Fix 'cannot resolve "sys_open"' in dev-util/crash-8.0.0 on x86

crash-patch.txt (text/plain), 848 bytes, created by Pierre Asselin on 2022-03-28 16:21:35 UTC

--- x86.c.orig	2022-03-27 15:38:55.520744910 -0400
+++ x86.c	2022-03-27 17:04:14.099323650 -0400
@@ -4482,12 +4482,18 @@ x86_omit_frame_pointer(void)
 {
         ulonglong push_bp_mov_esp_bp;
         int i;
-        char *checkfuncs[] = {"sys_open", "sys_fork", "sys_read"};
+        char *checkfuncs[] = {
+                "sys_open", "sys_fork", "sys_read"
+                "__ia32_sys_open", "__ia32_sys_fork", "__ia32_sys_read"
+        };
 
         if (pc->flags & KERNEL_DEBUG_QUERY)
                 return FALSE;
 
         for (i = 0; i < 2; i++) {
+                if(!kernel_symbol_exists(checkfuncs[i]))
+                        continue;
+
                 if (!readmem(symbol_value(checkfuncs[i]), KVADDR,
                     &push_bp_mov_esp_bp, sizeof(ulonglong),
                     "x86_omit_frame_pointer", RETURN_ON_ERROR))