emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

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

Browse Source 
text	   data	    bss	    dec	    hex	filename
1021988	    559	   5052	1027599	  fae0f	busybox_old
1021236	    559	   5052	1026847	  fab1f	busybox_unstripped

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-11-30 13:03:03 +01:00
parent 2fba2f5bb9
commit 965b795b87
51 changed files with 92 additions and 96 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libbb/capability.c
+1 -1
View File
@@ -17,7 +17,7 @@ extern int capget(cap_user_header_t header, const cap_user_data_t data);
// This way, libcap needs not be installed in build environment.
#include "libbb.h"
static const char *const capabilities[] = {
static const char *const capabilities[] ALIGN_PTR = {
"chown",
"dac_override",
"dac_read_search",
libbb/duration.c
+1 -1
View File
@@ -21,7 +21,7 @@
#include "libbb.h"
static const struct suffix_mult duration_suffixes[] = {
static const struct suffix_mult duration_suffixes[] ALIGN_SUFFIX = {
{ "s", 1 },
{ "m", 60 },
{ "h", 60*60 },
libbb/hash_md5_sha.c
+11 -11
View File
@@ -111,7 +111,7 @@ static void FAST_FUNC md5_process_block64(md5_ctx_t *ctx)
They are defined in RFC 1321 as
T[i] = (int)(2^32 * fabs(sin(i))), i=1..64
*/
static const uint32_t C_array[] = {
static const uint32_t C_array[] ALIGN4 = {
/* round 1 */
0xd76aa478, 0xe8c7b756, 0x242070db, 0xc1bdceee,
0xf57c0faf, 0x4787c62a, 0xa8304613, 0xfd469501,
@@ -492,7 +492,7 @@ unsigned FAST_FUNC md5_end(md5_ctx_t *ctx, void *resbuf)
static void FAST_FUNC sha1_process_block64(sha1_ctx_t *ctx)
{
static const uint32_t rconsts[] = {
static const uint32_t rconsts[] ALIGN4 = {
0x5A827999, 0x6ED9EBA1, 0x8F1BBCDC, 0xCA62C1D6
};
int i, j;
@@ -567,7 +567,7 @@ typedef uint64_t sha_K_int;
typedef uint32_t sha_K_int;
# define K(v) (uint32_t)(v >> 32)
#endif
static const sha_K_int sha_K[] = {
static const sha_K_int sha_K[] ALIGN8 = {
K(0x428a2f98d728ae22ULL), K(0x7137449123ef65cdULL),
K(0xb5c0fbcfec4d3b2fULL), K(0xe9b5dba58189dbbcULL),
K(0x3956c25bf348b538ULL), K(0x59f111f1b605d019ULL),
@@ -760,7 +760,7 @@ void FAST_FUNC sha1_begin(sha1_ctx_t *ctx)
ctx->process_block = sha1_process_block64;
}
static const uint32_t init256[] = {
static const uint32_t init256[] ALIGN4 = {
0,
0,
0x6a09e667,
@@ -773,7 +773,7 @@ static const uint32_t init256[] = {
0x5be0cd19,
};
#if NEED_SHA512
static const uint32_t init512_lo[] = {
static const uint32_t init512_lo[] ALIGN4 = {
0,
0,
0xf3bcc908,
@@ -1009,7 +1009,7 @@ static void sha3_process_block72(uint64_t *state)
#if OPTIMIZE_SHA3_FOR_32
/*
static const uint32_t IOTA_CONST_0[NROUNDS] = {
static const uint32_t IOTA_CONST_0[NROUNDS] ALIGN4 = {
0x00000001UL,
0x00000000UL,
0x00000000UL,
@@ -1038,7 +1038,7 @@ static void sha3_process_block72(uint64_t *state)
** bits are in lsb: 0101 0000 1111 0100 1111 0001
*/
uint32_t IOTA_CONST_0bits = (uint32_t)(0x0050f4f1);
static const uint32_t IOTA_CONST_1[NROUNDS] = {
static const uint32_t IOTA_CONST_1[NROUNDS] ALIGN4 = {
0x00000000UL,
0x00000089UL,
0x8000008bUL,
@@ -1174,7 +1174,7 @@ static void sha3_process_block72(uint64_t *state)
combine_halves(state);
#else
/* Native 64-bit algorithm */
static const uint16_t IOTA_CONST[NROUNDS] = {
static const uint16_t IOTA_CONST[NROUNDS] ALIGN2 = {
/* Elements should be 64-bit, but top half is always zero
* or 0x80000000. We encode 63rd bits in a separate word below.
* Same is true for 31th bits, which lets us use 16-bit table
@@ -1210,15 +1210,15 @@ static void sha3_process_block72(uint64_t *state)
/* bit for CONST[0] is in msb: 0001 0110 0011 1000 0001 1011 */
const uint32_t IOTA_CONST_bit31 = (uint32_t)(0x16381b00);
