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[S390] 64-bit register support for 31-bit processes

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From: Heiko Carstens <heiko.carstens@de.ibm.com>
From: Martin Schwidefsky <schwidefsky@de.ibm.com>

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2009-10-06 10:34:13 +02:00
committed by Martin Schwidefsky
parent dd43bfca43
commit ea2a4d3a3a
7 changed files with 148 additions and 4 deletions
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12
arch/s390/include/asm/elf.h
View File

@@ -92,6 +92,18 @@
/* Keep this the last entry. */
#define R_390_NUM 61
/* Bits present in AT_HWCAP. */
#define HWCAP_S390_ESAN3 1
#define HWCAP_S390_ZARCH 2
#define HWCAP_S390_STFLE 4
#define HWCAP_S390_MSA 8
#define HWCAP_S390_LDISP 16
#define HWCAP_S390_EIMM 32
#define HWCAP_S390_DFP 64
#define HWCAP_S390_HPAGE 128
#define HWCAP_S390_ETF3EH 256
#define HWCAP_S390_HIGH_GPRS 512
/*
* These are used to set parameters in the core dumps.
*/

4
arch/s390/include/asm/ptrace.h
View File

@@ -311,6 +311,10 @@ typedef struct
__u32 orig_gpr2;
} s390_compat_regs;
typedef struct
{
__u32 gprs_high[NUM_GPRS];
} s390_compat_regs_high;
#ifdef __KERNEL__

15
arch/s390/include/asm/ucontext.h
View File

@@ -9,6 +9,21 @@
#ifndef _ASM_S390_UCONTEXT_H
#define _ASM_S390_UCONTEXT_H
#define UC_EXTENDED 0x00000001
#ifndef __s390x__
struct ucontext_extended {
unsigned long uc_flags;
struct ucontext *uc_link;
stack_t uc_stack;
_sigregs uc_mcontext;
unsigned long uc_sigmask[2];
unsigned long uc_gprs_high[16];
};
#endif
struct ucontext {
unsigned long uc_flags;
struct ucontext *uc_link;