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x86: PTRACE_SINGLEBLOCK 

This adds the PTRACE_SINGLEBLOCK request on x86, matching the ia64 feature.
The implementation comes from the generic ptrace code and relies on the
low-level machine support provided by arch_has_block_step() et al.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
hifive-unleashed-5.1
Roland McGrath 2008-01-30 13:30:55 +01:00 committed by Ingo Molnar
parent 1ecc798c67
commit 0fa376e027
2 changed files with 3 additions and 0 deletions
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1
arch/x86/ia32/ptrace32.c
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@ -227,6 +227,7 @@ asmlinkage long sys32_ptrace(long request, u32 pid, u32 addr, u32 data)
case PTRACE_KILL:
case PTRACE_CONT:
case PTRACE_SINGLESTEP:
case PTRACE_SINGLEBLOCK:
case PTRACE_DETACH:
case PTRACE_SYSCALL:
case PTRACE_OLDSETOPTIONS:

2
include/asm-x86/ptrace-abi.h
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@ -78,4 +78,6 @@
# define PTRACE_SYSEMU_SINGLESTEP 32
#endif
#define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */
#endif