On 11/24/21 3:46 AM, gaosong wrote:
Hi Richard,
On 2021/11/20 下午6:33, Richard Henderson wrote:
On 11/19/21 7:13 AM, Song Gao wrote:
+
+struct target_sigcontext {
+ uint64_t sc_pc;
+ uint64_t sc_gpr[32];
+ uint64_t sc_fpr[32];
+ uint64_t sc_fcc;
+ uint32_t sc_fcsr;
+ uint32_t sc_flags;
+};
Does not match
https://github.com/loongson/linux/blob/loongarch-next/arch/loongarch/include/uapi/asm/sigcontext.h
#define FPU_REG_WIDTH 256
union fpureg {
uint32_t val32[FPU_REG_WIDTH / 32];
uint64_t val64[FPU_REG_WIDTH / 64];
};
struct target_sigcontext {
uint64_t sc_pc;
uint64_t sc_regs[32];
uint32_t sc_flags;
uint32_t sc_fcsr;
uint32_t sc_vcsr;
uint64_t sc_fcc;
uint64_t scr[4];
union fpureg sc_fpregs[32] __attribute__((aligned(32)));
uint32_t sc_reserved;
};
Is this OK?
No, sc_reserved does not match.
+
+struct target_ucontext {
+ target_ulong tuc_flags;
+ target_ulong tuc_link;
+ target_stack_t tuc_stack;
+ target_ulong pad0;
+ struct target_sigcontext tuc_mcontext;
+ target_sigset_t tuc_sigmask;
+};
Does not match
https://github.com/loongson/linux/blob/loongarch-next/arch/loongarch/include/uapi/asm/ucontext.h
struct target_ucontext {
target_ulong tuc_flags;
target_ulong tuc_link;
target_stack_t tuc_stack;
target_sigset_t tuc_sigmask;
target_ulong pad0;
struct target_sigcontext tuc_mcontext;
};
Is this OK?
No, pad0 does not match __unused.
r~
