um: Remove unused register save/restore functions

These functions were only used when calling PTRACE_ARCH_PRCTL, but this
code has been removed.

Signed-off-by: Benjamin Berg <benjamin@sipsolutions.net>
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h
index 2f9c3ce5b45e8cfcc1eb4f67e14f5fbbd7615fe3..a0450326521cd55e0ec81678dbca1ba435d119ee 100644 (file)
--- a/arch/um/include/shared/registers.h
+++ b/arch/um/include/shared/registers.h
@@ -14,8 +14,6 @@ extern int save_fp_registers(int pid, unsigned long *fp_regs);
 extern int restore_fp_registers(int pid, unsigned long *fp_regs);
 extern int save_fpx_registers(int pid, unsigned long *fp_regs);
 extern int restore_fpx_registers(int pid, unsigned long *fp_regs);
-extern int save_registers(int pid, struct uml_pt_regs *regs);
-extern int restore_pid_registers(int pid, struct uml_pt_regs *regs);
 extern int init_pid_registers(int pid);
 extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs);
 extern int get_fp_registers(int pid, unsigned long *regs);

diff --git a/arch/um/os-Linux/registers.c b/arch/um/os-Linux/registers.c
index b123955be7accf01958684dbbd2fea0ef8130202..bd80b921add06ce5c5c244a5cd29cc1e52ac1b74 100644 (file)
--- a/arch/um/os-Linux/registers.c
+++ b/arch/um/os-Linux/registers.c
@@ -11,26 +11,6 @@
 #include <sysdep/ptrace_user.h>
 #include <registers.h>
 
-int save_registers(int pid, struct uml_pt_regs *regs)
-{
-       int err;
-
-       err = ptrace(PTRACE_GETREGS, pid, 0, regs->gp);
-       if (err < 0)
-               return -errno;
-       return 0;
-}
-
-int restore_pid_registers(int pid, struct uml_pt_regs *regs)
-{
-       int err;
-
-       err = ptrace(PTRACE_SETREGS, pid, 0, regs->gp);
-       if (err < 0)
-               return -errno;
-       return 0;
-}
-
 /* This is set once at boot time and not changed thereafter */
 
 static unsigned long exec_regs[MAX_REG_NR];