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binutils-gdb
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Bring over from r5900 branch.

This commit is contained in:
Jeff Law 1997-10-15 04:11:06 +00:00
parent 08ce71f5c4
commit 326ca4ee57
2 changed files with 30 additions and 6 deletions
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4
gdb/ChangeLog
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@ -1,3 +1,7 @@
Tue Oct 14 22:13:27 1997 Dawn Perchik <dawn@cygnus.com>
* stabsread.c: Make ref_map entries dynamically allocated.
Thu Oct 9 12:37:57 1997 Frank Ch. Eigler <fche@cygnus.com>
* printcmd.c (print_address_symbolic, address_info): Mask

32
gdb/stabsread.c
View File

@ -1145,15 +1145,27 @@ resolve_reference (p)
return sym;
}
#define MAX_CHUNK_REFS 100
#define REF_CHUNK_SIZE \
MAX_CHUNK_REFS * sizeof (struct ref_map_s)
#define REF_MAP_SIZE(ref_chunk) \
ref_chunk * REF_CHUNK_SIZE
/* Structure for storing pointers to reference definitions for fast lookup
during "process_later". */
#define MAX_REFS 100 /* FIXME! Change to use heap. */
static struct ref_map_s
{
char *stabs;
CORE_ADDR value;
struct symbol *sym;
} ref_map[MAX_REFS];
} *ref_map;
/* Ptr to free cell in chunk's linked list. */
static int ref_count = 0;
/* Number of chunks malloced. */
static int ref_chunk = 0;
/* Initialize our list of references.
This should be called before any symbol table is read.
@ -1161,12 +1173,12 @@ static struct ref_map_s
need to add something to disambiguate the refids. Or, it might be OK to
leave as is, as long as we read and process an object's symbol table all
at once. */
static int ref_count = 0; /* Ptr to free cell in linked list. */
static void
ref_init ()
{
ref_count = 0;
memset (ref_map, 0, MAX_REFS * sizeof (struct ref_map_s));
ref_chunk = 0;
}
/* Create array of pointers mapping refids to symbols and stab strings.
@ -1184,8 +1196,16 @@ ref_add (refnum, sym, stabs, value)
ref_init ();
if (refnum >= ref_count)
ref_count = refnum + 1;
if (ref_count > MAX_REFS)
error ("no more free slots in chain\n");
if (ref_count > ref_chunk * MAX_CHUNK_REFS)
{
int new_slots = ref_count - ref_chunk * MAX_CHUNK_REFS;
int new_chunks = new_slots / MAX_CHUNK_REFS + 1;
ref_map = realloc (ref_map, REF_MAP_SIZE(ref_chunk + new_chunks));
if (!ref_map)
error ("no more free slots in chain\n");
memset (ref_map + REF_MAP_SIZE(ref_chunk), 0, new_chunks * REF_CHUNK_SIZE);
ref_chunk += new_chunks;
}
ref_map[refnum].stabs = stabs;
ref_map[refnum].sym = sym;
ref_map[refnum].value = value;