syscall_exec32: set top properly

diff --git a/Kernel/syscall_exec32.c b/Kernel/syscall_exec32.c
index 4de2328..688f1e7 100644 (file)
--- a/Kernel/syscall_exec32.c
+++ b/Kernel/syscall_exec32.c
@@ -151,7 +151,6 @@ arg_t _execve(void)
                goto nogood;
        }
 
-       
        /* FIXME: ugly - save this as valid_hdr modifies it */
        true_brk = binflat.bss_end;
 
@@ -210,6 +209,9 @@ arg_t _execve(void)
 
        top = progbase + bin_size;
 
+       udata.u_top = top;
+       udata.u_ptab->p_top = top;
+
 //     kprintf("user space at %p\n", progbase);
 //     kprintf("top at %p\n", progbase + bin_size);
 
@@ -430,11 +432,11 @@ uint8_t write_core_image(void)
                        udata.u_count = sizeof(corehdr);
                        writei(ino, 0);
                        udata.u_sysio = false;
-                       udata.u_base = MAPBASE;
+                       udata.u_base = (uint8_t *)MAPBASE;
                        udata.u_count = udata.u_break - MAPBASE;
                        writei(ino, 0);
                        udata.u_base = udata.u_sp;
-                       udata.u_count = PROGTOP - (uint16_t)udata.u_sp;
+                       udata.u_count = PROGTOP - (uint32_t)udata.u_sp;
                        writei(ino, 0);
                        i_unlock_deref(ino);
                        return W_COREDUMP;