runtime: change textflags from numbers to symbols

R=golang-dev, bradfitz
CC=golang-dev
https://golang.org/cl/12798043

src/pkg/runtime/alg.c

@@ -4,6 +4,7 @@
 
 #include "runtime.h"
 #include "type.h"
+#include "../../cmd/ld/textflag.h"
 
 #define M0 (sizeof(uintptr)==4 ? 2860486313UL : 33054211828000289ULL)
 #define M1 (sizeof(uintptr)==4 ? 3267000013UL : 23344194077549503ULL)
@@ -499,7 +500,7 @@ runtime·hashinit(void)
 }
 
 // func equal(t *Type, x T, y T) (ret bool)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·equal(Type *t, ...)
 {

src/pkg/runtime/atomic_386.c

@@ -3,22 +3,23 @@
 // license that can be found in the LICENSE file.
 
 #include "runtime.h"
+#include "../../cmd/ld/textflag.h"
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint32
 runtime·atomicload(uint32 volatile* addr)
 {
 	return *addr;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void*
 runtime·atomicloadp(void* volatile* addr)
 {
 	return *addr;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint64
 runtime·xadd64(uint64 volatile* addr, int64 v)
 {
@@ -31,7 +32,7 @@ runtime·xadd64(uint64 volatile* addr, int64 v)
 	return old+v;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint64
 runtime·xchg64(uint64 volatile* addr, uint64 v)
 {

src/pkg/runtime/atomic_amd64.c

@@ -3,22 +3,23 @@
 // license that can be found in the LICENSE file.
 
 #include "runtime.h"
+#include "../../cmd/ld/textflag.h"
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint32
 runtime·atomicload(uint32 volatile* addr)
 {
 	return *addr;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint64
 runtime·atomicload64(uint64 volatile* addr)
 {
 	return *addr;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void*
 runtime·atomicloadp(void* volatile* addr)
 {

src/pkg/runtime/atomic_arm.c

@@ -4,6 +4,7 @@
 
 #include "runtime.h"
 #include "arch_GOARCH.h"
+#include "../../cmd/ld/textflag.h"
 
 static struct {
 	Lock l;
@@ -13,7 +14,7 @@ static struct {
 #define LOCK(addr) (&locktab[((uintptr)(addr)>>3)%nelem(locktab)].l)
 
 // Atomic add and return new value.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint32
 runtime·xadd(uint32 volatile *val, int32 delta)
 {
@@ -27,7 +28,7 @@ runtime·xadd(uint32 volatile *val, int32 delta)
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint32
 runtime·xchg(uint32 volatile* addr, uint32 v)
 {
@@ -40,7 +41,7 @@ runtime·xchg(uint32 volatile* addr, uint32 v)
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·procyield(uint32 cnt)
 {
@@ -50,21 +51,21 @@ runtime·procyield(uint32 cnt)
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint32
 runtime·atomicload(uint32 volatile* addr)
 {
 	return runtime·xadd(addr, 0);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void*
 runtime·atomicloadp(void* volatile* addr)
 {
 	return (void*)runtime·xadd((uint32 volatile*)addr, 0);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·atomicstorep(void* volatile* addr, void* v)
 {
@@ -77,7 +78,7 @@ runtime·atomicstorep(void* volatile* addr, void* v)
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·atomicstore(uint32 volatile* addr, uint32 v)
 {
@@ -90,7 +91,7 @@ runtime·atomicstore(uint32 volatile* addr, uint32 v)
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 bool
 runtime·cas64(uint64 volatile *addr, uint64 old, uint64 new)
 {
@@ -107,7 +108,7 @@ runtime·cas64(uint64 volatile *addr, uint64 old, uint64 new)
 	return res;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint64
 runtime·xadd64(uint64 volatile *addr, int64 delta)
 {
@@ -120,7 +121,7 @@ runtime·xadd64(uint64 volatile *addr, int64 delta)
 	return res;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint64
 runtime·xchg64(uint64 volatile *addr, uint64 v)
 {
@@ -133,7 +134,7 @@ runtime·xchg64(uint64 volatile *addr, uint64 v)
 	return res;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint64
 runtime·atomicload64(uint64 volatile *addr)
 {
@@ -145,7 +146,7 @@ runtime·atomicload64(uint64 volatile *addr)
 	return res;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·atomicstore64(uint64 volatile *addr, uint64 v)
 {

src/pkg/runtime/cgocall.c

@@ -7,6 +7,7 @@
 #include "stack.h"
 #include "cgocall.h"
 #include "race.h"
+#include "../../cmd/ld/textflag.h"
 
