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author | Jim Blandy <jimb@codesourcery.com> | 2002-05-17 18:02:20 +0000 |
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committer | Jim Blandy <jimb@codesourcery.com> | 2002-05-17 18:02:20 +0000 |
commit | e0e9281e471adb9bf226b0372f4330dad1277ebc (patch) | |
tree | 9b450c1030fa3084dacb01ce3fa3df67cd8ecfc2 /gdb | |
parent | e2e0bcd1165b49ead57fd9e55e6797817a07c7fb (diff) | |
download | gdb-e0e9281e471adb9bf226b0372f4330dad1277ebc.zip gdb-e0e9281e471adb9bf226b0372f4330dad1277ebc.tar.gz gdb-e0e9281e471adb9bf226b0372f4330dad1277ebc.tar.bz2 |
* NEWS: Note addition of macro support.
Diffstat (limited to 'gdb')
-rw-r--r-- | gdb/ChangeLog | 2 | ||||
-rw-r--r-- | gdb/NEWS | 22 |
2 files changed, 24 insertions, 0 deletions
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 <jimb@redhat.com> + * 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, @@ -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-*-* |