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dbghelp/dwarf: Add proper support for DW_FORM_GNU_ref_alt. 

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Eric Pouech 2021-09-16 11:10:47 +02:00 committed by Alexandre Julliard
parent d832d51c2c
commit dc0ac71f5a
1 changed files with 14 additions and 3 deletions
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17
dlls/dbghelp/dwarf.c
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@ -680,9 +680,16 @@ static BOOL dwarf2_fill_attr(const dwarf2_parse_context_t* ctx,
break;
case DW_FORM_GNU_ref_alt:
FIXME("Unhandled FORM_GNU_ref_alt\n");
attr->u.uvalue = 0;
return FALSE;
if (!ctx->module_ctx->dwz)
{
ERR("No DWZ file present for GNU_ref_alt in %s\n", debugstr_w(ctx->module_ctx->module->modulename));
attr->u.uvalue = 0;
return FALSE;
}
attr->u.uvalue = dwarf2_get_addr(data, ctx->head.offset_size);
TRACE("ref_alt<0x%lx>\n", attr->u.uvalue);
break;
case DW_FORM_GNU_strp_alt:
if (ctx->module_ctx->dwz)
{
@ -767,6 +774,10 @@ static dwarf2_debug_info_t* dwarf2_jump_to_debug_info(struct attribute* attr)
case DW_FORM_ref_addr:
ref_ctx = dwarf2_locate_cu(attr->debug_info->unit_ctx->module_ctx, attr->u.uvalue);
break;
case DW_FORM_GNU_ref_alt:
if (attr->debug_info->unit_ctx->module_ctx->dwz)
ref_ctx = dwarf2_locate_cu(&attr->debug_info->unit_ctx->module_ctx->dwz->module_ctx, attr->u.uvalue);
break;
default:
with_other = FALSE;
ref_ctx = attr->debug_info->unit_ctx;