code review 5348052: runtime, syscall: convert from godefs to cgo

src/pkg/runtime/darwin/defs.go

 // Copyright 2009 The Go Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
 /*
- * Input to godefs.
- *
-        godefs -f -m64 defs.c >amd64/defs.h
-        godefs -f -m32 defs.c >386/defs.h
- */
+Input to cgo.
 
+GOARCH=amd64 cgo -cdefs defs.go >amd64/defs.h
+GOARCH=386 cgo -cdefs defs.go >386/defs.h
+*/
+
+package runtime
+
+/*
 #define __DARWIN_UNIX03 0
-
 #include <mach/mach.h>
 #include <mach/message.h>
 #include <sys/types.h>
 #include <sys/time.h>
 #include <signal.h>
 #include <sys/mman.h>
+*/
+import "C"
 
-enum {
-        $PROT_NONE = PROT_NONE,
-        $PROT_READ = PROT_READ,
-        $PROT_WRITE = PROT_WRITE,
-        $PROT_EXEC = PROT_EXEC,
+const (
+        PROT_NONE  = C.PROT_NONE
+        PROT_READ  = C.PROT_READ
+        PROT_WRITE = C.PROT_WRITE
+        PROT_EXEC  = C.PROT_EXEC
 
-        $MAP_ANON = MAP_ANON,
-        $MAP_PRIVATE = MAP_PRIVATE,
-        $MAP_FIXED = MAP_FIXED,
+        MAP_ANON    = C.MAP_ANON
+        MAP_PRIVATE = C.MAP_PRIVATE
+        MAP_FIXED   = C.MAP_FIXED
 
-        $MACH_MSG_TYPE_MOVE_RECEIVE = MACH_MSG_TYPE_MOVE_RECEIVE,
-        $MACH_MSG_TYPE_MOVE_SEND = MACH_MSG_TYPE_MOVE_SEND,
-        $MACH_MSG_TYPE_MOVE_SEND_ONCE = MACH_MSG_TYPE_MOVE_SEND_ONCE,
-        $MACH_MSG_TYPE_COPY_SEND = MACH_MSG_TYPE_COPY_SEND,
-        $MACH_MSG_TYPE_MAKE_SEND = MACH_MSG_TYPE_MAKE_SEND,
-        $MACH_MSG_TYPE_MAKE_SEND_ONCE = MACH_MSG_TYPE_MAKE_SEND_ONCE,
-        $MACH_MSG_TYPE_COPY_RECEIVE = MACH_MSG_TYPE_COPY_RECEIVE,
+        MACH_MSG_TYPE_MOVE_RECEIVE   = C.MACH_MSG_TYPE_MOVE_RECEIVE
+        MACH_MSG_TYPE_MOVE_SEND      = C.MACH_MSG_TYPE_MOVE_SEND
+        MACH_MSG_TYPE_MOVE_SEND_ONCE = C.MACH_MSG_TYPE_MOVE_SEND_ONCE
+        MACH_MSG_TYPE_COPY_SEND      = C.MACH_MSG_TYPE_COPY_SEND
+        MACH_MSG_TYPE_MAKE_SEND      = C.MACH_MSG_TYPE_MAKE_SEND
+        MACH_MSG_TYPE_MAKE_SEND_ONCE = C.MACH_MSG_TYPE_MAKE_SEND_ONCE
+        MACH_MSG_TYPE_COPY_RECEIVE   = C.MACH_MSG_TYPE_COPY_RECEIVE
 
-        $MACH_MSG_PORT_DESCRIPTOR = MACH_MSG_PORT_DESCRIPTOR,
-        $MACH_MSG_OOL_DESCRIPTOR = MACH_MSG_OOL_DESCRIPTOR,
-        $MACH_MSG_OOL_PORTS_DESCRIPTOR = MACH_MSG_OOL_PORTS_DESCRIPTOR,
-        $MACH_MSG_OOL_VOLATILE_DESCRIPTOR = MACH_MSG_OOL_VOLATILE_DESCRIPTOR,
+        MACH_MSG_PORT_DESCRIPTOR         = C.MACH_MSG_PORT_DESCRIPTOR
+        MACH_MSG_OOL_DESCRIPTOR          = C.MACH_MSG_OOL_DESCRIPTOR
+        MACH_MSG_OOL_PORTS_DESCRIPTOR    = C.MACH_MSG_OOL_PORTS_DESCRIPTOR
+        MACH_MSG_OOL_VOLATILE_DESCRIPTOR = C.MACH_MSG_OOL_VOLATILE_DESCRIPTOR
 
