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author | Jose E. Marchesi <jose.marchesi@oracle.com> | 2020-05-19 11:46:06 +0200 |
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committer | Jose E. Marchesi <jose.marchesi@oracle.com> | 2020-05-19 11:46:06 +0200 |
commit | 51e10276d6792f67f1d88d90f299e7ac1b1f1f24 (patch) | |
tree | db79e5d61bc6943638ff57d37f6b4ad2e1264a01 | |
parent | 00243d9a640a14413c4e051447e09741a543deae (diff) | |
download | gcc-51e10276d6792f67f1d88d90f299e7ac1b1f1f24.zip gcc-51e10276d6792f67f1d88d90f299e7ac1b1f1f24.tar.gz gcc-51e10276d6792f67f1d88d90f299e7ac1b1f1f24.tar.bz2 |
bpf: add support for the -mxbpf option
This patch adds support for a new option -mxbpf. This tells GCC to
generate code for an expanded version of BPF that relaxes some of the
restrictions imposed by BPF.
2020-05-19 Jose E. Marchesi <jose.marchesi@oracle.com>
gcc/
* config/bpf/bpf.opt (mxbpf): New option.
* doc/invoke.texi (Option Summary): Add -mxbpf.
(eBPF Options): Document -mxbbpf.
-rw-r--r-- | gcc/ChangeLog | 6 | ||||
-rw-r--r-- | gcc/config/bpf/bpf.opt | 6 | ||||
-rw-r--r-- | gcc/doc/invoke.texi | 6 |
3 files changed, 17 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 418fec4..ef3bcee 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2020-05-19 Jose E. Marchesi <jose.marchesi@oracle.com> + + * config/bpf/bpf.opt (mxbpf): New option. + * doc/invoke.texi (Option Summary): Add -mxbpf. + (eBPF Options): Document -mxbbpf. + 2020-05-19 Uroš Bizjak <ubizjak@gmail.com> PR target/92658 diff --git a/gcc/config/bpf/bpf.opt b/gcc/config/bpf/bpf.opt index 78b93c5..6aa8584 100644 --- a/gcc/config/bpf/bpf.opt +++ b/gcc/config/bpf/bpf.opt @@ -108,6 +108,12 @@ Enum(bpf_kernel) String(5.1) Value(LINUX_V5_1) EnumValue Enum(bpf_kernel) String(5.2) Value(LINUX_V5_2) +; Use xBPF extensions. + +mxbpf +Target Report Mask(XBPF) +Generate xBPF. + ; Selecting big endian or little endian targets. mbig-endian diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index 850aeac..0c33deb 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -862,7 +862,7 @@ Objective-C and Objective-C++ Dialects}. @emph{eBPF Options} @gccoptlist{-mbig-endian -mlittle-endian -mkernel=@var{version} --mframe-limit=@var{bytes}} +-mframe-limit=@var{bytes} -mxbpf} @emph{FR30 Options} @gccoptlist{-msmall-model -mno-lsim} @@ -21013,6 +21013,10 @@ Generate code for a big-endian target. @item -mlittle-endian @opindex mlittle-endian Generate code for a little-endian target. This is the default. + +@item -mxbpf +Generate code for an expanded version of BPF, which relaxes some of +the restrictions imposed by the BPF architecture. @end table @node FR30 Options |