_micros(int64_t usec);
-int safe_backtrace(unw_context_t& context, char* buf, int64_t len, int64_t& pos);
-int safe_backtrace(char* buf, int64_t len, int64_t& pos);
 
 struct DLogLevel {
   enum DLogLevelEnum { DEBUG, INFO, WARN, ERROR };

deps/oblib/src/lib/signal/safe_snprintf.c

@@ -1,35 +1,16 @@
-/*
+/**
- * twemcache - Twitter memcached.
+ * Copyright (c) 2021 OceanBase
- * Copyright (c) 2012, Twitter, Inc.
+ * OceanBase CE is licensed under Mulan PubL v2.
- * All rights reserved.
+ * You can use this software according to the terms and conditions of the Mulan PubL v2.
- *
+ * You may obtain a copy of Mulan PubL v2 at:
- * Redistribution and use in source and binary forms, with or without
+ *          http://license.coscl.org.cn/MulanPubL-2.0
- * modification, are permitted provided that the following conditions
+ * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
- * are met:
+ * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
- * * Redistributions of source code must retain the above copyright
+ * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
- *   notice, this list of conditions and the following disclaimer.
+ * See the Mulan PubL v2 for more details.
- * * 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.
- * * Neither the name of the Twitter 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 <COPYRIGHT HOLDER> 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 "lib/signal/safe_snprintf.h"
-namespace oceanbase {
-namespace common {
 static const char HEX[] = "0123456789abcdef";
 
 static char* safe_utoa(int _base, uint64_t val, char* buf)
@@ -129,14 +110,14 @@ static char* safe_itoa(int base, int64_t val, char* buf)
 
 static const char* safe_check_longlong(const char* fmt, int32_t* have_longlong)
 {
-  *have_longlong = false;
+  *have_longlong = 0;
   if (*fmt == 'l') {
     fmt++;
     if (*fmt != 'l') {
       *have_longlong = (sizeof(long) == sizeof(int64_t));
     } else {
       fmt++;
-      *have_longlong = true;
+      *have_longlong = 1;
     }
   }
   return fmt;
@@ -147,7 +128,7 @@ int _safe_vsnprintf(char* to, size_t size, const char* format, va_list ap)
   char* start = to;
   char* end = start + size - 1;
   for (; *format; ++format) {
-    int32_t have_longlong = false;
+    int32_t have_longlong = 0;
     if (*format != '%') {
       if (to == end) { /* end of buffer */
         break;
@@ -228,5 +209,3 @@ int _safe_snprintf(char* to, size_t n, const char* fmt, ...)
   va_end(args);
   return result;
 }
-}  // namespace common
-}  // namespace oceanbase

deps/oblib/src/lib/signal/safe_snprintf.h

@@ -17,11 +17,11 @@
 #include <stdint.h>
 #include <stdlib.h>
 #include <unistd.h>
-
-namespace oceanbase {
-namespace common {
 #include <sys/types.h>
 #include <stdarg.h>
+#include "lib/utility/ob_macro_utils.h"
+
+EXTERN_C_BEGIN
 
 /**
    A (very) limited version of snprintf.
@@ -41,6 +41,6 @@ int _safe_snprintf(char* to, size_t n, const char* fmt, ...);
 
 #define safe_vsnprintf(_s, _n, _f, _a) _safe_vsnprintf((char*)(_s), (size_t)(_n), _f, _a)
 
-}  // namespace common
+EXTERN_C_END
-}  // namespace oceanbase
+
 #endif  // OCEANBASE_SAFE_SNPRINTF_H_

