aarch64: build rust

build/rust/build-arch-aarch64.sh

@@ -0,0 +1,105 @@
+#!/usr/bin/bash
+#
+# {{{ CDDL HEADER
+#
+# This file and its contents are supplied under the terms of the
+# Common Development and Distribution License ("CDDL"), version 1.0.
+# You may only use this file in accordance with the terms of version
+# 1.0 of the CDDL.
+#
+# A full copy of the text of the CDDL should have accompanied this
+# source. A copy of the CDDL is also available via the Internet at
+# http://www.illumos.org/license/CDDL.
+# }}}
+
+# Copyright 2024 OmniOS Community Edition (OmniOSce) Association.
+
+. ../../lib/build.sh
+
+PROG=rust
+PKG=ooce/developer/rust
+VER=1.83.0
+SUMMARY="Rust systems programming language"
+DESC="Rust is a systems programming language that runs blazingly fast, "
+DESC+="prevents segfaults, and guarantees thread safety."
+
+set_builddir ${PROG}c-${VER}-src
+
+OPREFIX=$PREFIX
+PREFIX+=/$PROG
+
+BUILD_DEPENDS_IPS="developer/gnu-binutils"
+# TODO: globbing only works reliably as long as we just have
+# one cross compiler version per arch.
+crossgccver=`pkg_ver aarch64/gcc*`
+crossgccver=${crossgccver%%.*}
+# `rustc` uses `gcc` as its linker. Other dependencies such as the C runtime
+# and linker are themselves pulled in as dependencies of the gcc package.
+RUN_DEPENDS_IPS="developer/gcc$crossgccver"
+
+# rust build requires the final install directory to be present
+[ -d "$PREFIX" ] || logcmd $PFEXEC mkdir -p $PREFIX
+
+XFORM_ARGS="
+    -DPREFIX=${PREFIX#/}
+    -DOPREFIX=${OPREFIX#/}
+    -DPROG=$PROG
+"
+
+SKIP_RTIME_CHECK=1
+SKIP_SSP_CHECK=1
+NO_SONAME_EXPECTED=1
+
+aarch64prefix=$CROSSTOOLS/aarch64/bin/${TRIPLETS[aarch64]}
+CONFIGURE_OPTS[aarch64]="
+    --prefix=$PREFIX
+    --sysconfdir=/etc$PREFIX
+    --localstatedir=/var$PREFIX
+    --set target.${RUSTTRIPLETS[aarch64]}.cc=$aarch64prefix-gcc
+    --set target.${RUSTTRIPLETS[aarch64]}.cxx=$aarch64prefix-g++
+    --set target.${RUSTTRIPLETS[aarch64]}.ar=$aarch64prefix-ar
+"
+CONFIGURE_OPTS+="
+    --release-description=OmniOS/$RELVER
+    --enable-vendor
+    --enable-local-rust
+    --enable-extended
+    --build=${RUSTTRIPLETS[$BUILD_ARCH]}
+    --host=${RUSTTRIPLETS[aarch64]}
+    --target=${RUSTTRIPLETS[aarch64]}
+    --enable-rpath
+    --enable-ninja
+    --disable-codegen-tests
+    --disable-dist-src
+    --disable-llvm-static-stdcpp
+    --disable-docs
+    --release-channel=stable
+    --python=$PYTHON
+"
+
+pre_configure() { :;
+    # rust needs to find the native gcc for bootstrapping
+    set_gccver $DEFAULT_GCC_VER
+
+    tripus=${RUSTTRIPLETS[aarch64]//-/_}
+    tripuc=${tripus^^}
+    export CARGO_TARGET_${tripuc}_RUSTFLAGS="
+        -C link-arg=--sysroot=${SYSROOT[aarch64]}
+    "
+    export CXXFLAGS_${tripus}="-mno-outline-atomics -mtls-dialect=trad"
+}
+
+pre_install() {
+    logcmd $MKDIR -p $DESTDIR/$PREFIX || logerr "failed to create directory"
+}
+
+init
+download_source $PROG ${PROG}c $VER-src
+patch_source
+prep_build autoconf-like
+build -noctf
+make_package
+clean_up
+
+# Vim hints
+# vim:ts=4:sw=4:et:fdm=marker

