dbghelp: Don't use .debug_frame section if non present when unwinding.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=52295Signed-off-by: Eric Pouech <eric.pouech@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dbghelp: Don't use .debug_frame section if non present when unwinding.
00a11ff7 · Eric Pouech · Alexandre Julliard · 3084624f · 00a11ff7
Commit 00a11ff7 authored Jan 03, 2022 by Eric Pouech Committed by Alexandre Julliard Jan 03, 2022
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dwarf.c dlls/dbghelp/dwarf.c +2 -1

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--- a/dlls/dbghelp/dwarf.c
+++ b/dlls/dbghelp/dwarf.c
@@ -3774,7 +3774,8 @@ static BOOL dwarf2_fetch_frame_info(struct module* module, struct cpu* cpu, LONG
        fde_ctx.data = modfmt->u.dwarf2_info->debug_frame.address;
        fde_ctx.end_data = fde_ctx.data + modfmt->u.dwarf2_info->debug_frame.size;
        delta = module->reloc_delta;
-        if (!dwarf2_get_cie(ip, module, delta, &fde_ctx, &cie_ctx, info, FALSE))
+        if (modfmt->u.dwarf2_info->debug_frame.address == IMAGE_NO_MAP ||
+            !dwarf2_get_cie(ip, module, delta, &fde_ctx, &cie_ctx, info, FALSE))
        {
            TRACE("Couldn't find information for %lx\n", ip);
            return FALSE;