Auto merge of #1041 - bachp:module-init, r=alexcrichton

Add MODULE_INIT_ constants

These are flags required to implement the linux kernel loading mechanism.
Specifically finit_module.

Author: bors

ci/docker/aarch64-unknown-linux-musl/Dockerfile

@@ -3,21 +3,21 @@ FROM ubuntu:17.10
 RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \
   gcc-aarch64-linux-gnu qemu-user
-RUN curl https://www.musl-libc.org/releases/musl-1.1.16.tar.gz | \
+RUN curl https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
     tar xzf - && \
-    cd musl-1.1.16 && \
+    cd musl-1.1.19 && \
     CC=aarch64-linux-gnu-gcc \
     ./configure --prefix=/musl-aarch64 --enable-wrapper=yes && \
     make install -j4 && \
     cd .. && \
-    rm -rf musl-1.1.16 && \
+    rm -rf musl-1.1.19
 # Install linux kernel headers sanitized for use with musl
-    curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-5.tar.gz | \
+RUN curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
     tar xzf - && \
-    cd kernel-headers-3.12.6-5 && \
+    cd kernel-headers-3.12.6-6 && \
     make ARCH=arm64 prefix=/musl-aarch64 install -j4 && \
     cd .. && \
-    rm -rf kernel-headers-3.12.6-5
+    rm -rf kernel-headers-3.12.6-6
 
 # FIXME: shouldn't need the `-lgcc` here, shouldn't that be in libstd?
 ENV PATH=$PATH:/musl-aarch64/bin:/rust/bin \

ci/docker/arm-unknown-linux-musleabihf/Dockerfile

@@ -4,21 +4,21 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates \
   gcc-arm-linux-gnueabihf qemu-user
 
-RUN curl https://www.musl-libc.org/releases/musl-1.1.16.tar.gz | tar xzf -
-WORKDIR /musl-1.1.16
+RUN curl https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | tar xzf -
+WORKDIR /musl-1.1.19
 RUN CC=arm-linux-gnueabihf-gcc \
     CFLAGS="-march=armv6 -marm" \
     ./configure --prefix=/musl-arm --enable-wrapper=yes
 RUN make install -j4
 
 # Install linux kernel headers sanitized for use with musl
-RUN \
-    curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-5.tar.gz | \
+RUN curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
     tar xzf - && \
-    cd kernel-headers-3.12.6-5 && \
+    cd kernel-headers-3.12.6-6 && \
     make ARCH=arm prefix=/musl-arm install -j4 && \
     cd .. && \
-    rm -rf kernel-headers-3.12.6-5
+    rm -rf kernel-headers-3.12.6-6
+
 ENV PATH=$PATH:/musl-arm/bin:/rust/bin \
     CC_arm_unknown_linux_musleabihf=musl-gcc \
     CARGO_TARGET_ARM_UNKNOWN_LINUX_MUSLEABIHF_LINKER=musl-gcc \

ci/docker/i686-unknown-linux-musl/Dockerfile

@@ -12,19 +12,20 @@ RUN apt-get install -y --no-install-recommends \
 #   since otherwise the script will fail to find a compiler.
 # * We manually unset CROSS_COMPILE when running make; otherwise the makefile
 #   will call the non-existent binary 'i686-ar'.
-RUN curl https://www.musl-libc.org/releases/musl-1.1.15.tar.gz | \
+RUN curl https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
     tar xzf - && \
-    cd musl-1.1.15 && \
+    cd musl-1.1.19 && \
     CC=gcc CFLAGS=-m32 ./configure --prefix=/musl-i686 --disable-shared --target=i686 && \
     make CROSS_COMPILE= install -j4 && \
     cd .. && \
-    rm -rf musl-1.1.15 && \
+    rm -rf musl-1.1.19
 # Install linux kernel headers sanitized for use with musl
-    curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-5.tar.gz | \
+RUN curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
     tar xzf - && \
-    cd kernel-headers-3.12.6-5 && \
+    cd kernel-headers-3.12.6-6 && \
     make ARCH=i386 prefix=/musl-i686 install -j4 && \
     cd .. && \
-    rm -rf kernel-headers-3.12.6-5
+    rm -rf kernel-headers-3.12.6-6
+
 ENV PATH=$PATH:/musl-i686/bin:/rust/bin \
     CC_i686_unknown_linux_musl=musl-gcc

