git: 5a3add124127 - main - net-p2p/openethereum: Fix build on aarch64.

[Mikael Urankar]

The branch main has been updated by mikael:

URL: https://cgit.FreeBSD.org/ports/commit/?id=5a3add124127c5c1c6a2df9bebcd9856fe5b50b5

commit 5a3add124127c5c1c6a2df9bebcd9856fe5b50b5
Author:     Mikael Urankar <mikael at FreeBSD.org>
AuthorDate: 2021-09-24 13:23:29 +0000
Commit:     Mikael Urankar <mikael at FreeBSD.org>
CommitDate: 2021-09-24 14:13:05 +0000

    net-p2p/openethereum: Fix build on aarch64.
    
    Approved by:    portmgr (build fix blanket)
---
 .../patch-cargo-crates_ring-0.14.6_src_cpu.rs      | 118 +++++++++++++++++++++
 1 file changed, 118 insertions(+)

diff --git a/net-p2p/openethereum/files/patch-cargo-crates_ring-0.14.6_src_cpu.rs b/net-p2p/openethereum/files/patch-cargo-crates_ring-0.14.6_src_cpu.rs
new file mode 100644
index 000000000000..d2067e5b458e
--- /dev/null
+++ b/net-p2p/openethereum/files/patch-cargo-crates_ring-0.14.6_src_cpu.rs
@@ -0,0 +1,118 @@
+https://github.com/briansmith/ring/pull/1007
+
+--- cargo-crates/ring-0.14.6/src/cpu.rs.orig	2019-02-07 21:54:35 UTC
++++ cargo-crates/ring-0.14.6/src/cpu.rs
+@@ -52,6 +52,11 @@ pub(crate) fn features() -> Features {
+             {
+                 arm::fuchsia_setup();
+             }
++
++            #[cfg(all(target_os = "freebsd", any(target_arch = "aarch64", target_arch = "arm")))]
++            {
++                arm::freebsd_setup();
++            }
+         });
+     }
+ 
+@@ -153,6 +158,83 @@ pub(crate) mod arm {
+         }
+     }
+ 
++    #[cfg(all(target_os = "freebsd", any(target_arch = "aarch64", target_arch = "arm")))]
++    pub fn freebsd_setup() {
++        extern crate std;
++        use libc::{c_int, c_ulong, c_void};
++
++        extern "C" {
++            fn elf_aux_info(aux: c_int, buf: *mut c_void, buflen: c_int) -> c_int;
++        }
++
++        const AT_HWCAP: c_int = 25;
++
++        #[cfg(target_arch = "aarch64")]
++        const HWCAP_NEON: c_ulong = 1 << 1;
++
++        #[cfg(target_arch = "arm")]
++        const HWCAP_NEON: c_ulong = 1 << 12;
++
++        let caps: c_ulong = 0;
++        let buffer : *mut c_void = { let t: *const c_ulong = ∩︀ t} as *mut c_void;
++
++        unsafe {
++            let _ret = elf_aux_info(
++                AT_HWCAP,
++                buffer,
++                std::mem::size_of_val(&caps) as i32
++            );
++        }
++
++        // We assume NEON is available on AARCH64 because it is a required
++        // feature.
++        #[cfg(target_arch = "aarch64")]
++        debug_assert!(caps & HWCAP_NEON == HWCAP_NEON);
++
++        // OpenSSL and BoringSSL don't enable any other features if NEON isn't
++        // available.
++        if caps & HWCAP_NEON == HWCAP_NEON {
++            let mut features = NEON.mask;
++
++            #[cfg(target_arch = "aarch64")]
++            const OFFSET: c_ulong = 3;
++
++            #[cfg(target_arch = "arm")]
++            const OFFSET: c_ulong = 0;
++            #[cfg(target_arch = "arm")]
++            const AT_HWCAP2: c_int = 26;
++            #[cfg(target_arch = "arm")]
++            let caps: c_ulong = 0;
++            #[cfg(target_arch = "arm")]
++            let buffer : *mut c_void = { let t: *const c_ulong = ∩︀ t} as *mut c_void;
++
++            #[cfg(target_arch = "arm")]
++            unsafe {
++                let _ret = elf_aux_info(
++                    AT_HWCAP2,
++                    buffer,
++                    std::mem::size_of_val(&caps) as i32
++                );
++            };
++
++            const HWCAP_AES: c_ulong = 1 << 0 + OFFSET;
++            const HWCAP_PMULL: c_ulong = 1 << 1 + OFFSET;
++            const HWCAP_SHA2: c_ulong = 1 << 3 + OFFSET;
++
++            if caps & HWCAP_AES == HWCAP_AES {
++                features |= AES.mask;
++            }
++            if caps & HWCAP_PMULL == HWCAP_PMULL {
++                features |= PMULL.mask;
++            }
++            if caps & HWCAP_SHA2 == HWCAP_SHA2 {
++                features |= 1 << 4;
++            }
++
++            unsafe { GFp_armcap_P = features };
++        }
++    }
++
+     pub(crate) struct Feature {
+         #[cfg_attr(
+             any(
+@@ -176,7 +258,7 @@ pub(crate) mod arm {
+             }
+ 
+             #[cfg(all(
+-                any(target_os = "android", target_os = "linux", target_os = "fuchsia"),
++                any(target_os = "android", target_os = "linux", target_os = "fuchsia", target_os = "freebsd"),
+                 any(target_arch = "arm", target_arch = "aarch64")
+             ))]
+             {
+@@ -210,7 +292,7 @@ pub(crate) mod arm {
+     };
+ 
+     #[cfg(all(
+-        any(target_os = "android", target_os = "linux", target_os = "fuchsia"),
++        any(target_os = "android", target_os = "linux", target_os = "fuchsia", target_os = "freebsd"),
+         any(target_arch = "arm", target_arch = "aarch64")
+     ))]
+     extern "C" {