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map-gen.c
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/* -*- linux-c -*- * map API generator * Copyright (C) 2005-2016 Red Hat Inc. * * This file is part of systemtap, and is free software. You can * redistribute it and/or modify it under the terms of the GNU General * Public License (GPL); either version 2, or (at your option) any * later version. */ /** @file map-gen.c * @brief Map function generator * This file is a template designed to be included as many times as * needed to generate the necessary map functions. */ #define JOIN(x,y) JOINx(x,y) #define JOINx(x,y) x##_##y #define JOIN2(x,y,z) JOIN2x(x,y,z) #define JOIN2x(x,y,z) x##_##y##z #define JOIN3(a,b,c,d) JOIN3x(a,b,c,d) #define JOIN3x(a,b,c,d) a##_##b##c##d #define JOIN4(a,b,c,d,e) JOIN4x(a,b,c,d,e) #define JOIN4x(a,b,c,d,e) a##_##b##c##d##e #define JOIN5(a,b,c,d,e,f) JOIN5x(a,b,c,d,e,f) #define JOIN5x(a,b,c,d,e,f) a##_##b##c##d##e##f #define JOIN6(a,b,c,d,e,f,g) JOIN6x(a,b,c,d,e,f,g) #define JOIN6x(a,b,c,d,e,f,g) a##_##b##c##d##e##f##g #define JOIN7(a,b,c,d,e,f,g,h) JOIN7x(a,b,c,d,e,f,g,h) #define JOIN7x(a,b,c,d,e,f,g,h) a##_##b##c##d##e##f##g##h #define JOIN8(a,b,c,d,e,f,g,h,i) JOIN8x(a,b,c,d,e,f,g,h,i) #define JOIN8x(a,b,c,d,e,f,g,h,i) a##_##b##c##d##e##f##g##h##i #define JOIN9(a,b,c,d,e,f,g,h,i,j) JOIN9x(a,b,c,d,e,f,g,h,i,j) #define JOIN9x(a,b,c,d,e,f,g,h,i,j) a##_##b##c##d##e##f##g##h##i##j #define JOIN10(a,b,c,d,e,f,g,h,i,j,k) JOIN10x(a,b,c,d,e,f,g,h,i,j,k) #define JOIN10x(a,b,c,d,e,f,g,h,i,j,k) a##_##b##c##d##e##f##g##h##i##j##k #include "map.h" #if !defined(VALUE_TYPE) #error Need to define VALUE_TYPE as STRING, STAT, or INT64 #endif #if VALUE_TYPE == STRING #define VALTYPE char* #define VSTYPE char* #define VALNAME str #define VALN s #define VALSTOR char value[MAP_STRING_LENGTH] #define MAP_GET_VAL(node) ((node)->value) #define MAP_SET_VAL(map,node,val,add,s1,s2,s3,s4,s5) _new_map_set_str(map,MAP_GET_VAL(node),val,add) #define MAP_COPY_VAL(map,node,val,add) MAP_SET_VAL(map,node,val,add,0,0,0,0,0) #define NULLRET "" #elif VALUE_TYPE == INT64 #define VALTYPE int64_t #define VSTYPE int64_t #define VALNAME int64 #define VALN i #define VALSTOR int64_t value #define MAP_GET_VAL(node) ((node)->value) #define MAP_SET_VAL(map,node,val,add,s1,s2,s3,s4,s5) _new_map_set_int64(map,&MAP_GET_VAL(node),val,add) #define MAP_COPY_VAL(map,node,val,add) MAP_SET_VAL(map,node,val,add,0,0,0,0,0) #define NULLRET (int64_t)0 #elif VALUE_TYPE == STAT #define VALTYPE stat_data* #define VSTYPE int64_t #define VALNAME stat_data #define VALN x #define VALSTOR stat_data value #define MAP_GET_VAL(node) (&(node)->value) #define MAP_SET_VAL(map,node,val,add,s1,s2,s3,s4,s5) _new_map_set_stat(map,MAP_GET_VAL(node),val,add,s1,s2,s3,s4,s5) #define MAP_COPY_VAL(map,node,val,add) _new_map_copy_stat(map,MAP_GET_VAL(node),val,add) #define NULLRET (stat_data*)0 #else #error Need to define VALUE_TYPE as STRING, STAT, or INT64 #endif /* VALUE_TYPE */ /* murmurhash3 body, for use in KEYSYM(hash) Extracted