runtime: more NOPTR

Fixes linux builds (_vdso); may fix others.
I can at least cross-compile cmd/go for every
implemented system now.

TBR=iant
CC=golang-codereviews
https://codereview.appspot.com/142630043

14 files changed, 20 insertions, 19 deletions

diff --git a/src/runtime/mem_plan9.c b/src/runtime/mem_plan9.c
index 402869f39..d673d6f83 100644
--- a/src/runtime/mem_plan9.c
+++ b/src/runtime/mem_plan9.c
@@ -10,6 +10,7 @@
 #include "textflag.h"
 
 extern byte runtime·end[];
+#pragma dataflag NOPTR
 static byte *bloc = { runtime·end };
 static Mutex memlock;
 
diff --git a/src/runtime/rt0_linux_386.s b/src/runtime/rt0_linux_386.s
index 74ddc94da..352e594d5 100644
--- a/src/runtime/rt0_linux_386.s
+++ b/src/runtime/rt0_linux_386.s
@@ -21,5 +21,5 @@ TEXT _fallback_vdso(SB),NOSPLIT,$0
 	RET
 
 DATA	runtime·_vdso(SB)/4, $_fallback_vdso(SB)
-GLOBL	runtime·_vdso(SB), $4
+GLOBL	runtime·_vdso(SB), NOPTR, $4
 
diff --git a/src/runtime/rt0_linux_arm.s b/src/runtime/rt0_linux_arm.s
index 8af3d3505..5f521d24b 100644
--- a/src/runtime/rt0_linux_arm.s
+++ b/src/runtime/rt0_linux_arm.s
@@ -77,7 +77,7 @@ DATA bad_abi_msg+0x18(SB)/8, $" run on "
 DATA bad_abi_msg+0x20(SB)/8, $"EABI ker"
 DATA bad_abi_msg+0x28(SB)/4, $"nels"
 DATA bad_abi_msg+0x2c(SB)/1, $0xa
-GLOBL bad_abi_msg(SB), $45
+GLOBL bad_abi_msg(SB), RODATA, $45
 
 TEXT oabi_syscall<>(SB),NOSPLIT,$-4
 	ADD $1, PC, R4
diff --git a/src/runtime/rt0_plan9_386.s b/src/runtime/rt0_plan9_386.s
index 7e2887b85..c451299ee 100644
--- a/src/runtime/rt0_plan9_386.s
+++ b/src/runtime/rt0_plan9_386.s
@@ -17,7 +17,7 @@ TEXT _rt0_386_plan9(SB),NOSPLIT,$12
 	CALL	runtime·rt0_go(SB)
 
 DATA  runtime·isplan9(SB)/4, $1
-GLOBL runtime·isplan9(SB), $4
-GLOBL _tos(SB), $4
-GLOBL _privates(SB), $4
-GLOBL _nprivates(SB), $4
+GLOBL runtime·isplan9(SB), NOPTR, $4
+GLOBL _tos(SB), NOPTR, $4
+GLOBL _privates(SB), NOPTR, $4
+GLOBL _nprivates(SB), NOPTR, $4
diff --git a/src/runtime/rt0_plan9_amd64.s b/src/runtime/rt0_plan9_amd64.s
index a372a0ba8..ec2d9ec82 100644
--- a/src/runtime/rt0_plan9_amd64.s
+++ b/src/runtime/rt0_plan9_amd64.s
@@ -15,7 +15,7 @@ TEXT _rt0_amd64_plan9(SB),NOSPLIT,$24
 	JMP	AX
 
 DATA runtime·isplan9(SB)/4, $1
-GLOBL runtime·isplan9(SB), $4
-GLOBL _tos(SB), $8
-GLOBL _privates(SB), $8
-GLOBL _nprivates(SB), $4
+GLOBL runtime·isplan9(SB), NOPTR, $4
+GLOBL _tos(SB), NOPTR, $8
+GLOBL _privates(SB), NOPTR, $8
+GLOBL _nprivates(SB), NOPTR, $4
diff --git a/src/runtime/rt0_solaris_amd64.s b/src/runtime/rt0_solaris_amd64.s
index 92a9fc295..5997cbf8e 100644
--- a/src/runtime/rt0_solaris_amd64.s
+++ b/src/runtime/rt0_solaris_amd64.s
@@ -15,4 +15,4 @@ TEXT main(SB),NOSPLIT,$-8
 	JMP	AX
 
 DATA runtime·issolaris(SB)/4, $1
-GLOBL runtime·issolaris(SB), $4
+GLOBL runtime·issolaris(SB), NOPTR, $4
diff --git a/src/runtime/sys_dragonfly_386.s b/src/runtime/sys_dragonfly_386.s
index dd0e27e26..161eaec19 100644
--- a/src/runtime/sys_dragonfly_386.s
+++ b/src/runtime/sys_dragonfly_386.s
@@ -378,4 +378,4 @@ TEXT runtime·closeonexec(SB),NOSPLIT,$32
 	NEGL	AX
 	RET
 
