diff options
Diffstat (limited to 'arch/s390/kernel/binfmt_elf32.c')
| -rw-r--r-- | arch/s390/kernel/binfmt_elf32.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/s390/kernel/binfmt_elf32.c b/arch/s390/kernel/binfmt_elf32.c index f1e40ca00d8d..3e1c315b736d 100644 --- a/arch/s390/kernel/binfmt_elf32.c +++ b/arch/s390/kernel/binfmt_elf32.c @@ -134,6 +134,7 @@ static inline int dump_task_fpu(struct task_struct *tsk, elf_fpregset_t *fpregs) } #include <asm/processor.h> +#include <asm/pgalloc.h> #include <linux/module.h> #include <linux/elfcore.h> #include <linux/binfmts.h> @@ -183,6 +184,16 @@ struct elf_prpsinfo32 #undef start_thread #define start_thread start_thread31 +static inline void start_thread31(struct pt_regs *regs, unsigned long new_psw, + unsigned long new_stackp) +{ + set_fs(USER_DS); + regs->psw.mask = psw_user32_bits; + regs->psw.addr = new_psw; + regs->gprs[15] = new_stackp; + crst_table_downgrade(current->mm, 1UL << 31); +} + MODULE_DESCRIPTION("Binary format loader for compatibility with 32bit Linux for S390 binaries," " Copyright 2000 IBM Corporation"); MODULE_AUTHOR("Gerhard Tonn <ton@de.ibm.com>"); |