From e0e9281e471adb9bf226b0372f4330dad1277ebc Mon Sep 17 00:00:00 2001 From: Jim Blandy Date: Fri, 17 May 2002 18:02:20 +0000 Subject: [PATCH] * NEWS: Note addition of macro support. --- gdb/ChangeLog | 2 ++ gdb/NEWS | 22 ++++++++++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 1b95736..d4a95e0 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,7 @@ 2002-05-17 Jim Blandy + * NEWS: Note addition of macro support. + Expand preprocessor macros in C expressions. * c-lang.h: #include "macroexp.h", for macro_lookup_ftype. (scan_macro_expansion, scanning_macro_expansion, diff --git a/gdb/NEWS b/gdb/NEWS index 468158f..191c8c9 100644 --- a/gdb/NEWS +++ b/gdb/NEWS @@ -3,6 +3,28 @@ *** Changes since GDB 5.2: +* GDB now supports C/C++ preprocessor macros. + +GDB now expands preprocessor macro invocations in C/C++ expressions, +and provides various commands for showing macro definitions and how +they expand. + +Most compilers don't include information about macros in the debugging +information by default. In GCC 3.1, for example, you need to compile +your program with the options `-gdwarf-2 -g3'. If the macro +information is present in the executable, GDB will read it. + +Here are the new commands for working with macros: + +** macro expand EXPRESSION + +Expand any macro invocations in expression, and show the result. + +** show macro MACRO-NAME + +Show the definition of the macro named MACRO-NAME, and where it was +defined. + * Multi-arched targets. NEC V850 v850-*-* -- 2.7.4