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 <vda.linux@googlemail.com>
diff --git a/networking/tls_pstm.h b/networking/tls_pstm.h
index df705ad..bc7a011 100644
--- a/networking/tls_pstm.h
+++ b/networking/tls_pstm.h
@@ -136,148 +136,148 @@
#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;