diff options
| author | Denys Vlasenko <vda.linux@googlemail.com> | 2018-02-22 12:14:55 +0100 |
|---|---|---|
| committer | Denys Vlasenko <vda.linux@googlemail.com> | 2018-02-22 12:14:55 +0100 |
| commit | 3177626033fa58fcb60e29009936f08f16e6a99c (patch) | |
| tree | 4b6d4d9f6c97dee01409e696eb1e2e71c7b482fc | |
| parent | 2709acbbda8a82ccd18abfe191dcb9dd530e4c57 (diff) | |
od: move address_fmt[] from data to globals. 8 less bytes in data section
function old new delta
od_main 2164 2179 +15
address_fmt 8 - -8
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 1/0 up/down: 15/-8) Total: 7 bytes
text data bss dec hex filename
930954 481 6852 938287 e512f busybox_old
930977 473 6852 938302 e513e busybox_unstripped
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
| -rw-r--r-- | coreutils/od_bloaty.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/coreutils/od_bloaty.c b/coreutils/od_bloaty.c index c9bb3b85f..4cae0c529 100644 --- a/coreutils/od_bloaty.c +++ b/coreutils/od_bloaty.c @@ -211,7 +211,14 @@ struct globals { bool not_first; bool prev_pair_equal; + + char address_fmt[sizeof("%0n"OFF_FMT"xc")]; } FIX_ALIASING; +/* Corresponds to 'x' above */ +#define address_base_char G.address_fmt[sizeof(G.address_fmt)-3] +/* Corresponds to 'n' above */ +#define address_pad_len_char G.address_fmt[2] + #if !ENABLE_LONG_OPTS enum { G_pseudo_offset = 0 }; #endif @@ -220,6 +227,7 @@ enum { G_pseudo_offset = 0 }; setup_common_bufsiz(); \ BUILD_BUG_ON(sizeof(G) > COMMON_BUFSIZE); \ G.bytes_per_block = 32; \ + strcpy(G.address_fmt, "%0n"OFF_FMT"xc"); \ } while (0) @@ -844,18 +852,12 @@ format_address_none(off_t address UNUSED_PARAM, char c UNUSED_PARAM) { } -static char address_fmt[] ALIGN1 = "%0n"OFF_FMT"xc"; -/* Corresponds to 'x' above */ -#define address_base_char address_fmt[sizeof(address_fmt)-3] -/* Corresponds to 'n' above */ -#define address_pad_len_char address_fmt[2] - static void format_address_std(off_t address, char c) { /* Corresponds to 'c' */ - address_fmt[sizeof(address_fmt)-2] = c; - printf(address_fmt, address); + G.address_fmt[sizeof(G.address_fmt)-2] = c; + printf(G.address_fmt, address); } #if ENABLE_LONG_OPTS |