-        $MACH_MSGH_BITS_COMPLEX = MACH_MSGH_BITS_COMPLEX,
+        MACH_MSGH_BITS_COMPLEX = C.MACH_MSGH_BITS_COMPLEX
 
-        $MACH_SEND_MSG = MACH_SEND_MSG,
-        $MACH_RCV_MSG = MACH_RCV_MSG,
-        $MACH_RCV_LARGE = MACH_RCV_LARGE,
+        MACH_SEND_MSG  = C.MACH_SEND_MSG
+        MACH_RCV_MSG   = C.MACH_RCV_MSG
+        MACH_RCV_LARGE = C.MACH_RCV_LARGE
 
-        $MACH_SEND_TIMEOUT = MACH_SEND_TIMEOUT,
-        $MACH_SEND_INTERRUPT = MACH_SEND_INTERRUPT,
-        $MACH_SEND_CANCEL = MACH_SEND_CANCEL,
-        $MACH_SEND_ALWAYS = MACH_SEND_ALWAYS,
-        $MACH_SEND_TRAILER = MACH_SEND_TRAILER,
-        $MACH_RCV_TIMEOUT = MACH_RCV_TIMEOUT,
-        $MACH_RCV_NOTIFY = MACH_RCV_NOTIFY,
-        $MACH_RCV_INTERRUPT = MACH_RCV_INTERRUPT,
-        $MACH_RCV_OVERWRITE = MACH_RCV_OVERWRITE,
+        MACH_SEND_TIMEOUT   = C.MACH_SEND_TIMEOUT
+        MACH_SEND_INTERRUPT = C.MACH_SEND_INTERRUPT
+        MACH_SEND_CANCEL    = C.MACH_SEND_CANCEL
+        MACH_SEND_ALWAYS    = C.MACH_SEND_ALWAYS
+        MACH_SEND_TRAILER   = C.MACH_SEND_TRAILER
+        MACH_RCV_TIMEOUT    = C.MACH_RCV_TIMEOUT
+        MACH_RCV_NOTIFY     = C.MACH_RCV_NOTIFY
+        MACH_RCV_INTERRUPT  = C.MACH_RCV_INTERRUPT
+        MACH_RCV_OVERWRITE  = C.MACH_RCV_OVERWRITE
 
-        $NDR_PROTOCOL_2_0 = NDR_PROTOCOL_2_0,
-        $NDR_INT_BIG_ENDIAN = NDR_INT_BIG_ENDIAN,
-        $NDR_INT_LITTLE_ENDIAN = NDR_INT_LITTLE_ENDIAN,
-        $NDR_FLOAT_IEEE = NDR_FLOAT_IEEE,
-        $NDR_CHAR_ASCII = NDR_CHAR_ASCII,
+        NDR_PROTOCOL_2_0      = C.NDR_PROTOCOL_2_0
+        NDR_INT_BIG_ENDIAN    = C.NDR_INT_BIG_ENDIAN
+        NDR_INT_LITTLE_ENDIAN = C.NDR_INT_LITTLE_ENDIAN
+        NDR_FLOAT_IEEE        = C.NDR_FLOAT_IEEE
+        NDR_CHAR_ASCII        = C.NDR_CHAR_ASCII
 
