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-rw-r--r--src/pkg/runtime/darwin/386/defs.h289
-rw-r--r--src/pkg/runtime/darwin/386/rt0.s8
-rw-r--r--src/pkg/runtime/darwin/386/signal.c194
-rw-r--r--src/pkg/runtime/darwin/386/sys.s311
-rw-r--r--src/pkg/runtime/darwin/amd64/defs.h305
-rw-r--r--src/pkg/runtime/darwin/amd64/rt0.s10
-rw-r--r--src/pkg/runtime/darwin/amd64/signal.c204
-rw-r--r--src/pkg/runtime/darwin/amd64/sys.s295
-rw-r--r--src/pkg/runtime/darwin/defs.c159
-rw-r--r--src/pkg/runtime/darwin/mem.c55
-rw-r--r--src/pkg/runtime/darwin/os.h31
-rw-r--r--src/pkg/runtime/darwin/signals.h51
-rw-r--r--src/pkg/runtime/darwin/thread.c484
13 files changed, 0 insertions, 2396 deletions
diff --git a/src/pkg/runtime/darwin/386/defs.h b/src/pkg/runtime/darwin/386/defs.h
deleted file mode 100644
index bb70207fd..000000000
--- a/src/pkg/runtime/darwin/386/defs.h
+++ /dev/null
@@ -1,289 +0,0 @@
-// godefs -f -m32 defs.c
-
-// MACHINE GENERATED - DO NOT EDIT.
-
-// Constants
-enum {
- PROT_NONE = 0,
- PROT_READ = 0x1,
- PROT_WRITE = 0x2,
- PROT_EXEC = 0x4,
- MAP_ANON = 0x1000,
- MAP_PRIVATE = 0x2,
- MAP_FIXED = 0x10,
- MACH_MSG_TYPE_MOVE_RECEIVE = 0x10,
- MACH_MSG_TYPE_MOVE_SEND = 0x11,
- MACH_MSG_TYPE_MOVE_SEND_ONCE = 0x12,
- MACH_MSG_TYPE_COPY_SEND = 0x13,
- MACH_MSG_TYPE_MAKE_SEND = 0x14,
- MACH_MSG_TYPE_MAKE_SEND_ONCE = 0x15,
- MACH_MSG_TYPE_COPY_RECEIVE = 0x16,
- MACH_MSG_PORT_DESCRIPTOR = 0,
- MACH_MSG_OOL_DESCRIPTOR = 0x1,
- MACH_MSG_OOL_PORTS_DESCRIPTOR = 0x2,
- MACH_MSG_OOL_VOLATILE_DESCRIPTOR = 0x3,
- MACH_MSGH_BITS_COMPLEX = 0x80000000,
- MACH_SEND_MSG = 0x1,
- MACH_RCV_MSG = 0x2,
- MACH_RCV_LARGE = 0x4,
- MACH_SEND_TIMEOUT = 0x10,
- MACH_SEND_INTERRUPT = 0x40,
- MACH_SEND_CANCEL = 0x80,
- MACH_SEND_ALWAYS = 0x10000,
- MACH_SEND_TRAILER = 0x20000,
- MACH_RCV_TIMEOUT = 0x100,
- MACH_RCV_NOTIFY = 0x200,
- MACH_RCV_INTERRUPT = 0x400,
- MACH_RCV_OVERWRITE = 0x1000,
- NDR_PROTOCOL_2_0 = 0,
- NDR_INT_BIG_ENDIAN = 0,
- NDR_INT_LITTLE_ENDIAN = 0x1,
- NDR_FLOAT_IEEE = 0,
- NDR_CHAR_ASCII = 0,
- SA_SIGINFO = 0x40,
- SA_RESTART = 0x2,
- SA_ONSTACK = 0x1,
- SA_USERTRAMP = 0x100,
- SA_64REGSET = 0x200,
- SIGHUP = 0x1,
- SIGINT = 0x2,
- SIGQUIT = 0x3,
- SIGILL = 0x4,
- SIGTRAP = 0x5,
- SIGABRT = 0x6,
- SIGEMT = 0x7,
- SIGFPE = 0x8,
- SIGKILL = 0x9,
- SIGBUS = 0xa,
- SIGSEGV = 0xb,
- SIGSYS = 0xc,
- SIGPIPE = 0xd,
- SIGALRM = 0xe,
- SIGTERM = 0xf,
- SIGURG = 0x10,
- SIGSTOP = 0x11,
- SIGTSTP = 0x12,
- SIGCONT = 0x13,
- SIGCHLD = 0x14,
- SIGTTIN = 0x15,
- SIGTTOU = 0x16,
- SIGIO = 0x17,
- SIGXCPU = 0x18,
- SIGXFSZ = 0x19,
- SIGVTALRM = 0x1a,
- SIGPROF = 0x1b,
- SIGWINCH = 0x1c,
- SIGINFO = 0x1d,
- SIGUSR1 = 0x1e,
- SIGUSR2 = 0x1f,
- FPE_INTDIV = 0x7,
- FPE_INTOVF = 0x8,
- FPE_FLTDIV = 0x1,
- FPE_FLTOVF = 0x2,
- FPE_FLTUND = 0x3,
- FPE_FLTRES = 0x4,
- FPE_FLTINV = 0x5,
- FPE_FLTSUB = 0x6,
- BUS_ADRALN = 0x1,
- BUS_ADRERR = 0x2,
- BUS_OBJERR = 0x3,
- SEGV_MAPERR = 0x1,
- SEGV_ACCERR = 0x2,
- ITIMER_REAL = 0,
- ITIMER_VIRTUAL = 0x1,
- ITIMER_PROF = 0x2,
-};
-
-// Types
-#pragma pack on
-
-typedef struct MachBody MachBody;
-struct MachBody {
- uint32 msgh_descriptor_count;
-};
-
-typedef struct MachHeader MachHeader;
-struct MachHeader {
- uint32 msgh_bits;
- uint32 msgh_size;
- uint32 msgh_remote_port;
- uint32 msgh_local_port;
- uint32 msgh_reserved;
- int32 msgh_id;
-};
-
-typedef struct MachNDR MachNDR;
-struct MachNDR {
- uint8 mig_vers;
- uint8 if_vers;
- uint8 reserved1;
- uint8 mig_encoding;
- uint8 int_rep;
- uint8 char_rep;
- uint8 float_rep;
- uint8 reserved2;
-};
-
-typedef struct MachPort MachPort;
-struct MachPort {
- uint32 name;
- uint32 pad1;
- uint16 pad2;
- uint8 disposition;
- uint8 type;
-};
-
-typedef struct StackT StackT;
-struct StackT {
- void *ss_sp;
- uint32 ss_size;
- int32 ss_flags;
-};
-
-typedef union Sighandler Sighandler;
-union Sighandler {
- uint32 __sa_handler;
- uint32 __sa_sigaction;
-};
-
-typedef struct Sigaction Sigaction;
-struct Sigaction {
- Sighandler __sigaction_u;
- uint32 sa_tramp;
- uint32 sa_mask;
- int32 sa_flags;
-};
-
-typedef union Sigval Sigval;
-union Sigval {
- int32 sival_int;
- void *sival_ptr;
-};
-
-typedef struct Siginfo Siginfo;
-struct Siginfo {
- int32 si_signo;
- int32 si_errno;
- int32 si_code;
- int32 si_pid;
- uint32 si_uid;
- int32 si_status;
- void *si_addr;
- Sigval si_value;
- int32 si_band;
- uint32 __pad[7];
-};
-
-typedef struct Timeval Timeval;
-struct Timeval {
- int32 tv_sec;
- int32 tv_usec;
-};
-
-typedef struct Itimerval Itimerval;
-struct Itimerval {
- Timeval it_interval;
- Timeval it_value;
-};
-
-typedef struct FPControl FPControl;
-struct FPControl {
- byte pad_godefs_0[2];
-};
-
-typedef struct FPStatus FPStatus;
-struct FPStatus {
- byte pad_godefs_0[2];
-};
-
-typedef struct RegMMST RegMMST;
-struct RegMMST {
- int8 mmst_reg[10];
- int8 mmst_rsrv[6];
-};
-
-typedef struct RegXMM RegXMM;
-struct RegXMM {
- int8 xmm_reg[16];
-};
-
-typedef struct Regs Regs;
-struct Regs {
- uint32 eax;
- uint32 ebx;
- uint32 ecx;
- uint32 edx;
- uint32 edi;
- uint32 esi;
- uint32 ebp;
- uint32 esp;
- uint32 ss;
- uint32 eflags;
- uint32 eip;
- uint32 cs;
- uint32 ds;
- uint32 es;
- uint32 fs;
- uint32 gs;
-};
-
-typedef struct FloatState FloatState;
-struct FloatState {
- uint64 fpu_reserved;
- FPControl fpu_fcw;
- FPStatus fpu_fsw;
- uint8 fpu_ftw;
- uint8 fpu_rsrv1;
- uint16 fpu_fop;
- uint32 fpu_ip;
- uint16 fpu_cs;
- uint16 fpu_rsrv2;
- uint32 fpu_dp;
- uint16 fpu_ds;
- uint16 fpu_rsrv3;
- uint32 fpu_mxcsr;
- uint32 fpu_mxcsrmask;
- RegMMST fpu_stmm0;
- RegMMST fpu_stmm1;
- RegMMST fpu_stmm2;
- RegMMST fpu_stmm3;
- RegMMST fpu_stmm4;
- RegMMST fpu_stmm5;
- RegMMST fpu_stmm6;
- RegMMST fpu_stmm7;
- RegXMM fpu_xmm0;
- RegXMM fpu_xmm1;
- RegXMM fpu_xmm2;
- RegXMM fpu_xmm3;
- RegXMM fpu_xmm4;
- RegXMM fpu_xmm5;
- RegXMM fpu_xmm6;
- RegXMM fpu_xmm7;
- int8 fpu_rsrv4[224];
- int32 fpu_reserved1;
-};
-
-typedef struct ExceptionState ExceptionState;
-struct ExceptionState {
- uint32 trapno;
- uint32 err;
- uint32 faultvaddr;
-};
-
-typedef struct Mcontext Mcontext;
-struct Mcontext {
- ExceptionState es;
- Regs ss;
- FloatState fs;
-};
-
-typedef struct Ucontext Ucontext;
-struct Ucontext {
- int32 uc_onstack;
- uint32 uc_sigmask;
- StackT uc_stack;
- uint32 uc_link;
- uint32 uc_mcsize;
- Mcontext *uc_mcontext;
-};
-#pragma pack off
diff --git a/src/pkg/runtime/darwin/386/rt0.s b/src/pkg/runtime/darwin/386/rt0.s
deleted file mode 100644
index 30b497f5e..000000000
--- a/src/pkg/runtime/darwin/386/rt0.s
+++ /dev/null
@@ -1,8 +0,0 @@
-// 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.
