Hey Tomas,
On 2/27/09, Tomas Matousek <[email protected]> wrote:
> Jb, could you try again using the latest source code (after Jim pushes it)
> and if it fails send me please full stack trace and complete IL of the
> offending method?
Sure.
So, after building from source the updated git repo, we have a
different error, but similar error.
I'm simply executing mono ir.exe test.rb, where test.rb only contains
a call to `require "mscorlib"`.
The stacktrace looks like this:
(gdb) bt
#0 mono_method_to_ir (cfg=0x8ec0ac0, method=0x8ecbce8,
start_bblock=0x8ec48b4, end_bblock=0x8ec494c, return_var=0x0,
dont_inline=0x8ec9a60, inline_args=0x0, inline_offset=0,
is_virtual_call=0)at method-to-ir.c:4606
#1 0x0806124d in mini_method_compile (method=0x8ecbce8,
opts=64055807, domain=0x25ee0, run_cctors=<value optimized out>,
compile_aot=<value optimized out>, parts=0) at mini.c:3208
#2 0x08062b19 in mono_jit_compile_method (method=0x8ecbce8) at mini.c:3847
#3 0x0818ef88 in ves_icall_System_Delegate_CreateDelegate_internal
(type=0xc6960, target=0x1f27b0, info=0x2e0a0) at icall.c:5988
#4 0xb6c9ae43 in (wrapper managed-to-native)
System.Delegate:CreateDelegate_internal (param0=0xc6960,
param1=0x1f27b0, param2=0x2e0a0) at xdb.il:7790
#5 0xb6c9ab34 in System.Delegate:CreateDelegate (type=0xc6960,
firstArgument=0x1f27b0, method=0x2e0a0, throwOnBindFailure=true)at
/home/jbevain/sources/mcs/class/corlib/System/Delegate.cs:256
#6 0xb6c9a6e6 in System.Delegate:CreateDelegate (type=0xc6960,
firstArgument=0x1f27b0, method=0x2e0a0) at
/home/jbevain/sources/mcs/class/corlib/System/Delegate.cs:263
#7 0xb6bc152b in System.Reflection.Emit.DynamicMethod:CreateDelegate
(this=0x2e0a0, delegateType=0xc6960, target=0x1f27b0) at
/home/jbevain/sources/mcs/class/corlib/System.Reflection.Emit/DynamicMethod.cs:189
#8 0xb6bc14c8 in System.Dynamic.Utils.TypeExtensions:CreateDelegate
(methodInfo=0x2e0a0, delegateType=0xc6960, target=0x1f27b0) at
xdb.il:44617
#9 0xb6bc13d7 in
System.Linq.Expressions.Compiler.LambdaCompiler:CreateDelegate
(this=0x1f17e0) at xdb.il:44564
#10 0xb6bcb61f in
System.Linq.Expressions.Compiler.LambdaCompiler:Compile
(lambda=0x1f0ca0) at xdb.il:34475
#11 0xb6bcb57c in System.Linq.Expressions.Expression`1<object>:Compile
(this=0x1f0ca0)
#12 0xb6b722ba in System.Dynamic.SmallRuleSet`1<object>:MakeTarget
(this=0x1f3c60)
#13 0xb6b72235 in System.Dynamic.SmallRuleSet`1<object>:GetTarget
(this=0x1f3c60)
#14 0xb6b721ea in
System.Runtime.CompilerServices.CallSiteOps:SetTarget<object>(site=1120512,
rule=2047096)
#15 0xb6bc293b in
System.Dynamic.UpdateDelegates:UpdateAndExecute3<object, object,
object, object> (site=0xe9940, arg0=0x5ab80, arg1=0x50cf0,
arg2=0x111528)
#16 0xb6bbe81c in (wrapper static-rgctx-invoke)
System.Dynamic.UpdateDelegates:static_rgctx_invoke_object_CallSite_RubyScope_object_MutableString
(param0=0x111900, param1=0x5ab80, param2=0x50cf0, param3=0x111528)at
