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[PATCH] Uml support: add PTRACE_SYSEMU_SINGLESTEP option to i386

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This patch implements the new ptrace option PTRACE_SYSEMU_SINGLESTEP, which
can be used by UML to singlestep a process: it will receive SINGLESTEP
interceptions for normal instructions and syscalls, but syscall execution will
be skipped just like with PTRACE_SYSEMU.

Signed-off-by: Bodo Stroesser <bstroesser@fujitsu-siemens.com>
Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Cc: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Bodo Stroesser 2005-09-03 15:57:20 -07:00 • committed by Linus Torvalds
parent c8c86cecd1
commit 1b38f0064e
2 changed files with 18 additions and 4 deletions
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1
include/linux/ptrace.h
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@ -21,6 +21,7 @@
#define PTRACE_SYSCALL 24
#define PTRACE_SYSEMU 31
#define PTRACE_SYSEMU_SINGLESTEP 32
/* 0x4200-0x4300 are reserved for architecture-independent additions. */
#define PTRACE_SETOPTIONS 0x4200