#elif defined(__TARGET_ARCH_arc)
#define bpf_target_arc
#define bpf_target_defined
+#elif defined(__TARGET_ARCH_loongarch)
+ #define bpf_target_loongarch
+ #define bpf_target_defined
#else
/* Fall back to what the compiler says */
#elif defined(__arc__)
#define bpf_target_arc
#define bpf_target_defined
+#elif defined(__loongarch__)
+ #define bpf_target_loongarch
+ #define bpf_target_defined
#endif /* no compiler target */
#endif
/* arc does not select ARCH_HAS_SYSCALL_WRAPPER. */
#define PT_REGS_SYSCALL_REGS(ctx) ctx
+#elif defined(bpf_target_loongarch)
+
+/* https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html */
+
+#define __PT_PARM1_REG regs[4]
+#define __PT_PARM2_REG regs[5]
+#define __PT_PARM3_REG regs[6]
+#define __PT_PARM4_REG regs[7]
+#define __PT_PARM5_REG regs[8]
+#define __PT_RET_REG regs[1]
+#define __PT_FP_REG regs[22]
+#define __PT_RC_REG regs[4]
+#define __PT_SP_REG regs[3]
+#define __PT_IP_REG csr_era
+/* loongarch does not select ARCH_HAS_SYSCALL_WRAPPER. */
+#define PT_REGS_SYSCALL_REGS(ctx) ctx
+
#endif
#if defined(bpf_target_defined)