x86: PTRACE_SINGLEBLOCK (0fa376e0) · Commits · 戴 / test

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>

arch/x86/ia32/ptrace32.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -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:

include/asm-x86/ptrace-abi.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -78,4 +78,6 @@
		# define PTRACE_SYSEMU_SINGLESTEP 32
		#endif

		#define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */

		#endif

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