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| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-03-14 11:01:08 (GMT) |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2014-03-14 11:59:38 (GMT) |
| commit | 818a330c4e1be9c39fa7ca9221e044907d92b4bb (patch) | |
| tree | 1341793bde170543839a96a71fd72350c8f04c1d /arch/s390/include/asm | |
| parent | 443fc8a3e01cef95f2c7c26605457d49e63da6b1 (diff) | |
| download | linux-818a330c4e1be9c39fa7ca9221e044907d92b4bb.tar.xz | |
s390/ptrace: add support for PTRACE_SINGLEBLOCK
The PTRACE_SINGLEBLOCK option is used to get control whenever
the inferior has executed a successful branch. The PER option to
implement block stepping is successful-branching event, bit 32
in the PER-event mask.
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/include/asm')
| -rw-r--r-- | arch/s390/include/asm/ptrace.h | 1 | ||||
| -rw-r--r-- | arch/s390/include/asm/thread_info.h | 1 |
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/include/asm/ptrace.h b/arch/s390/include/asm/ptrace.h index 9c82ceb..f4783c0 100644 --- a/arch/s390/include/asm/ptrace.h +++ b/arch/s390/include/asm/ptrace.h @@ -83,6 +83,7 @@ struct per_struct_kernel { * These are defined as per linux/ptrace.h, which see. */ #define arch_has_single_step() (1) +#define arch_has_block_step() (1) #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0) #define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN) diff --git a/arch/s390/include/asm/thread_info.h b/arch/s390/include/asm/thread_info.h index d2e53d6..3ccd71b 100644 --- a/arch/s390/include/asm/thread_info.h +++ b/arch/s390/include/asm/thread_info.h @@ -92,6 +92,7 @@ static inline struct thread_info *current_thread_info(void) #define TIF_MEMDIE 18 /* is terminating due to OOM killer */ #define TIF_RESTORE_SIGMASK 19 /* restore signal mask in do_signal() */ #define TIF_SINGLE_STEP 20 /* This task is single stepped */ +#define TIF_BLOCK_STEP 21 /* This task is block stepped */ #define _TIF_SYSCALL (1<<TIF_SYSCALL) #define _TIF_NOTIFY_RESUME (1<<TIF_NOTIFY_RESUME) |