diff options
Diffstat (limited to 'libc/sysdeps/linux/v850/crt0.S')
| -rw-r--r-- | libc/sysdeps/linux/v850/crt0.S | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/libc/sysdeps/linux/v850/crt0.S b/libc/sysdeps/linux/v850/crt0.S index 7bfa9e004..2013c3b54 100644 --- a/libc/sysdeps/linux/v850/crt0.S +++ b/libc/sysdeps/linux/v850/crt0.S @@ -1,8 +1,8 @@ /* * libc/sysdeps/linux/v850/crt0.S -- Initial program entry point for linux/v850 * - * Copyright (C) 2001 NEC Corporation - * Copyright (C) 2001 Miles Bader <miles@gnu.org> + * Copyright (C) 2001,2002 NEC Corporation + * Copyright (C) 2001,2002 Miles Bader <miles@gnu.org> * * This file is subject to the terms and conditions of the GNU Lesser * General Public License. See the file COPYING.LIB in the main @@ -25,20 +25,21 @@ C_ENTRY(start): mov r7, r8 // Arg 2: envp mov r6, r10 // skip argc elements to get envp start -1: add 4, r8 - add -1, r10 - bp 1b + add 1, r10 // ...plus the NULL at the end of argv + shl 2, r10 // Convert to byte-count to skip + add r10, r8 // Zero bss area, since we can't rely upon any loader to do so mov hilo(C_SYMBOL_NAME(edata)), ep mov hilo(C_SYMBOL_NAME(end)), r10 -2: sst.w r0, 0[ep] +2: cmp ep, r10 + be 3f + sst.w r0, 0[ep] add 4, ep - cmp ep, r10 - bne 2b + br 2b // Load CTBP register - mov hilo(C_SYMBOL_NAME(_ctbp)), r19 +3: mov hilo(C_SYMBOL_NAME(_ctbp)), r19 ldsr r19, ctbp // Load GP |