Messages in this thread Patch in this message | | | Date | Mon, 10 Aug 2009 16:52:13 -0400 | From | Jason Baron <> | Subject | [PATCH 01/12] map syscall name to number |
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Add a new function to support translating a syscall name to number at runtime. This allows the syscall event tracer to map syscall names to number.
Signed-off-by: Jason Baron <jbaron@redhat.com>
--- arch/x86/kernel/ftrace.c | 16 ++++++++++++++++ 1 files changed, 16 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c index 8e96634..afb31d7 100644 --- a/arch/x86/kernel/ftrace.c +++ b/arch/x86/kernel/ftrace.c @@ -500,6 +500,22 @@ struct syscall_metadata *syscall_nr_to_meta(int nr) return syscalls_metadata[nr]; } +int syscall_name_to_nr(char *name) +{ + int i; + + if (!syscalls_metadata) + return -1; + + for (i = 0; i < FTRACE_SYSCALL_MAX; i++) { + if (syscalls_metadata[i]) { + if (!strcmp(syscalls_metadata[i]->name, name)) + return i; + } + } + return -1; +} + void arch_init_ftrace_syscalls(void) { int i; -- 1.6.2.5
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