-
-// Darwin and Linux use the same linkage to main
-
-TEXT _rt0_386_darwin(SB),7,$0
- JMP _rt0_386(SB)
diff --git a/src/pkg/runtime/darwin/386/signal.c b/src/pkg/runtime/darwin/386/signal.c
deleted file mode 100644
index 29170b669..000000000
--- a/src/pkg/runtime/darwin/386/signal.c
+++ /dev/null
@@ -1,194 +0,0 @@
-// 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.
-
-#include "runtime.h"
-#include "defs.h"
-#include "os.h"
-#include "signals.h"
-
-void
-runtime·dumpregs(Regs *r)
-{
- runtime·printf("eax %x\n", r->eax);
- runtime·printf("ebx %x\n", r->ebx);
- runtime·printf("ecx %x\n", r->ecx);
- runtime·printf("edx %x\n", r->edx);
- runtime·printf("edi %x\n", r->edi);
- runtime·printf("esi %x\n", r->esi);
- runtime·printf("ebp %x\n", r->ebp);
- runtime·printf("esp %x\n", r->esp);
- runtime·printf("eip %x\n", r->eip);
- runtime·printf("eflags %x\n", r->eflags);
- runtime·printf("cs %x\n", r->cs);
- runtime·printf("fs %x\n", r->fs);
- runtime·printf("gs %x\n", r->gs);
-}
-
-String
-runtime·signame(int32 sig)
-{
- if(sig < 0 || sig >= NSIG)
- return runtime·emptystring;
- return runtime·gostringnocopy((byte*)runtime·sigtab[sig].name);
-}
-
-void
-runtime·sighandler(int32 sig, Siginfo *info, void *context, G *gp)
-{
- Ucontext *uc;
- Mcontext *mc;
- Regs *r;
- uintptr *sp;
- byte *pc;
-
- uc = context;
- mc = uc->uc_mcontext;
- r = &mc->ss;
-
- if(sig == SIGPROF) {
- runtime·sigprof((uint8*)r->eip, (uint8*)r->esp, nil, gp);
- return;
- }
-
- if(gp != nil && (runtime·sigtab[sig].flags & SigPanic)) {
- // Work around Leopard bug that doesn't set FPE_INTDIV.
- // Look at instruction to see if it is a divide.
- // Not necessary in Snow Leopard (si_code will be != 0).
- if(sig == SIGFPE && info->si_code == 0) {
- pc = (byte*)r->eip;
- if(pc[0] == 0x66) // 16-bit instruction prefix
- pc++;
- if(pc[0] == 0xF6 || pc[0] == 0xF7)
- info->si_code = FPE_INTDIV;
- }
-
- // Make it look like a call to the signal func.
- // Have to pass arguments out of band since
- // augmenting the stack frame would break
- // the unwinding code.
- gp->sig = sig;
- gp->sigcode0 = info->si_code;
- gp->sigcode1 = (uintptr)info->si_addr;
- gp->sigpc = r->eip;
-
- // Only push runtime·sigpanic if r->eip != 0.
- // If r->eip == 0, probably panicked because of a
- // call to a nil func. Not pushing that onto sp will
- // make the trace look like a call to runtime·sigpanic instead.
- // (Otherwise the trace will end at runtime·sigpanic and we
- // won't get to see who faulted.)
- if(r->eip != 0) {
- sp = (uintptr*)r->esp;
- *--sp = r->eip;
- r->esp = (uintptr)sp;
- }
- r->eip = (uintptr)runtime·sigpanic;
- return;
- }
-
- if(runtime·sigtab[sig].flags & SigQueue) {
- if(runtime·sigsend(sig) || (runtime·sigtab[sig].flags & SigIgnore))
- return;
- runtime·exit(2); // SIGINT, SIGTERM, etc
- }
-
- if(runtime·panicking) // traceback already printed
- runtime·exit(2);
- runtime·panicking = 1;
-
- if(sig < 0 || sig >= NSIG){
- runtime·printf("Signal %d\n", sig);
- }else{
- runtime·printf("%s\n", runtime·sigtab[sig].name);
- }
-
- runtime·printf("pc: %x\n", r->eip);
- runtime·printf("\n");
-
- if(runtime·gotraceback()){
- runtime·traceback((void*)r->eip, (void*)r->esp, 0, gp);
- runtime·tracebackothers(gp);
- runtime·dumpregs(r);
- }
-
- runtime·exit(2);
-}
-
-void
-runtime·sigignore(int32, Siginfo*, void*)
-{
-}
-
-void
-runtime·signalstack(byte *p, int32 n)
-{
- StackT st;
-
- st.ss_sp = p;
- st.ss_size = n;
- st.ss_flags = 0;
- runtime·sigaltstack(&st, nil);
-}
-
-static void
-sigaction(int32 i, void (*fn)(int32, Siginfo*, void*, G*), bool restart)
-{
- Sigaction sa;
-
- runtime·memclr((byte*)&sa, sizeof sa);
- sa.sa_flags = SA_SIGINFO|SA_ONSTACK;
- if(restart)
- sa.sa_flags |= SA_RESTART;
- sa.sa_mask = ~0U;
- sa.sa_tramp = (uintptr)runtime·sigtramp; // runtime·sigtramp's job is to call into real handler
- sa.__sigaction_u.__sa_sigaction = (uintptr)fn;
- runtime·sigaction(i, &sa, nil);
-}
-
-void
-runtime·initsig(int32 queue)
-{
- int32 i;
- void *fn;
-
- runtime·siginit();
-
- for(i = 0; i<NSIG; i++) {
- if(runtime·sigtab[i].flags) {
- if((runtime·sigtab[i].flags & SigQueue) != queue)
- continue;
- if(runtime·sigtab[i].flags & (SigCatch | SigQueue))
- fn = runtime·sighandler;
- else
- fn = runtime·sigignore;
- sigaction(i, fn, (runtime·sigtab[i].flags & SigRestart) != 0);
- }
- }
-}
-
-void
-runtime·resetcpuprofiler(int32 hz)
-{
- Itimerval it;
-
- runtime·memclr((byte*)&it, sizeof it);
- if(hz == 0) {
- runtime·setitimer(ITIMER_PROF, &it, nil);
- sigaction(SIGPROF, SIG_IGN, true);
- } else {
- sigaction(SIGPROF, runtime·sighandler, true);
- it.it_interval.tv_sec = 0;
- it.it_interval.tv_usec = 1000000 / hz;
- it.it_value = it.it_interval;
- runtime·setitimer(ITIMER_PROF, &it, nil);
- }
- m->profilehz = hz;
-}
-
-void
-os·sigpipe(void)
-{
- sigaction(SIGPIPE, SIG_DFL, false);
- runtime·raisesigpipe();
-}
diff --git a/src/pkg/runtime/darwin/386/sys.s b/src/pkg/runtime/darwin/386/sys.s
deleted file mode 100644
index 87fbdbb79..000000000
--- a/src/pkg/runtime/darwin/386/sys.s
+++ /dev/null
@@ -1,311 +0,0 @@
-// 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.
-
-// System calls and other sys.stuff for 386, Darwin
-// See http://fxr.watson.org/fxr/source/bsd/kern/syscalls.c?v=xnu-1228
-// or /usr/include/sys/syscall.h (on a Mac) for system call numbers.
-
-#include "386/asm.h"
-
-TEXT runtime·notok(SB),7,$0
- MOVL $0xf1, 0xf1
- RET
-
-// Exit the entire program (like C exit)
-TEXT runtime·exit(SB),7,$0
- MOVL $1, AX
- INT $0x80
- CALL runtime·notok(SB)
- RET
-
-// Exit this OS thread (like pthread_exit, which eventually
-// calls __bsdthread_terminate).
-TEXT runtime·exit1(SB),7,$0
- MOVL $361, AX
- INT $0x80
- JAE 2(PC)
- CALL runtime·notok(SB)
- RET
-
-TEXT runtime·write(SB),7,$0
- MOVL $4, AX
- INT $0x80
- RET
-
-TEXT runtime·raisesigpipe(SB),7,$8
- get_tls(CX)
- MOVL m(CX), DX
- MOVL m_procid(DX), DX
- MOVL DX, 0(SP) // thread_port
- MOVL $13, 4(SP) // signal: SIGPIPE
- MOVL $328, AX // __pthread_kill
- INT $0x80
- RET
-
-TEXT runtime·mmap(SB),7,$0
- MOVL $197, AX
- INT $0x80
- RET
-
-TEXT runtime·munmap(SB),7,$0
- MOVL $73, AX
- INT $0x80
- JAE 2(PC)
- CALL runtime·notok(SB)
- RET
-
-TEXT runtime·setitimer(SB),7,$0
- MOVL $83, AX
- INT $0x80
- RET
-
-// void gettime(int64 *sec, int32 *usec)
-TEXT runtime·gettime(SB), 7, $32
- LEAL 12(SP), AX // must be non-nil, unused
- MOVL AX, 4(SP)
- MOVL $0, 8(SP) // time zone pointer
- MOVL $116, AX
- INT $0x80
-
- MOVL sec+0(FP), DI
- MOVL AX, (DI)
- MOVL $0, 4(DI) // zero extend 32 -> 64
-
- MOVL usec+4(FP), DI
- MOVL DX, (DI)
- RET
-
-TEXT runtime·sigaction(SB),7,$0
- MOVL $46, AX
- INT $0x80
- JAE 2(PC)
- CALL runtime·notok(SB)
- RET
-
-// Sigtramp's job is to call the actual signal handler.
