syscall_exec32: ifdef out most of core dump for now
authorAlan Cox <alan@linux.intel.com>
Tue, 22 Jan 2019 23:52:00 +0000 (23:52 +0000)
committerAlan Cox <alan@linux.intel.com>
Tue, 22 Jan 2019 23:52:00 +0000 (23:52 +0000)
We need to do this very differently to 8bit, probably with a callback into
the mapper

Kernel/syscall_exec32.c

index c55c53e..fb316be 100644 (file)
@@ -418,12 +418,14 @@ uint8_t write_core_image(void)
                        setftime(ino, A_TIME | M_TIME | C_TIME);
                        wr_inode(ino);
                        f_trunc(ino);
-
+#if 0
+       /* FIXME address ranges for different models - move core writer
+          for address spaces into helpers ?  */
                        /* FIXME: need to add some arch specific header bits, and
                           also pull stuff like the true sp and registers out of
                           the return stack properly */
 
-                       corehdr.ch_base = MAPBASE;
+                       corehdr.ch_base = pagemap_base;
                        corehdr.ch_break = udata.u_break;
                        corehdr.ch_sp = udata.u_syscall_sp;
                        corehdr.ch_top = PROGTOP;
@@ -433,12 +435,13 @@ uint8_t write_core_image(void)
                        udata.u_count = sizeof(corehdr);
                        writei(ino, 0);
                        udata.u_sysio = false;
-                       udata.u_base = (uint8_t *)MAPBASE;
-                       udata.u_count = udata.u_break - MAPBASE;
+                       udata.u_base = (uint8_t *)pagemap_base;
+                       udata.u_count = udata.u_break - pagemap_base;
                        writei(ino, 0);
                        udata.u_base = udata.u_sp;
                        udata.u_count = PROGTOP - (uint32_t)udata.u_sp;
                        writei(ino, 0);
+#endif
                        i_unlock_deref(ino);
                        return W_COREDUMP;
                }