 // Cgo call and callback support.
 //
@@ -244,7 +245,7 @@ struct CallbackArgs
 
 void runtime·cgocallbackg1(void);
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·cgocallbackg(void)
 {

src/pkg/runtime/chan.c

@@ -7,6 +7,7 @@
 #include "type.h"
 #include "race.h"
 #include "malloc.h"
+#include "../../cmd/ld/textflag.h"
 
 #define	MAXALIGN	8
 #define	NOSELGEN	1
@@ -436,7 +437,7 @@ closed:
 }
 
 // chansend1(hchan *chan any, elem any);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·chansend1(ChanType *t, Hchan* c, ...)
 {
@@ -444,7 +445,7 @@ runtime·chansend1(ChanType *t, Hchan* c, ...)
 }
 
 // chanrecv1(hchan *chan any) (elem any);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·chanrecv1(ChanType *t, Hchan* c, ...)
 {
@@ -452,7 +453,7 @@ runtime·chanrecv1(ChanType *t, Hchan* c, ...)
 }
 
 // chanrecv2(hchan *chan any) (elem any, received bool);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·chanrecv2(ChanType *t, Hchan* c, ...)
 {
@@ -482,7 +483,7 @@ runtime·chanrecv2(ChanType *t, Hchan* c, ...)
 //		... bar
 //	}
 //
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·selectnbsend(ChanType *t, Hchan *c, ...)
 {
@@ -512,7 +513,7 @@ runtime·selectnbsend(ChanType *t, Hchan *c, ...)
 //		... bar
 //	}
 //
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·selectnbrecv(ChanType *t, byte *v, Hchan *c, bool selected)
 {
@@ -538,7 +539,7 @@ runtime·selectnbrecv(ChanType *t, byte *v, Hchan *c, bool selected)
 //		... bar
 //	}
 //
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·selectnbrecv2(ChanType *t, byte *v, bool *received, Hchan *c, bool selected)
 {
@@ -552,7 +553,7 @@ runtime·selectnbrecv2(ChanType *t, byte *v, bool *received, Hchan *c, bool sele
 //
 // The "uintptr selected" is really "bool selected" but saying
 // uintptr gets us the right alignment for the output parameter block.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 reflect·chansend(ChanType *t, Hchan *c, uintptr val, bool nb, uintptr selected)
 {
@@ -608,7 +609,7 @@ reflect·chanrecv(ChanType *t, Hchan *c, bool nb, uintptr val, bool selected, bo
 static void newselect(int32, Select**);
 
 // newselect(size uint32) (sel *byte);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·newselect(int32 size, ...)
 {
@@ -653,7 +654,7 @@ newselect(int32 size, Select **selp)
 static void selectsend(Select *sel, Hchan *c, void *pc, void *elem, int32 so);
 
 // selectsend(sel *byte, hchan *chan any, elem *any) (selected bool);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·selectsend(Select *sel, Hchan *c, void *elem, bool selected)
 {
@@ -694,7 +695,7 @@ selectsend(Select *sel, Hchan *c, void *pc, void *elem, int32 so)
 static void selectrecv(Select *sel, Hchan *c, void *pc, void *elem, bool*, int32 so);
 
 // selectrecv(sel *byte, hchan *chan any, elem *any) (selected bool);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·selectrecv(Select *sel, Hchan *c, void *elem, bool selected)
 {
@@ -709,7 +710,7 @@ runtime·selectrecv(Select *sel, Hchan *c, void *elem, bool selected)
 }
 
 // selectrecv2(sel *byte, hchan *chan any, elem *any, received *bool) (selected bool);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·selectrecv2(Select *sel, Hchan *c, void *elem, bool *received, bool selected)
 {
@@ -751,7 +752,7 @@ selectrecv(Select *sel, Hchan *c, void *pc, void *elem, bool *received, int32 so
 static void selectdefault(Select*, void*, int32);
 
 // selectdefault(sel *byte) (selected bool);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·selectdefault(Select *sel, bool selected)
 {
@@ -838,7 +839,7 @@ static void* selectgo(Select**);
 //
 // overwrites return pc on stack to signal which case of the select
 // to run, so cannot appear at the top of a split stack.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·selectgo(Select *sel)
 {
@@ -1216,7 +1217,7 @@ reflect·rselect(Slice cases, intgo chosen, uintptr word, bool recvOK)
 static void closechan(Hchan *c, void *pc);
 
