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Code Issues Releases Activity

security/rustscan: Fix build on aarch64.

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This commit is contained in:
Mikael Urankar 2021-09-25 18:42:01 +02:00
parent 99ed6689d5
commit cb03ad8058
1 changed files with 127 additions and 0 deletions
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127
security/rustscan/files/patch-cargo-crates_ring-0.16.15 Normal file
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@ -0,0 +1,127 @@
--- cargo-crates/ring-0.16.15/Cargo.toml.orig 2020-06-16 23:27:06 UTC
+++ cargo-crates/ring-0.16.15/Cargo.toml
@@ -70,7 +70,7 @@ version = "1.3.1"
features = ["std"]
optional = true
default-features = false
-[target."cfg(any(target_os = \"android\", target_os = \"linux\"))".dependencies.libc]
+[target."cfg(any(target_os = \"android\", target_os = \"freebsd\", target_os = \"linux\"))".dependencies.libc]
version = "0.2.69"
default-features = false
[target."cfg(any(unix, windows))".dev-dependencies.libc]
--- cargo-crates/ring-0.16.15/src/cpu.rs.orig 2020-06-10 20:45:54 UTC
+++ cargo-crates/ring-0.16.15/src/cpu.rs
@@ -60,6 +60,11 @@ pub(crate) fn features() -> Features {
{
arm::fuchsia_setup();
}
+
+ #[cfg(all(target_os = "freebsd", any(target_arch = "aarch64", target_arch = "arm")))]
+ {
+ arm::freebsd_setup();
+ }
});
}
@@ -168,6 +173,83 @@ 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 = &caps; 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 = &caps; 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 };
+ }
+ }
+
#[cfg(not(target_arch = "wasm32"))]
pub(crate) struct Feature {
#[cfg_attr(
@@ -193,7 +275,7 @@ 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")
))]
{
@@ -239,7 +321,7 @@ 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" {