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authorFrederic Weisbecker <fweisbec@gmail.com>2009-03-13 15:42:12 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-13 16:57:42 +0100
commitf58ba100678f421bdcb000a3c71793f432dfab93 (patch)
tree0f4fee33c458bae9d354e5ec5a3240016a4f0c53 /arch/x86/include/asm/ftrace.h
parent1b3fa2ce64363c289b3b14723cca7290bf91cfce (diff)
downloadop-kernel-dev-f58ba100678f421bdcb000a3c71793f432dfab93.zip
op-kernel-dev-f58ba100678f421bdcb000a3c71793f432dfab93.tar.gz
tracing/syscalls: support for syscalls tracing on x86
Extend x86 architecture syscall tracing support with syscall metadata table details. (The upcoming core syscall tracing modifications rely on this.) Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org> LKML-Reference: <1236955332-10133-3-git-send-email-fweisbec@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/ftrace.h')
-rw-r--r--arch/x86/include/asm/ftrace.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
index db24c22..bd2c651 100644
--- a/arch/x86/include/asm/ftrace.h
+++ b/arch/x86/include/asm/ftrace.h
@@ -28,6 +28,13 @@
#endif
+/* FIXME: I don't want to stay hardcoded */
+#ifdef CONFIG_X86_64
+# define FTRACE_SYSCALL_MAX 296
+#else
+# define FTRACE_SYSCALL_MAX 333
+#endif
+
#ifdef CONFIG_FUNCTION_TRACER
#define MCOUNT_ADDR ((long)(mcount))
#define MCOUNT_INSN_SIZE 5 /* sizeof mcount call */
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