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[ARM] Change noread to purecode.

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bfd/ChangeLog
2016-07-05  Andre Vieria  <andre.simoesdiasvieira@arm.com>

        * bfd-in2.h (SEC_ELF_NOREAD): Rename to ...
          (SEC_ELF_PURECODE): ... this.
        * elf32-arm.c (elf32_arm_post_process_headers): Rename SEC_ELF_NOREAD
          to SEC_ELF_NOREAD.
          (elf32_arm_fake_sections): Likewise.
          (elf_32_arm_section_flags): Likewise.
          (elf_32_arm_lookup_section_flags): Likewise.
        * section.c (SEC_ELF_NOREAD): Rename to ...
          (SEC_ELF_PURECODE): ... this.

binutils/ChangeLog
2016-07-05  Andre Vieria  <andre.simoesdiasvieira@arm.com>

        * objdump.c (dump_section_header): Rename SEC_ELF_NOREAD
          to SEC_ELF_NOREAD.
        * readelf.c (get_elf_section_flags): Rename ARM_NOREAD to
          ARM_PURECODE and SHF_ARM_NOREAD to SHF_ARM_PURECODE.
          (process_section_headers): Rename noread to purecode.

        * section.c (SEC_ELF_NOREAD): Rename to ...
          (SEC_ELF_PURECODE): ... this.

include/ChangeLog
2016-07-05  Andre Vieria  <andre.simoesdiasvieira@arm.com>

        * elf/arm.h (SHF_ARM_NOREAD): Rename to ...
          (SHF_ARM_PURECODE): ... this.

ld/ChangeLog
2016-07-05  Andre Vieria  <andre.simoesdiasvieira@arm.com>

        * testsuite/ld-arm/arm_noread.ld: Renamed to ...
          testsuite/ld-arm/arm_purecode.ld: ... this, and replaced
          all noread's by purecode.
This commit is contained in:
Andre Vieria 2016-07-05 11:28:46 +01:00 committed by Richard Earnshaw
parent 1753ed6811
commit f0728ee368
11 changed files with 56 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
bfd/ChangeLog
View File

@ -1,3 +1,15 @@
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* bfd-in2.h (SEC_ELF_NOREAD): Rename to ...
(SEC_ELF_PURECODE): ... this.
* elf32-arm.c (elf32_arm_post_process_headers): Rename SEC_ELF_NOREAD
to SEC_ELF_NOREAD.
(elf32_arm_fake_sections): Likewise.
(elf_32_arm_section_flags): Likewise.
(elf_32_arm_lookup_section_flags): Likewise.
* section.c (SEC_ELF_NOREAD): Rename to ...
(SEC_ELF_PURECODE): ... this.
2016-07-01 Thomas Preud'homme <thomas.preudhomme@arm.com>
* elf32-arm.c (using_thumb2_bl): New function.

4
bfd/bfd-in2.h
View File

@ -1428,8 +1428,8 @@ typedef struct bfd_section
when memory read flag isn't set. */
#define SEC_COFF_NOREAD 0x40000000
/* Indicate that section has the no read flag set. */
#define SEC_ELF_NOREAD 0x80000000
/* Indicate that section has the purecode flag set. */
#define SEC_ELF_PURECODE 0x80000000
/* End of section flags. */

16
bfd/elf32-arm.c
View File

@ -15812,7 +15812,7 @@ elf32_arm_post_process_headers (bfd * abfd, struct bfd_link_info * link_info ATT
}
/* Scan segment to set p_flags attribute if it contains only sections with
SHF_ARM_NOREAD flag. */
SHF_ARM_PURECODE flag. */
for (m = elf_seg_map (abfd); m != NULL; m = m->next)
{
unsigned int j;
@ -15821,7 +15821,7 @@ elf32_arm_post_process_headers (bfd * abfd, struct bfd_link_info * link_info ATT
continue;
for (j = 0; j < m->count; j++)
{
if (!(elf_section_flags (m->sections[j]) & SHF_ARM_NOREAD))
if (!(elf_section_flags (m->sections[j]) & SHF_ARM_PURECODE))
break;
}
if (j == m->count)
@ -15884,8 +15884,8 @@ elf32_arm_fake_sections (bfd * abfd, Elf_Internal_Shdr * hdr, asection * sec)
hdr->sh_flags |= SHF_LINK_ORDER;
}
if (sec->flags & SEC_ELF_NOREAD)
hdr->sh_flags |= SHF_ARM_NOREAD;
if (sec->flags & SEC_ELF_PURECODE)
hdr->sh_flags |= SHF_ARM_PURECODE;
return TRUE;
}
@ -18171,16 +18171,16 @@ elf32_arm_get_synthetic_symtab (bfd *abfd,
static bfd_boolean
elf32_arm_section_flags (flagword *flags, const Elf_Internal_Shdr * hdr)
{
if (hdr->sh_flags & SHF_ARM_NOREAD)
*flags |= SEC_ELF_NOREAD;
if (hdr->sh_flags & SHF_ARM_PURECODE)
*flags |= SEC_ELF_PURECODE;
return TRUE;
}
static flagword
elf32_arm_lookup_section_flags (char *flag_name)
{
if (!strcmp (flag_name, "SHF_ARM_NOREAD"))
return SHF_ARM_NOREAD;
if (!strcmp (flag_name, "SHF_ARM_PURECODE"))
return SHF_ARM_PURECODE;
return SEC_NO_FLAGS;
}

4
bfd/section.c
View File

@ -361,8 +361,8 @@ CODE_FRAGMENT
. when memory read flag isn't set. *}
.#define SEC_COFF_NOREAD 0x40000000
.
. {* Indicate that section has the no read flag set. *}
.#define SEC_ELF_NOREAD 0x80000000
. {* Indicate that section has the purecode flag set. *}
.#define SEC_ELF_PURECODE 0x80000000
.
. {* End of section flags. *}
.

