syscall: set -ENOSYS to syscall_return before calling ptrace_syscall_enter

refs #943
2017-09-26 14:25:49 +09:00
parent a2fbe99b60
commit df3f388e09
3 changed files with 27 additions and 3 deletions
--- a/arch/x86/kernel/include/ihk/context.h
+++ b/arch/x86/kernel/include/ihk/context.h
@@ -49,6 +49,7 @@ typedef struct x86_user_context ihk_mc_user_context_t;
 #define ihk_mc_syscall_arg5(uc) (uc)->gpr.r9

 #define ihk_mc_syscall_ret(uc)  (uc)->gpr.rax
+#define ihk_mc_syscall_number(uc)  (uc)->gpr.orig_rax

 #define ihk_mc_syscall_pc(uc)   (uc)->gpr.rip
 #define ihk_mc_syscall_sp(uc)   (uc)->gpr.rsp