X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fparser-defs.h;h=7db1c77e1232057e181619a1680fdce18d1989bc;hb=84f0252a038f4c2ceb70d076f58159eaa8e3dfab;hp=ece28493752f7d1300e7ffc290b7a49657272e21;hpb=1c509ca8216de106f508b463a13ceea60ccce878;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h
index ece2849375..7db1c77e12 100644
--- a/gdb/parser-defs.h
+++ b/gdb/parser-defs.h
@@ -37,6 +37,12 @@ extern int expout_ptr;
 
 extern struct block *expression_context_block;
 
+/* If expression_context_block is non-zero, then this is the PC within
+   the block that we want to evaluate expressions at.  When debugging
+   C or C++ code, we use this to find the exact line we're at, and
+   then look up the macro definitions active at that point.  */
+CORE_ADDR expression_context_pc;
+
 /* The innermost context required by the stack and register variables
    we've encountered so far. */
 extern struct block *innermost_block;