build/rust/build.sh

@@ -14,6 +14,7 @@
 
 # Copyright 2024 OmniOS Community Edition (OmniOSce) Association.
 
+. ../../lib/arch.sh
 . ../../lib/build.sh
 
 PROG=rust

build/rust/patches/0001-aarch64-cpu-feature-support-for-illumos.patch

@@ -0,0 +1,167 @@
+From 3e39942698fdc876135000d3fa12f5bad0eecfcc Mon Sep 17 00:00:00 2001
+From: Dominik Hassler <[email protected]>
+Date: Fri, 20 Dec 2024 15:17:18 +0000
+Subject: [PATCH] aarch64 cpu feature support for illumos
+
+---
+ compiler-rt/lib/builtins/cpu_model/aarch64.c  |   7 ++
+ .../cpu_model/aarch64/fmv/illumos.inc         | 109 ++++++++++++++++++
+ .../cpu_model/aarch64/lse_atomics/illumos.inc |   5 +
+ 3 files changed, 121 insertions(+)
+ create mode 100644 compiler-rt/lib/builtins/cpu_model/aarch64/fmv/illumos.inc
+ create mode 100644 compiler-rt/lib/builtins/cpu_model/aarch64/lse_atomics/illumos.inc
+
+diff --git a/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64.c b/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64.c
+index b868caa991b2..a789a9c47745 100644
+--- a/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64.c
++++ b/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64.c
+@@ -45,6 +45,11 @@ _Bool __aarch64_have_lse_atomics
+ #elif defined(__ANDROID__)
+ #include "aarch64/hwcap.inc"
+ #include "aarch64/lse_atomics/android.inc"
++#elif defined(__illumos__)
++// clang-format off: should not reorder sys/auxv.h alphabetically
++#include <sys/auxv.h>
++// clang-format on
++#include "aarch64/lse_atomics/illumos.inc"
+ #elif __has_include(<sys/auxv.h>)
+ #include "aarch64/hwcap.inc"
+ #include "aarch64/lse_atomics/sysauxv.inc"
+@@ -73,6 +78,8 @@ struct {
+ #elif defined(__ANDROID__)
+ #include "aarch64/fmv/mrs.inc"
+ #include "aarch64/fmv/android.inc"
++#elif defined(__illumos__)
++#include "aarch64/fmv/illumos.inc"
+ #elif __has_include(<sys/auxv.h>)
+ #include "aarch64/fmv/mrs.inc"
+ #include "aarch64/fmv/sysauxv.inc"
+diff --git a/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/fmv/illumos.inc b/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/fmv/illumos.inc
+new file mode 100644
+index 000000000000..2a968e1a1d1f
+--- /dev/null
++++ b/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/fmv/illumos.inc
+@@ -0,0 +1,109 @@
++#include <sys/auxv.h>
++#define HAVE_SYS_AUXV_H
++
++static void __init_cpu_features_constructor(unsigned long hwcap,
++                                            const __ifunc_arg_t *arg) {
++
++  uint64_t features = 0;
++  uint64_t hwcaps[] = { hwcap, arg->_hwcap2 };
++
++  static const struct hwcap_map_t {
++    uint32_t hw_cap;
++    uint32_t hw_index;
++    enum CPUFeatures hw_feature;
++  } hwcap_map[] = {
++    { AV_AARCH64_FP, 1, FEAT_FP },
++    { AV_AARCH64_ADVSIMD, 1, FEAT_SIMD },
++    { AV_AARCH64_SVE, 1, FEAT_SVE },
++    { AV_AARCH64_CRC32, 1, FEAT_CRC },
++    { AV_AARCH64_SB, 1, FEAT_SB },
++//    { AV_AARCH64_SSBS, 1, RESERVED_FEAT_SSBS},
++//    { AV_AARCH64_DGH, 1, RESERVED_FEAT_DGH},
++//    { AV_AARCH64_AES, 1, RESERVED_FEAT_AES},
++    { AV_AARCH64_PMULL, 1, FEAT_PMULL},
++//    { AV_AARCH64_SHA1, 1, RESERVED_FEAT_SHA1},
++    { AV_AARCH64_SHA256, 1, FEAT_SHA2},
++    { AV_AARCH64_SHA512, 1, FEAT_SHA2},
++    { AV_AARCH64_SHA3, 1, FEAT_SHA3},
++//    { AV_AARCH64_SM3, 1,
++//    { AV_AARCH64_SM4, 1,
++    { AV_AARCH64_LSE, 1, FEAT_LSE},
++    { AV_AARCH64_RDM, 1, FEAT_RDM},
++    { AV_AARCH64_FP16, 1, FEAT_FP16},
++    { AV_AARCH64_DOTPROD, 1, FEAT_DOTPROD},
