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author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2009-10-06 08:34:13 (GMT) |
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committer | Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> | 2009-10-06 08:35:10 (GMT) |
commit | ea2a4d3a3a929ef494952bba57a0ef1a8a877881 (patch) | |
tree | 757cd0a94f71a3d62d3c5038e408fcd49796685f /arch/s390/include/asm | |
parent | dd43bfca431b02117e8598e01b301e001a68295e (diff) | |
download | linux-fsl-qoriq-ea2a4d3a3a929ef494952bba57a0ef1a8a877881.tar.xz |
[S390] 64-bit register support for 31-bit processes
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>
Diffstat (limited to 'arch/s390/include/asm')
-rw-r--r-- | arch/s390/include/asm/elf.h | 12 | ||||
-rw-r--r-- | arch/s390/include/asm/ptrace.h | 4 | ||||
-rw-r--r-- | arch/s390/include/asm/ucontext.h | 15 |
3 files changed, 31 insertions, 0 deletions
diff --git a/arch/s390/include/asm/elf.h b/arch/s390/include/asm/elf.h index 74d0bbb..e885442 100644 --- a/arch/s390/include/asm/elf.h +++ b/arch/s390/include/asm/elf.h @@ -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. */ diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h index 539263f..95dcf18 100644 --- a/arch/s390/include/asm/ptrace.h +++ b/arch/s390/include/asm/ptrace.h @@ -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__ diff --git a/arch/s390/include/asm/ucontext.h b/arch/s390/include/asm/ucontext.h index d69bec0..cfb874e 100644 --- a/arch/s390/include/asm/ucontext.h +++ b/arch/s390/include/asm/ucontext.h @@ -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; |