rpm/oceanbase.deps

@@ -0,0 +1,141 @@
+[target]
+os=7
+arch=aarch64
+[deps]
+ob-lua-5.4.3-20210419222527.alios7.aarch64.rpm=current
+ob-ncurses-6.2-20200624000532.alios7.aarch64.rpm=test
+ob-elfutils-0.181-20201030224029.alios7.aarch64.rpm
+keyutils-libs-devel-1.5.8-3.3.alios7.aarch64
+libcom_err-devel-1.42.9-7.2.alios7.aarch64
+libselinux-devel-2.2.2-6.3.alios7.aarch64
+libsepol-devel-2.1.9-3.3.alios7.aarch64
+libverto-devel-0.2.5-4.3.alios7.aarch64
+pcre-devel-8.32-15.2.alios7.aarch64
+krb5-devel-1.13.2-10.2.alios7.aarch64
+babassl-ob-8.1.3-1900607.alios7.aarch64.rpm=test
+libcurl-devel-7.29.0-25.2.alios7.aarch64.rpm
+libcurl-7.29.0-25.2.alios7.aarch64.rpm
+openldap-devel-2.4.40-8.2.alios7.aarch64.rpm
+openldap-2.4.40-8.2.alios7.aarch64.rpm
+libaio-devel-0.3.109-13.2.alios7.aarch64.rpm
+t-ant-light-drcmessage-for-bt-1.0.0-20210712071538.alios7.aarch64.rpm=test
+ob-rocksdb-6.22.1-20210805175734.alios7.aarch64.rpm
+obclient-1.2.3-20210701163349.el7.alios7.aarch64.rpm
+ob-apr-1.6.5-20200217230442.alios7.aarch64.rpm=test
+ob-mxml-2.12.0-20200219103712.alios7.aarch64.rpm=test
+ob-oss-c-sdk-3.9.2-20200729160751.alios7.aarch64.rpm=test
+gcc52-5.2.0-1.alios7.aarch64.rpm
+expat-2.1.0-8.3.alios7.aarch64.rpm
+expat-devel-2.1.0-8.3.alios7.aarch64.rpm
+ali-dds-aliws-1.4.0.2-1862830.alios7.aarch64.rpm=test
+t-midware-vipserver-c-client-arm-1.0.14.3-20191125213454.alios7.aarch64.rpm
+ob-boost-1.53.0-20200218205728.alios7.aarch64.rpm=test
+zlib-devel-1.2.7-15.2.alios7.aarch64.rpm
+zlib-1.2.7-15.2.alios7.aarch64.rpm
+ob-rapidjson-1.1.0-20211015163659.alios7.aarch64.rpm
+#second level requires analysis:
+binutils-2.27-9.base.alios7.aarch64.rpm
+binutils-devel-2.27-9.base.alios7.aarch64.rpm
+isal-2.22.0-20200623101955.alios7.aarch64.rpm=test
+ob-llvm2-6.0.1-20200220185349.alios7.aarch64.rpm=test
+obs-libunwind-1.0.3-20220121155402.alios7.aarch64.rpm=test
+# compatible with el6
+ob-cmake3-3.22.1-20211230145243.alios7.aarch64=test
+ob-clang11-11.1.0-20220110114534.alios7.aarch64=test
+ob-lld11-11.0.0-20210106153627.alios7.aarch64.rpm
+ob-gtest-1.8.2-20200214192053.alios7.aarch64.rpm=test
+# ofs
+ob-ofs-devel-1.1.0-20210812171031.el7.aarch64.rpm=current
+ob-libevent-2.1.10-20200303195414.alios7.aarch64.rpm=test
+ob-jemalloc-5.2.1-20201013165401.alios7.aarch64.rpm=test
+
+
+[target]
+os=7
+arch=x86_64
+[deps]
+ob-lua-5.4.3-20210419222527.alios7.x86_64.rpm=current
+ob-ncurses-6.2-20200624000532.alios7.x86_64.rpm=test
+ob-elfutils-0.181-20201030224029.alios7.x86_64.rpm
+keyutils-libs-devel-1.5.8-3.1.alios7.x86_64
+libcom_err-devel-1.42.9-7.1.alios7.x86_64
+libselinux-devel-2.2.2-6.1.alios7.x86_64
+libsepol-devel-2.1.9-3.1.alios7.x86_64
+libverto-devel-0.2.5-4.1.alios7.x86_64
+pcre-devel-8.32-15.1.alios7.x86_64
+krb5-devel-1.13.2-10.1.alios7.x86_64
+babassl-ob-8.1.3-1900407.alios7.x86_64.rpm=test
+libcurl-devel-7.29.0-25.1.alios7.x86_64.rpm
+libcurl-7.29.0-25.1.alios7.x86_64.rpm
+openldap-devel-2.4.40-8.1.alios7.x86_64.rpm
+openldap-2.4.40-8.1.alios7.x86_64.rpm
+libaio-devel-0.3.109-13.1.alios7.x86_64.rpm