from https://github.com/aappleby/smhasher/tree/master/src ----------------------------------------------------------------------------- MurmurHash3 was written by Austin Appleby, and is placed in the public domain. The author hereby disclaims copyright to this source code. ----------------------------------------------------------------------------- */ #define ROTL32(x,r) (((uint32_t)x << r) | ((uint32_t)x >> (32 - r))) #define MURMUR_INT64(v) do { \ uint32_t k1; \ k1 = (v & 0xFFFFFFFF); \ k1 *= c1; k1 = ROTL32(k1,15); k1 *= c2; \ h1 ^= k1; h1 = ROTL32(h1,13); h1 = h1*5+0xe6546b64; \ k1 = ((v >> 32) & 0xFFFFFFFF); \ k1 *= c1; k1 = ROTL32(k1,15); k1 *= c2; \ h1 ^= k1; h1 = ROTL32(h1,13); h1 = h1*5+0xe6546b64; \ len += 8; \ } while(0) #define MURMUR_STRING(v) do { \ uint32_t mylen = strlen(v); \ int nblocks = mylen / 4; \ const uint32_t * blocks = (const uint32_t *)(v + nblocks*4); \ const uint8_t * tail; \ uint32_t k1; \ int i; \ for(i = -nblocks; i; i++) { \ uint32_t k1 = blocks[i]; \ k1 *= c1; k1 = ROTL32(k1,15); k1 *= c2; \ h1 ^= k1; h1 = ROTL32(h1,13); h1 = h1*5+0xe6546b64; \ } \ tail = (const uint8_t*)(v + nblocks*4); \ k1 = 0; \ switch(mylen & 3) { \ case 3: k1 ^= tail[2] << 16; \ case 2: k1 ^= tail[1] << 8; \ case 1: k1 ^= tail[0]; \ k1 *= c1; k1 = ROTL32(k1,15); k1 *= c2; h1 ^= k1; \ } \ len += mylen; \ } while (0) #if defined (KEY1_TYPE) #define KEY_ARITY 1 #if KEY1_TYPE == STRING #define KEY1TYPE char* #define KEY1NAME str #define KEY1N s #define KEY1STOR char key1[MAP_STRING_LENGTH] #define KEY1CPY(m) str_copy(m->key1, key1) #define KEY1_HASH MURMUR_STRING(key1) #else #define KEY1TYPE int64_t #define KEY1NAME int64 #define KEY1N i #define KEY1STOR int64_t key1 #define KEY1CPY(m) m->key1=key1 /* Instead of ... #define KEY1_HASH MURMUR_INT64(key1) We could do the quick & dirty kernel hash_64 for the first integer index. This would be faster, and may give reasonable dispersion with the retained final 32-bit mix. #define KEY1_HASH h1 ^= hash_64(key1,32) ... but hashing throughput is only slightly faster */ #define KEY1_HASH MURMUR_INT64(key1) #endif #define KEY1_EQ_P JOIN(KEY1NAME,eq_p) #endif /* defined(KEY1_TYPE) */ #if defined (KEY2_TYPE) #undef KEY_ARITY #define KEY_ARITY 2 #if KEY2_TYPE == STRING #define KEY2TYPE char* #define KEY2NAME str #define KEY2N s #define KEY2STOR char key2[MAP_STRING_LENGTH] #define KEY2CPY(m) str_copy(m->key2, key2) #define KEY2_HASH MURMUR_STRING(key2) #else #define KEY2TYPE int64_t #define KEY2NAME int64 #define KEY2N i #define KEY2STOR int64_t key2 #define KEY2CPY(m) m->key2=key2 #define KEY2_HASH MURMUR_INT64(key2) #endif #define KEY2_EQ_P JOIN(KEY2NAME,eq_p) #endif /* defined(KEY2_TYPE) */ #if defined (KEY3_TYPE) #undef KEY_ARITY #define KEY_ARITY 3 #if KEY3_TYPE == STRING #define KEY3TYPE char* #define KEY3NAME str #define KEY3N s #define KEY3STOR char key3[MAP_STRING_LENGTH] #define KEY3CPY(m) str_copy(m->key3, key3) #define KEY3_HASH MURMUR_STRING(key3) #else #define KEY3TYPE int64_t #define KEY3NAME int64 #define KEY3N i #define