-// It is called with the following arguments on the stack:
-// 0(FP) "return address" - ignored
-// 4(FP) actual handler
-// 8(FP) siginfo style - ignored
-// 12(FP) signal number
-// 16(FP) siginfo
-// 20(FP) context
-TEXT runtime·sigtramp(SB),7,$40
- get_tls(CX)
-
- // save g
- MOVL g(CX), DI
- MOVL DI, 20(SP)
-
- // g = m->gsignal
- MOVL m(CX), BP
- MOVL m_gsignal(BP), BP
- MOVL BP, g(CX)
-
- // copy arguments to sighandler
- MOVL sig+8(FP), BX
- MOVL BX, 0(SP)
- MOVL info+12(FP), BX
- MOVL BX, 4(SP)
- MOVL context+16(FP), BX
- MOVL BX, 8(SP)
- MOVL DI, 12(SP)
-
- MOVL handler+0(FP), BX
- CALL BX
-
- // restore g
- get_tls(CX)
- MOVL 20(SP), DI
- MOVL DI, g(CX)
-
- // call sigreturn
- MOVL context+16(FP), CX
- MOVL style+4(FP), BX
- MOVL $0, 0(SP) // "caller PC" - ignored
- MOVL CX, 4(SP)
- MOVL BX, 8(SP)
- MOVL $184, AX // sigreturn(ucontext, infostyle)
- INT $0x80
- CALL runtime·notok(SB)
- RET
-
-TEXT runtime·sigaltstack(SB),7,$0
- MOVL $53, AX
- INT $0x80
- JAE 2(PC)
- CALL runtime·notok(SB)
- RET
-
-// void bsdthread_create(void *stk, M *m, G *g, void (*fn)(void))
-// System call args are: func arg stack pthread flags.
-TEXT runtime·bsdthread_create(SB),7,$32
- MOVL $360, AX
- // 0(SP) is where the caller PC would be; kernel skips it
- MOVL func+12(FP), BX
- MOVL BX, 4(SP) // func
- MOVL mm+4(FP), BX
- MOVL BX, 8(SP) // arg
- MOVL stk+0(FP), BX
- MOVL BX, 12(SP) // stack
- MOVL gg+8(FP), BX
- MOVL BX, 16(SP) // pthread
- MOVL $0x1000000, 20(SP) // flags = PTHREAD_START_CUSTOM
- INT $0x80
- JAE 3(PC)
- NEGL AX
- RET
- MOVL $0, AX
- RET
-
-// The thread that bsdthread_create creates starts executing here,
-// because we registered this function using bsdthread_register
-// at startup.
-// AX = "pthread" (= g)
-// BX = mach thread port
-// CX = "func" (= fn)
-// DX = "arg" (= m)
-// DI = stack top
-// SI = flags (= 0x1000000)
-// SP = stack - C_32_STK_ALIGN
-TEXT runtime·bsdthread_start(SB),7,$0
- // set up ldt 7+id to point at m->tls.
- // m->tls is at m+40. newosproc left
- // the m->id in tls[0].
- LEAL m_tls(DX), BP
- MOVL 0(BP), DI
- ADDL $7, DI // m0 is LDT#7. count up.
- // setldt(tls#, &tls, sizeof tls)
- PUSHAL // save registers
- PUSHL $32 // sizeof tls
- PUSHL BP // &tls
- PUSHL DI // tls #
- CALL runtime·setldt(SB)
- POPL AX
- POPL AX
- POPL AX
- POPAL
-
- // Now segment is established. Initialize m, g.
- get_tls(BP)
- MOVL AX, g(BP)
- MOVL DX, m(BP)
- MOVL BX, m_procid(DX) // m->procid = thread port (for debuggers)
- CALL runtime·stackcheck(SB) // smashes AX
- CALL CX // fn()
- CALL runtime·exit1(SB)
- RET
-
-// void bsdthread_register(void)
-// registers callbacks for threadstart (see bsdthread_create above
-// and wqthread and pthsize (not used). returns 0 on success.
-TEXT runtime·bsdthread_register(SB),7,$40
- MOVL $366, AX
- // 0(SP) is where kernel expects caller PC; ignored
- MOVL $runtime·bsdthread_start(SB), 4(SP) // threadstart
- MOVL $0, 8(SP) // wqthread, not used by us
- MOVL $0, 12(SP) // pthsize, not used by us
- MOVL $0, 16(SP) // dummy_value [sic]
- MOVL $0, 20(SP) // targetconc_ptr
- MOVL $0, 24(SP) // dispatchqueue_offset
- INT $0x80
- JAE 2(PC)
- CALL runtime·notok(SB)
- RET
-
-// Invoke Mach system call.
-// Assumes system call number in AX,
-// caller PC on stack, caller's caller PC next,
-// and then the system call arguments.
-//
-// Can be used for BSD too, but we don't,
-// because if you use this interface the BSD
-// system call numbers need an extra field
-// in the high 16 bits that seems to be the
-// argument count in bytes but is not always.
-// INT $0x80 works fine for those.
-TEXT runtime·sysenter(SB),7,$0
- POPL DX
- MOVL SP, CX
- BYTE $0x0F; BYTE $0x34; // SYSENTER
- // returns to DX with SP set to CX
-
-TEXT runtime·mach_msg_trap(SB),7,$0
- MOVL $-31, AX
- CALL runtime·sysenter(SB)
- RET
-
-TEXT runtime·mach_reply_port(SB),7,$0
- MOVL $-26, AX
- CALL runtime·sysenter(SB)
- RET
-
-TEXT runtime·mach_task_self(SB),7,$0
- MOVL $-28, AX
- CALL runtime·sysenter(SB)
- RET
-
-// Mach provides trap versions of the semaphore ops,
-// instead of requiring the use of RPC.
-
-// uint32 mach_semaphore_wait(uint32)
-TEXT runtime·mach_semaphore_wait(SB),7,$0
- MOVL $-36, AX
- CALL runtime·sysenter(SB)
- RET
-
-// uint32 mach_semaphore_timedwait(uint32, uint32, uint32)
-TEXT runtime·mach_semaphore_timedwait(SB),7,$0
- MOVL $-38, AX
- CALL runtime·sysenter(SB)
- RET
-
-// uint32 mach_semaphore_signal(uint32)
-TEXT runtime·mach_semaphore_signal(SB),7,$0
- MOVL $-33, AX
- CALL runtime·sysenter(SB)
- RET
-
-// uint32 mach_semaphore_signal_all(uint32)
-TEXT runtime·mach_semaphore_signal_all(SB),7,$0
- MOVL $-34, AX
- CALL runtime·sysenter(SB)
- RET
-
-// setldt(int entry, int address, int limit)
-// entry and limit are ignored.
-TEXT runtime·setldt(SB),7,$32
- MOVL address+4(FP), BX // aka base
-
- /*
- * When linking against the system libraries,
- * we use its pthread_create and let it set up %gs
- * for us. When we do that, the private storage
- * we get is not at 0(GS) but at 0x468(GS).
- * To insulate the rest of the tool chain from this ugliness,
- * 8l rewrites 0(GS) into 0x468(GS) for us.
- * To accommodate that rewrite, we translate the
- * address and limit here so that 0x468(GS) maps to 0(address).
- *
- * See ../../../../libcgo/darwin_386.c for the derivation
- * of the constant.
- */
- SUBL $0x468, BX
-
- /*
- * Must set up as USER_CTHREAD segment because
- * Darwin forces that value into %gs for signal handlers,
- * and if we don't set one up, we'll get a recursive
- * fault trying to get into the signal handler.
- * Since we have to set one up anyway, it might as
- * well be the value we want. So don't bother with
- * i386_set_ldt.
- */
- MOVL BX, 4(SP)
- MOVL $3, AX // thread_fast_set_cthread_self - machdep call #3
- INT $0x82 // sic: 0x82, not 0x80, for machdep call
-
- XORL AX, AX
- MOVW GS, AX
- RET
diff --git a/src/pkg/runtime/darwin/amd64/defs.h b/src/pkg/runtime/darwin/amd64/defs.h
deleted file mode 100644
index 90f798e8a..000000000
--- a/src/pkg/runtime/darwin/amd64/defs.h
+++ /dev/null
@@ -1,305 +0,0 @@
-// godefs -f -m64 defs.c
-
-// MACHINE GENERATED - DO NOT EDIT.