 // closechan(sel *byte);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·closechan(Hchan *c)
 {
@@ -1225,7 +1226,7 @@ runtime·closechan(Hchan *c)
 
 // For reflect
 //	func chanclose(c chan)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 reflect·chanclose(Hchan *c)
 {

src/pkg/runtime/hashmap.c

@@ -593,6 +593,7 @@ static uint8 empty_value[MAXVALUESIZE];
 #define SLOW_EQ(x,y) runtime·memeq((x).str, (y).str, (x).len)
 #define MAYBE_EQ(x,y) (*(CHECKTYPE*)(x).str == *(CHECKTYPE*)(y).str && *(CHECKTYPE*)((x).str + (x).len - sizeof(CHECKTYPE)) == *(CHECKTYPE*)((y).str + (x).len - sizeof(CHECKTYPE)))
 #include "hashmap_fast.c"
+#include "../../cmd/ld/textflag.h"
 
 static void
 hash_insert(MapType *t, Hmap *h, void *key, void *value)
@@ -1181,7 +1182,7 @@ runtime·mapaccess(MapType *t, Hmap *h, byte *ak, byte *av, bool *pres)
 }
 
 // mapaccess1(hmap *map[any]any, key any) (val any);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·mapaccess1(MapType *t, Hmap *h, ...)
 {
@@ -1213,7 +1214,7 @@ runtime·mapaccess1(MapType *t, Hmap *h, ...)
 }
 
 // mapaccess2(hmap *map[any]any, key any) (val any, pres bool);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·mapaccess2(MapType *t, Hmap *h, ...)
 {
@@ -1297,7 +1298,7 @@ runtime·mapassign(MapType *t, Hmap *h, byte *ak, byte *av)
 }
 
 // mapassign1(mapType *type, hmap *map[any]any, key any, val any);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·mapassign1(MapType *t, Hmap *h, ...)
 {
@@ -1315,7 +1316,7 @@ runtime·mapassign1(MapType *t, Hmap *h, ...)
 }
 
 // mapdelete(mapType *type, hmap *map[any]any, key any)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·mapdelete(MapType *t, Hmap *h, ...)
 {
@@ -1445,7 +1446,7 @@ reflect·mapiternext(struct hash_iter *it)
 }
 
 // mapiter1(hiter *any) (key any);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·mapiter1(struct hash_iter *it, ...)
 {
@@ -1526,7 +1527,7 @@ reflect·maplen(Hmap *h, intgo len)
 }
 
 // mapiter2(hiter *any) (key any, val any);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·mapiter2(struct hash_iter *it, ...)
 {

src/pkg/runtime/hashmap_fast.c

@@ -12,7 +12,7 @@
 
 // +build ignore
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 HASH_LOOKUP1(MapType *t, Hmap *h, KEYTYPE key, byte *value)
 {
@@ -124,7 +124,7 @@ dohash:
 	FLUSH(&value);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 HASH_LOOKUP2(MapType *t, Hmap *h, KEYTYPE key, byte *value, bool res)
 {

src/pkg/runtime/iface.c

@@ -7,6 +7,7 @@
 #include "type.h"
 #include "typekind.h"
 #include "malloc.h"
+#include "../../cmd/ld/textflag.h"
 
 void
 runtime·printiface(Iface i)
@@ -170,7 +171,7 @@ copyout(Type *t, void **src, void *dst)
 		alg->copy(size, dst, *src);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·typ2Itab(Type *t, InterfaceType *inter, Itab **cache, Itab *ret)
 {
@@ -183,7 +184,7 @@ runtime·typ2Itab(Type *t, InterfaceType *inter, Itab **cache, Itab *ret)
 }
 
 // func convT2I(typ *byte, typ2 *byte, cache **byte, elem any) (ret any)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·convT2I(Type *t, InterfaceType *inter, Itab **cache, ...)
 {
@@ -205,7 +206,7 @@ runtime·convT2I(Type *t, InterfaceType *inter, Itab **cache, ...)
 }
 
 // func convT2E(typ *byte, elem any) (ret any)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·convT2E(Type *t, ...)
 {
@@ -223,7 +224,7 @@ runtime·convT2E(Type *t, ...)
 static void assertI2Tret(Type *t, Iface i, byte *ret);
 
 // func ifaceI2T(typ *byte, iface any) (ret any)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·assertI2T(Type *t, Iface i, ...)
 {
@@ -256,7 +257,7 @@ assertI2Tret(Type *t, Iface i, byte *ret)
 }
 
