From 58b2137317e092b4a601b2597382602014b7bd71 Mon Sep 17 00:00:00 2001 From: Shawn Anastasio Date: Thu, 9 Aug 2018 19:11:26 -0500 Subject: [PATCH 2/4] sandbox/linux/bpf_dsl: Modify seccomp_macros to add support for ppc64 --- sandbox/linux/bpf_dsl/seccomp_macros.h | 43 ++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/sandbox/linux/bpf_dsl/seccomp_macros.h b/sandbox/linux/bpf_dsl/seccomp_macros.h index e4e8142c46b0..98983531bf29 100644 --- a/sandbox/linux/bpf_dsl/seccomp_macros.h +++ b/sandbox/linux/bpf_dsl/seccomp_macros.h @@ -345,6 +345,49 @@ struct regs_struct { #define SECCOMP_PT_PARM4(_regs) (_regs).regs[3] #define SECCOMP_PT_PARM5(_regs) (_regs).regs[4] #define SECCOMP_PT_PARM6(_regs) (_regs).regs[5] + +#elif defined(__powerpc64__) +#include + +typedef struct pt_regs regs_struct; + +#define SECCOMP_ARCH AUDIT_ARCH_PPC64 + +#define SECCOMP_REG(_ctx, _reg) ((_ctx)->uc_mcontext.regs->gpr[_reg]) + +#define SECCOMP_RESULT(_ctx) SECCOMP_REG(_ctx, 3) +#define SECCOMP_SYSCALL(_ctx) SECCOMP_REG(_ctx, 0) +#define SECCOMP_IP(_ctx) (_ctx)->uc_mcontext.regs->nip +#define SECCOMP_PARM1(_ctx) SECCOMP_REG(_ctx) SECCOMP_REG(_ctx, 3) +#define SECCOMP_PARM2(_ctx) SECCOMP_REG(_ctx) SECCOMP_REG(_ctx, 4) +#define SECCOMP_PARM3(_ctx) SECCOMP_REG(_ctx) SECCOMP_REG(_ctx, 5) +#define SECCOMP_PARM4(_ctx) SECCOMP_REG(_ctx) SECCOMP_REG(_ctx, 6) +#define SECCOMP_PARM5(_ctx) SECCOMP_REG(_ctx) SECCOMP_REG(_ctx, 7) +#define SECCOMP_PARM6(_ctx) SECCOMP_REG(_ctx) SECCOMP_REG(_ctx, 8) +#define SECCOMP_PARM7(_ctx) SECCOMP_REG(_ctx) SECCOMP_REG(_ctx, 9) + +#define SECCOMP_NR_IDX (offsetof(struct arch_seccomp_data, nr)) +#define SECCOMP_ARCH_IDX (offsetof(struct arch_seccomp_data, arch)) +#define SECCOMP_IP_MSB_IDX \ + (offsetof(struct arch_seccomp_data, instruction_pointer) + 4) +#define SECCOMP_IP_LSB_IDX \ + (offsetof(struct arch_seccomp_data, instruction_pointer) + 0) +#define SECCOMP_ARG_MSB_IDX(nr) \ + (offsetof(struct arch_seccomp_data, args) + 8 * (nr) + 4) +#define SECCOMP_ARG_LSB_IDX(nr) \ + (offsetof(struct arch_seccomp_data, args) + 8 * (nr) + 0) + +#define SECCOMP_PT_RESULT(_regs) (_regs).gpr[3] +#define SECCOMP_PT_SYSCALL(_regs) (_regs).gpr[0] +#define SECCOMP_PT_IP(_regs) (_regs).nip +#define SECCOMP_PT_PARM1(_regs) (_regs).gpr[3] +#define SECCOMP_PT_PARM2(_regs) (_regs).gpr[4] +#define SECCOMP_PT_PARM3(_regs) (_regs).gpr[5] +#define SECCOMP_PT_PARM4(_regs) (_regs).gpr[6] +#define SECCOMP_PT_PARM5(_regs) (_regs).gpr[7] +#define SECCOMP_PT_PARM6(_regs) (_regs).gpr[8] +#define SECCOMP_PT_PARM7(_regs) (_regs).gpr[9] + #else #error Unsupported target platform -- 2.17.1