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s390/ptrace: add support for PTRACE_SINGLEBLOCK

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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>
This commit is contained in:
Martin Schwidefsky
2014-03-14 12:01:08 +01:00
parent 443fc8a3e0
commit 818a330c4e
4 changed files with 20 additions and 1 deletions
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6
arch/s390/include/uapi/asm/ptrace.h
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@@ -402,6 +402,12 @@ typedef struct
#define PTRACE_DISABLE_TE 0x5010
#define PTRACE_TE_ABORT_RAND 0x5011
/*
* The numbers chosen here are somewhat arbitrary but absolutely MUST
* not overlap with any of the number assigned in <linux/ptrace.h>.
*/
#define PTRACE_SINGLEBLOCK 12 /* resume execution until next branch */
/*
* PT_PROT definition is loosely based on hppa bsd definition in
* gdb/hppab-nat.c