++//    { AV_AARCH64_FHM, 1,
++//    { AV_AARCH64_DCPOP, 1,
++    { AV_AARCH64_F32MM, 1, FEAT_SVE_F32MM},
++    { AV_AARCH64_F64MM, 1, FEAT_SVE_F64MM},
++//    { AV_AARCH64_DCPODP, 1,
++    { AV_AARCH64_BF16, 1, FEAT_BF16},
++    { AV_AARCH64_I8MM, 1, FEAT_I8MM},
++    { AV_AARCH64_FCMA, 1, FEAT_FCMA},
++    { AV_AARCH64_JSCVT, 1, FEAT_JSCVT},
++    { AV_AARCH64_LRCPC, 1, FEAT_RCPC},
++//    { AV_AARCH64_PACA, 1,
++//    { AV_AARCH64_PACG, 1,
++    { AV_AARCH64_DIT, 1, FEAT_DIT},
++    { AV_AARCH64_2_FLAGM, 2, FEAT_FLAGM},
++    { AV_AARCH64_2_ILRCPC, 2, FEAT_RCPC},
++//    { AV_AARCH64_2_LSE2, 2,
++    { AV_AARCH64_2_FLAGM2, 2, FEAT_FLAGM2},
++    { AV_AARCH64_2_FRINTTS, 2, FEAT_FRINTTS},
++    { AV_AARCH64_2_BTI, 2, FEAT_BTI},
++    { AV_AARCH64_2_RNG, 2, FEAT_RNG},
++    { AV_AARCH64_2_MTE, 2, FEAT_MEMTAG2},
++//    { AV_AARCH64_2_MTE3, 2, RESERVED_FEAT_MEMTAG3},
++//    { AV_AARCH64_2_ECV, 2,
++//    { AV_AARCH64_2_AFP, 2,
++//    { AV_AARCH64_2_RPRES, 2, RESERVED_FEAT_RPRES},
++//    { AV_AARCH64_2_LD64B, 2,
++//    { AV_AARCH64_2_ST64BV, 2,
++//    { AV_AARCH64_2_ST64BV0, ,2
++    { AV_AARCH64_2_WFXT, 2, FEAT_WFXT},
++    { AV_AARCH64_2_MOPS, 2, FEAT_MOPS},
++//    { AV_AARCH64_2_HBC, 2,
++//    { AV_AARCH64_2_CMOW, 2,
++    { AV_AARCH64_2_SVE2, 2, FEAT_SVE2},
++//    { AV_AARCH64_2_SVE2_AES, 2, RESERVED_FEAT_SVE_AES},
++    { AV_AARCH64_2_SVE2_BITPERM, 2, FEAT_SVE_BITPERM},
++    { AV_AARCH64_2_SVE2_PMULL128, 2, FEAT_SVE_PMULL128},
++    { AV_AARCH64_2_SVE2_SHA3, 2, FEAT_SVE_SHA3},
++    { AV_AARCH64_2_SVE2_SM4, 2, FEAT_SVE_SM4},
++//    { AV_AARCH64_2_TME, 2,
++    { AV_AARCH64_2_SME, 2, FEAT_SME},
++//    { AV_AARCH64_2_SME_FA64, 2,
++//    { AV_AARCH64_2_EBF16, 2, RESERVED_FEAT_EBF16},
++    { AV_AARCH64_2_SME_F64F64, 2, FEAT_SME_F64},
++    { AV_AARCH64_2_SME_I16I64, 2, FEAT_SME_I64}
++  };
++
++  for (size_t i = 0; i < sizeof (hwcap_map) / sizeof (hwcap_map[0]); i++)
++    if (hwcaps[hwcap_map[i].hw_index - 1] & hwcap_map[i].hw_cap)
++      features |= (1ULL << hwcap_map[i].hw_feature);
++
++  __atomic_store_n(&__aarch64_cpu_features.features, features, __ATOMIC_RELAXED);
++}
++
++void __init_cpu_features_resolver(unsigned long hwcap,
++                                  const __ifunc_arg_t *arg) {
++  if (__atomic_load_n(&__aarch64_cpu_features.features, __ATOMIC_RELAXED))
++    return;
++  __init_cpu_features_constructor(hwcap, arg);
++}
++
++void CONSTRUCTOR_ATTRIBUTE __init_cpu_features(void) {
++  uint32_t hwcap[2] = {0};
++  // CPU features already initialized.
++  if (__atomic_load_n(&__aarch64_cpu_features.features, __ATOMIC_RELAXED))
++    return;
++
++  uint_t res = getisax(hwcap, 2);
++  if (res == 0)
++    return;
++
++  __ifunc_arg_t arg;
++  arg._size = sizeof(__ifunc_arg_t);
++  arg._hwcap = hwcap[0],
++  arg._hwcap2 = hwcap[1];
++  __init_cpu_features_constructor(hwcap[0], &arg);
++}
+diff --git a/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/lse_atomics/illumos.inc b/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/lse_atomics/illumos.inc
+new file mode 100644
+index 000000000000..78af1a19f48d
+--- /dev/null
++++ b/src/llvm-project/compiler-rt/lib/builtins/cpu_model/aarch64/lse_atomics/illumos.inc
+@@ -0,0 +1,5 @@
++static void CONSTRUCTOR_ATTRIBUTE init_have_lse_atomics(void) {
++  uint32_t hwcap = 0;
++  uint_t res = getisax(&hwcap, 1);
++  __aarch64_have_lse_atomics = res != 0 && (hwcap & AV_AARCH64_LSE) != 0;
++}
+-- 
+2.47.1
+