-
-// Constants
-enum {
- PROT_NONE = 0,
- PROT_READ = 0x1,
- PROT_WRITE = 0x2,
- PROT_EXEC = 0x4,
- MAP_ANON = 0x1000,
- MAP_PRIVATE = 0x2,
- MAP_FIXED = 0x10,
- MACH_MSG_TYPE_MOVE_RECEIVE = 0x10,
- MACH_MSG_TYPE_MOVE_SEND = 0x11,
- MACH_MSG_TYPE_MOVE_SEND_ONCE = 0x12,
- MACH_MSG_TYPE_COPY_SEND = 0x13,
- MACH_MSG_TYPE_MAKE_SEND = 0x14,
- MACH_MSG_TYPE_MAKE_SEND_ONCE = 0x15,
- MACH_MSG_TYPE_COPY_RECEIVE = 0x16,
- MACH_MSG_PORT_DESCRIPTOR = 0,
- MACH_MSG_OOL_DESCRIPTOR = 0x1,
- MACH_MSG_OOL_PORTS_DESCRIPTOR = 0x2,
- MACH_MSG_OOL_VOLATILE_DESCRIPTOR = 0x3,
- MACH_MSGH_BITS_COMPLEX = 0x80000000,
- MACH_SEND_MSG = 0x1,
- MACH_RCV_MSG = 0x2,
- MACH_RCV_LARGE = 0x4,
- MACH_SEND_TIMEOUT = 0x10,
- MACH_SEND_INTERRUPT = 0x40,
- MACH_SEND_CANCEL = 0x80,
- MACH_SEND_ALWAYS = 0x10000,
- MACH_SEND_TRAILER = 0x20000,
- MACH_RCV_TIMEOUT = 0x100,
- MACH_RCV_NOTIFY = 0x200,
- MACH_RCV_INTERRUPT = 0x400,
- MACH_RCV_OVERWRITE = 0x1000,
- NDR_PROTOCOL_2_0 = 0,
- NDR_INT_BIG_ENDIAN = 0,
- NDR_INT_LITTLE_ENDIAN = 0x1,
- NDR_FLOAT_IEEE = 0,
- NDR_CHAR_ASCII = 0,
- SA_SIGINFO = 0x40,
- SA_RESTART = 0x2,
- SA_ONSTACK = 0x1,
- SA_USERTRAMP = 0x100,
- SA_64REGSET = 0x200,
- SIGHUP = 0x1,
- SIGINT = 0x2,
- SIGQUIT = 0x3,
- SIGILL = 0x4,
- SIGTRAP = 0x5,
- SIGABRT = 0x6,
- SIGEMT = 0x7,
- SIGFPE = 0x8,
- SIGKILL = 0x9,
- SIGBUS = 0xa,
- SIGSEGV = 0xb,
- SIGSYS = 0xc,
- SIGPIPE = 0xd,
- SIGALRM = 0xe,
- SIGTERM = 0xf,
- SIGURG = 0x10,
- SIGSTOP = 0x11,
- SIGTSTP = 0x12,
- SIGCONT = 0x13,
- SIGCHLD = 0x14,
- SIGTTIN = 0x15,
- SIGTTOU = 0x16,
- SIGIO = 0x17,
- SIGXCPU = 0x18,
- SIGXFSZ = 0x19,
- SIGVTALRM = 0x1a,
- SIGPROF = 0x1b,
- SIGWINCH = 0x1c,
- SIGINFO = 0x1d,
- SIGUSR1 = 0x1e,
- SIGUSR2 = 0x1f,
- FPE_INTDIV = 0x7,
- FPE_INTOVF = 0x8,
- FPE_FLTDIV = 0x1,
- FPE_FLTOVF = 0x2,
- FPE_FLTUND = 0x3,
- FPE_FLTRES = 0x4,
- FPE_FLTINV = 0x5,
- FPE_FLTSUB = 0x6,
- BUS_ADRALN = 0x1,
- BUS_ADRERR = 0x2,
- BUS_OBJERR = 0x3,
- SEGV_MAPERR = 0x1,
- SEGV_ACCERR = 0x2,
- ITIMER_REAL = 0,
- ITIMER_VIRTUAL = 0x1,
- ITIMER_PROF = 0x2,
-};
-
-// Types
-#pragma pack on
-
-typedef struct MachBody MachBody;
-struct MachBody {
- uint32 msgh_descriptor_count;
-};
-
-typedef struct MachHeader MachHeader;
-struct MachHeader {
- uint32 msgh_bits;
- uint32 msgh_size;
- uint32 msgh_remote_port;
- uint32 msgh_local_port;
- uint32 msgh_reserved;
- int32 msgh_id;
-};
-
-typedef struct MachNDR MachNDR;
-struct MachNDR {
- uint8 mig_vers;
- uint8 if_vers;
- uint8 reserved1;
- uint8 mig_encoding;
- uint8 int_rep;
- uint8 char_rep;
- uint8 float_rep;
- uint8 reserved2;
-};
-
-typedef struct MachPort MachPort;
-struct MachPort {
- uint32 name;
- uint32 pad1;
- uint16 pad2;
- uint8 disposition;
- uint8 type;
-};
-
-typedef struct StackT StackT;
-struct StackT {
- void *ss_sp;
- uint64 ss_size;
- int32 ss_flags;
- byte pad_godefs_0[4];
-};
-
-typedef union Sighandler Sighandler;
-union Sighandler {
- uint64 __sa_handler;
- uint64 __sa_sigaction;
-};
-
-typedef struct Sigaction Sigaction;
-struct Sigaction {
- Sighandler __sigaction_u;
- uint64 sa_tramp;
- uint32 sa_mask;
- int32 sa_flags;
-};
-
-typedef union Sigval Sigval;
-union Sigval {
- int32 sival_int;
- void *sival_ptr;
-};
-
-typedef struct Siginfo Siginfo;
-struct Siginfo {
- int32 si_signo;
- int32 si_errno;
- int32 si_code;
- int32 si_pid;
- uint32 si_uid;
- int32 si_status;
- void *si_addr;
- Sigval si_value;
- int64 si_band;
- uint64 __pad[7];
-};
-
-typedef struct Timeval Timeval;
-struct Timeval {
- int64 tv_sec;
- int32 tv_usec;
- byte pad_godefs_0[4];
-};
-
-typedef struct Itimerval Itimerval;
-struct Itimerval {
- Timeval it_interval;
- Timeval it_value;
-};
-
-typedef struct FPControl FPControl;
-struct FPControl {
- byte pad_godefs_0[2];
-};
-
-typedef struct FPStatus FPStatus;
-struct FPStatus {
- byte pad_godefs_0[2];
-};
-
-typedef struct RegMMST RegMMST;
-struct RegMMST {
- int8 mmst_reg[10];
- int8 mmst_rsrv[6];
-};
-
-typedef struct RegXMM RegXMM;
-struct RegXMM {
- int8 xmm_reg[16];
-};
-
-typedef struct Regs Regs;
-struct Regs {
- uint64 rax;
- uint64 rbx;
- uint64 rcx;
- uint64 rdx;
- uint64 rdi;
- uint64 rsi;
- uint64 rbp;
- uint64 rsp;
- uint64 r8;
- uint64 r9;
- uint64 r10;
- uint64 r11;
- uint64 r12;
- uint64 r13;
- uint64 r14;
- uint64 r15;
- uint64 rip;
- uint64 rflags;
- uint64 cs;
- uint64 fs;
- uint64 gs;
-};
-
-typedef struct FloatState FloatState;
-struct FloatState {
- uint64 fpu_reserved;
- FPControl fpu_fcw;
- FPStatus fpu_fsw;
- uint8 fpu_ftw;
- uint8 fpu_rsrv1;
- uint16 fpu_fop;
- uint32 fpu_ip;
- uint16 fpu_cs;
- uint16 fpu_rsrv2;
- uint32 fpu_dp;
- uint16 fpu_ds;
- uint16 fpu_rsrv3;
- uint32 fpu_mxcsr;
- uint32 fpu_mxcsrmask;
- RegMMST fpu_stmm0;
- RegMMST fpu_stmm1;
- RegMMST fpu_stmm2;
- RegMMST fpu_stmm3;
- RegMMST fpu_stmm4;
- RegMMST fpu_stmm5;
- RegMMST fpu_stmm6;
- RegMMST fpu_stmm7;
- RegXMM fpu_xmm0;
- RegXMM fpu_xmm1;
- RegXMM fpu_xmm2;
- RegXMM fpu_xmm3;
- RegXMM fpu_xmm4;
- RegXMM fpu_xmm5;
- RegXMM fpu_xmm6;
- RegXMM fpu_xmm7;
- RegXMM fpu_xmm8;
- RegXMM fpu_xmm9;
- RegXMM fpu_xmm10;
- RegXMM fpu_xmm11;
- RegXMM fpu_xmm12;
- RegXMM fpu_xmm13;
- RegXMM fpu_xmm14;
- RegXMM fpu_xmm15;
- int8 fpu_rsrv4[96];
- int32 fpu_reserved1;
-};
-
-typedef struct ExceptionState ExceptionState;
-struct ExceptionState {
- uint32 trapno;
- uint32 err;
- uint64 faultvaddr;
-};
-
-typedef struct Mcontext Mcontext;
-struct Mcontext {
- ExceptionState es;
- Regs ss;
- FloatState fs;
- byte pad_godefs_0[4];
-};
-
-typedef struct Ucontext Ucontext;
-struct Ucontext {
- int32 uc_onstack;
- uint32 uc_sigmask;
- StackT uc_stack;
- uint64 uc_link;
- uint64 uc_mcsize;
- Mcontext *uc_mcontext;
-};
-#pragma pack off
diff --git a/src/pkg/runtime/darwin/amd64/rt0.s b/src/pkg/runtime/darwin/amd64/rt0.s
deleted file mode 100644
index 4cfab5876..000000000
--- a/src/pkg/runtime/darwin/amd64/rt0.s
+++ /dev/null
@@ -1,10 +0,0 @@
-// 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.
-
-// Darwin and Linux use the same linkage to main
-
-TEXT _rt0_amd64_darwin(SB),7,$-8
- MOVQ $_rt0_amd64(SB), AX
- MOVQ SP, DI
- JMP AX
diff --git a/src/pkg/runtime/darwin/amd64/signal.c b/src/pkg/runtime/darwin/amd64/signal.c
deleted file mode 100644
index 036a3aca7..000000000
--- a/src/pkg/runtime/darwin/amd64/signal.c
+++ /dev/null
@@ -1,204 +0,0 @@
-// 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.
