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PR23570, AVR .noinit section defaults to PROGBITS

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Revert commit 8744470deab and instead use the standard special_sections
support.

	PR 23570
bfd/
	* elf32-avr.c (elf_avr_special_sections): New.
	(elf_backend_special_sections): Define.
gas/
	* config/tc-avr.c: Revert 2018-09-03 change.
This commit is contained in:
Alan Modra
2018-09-04 10:13:26 +09:30
parent f1628857d7
commit deee88e981
4 changed files with 18 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2018-09-06 Alan Modra <amodra@gmail.com>
PR 23570
* elf32-avr.c (elf_avr_special_sections): New.
(elf_backend_special_sections): Define.
2018-09-04 Jose E. Marchesi <jose.marchesi@oracle.com> 2018-09-04 Jose E. Marchesi <jose.marchesi@oracle.com>
* elfxx-sparc.c (_bfd_sparc_elf_info_to_howto): Do not issue an * elfxx-sparc.c (_bfd_sparc_elf_info_to_howto): Do not issue an

7
bfd/elf32-avr.c
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@ -708,6 +708,12 @@ static const struct avr_reloc_map avr_reloc_map[] =
{ BFD_RELOC_32_PCREL, R_AVR_32_PCREL} { BFD_RELOC_32_PCREL, R_AVR_32_PCREL}
}; };
static const struct bfd_elf_special_section elf_avr_special_sections[] =
{
{ STRING_COMMA_LEN (".noinit"), 0, SHT_NOBITS, SHF_ALLOC + SHF_WRITE },
{ NULL, 0, 0, 0, 0 }
};
/* Meant to be filled one day with the wrap around address for the /* Meant to be filled one day with the wrap around address for the
specific device. I.e. should get the value 0x4000 for 16k devices, specific device. I.e. should get the value 0x4000 for 16k devices,
0x8000 for 32k devices and so on. 0x8000 for 32k devices and so on.
@ -4256,5 +4262,6 @@ avr_elf32_property_record_name (struct avr_property_record *rec)
#define bfd_elf32_bfd_get_relocated_section_contents \ #define bfd_elf32_bfd_get_relocated_section_contents \
elf32_avr_get_relocated_section_contents elf32_avr_get_relocated_section_contents
#define bfd_elf32_new_section_hook elf_avr_new_section_hook #define bfd_elf32_new_section_hook elf_avr_new_section_hook
#define elf_backend_special_sections elf_avr_special_sections
#include "elf32-target.h" #include "elf32-target.h"

5
gas/ChangeLog
View File

@ -1,3 +1,8 @@
2018-09-06 Alan Modra <amodra@gmail.com>
PR 23570
* config/tc-avr.c: Revert 2018-09-03 change.
2018-09-04 Daniel Cederman <cederman@gaisler.com> 2018-09-04 Daniel Cederman <cederman@gaisler.com>
* config/tc-sparc.c (md_assemble): Allow non-fpop2 instructions * config/tc-sparc.c (md_assemble): Allow non-fpop2 instructions

19
gas/config/tc-avr.c
View File

@ -481,13 +481,11 @@ const char EXP_CHARS[] = "eE";
const char FLT_CHARS[] = "dD"; const char FLT_CHARS[] = "dD";
static void avr_set_arch (int); static void avr_set_arch (int);
static void avr_set_section (int);
/* The target specific pseudo-ops which we support. */ /* The target specific pseudo-ops which we support. */
const pseudo_typeS md_pseudo_table[] = const pseudo_typeS md_pseudo_table[] =
{ {
{"arch", avr_set_arch, 0}, {"arch", avr_set_arch, 0},
{"section", avr_set_section, 0},
{ NULL, NULL, 0} { NULL, NULL, 0}
}; };
@ -704,23 +702,6 @@ avr_set_arch (int dummy ATTRIBUTE_UNUSED)
bfd_set_arch_mach (stdoutput, TARGET_ARCH, avr_mcu->mach); bfd_set_arch_mach (stdoutput, TARGET_ARCH, avr_mcu->mach);
} }
static void
avr_set_section (int push)
{
obj_elf_section (push);
/* PR 23570. The .noinit section needs to be explicitly
set to the NOBITS type. */
if (seg_info (now_seg)->bss == 0
&& strcmp (bfd_get_section_name (stdoutput, now_seg), ".noinit") == 0)
{
bfd_set_section_flags (stdoutput, now_seg, SEC_ALLOC | SEC_RELOC);
seg_info (now_seg)->bss = 1;
elf_section_type (now_seg) = SHT_NOBITS;
elf_section_flags (now_seg) = SHF_ALLOC | SHF_WRITE;
}
}
int int
md_parse_option (int c, const char *arg) md_parse_option (int c, const char *arg)
{ {