diff options
| author | Mickael Guene <mickael.guene@st.com> | 2016-01-20 12:53:50 +0000 |
|---|---|---|
| committer | Nick Clifton <nickc@redhat.com> | 2016-01-20 12:53:50 +0000 |
| commit | 91f68a68f992e3f6c3da26c616b5257230bd1eec (patch) | |
| tree | 9e549da0d8aaacafb6231069425241f003357a14 /bfd | |
| parent | be56871ee8f65c51b9eee611532ed036a71a72e0 (diff) | |
Add support for an ARM specific 'y' section attribute flag to mark the section as NOREAD.
bfd/ChangeLog:
* elf32-arm.c ((elf32_arm_special_sections): Remove catch of noread
section using '.text.noread' pattern.
gas/ChangeLog:
* config/obj-elf.c (obj_elf_change_section) : Allow arm section with
SHF_ARM_NOREAD section flag.
* config/tc-arm.h (md_elf_section_letter) : Implement this hook to
handle letter 'y'.
(arm_elf_section_letter) : Declare it.
* config/tc-arm.c (arm_elf_section_letter): Handle letter 'y' to set
SHF_ARM_NOREAD section flag.
* doc/c-arm.texi (ARM section attribute 'y'): Document it.
gas/testsuite/ChangeLog:
* gas/arm/section-execute-only.s: New test case.
* gas/arm/section-execute-only.d: Expected output.
ld/testsuite/ChangeLog:
* ld-arm/thumb1-noread-not-present-mixing-two-section.s: Add 'y'
attribute usage.
* ld-arm/thumb1-noread-present-one-section.s: Likewise.
* ld-arm/thumb1-noread-present-two-section.s: Likewise.
* ld-arm/thumb1-input-section-flag-match.s: Likewise.
binutils/ChangeLog:
* readelf.c (get_elf_section_flags): Display y letter for section
with SHF_ARM_NOREAD section flag in readelf section output.
(process_section_headers): Add y letter in readelf section output
key mapping for ARM architecture.
Diffstat (limited to 'bfd')
| -rw-r--r-- | bfd/ChangeLog | 5 | ||||
| -rw-r--r-- | bfd/elf32-arm.c | 12 |
2 files changed, 5 insertions, 12 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index ed99d92880..739393d1e9 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,8 @@ +2016-01-20 Mickael Guene <mickael.guene@st.com> + + * elf32-arm.c (elf32_arm_special_sections): Remove catch of noread + section using '.text.noread' pattern. + 2016-01-19 John Baldwin <jhb@FreeBSD.org> * elf.c (elfcore_grok_note): Recognize NT_FREEBSD_THRMISC notes. diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index 1c52526b61..39b6153359 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -17839,16 +17839,6 @@ elf32_arm_get_synthetic_symtab (bfd *abfd, return n; } -static const struct bfd_elf_special_section -elf32_arm_special_sections[] = -{ -/* Catch sections with .text.noread prefix and apply allocate, execute and - noread section attributes. */ - { STRING_COMMA_LEN (".text.noread"), -2, SHT_PROGBITS, - SHF_ALLOC + SHF_EXECINSTR + SHF_ARM_NOREAD }, - { NULL, 0, 0, 0, 0 } -}; - static bfd_boolean elf32_arm_section_flags (flagword *flags, const Elf_Internal_Shdr * hdr) { @@ -17953,8 +17943,6 @@ elf32_arm_count_additional_relocs (asection *sec) #define elf_backend_obj_attrs_order elf32_arm_obj_attrs_order #define elf_backend_obj_attrs_handle_unknown elf32_arm_obj_attrs_handle_unknown -#undef elf_backend_special_sections -#define elf_backend_special_sections elf32_arm_special_sections #undef elf_backend_section_flags #define elf_backend_section_flags elf32_arm_section_flags #undef elf_backend_lookup_section_flags_hook |