 // func ifaceI2T2(typ *byte, iface any) (ret any, ok bool)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·assertI2T2(Type *t, Iface i, ...)
 {
@@ -288,7 +289,7 @@ runtime·assertI2TOK(Type *t, Iface i, bool ok)
 static void assertE2Tret(Type *t, Eface e, byte *ret);
 
 // func ifaceE2T(typ *byte, iface any) (ret any)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·assertE2T(Type *t, Eface e, ...)
 {
@@ -319,7 +320,7 @@ assertE2Tret(Type *t, Eface e, byte *ret)
 }
 
 // func ifaceE2T2(sigt *byte, iface any) (ret any, ok bool);
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·assertE2T2(Type *t, Eface e, ...)
 {

src/pkg/runtime/lock_futex.c

@@ -6,6 +6,7 @@
 
 #include "runtime.h"
 #include "stack.h"
+#include "../../cmd/ld/textflag.h"
 
 // This implementation depends on OS-specific implementations of
 //
@@ -133,7 +134,7 @@ runtime·notesleep(Note *n)
 		runtime·futexsleep((uint32*)&n->key, 0, -1);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 static bool
 notetsleep(Note *n, int64 ns, int64 deadline, int64 now)
 {

src/pkg/runtime/lock_sema.c

@@ -6,6 +6,7 @@
 
 #include "runtime.h"
 #include "stack.h"
+#include "../../cmd/ld/textflag.h"
 
 // This implementation depends on OS-specific implementations of
 //
@@ -163,7 +164,7 @@ runtime·notesleep(Note *n)
 	runtime·semasleep(-1);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 static bool
 notetsleep(Note *n, int64 ns, int64 deadline, M *mp)
 {

src/pkg/runtime/malloc.goc

@@ -14,6 +14,7 @@ package runtime
 #include "typekind.h"
 #include "race.h"
 #include "stack.h"
+#include "../../cmd/ld/textflag.h"
 
 // Mark mheap as 'no pointers', it does not contain interesting pointers but occupies ~45K.
 #pragma dataflag 16
@@ -696,7 +697,7 @@ runtime·mal(uintptr n)
 	return runtime·mallocgc(n, 0, 0);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·new(Type *typ, uint8 *ret)
 {

src/pkg/runtime/noasm_arm.goc

@@ -7,8 +7,9 @@
 
 package runtime
 #include "runtime.h"
+#include "../../cmd/ld/textflag.h"
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 func cmpstring(s1 String, s2 String) (v int) {
 	uintgo i, l;
 	byte c1, c2;
@@ -40,7 +41,7 @@ func cmpstring(s1 String, s2 String) (v int) {
  done:;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 func bytes·Compare(s1 Slice, s2 Slice) (v int) {
 	uintgo i, l;
 	byte c1, c2;

src/pkg/runtime/os_darwin.c

@@ -7,6 +7,7 @@
 #include "os_GOOS.h"
 #include "signal_unix.h"
 #include "stack.h"
+#include "../../cmd/ld/textflag.h"
 
 extern SigTab runtime·sigtab[];
 
@@ -140,7 +141,7 @@ runtime·unminit(void)
 // Mach IPC, to get at semaphores
 // Definitions are in /usr/include/mach on a Mac.
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 static void
 macherror(int32 r, int8 *fn)
 {
@@ -395,7 +396,7 @@ 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);
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int32
 runtime·semasleep(int64 ns)
 {
@@ -462,7 +463,7 @@ runtime·sigpanic(void)
 	runtime·panicstring(runtime·sigtab[g->sig].name);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·osyield(void)
 {

src/pkg/runtime/os_freebsd.c

@@ -7,6 +7,7 @@
 #include "os_GOOS.h"
 #include "signal_unix.h"
 #include "stack.h"
+#include "../../cmd/ld/textflag.h"
 
 extern SigTab runtime·sigtab[];
 extern int32 runtime·sys_umtx_op(uint32*, int32, uint32, void*, void*);
@@ -41,7 +42,7 @@ getncpu(void)
 // FreeBSD's umtx_op syscall is effectively the same as Linux's futex, and
 // thus the code is largely similar. See linux/thread.c and lock_futex.c for comments.
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·futexsleep(uint32 *addr, uint32 val, int64 ns)
 {

src/pkg/runtime/os_freebsd_arm.c

@@ -5,6 +5,7 @@
 #include "runtime.h"
 #include "defs_GOOS_GOARCH.h"
 #include "os_GOOS.h"
+#include "../../cmd/ld/textflag.h"
 
 void
 runtime·checkgoarm(void)
@@ -12,7 +13,7 @@ runtime·checkgoarm(void)
 	// TODO(minux)
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int64
 runtime·cputicks(void)
 {

src/pkg/runtime/os_linux.c

@@ -7,6 +7,7 @@
 #include "os_GOOS.h"
 #include "signal_unix.h"
 #include "stack.h"
+#include "../../cmd/ld/textflag.h"
 
 extern SigTab runtime·sigtab[];
 