-GLOBL runtime·tlsoffset(SB),$4
+GLOBL runtime·tlsoffset(SB),NOPTR,$4
diff --git a/src/runtime/sys_freebsd_386.s b/src/runtime/sys_freebsd_386.s
index ffc28560e..2c40fc433 100644
--- a/src/runtime/sys_freebsd_386.s
+++ b/src/runtime/sys_freebsd_386.s
@@ -388,4 +388,4 @@ TEXT runtime·closeonexec(SB),NOSPLIT,$32
 	NEGL	AX
 	RET
 
-GLOBL runtime·tlsoffset(SB),$4
+GLOBL runtime·tlsoffset(SB),NOPTR,$4
diff --git a/src/runtime/sys_netbsd_386.s b/src/runtime/sys_netbsd_386.s
index 83a76cb34..23f2f6bd1 100644
--- a/src/runtime/sys_netbsd_386.s
+++ b/src/runtime/sys_netbsd_386.s
@@ -350,7 +350,7 @@ TEXT runtime·sysctl(SB),NOSPLIT,$28
 	MOVL	$0, AX
 	RET
 
-GLOBL runtime·tlsoffset(SB),$4
+GLOBL runtime·tlsoffset(SB),NOPTR,$4
 
 // int32 runtime·kqueue(void)
 TEXT runtime·kqueue(SB),NOSPLIT,$0
diff --git a/src/runtime/sys_openbsd_386.s b/src/runtime/sys_openbsd_386.s
index 12d9c5c6b..5cda7768a 100644
--- a/src/runtime/sys_openbsd_386.s
+++ b/src/runtime/sys_openbsd_386.s
@@ -395,4 +395,4 @@ TEXT runtime·closeonexec(SB),NOSPLIT,$32
 	NEGL	AX
 	RET
 
-GLOBL runtime·tlsoffset(SB),$4
+GLOBL runtime·tlsoffset(SB),NOPTR,$4
diff --git a/src/runtime/sys_windows_386.s b/src/runtime/sys_windows_386.s
index 9b1fc7a20..1bf4d062a 100644
--- a/src/runtime/sys_windows_386.s
+++ b/src/runtime/sys_windows_386.s
@@ -212,7 +212,7 @@ TEXT runtime·externalthreadhandler(SB),NOSPLIT,$0
 	POPL	BP
 	RET
 
-GLOBL runtime·cbctxts(SB), $4
+GLOBL runtime·cbctxts(SB), NOPTR, $4
 
 TEXT runtime·callbackasm1+0(SB),NOSPLIT,$0
   	MOVL	0(SP), AX	// will use to find our callback context
diff --git a/src/runtime/sys_windows_amd64.s b/src/runtime/sys_windows_amd64.s
index f701d157e..05750398e 100644
--- a/src/runtime/sys_windows_amd64.s
+++ b/src/runtime/sys_windows_amd64.s
@@ -249,7 +249,7 @@ TEXT runtime·externalthreadhandler(SB),NOSPLIT,$0
 	POPQ	BP
 	RET
 
-GLOBL runtime·cbctxts(SB), $8
+GLOBL runtime·cbctxts(SB), NOPTR, $8
 
 TEXT runtime·callbackasm1(SB),NOSPLIT,$0
 	// Construct args vector for cgocallback().
diff --git a/src/sync/atomic/asm_arm.s b/src/sync/atomic/asm_arm.s
index 47639a80e..8a85273da 100644
--- a/src/sync/atomic/asm_arm.s
+++ b/src/sync/atomic/asm_arm.s
@@ -194,4 +194,4 @@ TEXT slowCheck64<>(SB),NOSPLIT,$0-0
 	MOVW	R0, ok64<>(SB)
 	RET
 
-GLOBL ok64<>(SB), $4
+GLOBL ok64<>(SB), NOPTR, $4
diff --git a/src/sync/atomic/asm_linux_arm.s b/src/sync/atomic/asm_linux_arm.s
index 63f1f9e38..944758441 100644
--- a/src/sync/atomic/asm_linux_arm.s
+++ b/src/sync/atomic/asm_linux_arm.s
@@ -124,7 +124,7 @@ TEXT kernelCAS64<>(SB),NOSPLIT,$0-21
 TEXT ·generalCAS64(SB),NOSPLIT,$0-21
 	B  	runtime·cas64(SB)
 
-GLOBL armCAS64(SB), $4
+GLOBL armCAS64(SB), NOPTR, $4
 
 TEXT setupAndCallCAS64<>(SB),NOSPLIT,$-4-21
 	MOVW	$0xffff0ffc, R0 // __kuser_helper_version