Merge pull request #2355 from ibuclaw/riscv

dlang-bot · web-flow · commit 0450507af585 · 2018-11-22T08:55:49.000+01:00
Add support for RISCV{32,64} to glibc bindings
merged-on-behalf-of: Nicholas Wilson &lt;thewilsonator@users.noreply.github.com&gt;
diff --git a/src/core/stdc/fenv.d b/src/core/stdc/fenv.d
@@ -34,6 +34,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (S390)    version = IBMZ_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
@@ -128,6 +130,12 @@ version (GNUFP)
         alias fenv_t = double;
         alias fexcept_t = uint;
     }
+    // https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/riscv/bits/fenv.h
+    else version (RISCV_Any)
+    {
+        alias fenv_t = uint;
+        alias fexcept_t = uint;
+    }
     // https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/sparc/fpu/bits/fenv.h
     else version (SPARC64)
     {
@@ -639,6 +647,28 @@ else
             FE_DOWNWARD     = 3, ///
         }
     }
+    else version (RISCV_Any)
+    {
+        // Define bits representing exceptions in the FPSR status word.
+        enum
+        {
+            FE_INEXACT      = 0x01, ///
+            FE_UNDERFLOW    = 0x02, ///
+            FE_OVERFLOW     = 0x04, ///
+            FE_DIVBYZERO    = 0x08, ///
+            FE_INVALID      = 0x10, ///
+            FE_ALL_EXCEPT   = 0x1f, ///
+        }
+
+        // Define bits representing rounding modes in the FPCR Rmode field.
+        enum
+        {
+            FE_TONEAREST    = 0x0, ///
+            FE_TOWARDZERO   = 0x1, ///
+            FE_DOWNWARD     = 0x2, ///
+            FE_UPWARD       = 0x3, ///
+        }
+    }
     else version (SPARC_Any)
     {
         // Define bits representing the exception.
diff --git a/src/core/stdc/math.d b/src/core/stdc/math.d
@@ -30,6 +30,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (S390)    version = IBMZ_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
@@ -159,6 +161,13 @@ else version (CRuntime_Glibc)
         ///
         enum int FP_ILOGBNAN      = int.max;
     }
+    else version (RISCV_Any)
+    {
+        ///
+        enum int FP_ILOGB0        = -int.max;
+        ///
+        enum int FP_ILOGBNAN      = int.max;
+    }
     else version (SPARC_Any)
     {
         ///
diff --git a/src/core/sys/linux/dlfcn.d b/src/core/sys/linux/dlfcn.d
@@ -16,6 +16,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (S390)    version = IBMZ_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
@@ -123,6 +125,30 @@ else version (ARM_Any)
         void _dl_mcount_wrapper_check(void* __selfpc);
     }
 }
+else version (RISCV_Any)
+{
+    // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
+    // enum RTLD_LAZY = 0x0001; // POSIX
+    // enum RTLD_NOW = 0x0002; // POSIX
+    enum RTLD_BINDING_MASK = 0x3;
+    enum RTLD_NOLOAD = 0x00004;
+    enum RTLD_DEEPBIND = 0x00008;
+
+    // enum RTLD_GLOBAL = 0x00100; // POSIX
+    // enum RTLD_LOCAL = 0; // POSIX
+    enum RTLD_NODELETE = 0x01000;
+
+    static if (__USE_GNU)
+    {
+        RT DL_CALL_FCT(RT, Args...)(RT function(Args) fctp, auto ref Args args)
+        {
+            _dl_mcount_wrapper_check(cast(void*)fctp);
+            return fctp(args);
+        }
+
+        void _dl_mcount_wrapper_check(void* __selfpc);
+    }
+}
 else version (SPARC_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/dlfcn.h
diff --git a/src/core/sys/linux/epoll.d b/src/core/sys/linux/epoll.d
@@ -21,6 +21,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (S390)    version = IBMZ_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
@@ -92,6 +94,14 @@ else version (MIPS_Any)
         epoll_data_t data;
     }
 }
+else version (RISCV_Any)
+{
+    struct epoll_event
+    {
+        uint events;
+        epoll_data_t data;
+    }
+}
 else version (SPARC_Any)
 {
     struct epoll_event