KEY3STOR int64_t key3 #define KEY3CPY(m) m->key3=key3 #define KEY3_HASH MURMUR_INT64(key3) #endif #define KEY3_EQ_P JOIN(KEY3NAME,eq_p) #endif /* defined(KEY3_TYPE) */ #if defined (KEY4_TYPE) #undef KEY_ARITY #define KEY_ARITY 4 #if KEY4_TYPE == STRING #define KEY4TYPE char* #define KEY4NAME str #define KEY4N s #define KEY4STOR char key4[MAP_STRING_LENGTH] #define KEY4CPY(m) str_copy(m->key4, key4) #define KEY4_HASH MURMUR_STRING(key4) #else #define KEY4TYPE int64_t #define KEY4NAME int64 #define KEY4N i #define KEY4STOR int64_t key4 #define KEY4CPY(m) m->key4=key4 #define KEY4_HASH MURMUR_INT64(key4) #endif #define KEY4_EQ_P JOIN(KEY4NAME,eq_p) #endif /* defined(KEY4_TYPE) */ #if defined (KEY5_TYPE) #undef KEY_ARITY #define KEY_ARITY 5 #if KEY5_TYPE == STRING #define KEY5TYPE char* #define KEY5NAME str #define KEY5N s #define KEY5STOR char key5[MAP_STRING_LENGTH] #define KEY5CPY(m) str_copy(m->key5, key5) #define KEY5_HASH MURMUR_STRING(key5) #else #define KEY5TYPE int64_t #define KEY5NAME int64 #define KEY5N i #define KEY5STOR int64_t key5 #define KEY5CPY(m) m->key5=key5 #define KEY5_HASH MURMUR_INT64(key5) #endif #define KEY5_EQ_P JOIN(KEY5NAME,eq_p) #endif /* defined(KEY5_TYPE) */ #if defined (KEY6_TYPE) #undef KEY_ARITY #define KEY_ARITY 6 #if KEY6_TYPE == STRING #define KEY6TYPE char* #define KEY6NAME str #define KEY6N s #define KEY6STOR char key6[MAP_STRING_LENGTH] #define KEY6CPY(m) str_copy(m->key6, key6) #define KEY6_HASH MURMUR_STRING(key6) #else #define KEY6TYPE int64_t #define KEY6NAME int64 #define KEY6N i #define KEY6STOR int64_t key6 #define KEY6CPY(m) m->key6=key6 #define KEY6_HASH MURMUR_INT64(key6) #endif #define KEY6_EQ_P JOIN(KEY6NAME,eq_p) #endif /* defined(KEY6_TYPE) */ #if defined (KEY7_TYPE) #undef KEY_ARITY #define KEY_ARITY 7 #if KEY7_TYPE == STRING #define KEY7TYPE char* #define KEY7NAME str #define KEY7N s #define KEY7STOR char key7[MAP_STRING_LENGTH] #define KEY7CPY(m) str_copy(m->key7, key7) #define KEY7_HASH MURMUR_STRING(key7) #else #define KEY7TYPE int64_t #define KEY7NAME int64 #define KEY7N i #define KEY7STOR int64_t key7 #define KEY7CPY(m) m->key7=key7 #define KEY7_HASH MURMUR_INT64(key7) #endif #define KEY7_EQ_P JOIN(KEY7NAME,eq_p) #endif /* defined(KEY7_TYPE) */ #if defined (KEY8_TYPE) #undef KEY_ARITY #define KEY_ARITY 8 #if KEY8_TYPE == STRING #define KEY8TYPE char* #define KEY8NAME str #define KEY8N s #define KEY8STOR char key8[MAP_STRING_LENGTH] #define KEY8CPY(m) str_copy(m->key8, key8) #define KEY8_HASH MURMUR_STRING(key8) #else #define KEY8TYPE int64_t #define KEY8NAME int64 #define KEY8N i #define KEY8STOR int64_t key8 #define KEY8CPY(m) m->key8=key8 #define KEY8_HASH MURMUR_INT64(key8) #endif #define KEY8_EQ_P JOIN(KEY8NAME,eq_p) #endif /* defined(KEY8_TYPE) */ #if defined (KEY9_TYPE) #undef KEY_ARITY #define KEY_ARITY 9 #if KEY9_TYPE == STRING #define KEY9TYPE char* #define KEY9NAME str #define KEY9N s #define KEY9STOR char key9[MAP_STRING_LENGTH] #define KEY9CPY(m) str_copy(m->key9, key9) #define KEY9_HASH MURMUR_STRING(key9) #else #define KEY9TYPE int64_t #define KEY9NAME int64 #define KEY9N i #define KEY9STOR int64_t key9 #define KEY9CPY(m) m->key9=key9 #define KEY9_HASH MURMUR_INT64(key9) #endif #define KEY9_EQ_P JOIN(KEY9NAME,eq_p) #endif /* defined(KEY9_TYPE) */ /* Not so many, cowboy! */ #if defined (KEY10_TYPE) #error "excessive key arity == too many array indexes" #endif #if KEY_ARITY == 1 #define KEYSYM(x) JOIN2(x,KEY1N,VALN) #define ALLKEYS(x) x##1 #define ALLKEYSD(x) KEY1TYPE x##1 #define KEYCPY(m) {KEY1CPY(m);} #define KEY_EQ_P(m) (KEY1_EQ_P(m->key1,key1)) #elif KEY_ARITY == 2 #define KEYSYM(x) JOIN3(x,KEY1N,KEY2N,VALN) #define ALLKEYS(x) x##1, x##2 #define ALLKEYSD(x) KEY1TYPE x##1, KEY2TYPE x##2 #define KEYCPY(m) {KEY1CPY(m);KEY2CPY(m);} #define KEY_EQ_P(m) (KEY1_EQ_P(m->key1,key1) && KEY2_EQ_P(m->key2,key2)) #elif KEY_ARITY == 3 #define KEYSYM(x) JOIN4(x,KEY1N,KEY2N,KEY3N,VALN) #define ALLKEYS(x) x##1, x##2, x##3 #define ALLKEYSD(x) KEY1TYPE x##1, KEY2TYPE x##2, KEY3TYPE x##3 #define KEYCPY(m) {KEY1CPY(m);KEY2CPY(m);KEY3CPY(m);} #define KEY_EQ_P(m) (KEY1_EQ_P(m->key1,key1) && KEY2_EQ_P(m->key2,key2) && KEY3_EQ_P(m->key3,key3)) #elif KEY_ARITY == 4 #define KEYSYM(x) JOIN5(x,KEY1N,KEY2N,KEY3N,KEY4N,VALN) #define ALLKEYS(x) x##1, x##2, x##3, x##4 #define ALLKEYSD(x) KEY1TYPE x##1, KEY2TYPE x##2, KEY3TYPE x##3, KEY4TYPE x##4 #define KEYCPY(m) {KEY1CPY(m);KEY2CPY(m);KEY3CPY(m);KEY4CPY(m);} #define KEY_EQ_P(m) (KEY1_EQ_P(m->key1,key1) && KEY2_EQ_P(m->key2,key2) && KEY3_EQ_P(m->key3,key3)\ && KEY4_EQ_P(m->key4,key4)) #elif KEY_ARITY == 5 #define KEYSYM(x) JOIN6(x,KEY1N,KEY2N,KEY3N,KEY4N,KEY5N,VALN) #define ALLKEYS(x) x##1, x##2, x##3, x##4, x##5 #define ALLKEYSD(x) KEY1TYPE x##1, KEY2TYPE x##2, KEY3TYPE x##3, KEY4TYPE x##4, KEY5TYPE x##5 #define KEYCPY(m) {KEY1CPY(m);KEY2CPY(m);KEY3CPY(m);KEY4CPY(m);KEY5CPY(m);} #define KEY_EQ_P(m) (KEY1_EQ_P(m->key1,key1) && KEY2_EQ_P(m->key2,key2) && KEY3_EQ_P(m->key3,key3)\ && KEY4_EQ_P(m->key4,key4) && KEY5_EQ_P(m->key5,key5)) #elif KEY_ARITY == 6 #define KEYSYM(x) JOIN7(x,KEY1N,KEY2N,KEY3N,KEY4N,KEY5N,KEY6N,VALN) #define ALLKEYS(x) x##1, x##2, x##3, x##4, x##5, x##6 #define ALLKEYSD(x) KEY1TYPE x##1, KEY2TYPE x##2, KEY3TYPE x##3, KEY4TYPE x##4, KEY5TYPE x##5, KEY6TYPE x##6 #define KEYCPY(m) {KEY1CPY(m);KEY2CPY(m);KEY3CPY(m);KEY4CPY(m);KEY5CPY(m);KEY6CPY(m);} #define KEY_EQ_P(m) (KEY1_EQ_P(m->key1,key1) && KEY2_EQ_P(m->key2,key2) && KEY3_EQ_P(m->key3,key3)\ && KEY4_EQ_P(m->key4,key4) && KEY5_EQ_P(m->key5,key5) && KEY6_EQ_P(m->key6,key6)) #elif KEY_ARITY == 7 #define KEYSYM(x) JOIN8(x,KEY1N,KEY2N,KEY3N,KEY4N,KEY5N,KEY6N,KEY7N,VALN) #define ALLKEYS(x) x##1, x##2, x##3, x##4, x##5, x##6, x##7 #define ALLKEYSD(x) KEY1TYPE x##1, KEY2TYPE x##2, KEY3TYPE x##3, KEY4TYPE x##4, KEY5TYPE x##5, KEY6TYPE x##6, KEY7TYPE x##7 #define KEYCPY(m) {KEY1CPY(m);KEY2CPY(m);KEY3CPY(m);KEY4CPY(m);KEY5CPY(m);KEY6CPY(m);KEY7CPY(m);} #define KEY_EQ_P(m) (KEY1_EQ_P(m->key1,key1) && KEY2_EQ_P(m->key2,key2) && KEY3_EQ_P(m->key3,key3)\ && KEY4_EQ_P(m->key4,key4) && KEY5_EQ_P(m->key5,key5) && KEY6_EQ_P(m->key6,key6)\ && KEY7_EQ_P(m->key7,key7)) #elif KEY_ARITY == 8 #define KEYSYM(x) JOIN9(x,KEY1N,KEY2N,KEY3N,KEY4N,KEY5N,KEY6N,KEY7N,KEY8N,VALN) #define ALLKEYS(x) x##1, x##2, x##3, x##4, x##5, x##6, x##7, x##8 #define ALLKEYSD(x) KEY1TYPE x##1, KEY2TYPE x##2, KEY3TYPE x##3, KEY4TYPE x##4, KEY5TYPE x##5, KEY6TYPE x##6, KEY7TYPE x##7, KEY8TYPE x##8 #define KEYCPY(m) {KEY1CPY(m);KEY2CPY(m);KEY3CPY(m);KEY4CPY(m);KEY5CPY(m);KEY6CPY(m);KEY7CPY(m);KEY8CPY(m);} #define KEY_EQ_P(m) (KEY1_EQ_P(m->key1,key1) && KEY2_EQ_P(m->key2,key2) && KEY3_EQ_P(m->key3,key3)\ && KEY4_EQ_P(m->key4,key4) && KEY5_EQ_P(m->key5,key5) && KEY6_EQ_P(m->key6,key6)\ && KEY7_EQ_P(m->key7,key7) && KEY8_EQ_P(m->key8,key8)) #elif KEY_ARITY == 9 #define KEYSYM(x) JOIN10(x,KEY1N,KEY2N,KEY3N,KEY4N,KEY5N,KEY6N,KEY7N,KEY8N,KEY9N,VALN) #define ALLKEYS(x) x##1, x##2, x##3, x##4, x##5, x##6, x##7, x##8, x##9 #define ALLKEYSD(x) KEY1TYPE x##1, KEY2TYPE x##2, KEY3TYPE x##3, KEY4TYPE x##4, KEY5TYPE x##5, KEY6TYPE x##6, KEY7TYPE x##7, KEY8TYPE x##8, KEY9TYPE x##9 #define KEYCPY(m) {KEY1CPY(m);KEY2CPY(m);KEY3CPY(m);KEY4CPY(m);KEY5CPY(m);KEY6CPY(m);KEY7CPY(m);KEY8CPY(m);KEY9CPY(m);} #define KEY_EQ_P(m) (KEY1_EQ_P(m->key1,key1) && KEY2_EQ_P(m->key2,key2) && KEY3_EQ_P(m->key3,key3)\ && KEY4_EQ_P(m->key4,key4) && KEY5_EQ_P(m->key5,key5) && KEY6_EQ_P(m->key6,key6)\ && KEY7_EQ_P(m->key7,key7) && KEY8_EQ_P(m->key8,key8) && KEY9_EQ_P(m->key9,key9)) #endif /* */ struct KEYSYM(map_node) { /* common node bits */ struct map_node node; KEY1STOR; #if KEY_ARITY > 1 KEY2STOR; #if KEY_ARITY > 2 KEY3STOR; #if KEY_ARITY > 3 KEY4STOR; #if KEY_ARITY > 4 KEY5STOR; #if KEY_ARITY > 5 KEY6STOR; #if KEY_ARITY > 6 KEY7STOR; #if KEY_ARITY > 7 KEY8STOR; #if KEY_ARITY > 8 KEY9STOR; #endif #endif #endif #endif #endif #endif #endif #endif VALSTOR; /* NB: the value must be last, because in the case of * stat_data we dynamically size its histogram[]. */ }; static inline struct KEYSYM(map_node)* KEYSYM(get_map_node) (struct map_node* m) { return container_of(m, struct KEYSYM(map_node), node); } #define type_to_enum(type) \ ({ \ int ret; \ if (__builtin_types_compatible_p (type, char*)) \ ret = STRING; \ else \ ret = INT64; \ ret; \ }) static key_data KEYSYM(map_get_key) (struct map_node *mn, int n, int *type) { key_data ptr; struct KEYSYM(map_node) *m = KEYSYM(get_map_node)(mn); if (n < 1) { if (type) *type = VALUE_TYPE; return (key_data)MAP_GET_VAL(m); } if (n > KEY_ARITY) { if (type) *type = END; return (key_data)(int64_t)0; } switch (n) { case 1: ptr = (key_data)m->key1; if (type) *type = type_to_enum(KEY1TYPE); break; #if KEY_ARITY > 1 case 2: ptr = (key_data)m->key2; if (type) *type = type_to_enum(KEY2TYPE); break; #if KEY_ARITY > 2 case 3: ptr = (key_data)m->key3; if (type) *type = type_to_enum(KEY3TYPE); break; #if KEY_ARITY > 3 case 4: ptr = (key_data)m->key4; if (type) *type = type_to_enum(KEY4TYPE); break; #if KEY_ARITY > 4 case 5: ptr = (key_data)m->key5; if (type) *type = type_to_enum(KEY5TYPE); break; #if KEY_ARITY > 5 case 6: ptr = (key_data)m->key6; if (type) *type = type_to_enum(KEY6TYPE); break; #if KEY_ARITY > 6 case 7: ptr = (key_data)m->key7; if (type) *type = type_to_enum(KEY7TYPE); break; #if KEY_ARITY > 7 case 8: ptr = (key_data)m->key8; if (type) *type = type_to_enum(KEY8TYPE); break; #if KEY_ARITY > 8 case 9: ptr = (key_data)m->key9; if (type) *type = type_to_enum(KEY9TYPE); break; #endif #endif #endif #endif #endif #endif #endif #endif default: ptr = (key_data)(int64_t)0; if (type) *type = END; } return ptr; } /** Return an int64 key from a map node. * This function will return an int64 key from a map_node. * @param mn pointer to the map_node. * @param n key number * @returns an int64 */ static int64_t KEYSYM(_stp_map_key_get_int64) (struct map_node *mn, int n) { int type; int64_t res = 0; if (mn) { res = KEYSYM(map_get_key)(mn, n, &type).val; if (type != INT64) res = 0; } return res; } /** Return a string key from a map node. * This function will return an string key from a map_node. * @param mn pointer to the map_node. * @param n key number * @returns a pointer to a string */ static char *KEYSYM(_stp_map_key_get_str) (struct map_node *mn, int n) { int type; char *str = ""; if (mn) { str = KEYSYM(map_get_key)(mn, n, &type).strp; if (type != STRING) str = "bad type"; } return str; } /** Return value from a map node. * This function will return the int64/str/stat value of a map_node. * @param m pointer to the map_node. * @returns a typed value. */ static VALTYPE KEYSYM(JOIN(_stp_map_get,VALNAME))(struct map_node *m) { return m ? MAP_GET_VAL(KEYSYM(get_map_node)(m)) : 0; } static void KEYSYM(_stp_map_sort) (MAP map, int keynum, int dir) { _stp_map_sort (map, keynum, dir, KEYSYM(map_get_key)); } static void KEYSYM(_stp_map_sortn) (MAP map, int n, int keynum, int dir) { _stp_map_sortn (map, n, keynum, dir, KEYSYM(map_get_key)); } static unsigned int KEYSYM(keycheck) (ALLKEYSD(key)) { #if KEY1_TYPE == STRING if (key1 == NULL) return 0; #endif #if KEY_ARITY > 1 #if KEY2_TYPE == STRING if (key2 == NULL) return 0; #endif #if KEY_ARITY > 2 #if KEY3_TYPE == STRING if (key3 == NULL) return 0; #endif #if KEY_ARITY > 3 #if KEY4_TYPE == STRING if (key4 == NULL) return 0; #endif #if KEY_ARITY > 4 #if KEY5_TYPE == STRING if (key5 == NULL) return 0; #endif #if KEY_ARITY > 5 #if KEY6_TYPE == STRING if (key6 == NULL) return 0; #endif #if KEY_ARITY > 6 #if KEY7_TYPE == STRING if (key7 == NULL) return 0; #endif #if KEY_ARITY > 7 #if KEY8_TYPE == STRING if (key8 == NULL) return 0; #endif #if KEY_ARITY > 8 #if KEY9_TYPE == STRING if (key9 == NULL) return 0; #endif #endif #endif #endif #endif #endif #endif #endif #endif return 1; } static uint32_t KEYSYM(hash) (ALLKEYSD(key)) /* NB: unscaled! */ { /* Open-code 32-bit murmurhash3 */ uint32_t len = 0; uint32_t h1 = stap_hash_seed; const uint32_t c1 = 0xcc9e2d51; const uint32_t c2 = 0x1b873593; KEY1_HASH; #if KEY_ARITY > 1 KEY2_HASH; #if KEY_ARITY > 2 KEY3_HASH; #if KEY_ARITY > 3 KEY4_HASH; #if KEY_ARITY > 4 KEY5_HASH; #if KEY_ARITY > 5 KEY6_HASH; #if KEY_ARITY > 6 KEY7_HASH; #if KEY_ARITY > 7 KEY8_HASH; #if KEY_ARITY > 8 KEY9_HASH; #endif #endif #endif #endif #endif #endif #endif #endif // finalization h1 ^= len; // fmix32 h1 ^= h1 >> 16; h1 *= 0x85ebca6b; h1 ^= h1 >> 13; h1 *= 0xc2b2ae35; h1 ^= h1 >> 16; return h1; } #if VALUE_TYPE == INT64 || VALUE_TYPE == STRING /* * _stp_map_new* () * @param max_entries (KEY_MAPENTRIES and associated parameter) * @param wrap (KEY_STAT_WRAP) */ static MAP KEYSYM(_stp_map_new) (int first_arg, ...) { int max_entries=0, wrap=0; int arg = first_arg; MAP m; va_list ap; va_start (ap, first_arg); do { switch (arg) { case KEY_MAPENTRIES: max_entries = va_arg(ap, int); break; case KEY_STAT_WRAP: wrap = 1; break; default: _stp_warn ("Unknown argument %d\n", arg); } arg = va_arg(ap, int); } while (arg); va_end (ap); m = _stp_map_new (max_entries, wrap, sizeof(struct KEYSYM(map_node)), -1); return m; } #else /* * _stp_map_new_key1_key2...val (num, wrap, HIST_LINEAR, start, end, interval) * @param num (KEY_MAPENTRIES and associated parameter) * @param wrap (KEY_STAT_WRAP) * @param htype (KEY_HIST_TYPE and associated parameters) */ static MAP KEYSYM(_stp_map_new) (int first_arg, ...) { int start=0, stop=0, interval=0, bit_shift=0; int max_entries=0, wrap=0, htype=0; int arg = first_arg; MAP m; va_list ap; va_start (ap, first_arg); do { switch (arg) { case KEY_MAPENTRIES: max_entries = va_arg(ap, int); break; case KEY_STAT_WRAP: wrap = 1; break; case KEY_HIST_TYPE: htype = va_arg(ap, int); if (htype == HIST_LINEAR) { start = va_arg(ap, int); stop = va_arg(ap, int); interval = va_arg(ap, int); } break; default: _stp_warn ("Unknown argument %d\n", arg); } arg = va_arg(ap, int); } while (arg); va_end (ap); switch (htype) { case HIST_NONE: m = _stp_map_new_hstat (max_entries, wrap, sizeof(struct KEYSYM(map_node))); break; case HIST_LOG: m = _stp_map_new_hstat_log (max_entries, wrap, sizeof(struct KEYSYM(map_node))); break; case HIST_LINEAR: m = _stp_map_new_hstat_linear (max_entries, wrap, sizeof(struct KEYSYM(map_node)), start, stop, interval); break; default: _stp_warn ("Unknown histogram type %d\n", htype); m = NULL; } return m; } #endif /* VALUE_TYPE */ static inline int KEYSYM(__stp_map_set) (MAP map, ALLKEYSD(key), VSTYPE val, int add, int s1, int s2, int s3, int s4, int s5) { unsigned int hv; struct mhlist_head *head; struct mhlist_node *e; struct KEYSYM(map_node) *n; if (map == NULL) return -2; if (KEYSYM(keycheck) (ALLKEYS(key)) == 0) return -2; hv = KEYSYM(hash) (ALLKEYS(key)) & map->hash_table_mask; head = &map->hashes[hv]; mhlist_for_each_entry(n, e, head, node.hnode) { if (KEY_EQ_P(n)) { return MAP_SET_VAL(map, n, val, add, s1, s2, s3, s4, s5); } } /* key not found */ n = KEYSYM(get_map_node)(_new_map_create (map, head)); if (n == NULL) return -1; KEYCPY(n); return MAP_SET_VAL(map, n, val, 0, s1, s2, s3, s4, s5); } static int KEYSYM(_stp_map_set) (MAP map, ALLKEYSD(key), VSTYPE val) { return KEYSYM(__stp_map_set) (map, ALLKEYS(key), val, 0, 1, 1, 1, 1, 1); } static int KEYSYM(_stp_map_add) (MAP map, ALLKEYSD(key), VSTYPE val) { return