* symtab.c (find_pc_sect_line): Revert change of 2001-11-13; add

comment explaining that hand-written assembly code can have line
number info but no debug info for an enclosing function.
This commit is contained in:
Jim Blandy 2001-11-27 00:03:22 +00:00
parent b82eaaea7a
commit b77b1eb785
2 changed files with 12 additions and 7 deletions

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@ -1,3 +1,9 @@
2001-11-26 Jim Blandy <jimb@redhat.com>
* symtab.c (find_pc_sect_line): Revert change of 2001-11-13; add
comment explaining that hand-written assembly code can have line
number info but no debug info for an enclosing function.
2001-11-26 Jakub Jelinek <jakub@redhat.com>
* sparc-nat.c (fetch_inferior_registers): Don't rely

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@ -1570,13 +1570,12 @@ find_pc_sect_line (CORE_ADDR pc, struct sec *section, int notcurrent)
INIT_SAL (&val); /* initialize to zeroes */
/* Don't even think about line numbers if we can't find a function
symbol for PC. */
if (find_pc_function (pc) == NULL)
{
val.pc = pc;
return val;
}
/* It's tempting to assume that, if we can't find debugging info for
any function enclosing PC, that we shouldn't search for line
number info, either. However, GAS can emit line number info for
assembly files --- very helpful when debugging hand-written
assembly code. In such a case, we'd have no debug info for the
function, but we would have line info. */
if (notcurrent)
pc -= 1;