bogus "ignoring changed section type" warning
Jan Beulich
JBeulich@novell.com
Mon Aug 31 14:14:00 GMT 2009
>>> Alan Modra <amodra@bigpond.net.au> 30.08.09 07:54 >>>
>On Fri, Aug 28, 2009 at 04:06:47PM +0100, Jan Beulich wrote:
>> Like this (2.19.1 based; I'd move it to mainline and formally submit if it seems
>> right)?
>
>Yes, preapproved.
Just for the record, this is the patch I'm about to commit.
Jan
bfd/
2009-08-31 Jan Beulich <jbeulich@novell.com>
* elf-bfd.h (bfd_elf_get_default_section_type): Declare.
* elf.c (bfd_elf_get_default_section_type): New.
(elf_fake_sections): Use bfd_elf_get_default_section_type.
gas/
2009-08-31 Jan Beulich <jbeulich@novell.com>
* config/obj-elf.c (obj_elf_change_section): Set default type
by calling bfd_elf_get_default_section_type.
gas/testsuite/
2009-08-31 Jan Beulich <jbeulich@novell.com>
* gas/elf/section5.l: Remove no longer issued warning pattern.
--- 2009-08-31/bfd/elf-bfd.h 2009-07-23 15:06:29.000000000 +0200
+++ 2009-08-31/bfd/elf-bfd.h 2009-08-31 10:07:16.000000000 +0200
@@ -2108,6 +2108,8 @@ extern bfd_boolean _bfd_elf_map_sections
extern bfd_boolean _bfd_elf_is_function_type (unsigned int);
+extern int bfd_elf_get_default_section_type (flagword);
+
extern Elf_Internal_Phdr * _bfd_elf_find_segment_containing_section
(bfd * abfd, asection * section);
--- 2009-08-31/bfd/elf.c 2009-08-31 09:54:15.000000000 +0200
+++ 2009-08-31/bfd/elf.c 2009-08-31 10:07:16.000000000 +0200
@@ -2422,6 +2422,18 @@ _bfd_elf_init_reloc_shdr (bfd *abfd,
return TRUE;
}
+/* Return the default section type based on the passed in section flags. */
+
+int
+bfd_elf_get_default_section_type (flagword flags)
+{
+ if ((flags & SEC_ALLOC) != 0
+ && ((flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0
+ || (flags & SEC_NEVER_LOAD) != 0))
+ return SHT_NOBITS;
+ return SHT_PROGBITS;
+}
+
/* Set up an ELF internal section header for a section. */
static void
@@ -2471,12 +2483,8 @@ elf_fake_sections (bfd *abfd, asection *
asect->flags. */
if ((asect->flags & SEC_GROUP) != 0)
sh_type = SHT_GROUP;
- else if ((asect->flags & SEC_ALLOC) != 0
- && (((asect->flags & (SEC_LOAD | SEC_HAS_CONTENTS)) == 0)
- || (asect->flags & SEC_NEVER_LOAD) != 0))
- sh_type = SHT_NOBITS;
else
- sh_type = SHT_PROGBITS;
+ sh_type = bfd_elf_get_default_section_type (asect->flags);
if (this_hdr->sh_type == SHT_NULL)
this_hdr->sh_type = sh_type;
--- 2009-08-31/gas/config/obj-elf.c 2009-08-31 09:54:18.000000000 +0200
+++ 2009-08-31/gas/config/obj-elf.c 2009-08-31 10:07:16.000000000 +0200
@@ -685,6 +685,8 @@ obj_elf_change_section (const char *name
{
symbolS *secsym;
+ if (type == SHT_NULL)
+ type = bfd_elf_get_default_section_type (flags);
elf_section_type (sec) = type;
elf_section_flags (sec) = attr;
--- 2009-08-31/gas/testsuite/gas/elf/section5.l 2005-01-18 10:43:34.000000000 +0100
+++ 2009-08-31/gas/testsuite/gas/elf/section5.l 2009-08-31 10:07:16.000000000 +0200
@@ -2,7 +2,6 @@
.*:7: Warning: .*
.*:7: Warning: .*
.*:10: Warning: .*
-.*:13: Warning: .*
.*:16: Warning: .*
.*:18: Warning: .*
.*:20: Warning: .*
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