ci/docker/sparc64-unknown-linux-gnu/Dockerfile

@@ -5,7 +5,10 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
         gcc libc6-dev \
         gcc-sparc64-linux-gnu libc6-dev-sparc64-cross \
         qemu-system-sparc64 openbios-sparc seabios ipxe-qemu \
-        p7zip-full cpio
+        p7zip-full cpio linux-libc-dev-sparc64-cross linux-headers-4.9.0-3-common
+
+# Put linux/module.h into the right spot as it is not shipped by debian
+RUN cp /usr/src/linux-headers-4.9.0-3-common/include/uapi/linux/module.h /usr/sparc64-linux-gnu/include/linux/
 
 COPY linux-sparc64.sh /
 RUN bash /linux-sparc64.sh

ci/docker/x86_64-unknown-linux-musl/Dockerfile

@@ -3,18 +3,18 @@ FROM ubuntu:17.10
 RUN apt-get update
 RUN apt-get install -y --no-install-recommends \
   gcc make libc6-dev git curl ca-certificates
-RUN curl https://www.musl-libc.org/releases/musl-1.1.15.tar.gz | \
+RUN curl https://www.musl-libc.org/releases/musl-1.1.19.tar.gz | \
     tar xzf - && \
-    cd musl-1.1.15 && \
+    cd musl-1.1.19 && \
     ./configure --prefix=/musl-x86_64 && \
     make install -j4 && \
     cd .. && \
-    rm -rf musl-1.1.15 && \
+    rm -rf musl-1.1.19
 # Install linux kernel headers sanitized for use with musl
-    curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-5.tar.gz | \
+RUN curl -L  https://github.com/sabotage-linux/kernel-headers/archive/v3.12.6-6.tar.gz | \
     tar xzf - && \
-    cd kernel-headers-3.12.6-5 && \
+    cd kernel-headers-3.12.6-6 && \
     make ARCH=x86_64 prefix=/musl-x86_64 install -j4 && \
     cd .. && \
-    rm -rf kernel-headers-3.12.6-5
+    rm -rf kernel-headers-3.12.6-6
 ENV PATH=$PATH:/musl-x86_64/bin:/rust/bin

libc-test/build.rs

@@ -272,6 +272,7 @@ fn main() {
 
     if linux || android {
         cfg.header("sys/fsuid.h");
+        cfg.header("linux/module.h");
         cfg.header("linux/seccomp.h");
         cfg.header("linux/if_ether.h");
         cfg.header("linux/if_tun.h");

src/unix/notbsd/android/mod.rs

@@ -1458,6 +1458,10 @@ pub const SIOCSRARP: ::c_ulong = 0x00008962;
 pub const SIOCGIFMAP: ::c_ulong = 0x00008970;
 pub const SIOCSIFMAP: ::c_ulong = 0x00008971;
 
+// linux/module.h
+pub const MODULE_INIT_IGNORE_MODVERSIONS: ::c_uint = 0x0001;
+pub const MODULE_INIT_IGNORE_VERMAGIC: ::c_uint = 0x0002;
+
 // Similarity to Linux it's not used but defined for compatibility.
 pub const ENOATTR: ::c_int = ::ENODATA;
 

src/unix/notbsd/linux/mod.rs

@@ -1498,6 +1498,10 @@ pub const ARPD_LOOKUP: ::c_ushort = 0x02;
 pub const ARPD_FLUSH: ::c_ushort = 0x03;
 pub const ATF_MAGIC: ::c_int = 0x80;
 
+// linux/module.h
+pub const MODULE_INIT_IGNORE_MODVERSIONS: ::c_uint = 0x0001;
+pub const MODULE_INIT_IGNORE_VERMAGIC: ::c_uint = 0x0002;
+
 f! {
     pub fn CPU_ZERO(cpuset: &mut cpu_set_t) -> () {
         for slot in cpuset.bits.iter_mut() {