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[commit/Ada] Add handling of new non-anonymous task body suffix


The GNAT encoding got changed recently to add this suffix, in order
to avoid the confusion between anonymous task bodies vs task bodies
for non-anonymous tasks.  This was done not for GDB, but for another
tool that uses that information to do some code inspection. Anonymous
task bodies still have a TKB suffix, so we still need to support that.

This patch just adds support for "TB" suffixes.

Tested on x86_64-linux. Checked in.

-- 
Joel
gdb/
    * ada-lang.c (ada_decode): Add handling of "TB" suffixes for
    task bodies.
---
 gdb/ada-lang.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c
index 3c9ab77..5dc4ca1 100644
--- a/gdb/ada-lang.c
+++ b/gdb/ada-lang.c
@@ -949,6 +949,13 @@ ada_decode (const char *encoded)
   if (len0 > 3 && strncmp (encoded + len0 - 3, "TKB", 3) == 0)
     len0 -= 3;
 
+  /* Remove any trailing TB suffix.  The TB suffix is slightly different
+     from the TKB suffix because it is used for non-anonymous task
+     bodies.  */
+
+  if (len0 > 2 && strncmp (encoded + len0 - 2, "TB", 2) == 0)
+    len0 -= 2;
+
   /* Remove trailing "B" suffixes.  */
   /* FIXME: brobecker/2006-04-19: Not sure what this are used for...  */
 
-- 
1.6.0.4


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