blob: c0d4043de8f47b532c66ee4ed9994e336b3dc7c2 (
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Index: strace-4.8/syscall.c
===================================================================
--- strace-4.8.orig/syscall.c
+++ strace-4.8/syscall.c
@@ -1355,6 +1355,14 @@ get_scno(struct tcb *tcp)
if (errno)
return -1;
+#if defined(__ARMEB__) && defined(__ARM_ARCH_7A__)
+ /* We running big endian arm on ARMv7: instructions are
+ * in little endian form so we need to byteswap it. Note
+ * on older ARM like V5 Xscale code is in big endian form
+ * byte swap is not needed in this case. I.e be8 vs be32.
+ */
+ scno = __builtin_bswap32(scno);
+#endif /* __ARMEB__ && __ARM_ARCH_7A__ */
/* EABI syscall convention? */
if (scno == 0xef000000) {
scno = arm_regs.ARM_r7; /* yes */
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