diff --git a/src/core/sys/linux/link.d b/src/core/sys/linux/link.d
@@ -15,6 +15,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
 version (X86)     version = X86_Any;
@@ -50,6 +52,12 @@ else version (ARM_Any)
     alias __WORDSIZE __ELF_NATIVE_CLASS;
     alias uint32_t Elf_Symndx;
 }
+else version (RISCV_Any)
+{
+    // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
+    alias __WORDSIZE __ELF_NATIVE_CLASS;
+    alias uint32_t Elf_Symndx;
+}
 else version (SPARC_Any)
 {
     // http://sourceware.org/git/?p=glibc.git;a=blob;f=bits/elfclass.h
diff --git a/src/core/sys/linux/sys/eventfd.d b/src/core/sys/linux/sys/eventfd.d
@@ -18,6 +18,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (S390)    version = IBMZ_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
@@ -64,6 +66,12 @@ else version (ARM_Any)
     enum EFD_CLOEXEC = 0x80000; // octal!2000000
     enum EFD_NONBLOCK = 0x800; // octal!4000
 }
+else version (RISCV_Any)
+{
+    enum EFD_SEMAPHORE = 1;
+    enum EFD_CLOEXEC = 0x80000; // octal!2000000
+    enum EFD_NONBLOCK = 0x800; // octal!4000
+}
 else version (SPARC_Any)
 {
     enum EFD_SEMAPHORE = 1;
diff --git a/src/core/sys/linux/sys/inotify.d b/src/core/sys/linux/sys/inotify.d
@@ -17,6 +17,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (S390)    version = IBMZ_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
@@ -86,6 +88,11 @@ else version (ARM_Any)
     enum IN_CLOEXEC = 0x80000; // octal!2000000
     enum IN_NONBLOCK = 0x800; // octal!4000
 }
+else version (RISCV_Any)
+{
+    enum IN_CLOEXEC = 0x80000; // octal!2000000
+    enum IN_NONBLOCK = 0x800; // octal!4000
+}
 else version (SPARC_Any)
 {
     enum IN_CLOEXEC = 0x80000; // octal!2000000
diff --git a/src/core/sys/linux/sys/mman.d b/src/core/sys/linux/sys/mman.d
@@ -27,6 +27,9 @@ version (X86_64)  version = X86_Any;
 public import core.sys.posix.sys.mman;
 import core.sys.linux.config;
 
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
+
 // <bits/mman.h>
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/powerpc/bits/mman.h
 version (PPC_Any)
@@ -53,6 +56,31 @@ version (PPC_Any)
     //     MCL_FUTURE = 0x4000,
     // }
 }
+// https://sourceware.org/git/?p=glibc.git;a=blob;f=sysdeps/unix/sysv/linux/riscv/bits/mman.h
+else version (RISCV_Any)
+{
+    static if (__USE_MISC) enum
+    {
+        MAP_GROWSDOWN = 0x00100,
+        MAP_DENYWRITE = 0x00800,
+        MAP_EXECUTABLE = 0x01000,
+        MAP_LOCKED = 0x02000,
+        MAP_NORESERVE = 0x04000,
+        MAP_POPULATE = 0x08000,
+        MAP_NONBLOCK = 0x10000,
+        MAP_STACK = 0x20000,
+        MAP_HUGETLB = 0x40000,
+        MAP_SYNC = 0x80000,
+        MAP_FIXED_NOREPLACE = 0x100000,
+    }
+
+    // in core.sys.posix.sys.mman
+    // enum
+    // {
+    //     MCL_CURRENT = 0x2000,
+    //     MCL_FUTURE = 0x4000,
+    // }
+}
 // http://sourceware.org/git/?p=glibc.git;a=blob;hb=51e945a8f950a6695754b11c1e6fba8bb750e100;f=sysdeps/unix/sysv/linux/s390/bits/mman.h
 else version (IBMZ_Any)
 {
diff --git a/src/core/sys/posix/dlfcn.d b/src/core/sys/posix/dlfcn.d
@@ -31,6 +31,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (S390)    version = IBMZ_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
@@ -88,6 +90,13 @@ version (CRuntime_Glibc)
         enum RTLD_GLOBAL    = 0x00100;
         enum RTLD_LOCAL     = 0;
     }
+    else version (RISCV_Any)
+    {
+        enum RTLD_LAZY      = 0x00001;
+        enum RTLD_NOW       = 0x00002;
+        enum RTLD_GLOBAL    = 0x00100;
+        enum RTLD_LOCAL     = 0;
+    }
     else version (SPARC_Any)
     {
         enum RTLD_LAZY      = 0x00001;
diff --git a/src/core/sys/posix/fcntl.d b/src/core/sys/posix/fcntl.d
@@ -34,6 +34,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (S390)    version = IBMZ_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
@@ -191,6 +193,19 @@ version (CRuntime_Glibc)