xdb.il:43447
#17 0xb6ba3120 in (wrapper dynamic-method) object:IR;#;test.rb;0;
(param0=0xe9ab0, param1=0x111d50, param2=0x25aa0) at xdb.il:44669
#18 0xb6bcb2b8 in Microsoft.Scripting.ScriptCode:InvokeTarget
(this=0x111d68, code=0x4e700, scope=0x111d50) at xdb.il:34374
#19 0xb6bcb279 in Microsoft.Scripting.ScriptCode:Run (this=0x111d68,
scope=0x111d50) at xdb.il:34361
#20 0xb6bcb1f3 in Microsoft.Scripting.ScriptCode:Run (this=0x111d68)
at xdb.il:34331
#21 0xb6beac36 in IronRuby.Runtime.RubyContext:ExecuteProgram
(this=0x25aa0, program=0xe2eb0) at xdb.il:17847
#22 0xb6beab8d in
Microsoft.Scripting.Hosting.ScriptSource:ExecuteProgram (this=0x8b978)
at xdb.il:17816
#23 0xb6beab2c in (wrapper remoting-invoke-with-check)
Microsoft.Scripting.Hosting.ScriptSource:ExecuteProgram (this=0x8b978)
at xdb.il:17807
#24 0xb6beaa4e in
Microsoft.Scripting.Hosting.Shell.CommandLine:RunFile (this=0xe2f00,
source=0x8b978) at xdb.il:17749
#25 0xb6bea389 in IronRuby.Hosting.RubyCommandLine:RunFile
(this=0xe2f00, fileName=0x48fe0) at xdb.il:17406
#26 0xb6bea2d2 in Microsoft.Scripting.Hosting.Shell.CommandLine:Run
(this=0xe2f00) at xdb.il:17363
#27 0xb6bea103 in Microsoft.Scripting.Hosting.Shell.CommandLine:Run
(this=0xe2f00, engine=0x4e880, console=0xe2ed8, options=0x4b320) at
xdb.il:17265
#28 0xb6be5570 in
Microsoft.Scripting.Hosting.Shell.ConsoleHost:RunCommandLine(this=0x4bfc8)
at xdb.il:16737
#29 0xb6be5370 in
Microsoft.Scripting.Hosting.Shell.ConsoleHost:ExecuteInternal(this=0x4bfc8)
at xdb.il:16638
#30 0xb6be520e in
Microsoft.Scripting.Hosting.Shell.ConsoleHost:Execute (this=0x4bfc8)
at xdb.il:16568
#31 0xb780b81b in Microsoft.Scripting.Hosting.Shell.ConsoleHost:Run
(this=0x4bfc8, args=0x29f48) at xdb.il:276
#32 0xb780b2ca in RubyConsoleHost:Main (args=0x29f48) at xdb.il:79
#33 0xb780b203 in (wrapper runtime-invoke)
RubyConsoleHost:runtime_invoke_int_object (param0=<value optimized
out>, param1=-1073746312, param2=0, param3=-1216302424) at xdb.il:53
#34 0x0814551e in mono_runtime_exec_main (method=0x82cdde4,
args=0x29f48, exc=0x0) at object.c:3335
#35 0x08145c3b in mono_runtime_run_main (method=0x82cdde4, argc=1,
argv=0xbffff0d8, exc=0x0) at object.c:3123
#36 0x080b1b0a in mono_main (argc=3, argv=0xbffff0d4) at driver.c:969
#37 0x0805aff1 in main (argc=149723456, argv=0x0) at main.c:34
(gdb)
And most importantly, the code that is trying to be emitted by the
DynamicMethod is as follows:
(gdb) p mono_method_get_header(method)->code
$1 = (const unsigned char *) 0x8ec15e0 "\005\002{\001"
(gdb) p mono_method_get_header(method)->code_size
$2 = 198
(gdb) p mono_disasm_code (0, method, 0x8ec15e0, 0x8ec15e0 + 198)
IL_0000: ldarg.3
IL_0001: ldarg.0
IL_0002: ldfld <System.Runtime.CompilerServices.Closure:Constants>
IL_0007: ldc.i4.0
IL_0008: ldelem.ref
IL_0009: ceq
IL_000b: brfalse IL_00a3
IL_0010: ldarg.2
