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ntdll: Support relay debugging of fastcall entry points. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2019-02-27 17:12:15 +01:00
parent 84a7a7ea07
commit 9c9efd7068
1 changed files with 10 additions and 4 deletions
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14
dlls/ntdll/relay.c
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@ -371,7 +371,11 @@ DECLSPEC_HIDDEN void * WINAPI relay_trace_entry( struct relay_descr *descr, unsi
if (!is_ret_val( arg_types[i+1] )) TRACE( "," );
}
*nb_args = pos;
if (arg_types[0] == 't') *nb_args |= 0x80000000; /* thiscall */
if (arg_types[0] == 't')
{
*nb_args |= 0x80000000; /* thiscall/fastcall */
if (arg_types[1] == 't') *nb_args |= 0x40000000; /* fastcall */
}
TRACE( ") ret=%08x\n", stack[-1] );
return entry_point->orig_func;
}
@ -416,9 +420,8 @@ __ASM_GLOBAL_FUNC( relay_call,
"pushl 8(%ebp)\n\t"
"call " __ASM_NAME("relay_trace_entry") "\n\t"
/* copy the arguments*/
"movl -16(%ebp),%ecx\n\t" /* number of args */
"movzwl -16(%ebp),%ecx\n\t" /* number of args */
"jecxz 1f\n\t"
"andl $0x7fffffff,%ecx\n\t"
"leal 0(,%ecx,4),%edx\n\t"
"subl %edx,%esp\n\t"
"andl $~15,%esp\n\t"
@ -427,7 +430,10 @@ __ASM_GLOBAL_FUNC( relay_call,
"rep; movsl\n\t"
"testl $0x80000000,-16(%ebp)\n\t" /* thiscall */
"jz 1f\n\t"
"popl %ecx\n"
"popl %ecx\n\t"
"testl $0x40000000,-16(%ebp)\n\t" /* fastcall */
"jz 1f\n\t"
"popl %edx\n"
/* call the entry point */
"1:\tcall *%eax\n\t"
"movl %eax,%esi\n\t"