Stefan Reinauer (stefan.reinauer@coreboot.org) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1132
-gerrit
commit 74287ab10266bef71fd21ced6e5857ef6ce16182 Author: Stefan Reinauer reinauer@chromium.org Date: Thu Jun 21 17:21:08 2012 -0700
Teach romcc about attribute((unused))
This makes it easier to use the same code on romcc and gcc. Specifying attribute((unused)) on romcc does nothing.
Change-Id: If9a6900cad12900e499c4b8c91586511eb801987 Signed-off-by: Stefan Reinauer reinauer@google.com --- util/romcc/romcc.c | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/util/romcc/romcc.c b/util/romcc/romcc.c index 1a939fb..b0f6198 100644 --- a/util/romcc/romcc.c +++ b/util/romcc/romcc.c @@ -1084,6 +1084,7 @@ struct compile_state { struct hash_entry *i_default; struct hash_entry *i_return; struct hash_entry *i_noreturn; + struct hash_entry *i_unused; /* Additional hash entries for predefined macros */ struct hash_entry *i_defined; struct hash_entry *i___VA_ARGS__; @@ -12752,6 +12753,9 @@ static unsigned int attrib(struct compile_state *state, unsigned int attributes) else if (ident == state->i_noreturn) { // attribute((noreturn)) does nothing (yet?) } + else if (ident == state->i_unused) { + // attribute((unused)) does nothing (yet?) + } else { error(state, 0, "Unknown attribute:%s", ident->name); } @@ -24988,6 +24992,7 @@ static void compile(const char *filename, state.i_noinline = lookup(&state, "noinline", 8); state.i_always_inline = lookup(&state, "always_inline", 13); state.i_noreturn = lookup(&state, "noreturn", 8); + state.i_unused = lookup(&state, "unused", 8);
/* Process the command line macros */ process_cmdline_macros(&state);