IL_0011: call <IronRuby.Runtime.RubyOps:GetContextFromScope
(IronRuby.Runtime.RubyScope)>
IL_0016: ldarg.0
IL_0017: ldfld <System.Runtime.CompilerServices.Closure:Constants>
IL_001c: ldc.i4.1
IL_001d: ldelem.ref
IL_001e: castclass <RubyContext>
IL_0023: ceq
IL_0025: brfalse IL_00a3
IL_002a: ldarg.s 4
IL_002c: brfalse IL_00a3
IL_0031: ldarg.s 4
IL_0033: castclass <Object>
IL_0038: callvirt <object:GetType ()>
IL_003d: ldtoken <IronRuby.Builtins.MutableString>
IL_0042: call <System.Type:GetTypeFromHandle (System.RuntimeTypeHandle)>
IL_0047: ceq
IL_0049: brfalse IL_00a3
IL_004e: ldarg.0
IL_004f: ldfld <System.Runtime.CompilerServices.Closure:Constants>
IL_0054: ldc.i4.2
IL_0055: ldelem.ref
IL_0056: castclass <StrongBox`1>
IL_005b: ldfld <System.Runtime.CompilerServices.StrongBox`1:Value>
IL_0060: ldc.i4 189
IL_0065: ceq
IL_0067: brfalse IL_009d
IL_006c: ldarg.2
IL_006d: ldarg.3
IL_006e: ldarg.0
IL_006f: ldfld <System.Runtime.CompilerServices.Closure:Constants>
IL_0074: ldc.i4.3
IL_0075: ldelem.ref
IL_0076: castclass <CallSite`1>
IL_007b: dup
IL_007c: stloc.0
IL_007d: ldfld <System.Runtime.CompilerServices.CallSite`1:Target>
IL_0082: ldloc.0
IL_0083: ldarg.2
IL_0084: call <IronRuby.Runtime.RubyOps:GetContextFromScope
(IronRuby.Runtime.RubyScope)>
IL_0089: ldarg.s 4
IL_008b: callvirt
<System.Func`4<System.Runtime.CompilerServices.CallSite,
IronRuby.Runtime.RubyContext, IronRuby.Builtins.MutableString,
IronRuby.Builtins.MutableString>:Invoke
(System.Runtime.CompilerServices.CallSite,IronRuby.Runtime.RubyContext,IronRuby.Builtins.MutableString)>
IL_0090: call <IronRuby.Builtins.KernelOps:Require
(IronRuby.Runtime.RubyScope,object,IronRuby.Builtins.MutableString)>
IL_0095: tail.
IL_0097: call
<Microsoft.Scripting.Runtime.ScriptingRuntimeHelpers:BooleanToObject
(bool)>
IL_009c: ret
IL_009d: br IL_00a3
IL_00a2: ret
IL_00a3: ldarg.1
IL_00a4: call
<System.Runtime.CompilerServices.CallSiteOps:NeedsUpdate
(System.Runtime.CompilerServices.CallSite)>
IL_00a9: brfalse IL_00b0
IL_00ae: ldnull
IL_00af: ret
IL_00b0: ldarg.1
IL_00b1: castclass <CallSite`1>
IL_00b6: callvirt
<System.Runtime.CompilerServices.CallSite`1<System.Func`5<System.Runtime.CompilerServices.CallSite,
IronRuby.Runtime.RubyScope, object, IronRuby.Builtins.MutableString,
object>>:get_Update ()>
IL_00bb: ldarg.1
IL_00bc: ldarg.2
IL_00bd: ldarg.3
IL_00be: ldarg.s 4
IL_00c0: callvirt
<System.Func`5<System.Runtime.CompilerServices.CallSite,
IronRuby.Runtime.RubyScope, object, IronRuby.Builtins.MutableString,
object>:Invoke
(System.Runtime.CompilerServices.CallSite,IronRuby.Runtime.RubyScope,object,IronRuby.Builtins.MutableString)>
IL_00c5: ret
The issue here is the instruction:
IL_00a2: ret
With is right after an unconditional branch, thus will be executed,
but the IL is still wrong.
--
Jb Evain <[email protected]>
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