On 6/8/22 19:42, Song Gao wrote:
+struct target_sigcontext {
+ uint64_t sc_pc;
+ uint64_t sc_regs[32];
+ uint32_t sc_flags;
+ uint64_t sc_extcontext[0] __attribute__((aligned(16)));
+};
+
+struct target_fpu_context {
+ uint64_t fc_regs[32];
+ uint64_t fc_fcc;
+ uint32_t fc_fcsr;
+};
+
+struct target_ucontext {
+ target_ulong tuc_flags;
+ struct target_ucontext *tuc_link;
+ target_stack_t tuc_stack;
+ target_sigset_t tuc_sigmask;
+ uint8_t __unused[1024 / 8 - sizeof(target_sigset_t)];
+ struct target_sigcontext tuc_mcontext;
+};
+
+struct target_rt_sigframe {
+ struct target_siginfo rs_info;
+ struct target_ucontext rs_uc;
+ struct target_fpu_context rs_fc;
+};
This is missing sctx_info. In the kernel, see setup_extcontext and
parse_extcontext.
r~