KEYSYM(__stp_map_set) (map, ALLKEYS(key), val, 1, 1, 1, 1, 1, 1); } static VALTYPE KEYSYM(_stp_map_get) (MAP map, ALLKEYSD(key)) { unsigned int hv; struct mhlist_head *head; struct mhlist_node *e; struct KEYSYM(map_node) *n; if (map == NULL) return NULLRET; hv = KEYSYM(hash) (ALLKEYS(key)) & map->hash_table_mask; head = &map->hashes[hv]; mhlist_for_each_entry(n, e, head, node.hnode) { if (KEY_EQ_P(n)) { return MAP_GET_VAL(n); } } /* key not found */ return NULLRET; } static int KEYSYM(_stp_map_del) (MAP map, ALLKEYSD(key)) { unsigned int hv; struct mhlist_head *head; struct mhlist_node *e; struct KEYSYM(map_node) *n; if (map == NULL) return -1; if (KEYSYM(keycheck) (ALLKEYS(key)) == 0) return -1; hv = KEYSYM(hash) (ALLKEYS(key)) & map->hash_table_mask; head = &map->hashes[hv]; mhlist_for_each_entry(n, e, head, node.hnode) { if (KEY_EQ_P(n)) { _new_map_del_node(map, &n->node); return 0; } } /* key not found */ return 0; } static int KEYSYM(_stp_map_del_hash) (MAP map, unsigned int hv /* scaled */, ALLKEYSD(key)) { struct mhlist_head *head; struct mhlist_node *e; struct KEYSYM(map_node) *n; if (map == NULL) return -1; head = &map->hashes[hv]; mhlist_for_each_entry(n, e, head, node.hnode) { if (KEY_EQ_P(n)) { _new_map_del_node(map, &n->node); return 0; } } /* key not found */ return 0; } static int KEYSYM(_stp_map_exists) (MAP map, ALLKEYSD(key)) { unsigned int hv; struct mhlist_head *head; struct mhlist_node *e; struct KEYSYM(map_node) *n; if (map == NULL) return 0; hv = KEYSYM(hash) (ALLKEYS(key)) & map->hash_table_mask; head = &map->hashes[hv]; mhlist_for_each_entry(n, e, head, node.hnode) { if (KEY_EQ_P(n)) { return 1; } } /* key not found */ return 0; } /* Pull in pmaps while all the defines are still in place. */ #ifdef MAP_DO_PMAP #include "pmap-gen.c" #endif #undef KEY1NAME #undef KEY1N #undef KEY1TYPE #undef KEY1_TYPE #undef KEY1STOR #undef KEY1CPY #undef KEY1_HASH #undef KEY2NAME #undef KEY2N #undef KEY2TYPE #undef KEY2_TYPE #undef KEY2STOR #undef KEY2CPY #undef KEY2_HASH #undef KEY3NAME #undef KEY3N #undef KEY3TYPE #undef KEY3_TYPE #undef KEY3STOR #undef KEY3CPY #undef KEY3_HASH #undef KEY4NAME #undef KEY4N #undef KEY4TYPE #undef KEY4_TYPE #undef KEY4STOR #undef KEY4CPY #undef KEY4_HASH #undef KEY5NAME #undef KEY5N #undef KEY5TYPE #undef KEY5_TYPE #undef KEY5STOR #undef KEY5CPY #undef KEY5_HASH #undef KEY6NAME #undef KEY6N #undef KEY6TYPE #undef KEY6_TYPE #undef KEY6STOR #undef KEY6CPY #undef KEY6_HASH #undef KEY7NAME #undef KEY7N #undef KEY7TYPE #undef KEY7_TYPE #undef KEY7STOR #undef KEY7CPY #undef KEY7_HASH #undef KEY8NAME #undef KEY8N #undef KEY8TYPE #undef KEY8_TYPE #undef KEY8STOR #undef KEY8CPY #undef KEY8_HASH #undef KEY9NAME #undef KEY9N #undef KEY9TYPE #undef KEY9_TYPE #undef KEY9STOR #undef KEY9CPY #undef KEY9_HASH #undef KEY_ARITY #undef ALLKEYS #undef ALLKEYSD #undef KEYCPY #undef KEYSYM #undef KEY_EQ_P #undef VALUE_TYPE #undef VALNAME #undef VALTYPE #undef VSTYPE #undef VALN #undef VALSTOR #undef MAP_COPY_VAL #undef MAP_SET_VAL #undef MAP_GET_VAL #undef NULLRET