Jacek Caban : dbghelp: Don't bother trying to initialize loader backend if we can't get debug base address from PEB.
Alexandre Julliard
julliard at winehq.org
Thu Apr 2 14:27:37 CDT 2020
Module: wine
Branch: master
Commit: 3047385437c7ef36996d0418ac378677f3e9d67c
URL: https://source.winehq.org/git/wine.git/?a=commit;h=3047385437c7ef36996d0418ac378677f3e9d67c
Author: Jacek Caban <jacek at codeweavers.com>
Date: Thu Apr 2 19:18:39 2020 +0200
dbghelp: Don't bother trying to initialize loader backend if we can't get debug base address from PEB.
Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>
---
dlls/dbghelp/dbghelp.c | 1 +
dlls/dbghelp/macho_module.c | 3 +--
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/dlls/dbghelp/dbghelp.c b/dlls/dbghelp/dbghelp.c
index b54ebf1c54..369e098381 100644
--- a/dlls/dbghelp/dbghelp.c
+++ b/dlls/dbghelp/dbghelp.c
@@ -292,6 +292,7 @@ static BOOL check_live_target(struct process* pcs)
base = base32;
}
else ReadProcessMemory(pcs->handle, &pbi.PebBaseAddress->Reserved[0], &base, sizeof(base), NULL);
+ if (!base) return FALSE;
TRACE("got debug info address %#lx from PEB %p\n", base, pbi.PebBaseAddress);
return elf_read_wine_loader_dbg_info(pcs, base) || macho_read_wine_loader_dbg_info(pcs, base);
diff --git a/dlls/dbghelp/macho_module.c b/dlls/dbghelp/macho_module.c
index 8aa232e1ed..413a25c663 100644
--- a/dlls/dbghelp/macho_module.c
+++ b/dlls/dbghelp/macho_module.c
@@ -1845,8 +1845,7 @@ static BOOL macho_search_loader(struct process* pcs, struct macho_info* macho_in
len = sizeof(image_infos.infos64);
else
len = sizeof(image_infos.infos32);
- if (pcs->dbg_hdr_addr &&
- ReadProcessMemory(pcs->handle, (void*)pcs->dbg_hdr_addr, &image_infos, len, NULL))
+ if (ReadProcessMemory(pcs->handle, (void*)pcs->dbg_hdr_addr, &image_infos, len, NULL))
{
if (pcs->is_64bit)
len = sizeof(image_info.info64);
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