@@ -32,7 +33,7 @@ enum
 //	if(*addr == val) sleep
 // Might be woken up spuriously; that's allowed.
 // Don't sleep longer than ns; ns < 0 means forever.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·futexsleep(uint32 *addr, uint32 val, int64 ns)
 {

src/pkg/runtime/os_linux_386.c

@@ -5,13 +5,14 @@
 #include "runtime.h"
 #include "defs_GOOS_GOARCH.h"
 #include "os_GOOS.h"
+#include "../../cmd/ld/textflag.h"
 
 #define AT_NULL		0
 #define AT_RANDOM	25
 #define AT_SYSINFO	32
 extern uint32 runtime·_vdso;
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·linux_setup_vdso(int32 argc, byte **argv)
 {

src/pkg/runtime/os_linux_arm.c

@@ -5,6 +5,7 @@
 #include "runtime.h"
 #include "defs_GOOS_GOARCH.h"
 #include "os_GOOS.h"
+#include "../../cmd/ld/textflag.h"
 
 #define AT_NULL		0
 #define AT_PLATFORM	15 // introduced in at least 2.6.11
@@ -32,7 +33,7 @@ runtime·checkgoarm(void)
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·setup_auxv(int32 argc, void *argv_list)
 {
@@ -71,7 +72,7 @@ runtime·setup_auxv(int32 argc, void *argv_list)
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int64
 runtime·cputicks(void)
 {

src/pkg/runtime/os_netbsd.c

@@ -7,6 +7,7 @@
 #include "os_GOOS.h"
 #include "signal_unix.h"
 #include "stack.h"
+#include "../../cmd/ld/textflag.h"
 
 enum
 {
@@ -62,7 +63,7 @@ runtime·semacreate(void)
 	return 1;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int32
 runtime·semasleep(int64 ns)
 {

src/pkg/runtime/os_netbsd_arm.c

@@ -6,6 +6,7 @@
 #include "defs_GOOS_GOARCH.h"
 #include "os_GOOS.h"
 #include "signal_GOOS_GOARCH.h"
+#include "../../cmd/ld/textflag.h"
 
 void
 runtime·lwp_mcontext_init(McontextT *mc, void *stack, M *mp, G *gp, void (*fn)(void))
@@ -23,7 +24,7 @@ runtime·checkgoarm(void)
 	// TODO(minux)
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int64
 runtime·cputicks() {
 	// Currently cputicks() is used in blocking profiler and to seed runtime·fastrand1().

src/pkg/runtime/os_openbsd.c

@@ -7,6 +7,7 @@
 #include "os_GOOS.h"
 #include "signal_unix.h"
 #include "stack.h"
+#include "../../cmd/ld/textflag.h"
 
 enum
 {
@@ -59,7 +60,7 @@ runtime·semacreate(void)
 	return 1;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int32
 runtime·semasleep(int64 ns)
 {

src/pkg/runtime/os_plan9.c

@@ -5,6 +5,7 @@
 #include "runtime.h"
 #include "os_GOOS.h"
 #include "arch_GOARCH.h"
+#include "../../cmd/ld/textflag.h"
 
 int8 *goos = "plan9";
 extern SigTab runtime·sigtab[];
@@ -115,14 +116,14 @@ runtime·initsig(void)
 {
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·osyield(void)
 {
 	runtime·sleep(0);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·usleep(uint32 µs)
 {
@@ -261,7 +262,7 @@ runtime·semacreate(void)
 	return 1;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int32
 runtime·semasleep(int64 ns)
 {
@@ -327,7 +328,7 @@ runtime·memlimit(void)
 static int8 badsignal[] = "runtime: signal received on thread not created by Go.\n";
 
 // This runs on a foreign stack, without an m or a g.  No stack split.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·badsignal2(void)
 {

src/pkg/runtime/os_windows.c

@@ -6,6 +6,7 @@
 #include "type.h"
 #include "defs_GOOS_GOARCH.h"
 #include "os_GOOS.h"
+#include "../../cmd/ld/textflag.h"
 
