LGTM, I will queue this patch for loongarch-next if no one has objections. Thank you. On Sat, Dec 31, 2022 at 6:08 PM Hengqi Chen <hengqi.chen@xxxxxxxxx> wrote: > > Add PT_REGS macros for LoongArch ([0]). > > [0]: https://loongson.github.io/LoongArch-Documentation/LoongArch-ELF-ABI-EN.html > > Signed-off-by: Hengqi Chen <hengqi.chen@xxxxxxxxx> > --- > tools/lib/bpf/bpf_tracing.h | 23 +++++++++++++++++++++++ > 1 file changed, 23 insertions(+) > > diff --git a/tools/lib/bpf/bpf_tracing.h b/tools/lib/bpf/bpf_tracing.h > index 9c1b1689068d..bdb0f6b5be84 100644 > --- a/tools/lib/bpf/bpf_tracing.h > +++ b/tools/lib/bpf/bpf_tracing.h > @@ -32,6 +32,9 @@ > #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 */ > @@ -62,6 +65,9 @@ > #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 > @@ -258,6 +264,23 @@ struct pt_regs___arm64 { > /* 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) > -- > 2.31.1 >
