trace: add support for ARM architecture

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

diff --git a/trace/trace.c b/trace/trace.c
index d70957d..5941f90 100644 (file)
--- a/trace/trace.c
+++ b/trace/trace.c
@@ -42,6 +42,8 @@
 # define EF_REG2       8
 # endif
 #define reg_syscall_nr (EF_REG2 / 4)
+#elif defined(__arm__)
+#define reg_syscall_nr _offsetof(struct user, regs.uregs[7])
 #else
 #error tracing is not supported on this architecture
 #endif