build/rust/patches/aarch64-eh_frame-ro.patch

@@ -3,7 +3,7 @@ Ensure .eh_frame is consistently read-only for aarch64
 diff -wpruN --no-dereference '--exclude=*.orig' a~/src/llvm-project/llvm/lib/MC/MCObjectFileInfo.cpp a/src/llvm-project/llvm/lib/MC/MCObjectFileInfo.cpp
 --- a~/src/llvm-project/llvm/lib/MC/MCObjectFileInfo.cpp	1970-01-01 00:00:00
 +++ a/src/llvm-project/llvm/lib/MC/MCObjectFileInfo.cpp	1970-01-01 00:00:00
-@@ -381,8 +381,10 @@ void MCObjectFileInfo::initELFMCObjectFi
+@@ -383,8 +383,10 @@ void MCObjectFileInfo::initELFMCObjectFi
    // Solaris requires different flags for .eh_frame to seemingly every other
    // platform.
    unsigned EHSectionFlags = ELF::SHF_ALLOC;

build/rust/patches/series

@@ -1,2 +1,2 @@
 aarch64-eh_frame-ro.patch
-aarch64-cpu-features.patch
+0001-aarch64-cpu-feature-support-for-illumos.patch

doc/baseline.aarch64

@@ -17,6 +17,7 @@ extra.omnios ooce/developer/cunit
 extra.omnios ooce/developer/git-absorb
 extra.omnios ooce/developer/ninja
 extra.omnios ooce/developer/protobuf
+extra.omnios ooce/developer/rust
 extra.omnios ooce/editor/joe
 extra.omnios ooce/file/tree
 extra.omnios ooce/fonts/liberation

doc/pkglist.aarch64

@@ -9,6 +9,7 @@
 # 	.SYSROOT	Wait, rebuild the repo, `pkg install *` to the
 #		 	arch-specific sysroot.
 
+ooce/developer/rust
 ooce/system/htop
 ooce/library/libogg
 ooce/library/nettle