 #pragma dynimport runtime·CloseHandle CloseHandle "kernel32.dll"
 #pragma dynimport runtime·CreateEvent CreateEventA "kernel32.dll"
@@ -183,7 +184,7 @@ runtime·write(int32 fd, void *buf, int32 n)
 
 #define INFINITE ((uintptr)0xFFFFFFFF)
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int32
 runtime·semasleep(int64 ns)
 {
@@ -254,7 +255,7 @@ runtime·unminit(void)
 	runtime·remove_exception_handler();
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int64
 runtime·nanotime(void)
 {
@@ -280,7 +281,7 @@ time·now(int64 sec, int32 usec)
 }
 
 // Calling stdcall on os stack.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void *
 runtime·stdcall(void *fn, int32 count, ...)
 {
@@ -293,14 +294,14 @@ runtime·stdcall(void *fn, int32 count, ...)
 
 extern void runtime·usleep1(uint32);
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·osyield(void)
 {
 	runtime·usleep1(1);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·usleep(uint32 us)
 {

src/pkg/runtime/panic.c

@@ -6,6 +6,7 @@
 #include "arch_GOARCH.h"
 #include "stack.h"
 #include "malloc.h"
+#include "../../cmd/ld/textflag.h"
 
 // Code related to defer, panic and recover.
 
@@ -122,7 +123,7 @@ freedefer(Defer *d)
 // are available sequentially after &fn; they would not be
 // copied if a stack split occurred.  It's OK for this to call
 // functions that split the stack.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uintptr
 runtime·deferproc(int32 siz, FuncVal *fn, ...)
 {
@@ -161,7 +162,7 @@ runtime·deferproc(int32 siz, FuncVal *fn, ...)
 // an argument frame size. deferreturn is a very special function,
 // and if the runtime ever asks for its frame size, that means
 // the traceback routines are probably broken.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·deferreturn(uintptr arg0, ...)
 {
@@ -332,7 +333,7 @@ runtime·unwindstack(G *gp, byte *sp)
 // The implementation of the predeclared function recover.
 // Cannot split the stack because it needs to reliably
 // find the stack segment of its caller.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·recover(byte *argp, Eface ret)
 {

src/pkg/runtime/print.c

@@ -4,6 +4,7 @@
 
 #include "runtime.h"
 #include "type.h"
+#include "../../cmd/ld/textflag.h"
 
 //static Lock debuglock;
 
@@ -52,7 +53,7 @@ runtime·prints(int8 *s)
 	gwrite(s, runtime·findnull((byte*)s));
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·printf(int8 *s, ...)
 {
@@ -179,7 +180,7 @@ vprintf(int8 *s, byte *base)
 	//runtime·unlock(&debuglock);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·goprintf(String s, ...)
 {

src/pkg/runtime/proc.c

@@ -8,6 +8,7 @@
 #include "stack.h"
 #include "race.h"
 #include "type.h"
+#include "../../cmd/ld/textflag.h"
 
 // Goroutine scheduler
 // The scheduler's job is to distribute ready-to-run goroutines over worker threads.
@@ -665,7 +666,7 @@ static void unlockextra(M*);
 //
 // When the callback is done with the m, it calls dropm to
 // put the m back on the list.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·needm(byte x)
 {
@@ -821,7 +822,7 @@ runtime·dropm(void)
 // to runtime.extram. If nilokay is true, then lockextra will
 // return a nil list head if that's what it finds. If nilokay is false,
 // lockextra will keep waiting until the list head is no longer nil.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 static M*
 lockextra(bool nilokay)
 {
@@ -849,7 +850,7 @@ lockextra(bool nilokay)
 	return mp;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 static void
 unlockextra(M *mp)
 {
@@ -1359,7 +1360,7 @@ runtime·gosched0(G *gp)
 // Need to mark it as nosplit, because it runs with sp > stackbase (as runtime·lessstack).
 // Since it does not return it does not matter.  But if it is preempted
 // at the split stack check, GC will complain about inconsistent sp.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·goexit(void)
 {
@@ -1387,7 +1388,7 @@ goexit0(G *gp)
 	schedule();
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 static void
 save(void *pc, uintptr sp)
 {
@@ -1407,7 +1408,7 @@ save(void *pc, uintptr sp)
 // Entersyscall cannot split the stack: the runtime·gosave must
 // make g->sched refer to the caller's stack segment, because
 // entersyscall is going to return immediately after.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 ·entersyscall(int32 dummy)
 {
@@ -1460,7 +1461,7 @@ void
 }
 