11
binutils/ChangeLog
View File

@ -1,3 +1,14 @@
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* objdump.c (dump_section_header): Rename SEC_ELF_NOREAD
to SEC_ELF_NOREAD.
* readelf.c (get_elf_section_flags): Rename ARM_NOREAD to
ARM_PURECODE and SHF_ARM_NOREAD to SHF_ARM_PURECODE.
(process_section_headers): Rename noread to purecode.
* section.c (SEC_ELF_NOREAD): Rename to ...
(SEC_ELF_PURECODE): ... this.
2016-07-01 Nick Clifton <nickc@redhat.com>
* prdbg.c (pr_enum_type): Use a buffer big enough to hold an

7
binutils/objdump.c
View File

@ -493,12 +493,7 @@ dump_section_header (bfd *abfd, asection *section,
PF (SEC_COFF_NOREAD, "NOREAD");
}
else if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
{
/* Note - sections can have both the READONLY and NOREAD attributes
set. In this case the NOREAD takes precedence, but we report both
since the user may need to know that both bits are set. */
PF (SEC_ELF_NOREAD, "NOREAD");
}
PF (SEC_ELF_PURECODE, "PURECODE");
PF (SEC_THREAD_LOCAL, "THREAD_LOCAL");
PF (SEC_GROUP, "GROUP");
if (bfd_get_arch (abfd) == bfd_arch_mep)

8
binutils/readelf.c
View File

@ -5399,7 +5399,7 @@ get_elf_section_flags (bfd_vma sh_flags)
/* 20 */ { STRING_COMMA_LEN ("COMPRESSED") },
/* ARM specific. */
/* 21 */ { STRING_COMMA_LEN ("ENTRYSECT") },
/* 22 */ { STRING_COMMA_LEN ("ARM_NOREAD") },
/* 22 */ { STRING_COMMA_LEN ("ARM_PURECODE") },
/* 23 */ { STRING_COMMA_LEN ("COMDEF") }
};
@ -5475,7 +5475,7 @@ get_elf_section_flags (bfd_vma sh_flags)
switch (flag)
{
case SHF_ENTRYSECT: sindex = 21; break;
case SHF_ARM_NOREAD: sindex = 22; break;
case SHF_ARM_PURECODE: sindex = 22; break;
case SHF_COMDEF: sindex = 23; break;
default: break;
}
@ -5534,7 +5534,7 @@ get_elf_section_flags (bfd_vma sh_flags)
&& flag == SHF_X86_64_LARGE)
*p = 'l';
else if (elf_header.e_machine == EM_ARM
&& flag == SHF_ARM_NOREAD)
&& flag == SHF_ARM_PURECODE)
*p = 'y';
else if (flag & SHF_MASKOS)
{
@ -6118,7 +6118,7 @@ process_section_headers (FILE * file)
|| elf_header.e_machine == EM_K1OM)
printf (_("l (large), "));
else if (elf_header.e_machine == EM_ARM)
printf (_("y (noread), "));
printf (_("y (purecode), "));
printf ("p (processor specific)\n");
}

5
include/ChangeLog
View File

@ -1,3 +1,8 @@
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* include/elf/arm.h (SHF_ARM_NOREAD): Rename to ...
(SHF_ARM_PURECODE): ... this.
2016-07-01 Szabolcs Nagy <szabolcs.nagy@arm.com>
* opcode/aarch64.h (AARCH64_CPU_HAS_ALL_FEATURES): New.

2
include/elf/arm.h
View File

@ -82,7 +82,7 @@
/* ARM-specific values for sh_flags. */
#define SHF_ENTRYSECT 0x10000000 /* Section contains an entry point. */
#define SHF_ARM_NOREAD 0x20000000 /* Section contains code that can be place on no read memory area. */
#define SHF_ARM_PURECODE 0x20000000 /* Section contains only code and no data. */
#define SHF_COMDEF 0x80000000 /* Section may be multiply defined in the input to a link step. */
/* ARM-specific program header flags. */

6
ld/ChangeLog
View File

@ -1,3 +1,9 @@
2016-07-05 Andre Vieria <andre.simoesdiasvieira@arm.com>
* testsuite/ld-arm/arm_noread.ld: Renamed to ...
testsuite/ld-arm/arm_purecode.ld: ... this, and replaced
all noread's by purecode.
2016-07-05 Jan Beulich <jbeulich@suse.com>
* ldexp.c (exp_fold_tree_1): Set linker_def field based on

8
ld/testsuite/ld-arm/arm_noread.ld → ld/testsuite/ld-arm/arm_purecode.ld
View File

@ -4,16 +4,16 @@ ENTRY(_start)
MEMORY
{
read_memory (rx) : ORIGIN = 0x00008000, LENGTH = 4M
noread_memory (!rx) : ORIGIN = 0x00800000, LENGTH = 4M
purecode_memory (!rx) : ORIGIN = 0x00800000, LENGTH = 4M
}
SECTIONS
{
/* Read-only sections, merged into text segment: */
PROVIDE (__executable_start = 0x8000); . = 0x8000;
.text.noread :
.text.purecode :
{
INPUT_SECTION_FLAGS (SHF_ARM_NOREAD) *(.text*)
} > noread_memory
INPUT_SECTION_FLAGS (SHF_ARM_PURECODE) *(.text*)
} > purecode_memory
.text :
{
*(.before)