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Add support for ARM's NOREAD section flag.

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include/elf
     * arm.h: Add arm SHF_ARM_NOREAD section flag.

bfd  * bfd-in2.h: Regenerate.
     * section.c: Add SEC_ELF_NOREAD.
     * elf32-arm.c (elf32_arm_post_process_headers): Only set
     PF_X attribute if a segment only contains section with
     SHF_ARM_NOREAD flag.
     (elf32_arm_fake_sections): Add SEC_ELF_NOREAD conversion.
     (elf32_arm_section_flags): New function to convert SHF_ARM_NOREAD
     to bfd flag.
     (elf32_arm_lookup_section_flags): New function to allow
     INPUT_SECTION_FLAGS directive with SHF_ARM_NOREAD flag.
     (elf32_arm_special_sections): Add special sections array
     to catch section prefix by '.text.noread' pattern.

ld/testsuite
     * ld-arm/arm-elf.exp: New tests.
     * ld-arm/thumb1-input-section-flag-match.d: New
     * ld-arm/thumb1-input-section-flag-match.s: New
     * ld-arm/thumb1-noread-not-present-mixing-two-section.d: New
     * ld-arm/thumb1-noread-not-present-mixing-two-section.s: New
     * ld-arm/thumb1-noread-present-one-section.d: New
     * ld-arm/thumb1-noread-present-one-section.s: New
     * ld-arm/thumb1-noread-present-two-section.d: New
     * ld-arm/thumb1-noread-present-two-section.s: New

binutils
	* readelf.c (get_elf_section_flags): Add support for ARM specific
	section flags.
This commit is contained in:
Mickael Guene
2015-12-22 14:12:35 +00:00
committed by Nick Clifton
parent 6d265cb4a9
commit ac4c9b0459
20 changed files with 251 additions and 5 deletions
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3
bfd/section.c
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@@ -361,6 +361,9 @@ 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
.
. {* End of section flags. *}
.
. {* Some internal packed boolean fields. *}