-
-#include "runtime.h"
-#include "defs.h"
-#include "os.h"
-#include "signals.h"
-
-void
-runtime·dumpregs(Regs *r)
-{
- runtime·printf("rax %X\n", r->rax);
- runtime·printf("rbx %X\n", r->rbx);
- runtime·printf("rcx %X\n", r->rcx);
- runtime·printf("rdx %X\n", r->rdx);
- runtime·printf("rdi %X\n", r->rdi);
- runtime·printf("rsi %X\n", r->rsi);
- runtime·printf("rbp %X\n", r->rbp);
- runtime·printf("rsp %X\n", r->rsp);
- runtime·printf("r8 %X\n", r->r8 );
- runtime·printf("r9 %X\n", r->r9 );
- runtime·printf("r10 %X\n", r->r10);
- runtime·printf("r11 %X\n", r->r11);
- runtime·printf("r12 %X\n", r->r12);
- runtime·printf("r13 %X\n", r->r13);
- runtime·printf("r14 %X\n", r->r14);
- runtime·printf("r15 %X\n", r->r15);
- runtime·printf("rip %X\n", r->rip);
- runtime·printf("rflags %X\n", r->rflags);
- runtime·printf("cs %X\n", r->cs);
- runtime·printf("fs %X\n", r->fs);
- runtime·printf("gs %X\n", r->gs);
-}
-
-String
-runtime·signame(int32 sig)
-{
- if(sig < 0 || sig >= NSIG)
- return runtime·emptystring;
- return runtime·gostringnocopy((byte*)runtime·sigtab[sig].name);
-}
-
-void
-runtime·sighandler(int32 sig, Siginfo *info, void *context, G *gp)
-{
- Ucontext *uc;
- Mcontext *mc;
- Regs *r;
- uintptr *sp;
- byte *pc;
-
- uc = context;
- mc = uc->uc_mcontext;
- r = &mc->ss;
-
- if(sig == SIGPROF) {
- runtime·sigprof((uint8*)r->rip, (uint8*)r->rsp, nil, gp);
- return;
- }
-
- if(gp != nil && (runtime·sigtab[sig].flags & SigPanic)) {
- // Work around Leopard bug that doesn't set FPE_INTDIV.
- // Look at instruction to see if it is a divide.
- // Not necessary in Snow Leopard (si_code will be != 0).
- if(sig == SIGFPE && info->si_code == 0) {
- pc = (byte*)r->rip;
- if((pc[0]&0xF0) == 0x40) // 64-bit REX prefix
- pc++;
- else if(pc[0] == 0x66) // 16-bit instruction prefix
- pc++;
- if(pc[0] == 0xF6 || pc[0] == 0xF7)
- info->si_code = FPE_INTDIV;
- }
-
- // Make it look like a call to the signal func.
- // Have to pass arguments out of band since
- // augmenting the stack frame would break
- // the unwinding code.
- gp->sig = sig;
- gp->sigcode0 = info->si_code;
- gp->sigcode1 = (uintptr)info->si_addr;
- gp->sigpc = r->rip;
-
- // Only push runtime·sigpanic if r->rip != 0.
- // If r->rip == 0, probably panicked because of a
- // call to a nil func. Not pushing that onto sp will
- // make the trace look like a call to runtime·sigpanic instead.
- // (Otherwise the trace will end at runtime·sigpanic and we
- // won't get to see who faulted.)
- if(r->rip != 0) {
- sp = (uintptr*)r->rsp;
- *--sp = r->rip;
- r->rsp = (uintptr)sp;
- }
- r->rip = (uintptr)runtime·sigpanic;
- return;
- }
-
- if(runtime·sigtab[sig].flags & SigQueue) {
- if(runtime·sigsend(sig) || (runtime·sigtab[sig].flags & SigIgnore))
- return;
- runtime·exit(2); // SIGINT, SIGTERM, etc
- }
-
- if(runtime·panicking) // traceback already printed
- runtime·exit(2);
- runtime·panicking = 1;
-
- if(sig < 0 || sig >= NSIG){
- runtime·printf("Signal %d\n", sig);
- }else{
- runtime·printf("%s\n", runtime·sigtab[sig].name);
- }
-
- runtime·printf("pc: %X\n", r->rip);
- runtime·printf("\n");
-
- if(runtime·gotraceback()){
- runtime·traceback((void*)r->rip, (void*)r->rsp, 0, gp);
- runtime·tracebackothers(gp);
- runtime·dumpregs(r);
- }
-
- runtime·exit(2);
-}
-
-void
-runtime·sigignore(int32, Siginfo*, void*)
-{
-}
-
-void
-runtime·signalstack(byte *p, int32 n)
-{
- StackT st;
-
- st.ss_sp = p;
- st.ss_size = n;
- st.ss_flags = 0;
- runtime·sigaltstack(&st, nil);
-}
-
-static void
-sigaction(int32 i, void (*fn)(int32, Siginfo*, void*, G*), bool restart)
-{
- Sigaction sa;
-
- runtime·memclr((byte*)&sa, sizeof sa);
- sa.sa_flags = SA_SIGINFO|SA_ONSTACK;
- if(restart)
- sa.sa_flags |= SA_RESTART;
- sa.sa_mask = ~0ULL;
- sa.sa_tramp = (uintptr)runtime·sigtramp; // runtime·sigtramp's job is to call into real handler
- sa.__sigaction_u.__sa_sigaction = (uintptr)fn;
- runtime·sigaction(i, &sa, nil);
-}
-
-void
-runtime·initsig(int32 queue)
-{
- int32 i;
- void *fn;
-
- runtime·siginit();
-
- for(i = 0; i<NSIG; i++) {
- if(runtime·sigtab[i].flags) {
- if((runtime·sigtab[i].flags & SigQueue) != queue)
- continue;
- if(runtime·sigtab[i].flags & (SigCatch | SigQueue))
- fn = runtime·sighandler;
- else
- fn = runtime·sigignore;
- sigaction(i, fn, (runtime·sigtab[i].flags & SigRestart) != 0);
- }
- }
-}
-
-void
-runtime·resetcpuprofiler(int32 hz)
-{
- Itimerval it;
-
- runtime·memclr((byte*)&it, sizeof it);
- if(hz == 0) {
- runtime·setitimer(ITIMER_PROF, &it, nil);
- sigaction(SIGPROF, SIG_IGN, true);
- } else {
- sigaction(SIGPROF, runtime·sighandler, true);
- it.it_interval.tv_sec = 0;
- it.it_interval.tv_usec = 1000000 / hz;
- it.it_value = it.it_interval;
- runtime·setitimer(ITIMER_PROF, &it, nil);
- }
- m->profilehz = hz;
-}
-
-void
-os·sigpipe(void)
-{
- sigaction(SIGPIPE, SIG_DFL, false);
- runtime·raisesigpipe();
-}
diff --git a/src/pkg/runtime/darwin/amd64/sys.s b/src/pkg/runtime/darwin/amd64/sys.s
deleted file mode 100644
index 8d1b20f11..000000000
--- a/src/pkg/runtime/darwin/amd64/sys.s
+++ /dev/null
@@ -1,295 +0,0 @@
-// 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.
-
-//
-// System calls and other sys.stuff for AMD64, Darwin
-// See http://fxr.watson.org/fxr/source/bsd/kern/syscalls.c?v=xnu-1228
-// or /usr/include/sys/syscall.h (on a Mac) for system call numbers.
-//
-// The low 24 bits are the system call number.
-// The high 8 bits specify the kind of system call: 1=Mach, 2=BSD, 3=Machine-Dependent.
-//
-
-#include "amd64/asm.h"
-
-// Exit the entire program (like C exit)
-TEXT runtime·exit(SB),7,$0
- MOVL 8(SP), DI // arg 1 exit status
- MOVL $(0x2000000+1), AX // syscall entry
- SYSCALL
- CALL runtime·notok(SB)
- RET
-
-// Exit this OS thread (like pthread_exit, which eventually
-// calls __bsdthread_terminate).
-TEXT runtime·exit1(SB),7,$0
- MOVL 8(SP), DI // arg 1 exit status
- MOVL $(0x2000000+361), AX // syscall entry
- SYSCALL
- CALL runtime·notok(SB)
- RET
-
-TEXT runtime·write(SB),7,$0
- MOVL 8(SP), DI // arg 1 fd
- MOVQ 16(SP), SI // arg 2 buf
- MOVL 24(SP), DX // arg 3 count
- MOVL $(0x2000000+4), AX // syscall entry
- SYSCALL
- RET
-
-TEXT runtime·raisesigpipe(SB),7,$24
- get_tls(CX)
- MOVQ m(CX), DX
- MOVL $13, DI // arg 1 SIGPIPE
- MOVQ m_procid(DX), SI // arg 2 thread_port
- MOVL $(0x2000000+328), AX // syscall entry __pthread_kill
- SYSCALL
- RET
-
-TEXT runtime·setitimer(SB), 7, $0
- MOVL 8(SP), DI
- MOVQ 16(SP), SI
- MOVQ 24(SP), DX
- MOVL $(0x2000000+83), AX // syscall entry
- SYSCALL
- RET
-
-// void gettime(int64 *sec, int32 *usec)
-TEXT runtime·gettime(SB), 7, $32
- MOVQ SP, DI // must be non-nil, unused
- MOVQ $0, SI
- MOVL $(0x2000000+116), AX
- SYSCALL
- MOVQ sec+0(FP), DI
- MOVQ AX, (DI)
- MOVQ usec+8(FP), DI
- MOVL DX, (DI)
- RET
-
-TEXT runtime·sigaction(SB),7,$0
- MOVL 8(SP), DI // arg 1 sig
- MOVQ 16(SP), SI // arg 2 act
- MOVQ 24(SP), DX // arg 3 oact
- MOVQ 24(SP), CX // arg 3 oact
- MOVQ 24(SP), R10 // arg 3 oact
- MOVL $(0x2000000+46), AX // syscall entry
- SYSCALL
- JCC 2(PC)
- CALL runtime·notok(SB)
- RET
-
-TEXT runtime·sigtramp(SB),7,$64
- get_tls(BX)
-
- // save g
- MOVQ g(BX), R10
- MOVQ R10, 48(SP)
-
- // g = m->gsignal
- MOVQ m(BX), BP
- MOVQ m_gsignal(BP), BP
- MOVQ BP, g(BX)
-
- MOVL DX, 0(SP)
- MOVQ CX, 8(SP)
- MOVQ R8, 16(SP)
- MOVQ R10, 24(SP)
-
- MOVQ R8, 32(SP) // save ucontext
- MOVQ SI, 40(SP) // save infostyle
- CALL DI
-
- // restore g
- get_tls(BX)
- MOVQ 48(SP), R10
- MOVQ R10, g(BX)
-
- // call sigreturn
- MOVL $(0x2000000+184), AX // sigreturn(ucontext, infostyle)
- MOVQ 32(SP), DI // saved ucontext
- MOVQ 40(SP), SI // saved infostyle
- SYSCALL
- INT $3 // not reached
-
-TEXT runtime·mmap(SB),7,$0
- MOVQ 8(SP), DI // arg 1 addr
- MOVQ 16(SP), SI // arg 2 len
- MOVL 24(SP), DX // arg 3 prot
- MOVL 28(SP), R10 // arg 4 flags
- MOVL 32(SP), R8 // arg 5 fid
- MOVL 36(SP), R9 // arg 6 offset
- MOVL $(0x2000000+197), AX // syscall entry
- SYSCALL
- RET
-
-TEXT runtime·munmap(SB),7,$0
- MOVQ 8(SP), DI // arg 1 addr
- MOVQ 16(SP), SI // arg 2 len
- MOVL $(0x2000000+73), AX // syscall entry
- SYSCALL
- JCC 2(PC)
- CALL runtime·notok(SB)
- RET
-
-TEXT runtime·notok(SB),7,$0
- MOVL $0xf1, BP
- MOVQ BP, (BP)
- RET
-
-TEXT runtime·sigaltstack(SB),7,$0
- MOVQ new+8(SP), DI
- MOVQ old+16(SP), SI
- MOVQ $(0x2000000+53), AX
- SYSCALL
- JCC 2(PC)
- CALL runtime·notok(SB)
- RET
-
-// void bsdthread_create(void *stk, M *m, G *g, void (*fn)(void))
-TEXT runtime·bsdthread_create(SB),7,$0
- // Set up arguments to bsdthread_create system call.
