From: Jim Kingdon <jkingdon@engr.sgi.com>
Date: Wed, 17 Mar 1993 19:17:47 +0000 (+0000)
Subject: 	* xcoffread.c (MIN_TBTABSIZ): Change to 12.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=3e57da382693ac0f6d31389cd507696f9c93e0b9;p=binutils-gdb.git

	* xcoffread.c (MIN_TBTABSIZ): Change to 12.
---

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 4da4f8bfb32..58e75de4e60 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,7 @@
 Wed Mar 17 09:46:31 1993  Jim Kingdon  (kingdon@cygnus.com)
 
+	* xcoffread.c (MIN_TBTABSIZ): Change to 12.
+
 	* xcoffread.c (xcoff_symfile_read): Only read stringtab and
 	debugsec if there are a non-zero number of symbols.
 
diff --git a/gdb/xcoffread.c b/gdb/xcoffread.c
index 84be25fb196..cbc2f731280 100644
--- a/gdb/xcoffread.c
+++ b/gdb/xcoffread.c
@@ -750,9 +750,6 @@ retrieve_tracebackinfo (abfd, textsec, cs)
 {
 #define TBTABLE_BUFSIZ  2000
 
-  /* Minimum buffer size to hold a traceback table.  */
-#define	MIN_TBTABSIZ	50
-				
   static TracebackInfo tbInfo;
   struct tbtable *ptb;
 
@@ -838,11 +835,19 @@ retrieve_tracebackinfo (abfd, textsec, cs)
       /* if we don't have the whole traceback table in the buffer, re-read
          the whole thing. */
 
+      /* This is how much to read to get the traceback table.
+	 8 bytes of the traceback table are always present, plus we
+	 look at parminfo.  */
+#define	MIN_TBTABSIZ	12
+				
       if ((char*)pinsn > (buffer + bufferbytes - MIN_TBTABSIZ)) {
 
 	/* In case if we are *very* close to the end of the text section
 	   and cannot read properly from that point on, abort by returning
 	   NULL.
+
+	   This could happen if the traceback table is only 8 bytes,
+	   but we try to read 12 bytes of it.
 	   Handle this case more graciously -- FIXME */
 
 	if (!bfd_get_section_contents (