Merge pull request rust-lang#3850 from tgross35/backport-android-constants

[0.2] Backport android constants

Author: tgross35

src/unix/linux_like/android/b32/arm.rs

@@ -539,6 +539,9 @@ pub const NGREG: c_int = 18;
 // From NDK's asm/auxvec.h
 pub const AT_SYSINFO_EHDR: c_ulong = 33;
 
+// From NDK's asm/auxvec.h
+pub const AT_SYSINFO_EHDR: ::c_ulong = 33;
+
 f! {
     // Sadly, Android before 5.0 (API level 21), the accept4 syscall is not
     // exposed by the libc. As work-around, we implement it through `syscall`

src/unix/linux_like/android/b32/x86/mod.rs

@@ -603,6 +603,11 @@ pub const AT_SYSINFO: c_ulong = 32;
 pub const AT_SYSINFO_EHDR: c_ulong = 33;
 pub const AT_VECTOR_SIZE_ARCH: c_ulong = 3;
 
+// From NDK's asm/auxvec.h
+pub const AT_SYSINFO: ::c_ulong = 32;
+pub const AT_SYSINFO_EHDR: ::c_ulong = 33;
+pub const AT_VECTOR_SIZE_ARCH: ::c_ulong = 3;
+
 // socketcall values from linux/net.h (only the needed ones, and not public)
 const SYS_ACCEPT4: c_int = 18;
 

src/unix/linux_like/android/mod.rs

@@ -3538,6 +3538,34 @@ pub const KLOG_CONSOLE_LEVEL: ::c_int = 8;
 pub const KLOG_SIZE_UNREAD: ::c_int = 9;
 pub const KLOG_SIZE_BUFFER: ::c_int = 10;
 
+// From NDK's linux/auxvec.h
+pub const AT_NULL: ::c_ulong = 0;
+pub const AT_IGNORE: ::c_ulong = 1;
+pub const AT_EXECFD: ::c_ulong = 2;
+pub const AT_PHDR: ::c_ulong = 3;
+pub const AT_PHENT: ::c_ulong = 4;
+pub const AT_PHNUM: ::c_ulong = 5;
+pub const AT_PAGESZ: ::c_ulong = 6;
+pub const AT_BASE: ::c_ulong = 7;
+pub const AT_FLAGS: ::c_ulong = 8;
+pub const AT_ENTRY: ::c_ulong = 9;
+pub const AT_NOTELF: ::c_ulong = 10;
+pub const AT_UID: ::c_ulong = 11;
+pub const AT_EUID: ::c_ulong = 12;
+pub const AT_GID: ::c_ulong = 13;
+pub const AT_EGID: ::c_ulong = 14;
+pub const AT_PLATFORM: ::c_ulong = 15;
+pub const AT_HWCAP: ::c_ulong = 16;
+pub const AT_CLKTCK: ::c_ulong = 17;
+pub const AT_SECURE: ::c_ulong = 23;
+pub const AT_BASE_PLATFORM: ::c_ulong = 24;
+pub const AT_RANDOM: ::c_ulong = 25;
+pub const AT_HWCAP2: ::c_ulong = 26;
+pub const AT_RSEQ_FEATURE_SIZE: ::c_ulong = 27;
+pub const AT_RSEQ_ALIGN: ::c_ulong = 28;
+pub const AT_EXECFN: ::c_ulong = 31;
+pub const AT_MINSIGSTKSZ: ::c_ulong = 51;
+
 // Most `*_SUPER_MAGIC` constants are defined at the `linux_like` level; the
 // following are only available on newer Linux versions than the versions
 // currently used in CI in some configurations, so we define them here.