From abebb03c3af215d7542f5e6b71d78823b15220d5 Mon Sep 17 00:00:00 2001 From: Martin Liska Date: Sat, 15 Aug 2020 19:46:33 +0200 Subject: gas/hash.c: add new functions The first of a patch series deleting the gas/hash.c hash table implementation and instead using libiberty/hashtab.c hash tables in gas. * as.h: Include hashtab.h. * hash.c (htab_insert): New. (htab_print_statistics): Likewise. * hash.h (htab_insert): Likewise. (htab_print_statistics): Likewise. --- gas/ChangeLog | 8 ++++++++ gas/as.h | 1 + gas/hash.c | 24 ++++++++++++++++++++++++ gas/hash.h | 8 ++++++++ 4 files changed, 41 insertions(+) diff --git a/gas/ChangeLog b/gas/ChangeLog index 2746361..acc5e01 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -1,3 +1,11 @@ +2020-08-20 Martin Liska + + * as.h: Include hashtab.h. + * hash.c (htab_insert): New. + (htab_print_statistics): Likewise. + * hash.h (htab_insert): Likewise. + (htab_print_statistics): Likewise. + 2020-08-19 Alan Modra * testsuite/gas/ppc/int128.s: Correct vcmpuq. diff --git a/gas/as.h b/gas/as.h index 7a72239..bc27822 100644 --- a/gas/as.h +++ b/gas/as.h @@ -565,6 +565,7 @@ int generic_force_reloc (struct fix *); #include "write.h" #include "frags.h" +#include "hashtab.h" #include "hash.h" #include "read.h" #include "symbols.h" diff --git a/gas/hash.c b/gas/hash.c index c484588..e6b4ef5 100644 --- a/gas/hash.c +++ b/gas/hash.c @@ -407,6 +407,30 @@ hash_print_statistics (FILE *f ATTRIBUTE_UNUSED, fprintf (f, "\t%lu empty slots\n", empty); #endif } + +/* Insert ELEMENT into HTAB. If the element exists, it is overwritten. */ + +void +htab_insert (htab_t htab, PTR element) +{ + void **slot = htab_find_slot (htab, element, INSERT); + if (slot != NULL && htab->del_f) + (*htab->del_f) (*slot); + + *slot = element; +} + +/* Print statistics about a hash table. */ + +void +htab_print_statistics (FILE *f, const char *name, htab_t table) +{ + fprintf (f, "%s hash statistics:\n", name); + fprintf (f, "\t%u searches\n", table->searches); + fprintf (f, "\t%u collisions\n", table->collisions); + fprintf (f, "\t%lu elements\n", (unsigned long) htab_elements (table)); + fprintf (f, "\t%lu table size\n", (unsigned long) htab_size (table)); +} #ifdef TEST diff --git a/gas/hash.h b/gas/hash.h index 444bcc2..f78cb73 100644 --- a/gas/hash.h +++ b/gas/hash.h @@ -85,4 +85,12 @@ extern void hash_traverse (struct hash_control *, extern void hash_print_statistics (FILE *, const char *name, struct hash_control *); +/* Insert ELEMENT into HTAB. If the element exists, it is overwritten. */ + +extern void htab_insert (htab_t, void *); + +/* Print statistics about a hash table. */ + +extern void htab_print_statistics (FILE *f, const char *name, htab_t table); + #endif /* HASH_H */ -- cgit v1.1