From 012786aa1e9a28ee1e4c3a56ba9871f7b7bf7723 Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Fri, 21 Dec 2007 21:02:41 +0000
Subject: [PATCH] Update find_typedefs to handle simple 'typedef X' cases, per
request from Tom.
---
src/tools/find_typedef | 24 ++++++++++++++++++------
1 file changed, 18 insertions(+), 6 deletions(-)
diff --git a/src/tools/find_typedef b/src/tools/find_typedef
index 8371cd6abc6..1b0930ca358 100755
--- a/src/tools/find_typedef
+++ b/src/tools/find_typedef
@@ -1,6 +1,6 @@
#!/bin/sh
-# $PostgreSQL: pgsql/src/tools/find_typedef,v 1.7 2007/12/21 14:20:36 momjian Exp $
+# $PostgreSQL: pgsql/src/tools/find_typedef,v 1.8 2007/12/21 21:02:41 momjian Exp $
# This script attempts to find all typedef's in the postgres binaries
# by using 'nm' to report all typedef debugging symbols.
@@ -12,8 +12,23 @@
#
# Ignore the nm errors about a file not being a binary file.
#
-# Remember, debugging symbols are your friends.
+# It gets typedefs by reading "STABS":
#
+# http://www.informatik.uni-frankfurt.de/doc/texi/stabs_toc.html
+#
+# objdump:
+# -G, --stabs Display (in raw form) any STABS info in the file
+#
+# --stabs
+# Display the contents of the .stab, .stab.index, and
+# .stab.excl sections from an ELF file. This is only
+# useful on systems (such as Solaris 2.0) in which
+# .stab debugging symbol-table entries are carried in
+# an ELF section. In most other file formats, debug-
+# ging symbol-table entries are interleaved with
+# linkage symbols, and are visible in the --syms out-
+# put.
+
if [ "$#" -eq 0 -o ! -d "$1" ]
then echo "Usage: $0 postgres_binary_directory [...]" 1>&2
@@ -23,10 +38,7 @@ fi
for DIR
do
objdump --stabs "$DIR"/* |
- grep "LSYM" |
- awk '{print $7}' |
- grep ':t' |
- sed 's/^\([^:]*\).*$/\1/' |
+ awk ' $2 == "LSYM" && $7 ~ /:[tT]/ {sub(":.*", "", $7); print $7}' |
grep -v ' ' # some typedefs have spaces, remove them
done |
sort |
--
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