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>

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"

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

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",

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 }

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 },

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

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 },

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   },

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,

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,

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 },

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[];

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.

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",

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 },

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;

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

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

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},

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 },

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" "*" },

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},

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",

miscutils/i2c_tools.c

@@ -1053,18 +1053,13 @@ struct adap_desc {
 };
 
 static const struct adap_desc adap_descs[] = {
-	{ .funcs	= "dummy",
+	{ .funcs = "dummy", .algo = "Dummy bus", },
-	  .algo		= "Dummy bus", },
+	{ .funcs = "isa",   .algo = "ISA bus", },
-	{ .funcs	= "isa",
+	{ .funcs = "i2c",   .algo = "I2C adapter", },
-	  .algo		= "ISA bus", },
+	{ .funcs = "smbus", .algo = "SMBus adapter", },
-	{ .funcs	= "i2c",
-	  .algo		= "I2C adapter", },
-	{ .funcs	= "smbus",
-	  .algo		= "SMBus adapter", },
 };
 
-struct i2c_func
+struct i2c_func {
-{
 	long value;
 	const char* name;
 };

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,

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,

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 },

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 }

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

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    },

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",

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,)

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",

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_NOT_FEATURE_IPV6(uint16_t flagvals[] ALIGN2 = )
-IF_FEATURE_IPV6(unsigned)
+IF_FEATURE_IPV6(uint32_t flagvals[] ALIGN4 = )
-flagvals[] = { /* Must agree with flagchars[]. */
+{ /* Must agree with flagchars[]. */
 	RTF_UP,
 	RTF_GATEWAY,
 	RTF_HOST,

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))

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"},

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,

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  },

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 },*/

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",

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 },

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

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" },
 };

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       },

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",

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      */

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" ,

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},

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,

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(

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