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Date: Sun, 25 Nov 2007 14:08:59 -0800 (PST) From: Roland McGrath <roland@...hat.com> To: Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org> Cc: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com> Subject: [PATCH 27/27] 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@...hat.com> --- arch/x86/ia32/ptrace32.c | 1 + include/asm-x86/ptrace-abi.h | 2 ++ 2 files changed, 3 insertions(+), 0 deletions(-) diff --git a/arch/x86/ia32/ptrace32.c b/arch/x86/ia32/ptrace32.c index 5661abd..d1fe78c 100644 --- a/arch/x86/ia32/ptrace32.c +++ b/arch/x86/ia32/ptrace32.c @@ -212,6 +212,7 @@ 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: diff --git a/include/asm-x86/ptrace-abi.h b/include/asm-x86/ptrace-abi.h index 7524e12..adce6b5 100644 --- a/include/asm-x86/ptrace-abi.h +++ b/include/asm-x86/ptrace-abi.h @@ -78,4 +78,6 @@ # define PTRACE_SYSEMU_SINGLESTEP 32 #endif +#define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */ + #endif - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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