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| 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 /binutils/doc | |
| parent | be56871ee8f65c51b9eee611532ed036a71a72e0 (diff) | |
| download | gdb-91f68a68f992e3f6c3da26c616b5257230bd1eec.zip gdb-91f68a68f992e3f6c3da26c616b5257230bd1eec.tar.gz gdb-91f68a68f992e3f6c3da26c616b5257230bd1eec.tar.bz2 | |
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 'binutils/doc')
| -rw-r--r-- | binutils/doc/binutils.texi | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/binutils/doc/binutils.texi b/binutils/doc/binutils.texi index 771100e..b173732 100644 --- a/binutils/doc/binutils.texi +++ b/binutils/doc/binutils.texi @@ -2125,6 +2125,11 @@ although @command{ld} relocates the sections correctly, using @samp{objdump Instead, it shows the usual addresses, which are implicit for the target. +Note, in some cases it is possible for a section to have both the +READONLY and the NOREAD attributes set. In such cases the NOREAD +attribute takes precedence, but @command{objdump} will report both +since the exact setting of the flag bits might be important. + @item -H @itemx --help Print a summary of the options to @command{objdump} and exit. |