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| author | Alan Modra <amodra@gmail.com> | 2010-08-18 05:56:41 +0000 |
|---|---|---|
| committer | Alan Modra <amodra@gmail.com> | 2010-08-18 05:56:41 +0000 |
| commit | d1f52f54d5ddf44dcb214ebfddca5d6b549eb7f7 (patch) | |
| tree | b37e95c7ac406388137c7eff15598c6b1e892304 | |
| parent | 2f06b48590e404c068914bb30199874e5d74bd72 (diff) | |
| download | gdb-d1f52f54d5ddf44dcb214ebfddca5d6b549eb7f7.zip gdb-d1f52f54d5ddf44dcb214ebfddca5d6b549eb7f7.tar.gz gdb-d1f52f54d5ddf44dcb214ebfddca5d6b549eb7f7.tar.bz2 | |
* macro.c (sub_actual): Add back ampersand suffix when no
substitution.
(macro_expand_body): Correct comment.
| -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 db7bf3a..2777273 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 3e3ffb1..e392883 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); } } |