- // The ones in quotes pass through to the thread callback
- // uninterpreted, so we can put whatever we want there.
- MOVQ fn+32(SP), DI // "func"
- MOVQ mm+16(SP), SI // "arg"
- MOVQ stk+8(SP), DX // stack
- MOVQ gg+24(SP), R10 // "pthread"
- MOVQ $0x01000000, R8 // flags = PTHREAD_START_CUSTOM
- MOVQ $0, R9 // paranoia
- MOVQ $(0x2000000+360), AX // bsdthread_create
- SYSCALL
- JCC 3(PC)
- NEGL AX
- RET
- MOVL $0, AX
- RET
-
-// The thread that bsdthread_create creates starts executing here,
-// because we registered this function using bsdthread_register
-// at startup.
-// DI = "pthread"
-// SI = mach thread port
-// DX = "func" (= fn)
-// CX = "arg" (= m)
-// R8 = stack
-// R9 = flags (= 0)
-// SP = stack - C_64_REDZONE_LEN (= stack - 128)
-TEXT runtime·bsdthread_start(SB),7,$0
- MOVQ R8, SP // empirically, SP is very wrong but R8 is right
-
- PUSHQ DX
- PUSHQ CX
- PUSHQ SI
-
- // set up thread local storage pointing at m->tls.
- LEAQ m_tls(CX), DI
- CALL runtime·settls(SB)
-
- POPQ SI
- POPQ CX
- POPQ DX
-
- get_tls(BX)
- MOVQ CX, m(BX)
- MOVQ SI, m_procid(CX) // thread port is m->procid
- MOVQ m_g0(CX), AX
- MOVQ AX, g(BX)
- CALL runtime·stackcheck(SB) // smashes AX, CX
- CALL DX // fn
- CALL runtime·exit1(SB)
- RET
-
-// void bsdthread_register(void)
-// registers callbacks for threadstart (see bsdthread_create above
-// and wqthread and pthsize (not used). returns 0 on success.
-TEXT runtime·bsdthread_register(SB),7,$0
- MOVQ $runtime·bsdthread_start(SB), DI // threadstart
- MOVQ $0, SI // wqthread, not used by us
- MOVQ $0, DX // pthsize, not used by us
- MOVQ $0, R10 // dummy_value [sic]
- MOVQ $0, R8 // targetconc_ptr
- MOVQ $0, R9 // dispatchqueue_offset
- MOVQ $(0x2000000+366), AX // bsdthread_register
- SYSCALL
- JCC 2(PC)
- CALL runtime·notok(SB)
- RET
-
-// Mach system calls use 0x1000000 instead of the BSD's 0x2000000.
-
-// uint32 mach_msg_trap(void*, uint32, uint32, uint32, uint32, uint32, uint32)
-TEXT runtime·mach_msg_trap(SB),7,$0
- MOVQ 8(SP), DI
- MOVL 16(SP), SI
- MOVL 20(SP), DX
- MOVL 24(SP), R10
- MOVL 28(SP), R8
- MOVL 32(SP), R9
- MOVL 36(SP), R11
- PUSHQ R11 // seventh arg, on stack
- MOVL $(0x1000000+31), AX // mach_msg_trap
- SYSCALL
- POPQ R11
- RET
-
-TEXT runtime·mach_task_self(SB),7,$0
- MOVL $(0x1000000+28), AX // task_self_trap
- SYSCALL
- RET
-
-TEXT runtime·mach_thread_self(SB),7,$0
- MOVL $(0x1000000+27), AX // thread_self_trap
- SYSCALL
- RET
-
-TEXT runtime·mach_reply_port(SB),7,$0
- MOVL $(0x1000000+26), AX // mach_reply_port
- SYSCALL
- RET
-
-// Mach provides trap versions of the semaphore ops,
-// instead of requiring the use of RPC.
-
-// uint32 mach_semaphore_wait(uint32)
-TEXT runtime·mach_semaphore_wait(SB),7,$0
- MOVL 8(SP), DI
- MOVL $(0x1000000+36), AX // semaphore_wait_trap
- SYSCALL
- RET
-
-// uint32 mach_semaphore_timedwait(uint32, uint32, uint32)
-TEXT runtime·mach_semaphore_timedwait(SB),7,$0
- MOVL 8(SP), DI
- MOVL 12(SP), SI
- MOVL 16(SP), DX
- MOVL $(0x1000000+38), AX // semaphore_timedwait_trap
- SYSCALL
- RET
-
-// uint32 mach_semaphore_signal(uint32)
-TEXT runtime·mach_semaphore_signal(SB),7,$0
- MOVL 8(SP), DI
- MOVL $(0x1000000+33), AX // semaphore_signal_trap
- SYSCALL
- RET
-
-// uint32 mach_semaphore_signal_all(uint32)
-TEXT runtime·mach_semaphore_signal_all(SB),7,$0
- MOVL 8(SP), DI
- MOVL $(0x1000000+34), AX // semaphore_signal_all_trap
- SYSCALL
- RET
-
-// set tls base to DI
-TEXT runtime·settls(SB),7,$32
- /*
- * Same as in ../386/sys.s:/ugliness, different constant.
- * See ../../../../libcgo/darwin_amd64.c for the derivation
- * of the constant.
- */
- SUBQ $0x8a0, DI
-
- MOVL $(0x3000000+3), AX // thread_fast_set_cthread_self - machdep call #3
- SYSCALL
- RET
diff --git a/src/pkg/runtime/darwin/defs.c b/src/pkg/runtime/darwin/defs.c
deleted file mode 100644
index 032a6bcbb..000000000
--- a/src/pkg/runtime/darwin/defs.c
+++ /dev/null
@@ -1,159 +0,0 @@
-// 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
- */
-
-#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>
-
-enum {
- $PROT_NONE = PROT_NONE,
- $PROT_READ = PROT_READ,
- $PROT_WRITE = PROT_WRITE,
- $PROT_EXEC = PROT_EXEC,
-
- $MAP_ANON = MAP_ANON,
- $MAP_PRIVATE = MAP_PRIVATE,
- $MAP_FIXED = 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_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_MSGH_BITS_COMPLEX = MACH_MSGH_BITS_COMPLEX,
-
- $MACH_SEND_MSG = MACH_SEND_MSG,
- $MACH_RCV_MSG = MACH_RCV_MSG,
- $MACH_RCV_LARGE = 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,
-
- $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,
-
- $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,
-};
-
-typedef mach_msg_body_t $MachBody;
-typedef mach_msg_header_t $MachHeader;
-typedef NDR_record_t $MachNDR;
-typedef mach_msg_port_descriptor_t $MachPort;
-
-typedef stack_t $StackT;
-typedef union __sigaction_u $Sighandler;
-
-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;
-
-typedef struct fp_control $FPControl;
-typedef struct fp_status $FPStatus;
-typedef struct mmst_reg $RegMMST;
-typedef struct xmm_reg $RegXMM;
-
-#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
-
-typedef ucontext_t $Ucontext;
diff --git a/src/pkg/runtime/darwin/mem.c b/src/pkg/runtime/darwin/mem.c
deleted file mode 100644
index 935c032bc..000000000
--- a/src/pkg/runtime/darwin/mem.c
+++ /dev/null
@@ -1,55 +0,0 @@
-#include "runtime.h"
-#include "defs.h"
-#include "os.h"
-#include "malloc.h"
-
-void*
-runtime·SysAlloc(uintptr n)
-{
- void *v;
-
- mstats.sys += n;
- v = runtime·mmap(nil, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_PRIVATE, -1, 0);
- if(v < (void*)4096)
- return nil;
- return v;
-}
-
-void
-runtime·SysUnused(void *v, uintptr n)
-{
- USED(v);
- USED(n);
- // TODO(rsc): call madvise MADV_DONTNEED
-}
-
-void
-runtime·SysFree(void *v, uintptr n)
-{
- mstats.sys -= n;
- runtime·munmap(v, n);
-}
-
-void*
-runtime·SysReserve(void *v, uintptr n)
-{
- return runtime·mmap(v, n, PROT_NONE, MAP_ANON|MAP_PRIVATE, -1, 0);
-}
-
-enum
-{
- ENOMEM = 12,
-};
-
-void
-runtime·SysMap(void *v, uintptr n)
-{
- void *p;
-
- mstats.sys += n;
- p = runtime·mmap(v, n, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_ANON|MAP_FIXED|MAP_PRIVATE, -1, 0);
- if(p == (void*)-ENOMEM)
- runtime·throw("runtime: out of memory");
- if(p != v)
- runtime·throw("runtime: cannot map pages in arena address space");
-}
diff --git a/src/pkg/runtime/darwin/os.h b/src/pkg/runtime/darwin/os.h
deleted file mode 100644
index db3c2e8a7..000000000
--- a/src/pkg/runtime/darwin/os.h
+++ /dev/null
@@ -1,31 +0,0 @@
-// 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.