-        $SA_SIGINFO = SA_SIGINFO,
-        $SA_RESTART = SA_RESTART,
-        $SA_ONSTACK = SA_ONSTACK,
-        $SA_USERTRAMP = SA_USERTRAMP,
-        $SA_64REGSET = SA_64REGSET,
- ·······
-        $SIGHUP = SIGHUP,
-        $SIGINT = SIGINT,
-        $SIGQUIT = SIGQUIT,
-        $SIGILL = SIGILL,
-        $SIGTRAP = SIGTRAP,
-        $SIGABRT = SIGABRT,
-        $SIGEMT = SIGEMT,
-        $SIGFPE = SIGFPE,
-        $SIGKILL = SIGKILL,
-        $SIGBUS = SIGBUS,
-        $SIGSEGV = SIGSEGV,
-        $SIGSYS = SIGSYS,
-        $SIGPIPE = SIGPIPE,
-        $SIGALRM = SIGALRM,
-        $SIGTERM = SIGTERM,
-        $SIGURG = SIGURG,
-        $SIGSTOP = SIGSTOP,
-        $SIGTSTP = SIGTSTP,
-        $SIGCONT = SIGCONT,
-        $SIGCHLD = SIGCHLD,
-        $SIGTTIN = SIGTTIN,
-        $SIGTTOU = SIGTTOU,
-        $SIGIO = SIGIO,
-        $SIGXCPU = SIGXCPU,
-        $SIGXFSZ = SIGXFSZ,
-        $SIGVTALRM = SIGVTALRM,
-        $SIGPROF = SIGPROF,
-        $SIGWINCH = SIGWINCH,
-        $SIGINFO = SIGINFO,
-        $SIGUSR1 = SIGUSR1,
-        $SIGUSR2 = SIGUSR2,
- ·······
-        $FPE_INTDIV = FPE_INTDIV,
-        $FPE_INTOVF = FPE_INTOVF,
-        $FPE_FLTDIV = FPE_FLTDIV,
-        $FPE_FLTOVF = FPE_FLTOVF,
-        $FPE_FLTUND = FPE_FLTUND,
-        $FPE_FLTRES = FPE_FLTRES,
-        $FPE_FLTINV = FPE_FLTINV,
-        $FPE_FLTSUB = FPE_FLTSUB,
- ·······
-        $BUS_ADRALN = BUS_ADRALN,
-        $BUS_ADRERR = BUS_ADRERR,
-        $BUS_OBJERR = BUS_OBJERR,
- ·······
-        $SEGV_MAPERR = SEGV_MAPERR,
-        $SEGV_ACCERR = SEGV_ACCERR,
- ·······
-        $ITIMER_REAL = ITIMER_REAL,
-        $ITIMER_VIRTUAL = ITIMER_VIRTUAL,
-        $ITIMER_PROF = ITIMER_PROF,
-};
+        SA_SIGINFO   = C.SA_SIGINFO
+        SA_RESTART   = C.SA_RESTART
+        SA_ONSTACK   = C.SA_ONSTACK
+        SA_USERTRAMP = C.SA_USERTRAMP
+        SA_64REGSET  = C.SA_64REGSET
 
-typedef mach_msg_body_t $MachBody;
-typedef mach_msg_header_t       $MachHeader;
-typedef NDR_record_t            $MachNDR;
-typedef mach_msg_port_descriptor_t      $MachPort;
+        SIGHUP    = C.SIGHUP
+        SIGINT    = C.SIGINT
+        SIGQUIT   = C.SIGQUIT
+        SIGILL    = C.SIGILL
+        SIGTRAP   = C.SIGTRAP
+        SIGABRT   = C.SIGABRT
+        SIGEMT    = C.SIGEMT
+        SIGFPE    = C.SIGFPE
+        SIGKILL   = C.SIGKILL
+        SIGBUS    = C.SIGBUS
+        SIGSEGV   = C.SIGSEGV
+        SIGSYS    = C.SIGSYS
+        SIGPIPE   = C.SIGPIPE
+        SIGALRM   = C.SIGALRM
+        SIGTERM   = C.SIGTERM
+        SIGURG    = C.SIGURG
+        SIGSTOP   = C.SIGSTOP
+        SIGTSTP   = C.SIGTSTP
+        SIGCONT   = C.SIGCONT
+        SIGCHLD   = C.SIGCHLD
+        SIGTTIN   = C.SIGTTIN
+        SIGTTOU   = C.SIGTTOU
+        SIGIO     = C.SIGIO
+        SIGXCPU   = C.SIGXCPU
+        SIGXFSZ   = C.SIGXFSZ
+        SIGVTALRM = C.SIGVTALRM
+        SIGPROF   = C.SIGPROF
+        SIGWINCH  = C.SIGWINCH
+        SIGINFO   = C.SIGINFO
+        SIGUSR1   = C.SIGUSR1
+        SIGUSR2   = C.SIGUSR2
 