+t-ant-light-drcmessage-for-bt-1.0.0-20210712071538.alios7.x86_64.rpm=test
+ob-rocksdb-6.22.1-20210805175734.alios7.x86_64.rpm
+obclient-1.2.3-20210701163349.el7.alios7.x86_64.rpm
+ob-apr-1.6.5-20200217230442.alios7.x86_64.rpm=test
+ob-mxml-2.12.0-20200219103712.alios7.x86_64.rpm=test
+ob-oss-c-sdk-3.9.2-20200729160751.alios7.x86_64.rpm=test
+gcc52-5.2.0-445134.el7.x86_64.rpm=current
+expat-2.1.0-8.1.alios7.x86_64.rpm
+expat-devel-2.1.0-8.1.alios7.x86_64.rpm
+ali-dds-aliws-1.4.0.1-638651.el7.x86_64
+t-midware-vipserver-cpp-client-1.0.14.6-20210304162233.alios7.x86_64
+ob-boost-1.53.0-20210225114205.alios7.x86_64.rpm=test
+zlib-devel-1.2.7-16.2.alios7.x86_64.rpm
+zlib-1.2.7-16.2.alios7.x86_64.rpm
+ob-rapidjson-1.1.0-20211015163659.alios7.x86_64.rpm	
+#second level requires analysis:
+binutils-2.30-20180325160334.alios7.x86_64
+ob-binutils-devel2-2.29.1-20200218233710.alios7.x86_64.rpm=test
+isal-2.22.0-20200623101955.alios7.x86_64.rpm=test
+ob-llvm-6.0.1-5.x86_64.rpm=test
+obs-libunwind-1.0.3-20220121155402.alios7.x86_64.rpm=test
+# compatible with el6
+ob-cmake3-3.22.1-20211230145243.alios7.x86_64.rpm=test
+ob-clang11-11.1.0-20220110114534.alios7.x86_64.rpm=test
+ob-lld11-11.0.0-20210106153627.alios7.x86_64.rpm
+ob-gtest-1.8.0-1.x86_64
+# ofs
+ob-ofs-devel-1.1.0-20210812171031.el7.x86_64.rpm=current
+ob-libevent-2.1.10-20190605211727.alios7.x86_64.rpm=test
+ob-jemalloc-5.2.1-20201013165401.alios7.x86_64.rpm=test
+
+[target]
+os=6
+arch=x86_64
+[deps]
+ob-lua-5.4.3-20210419222527.alios6.x86_64.rpm=current
+ob-ncurses-6.2-20200624000532.alios6.x86_64.rpm=test
+libaio-devel-0.3.107-10.1.alios6.x86_64
+babassl-ob-8.1.3-1900407.alios6.x86_64.rpm=test
+isal-2.22.0-20200623101955.alios6.x86_64.rpm=test
+t-ant-light-drcmessage-for-bt-1.0.0-20210611161024.alios6.x86_64.rpm=test
+ob-rocksdb-6.22.1-20210805175734.alios6.x86_64.rpm
+curl-7.29.0-1.el6.x86_64
+obclient-1.2.3-20210701163349.el6.alios6.x86_64.rpm
+ob-apr-1.6.5-20200217230442.alios6.x86_64.rpm=test
+ob-mxml-2.12.0-20200219103712.alios6.x86_64.rpm=test
+ob-oss-c-sdk-3.9.2-20200729160751.alios6.x86_64.rpm=test
+gcc52-5.2.0-224921.alios6.x86_64.rpm=current
+expat-2.0.1-9.1.1.alios6.x86_64
+expat-devel-2.0.1-9.1.1.alios6.x86_64
+ali-dds-aliws-1.4.0.0-563776.alios6.x86_64
+binutils-2.29.1-20180327141620.alios6.x86_64
+ob-binutils-devel2-2.29.1-20200218233710.alios6.x86_64.rpm=test
+obs-libunwind-1.0.3-20220121155402.alios6.x86_64.rpm=test
+ob-rapidjson-1.1.0-20211015163659.alios6.x86_64.rpm
+# follows used by jit
+ob-llvm-6.0.1-3.el6.x86_64
+ob-cmake3-3.22.1-20211230145243.alios6.x86_64=test
+ob-clang11-11.1.0-20220110114534.alios6.x86_64.rpm=test
+ob-lld-7.1.0-2.el6.x86_64
+ob-gtest-1.8.1-2.el6.x86_64
+# ofs
+ob-ofs-devel-1.1.0-20210812171031.el6.x86_64.rpm=current
+ob-libevent-2.1.10-20190605211727.alios6.x86_64.rpm=test
+ob-jemalloc-5.2.1-20201013165401.alios6.x86_64.rpm=test
+
+t-midware-vipserver-cpp-client-1.0.14.6-20210304162233.alios6.x86_64
+ob-boost-1.53.0-20210225114205.alios6.x86_64.rpm=test
+#second level requires analysis: