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

   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>

51 files changed, 92 insertions, 96 deletions

diff --git a/archival/dpkg.c b/archival/dpkg.c
index 68a40bf6e..bf070a001 100644
--- a/archival/dpkg.c
+++ b/archival/dpkg.c
@@ -1304,7 +1304,7 @@ postrm abort-install <old_version>
 postrm abort-upgrade <old_version>
 postrm disappear <overwriter> <version>
 */
-static const char *const all_control_files[] = {
+static const char *const all_control_files[] ALIGN_PTR = {
         "preinst", "postinst", "prerm", "postrm",
         "list", "md5sums", "shlibs", "conffiles",
         "config", "templates"
diff --git a/archival/libarchive/bz/blocksort.c b/archival/libarchive/bz/blocksort.c
index 92d6d8251..062fd0f54 100644
--- a/archival/libarchive/bz/blocksort.c
+++ b/archival/libarchive/bz/blocksort.c
@@ -459,7 +459,7 @@ int mainGtU(EState* state,
  * usually small, typically <= 20.
  */
 static
-const uint32_t incs[14] = {
+const uint32_t incs[14] ALIGN4 = {
         1, 4, 13, 40, 121, 364, 1093, 3280,
         9841, 29524, 88573, 265720,
         797161, 2391484
diff --git a/archival/libarchive/data_extract_to_command.c b/archival/libarchive/data_extract_to_command.c
index 0fcabb4a9..f8b2ff8d2 100644
--- a/archival/libarchive/data_extract_to_command.c
+++ b/archival/libarchive/data_extract_to_command.c
@@ -20,7 +20,7 @@ enum {
         TAR_MAX,
 };
 
-static const char *const tar_var[] = {
+static const char *const tar_var[] ALIGN_PTR = {
         // "FILETYPE",
         "MODE",
         "FILENAME",
diff --git a/coreutils/od_bloaty.c b/coreutils/od_bloaty.c
index e9c071f3a..d5bd7bfe8 100644
--- a/coreutils/od_bloaty.c
+++ b/coreutils/od_bloaty.c
@@ -627,7 +627,7 @@ decode_one_format(const char *s_orig, const char *s, struct tspec *tspec)
                                 bytes_to_unsigned_dec_digits,
                                 bytes_to_hex_digits,
                         };
-                        static const char doux_fmtstring[][sizeof(" %%0%u%s")] = {
+                        static const char doux_fmtstring[][sizeof(" %%0%u%s")] ALIGN1 = {
                                 " %%%u%s",
                                 " %%0%u%s",
                                 " %%%u%s",
@@ -1148,7 +1148,7 @@ dump_strings(off_t address, off_t end_offset)
 static int
 parse_old_offset(const char *s, off_t *offset)
 {
-        static const struct suffix_mult Bb[] = {
+        static const struct suffix_mult Bb[] ALIGN_SUFFIX = {
                 { "B", 1024 },
                 { "b", 512 },
                 { "", 0 }
diff --git a/coreutils/split.c b/coreutils/split.c
index ecbc9d2d8..3fcfd95f2 100644
--- a/coreutils/split.c
+++ b/coreutils/split.c
@@ -44,7 +44,7 @@
 #include "common_bufsiz.h"
 
 #if ENABLE_FEATURE_SPLIT_FANCY
-static const struct suffix_mult split_suffixes[] = {
+static const struct suffix_mult split_suffixes[] ALIGN_SUFFIX = {
         { "b", 512 },
         { "k", 1024 },
         { "m", 1024*1024 },
diff --git a/coreutils/stat.c b/coreutils/stat.c
index 8a23d687b..ee5e03edd 100644
--- a/coreutils/stat.c
+++ b/coreutils/stat.c
@@ -208,7 +208,7 @@ FS_TYPE(0x62656572, "sysfs")
 static const char *human_fstype(uint32_t f_type)
 {
 # define FS_TYPE(type, name) type,
-        static const uint32_t fstype[] = {
+        static const uint32_t fstype[] ALIGN4 = {
                 FS_TYPE_LIST
         };
 # undef FS_TYPE
diff --git a/coreutils/stty.c b/coreutils/stty.c
index 40e812799..19253964c 100644
--- a/coreutils/stty.c
+++ b/coreutils/stty.c
@@ -487,7 +487,7 @@ static const char mode_name[] ALIGN1 =
 #undef MI_ENTRY
 #define MI_ENTRY(N,T,F,B,M) { T, F, M, B },
 
-static const struct mode_info mode_info[] = {
+static const struct mode_info mode_info[] ALIGN4 = {
         /* This should be verbatim cut-n-paste copy of the above MI_ENTRYs */
         MI_ENTRY("evenp",    combination, REV        | OMIT, 0,          0 )
         MI_ENTRY("parity",   combination, REV        | OMIT, 0,          0 )
@@ -905,7 +905,7 @@ static void display_window_size(int fancy)
         }
 }
 
-static const struct suffix_mult stty_suffixes[] = {
+static const struct suffix_mult stty_suffixes[] ALIGN_SUFFIX = {
         { "b",  512 },
         { "k", 1024 },
         { "B", 1024 },
diff --git a/coreutils/test.c b/coreutils/test.c
index ac7b546a3..7c6574334 100644
--- a/coreutils/test.c
+++ b/coreutils/test.c
@@ -306,7 +306,7 @@ struct operator_t {
         unsigned char op_num, op_type;
 };
 
-static const struct operator_t ops_table[] = {
+static const struct operator_t ops_table[] ALIGN2 = {
         { /* "-r" */ FILRD   , UNOP   },
         { /* "-w" */ FILWR   , UNOP   },
         { /* "-x" */ FILEX   , UNOP   },
diff --git a/e2fsprogs/e2fs_lib.c b/e2fsprogs/e2fs_lib.c
index 6ce655be3..8bd4da622 100644
--- a/e2fsprogs/e2fs_lib.c
+++ b/e2fsprogs/e2fs_lib.c
@@ -127,7 +127,7 @@ int fgetsetflags(const char *name, unsigned long *get_flags, unsigned long set_f
 
 
 /* Print file attributes on an ext2 file system */
-const uint32_t e2attr_flags_value[] = {
+const uint32_t e2attr_flags_value[] ALIGN4 = {
 #ifdef ENABLE_COMPRESSION
         EXT2_COMPRBLK_FL,
         EXT2_DIRTY_FL,
diff --git a/editors/awk.c b/editors/awk.c
index 59dae4770..d56d6330d 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -405,7 +405,7 @@ static const char tokenlist[] ALIGN1 =
 
 #define OC_B  OC_BUILTIN
 
-static const uint32_t tokeninfo[] = {
+static const uint32_t tokeninfo[] ALIGN4 = {
         0,
         0,
         OC_REGEXP,
diff --git a/findutils/find.c b/findutils/find.c
index e2947afb4..a8c3fa346 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -1441,7 +1441,7 @@ static action*** parse_params(char **argv)
 #else
 #define XATOU_SFX xatoul_sfx
 #endif
-                        static const struct suffix_mult find_suffixes[] = {
+                        static const struct suffix_mult find_suffixes[] ALIGN_SUFFIX = {
                                 { "c", 1 },
                                 { "w", 2 },
                                 { "", 512 },
diff --git a/include/libbb.h b/include/libbb.h
index 18dc9f935..9872dc1fb 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -1026,8 +1026,9 @@ void generate_uuid(uint8_t *buf) FAST_FUNC;
 /* Last element is marked by mult == 0 */
 struct suffix_mult {
         char suffix[4];
-        unsigned mult;
+        uint32_t mult;
 };
+#define ALIGN_SUFFIX ALIGN4
 extern const struct suffix_mult bkm_suffixes[];
 #define km_suffixes (bkm_suffixes + 1)
 extern const struct suffix_mult cwbkMG_suffixes[];
diff --git a/include/platform.h b/include/platform.h
index 43bb391bd..085387fd8 100644
--- a/include/platform.h
+++ b/include/platform.h
@@ -342,6 +342,8 @@ typedef unsigned smalluint;
 # define ALIGN2
 # define ALIGN4
 #endif
+#define ALIGN8     __attribute__((aligned(8)))
+#define ALIGN_PTR  __attribute__((aligned(sizeof(void*))))
 
 /*
  * For 0.9.29 and svn, __ARCH_USE_MMU__ indicates no-mmu reliably.
diff --git a/libbb/capability.c b/libbb/capability.c
index 23afd8eb9..e3c252a5a 100644
--- a/libbb/capability.c
+++ b/libbb/capability.c
@@ -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",
diff --git a/libbb/duration.c b/libbb/duration.c
index 22b209f4d..086da15fb 100644
--- a/libbb/duration.c
+++ b/libbb/duration.c
@@ -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 },
diff --git a/libbb/hash_md5_sha.c b/libbb/hash_md5_sha.c
index d8f210173..e0db8ce67 100644
--- a/libbb/hash_md5_sha.c
+++ b/libbb/hash_md5_sha.c
@@ -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;
diff --git a/libbb/mode_string.c b/libbb/mode_string.c
index 5ffd5683e..9a286f3ff 100644
--- a/libbb/mode_string.c
+++ b/libbb/mode_string.c
@@ -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
diff --git a/libbb/pw_encrypt_des.c b/libbb/pw_encrypt_des.c
index 19a9ab15b..c6fc328d8 100644
--- a/libbb/pw_encrypt_des.c
+++ b/libbb/pw_encrypt_des.c
@@ -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
diff --git a/libbb/speed_table.c b/libbb/speed_table.c
index 967cf8de8..cf7101e64 100644
--- a/libbb/speed_table.c
+++ b/libbb/speed_table.c
@@ -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},
diff --git a/libbb/xatonum.c b/libbb/xatonum.c
index 7639a62aa..36b06c849 100644
--- a/libbb/xatonum.c
+++ b/libbb/xatonum.c
@@ -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 },
diff --git a/miscutils/crond.c b/miscutils/crond.c
index 2e8ca8b68..fb3adc180 100644
--- a/miscutils/crond.c
+++ b/miscutils/crond.c
@@ -492,7 +492,7 @@ static void load_crontab(const char *fileName)
                                         const char *name;
                                         const char tokens[8];
                                 } SpecialEntry;
-                                static const SpecialEntry SpecAry[] = {
+                                static const SpecialEntry SpecAry[] ALIGN8 = {
                                         /*              hour  day   month weekday */
                                         { "yearly",     "0\0" "1\0" "1\0" "*" },
                                         { "annually",   "0\0" "1\0" "1\0" "*" },
diff --git a/miscutils/dc.c b/miscutils/dc.c
index ef93c20ba..51376dd75 100644
--- a/miscutils/dc.c
+++ b/miscutils/dc.c
@@ -195,7 +195,7 @@ struct op {
         void (*function) (void);
 };
 
-static const struct op operators[] = {
+static const struct op operators[] ALIGN_PTR = {
 #if ENABLE_FEATURE_DC_LIBM
         {"^",   power},
 //      {"exp", power},
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
index 431a0ad96..01b4e8e2e 100644
--- a/miscutils/hdparm.c
+++ b/miscutils/hdparm.c
@@ -1366,7 +1366,7 @@ static NOINLINE void dump_identity(const struct hd_driveid *id)
         }
         if (id->capability & 1) {
                 if (id->dma_1word | id->dma_mword) {
-                        static const int dma_wmode_masks[] = { 0x100, 1, 0x200, 2, 0x400, 4, 0xf800, 0xf8 };
+                        static const int dma_wmode_masks[] ALIGN4 = { 0x100, 1, 0x200, 2, 0x400, 4, 0xf800, 0xf8 };
                         printf("\n DMA modes:  ");
                         print_flags_separated(dma_wmode_masks,
                                 "*\0""sdma0 \0""*\0""sdma1 \0""*\0""sdma2 \0""*\0""sdma? \0",
diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c
index cc8b99a92..09364e396 100644
--- a/miscutils/i2c_tools.c
+++ b/miscutils/i2c_tools.c
@@ -1053,18 +1053,13 @@ struct adap_desc {
 };
 
 static const struct adap_desc adap_descs[] = {
-        { .funcs        = "dummy",
-          .algo         = "Dummy bus", },
-        { .funcs        = "isa",
-          .algo         = "ISA bus", },
-        { .funcs        = "i2c",
-          .algo         = "I2C adapter", },
-        { .funcs        = "smbus",
-          .algo         = "SMBus adapter", },
+        { .funcs = "dummy", .algo = "Dummy bus", },
+        { .funcs = "isa",   .algo = "ISA bus", },
+        { .funcs = "i2c",   .algo = "I2C adapter", },
+        { .funcs = "smbus", .algo = "SMBus adapter", },
 };
 
-struct i2c_func
-{
+struct i2c_func {
         long value;
         const char* name;
 };
diff --git a/miscutils/mt.c b/miscutils/mt.c
index 9f1aecfca..dbb8c13ad 100644
--- a/miscutils/mt.c
+++ b/miscutils/mt.c
@@ -30,7 +30,7 @@
 #include <sys/mtio.h>
 
 /* missing: eod/seod, stoptions, stwrthreshold, densities */
-static const short opcode_value[] = {
+static const short opcode_value[] ALIGN2 = {
         MTBSF,
         MTBSFM,
         MTBSR,
diff --git a/miscutils/setserial.c b/miscutils/setserial.c
index 1e75bf433..2006861e2 100644
--- a/miscutils/setserial.c
+++ b/miscutils/setserial.c
@@ -381,8 +381,7 @@ static bool cmd_needs_arg(int cmd)
 # error "Unexpected flags size"
 #endif
 
-static const uint16_t setbits[CMD_FLAG_LAST + 1] =
-{
+static const uint16_t setbits[CMD_FLAG_LAST + 1] ALIGN2 = {
         0,
         ASYNC_SPD_HI,
         ASYNC_SPD_VHI,
diff --git a/miscutils/ubi_tools.c b/miscutils/ubi_tools.c
index 94a637eee..69ead7a13 100644
--- a/miscutils/ubi_tools.c
+++ b/miscutils/ubi_tools.c
@@ -97,7 +97,7 @@ static unsigned get_num_from_file(const char *path, unsigned max)
 int ubi_tools_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int ubi_tools_main(int argc UNUSED_PARAM, char **argv)
 {
-        static const struct suffix_mult size_suffixes[] = {
+        static const struct suffix_mult size_suffixes[] ALIGN_SUFFIX = {
                 { "KiB", 1024 },
                 { "MiB", 1024*1024 },
                 { "GiB", 1024*1024*1024 },
diff --git a/miscutils/watchdog.c b/miscutils/watchdog.c
index 971b777a3..0ed10bcf1 100644
--- a/miscutils/watchdog.c
+++ b/miscutils/watchdog.c
@@ -88,7 +88,7 @@ int watchdog_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
 int watchdog_main(int argc UNUSED_PARAM, char **argv)
 {
         static const int enable = WDIOS_ENABLECARD;
-        static const struct suffix_mult suffixes[] = {
+        static const struct suffix_mult suffixes[] ALIGN_SUFFIX = {
                 { "ms", 1 },
                 { "", 1000 },
                 { "", 0 }
diff --git a/modutils/modinfo.c b/modutils/modinfo.c
index c5cdc7980..d15772f0d 100644
--- a/modutils/modinfo.c
+++ b/modutils/modinfo.c
@@ -20,7 +20,7 @@
 #include "libbb.h"
 #include "modutils.h"
 
-static const char *const shortcuts[] = {
+static const char *const shortcuts[] ALIGN_PTR = {
         "filename",     // -n
         "author",       // -a
         "description",  // -d
diff --git a/networking/ifplugd.c b/networking/ifplugd.c
index 60916eae6..18dcaff96 100644
--- a/networking/ifplugd.c
+++ b/networking/ifplugd.c
@@ -304,7 +304,7 @@ static const char api_modes[] ALIGN1 = "empwia";
 static const struct {
         const char *name;
         smallint (*func)(void);
-} method_table[] = {
+} method_table[] ALIGN_PTR = {
         { "SIOCETHTOOL"       , &detect_link_ethtool },
         { "SIOCGMIIPHY"       , &detect_link_mii     },
         { "SIOCDEVPRIVATE"    , &detect_link_priv    },
diff --git a/networking/interface.c b/networking/interface.c
index e5e55d8d4..ea6a2c8a8 100644
--- a/networking/interface.c
+++ b/networking/interface.c
@@ -746,7 +746,7 @@ static const struct hwtype *const hwtypes[] = {
 };
 
 #ifdef IFF_PORTSEL
-static const char *const if_port_text[] = {
+static const char *const if_port_text[] ALIGN_PTR = {
         /* Keep in step with <linux/netdevice.h> */
         "unknown",
         "10base2",
diff --git a/networking/ip.c b/networking/ip.c
index 33bea5f49..85b1ba080 100644
--- a/networking/ip.c
+++ b/networking/ip.c
@@ -400,7 +400,7 @@ int ip_main(int argc UNUSED_PARAM, char **argv)
                 IF_FEATURE_IP_RULE("rule\0")
                 IF_FEATURE_IP_NEIGH("neigh\0")
                 ;
-        static const ip_func_ptr_t ip_func_ptrs[] = {
+        static const ip_func_ptr_t ip_func_ptrs[] ALIGN_PTR = {
                 ip_print_help,
                 IF_FEATURE_IP_ADDRESS(do_ipaddr,)
                 IF_FEATURE_IP_ROUTE(do_iproute,)
diff --git a/networking/libiproute/rt_names.c b/networking/libiproute/rt_names.c
index 51f2e9bdb..3c2fad912 100644
--- a/networking/libiproute/rt_names.c
+++ b/networking/libiproute/rt_names.c
@@ -77,7 +77,7 @@ static rtnl_tab_t *rtnl_rtprot_tab;
 
 static void rtnl_rtprot_initialize(void)
 {
-        static const char *const init_tab[] = {
+        static const char *const init_tab[] ALIGN_PTR = {
                 "none",
                 "redirect",
                 "kernel",
diff --git a/networking/route.c b/networking/route.c
index 4d9aad6cc..4901109f1 100644
--- a/networking/route.c
+++ b/networking/route.c
@@ -460,9 +460,9 @@ static NOINLINE void INET6_setroute(int action, char **args)
 #endif
 
 static const
-IF_NOT_FEATURE_IPV6(uint16_t)
-IF_FEATURE_IPV6(unsigned)
-flagvals[] = { /* Must agree with flagchars[]. */
+IF_NOT_FEATURE_IPV6(uint16_t flagvals[] ALIGN2 = )
+IF_FEATURE_IPV6(uint32_t flagvals[] ALIGN4 = )
+{ /* Must agree with flagchars[]. */
         RTF_UP,
         RTF_GATEWAY,
         RTF_HOST,
diff --git a/networking/tls.c b/networking/tls.c
index 341225207..e34acd69f 100644
--- a/networking/tls.c
+++ b/networking/tls.c
@@ -1953,7 +1953,7 @@ static void send_client_key_exchange(tls_state_t *tls)
                 premaster_size = sizeof(rsa_premaster);
         } else {
                 /* ECDHE */
-                static const uint8_t basepoint9[CURVE25519_KEYSIZE] = {9};
+                static const uint8_t basepoint9[CURVE25519_KEYSIZE] ALIGN1 = {9};
                 uint8_t privkey[CURVE25519_KEYSIZE]; //[32]
 
                 if (!(tls->flags & GOT_EC_KEY))
diff --git a/networking/udhcp/dhcpd.c b/networking/udhcp/dhcpd.c
index acfdaa8c3..de16cf955 100644
--- a/networking/udhcp/dhcpd.c
+++ b/networking/udhcp/dhcpd.c
@@ -398,7 +398,7 @@ struct config_keyword {
 
 #define OFS(field) offsetof(struct server_data_t, field)
 
-static const struct config_keyword keywords[] = {
+static const struct config_keyword keywords[] ALIGN_PTR = {
         /* keyword        handler           variable address    default */
         {"start"        , udhcp_str2nip   , OFS(start_ip     ), "192.168.0.20"},
         {"end"          , udhcp_str2nip   , OFS(end_ip       ), "192.168.0.254"},
diff --git a/procps/nmeter.c b/procps/nmeter.c
index 856ce0202..07b7abe2f 100644
--- a/procps/nmeter.c
+++ b/procps/nmeter.c
@@ -838,7 +838,7 @@ static void FAST_FUNC collect_info(s_stat *s)
 typedef s_stat* init_func(const char *param);
 
 static const char options[] ALIGN1 = "ncmsfixptTbr";
-static init_func *const init_functions[] = {
+static init_func *const init_functions[] ALIGN_PTR = {
         init_if,
         init_cpu,
         init_mem,
diff --git a/procps/ps.c b/procps/ps.c
index 48f96209f..711b180a0 100644
--- a/procps/ps.c
+++ b/procps/ps.c
@@ -375,7 +375,7 @@ static void func_pcpu(char *buf, int size, const procps_status_t *ps)
 }
 */
 
-static const ps_out_t out_spec[] = {
+static const ps_out_t out_spec[] ALIGN_PTR = {
 /* Mandated by http://pubs.opengroup.org/onlinepubs/9699919799/utilities/ps.html: */
         { 8                  , "user"  ,"USER"   ,func_user  ,PSSCAN_UIDGID  },
         { 8                  , "group" ,"GROUP"  ,func_group ,PSSCAN_UIDGID  },
diff --git a/runit/svlogd.c b/runit/svlogd.c
index a250058a1..040e71104 100644
--- a/runit/svlogd.c
+++ b/runit/svlogd.c
@@ -775,7 +775,7 @@ static NOINLINE unsigned logdir_open(struct logdir *ld, const char *fn)
                                 ld->nmin = xatoi_positive(&s[1]);
                                 break;
                         case 't': {
-                                static const struct suffix_mult mh_suffixes[] = {
+                                static const struct suffix_mult mh_suffixes[] ALIGN_SUFFIX = {
                                         { "m", 60 },
                                         { "h", 60*60 },
                                         /*{ "d", 24*60*60 },*/
diff --git a/shell/ash.c b/shell/ash.c
index 8c9a590d1..40695dee0 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -2091,7 +2091,7 @@ static const struct {
         int flags;
         const char *var_text;
         void (*var_func)(const char *) FAST_FUNC;
-} varinit_data[] = {
+} varinit_data[] ALIGN_PTR = {
         /*
          * Note: VEXPORT would not work correctly here for NOFORK applets:
          * some environment strings may be constant.
@@ -4811,7 +4811,7 @@ static char *cmdnextc;
 static void
 cmdputs(const char *s)
 {
-        static const char vstype[VSTYPE + 1][3] = {
+        static const char vstype[VSTYPE + 1][3] ALIGN1 = {
                 "", "}", "-", "+", "?", "=",
                 "%", "%%", "#", "##"
                 IF_BASH_SUBSTR(, ":")
@@ -8510,7 +8510,7 @@ enum {
         , /* thus far 29 bits used */
 };
 
-static const char *const tokname_array[] = {
+static const char *const tokname_array[] ALIGN_PTR = {
         "end of file",
         "newline",
         "redirection",
diff --git a/shell/hush.c b/shell/hush.c
index f1a7e07ee..b6d9d7abb 100644
--- a/shell/hush.c
+++ b/shell/hush.c
@@ -596,10 +596,10 @@ typedef struct in_str {
 /* The descrip member of this structure is only used to make
  * debugging output pretty */
 static const struct {
-        int mode;
+        int32_t mode;
         signed char default_fd;
         char descrip[3];
-} redir_table[] = {
+} redir_table[] ALIGN4 = {
         { O_RDONLY,                  0, "<"  },
         { O_CREAT|O_TRUNC|O_WRONLY,  1, ">"  },
         { O_CREAT|O_APPEND|O_WRONLY, 1, ">>" },
@@ -1143,7 +1143,7 @@ struct built_in_command {
 #endif
 };
 
-static const struct built_in_command bltins1[] = {
+static const struct built_in_command bltins1[] ALIGN_PTR = {
         BLTIN("."        , builtin_source  , "Run commands in file"),
         BLTIN(":"        , builtin_true    , NULL),
 #if ENABLE_HUSH_JOB
@@ -1228,7 +1228,7 @@ static const struct built_in_command bltins1[] = {
 /* These builtins won't be used if we are on NOMMU and need to re-exec
  * (it's cheaper to run an external program in this case):
  */
-static const struct built_in_command bltins2[] = {
+static const struct built_in_command bltins2[] ALIGN_PTR = {
 #if ENABLE_HUSH_TEST
         BLTIN("["        , builtin_test    , NULL),
 #endif
@@ -3895,7 +3895,7 @@ struct reserved_combo {
         char literal[6];
         unsigned char res;
         unsigned char assignment_flag;
-        int flag;
+        uint32_t flag;
 };
 enum {
         FLAG_END   = (1 << RES_NONE ),
@@ -3928,7 +3928,7 @@ static const struct reserved_combo* match_reserved_word(o_string *word)
          * to turn the compound list into a command.
          * FLAG_START means the word must start a new compound list.
          */
-        static const struct reserved_combo reserved_list[] = {
+        static const struct reserved_combo reserved_list[] ALIGN4 = {
 # if ENABLE_HUSH_IF
                 { "!",     RES_NONE,  NOT_ASSIGNMENT  , 0 },
                 { "if",    RES_IF,    MAYBE_ASSIGNMENT, FLAG_THEN | FLAG_START },
diff --git a/shell/shell_common.c b/shell/shell_common.c
index 42c4c9c97..dcbe0d109 100644
--- a/shell/shell_common.c
+++ b/shell/shell_common.c
@@ -324,7 +324,7 @@ struct limits {
         uint8_t factor_shift;   /* shift by to get rlim_{cur,max} values */
 };
 
-static const struct limits limits_tbl[] = {
+static const struct limits limits_tbl[] ALIGN2 = {
         { RLIMIT_CORE,          9,      }, // -c
         { RLIMIT_DATA,          10,     }, // -d
         { RLIMIT_NICE,          0,      }, // -e
diff --git a/util-linux/acpid.c b/util-linux/acpid.c
index d473e24fc..00613f8e3 100644
--- a/util-linux/acpid.c
+++ b/util-linux/acpid.c
@@ -99,7 +99,7 @@ struct acpi_event {
         const char *desc;
 };
 
-static const struct acpi_event f_evt_tab[] = {
+static const struct acpi_event f_evt_tab[] ALIGN_PTR = {
         { "EV_KEY", 0x01, "KEY_POWER", 116, 1, "button/power PWRF 00000080" },
         { "EV_KEY", 0x01, "KEY_POWER", 116, 1, "button/power PWRB 00000080" },
         { "EV_SW", 0x05, "SW_LID", 0x00, 1, "button/lid LID0 00000080" },
@@ -110,7 +110,7 @@ struct acpi_action {
         const char *action;
 };
 
-static const struct acpi_action f_act_tab[] = {
+static const struct acpi_action f_act_tab[] ALIGN_PTR = {
         { "PWRF", "PWRF/00000080" },
         { "LID0", "LID/00000080" },
 };
diff --git a/util-linux/fbset.c b/util-linux/fbset.c
index 0b9a9a6bc..cc5413b40 100644
--- a/util-linux/fbset.c
+++ b/util-linux/fbset.c
@@ -193,7 +193,7 @@ static const struct cmdoptions_t {
         const char name[9];
         const unsigned char param_count;
         const unsigned char code;
-} g_cmdoptions[] = {
+} g_cmdoptions[] ALIGN1 = {
         /*"12345678" + NUL */
 //TODO: convert to index_in_strings()
         { "fb"      , 1, CMD_FB       },
diff --git a/util-linux/fdisk.c b/util-linux/fdisk.c
index 0df3ebf7d..6454baab8 100644
--- a/util-linux/fdisk.c
+++ b/util-linux/fdisk.c
@@ -303,7 +303,7 @@ static sector_t get_nr_sects(const struct partition *p);
 
 /* DOS partition types */
 
-static const char *const i386_sys_types[] = {
+static const char *const i386_sys_types[] ALIGN_PTR = {
         "\x00" "Empty",
         "\x01" "FAT12",
         "\x04" "FAT16 <32M",
diff --git a/util-linux/fdisk_osf.c b/util-linux/fdisk_osf.c
index 92180b2bc..765740ff1 100644
--- a/util-linux/fdisk_osf.c
+++ b/util-linux/fdisk_osf.c
@@ -144,7 +144,7 @@ struct xbsd_disklabel {
 #define BSD_DSTYPE_DOSPART(s)   ((s) & 3)       /* dos partition number */
 #define BSD_DSTYPE_GEOMETRY     0x10            /* drive params in label */
 
-static const char *const xbsd_dktypenames[] = {
+static const char *const xbsd_dktypenames[] ALIGN_PTR = {
         "unknown",
         "SMD",
         "MSCP",
@@ -190,7 +190,7 @@ static const char *const xbsd_dktypenames[] = {
 #define BSD_FS_MSDOS    8               /* MS-DOS file system */
 #endif
 
-static const char *const xbsd_fstypes[] = {
+static const char *const xbsd_fstypes[] ALIGN_PTR = {
         "\x00" "unused",            /* BSD_FS_UNUSED  */
         "\x01" "swap",              /* BSD_FS_SWAP    */
         "\x02" "Version 6",         /* BSD_FS_V6      */
diff --git a/util-linux/fdisk_sgi.c b/util-linux/fdisk_sgi.c
index c90c801e2..acb438ac0 100644
--- a/util-linux/fdisk_sgi.c
+++ b/util-linux/fdisk_sgi.c
@@ -174,7 +174,7 @@ isinfreelist(unsigned int b)
  * end of free blocks section
  */
 
-static const char *const sgi_sys_types[] = {
+static const char *const sgi_sys_types[] ALIGN_PTR = {
 /* SGI_VOLHDR   */      "\x00" "SGI volhdr"  ,
 /* 0x01         */      "\x01" "SGI trkrepl" ,
 /* 0x02         */      "\x02" "SGI secrepl" ,
diff --git a/util-linux/fdisk_sun.c b/util-linux/fdisk_sun.c
index 29d7c283a..427b9487b 100644
--- a/util-linux/fdisk_sun.c
+++ b/util-linux/fdisk_sun.c
@@ -61,7 +61,7 @@ guess_device_type(void)
         }
 }
 