static const uint8_t ROT_CONST[24] = {
static const uint8_t ROT_CONST[24] ALIGN1 = {
1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 2, 14,
27, 41, 56, 8, 25, 43, 62, 18, 39, 61, 20, 44,
};
static const uint8_t PI_LANE[24] = {
static const uint8_t PI_LANE[24] ALIGN1 = {
10, 7, 11, 17, 18, 3, 5, 16, 8, 21, 24, 4,
15, 23, 19, 13, 12, 2, 20, 14, 22, 9, 6, 1,
};
/*static const uint8_t MOD5[10] = { 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, };*/
/*static const uint8_t MOD5[10] ALIGN1 = { 0, 1, 2, 3, 4, 0, 1, 2, 3, 4, };*/
unsigned x;
unsigned round;
libbb/mode_string.c
+1 -1
View File
@@ -27,7 +27,7 @@
#define mode_t unsigned short
#endif
static const mode_t mode_flags[] = {
static const mode_t mode_flags[] ALIGN4 = {
S_IRUSR, S_IWUSR, S_IXUSR, S_ISUID,
S_IRGRP, S_IWGRP, S_IXGRP, S_ISGID,
S_IROTH, S_IWOTH, S_IXOTH, S_ISVTX
libbb/pw_encrypt_des.c
+7 -8
View File
@@ -65,25 +65,25 @@
/* A pile of data */
static const uint8_t IP[64] = {
static const uint8_t IP[64] ALIGN1 = {
58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4,
62, 54, 46, 38, 30, 22, 14, 6, 64, 56, 48, 40, 32, 24, 16, 8,
57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3,
61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7
};
static const uint8_t key_perm[56] = {
static const uint8_t key_perm[56] ALIGN1 = {
57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18,
10, 2, 59, 51, 43, 35, 27, 19, 11, 3, 60, 52, 44, 36,
63, 55, 47, 39, 31, 23, 15, 7, 62, 54, 46, 38, 30, 22,
14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 28, 20, 12, 4
};
static const uint8_t key_shifts[16] = {
static const uint8_t key_shifts[16] ALIGN1 = {
1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1
};
static const uint8_t comp_perm[48] = {
static const uint8_t comp_perm[48] ALIGN1 = {
14, 17, 11, 24, 1, 5, 3, 28, 15, 6, 21, 10,
23, 19, 12, 4, 26, 8, 16, 7, 27, 20, 13, 2,
41, 52, 31, 37, 47, 55, 30, 40, 51, 45, 33, 48,
@@ -181,13 +181,12 @@ static const uint8_t u_sbox[8][32] = {
};
#endif
static const uint8_t pbox[32] = {
static const uint8_t pbox[32] ALIGN1 = {
16, 7, 20, 21, 29, 12, 28, 17, 1, 15, 23, 26, 5, 18, 31, 10,
2, 8, 24, 14, 32, 27, 3, 9, 19, 13, 30, 6, 22, 11, 4, 25
};
static const uint32_t bits32[32] =
{
static const uint32_t bits32[32] ALIGN4 = {
0x80000000, 0x40000000, 0x20000000, 0x10000000,
0x08000000, 0x04000000, 0x02000000, 0x01000000,
0x00800000, 0x00400000, 0x00200000, 0x00100000,
@@ -198,7 +197,7 @@ static const uint32_t bits32[32] =
0x00000008, 0x00000004, 0x00000002, 0x00000001
};
static const uint8_t bits8[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
static const uint8_t bits8[8] ALIGN1 = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 };
static int
libbb/speed_table.c
+1 -1
View File
@@ -28,7 +28,7 @@ struct speed_map {
};
/* On Linux, Bxx constants are 0..15 (up to B38400) and 0x1001..0x100f */
static const struct speed_map speeds[] = {
static const struct speed_map speeds[] ALIGN4 = {
{B0, 0},
{B50, 50},
{B75, 75},
libbb/xatonum.c
+3 -3
View File
@@ -68,14 +68,14 @@ uint16_t FAST_FUNC xatou16(const char *numstr)
return xatou_range(numstr, 0, 0xffff);
}
const struct suffix_mult bkm_suffixes[] = {
const struct suffix_mult bkm_suffixes[] ALIGN_SUFFIX = {
{ "b", 512 },
{ "k", 1024 },
{ "m", 1024*1024 },
{ "", 0 }
};
const struct suffix_mult cwbkMG_suffixes[] = {
const struct suffix_mult cwbkMG_suffixes[] ALIGN_SUFFIX = {
{ "c", 1 },
{ "w", 2 },
{ "b", 512 },
@@ -96,7 +96,7 @@ const struct suffix_mult cwbkMG_suffixes[] = {
{ "", 0 }
};
const struct suffix_mult kmg_i_suffixes[] = {
const struct suffix_mult kmg_i_suffixes[] ALIGN_SUFFIX = {
{ "KiB", 1024 },
{ "kiB", 1024 },
{ "K", 1024 },