-typedef stack_t $StackT;
-typedef union __sigaction_u     $Sighandler;
+        FPE_INTDIV = C.FPE_INTDIV
+        FPE_INTOVF = C.FPE_INTOVF
+        FPE_FLTDIV = C.FPE_FLTDIV
+        FPE_FLTOVF = C.FPE_FLTOVF
+        FPE_FLTUND = C.FPE_FLTUND
+        FPE_FLTRES = C.FPE_FLTRES
+        FPE_FLTINV = C.FPE_FLTINV
+        FPE_FLTSUB = C.FPE_FLTSUB
 
-typedef struct __sigaction      $Sigaction;     // used in syscalls
-// typedef struct sigaction     $Sigaction;     // used by the C library
-typedef union sigval $Sigval;
-typedef siginfo_t $Siginfo;
-typedef struct timeval  $Timeval;
-typedef struct itimerval        $Itimerval;
+        BUS_ADRALN = C.BUS_ADRALN
+        BUS_ADRERR = C.BUS_ADRERR
+        BUS_OBJERR = C.BUS_OBJERR
 
-typedef struct fp_control $FPControl;
-typedef struct fp_status $FPStatus;
-typedef struct mmst_reg $RegMMST;
-typedef struct xmm_reg $RegXMM;
+        SEGV_MAPERR = C.SEGV_MAPERR
+        SEGV_ACCERR = C.SEGV_ACCERR
 
-#ifdef __LP64__
-// amd64
-typedef x86_thread_state64_t    $Regs;
-typedef x86_float_state64_t $FloatState;
-typedef x86_exception_state64_t $ExceptionState;
-typedef struct mcontext64 $Mcontext;
-#else
-// 386
-typedef x86_thread_state32_t    $Regs;
-typedef x86_float_state32_t $FloatState;
-typedef x86_exception_state32_t $ExceptionState;
-typedef struct mcontext32 $Mcontext;
-#endif
+        ITIMER_REAL    = C.ITIMER_REAL
+        ITIMER_VIRTUAL = C.ITIMER_VIRTUAL
+        ITIMER_PROF    = C.ITIMER_PROF
+)
 
-typedef ucontext_t      $Ucontext;
+type MachBody C.mach_msg_body_t
+type MachHeader C.mach_msg_header_t
+type MachNDR C.NDR_record_t
+type MachPort C.mach_msg_port_descriptor_t
+
+type StackT C.struct_sigaltstack
+type Sighandler C.union___sigaction_u
+
+type Sigaction C.struct___sigaction // used in syscalls
+// type Sigaction C.struct_sigaction    // used by the C library
+type Sigval C.union_sigval
+type Siginfo C.siginfo_t
+type Timeval C.struct_timeval
+type Itimerval C.struct_itimerval
+
+type FPControl C.struct_fp_control
+type FPStatus C.struct_fp_status
+type RegMMST C.struct_mmst_reg
+type RegXMM C.struct_xmm_reg
+
+type Regs64 C.struct_x86_thread_state64
+type FloatState64 C.struct_x86_float_state64
+type ExceptionState64 C.struct_x86_exception_state64
+type Mcontext64 C.struct_mcontext64
+
+type Regs32 C.struct_i386_thread_state
+type FloatState32 C.struct_i386_float_state
+type ExceptionState32 C.struct_i386_exception_state
+type Mcontext32 C.struct_mcontext32
+
+type Ucontext C.struct_ucontext