MatCat.OpenSource/8sa1-binutils-gdb
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* symtab.h (enum address_class): Add LOC_UNRESOLVED for

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a location whose address has to be resolved via the minimal
	symbol table.
	* buildsym.c (finish_block), findvar.c (symbol_read_needs_frame,
	read_var_value), printcmd.c (address_info),
	symmisc.c (print_symbol, print_partial_symbol):  Handle
	LOC_UNRESOLVED.
	* stabsread.c (scan_file_globals):  Change unresolved LOC_STATIC
	symbols to LOC_UNRESOLVED. Remove rt_common_objfile lookup
	kludge, global common symbols are now handled by LOC_UNRESOLVED.
	(scan_file_globals_1):  Move code back to scan_file_globals,
	delete.
This commit is contained in:
Peter Schauer 1995-10-28 11:57:02 +00:00
parent 356c68ff62
commit b1027aa458
3 changed files with 36 additions and 35 deletions
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15
gdb/ChangeLog
View File

@ -1,3 +1,18 @@
Sat Oct 28 04:52:36 1995 Peter Schauer (pes@regent.e-technik.tu-muenchen.de)
* symtab.h (enum address_class): Add LOC_UNRESOLVED for
a location whose address has to be resolved via the minimal
symbol table.
* buildsym.c (finish_block), findvar.c (symbol_read_needs_frame,
read_var_value), printcmd.c (address_info),
symmisc.c (print_symbol, print_partial_symbol): Handle
LOC_UNRESOLVED.
* stabsread.c (scan_file_globals): Change unresolved LOC_STATIC
symbols to LOC_UNRESOLVED. Remove rt_common_objfile lookup
kludge, global common symbols are now handled by LOC_UNRESOLVED.
(scan_file_globals_1): Move code back to scan_file_globals,
delete.
Fri Oct 27 09:54:07 1995 Stu Grossman (grossman@cygnus.com)
* breakpoint.c (breakpoint_re_set): #ifdef GET_LONGJMP_TARGET

2
gdb/buildsym.c
View File

@ -260,6 +260,7 @@ finish_block (symbol, listhead, old_blocks, start, end, objfile)
case LOC_LOCAL_ARG:
case LOC_BASEREG:
case LOC_BASEREG_ARG:
case LOC_UNRESOLVED:
case LOC_OPTIMIZED_OUT:
default:
break;
@ -295,6 +296,7 @@ finish_block (symbol, listhead, old_blocks, start, end, objfile)
case LOC_LOCAL_ARG:
case LOC_BASEREG:
case LOC_BASEREG_ARG:
case LOC_UNRESOLVED:
case LOC_OPTIMIZED_OUT:
default:
break;

54
gdb/stabsread.c
View File

@ -189,7 +189,7 @@ struct complaint rs6000_builtin_complaint =
{"Unknown builtin type %d", 0, 0};
struct complaint unresolved_sym_chain_complaint =
{"%s: `%s' from global_sym_chain unresolved", 0, 0};
{"%s: common block `%s' from global_sym_chain unresolved", 0, 0};
struct complaint stabs_general_complaint =
{"%s", 0, 0};
@ -3884,13 +3884,10 @@ GDB internal error. cleanup_undefined_types with bad type %d.", 0, 0};
/* Scan through all of the global symbols defined in the object file,
assigning values to the debugging symbols that need to be assigned
to. Get these symbols from the minimal symbol table.
Return 1 if there might still be unresolved debugging symbols, else 0. */
to. Get these symbols from the minimal symbol table. */
static int scan_file_globals_1 PARAMS ((struct objfile *));
static int
scan_file_globals_1 (objfile)
void
scan_file_globals (objfile)
struct objfile *objfile;
{
int hash;
@ -3905,12 +3902,11 @@ scan_file_globals_1 (objfile)
break;
}
if (hash >= HASHSIZE)
return 0;
return;
if (objfile->msymbols == 0) /* Beware the null file. */
return 1;
for (msymbol = objfile -> msymbols; SYMBOL_NAME (msymbol) != NULL; msymbol++)
for (msymbol = objfile -> msymbols;
msymbol && SYMBOL_NAME (msymbol) != NULL;
msymbol++)
{
QUIT;
@ -3979,39 +3975,27 @@ scan_file_globals_1 (objfile)
}
}
}
return 1;
}
/* Assign values to global debugging symbols.
Search the passed objfile first, then try the runtime common symbols.
Complain about any remaining unresolved symbols and remove them
from the chain. */
void
scan_file_globals (objfile)
struct objfile *objfile;
{
int hash;
struct symbol *sym, *prev;
if (scan_file_globals_1 (objfile) == 0)
return;
if (rt_common_objfile && scan_file_globals_1 (rt_common_objfile) == 0)
return;
/* Change the storage class of any remaining unresolved globals to
LOC_UNRESOLVED and remove them from the chain. */
for (hash = 0; hash < HASHSIZE; hash++)
{
sym = global_sym_chain[hash];
while (sym)
{
complain (&unresolved_sym_chain_complaint,
objfile->name, SYMBOL_NAME (sym));
prev = sym;
sym = SYMBOL_VALUE_CHAIN (sym);
/* Change the symbol address from the misleading chain value
to address zero. */
prev = sym;
sym = SYMBOL_VALUE_CHAIN (sym);
SYMBOL_VALUE_ADDRESS (prev) = 0;
/* Complain about unresolved common block symbols. */
if (SYMBOL_CLASS (prev) == LOC_STATIC)
SYMBOL_CLASS (prev) = LOC_UNRESOLVED;
else
complain (&unresolved_sym_chain_complaint,
objfile->name, SYMBOL_NAME (prev));
}
}
memset (global_sym_chain, 0, sizeof (global_sym_chain));