From cd46ddb462ba4ad91555153e33b133cc3522368c Mon Sep 17 00:00:00 2001
From: Kubo Takehiro <kubo@jiubao.org>
Date: Mon, 13 Jun 2016 20:19:35 +0900
Subject: [PATCH] Make gdb commands readable.

---
 offset-extract/offset-extract.sh | 22 ++++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/offset-extract/offset-extract.sh b/offset-extract/offset-extract.sh
index 4d0b78c..23033e6 100644
--- a/offset-extract/offset-extract.sh
+++ b/offset-extract/offset-extract.sh
@@ -48,8 +48,26 @@ if [ $? = 0 ]; then
     DB=m_db
 fi
 
-echo "set logging on" > offsets.gdb
-echo 'printf "{\"'$MYVER'\",\"'$MYMD5'\", %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d, %d}", ((size_t)&((THD *)log_slow_statement)->query_id) - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->'$THREAD_ID') - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->'$SEC_CONTEXT') - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->'$COMMAND_MEMBER') - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->lex) - (size_t)log_slow_statement, (size_t)&((LEX*)log_slow_statement)->comment - (size_t)  log_slow_statement, ((size_t)&((Security_context *)log_slow_statement)->'$USER') - (size_t)log_slow_statement, ((size_t)&((Security_context *)log_slow_statement)->'$HOST') - (size_t)log_slow_statement, ((size_t)&((Security_context *)log_slow_statement)->'$IP') - (size_t)log_slow_statement, ((size_t)&((Security_context *)log_slow_statement)->'$PRIV_USER') - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->'$DB') - (size_t)log_slow_statement, ((size_t)&((THD *)log_slow_statement)->killed) - (size_t)log_slow_statement' >> offsets.gdb
+cat <<EOF > offsets.gdb
+set logging on
+define print_offset
+  printf ", %d", (size_t)&((\$arg0*)0)->\$arg1
+end
+printf "{\"$MYVER\",\"$MYMD5\""
+print_offset THD query_id
+print_offset THD $THREAD_ID
+print_offset THD $SEC_CONTEXT
+print_offset THD $COMMAND_MEMBER
+print_offset THD lex
+print_offset LEX comment
+print_offset Security_context $USER
+print_offset Security_context $HOST
+print_offset Security_context $IP
+print_offset Security_context $PRIV_USER
+print_offset THD $DB
+print_offset THD killed
+printf "}"
+EOF
 
 SYMPARAM=""
 if [ -n "$2" ]; then