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* config/tc-ia64.c (start_unwind_section): Add linkonce_empty

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argument, don't do anything if current section is not
	.gnu.linkonce.t.* and linkonce_empty is set.
	(generate_unwind_image, dot_endp): Adjust callers, call
	start_unwind_section (*, 1) if nothing will be put into the
	section.
This commit is contained in:
Jakub Jelinek 2004-08-18 09:51:29 +00:00
parent 271d0fc399
commit d6afba4b7d
2 changed files with 21 additions and 4 deletions
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9
gas/ChangeLog
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@ -1,3 +1,12 @@
2004-08-18 Jakub Jelinek <jakub@redhat.com>
* config/tc-ia64.c (start_unwind_section): Add linkonce_empty
argument, don't do anything if current section is not
.gnu.linkonce.t.* and linkonce_empty is set.
(generate_unwind_image, dot_endp): Adjust callers, call
start_unwind_section (*, 1) if nothing will be put into the
section.
2004-08-17 Nick Clifton <nickc@redhat.com>
* as.c (MD_DEBUG_FORMAT_SELECTOR): Provide default definition.

16
gas/config/tc-ia64.c
View file

@ -1,5 +1,6 @@
/* tc-ia64.c -- Assembler for the HP/Intel IA-64 architecture.
Copyright 1998, 1999, 2000, 2001, 2002, 2003 Free Software Foundation, Inc.
Copyright 1998, 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
This file is part of GAS, the GNU Assembler.
@ -3297,7 +3298,7 @@ static char *special_linkonce_name[] =
};
static void
start_unwind_section (const segT text_seg, int sec_index)
start_unwind_section (const segT text_seg, int sec_index, int linkonce_empty)
{
/*
Use a slightly ugly scheme to derive the unwind section names from
@ -3359,6 +3360,8 @@ start_unwind_section (const segT text_seg, int sec_index)
prefix = special_linkonce_name [sec_index - SPECIAL_SECTION_UNWIND];
suffix += sizeof (".gnu.linkonce.t.") - 1;
}
else if (linkonce_empty)
return;
prefix_len = strlen (prefix);
suffix_len = strlen (suffix);
@ -3444,7 +3447,7 @@ generate_unwind_image (const segT text_seg)
expressionS exp;
bfd_reloc_code_real_type reloc;
start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO);
start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO, 0);
/* Make sure the section has 4 byte alignment for ILP32 and
8 byte alignment for LP64. */
@ -3485,6 +3488,8 @@ generate_unwind_image (const segT text_seg)
unwind.personality_routine = 0;
}
}
else
start_unwind_section (text_seg, SPECIAL_SECTION_UNWIND_INFO, 1);
free_saved_prologue_counts ();
unwind.list = unwind.tail = unwind.current_entry = NULL;
@ -4164,7 +4169,7 @@ dot_endp (dummy)
subseg_set (md.last_text_seg, 0);
unwind.proc_end = expr_build_dot ();
start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND);
start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND, 0);
/* Make sure that section has 4 byte alignment for ILP32 and
8 byte alignment for LP64. */
@ -4204,6 +4209,9 @@ dot_endp (dummy)
bytes_per_address);
}
else
start_unwind_section (saved_seg, SPECIAL_SECTION_UNWIND, 1);
subseg_set (saved_seg, saved_subseg);
/* Parse names of main and alternate entry points and set symbol sizes. */