From 37bdd8f8cb19b674485be1dec6e8ac96d930c87f Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Tue, 1 Jan 2019 15:40:43 +0100 Subject: tls: pstm code shrink Optimize ABI calling convention and "dead code" cases where return value is known to be always "success". function old new delta pstm_mod 113 1227 +1114 pstm_exptmod 1463 1532 +69 pstm_montgomery_reduce 381 393 +12 pstm_sqr_comba 478 487 +9 pstm_mul_comba 447 452 +5 der_binary_to_pstm 42 45 +3 pstm_count_bits 48 46 -2 pstm_clear 72 70 -2 pstm_clamp 57 55 -2 pstm_zero 38 34 -4 pstm_init_size 46 42 -4 pstm_init_for_read_unsigned_bin 24 20 -4 pstm_grow 72 68 -4 pstm_unsigned_bin_size 37 32 -5 pstm_cmp_mag 78 72 -6 pstm_copy 92 84 -8 pstm_mul_d 224 215 -9 pstm_rshd 104 94 -10 pstm_mul_2 156 146 -10 tls_handshake 2085 2072 -13 psRsaEncryptPub 421 408 -13 pstm_lshd 109 95 -14 pstm_cmp 54 39 -15 s_pstm_sub 228 212 -16 pstm_init_copy 72 52 -20 pstm_read_unsigned_bin 109 88 -21 pstm_mulmod 120 99 -21 s_pstm_add 337 314 -23 pstm_add 108 84 -24 pstm_mul_2d 186 161 -25 pstm_sub 102 74 -28 pstm_to_unsigned_bin 151 120 -31 pstm_set 34 - -34 pstm_div_2d 409 373 -36 pstm_init 42 - -42 pstm_exch 50 - -50 pstm_montgomery_setup 89 - -89 pstm_2expt 96 - -96 pstm_montgomery_calc_normalization 140 - -140 pstm_div 1522 - -1522 ------------------------------------------------------------------------------ (add/remove: 0/7 grow/shrink: 6/27 up/down: 1212/-2343) Total: -1131 bytes Signed-off-by: Denys Vlasenko --- networking/tls_pstm.h | 86 +++++++++++++++++++++++++-------------------------- 1 file changed, 43 insertions(+), 43 deletions(-) (limited to 'networking/tls_pstm.h') diff --git a/networking/tls_pstm.h b/networking/tls_pstm.h index df705adce..bc7a0119a 100644 --- a/networking/tls_pstm.h +++ b/networking/tls_pstm.h @@ -136,148 +136,148 @@ typedef struct { #define pstm_isodd(a) (((a)->used > 0 && (((a)->dp[0] & 1) == 1)) ? PS_TRUE : PS_FALSE) #define pstm_abs(a, b) { pstm_copy(a, b); (b)->sign = 0; } -extern void pstm_set(pstm_int *a, pstm_digit b); +//made static:extern void pstm_set(pstm_int *a, pstm_digit b); -extern void pstm_zero(pstm_int * a); +//made static:extern void pstm_zero(pstm_int * a); //bbox: pool unused #define pstm_init(pool, a) \ pstm_init( a) -extern int32 pstm_init(psPool_t *pool, pstm_int * a); +//made static:extern int32 pstm_init(psPool_t *pool, pstm_int * a); //bbox: pool unused #define pstm_init_size(pool, a, size) \ pstm_init_size( a, size) -extern int32 pstm_init_size(psPool_t *pool, pstm_int * a, uint32 size); +extern int32 pstm_init_size(psPool_t *pool, pstm_int * a, uint32 size) FAST_FUNC; //bbox: pool unused #define pstm_init_copy(pool, a, b, toSqr) \ pstm_init_copy( a, b, toSqr) -extern int32 pstm_init_copy(psPool_t *pool, pstm_int * a, pstm_int * b, - int toSqr); //bbox: was int16 toSqr +//made static:extern int32 pstm_init_copy(psPool_t *pool, pstm_int * a, pstm_int * b, +//made static: int toSqr); //bbox: was int16 toSqr -extern int pstm_count_bits (pstm_int * a); //bbox: was returning int16 +//made static:extern int pstm_count_bits (pstm_int * a) FAST_FUNC; //bbox: