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
diff --git a/src/pkg/runtime/proc.c b/src/pkg/runtime/proc.c
index 06859b0..590c277 100644
--- a/src/pkg/runtime/proc.c
+++ b/src/pkg/runtime/proc.c
@@ -265,12 +265,18 @@
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);
}
