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| author | Sudakshina Das <sudi.das@arm.com> | 2019-04-03 10:02:23 +0000 |
|---|---|---|
| committer | Sudakshina Das <sudi@gcc.gnu.org> | 2019-04-03 10:02:23 +0000 |
| commit | deb012a19d852a3decf241cb4f81f6f7a606df69 (patch) | |
| tree | 30f21c18b7394366b57038f93f0043d4c09d3e9e /gcc | |
| parent | 67a9a71183b2f51c1c96fbc5523504eb5834e44f (diff) | |
| download | gcc-deb012a19d852a3decf241cb4f81f6f7a606df69.zip gcc-deb012a19d852a3decf241cb4f81f6f7a606df69.tar.gz gcc-deb012a19d852a3decf241cb4f81f6f7a606df69.tar.bz2 | |
[GCC, DOCS, AArch64] Add missing documenation for mbranch-protection
This patch add the missing documentation bits for -mbranch-protection in both
extend.texi and invoke.texi.
*** gcc/ChangeLog ***
2019-04-03 Sudakshina Das <sudi.das@arm.com>
* doc/extend.texi: Add deprecated comment on sign-return-address
function attribute and add mbranch-protection.
* doc/invoke.texi: Add bti to the options for mbranch-protection.
From-SVN: r270119
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/doc/extend.texi | 10 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 4 |
3 files changed, 17 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 540c58a..0568d3b 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-04-03 Sudakshina Das <sudi.das@arm.com> + + * doc/extend.texi: Add deprecated comment on sign-return-address + function attribute and add mbranch-protection. + * doc/invoke.texi: Add bti to the options for mbranch-protection. + 2019-04-03 Richard Biener <rguenther@suse.de> PR lto/89896 diff --git a/gcc/doc/extend.texi b/gcc/doc/extend.texi index ef7adb6..8e0deac 100644 --- a/gcc/doc/extend.texi +++ b/gcc/doc/extend.texi @@ -3925,7 +3925,15 @@ same as for the @option{-mcpu=} command-line option. @cindex @code{sign-return-address} function attribute, AArch64 Select the function scope on which return address signing will be applied. The behavior and permissible arguments are the same as for the command-line option -@option{-msign-return-address=}. The default value is @code{none}. +@option{-msign-return-address=}. The default value is @code{none}. This +attribute is deprecated. The @code{branch-protection} attribute should +be used instead. + +@item branch-protection +@cindex @code{branch-protection} function attribute, AArch64 +Select the function scope on which branch protection will be applied. The +behavior and permissible arguments are the same as for the command-line option +@option{-mbranch-protection=}. The default value is @code{none}. @end table diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 0e179c6..cfc3063 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -632,7 +632,7 @@ Objective-C and Objective-C++ Dialects}. -mlow-precision-recip-sqrt -mlow-precision-sqrt -mlow-precision-div @gol -mpc-relative-literal-loads @gol -msign-return-address=@var{scope} @gol --mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf}] @gol +-mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf}]|@var{bti} @gol -march=@var{name} -mcpu=@var{name} -mtune=@var{name} @gol -moverride=@var{string} -mverbose-cost-dump @gol -mstack-protector-guard=@var{guard} -mstack-protector-guard-reg=@var{sysreg} @gol @@ -15878,7 +15878,7 @@ functions, and @samp{all}, which enables pointer signing for all functions. The default value is @samp{none}. This option has been deprecated by -mbranch-protection. -@item -mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf}] +@item -mbranch-protection=@var{none}|@var{standard}|@var{pac-ret}[+@var{leaf}]|@var{bti} @opindex mbranch-protection Select the branch protection features to use. @samp{none} is the default and turns off all types of branch protection. |