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dbghelp: Support UWOP_PUSH_MACHFRAME on x64. 

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Paul Gofman 2021-01-15 16:06:41 +03:00 committed by Alexandre Julliard
parent 6bcde00566
commit 4005201922
1 changed files with 19 additions and 2 deletions
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21
dlls/dbghelp/cpu_x86_64.c
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@ -474,6 +474,7 @@ static BOOL interpret_function_table_entry(struct cpu_stack_walk* csw,
DWORD64 newframe, prolog_offset, off, value;
M128A floatvalue;
union handler_data handler_data;
BOOL mach_frame = FALSE;
/* FIXME: we have some assumptions here */
assert(context);
@ -556,7 +557,23 @@ static BOOL interpret_function_table_entry(struct cpu_stack_walk* csw,
set_float_reg(context, info->UnwindCode[i].u.OpInfo, floatvalue);
break;
case UWOP_PUSH_MACHFRAME:
FIXME("PUSH_MACHFRAME %u\n", info->UnwindCode[i].u.OpInfo);
if (info->Flags & UNW_FLAG_CHAININFO)
{
FIXME("PUSH_MACHFRAME with chained unwind info.\n");
break;
}
if (i + get_opcode_size(info->UnwindCode[i]) < info->CountOfCodes)
{
FIXME("PUSH_MACHFRAME is not the last opcode.\n");
break;
}
if (info->UnwindCode[i].u.OpInfo)
context->Rsp += 0x8;
if (!sw_read_mem(csw, context->Rsp, &context->Rip, sizeof(DWORD64))) return FALSE;
if (!sw_read_mem(csw, context->Rsp + 24, &context->Rsp, sizeof(DWORD64))) return FALSE;
mach_frame = TRUE;
break;
default:
FIXME("unknown code %u\n", info->UnwindCode[i].u.UnwindOp);
@ -569,7 +586,7 @@ static BOOL interpret_function_table_entry(struct cpu_stack_walk* csw,
&handler_data, sizeof(handler_data))) return FALSE;
function = &handler_data.chain; /* restart with the chained info */
}
return default_unwind(csw, context);
return mach_frame ? TRUE : default_unwind(csw, context);
}
/* fetch_next_frame()