diff options
| -rw-r--r-- | gas/ChangeLog | 6 | ||||
| -rw-r--r-- | gas/macro.c | 7 |
2 files changed, 10 insertions, 3 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index db7bf3a17b..277727304c 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,9 @@ +2010-08-18 Alan Modra <amodra@gmail.com> + + * macro.c (sub_actual): Add back ampersand suffix when no + substitution. + (macro_expand_body): Correct comment. + 2010-08-17 Roland McGrath <roland@redhat.com> * config/obj-elf.c (obj_elf_parse_section_letters): Take new diff --git a/gas/macro.c b/gas/macro.c index 3e3ffb11f5..e39288355c 100644 --- a/gas/macro.c +++ b/gas/macro.c @@ -748,6 +748,8 @@ sub_actual (int start, sb *in, sb *t, struct hash_control *formal_hash, /* Doing this permits people to use & in macro bodies. */ sb_add_char (out, '&'); sb_add_sb (out, t); + if (src != start && in->ptr[src - 1] == '&') + sb_add_char (out, '&'); } else if (copyifnotthere) { @@ -788,9 +790,8 @@ macro_expand_body (sb *in, sb *out, formal_entry *formals, } else { - /* FIXME: Why do we do this? */ - /* At least in alternate mode this seems correct; without this - one can't append a literal to a parameter. */ + /* Permit macro parameter substition delineated with + an '&' prefix and optional '&' suffix. */ src = sub_actual (src + 1, in, &t, formal_hash, '&', out, 0); } } |