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Do dbt
git-svn-id: file:///svn/tokudb@247 c7de825b-a66e-492c-adef-691d508d4ae1
This commit is contained in:
Bradley C. Kuszmaul
parent
0b19e86a34
commit
e3cd1f9826
2 changed files with 61 additions and 40 deletions
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@ -1,21 +1,19 @@
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/* Make a db.h that will be link-time compatible with Sleepycat's Berkeley DB. */
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#include <db.h>
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#include "../../mysql-5.0.27/mysql-5.0.27/bdb/build_win32/db.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <assert.h>
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DB db_dummy;
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#define DECL_LIMIT 100
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#define FIELD_LIMIT 100
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struct fieldinfo {
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char decl[DECL_LIMIT];
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unsigned int off;
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unsigned int size;
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} db_fields[FIELD_LIMIT];
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int db_field_counter=0;
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} fields[FIELD_LIMIT];
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int field_counter=0;
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int compare_fields (const void *av, const void *bv) {
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@ -26,10 +24,11 @@ int compare_fields (const void *av, const void *bv) {
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return 0;
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}
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#define DB_STRUCT_SETUP(name, fstring) ({ snprintf(db_fields[db_field_counter].decl, DECL_LIMIT, fstring, #name); \
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db_fields[db_field_counter].off = offsetof(DB, name); \
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db_fields[db_field_counter].size = sizeof(db_dummy.name); \
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db_field_counter++; })
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#define STRUCT_SETUP(typ, name, fstring) ({ snprintf(fields[field_counter].decl, DECL_LIMIT, fstring, #name); \
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fields[field_counter].off = __builtin_offsetof(typ, name); \
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{ typ dummy; \
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fields[field_counter].size = sizeof(dummy.name); } \
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field_counter++; })
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FILE *outf;
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void open_file (void) {
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@ -40,34 +39,49 @@ void open_file (void) {
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}
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void sample_offsets (void) {
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void sort_and_dump_fields (const char *structname) {
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int i;
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/* Do these in alphabetical order. */
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DB_STRUCT_SETUP(app_private, "void *%s");
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DB_STRUCT_SETUP(close, "int (*%s) (DB*, u_int32_t)");
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DB_STRUCT_SETUP(cursor, "int (*%s) (DB *, DB_TXN *, DBC **, u_int32_t)");
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DB_STRUCT_SETUP(del, "int (*%s) (DB *, DB_TXN *, DBT *, u_int32_t)");
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DB_STRUCT_SETUP(get, "int (*%s) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t)");
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DB_STRUCT_SETUP(key_range, "int (*%s) (DB *, DB_TXN *, DBT *, DB_KEY_RANGE *, u_int32_t)");
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DB_STRUCT_SETUP(open, "int (*%s) (DB *, DB_TXN *, const char *, const char *, DBTYPE, u_int32_t, int)");
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DB_STRUCT_SETUP(put, "int (*%s) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t)");
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DB_STRUCT_SETUP(remove, "int (*%s) (DB *, const char *, const char *, u_int32_t)");
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DB_STRUCT_SETUP(rename, "int (*%s) (DB *, const char *, const char *, const char *, u_int32_t)");
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DB_STRUCT_SETUP(set_bt_compare, "int (*%s) (DB *, int (*)(DB *, const DBT *, const DBT *))");
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DB_STRUCT_SETUP(set_flags, "int (*%s) (DB *, u_int32_t)");
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DB_STRUCT_SETUP(stat, "int (*%s) (DB *, void *, u_int32_t)");
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qsort(db_fields, db_field_counter, sizeof(db_fields[0]), compare_fields);
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fprintf(outf, "struct fieldinfo fields%d[] = {\n", __WORDSIZE);
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for (i=0; i<db_field_counter; i++) {
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fprintf(outf, " {\"%s\", %d, %d}", db_fields[i].decl, db_fields[i].off, db_fields[i].size);
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if (i+1<db_field_counter) fprintf(outf, ",");
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qsort(fields, field_counter, sizeof(fields[0]), compare_fields);
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fprintf(outf, "struct fieldinfo %s_fields%d[] = {\n", structname, __WORDSIZE);
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for (i=0; i<field_counter; i++) {
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fprintf(outf, " {\"%s\", %d, %d}", fields[i].decl, fields[i].off, fields[i].size);
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if (i+1<field_counter) fprintf(outf, ",");
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fprintf(outf, "\n");
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}
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fprintf(outf, "};\n");
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}
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void sample_db_offsets (void) {
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/* Do these in alphabetical order. */
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field_counter=0;
