decrease padding: gcc-9.3.1 slaps 32-byte alignment on arrays willy-nilly

text	   data	    bss	    dec	    hex	filename
1021236	    559	   5052	1026847	  fab1f	busybox_old
1021120	    559	   5052	1026731	  faaab	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2020-11-30 14:58:02 +01:00
parent 965b795b87
commit 6cc4962b60
9 changed files with 14 additions and 14 deletions

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@ -194,14 +194,14 @@ struct cp_ext {
};
/* Copy lengths and extra bits for literal codes 257..285 */
/* note: see note #13 above about the 258 in this list. */
static const struct cp_ext lit = {
static const struct cp_ext lit ALIGN2 = {
/*257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 */
/*0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 */
{ 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31, 35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0 },
{ 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 0, 99, 99 } /* 99 == invalid */
};
/* Copy offsets and extra bits for distance codes 0..29 */
static const struct cp_ext dist = {
static const struct cp_ext dist ALIGN2 = {
/*0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 */
{ 1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145, 8193, 12289, 16385, 24577 },
{ 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 13, 13 }

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@ -517,7 +517,7 @@ struct BcLexKeyword {
};
#define LEX_KW_ENTRY(a, b) \
{ .name8 = a /*, .posix = b */ }
static const struct BcLexKeyword bc_lex_kws[20] = {
static const struct BcLexKeyword bc_lex_kws[20] ALIGN8 = {
LEX_KW_ENTRY("auto" , 1), // 0
LEX_KW_ENTRY("break" , 1), // 1
LEX_KW_ENTRY("continue", 0), // 2 note: this one has no terminating NUL

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@ -1052,7 +1052,7 @@ struct adap_desc {
const char *algo;
};
static const struct adap_desc adap_descs[] = {
static const struct adap_desc adap_descs[] ALIGN_PTR = {
{ .funcs = "dummy", .algo = "Dummy bus", },
{ .funcs = "isa", .algo = "ISA bus", },
{ .funcs = "i2c", .algo = "I2C adapter", },
@ -1064,7 +1064,7 @@ struct i2c_func {
const char* name;
};
static const struct i2c_func i2c_funcs_tab[] = {
static const struct i2c_func i2c_funcs_tab[] ALIGN_PTR = {
{ .value = I2C_FUNC_I2C,
.name = "I2C" },
{ .value = I2C_FUNC_SMBUS_QUICK,

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@ -247,7 +247,7 @@ struct options {
* Set up the tables. Warning! They must have corresponding order!
*/
static const struct arg1opt Arg1Opt[] = {
static const struct arg1opt Arg1Opt[] ALIGN_PTR = {
{ "SIFMETRIC", SIOCSIFMETRIC, ifreq_offsetof(ifr_metric) },
{ "SIFMTU", SIOCSIFMTU, ifreq_offsetof(ifr_mtu) },
{ "SIFTXQLEN", SIOCSIFTXQLEN, ifreq_offsetof(ifr_qlen) },
@ -277,7 +277,7 @@ static const struct arg1opt Arg1Opt[] = {
{ "SIFADDR", SIOCSIFADDR, ifreq_offsetof(ifr_addr) },
};
static const struct options OptArray[] = {
static const struct options OptArray[] ALIGN_PTR = {
{ "metric", N_ARG, ARG_METRIC, 0 },
{ "mtu", N_ARG, ARG_MTU, 0 },
{ "txqueuelen", N_ARG, ARG_TXQUEUELEN, 0 },

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@ -361,7 +361,7 @@ struct builtin {
void (*bi_dgram_fn)(int, servtab_t *) FAST_FUNC;
};
static const struct builtin builtins[] = {
static const struct builtin builtins[] ALIGN_PTR = {
#if ENABLE_FEATURE_INETD_SUPPORT_BUILTIN_ECHO
{ "echo", 1, echo_stream, echo_dg },
#endif

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@ -114,7 +114,7 @@ enum {
TCP_CLOSING, /* now a valid state */
};
static const char *const tcp_state[] = {
static const char *const tcp_state[] ALIGN_PTR = {
"",
"ESTABLISHED",
"SYN_SENT",

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@ -273,7 +273,7 @@ struct query {
static const struct {
unsigned char type;
char name[7];
} qtypes[] = {
} qtypes[] ALIGN1 = {
{ ns_t_soa, "SOA" },
{ ns_t_ns, "NS" },
{ ns_t_a, "A" },
@ -288,7 +288,7 @@ static const struct {
{ ns_t_any, "ANY" },
};
static const char *const rcodes[] = {
static const char *const rcodes[] ALIGN_PTR = {
"NOERROR", // 0
"FORMERR", // 1
"SERVFAIL", // 2

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@ -536,7 +536,7 @@ send_probe(int seq, int ttl)
static const char *
pr_type(unsigned char t)
{
static const char *const ttab[] = {
static const char *const ttab[] ALIGN_PTR = {
"Echo Reply", "ICMP 1", "ICMP 2", "Dest Unreachable",
"Source Quench", "Redirect", "ICMP 6", "ICMP 7",
"Echo", "Router Advert", "Router Solicit", "Time Exceeded",
@ -544,7 +544,7 @@ pr_type(unsigned char t)
"Info Reply", "Mask Request", "Mask Reply"
};
# if ENABLE_TRACEROUTE6
static const char *const ttab6[] = {
static const char *const ttab6[] ALIGN_PTR = {
[0] = "Error", "Dest Unreachable", "Packet Too Big", "Time Exceeded",
[4] = "Param Problem",
[8] = "Echo Request", "Echo Reply", "Membership Query", "Membership Report",

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@ -60,7 +60,7 @@ static const char bdcmd_names[] ALIGN1 =
"flushbufs" "\0"
"rereadpt" "\0"
;
static const uint32_t bdcmd_ioctl[] = {
static const uint32_t bdcmd_ioctl[] ALIGN4 = {
BLKROSET, //setro
BLKROSET, //setrw
BLKROGET, //getro