-
-#define SIG_DFL ((void*)0)
-#define SIG_IGN ((void*)1)
-
-int32 runtime·bsdthread_create(void*, M*, G*, void(*)(void));
-void runtime·bsdthread_register(void);
-int32 runtime·mach_msg_trap(MachHeader*, int32, uint32, uint32, uint32, uint32, uint32);
-uint32 runtime·mach_reply_port(void);
-void runtime·mach_semacquire(uint32);
-uint32 runtime·mach_semcreate(void);
-void runtime·mach_semdestroy(uint32);
-void runtime·mach_semrelease(uint32);
-void runtime·mach_semreset(uint32);
-uint32 runtime·mach_task_self(void);
-uint32 runtime·mach_task_self(void);
-uint32 runtime·mach_thread_self(void);
-uint32 runtime·mach_thread_self(void);
-
-struct Sigaction;
-void runtime·sigaction(uintptr, struct Sigaction*, struct Sigaction*);
-
-struct StackT;
-void runtime·sigaltstack(struct StackT*, struct StackT*);
-void runtime·sigtramp(void);
-void runtime·sigpanic(void);
-void runtime·setitimer(int32, Itimerval*, Itimerval*);
-
-void runtime·raisesigpipe(void);
diff --git a/src/pkg/runtime/darwin/signals.h b/src/pkg/runtime/darwin/signals.h
deleted file mode 100644
index 035027fad..000000000
--- a/src/pkg/runtime/darwin/signals.h
+++ /dev/null
@@ -1,51 +0,0 @@
-// 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.
-
-#define C SigCatch
-#define I SigIgnore
-#define R SigRestart
-#define Q SigQueue
-#define P SigPanic
-
-SigTab runtime·sigtab[] = {
- /* 0 */ 0, "SIGNONE: no trap",
- /* 1 */ Q+R, "SIGHUP: terminal line hangup",
- /* 2 */ Q+R, "SIGINT: interrupt",
- /* 3 */ C, "SIGQUIT: quit",
- /* 4 */ C, "SIGILL: illegal instruction",
- /* 5 */ C, "SIGTRAP: trace trap", /* used by panic and array out of bounds, etc. */
- /* 6 */ C, "SIGABRT: abort",
- /* 7 */ C, "SIGEMT: emulate instruction executed",
- /* 8 */ C+P, "SIGFPE: floating-point exception",
- /* 9 */ 0, "SIGKILL: kill",
- /* 10 */ C+P, "SIGBUS: bus error",
- /* 11 */ C+P, "SIGSEGV: segmentation violation",
- /* 12 */ C, "SIGSYS: bad system call",
- /* 13 */ I, "SIGPIPE: write to broken pipe",
- /* 14 */ Q+I+R, "SIGALRM: alarm clock",
- /* 15 */ Q+R, "SIGTERM: termination",
- /* 16 */ Q+I+R, "SIGURG: urgent condition on socket",
- /* 17 */ 0, "SIGSTOP: stop",
- /* 18 */ Q+I+R, "SIGTSTP: keyboard stop",
- /* 19 */ 0, "SIGCONT: continue after stop",
- /* 20 */ Q+I+R, "SIGCHLD: child status has changed",
- /* 21 */ Q+I+R, "SIGTTIN: background read from tty",
- /* 22 */ Q+I+R, "SIGTTOU: background write to tty",
- /* 23 */ Q+I+R, "SIGIO: i/o now possible",
- /* 24 */ Q+I+R, "SIGXCPU: cpu limit exceeded",
- /* 25 */ Q+I+R, "SIGXFSZ: file size limit exceeded",
- /* 26 */ Q+I+R, "SIGVTALRM: virtual alarm clock",
- /* 27 */ Q+I+R, "SIGPROF: profiling alarm clock",
- /* 28 */ Q+I+R, "SIGWINCH: window size change",
- /* 29 */ Q+I+R, "SIGINFO: status request from keyboard",
- /* 30 */ Q+I+R, "SIGUSR1: user-defined signal 1",
- /* 31 */ Q+I+R, "SIGUSR2: user-defined signal 2",
-};
-#undef C
-#undef I
-#undef R
-#undef Q
-#undef P
-
-#define NSIG 32
diff --git a/src/pkg/runtime/darwin/thread.c b/src/pkg/runtime/darwin/thread.c
deleted file mode 100644
index 6733e815e..000000000
--- a/src/pkg/runtime/darwin/thread.c
+++ /dev/null
@@ -1,484 +0,0 @@
-// 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.
-
-#include "runtime.h"
-#include "defs.h"
-#include "os.h"
-#include "stack.h"
-
-extern SigTab runtime·sigtab[];
-
-static void
-unimplemented(int8 *name)
-{
- runtime·prints(name);
- runtime·prints(" not implemented\n");
- *(int32*)1231 = 1231;
-}
-
-// Thread-safe allocation of a semaphore.
-// Psema points at a kernel semaphore key.
-// It starts out zero, meaning no semaphore.
-// Fill it in, being careful of others calling initsema
-// simultaneously.
-static void
-initsema(uint32 *psema)
-{
- uint32 sema;
-
- if(*psema != 0) // already have one
- return;
-
- sema = runtime·mach_semcreate();
- if(!runtime·cas(psema, 0, sema)){
- // Someone else filled it in. Use theirs.
- runtime·mach_semdestroy(sema);
- return;
- }
-}
-
-
-// Blocking locks.
-
-// Implement Locks, using semaphores.
-// l->key is the number of threads who want the lock.
-// In a race, one thread increments l->key from 0 to 1
-// and the others increment it from >0 to >1. The thread
-// who does the 0->1 increment gets the lock, and the
-// others wait on the semaphore. When the 0->1 thread
-// releases the lock by decrementing l->key, l->key will
-// be >0, so it will increment the semaphore to wake up
-// one of the others. This is the same algorithm used
-// in Plan 9's user-level locks.
-
-void
-runtime·lock(Lock *l)
-{
- if(m->locks < 0)
- runtime·throw("lock count");
- m->locks++;
-
- if(runtime·xadd(&l->key, 1) > 1) { // someone else has it; wait
- // Allocate semaphore if needed.
- if(l->sema == 0)
- initsema(&l->sema);
- runtime·mach_semacquire(l->sema);
- }
-}
-
-void
-runtime·unlock(Lock *l)
-{
- m->locks--;
- if(m->locks < 0)
- runtime·throw("lock count");
-
- if(runtime·xadd(&l->key, -1) > 0) { // someone else is waiting
- // Allocate semaphore if needed.
- if(l->sema == 0)
- initsema(&l->sema);
- runtime·mach_semrelease(l->sema);
- }
-}
-
-static void
-destroylock(Lock *l)
-{
- if(l->sema != 0) {
- runtime·mach_semdestroy(l->sema);
- l->sema = 0;
- }
-}
-
-// User-level semaphore implementation:
-// try to do the operations in user space on u,
-// but when it's time to block, fall back on the kernel semaphore k.
-// This is the same algorithm used in Plan 9.
-void
-runtime·usemacquire(Usema *s)
-{
- if((int32)runtime·xadd(&s->u, -1) < 0) {
- if(s->k == 0)
- initsema(&s->k);
- runtime·mach_semacquire(s->k);
- }
-}
-
-void
-runtime·usemrelease(Usema *s)
-{
- if((int32)runtime·xadd(&s->u, 1) <= 0) {
- if(s->k == 0)
- initsema(&s->k);
- runtime·mach_semrelease(s->k);
- }
-}
-
-
-// Event notifications.
-void
-runtime·noteclear(Note *n)
-{
- n->wakeup = 0;
-}
-
-void
-runtime·notesleep(Note *n)
-{
- while(!n->wakeup)
- runtime·usemacquire(&n->sema);
-}
-
-void
-runtime·notewakeup(Note *n)
-{
- n->wakeup = 1;
- runtime·usemrelease(&n->sema);
-}
-
-
-// BSD interface for threading.
-void
-runtime·osinit(void)
-{
- // Register our thread-creation callback (see {amd64,386}/sys.s)
- // but only if we're not using cgo. If we are using cgo we need
- // to let the C pthread libary install its own thread-creation callback.
- if(!runtime·iscgo)
- runtime·bsdthread_register();
- runtime·destroylock = destroylock;
-}
-
-void
-runtime·goenvs(void)
-{
- runtime·goenvs_unix();
-}
-
-void
-runtime·newosproc(M *m, G *g, void *stk, void (*fn)(void))
-{
- int32 errno;
-
- m->tls[0] = m->id; // so 386 asm can find it
- if(0){
- runtime·printf("newosproc stk=%p m=%p g=%p fn=%p id=%d/%d ostk=%p\n",
- stk, m, g, fn, m->id, m->tls[0], &m);
- }
- if((errno = runtime·bsdthread_create(stk, m, g, fn)) < 0) {
- runtime·printf("runtime: failed to create new OS thread (have %d already; errno=%d)\n", runtime·mcount(), -errno);
- runtime·throw("runtime.newosproc");
- }
-}
-
-// Called to initialize a new m (including the bootstrap m).