 // The same as runtime·entersyscall(), but with a hint that the syscall is blocking.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 ·entersyscallblock(int32 dummy)
 {
@@ -1497,7 +1498,7 @@ void
 // Arrange for it to run on a cpu again.
 // This is called only from the go syscall library, not
 // from the low-level system calls used by the runtime.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·exitsyscall(void)
 {
@@ -1540,7 +1541,7 @@ runtime·exitsyscall(void)
 	g->syscallsp = (uintptr)nil;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 static bool
 exitsyscallfast(void)
 {
@@ -1660,7 +1661,7 @@ runtime·malg(int32 stacksize)
 // are available sequentially after &fn; they would not be
 // copied if a stack split occurred.  It's OK for this to call
 // functions that split the stack.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·newproc(int32 siz, FuncVal* fn, ...)
 {

src/pkg/runtime/race.c

@@ -9,6 +9,7 @@
 #include "arch_GOARCH.h"
 #include "malloc.h"
 #include "race.h"
+#include "../../cmd/ld/textflag.h"
 
 void runtime∕race·Initialize(uintptr *racectx);
 void runtime∕race·MapShadow(void *addr, uintptr size);
@@ -66,7 +67,7 @@ runtime·racemapshadow(void *addr, uintptr size)
 
 // Called from instrumented code.
 // If we split stack, getcallerpc() can return runtime·lessstack().
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·racewrite(uintptr addr)
 {
@@ -77,7 +78,7 @@ runtime·racewrite(uintptr addr)
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·racewriterange(uintptr addr, uintptr sz)
 {
@@ -90,7 +91,7 @@ runtime·racewriterange(uintptr addr, uintptr sz)
 
 // Called from instrumented code.
 // If we split stack, getcallerpc() can return runtime·lessstack().
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·raceread(uintptr addr)
 {
@@ -101,7 +102,7 @@ runtime·raceread(uintptr addr)
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·racereadrange(uintptr addr, uintptr sz)
 {
@@ -113,7 +114,7 @@ runtime·racereadrange(uintptr addr, uintptr sz)
 }
 
 // Called from runtime·racefuncenter (assembly).
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·racefuncenter1(uintptr pc)
 {
@@ -128,7 +129,7 @@ runtime·racefuncenter1(uintptr pc)
 }
 
 // Called from instrumented code.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·racefuncexit(void)
 {
@@ -337,7 +338,7 @@ runtime·RaceSemrelease(uint32 *s)
 }
 
 // func RaceRead(addr unsafe.Pointer)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·RaceRead(void *addr)
 {
@@ -345,7 +346,7 @@ runtime·RaceRead(void *addr)
 }
 
 // func RaceWrite(addr unsafe.Pointer)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·RaceWrite(void *addr)
 {
@@ -353,7 +354,7 @@ runtime·RaceWrite(void *addr)
 }
 
 // func RaceReadRange(addr unsafe.Pointer, len int)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·RaceReadRange(void *addr, intgo len)
 {
@@ -361,7 +362,7 @@ runtime·RaceReadRange(void *addr, intgo len)
 }
 
 // func RaceWriteRange(addr unsafe.Pointer, len int)
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·RaceWriteRange(void *addr, intgo len)
 {

src/pkg/runtime/runtime.c

@@ -4,6 +4,7 @@
 
 #include "runtime.h"
 #include "arch_GOARCH.h"
+#include "../../cmd/ld/textflag.h"
 
 enum {
 	maxround = sizeof(uintptr),
@@ -415,7 +416,7 @@ runtime·parsedebugvars(void)
 // This is a very special function, do not use it if you are not sure what you are doing.
 // int64 division is lowered into _divv() call on 386, which does not fit into nosplit functions.
 // Handles overflow in a time-specific manner.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int32
 runtime·timediv(int64 v, int32 div, int32 *rem)
 {

src/pkg/runtime/sigqueue.goc

@@ -29,6 +29,7 @@ package runtime
 #include "defs_GOOS_GOARCH.h"
 #include "os_GOOS.h"
 #include "cgocall.h"
+#include "../../cmd/ld/textflag.h"
 
 static struct {
 	Note;
@@ -156,7 +157,7 @@ func signal_disable(s uint32) {
 }
 
 // This runs on a foreign stack, without an m or a g.  No stack split.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·badsignal(uintptr sig)
 {

src/pkg/runtime/slice.c

@@ -8,6 +8,7 @@
 #include "typekind.h"
 #include "malloc.h"
 #include "race.h"
+#include "../../cmd/ld/textflag.h"
 
 enum
 {
@@ -57,7 +58,7 @@ makeslice1(SliceType *t, intgo len, intgo cap, Slice *ret)
 }
 
