Rudimentary command shell for Ogle. Hack to prevent linker

from inlining newprocreadylocked.  Fix type bridge's handling
of basic types.  Include interpreter's Thread in bridged
native function calls.

; load . "6.out"
Started 6.out
; BpSet("main·merge")
; ContWait()
breakpoint at 0x400800
=>   400800 main·merge /home/austin/src-go1/usr/austin/ptrace/test/sort.go:19
; bt
=>   400800 main·merge /home/austin/src-go1/usr/austin/ptrace/test/sort.go:19
     400b6a main·mergeSort+0x1be /home/austin/src-go1/usr/austin/ptrace/test/sort.go:34
     448313 goexit /home/austin/src-go1/src/pkg/runtime/proc.c:133
; main.merge.a
{1}

; load . "pid:25753"
Attached to 25753
; bt
=>   479ddf syscall·Syscall+0x24 /home/austin/src-go1/src/pkg/syscall/asm_linux_amd64.s:24
     47c011 syscall·Read+0x5d /home/austin/src-go1/src/pkg/syscall/zsyscall_linux_amd64.go:368
     4119e5 os·*File·Read+0x5f /home/austin/src-go1/src/pkg/os/file.go:122
     427bf3 bufio·*Reader·fill+0x116 /home/austin/src-go1/src/pkg/bufio/bufio.go:105
     428361 bufio·*Reader·ReadSlice+0x195 /home/austin/src-go1/src/pkg/bufio/bufio.go:244
     40204a ogle·Main+0x94 /home/austin/src-go1/usr/austin/ogle/cmd.go:226
     40080f main·main+0xf /home/austin/src-go1/usr/austin/ogle/main.go:6
     41c4b8 mainstart+0xf /home/austin/src-go1/src/pkg/runtime/amd64/asm.s:55
     41531f goexit /home/austin/src-go1/src/pkg/runtime/proc.c:133

R=rsc
APPROVED=rsc
DELTA=433  (420 added, 2 deleted, 11 changed)
OCL=34410
CL=34782

1 files changed, 6 insertions, 0 deletions

diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c
index 06859b09c..590c277dd 100644
--- a/src/pkg/runtime/proc.c
+++ b/src/pkg/runtime/proc.c
@@ -265,12 +265,18 @@ readylocked(G *g)
 		matchmg();
 }
 
+static void
+nop(void)
+{
+}
+
 // Same as readylocked but a different symbol so that
 // debuggers can set a breakpoint here and catch all
 // new goroutines.
 static void
 newprocreadylocked(G *g)
 {
+	nop();	// avoid inlining in 6l
 	readylocked(g);
 }