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STRUCT_SETUP(DB,app_private, "void *%s");
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STRUCT_SETUP(DB,close, "int (*%s) (DB*, u_int32_t)");
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STRUCT_SETUP(DB,cursor, "int (*%s) (DB *, DB_TXN *, DBC **, u_int32_t)");
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STRUCT_SETUP(DB,del, "int (*%s) (DB *, DB_TXN *, DBT *, u_int32_t)");
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STRUCT_SETUP(DB,get, "int (*%s) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t)");
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STRUCT_SETUP(DB,key_range, "int (*%s) (DB *, DB_TXN *, DBT *, DB_KEY_RANGE *, u_int32_t)");
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STRUCT_SETUP(DB,open, "int (*%s) (DB *, DB_TXN *, const char *, const char *, DBTYPE, u_int32_t, int)");
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STRUCT_SETUP(DB,put, "int (*%s) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t)");
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STRUCT_SETUP(DB,remove, "int (*%s) (DB *, const char *, const char *, u_int32_t)");
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STRUCT_SETUP(DB,rename, "int (*%s) (DB *, const char *, const char *, const char *, u_int32_t)");
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STRUCT_SETUP(DB,set_bt_compare, "int (*%s) (DB *, int (*)(DB *, const DBT *, const DBT *))");
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STRUCT_SETUP(DB,set_flags, "int (*%s) (DB *, u_int32_t)");
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STRUCT_SETUP(DB,stat, "int (*%s) (DB *, void *, u_int32_t)");
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sort_and_dump_fields("db");
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}
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void sample_dbt_offsets (void) {
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field_counter=0;
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STRUCT_SETUP(DBT,app_private, "void*%s");
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STRUCT_SETUP(DBT,data, "void*%s");
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STRUCT_SETUP(DBT,flags, "u_int32_t %s");
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STRUCT_SETUP(DBT,size, "u_int32_t %s");
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STRUCT_SETUP(DBT,ulen, "u_int32_t %s");
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sort_and_dump_fields("dbt");
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}
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int main (int argc __attribute__((__unused__)), char *argv[] __attribute__((__unused__))) {
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open_file();
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fprintf(outf, "/* BDB offsets on a %d-bit machine */\n", __WORDSIZE);
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sample_offsets();
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sample_db_offsets();
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sample_dbt_offsets();
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return 0;
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}
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@ -1,16 +1,23 @@
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/* BDB offsets on a 32-bit machine */
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struct fieldinfo fields32[] = {
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struct fieldinfo db_fields32[] = {
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{"void *app_private", 16, 4},
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{"int (*close) (DB*, u_int32_t)", 272, 4},
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{"int (*cursor) (DB *, DB_TXN *, DBC **, u_int32_t)", 276, 4},
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{"int (*del) (DB *, DB_TXN *, DBT *, u_int32_t)", 280, 4},
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{"int (*get) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t)", 300, 4},
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{"int (*key_range) (DB *, DB_TXN *, DBT *, DB_KEY_RANGE *, u_int32_t)", 364, 4},
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{"int (*open) (DB *, DB_TXN *, const char *, const char *, DBTYPE, u_int32_t, int)", 368, 4},
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{"int (*put) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t)", 372, 4},
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{"int (*remove) (DB *, const char *, const char *, u_int32_t)", 376, 4},
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{"int (*rename) (DB *, const char *, const char *, const char *, u_int32_t)", 380, 4},
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{"int (*set_flags) (DB *, u_int32_t)", 424, 4},
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{"int (*stat) (DB *, void *, u_int32_t)", 452, 4},
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{"int (*set_bt_compare) (DB *, int (*)(DB *, const DBT *, const DBT *))", 476, 4}
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{"int (*get) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t)", 296, 4},
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{"int (*key_range) (DB *, DB_TXN *, DBT *, DB_KEY_RANGE *, u_int32_t)", 316, 4},
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{"int (*open) (DB *, DB_TXN *, const char *, const char *, DBTYPE, u_int32_t, int)", 320, 4},
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{"int (*put) (DB *, DB_TXN *, DBT *, DBT *, u_int32_t)", 324, 4},
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{"int (*remove) (DB *, const char *, const char *, u_int32_t)", 328, 4},
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{"int (*rename) (DB *, const char *, const char *, const char *, u_int32_t)", 332, 4},
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{"int (*set_flags) (DB *, u_int32_t)", 380, 4},
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{"int (*stat) (DB *, void *, u_int32_t)", 396, 4},
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{"int (*set_bt_compare) (DB *, int (*)(DB *, const DBT *, const DBT *))", 412, 4}
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};
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struct fieldinfo dbt_fields32[] = {
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{"void*data", 0, 4},
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{"u_int32_t size", 4, 4},
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{"u_int32_t ulen", 8, 4},
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{"void*app_private", 20, 4},
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{"u_int32_t flags", 24, 4}
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};
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