[PATCH 07/10] dbghelp/tests: StackWalk64 testing now support external process

[Eric Pouech]

Signed-off-by: Eric Pouech <eric.pouech at gmail.com>

---
 dlls/dbghelp/tests/dbghelp.c |   23 ++++++++++++++++-------
 1 file changed, 16 insertions(+), 7 deletions(-)

diff --git a/dlls/dbghelp/tests/dbghelp.c b/dlls/dbghelp/tests/dbghelp.c
index a9d3a9beebc..b9f9abe1a07 100644
--- a/dlls/dbghelp/tests/dbghelp.c
+++ b/dlls/dbghelp/tests/dbghelp.c
@@ -40,6 +40,8 @@ struct debuggee
     */
 };
 
+extern DWORD stack_walk_bottom(void);
+
 #if defined(__i386__) || defined(__x86_64__)
 
 static DWORD CALLBACK stack_walk_thread(void *arg)
@@ -56,7 +58,7 @@ static void test_stack_walk(const struct debuggee* dbg)
     STACKFRAME64 frame = {{0}}, frame0;
     BOOL found_our_frame = FALSE;
     DWORD machine;
-    DWORD64 disp;
+    DWORD64 disp, stack_walk_thread_addr;
     CONTEXT ctx;
     BOOL ret;
 
@@ -102,24 +104,31 @@ static void test_stack_walk(const struct debuggee* dbg)
     ok(frame.AddrReturn.Offset && frame.AddrReturn.Offset != frame.AddrPC.Offset,
         "got bad return address %s\n", wine_dbgstr_longlong(frame.AddrReturn.Offset));
 
+    if (dbg->external_process)
+    {
+        si->SizeOfStruct = sizeof(*si);
+        si->MaxNameLen = 200;
+        ret = SymFromName(dbg->hProcess, "stack_walk_bottom", si);
+        ok(ret, "SymFromName failed\n");
+        stack_walk_thread_addr = si->Address;
+    }
+    else
+        stack_walk_thread_addr = (DWORD_PTR)&stack_walk_thread;
     while (frame.AddrReturn.Offset)
     {
-        char *addr;
-
         ret = StackWalk64(machine, dbg->hProcess, dbg->hThread, &frame, &ctx, NULL,
             SymFunctionTableAccess64, SymGetModuleBase64, NULL);
         ok(ret, "StackWalk64() failed: %u\n", GetLastError());
 
-        addr = (void *)(DWORD_PTR)frame.AddrPC.Offset;
-
-        if (!found_our_frame && addr > (char *)stack_walk_thread && addr < (char *)stack_walk_thread + 0x100)
+        if (!found_our_frame && frame.AddrPC.Offset > stack_walk_thread_addr && frame.AddrPC.Offset < stack_walk_thread_addr + 0x100)
         {
             found_our_frame = TRUE;
 
             si->SizeOfStruct = sizeof(SYMBOL_INFO);
             si->MaxNameLen = 200;
             if (SymFromAddr(dbg->hProcess, frame.AddrPC.Offset, &disp, si))
-                ok(!strcmp(si->Name, "stack_walk_thread"), "got wrong name %s\n", si->Name);
+                ok(dbg->external_process ? !strcmp(si->Name, "stack_walk_bottom") : !strcmp(si->Name, "stack_walk_thread"),
+                   "got wrong name %s\n", si->Name);
         }
     }