-static const char *const sun_sys_types[] = {
+static const char *const sun_sys_types[] ALIGN_PTR = {
         "\x00" "Empty"       , /* 0            */
         "\x01" "Boot"        , /* 1            */
         "\x02" "SunOS root"  , /* 2            */
@@ -133,7 +133,7 @@ static const struct sun_predefined_drives {
         unsigned short ntrks;
         unsigned short nsect;
         unsigned short rspeed;
-} sun_drives[] = {
+} sun_drives[] ALIGN_PTR = {
         { "Quantum","ProDrive 80S",1,832,2,834,6,34,3662},
         { "Quantum","ProDrive 105S",1,974,2,1019,6,35,3662},
         { "CDC","Wren IV 94171-344",3,1545,2,1549,9,46,3600},
diff --git a/util-linux/mkfs_ext2.c b/util-linux/mkfs_ext2.c
index 1f525d75b..fcf374b2d 100644
--- a/util-linux/mkfs_ext2.c
+++ b/util-linux/mkfs_ext2.c
@@ -131,7 +131,7 @@ static void allocate(uint8_t *bitmap, uint32_t blocksize, uint32_t start, uint32
 static uint32_t has_super(uint32_t x)
 {
         // 0, 1 and powers of 3, 5, 7 up to 2^32 limit
-        static const uint32_t supers[] = {
+        static const uint32_t supers[] ALIGN4 = {
                 0, 1, 3, 5, 7, 9, 25, 27, 49, 81, 125, 243, 343, 625, 729,
                 2187, 2401, 3125, 6561, 15625, 16807, 19683, 59049, 78125,
                 117649, 177147, 390625, 531441, 823543, 1594323, 1953125,
diff --git a/util-linux/mount.c b/util-linux/mount.c
index fc5161d7f..aa38847ec 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -323,7 +323,7 @@ enum {
 
 // Standard mount options (from -o options or --options),
 // with corresponding flags
-static const int32_t mount_options[] = {
+static const int32_t mount_options[] ALIGN4 = {
         // MS_FLAGS set a bit.  ~MS_FLAGS disable that bit.  0 flags are NOPs.
 
         IF_FEATURE_MOUNT_LOOP(
diff --git a/util-linux/volume_id/volume_id.c b/util-linux/volume_id/volume_id.c
index 99150a5b7..8ceb61bde 100644
--- a/util-linux/volume_id/volume_id.c
+++ b/util-linux/volume_id/volume_id.c
@@ -49,7 +49,7 @@
 typedef int FAST_FUNC (*raid_probe_fptr)(struct volume_id *id, /*uint64_t off,*/ uint64_t size);
 typedef int FAST_FUNC (*probe_fptr)(struct volume_id *id /*, uint64_t off*/);
 
-static const raid_probe_fptr raid1[] = {
+static const raid_probe_fptr raid1[] ALIGN_PTR = {
 #if ENABLE_FEATURE_VOLUMEID_LINUXRAID
         volume_id_probe_linux_raid,
 #endif
@@ -76,7 +76,7 @@ static const raid_probe_fptr raid1[] = {
 #endif
 };
 
-static const probe_fptr raid2[] = {
+static const probe_fptr raid2[] ALIGN_PTR = {
 #if ENABLE_FEATURE_VOLUMEID_LVM
         volume_id_probe_lvm1,
         volume_id_probe_lvm2,
@@ -90,7 +90,7 @@ static const probe_fptr raid2[] = {
 };
 
 /* signature in the first block, only small buffer needed */
-static const probe_fptr fs1[] = {
+static const probe_fptr fs1[] ALIGN_PTR = {
 #if ENABLE_FEATURE_VOLUMEID_FAT
         volume_id_probe_vfat,
 #endif
@@ -118,7 +118,7 @@ static const probe_fptr fs1[] = {
 };
 
 /* fill buffer with maximum */
-static const probe_fptr fs2[] = {
+static const probe_fptr fs2[] ALIGN_PTR = {
 #if ENABLE_FEATURE_VOLUMEID_LINUXSWAP
         volume_id_probe_linux_swap,
 #endif