was returning int16 //bbox: pool unused #define pstm_init_for_read_unsigned_bin(pool, a, len) \ pstm_init_for_read_unsigned_bin( a, len) extern int32 pstm_init_for_read_unsigned_bin(psPool_t *pool, pstm_int *a, - uint32 len); + uint32 len) FAST_FUNC; -extern int32 pstm_read_unsigned_bin(pstm_int *a, unsigned char *b, int32 c); +extern int32 pstm_read_unsigned_bin(pstm_int *a, unsigned char *b, int32 c) FAST_FUNC; -extern int32 pstm_unsigned_bin_size(pstm_int *a); +extern int32 pstm_unsigned_bin_size(pstm_int *a) FAST_FUNC; extern int32 pstm_copy(pstm_int * a, pstm_int * b); -extern void pstm_exch(pstm_int * a, pstm_int * b); +//made static:extern void pstm_exch(pstm_int * a, pstm_int * b); -extern void pstm_clear(pstm_int * a); +extern void pstm_clear(pstm_int * a) FAST_FUNC; extern void pstm_clear_multi(pstm_int *mp0, pstm_int *mp1, pstm_int *mp2, pstm_int *mp3, pstm_int *mp4, pstm_int *mp5, pstm_int *mp6, - pstm_int *mp7); + pstm_int *mp7) FAST_FUNC; -extern int32 pstm_grow(pstm_int * a, int size); //bbox: was int16 size +extern int32 pstm_grow(pstm_int * a, int size) FAST_FUNC; //bbox: was int16 size -extern void pstm_clamp(pstm_int * a); +extern void pstm_clamp(pstm_int * a) FAST_FUNC; -extern int32 pstm_cmp(pstm_int * a, pstm_int * b); +extern int32 pstm_cmp(pstm_int * a, pstm_int * b) FAST_FUNC; -extern int32 pstm_cmp_mag(pstm_int * a, pstm_int * b); +extern int32 pstm_cmp_mag(pstm_int * a, pstm_int * b) FAST_FUNC; -extern void pstm_rshd(pstm_int *a, int x); //bbox: was int16 x +//made static:extern void pstm_rshd(pstm_int *a, int x); //bbox: was int16 x -extern int32 pstm_lshd(pstm_int * a, int b); //bbox: was int16 b +//made static:extern int32 pstm_lshd(pstm_int * a, int b); //bbox: was int16 b //bbox: pool unused #define pstm_div(pool, a, b, c, d) \ pstm_div( a, b, c, d) -extern int32 pstm_div(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c, - pstm_int *d); +//made static:extern int32 pstm_div(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c, +//made static: pstm_int *d); //bbox: pool unused #define pstm_div_2d(pool, a, b, c, d) \ pstm_div_2d( a, b, c, d) -extern int32 pstm_div_2d(psPool_t *pool, pstm_int *a, int b, pstm_int *c, - pstm_int *d); //bbox: was int16 b +//made static:extern int32 pstm_div_2d(psPool_t *pool, pstm_int *a, int b, pstm_int *c, +//made static: pstm_int *d); //bbox: was int16 b -extern int32 pstm_div_2(pstm_int * a, pstm_int * b); +extern int32 pstm_div_2(pstm_int * a, pstm_int * b) FAST_FUNC; -extern int32 s_pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c); +extern int32 s_pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c) FAST_FUNC; -extern int32 pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c); +extern int32 pstm_sub(pstm_int *a, pstm_int *b, pstm_int *c) FAST_FUNC; //bbox: pool unused #define pstm_sub_d(pool, a, b, c) \ pstm_sub_d( a, b, c) -extern int32 pstm_sub_d(psPool_t *pool, pstm_int *a, pstm_digit b, pstm_int *c); +extern int32 pstm_sub_d(psPool_t *pool, pstm_int *a, pstm_digit b, pstm_int *c) FAST_FUNC; -extern int32 pstm_mul_2(pstm_int * a, pstm_int * b); +extern