From cb3b8d911b227c9ae3ab62ba175688721f86f23e Mon Sep 17 00:00:00 2001 From: Jim Wilson Date: Wed, 23 Nov 2005 04:34:13 +0000 Subject: [PATCH] Fix PR 994, core dump with section switching. * config/tc-ia64.c (slot_index): Emit an error instead of a warning when the frag chain is broken by section switching. --- gas/ChangeLog | 3 +++ gas/config/tc-ia64.c | 21 ++++----------------- 2 files changed, 7 insertions(+), 17 deletions(-) diff --git a/gas/ChangeLog b/gas/ChangeLog index 614dc785245..c403707f806 100644 --- a/gas/ChangeLog +++ b/gas/ChangeLog @@ -3,6 +3,9 @@ * config/tc-ia64.c (emit_one_bundle): Perform last_slot < 0 check even when manual_bundling isn't set. + * config/tc-ia64.c (slot_index): Emit an error instead of a warning + when the frag chain is broken by section switching. + 2005-11-18 Jie Zhang * config/bfin-defs.h (IS_BREG, IS_LREG): New macros. diff --git a/gas/config/tc-ia64.c b/gas/config/tc-ia64.c index 699a64a7e23..2ac758660dd 100644 --- a/gas/config/tc-ia64.c +++ b/gas/config/tc-ia64.c @@ -2895,24 +2895,11 @@ slot_index (slot_addr, slot_frag, first_addr, first_frag, before_relax) first_addr = (unsigned long) &first_frag->fr_literal; /* This can happen if there is section switching in the middle of a - function, causing the frag chain for the function to be broken. */ + function, causing the frag chain for the function to be broken. + It is too difficult to recover safely from this problem, so we just + exit with an error. */ if (first_frag == NULL) - { - /* We get six warnings for one problem, because of the loop in - fixup_unw_records, and because fixup_unw_records is called 3 - times: once before creating the variant frag, once to estimate - its size, and once to relax it. This is unreasonable, so we use - a static var to make sure we only emit the warning once. */ - static int warned = 0; - - if (!warned) - { - as_warn ("Corrupted unwind info due to unsupported section switching"); - warned = 1; - } - - return index; - } + as_fatal ("Section switching in code is not supported."); } /* Add in the used part of the last frag. */ -- 2.30.2