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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2008-10-10 21:33:20 +0200
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2008-10-10 21:33:57 +0200
commit753c4dd6a2fa2af81f5d809d610d29f2d9dd9bc1 (patch)
treec6c1869a58357945e501b2eba3485ca154ee2f07 /arch/s390/include/asm/ptrace.h
parentd86730bb9597b02bff59a3a5a01c0094d71a265f (diff)
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[S390] ptrace changes
* System call parameter and result access functions * Add tracehook calls * Split syscall_trace into two functions do_syscall_trace_enter and do_syscall_trace_exit Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/ptrace.h')
-rw-r--r--arch/s390/include/asm/ptrace.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h
index af2c9ac28a07..a7226f8143fb 100644
--- a/arch/s390/include/asm/ptrace.h
+++ b/arch/s390/include/asm/ptrace.h
@@ -490,6 +490,7 @@ extern void user_disable_single_step(struct task_struct *);
#define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
#define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN)
+#define user_stack_pointer(regs)((regs)->gprs[15])
#define regs_return_value(regs)((regs)->gprs[2])
#define profile_pc(regs) instruction_pointer(regs)
extern void show_regs(struct pt_regs * regs);
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