-void
-runtime·minit(void)
-{
- // Initialize signal handling.
- m->gsignal = runtime·malg(32*1024); // OS X wants >=8K, Linux >=2K
- runtime·signalstack(m->gsignal->stackguard - StackGuard, 32*1024);
-}
-
-// Mach IPC, to get at semaphores
-// Definitions are in /usr/include/mach on a Mac.
-
-static void
-macherror(int32 r, int8 *fn)
-{
- runtime·printf("mach error %s: %d\n", fn, r);
- runtime·throw("mach error");
-}
-
-enum
-{
- DebugMach = 0
-};
-
-static MachNDR zerondr;
-
-#define MACH_MSGH_BITS(a, b) ((a) | ((b)<<8))
-
-static int32
-mach_msg(MachHeader *h,
- int32 op,
- uint32 send_size,
- uint32 rcv_size,
- uint32 rcv_name,
- uint32 timeout,
- uint32 notify)
-{
- // TODO: Loop on interrupt.
- return runtime·mach_msg_trap(h, op, send_size, rcv_size, rcv_name, timeout, notify);
-}
-
-// Mach RPC (MIG)
-
-enum
-{
- MinMachMsg = 48,
- Reply = 100,
-};
-
-#pragma pack on
-typedef struct CodeMsg CodeMsg;
-struct CodeMsg
-{
- MachHeader h;
- MachNDR NDR;
- int32 code;
-};
-#pragma pack off
-
-static int32
-machcall(MachHeader *h, int32 maxsize, int32 rxsize)
-{
- uint32 *p;
- int32 i, ret, id;
- uint32 port;
- CodeMsg *c;
-
- if((port = m->machport) == 0){
- port = runtime·mach_reply_port();
- m->machport = port;
- }
-
- h->msgh_bits |= MACH_MSGH_BITS(MACH_MSG_TYPE_COPY_SEND, MACH_MSG_TYPE_MAKE_SEND_ONCE);
- h->msgh_local_port = port;
- h->msgh_reserved = 0;
- id = h->msgh_id;
-
- if(DebugMach){
- p = (uint32*)h;
- runtime·prints("send:\t");
- for(i=0; i<h->msgh_size/sizeof(p[0]); i++){
- runtime·prints(" ");
- runtime·printpointer((void*)p[i]);
- if(i%8 == 7)
- runtime·prints("\n\t");
- }
- if(i%8)
- runtime·prints("\n");
- }
-
- ret = mach_msg(h, MACH_SEND_MSG|MACH_RCV_MSG,
- h->msgh_size, maxsize, port, 0, 0);
- if(ret != 0){
- if(DebugMach){
- runtime·prints("mach_msg error ");
- runtime·printint(ret);
- runtime·prints("\n");
- }
- return ret;
- }
-
- if(DebugMach){
- p = (uint32*)h;
- runtime·prints("recv:\t");
- for(i=0; i<h->msgh_size/sizeof(p[0]); i++){
- runtime·prints(" ");
- runtime·printpointer((void*)p[i]);
- if(i%8 == 7)
- runtime·prints("\n\t");
- }
- if(i%8)
- runtime·prints("\n");
- }
-
- if(h->msgh_id != id+Reply){
- if(DebugMach){
- runtime·prints("mach_msg reply id mismatch ");
- runtime·printint(h->msgh_id);
- runtime·prints(" != ");
- runtime·printint(id+Reply);
- runtime·prints("\n");
- }
- return -303; // MIG_REPLY_MISMATCH
- }
-
- // Look for a response giving the return value.
- // Any call can send this back with an error,
- // and some calls only have return values so they
- // send it back on success too. I don't quite see how
- // you know it's one of these and not the full response
- // format, so just look if the message is right.
- c = (CodeMsg*)h;
- if(h->msgh_size == sizeof(CodeMsg)
- && !(h->msgh_bits & MACH_MSGH_BITS_COMPLEX)){
- if(DebugMach){
- runtime·prints("mig result ");
- runtime·printint(c->code);
- runtime·prints("\n");
- }
- return c->code;
- }
-
- if(h->msgh_size != rxsize){
- if(DebugMach){
- runtime·prints("mach_msg reply size mismatch ");
- runtime·printint(h->msgh_size);
- runtime·prints(" != ");
- runtime·printint(rxsize);
- runtime·prints("\n");
- }
- return -307; // MIG_ARRAY_TOO_LARGE
- }
-
- return 0;
-}
-
-
-// Semaphores!
-
-enum
-{
- Tmach_semcreate = 3418,
- Rmach_semcreate = Tmach_semcreate + Reply,
-
- Tmach_semdestroy = 3419,
- Rmach_semdestroy = Tmach_semdestroy + Reply,
-
- // Mach calls that get interrupted by Unix signals
- // return this error code. We retry them.
- KERN_ABORTED = 14,
-};
-
-typedef struct Tmach_semcreateMsg Tmach_semcreateMsg;
-typedef struct Rmach_semcreateMsg Rmach_semcreateMsg;
-typedef struct Tmach_semdestroyMsg Tmach_semdestroyMsg;
-// Rmach_semdestroyMsg = CodeMsg
-
-#pragma pack on
-struct Tmach_semcreateMsg
-{
- MachHeader h;
- MachNDR ndr;
- int32 policy;
- int32 value;
-};
-
-struct Rmach_semcreateMsg
-{
- MachHeader h;
- MachBody body;
- MachPort semaphore;
-};
-
-struct Tmach_semdestroyMsg
-{
- MachHeader h;
- MachBody body;
- MachPort semaphore;
-};
-#pragma pack off
-
-uint32
-runtime·mach_semcreate(void)
-{
- union {
- Tmach_semcreateMsg tx;
- Rmach_semcreateMsg rx;
- uint8 pad[MinMachMsg];
- } m;
- int32 r;
-
- m.tx.h.msgh_bits = 0;
- m.tx.h.msgh_size = sizeof(m.tx);
- m.tx.h.msgh_remote_port = runtime·mach_task_self();
- m.tx.h.msgh_id = Tmach_semcreate;
- m.tx.ndr = zerondr;
-
- m.tx.policy = 0; // 0 = SYNC_POLICY_FIFO
- m.tx.value = 0;
-
- while((r = machcall(&m.tx.h, sizeof m, sizeof(m.rx))) != 0){
- if(r == KERN_ABORTED) // interrupted
- continue;
- macherror(r, "semaphore_create");
- }
- if(m.rx.body.msgh_descriptor_count != 1)
- unimplemented("mach_semcreate desc count");
- return m.rx.semaphore.name;
-}
-
-void
-runtime·mach_semdestroy(uint32 sem)
-{
- union {
- Tmach_semdestroyMsg tx;
- uint8 pad[MinMachMsg];
- } m;
- int32 r;
-
- m.tx.h.msgh_bits = MACH_MSGH_BITS_COMPLEX;
- m.tx.h.msgh_size = sizeof(m.tx);
- m.tx.h.msgh_remote_port = runtime·mach_task_self();
- m.tx.h.msgh_id = Tmach_semdestroy;
- m.tx.body.msgh_descriptor_count = 1;
- m.tx.semaphore.name = sem;
- m.tx.semaphore.disposition = MACH_MSG_TYPE_MOVE_SEND;
- m.tx.semaphore.type = 0;
-
- while((r = machcall(&m.tx.h, sizeof m, 0)) != 0){
- if(r == KERN_ABORTED) // interrupted
- continue;
- macherror(r, "semaphore_destroy");
- }
-}
-
-// The other calls have simple system call traps in sys.s
-int32 runtime·mach_semaphore_wait(uint32 sema);
-int32 runtime·mach_semaphore_timedwait(uint32 sema, uint32 sec, uint32 nsec);
-int32 runtime·mach_semaphore_signal(uint32 sema);
-int32 runtime·mach_semaphore_signal_all(uint32 sema);
-
-void
-runtime·mach_semacquire(uint32 sem)
-{
- int32 r;
-
- while((r = runtime·mach_semaphore_wait(sem)) != 0) {
- if(r == KERN_ABORTED) // interrupted
- continue;
- macherror(r, "semaphore_wait");
- }
-}
-
-void
-runtime·mach_semrelease(uint32 sem)
-{
- int32 r;
-
- while((r = runtime·mach_semaphore_signal(sem)) != 0) {
- if(r == KERN_ABORTED) // interrupted
- continue;
- macherror(r, "semaphore_signal");
- }
-}
-
-void
-runtime·sigpanic(void)
-{
- switch(g->sig) {
- case SIGBUS:
- if(g->sigcode0 == BUS_ADRERR && g->sigcode1 < 0x1000)
- runtime·panicstring("invalid memory address or nil pointer dereference");
- runtime·printf("unexpected fault address %p\n", g->sigcode1);
- runtime·throw("fault");
- case SIGSEGV:
- if((g->sigcode0 == 0 || g->sigcode0 == SEGV_MAPERR || g->sigcode0 == SEGV_ACCERR) && g->sigcode1 < 0x1000)
- runtime·panicstring("invalid memory address or nil pointer dereference");
- runtime·printf("unexpected fault address %p\n", g->sigcode1);
- runtime·throw("fault");
- case SIGFPE:
- switch(g->sigcode0) {
- case FPE_INTDIV:
- runtime·panicstring("integer divide by zero");
- case FPE_INTOVF:
- runtime·panicstring("integer overflow");
- }
- runtime·panicstring("floating point error");
- }
- runtime·panicstring(runtime·sigtab[g->sig].name);
-}
generated by cgit v1.2.3 (git 2.46.0) at 2025-10-16 17:35:53 +0000