 // appendslice(type *Type, x, y, []T) []T
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·appendslice(SliceType *t, Slice x, Slice y, Slice ret)
 {
@@ -114,7 +115,7 @@ runtime·appendslice(SliceType *t, Slice x, Slice y, Slice ret)
 
 
 // appendstr([]byte, string) []byte
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·appendstr(SliceType *t, Slice x, String y, Slice ret)
 {
@@ -217,7 +218,7 @@ growslice1(SliceType *t, Slice x, intgo newcap, Slice *ret)
 }
 
 // copy(to any, fr any, wid uintptr) int
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·copy(Slice to, Slice fm, uintptr width, intgo ret)
 {
@@ -260,7 +261,7 @@ out:
 	}
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·slicestringcopy(Slice to, String fm, intgo ret)
 {

src/pkg/runtime/softfloat_arm.c

@@ -7,6 +7,7 @@
 // It uses true little-endian doubles, while the 7500 used mixed-endian.
 
 #include "runtime.h"
+#include "../../cmd/ld/textflag.h"
 
 #define CPSR 14
 #define FLAGS_N (1U << 31)
@@ -600,7 +601,7 @@ struct Sfregs
 	uint32 cspr;
 };
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 uint32*
 runtime·_sfloat2(uint32 *lr, Sfregs regs)
 {

src/pkg/runtime/string.goc

@@ -7,10 +7,11 @@ package runtime
 #include "arch_GOARCH.h"
 #include "malloc.h"
 #include "race.h"
+#include "../../cmd/ld/textflag.h"
 
 String	runtime·emptystring;
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 intgo
 runtime·findnull(byte *s)
 {
@@ -174,7 +175,7 @@ concatstring(intgo n, String *s)
 // NOTE: Cannot use func syntax, because we need the ...,
 // to signal to the garbage collector that this function does
 // not have a fixed size argument count.
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 runtime·concatstring(intgo n, String s1, ...)
 {

src/pkg/runtime/time_plan9_386.c

@@ -4,8 +4,9 @@
 
 #include "runtime.h"
 #include "os_GOOS.h"
+#include "../../cmd/ld/textflag.h"
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int64
 runtime·nanotime(void)
 {

src/pkg/runtime/vlrt_386.c

@@ -23,6 +23,8 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
+#include "../../cmd/ld/textflag.h"
+
 /*
  * C runtime for 64-bit divide, others.
  *
@@ -423,7 +425,7 @@ _rshlv(Vlong *r, Vlong a, int b)
 	r->lo = (t << (32-b)) | (a.lo >> b);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 _lshv(Vlong *r, Vlong a, int b)
 {

src/pkg/runtime/vlrt_arm.c

@@ -23,6 +23,8 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
+#include "../../cmd/ld/textflag.h"
+
 // declared here to avoid include of runtime.h
 void	runtime·panicstring(char*);
 
@@ -62,7 +64,7 @@ struct  Vlong
 
 void    runtime·abort(void);
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 _addv(Vlong *r, Vlong a, Vlong b)
 {
@@ -72,7 +74,7 @@ _addv(Vlong *r, Vlong a, Vlong b)
 		r->hi++;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 _subv(Vlong *r, Vlong a, Vlong b)
 {
@@ -421,7 +423,7 @@ _rshlv(Vlong *r, Vlong a, int b)
 	r->lo = (t << (32-b)) | (a.lo >> b);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 _lshv(Vlong *r, Vlong a, int b)
 {
@@ -615,7 +617,7 @@ _ul2v(Vlong *ret, ulong ul)
 	ret->hi = 0;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 void
 _si2v(Vlong *ret, int si)
 {
@@ -719,7 +721,7 @@ _v2ul(Vlong rv)
 	return rv.lo;
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 long
 _v2si(Vlong rv)
 {
@@ -773,7 +775,7 @@ _gtv(Vlong lv, Vlong rv)
 		(lv.hi == rv.hi && lv.lo > rv.lo);
 }
 
-#pragma textflag 7
+#pragma textflag NOSPLIT
 int
 _gev(Vlong lv, Vlong rv)
 {