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ntdll: Implement relay debugging for register entry points on x86_64.

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This commit is contained in:
Alexandre Julliard 2009-01-06 17:01:56 +01:00
parent 465ddc51dc
commit 814edb4520
1 changed files with 70 additions and 3 deletions
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73
dlls/ntdll/relay.c
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@ -479,7 +479,76 @@ void WINAPI __regs_relay_call_regs( struct relay_descr *descr, unsigned int idx,
}
extern void WINAPI relay_call_regs(void);
DEFINE_REGS_ENTRYPOINT( relay_call_regs, 4 )
#endif
#else /* __i386__ */
void WINAPI __regs_relay_call_regs( struct relay_descr *descr, INT_PTR idx,
INT_PTR *stack, CONTEXT *context )
{
WORD ordinal = LOWORD(idx);
BYTE nb_args = LOBYTE(HIWORD(idx));
struct relay_private_data *data = descr->private;
struct relay_entry_point *entry_point = data->entry_points + ordinal;
BYTE *orig_func = entry_point->orig_func;
INT_PTR *args = stack + 1;
INT_PTR args_copy[32];
/* restore the context to what it was before the relay thunk */
context->Rip = stack[0];
context->Rsp = (INT_PTR)args;
if (TRACE_ON(relay))
{
if (entry_point->name)
DPRINTF( "%04x:Call %s.%s(", GetCurrentThreadId(), data->dllname, entry_point->name );
else
DPRINTF( "%04x:Call %s.%u(", GetCurrentThreadId(), data->dllname, data->base + ordinal );
RELAY_PrintArgs( args, nb_args, descr->arg_types[ordinal] );
DPRINTF( ") ret=%08lx\n", context->Rip );
DPRINTF( "%04x: rax=%016lx rbx=%016lx rcx=%016lx rdx=%016lx rsi=%016lx rdi=%016lx rbp=%016lx rsp=%016lx\n",
GetCurrentThreadId(), context->Rax, context->Rbx, context->Rcx, context->Rdx,
context->Rsi, context->Rdi, context->Rbp, context->Rsp );
DPRINTF( "%04x: r8=%016lx r9=%016lx r10=%016lx r11=%016lx r12=%016lx r13=%016lx r14=%016lx r15=%016lx\n",
GetCurrentThreadId(), context->R8, context->R9, context->R10, context->R11,
context->R12, context->R13, context->R14, context->R15 );
assert( orig_func[17] == 0x48 /* leaq */ );
assert( orig_func[18] == 0x8d );
assert( orig_func[19] == 0x15 );
assert( orig_func[24] == 0xe8 /* call */ );
}
/* now call the real function */
memcpy( args_copy, args, nb_args * sizeof(args[0]) );
args_copy[nb_args++] = (INT_PTR)context; /* append context argument */
call_entry_point( orig_func + 24 + *(int *)(orig_func + 20), nb_args, args_copy );
if (TRACE_ON(relay))
{
if (entry_point->name)
DPRINTF( "%04x:Ret %s.%s() retval=%08lx ret=%08lx\n",
GetCurrentThreadId(), data->dllname, entry_point->name,
context->Rax, context->Rip );
else
DPRINTF( "%04x:Ret %s.%u() retval=%08lx ret=%08lx\n",
GetCurrentThreadId(), data->dllname, data->base + ordinal,
context->Rax, context->Rip );
DPRINTF( "%04x: rax=%016lx rbx=%016lx rcx=%016lx rdx=%016lx rsi=%016lx rdi=%016lx rbp=%016lx rsp=%016lx\n",
GetCurrentThreadId(), context->Rax, context->Rbx, context->Rcx, context->Rdx,
context->Rsi, context->Rdi, context->Rbp, context->Rsp );
DPRINTF( "%04x: r8=%016lx r9=%016lx r10=%016lx r11=%016lx r12=%016lx r13=%016lx r14=%016lx r15=%016lx\n",
GetCurrentThreadId(), context->R8, context->R9, context->R10, context->R11,
context->R12, context->R13, context->R14, context->R15 );
}
}
extern void WINAPI relay_call_regs(void);
DEFINE_REGS_ENTRYPOINT( relay_call_regs, 3 )
#endif /* __i386__ */
/***********************************************************************
@ -529,9 +598,7 @@ void RELAY_SetupDLL( HMODULE module )
return;
descr->relay_call = relay_call;
#ifdef __i386__
descr->relay_call_regs = relay_call_regs;
#endif
descr->private = data;
data->module = module;