Eric Pouech : dbghelp/dwarf: In DW_AT_ranges, the values are relative to the start of the CU.
Alexandre Julliard
julliard at winehq.org
Tue Sep 21 15:59:03 CDT 2021
Module: wine
Branch: master
Commit: ab8fdb191c7fc3868decfa7d442898612bf9b4b3
URL: https://source.winehq.org/git/wine.git/?a=commit;h=ab8fdb191c7fc3868decfa7d442898612bf9b4b3
Author: Eric Pouech <eric.pouech at gmail.com>
Date: Tue Sep 21 07:59:48 2021 +0200
dbghelp/dwarf: In DW_AT_ranges, the values are relative to the start of the CU.
And not the module, as most of the other addresses.
Signed-off-by: Eric Pouech <eric.pouech at gmail.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/dbghelp/dwarf.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/dlls/dbghelp/dwarf.c b/dlls/dbghelp/dwarf.c
index f67efc43993..3009dead905 100644
--- a/dlls/dbghelp/dwarf.c
+++ b/dlls/dbghelp/dwarf.c
@@ -1222,6 +1222,9 @@ static BOOL dwarf2_read_range(dwarf2_parse_context_t* ctx, const dwarf2_debug_in
high = dwarf2_parse_addr_head(&traverse, &ctx->head);
if (low == 0 && high == 0) break;
if (low == ULONG_MAX) FIXME("unsupported yet (base address selection)\n");
+ /* range values are relative to start of compilation unit */
+ low += ctx->compiland->address - ctx->module_ctx->load_offset;
+ high += ctx->compiland->address - ctx->module_ctx->load_offset;
if (low < *plow) *plow = low;
if (high > *phigh) *phigh = high;
}
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