int32 pstm_mul_2(pstm_int * a, pstm_int * b) FAST_FUNC; //bbox: pool unused #define pstm_mod(pool, a, b, c) \ pstm_mod( a, b, c) -extern int32 pstm_mod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c); +//made static:extern int32 pstm_mod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c); //bbox: pool unused #define pstm_mulmod(pool, a, b, c, d) \ pstm_mulmod( a, b, c, d) extern int32 pstm_mulmod(psPool_t *pool, pstm_int *a, pstm_int *b, pstm_int *c, - pstm_int *d); + pstm_int *d) FAST_FUNC; //bbox: pool unused #define pstm_exptmod(pool, G, X, P, Y) \ pstm_exptmod( G, X, P, Y) extern int32 pstm_exptmod(psPool_t *pool, pstm_int *G, pstm_int *X, pstm_int *P, - pstm_int *Y); + pstm_int *Y) FAST_FUNC; -extern int32 pstm_2expt(pstm_int *a, int b); //bbox: was int16 b +//made static:extern int32 pstm_2expt(pstm_int *a, int b); //bbox: was int16 b -extern int32 pstm_add(pstm_int *a, pstm_int *b, pstm_int *c); +extern int32 pstm_add(pstm_int *a, pstm_int *b, pstm_int *c) FAST_FUNC; //bbox: pool unused #define pstm_to_unsigned_bin(pool, a, b) \ pstm_to_unsigned_bin( a, b) extern int32 pstm_to_unsigned_bin(psPool_t *pool, pstm_int *a, - unsigned char *b); + unsigned char *b) FAST_FUNC; //bbox: pool unused #define pstm_to_unsigned_bin_nr(pool, a, b) \ pstm_to_unsigned_bin_nr( a, b) extern int32 pstm_to_unsigned_bin_nr(psPool_t *pool, pstm_int *a, - unsigned char *b); + unsigned char *b) FAST_FUNC; -extern int32 pstm_montgomery_setup(pstm_int *a, pstm_digit *rho); +//made static:extern int32 pstm_montgomery_setup(pstm_int *a, pstm_digit *rho); //bbox: pool unused #define pstm_montgomery_reduce(pool, a, m, mp, paD, paDlen) \ pstm_montgomery_reduce( a, m, mp, paD, paDlen) extern int32 pstm_montgomery_reduce(psPool_t *pool, pstm_int *a, pstm_int *m, - pstm_digit mp, pstm_digit *paD, uint32 paDlen); + pstm_digit mp, pstm_digit *paD, uint32 paDlen) FAST_FUNC; #define pstm_mul_comba(pool, A, B, C, paD, paDlen) \ pstm_mul_comba( A, B, C, paD, paDlen) extern int32 pstm_mul_comba(psPool_t *pool, pstm_int *A, pstm_int *B, - pstm_int *C, pstm_digit *paD, uint32 paDlen); + pstm_int *C, pstm_digit *paD, uint32 paDlen) FAST_FUNC; //bbox: pool unused #define pstm_sqr_comba(pool, A, B, paD, paDlen) \ pstm_sqr_comba( A, B, paD, paDlen) extern int32 pstm_sqr_comba(psPool_t *pool, pstm_int *A, pstm_int *B, - pstm_digit *paD, uint32 paDlen); + pstm_digit *paD, uint32 paDlen) FAST_FUNC; -extern int32 pstm_cmp_d(pstm_int *a, pstm_digit b); +//made static:extern int32 pstm_cmp_d(pstm_int *a, pstm_digit b); -extern int32 pstm_montgomery_calc_normalization(pstm_int *a, pstm_int *b); +//made static:extern int32 pstm_montgomery_calc_normalization(pstm_int *a, pstm_int *b); -extern int32 pstm_mul_d(pstm_int *a, pstm_digit b, pstm_int *c); +//made static:extern int32 pstm_mul_d(pstm_int *a, pstm_digit b, pstm_int *c); //bbox: pool unused #define pstm_invmod(pool, a, b, c) \ pstm_invmod( a, b, c) extern int32 pstm_invmod(psPool_t *pool, pstm_int * a, pstm_int * b, - pstm_int * c); + pstm_int * c) FAST_FUNC; #else /* DISABLE_PSTM */ typedef int32 pstm_int; -- cgit v1.2.3