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* stabsread.c (patch_block_stabs): If stab & no symbol, make

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a LOC_OPTIMIZED_OUT symbol.
	symtab.h (enum address_class): Add LOC_OPTIMIZED_OUT.
	findvar.c (read_var_value), printcmd.c (address_info),
	symmisc.c (print_{,partial_}symbol), c-exp.y (variable),
	m2-exp.y (yylex): Deal with it.
This commit is contained in:
Jim Kingdon
1993-04-02 19:35:30 +00:00
parent c209295fa5
commit 0848ad1c4d
6 changed files with 53 additions and 6 deletions
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29
gdb/stabsread.c
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@@ -382,9 +382,32 @@ patch_block_stabs (symbols, stabs, objfile)
sym = find_symbol_in_list (symbols, name, pp-name);
if (!sym)
{
#ifndef IBM6000_TARGET
printf ("ERROR! stab symbol not found!\n"); /* FIXME */
#endif
/* On xcoff, if a global is defined and never referenced,
ld will remove it from the executable. There is then
a N_GSYM stab for it, but no regular (C_EXT) symbol. */
sym = (struct symbol *)
obstack_alloc (&objfile->symbol_obstack,
sizeof (struct symbol));
memset (sym, 0, sizeof (struct symbol));
SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
SYMBOL_CLASS (sym) = LOC_OPTIMIZED_OUT;
SYMBOL_NAME (sym) =
obstack_copy0 (&objfile->symbol_obstack, name, pp - name);
pp += 2;
if (*(pp-1) == 'F' || *(pp-1) == 'f')
{
/* I don't think the linker does this with functions,
so as far as I know this is never executed.
But it doesn't hurt to check. */
SYMBOL_TYPE (sym) =
lookup_function_type (read_type (&pp, objfile));
}
else
{
SYMBOL_TYPE (sym) = read_type (&pp, objfile);
}
add_symbol_to_list (sym, &global_symbols);
}
else
{