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* stabsread.c (patch_block_stabs): Add comment about what happens 

if the definition is in another compilation unit from the stab.
This commit is contained in:
Jim Kingdon 1994-03-24 17:03:23 +00:00
parent b93e563cb7
commit 553e18620a
2 changed files with 9 additions and 10 deletions
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4
gdb/ChangeLog
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@ -1,7 +1,7 @@
Thu Mar 24 07:12:09 1994 Jim Kingdon (kingdon@lioth.cygnus.com)
* stabsread.c (patch_block_stabs): Don't create LOC_OPTIMIZED_OUT
symbols. Reverts change of 2 Apr 1993.
* stabsread.c (patch_block_stabs): Add comment about what happens
if the definition is in another compilation unit from the stab.
* dbxread.c (end_psymtab): Add comment about empty psymtabs.

15
gdb/stabsread.c
View File

@ -399,13 +399,13 @@ patch_block_stabs (symbols, stabs, objfile)
sym = find_symbol_in_list (symbols, name, pp-name);
if (!sym)
{
#if 0
/* The following code is disabled because AIX's xlc also
puts out a stab but no C_EXT in the case where a
symbol is referenced but not defined (in that
compilation unit). So we just don't create a symbol,
and the user will get the symbol from the compilation
unit in which the symbol is actually defined. */
/* FIXME-maybe: it would be nice if we noticed whether
the variable was defined *anywhere*, not just whether
it is defined in this compilation unit. But neither
xlc or GCC seem to need such a definition, and until
we do psymtabs (so that the minimal symbols from all
compilation units are available now), I'm not sure
how to get the information. */
/* On xcoff, if a global is defined and never referenced,
ld will remove it from the executable. There is then
@ -433,7 +433,6 @@ patch_block_stabs (symbols, stabs, objfile)
SYMBOL_TYPE (sym) = read_type (&pp, objfile);
}
add_symbol_to_list (sym, &global_symbols);
#endif /* 0 */
}
else
{