         enum O_DSYNC        = 0x1000;   // octal   010000
         enum O_RSYNC        = O_SYNC;
     }
+    else version (RISCV_Any)
+    {
+        enum O_CREAT        = 0x40;     // octal     0100
+        enum O_EXCL         = 0x80;     // octal     0200
+        enum O_NOCTTY       = 0x100;    // octal     0400
+        enum O_TRUNC        = 0x200;    // octal    01000
+
+        enum O_APPEND       = 0x400;    // octal    02000
+        enum O_NONBLOCK     = 0x800;    // octal    04000
+        enum O_SYNC         = 0x101000; // octal 04010000
+        enum O_DSYNC        = 0x1000;   // octal   010000
+        enum O_RSYNC        = O_SYNC;
+    }
     else version (SPARC_Any)
     {
         enum O_CREAT        = 0x200;
diff --git a/src/core/sys/posix/setjmp.d b/src/core/sys/posix/setjmp.d
@@ -20,6 +20,9 @@ private import core.sys.posix.signal; // for sigset_t
 version (Posix):
 extern (C) nothrow @nogc:
 
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
+
 //
 // Required
 //
@@ -125,6 +128,18 @@ version (CRuntime_Glibc)
                 double[6] __fpregs;
         }
     }
+    else version (RISCV_Any)
+    {
+        struct __riscv_jmp_buf
+        {
+            c_long __pc;
+            c_long[12] __regs;
+            c_long __sp;
+            static if (__traits(getTargetInfo, "floatAbi") == "double")
+                double[12] __fpregs;
+        }
+        alias __jmp_buf = __riscv_jmp_buf[1];
+    }
     else version (SystemZ)
     {
         struct __s390_jmp_buf
diff --git a/src/core/sys/posix/signal.d b/src/core/sys/posix/signal.d
@@ -31,6 +31,8 @@ version (MIPS32)  version = MIPS_Any;
 version (MIPS64)  version = MIPS_Any;
 version (PPC)     version = PPC_Any;
 version (PPC64)   version = PPC_Any;
+version (RISCV32) version = RISCV_Any;
+version (RISCV64) version = RISCV_Any;
 version (S390)    version = IBMZ_Any;
 version (SPARC)   version = SPARC_Any;
 version (SPARC64) version = SPARC_Any;
@@ -328,6 +330,30 @@ version (linux)
         enum SIGUSR2    = 12;
         enum SIGURG     = 23;
     }
+    else version (RISCV_Any)
+    {
+        //SIGABRT (defined in core.stdc.signal)
+        enum SIGALRM    = 14;
+        enum SIGBUS     = 7;
+        enum SIGCHLD    = 17;
+        enum SIGCONT    = 18;
+        //SIGFPE (defined in core.stdc.signal)
+        enum SIGHUP     = 1;
+        //SIGILL (defined in core.stdc.signal)
+        //SIGINT (defined in core.stdc.signal)
+        enum SIGKILL    = 9;
+        enum SIGPIPE    = 13;
+        enum SIGQUIT    = 3;
+        //SIGSEGV (defined in core.stdc.signal)
+        enum SIGSTOP    = 19;
+        //SIGTERM (defined in core.stdc.signal)
+        enum SIGTSTP    = 20;
+        enum SIGTTIN    = 21;
+        enum SIGTTOU    = 22;
+        enum SIGUSR1    = 10;
+        enum SIGUSR2    = 12;
+        enum SIGURG     = 23;
+    }
     else version (SPARC_Any)
     {
         //SIGABRT (defined in core.stdc.signal)
@@ -2005,6 +2031,16 @@ version (CRuntime_Glibc)
         enum SIGXCPU    = 24;
         enum SIGXFSZ    = 25;
     }
+    else version (RISCV_Any)
+    {
+        enum SIGPOLL    = 29;
+        enum SIGPROF    = 27;
+        enum SIGSYS     = 31;
+        enum SIGTRAP    = 5;
+        enum SIGVTALRM  = 26;
+        enum SIGXCPU    = 24;
+        enum SIGXFSZ    = 25;
+    }
     else version (SPARC_Any)
     {
         enum SIGPOLL    = 23;
diff --git a/src/core/sys/posix/sys/mman.d b/src/core/sys/posix/sys/mman.d
diff --git a/src/core/sys/posix/sys/msg.d b/src/core/sys/posix/sys/msg.d
diff --git a/src/core/sys/posix/sys/socket.d b/src/core/sys/posix/sys/socket.d
diff --git a/src/core/sys/posix/sys/stat.d b/src/core/sys/posix/sys/stat.d
diff --git a/src/core/sys/posix/ucontext.d b/src/core/sys/posix/ucontext.d
diff --git a/src/rt/sections_elf_shared.d b/src/rt/sections_elf_shared.d
