diff options
Diffstat (limited to 'arch/um/os-Linux/registers.c')
| -rw-r--r-- | arch/um/os-Linux/registers.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/arch/um/os-Linux/registers.c b/arch/um/os-Linux/registers.c index c78fae3aba8..830fe6a1518 100644 --- a/arch/um/os-Linux/registers.c +++ b/arch/um/os-Linux/registers.c @@ -8,42 +8,41 @@ #include <string.h> #include <sys/ptrace.h> #include "sysdep/ptrace.h" -#include "user.h" -void save_registers(int pid, struct uml_pt_regs *regs) +int save_registers(int pid, struct uml_pt_regs *regs) { int err; err = ptrace(PTRACE_GETREGS, pid, 0, regs->gp); if (err < 0) - panic("save_registers - saving registers failed, errno = %d\n", - errno); + return -errno; + return 0; } -void restore_registers(int pid, struct uml_pt_regs *regs) +int restore_registers(int pid, struct uml_pt_regs *regs) { int err; err = ptrace(PTRACE_SETREGS, pid, 0, regs->gp); if (err < 0) - panic("restore_registers - saving registers failed, " - "errno = %d\n", errno); + return -errno; + return 0; } /* This is set once at boot time and not changed thereafter */ static unsigned long exec_regs[MAX_REG_NR]; -void init_registers(int pid) +int init_registers(int pid) { int err; err = ptrace(PTRACE_GETREGS, pid, 0, exec_regs); - if (err) - panic("check_ptrace : PTRACE_GETREGS failed, errno = %d", - errno); + if (err < 0) + return -errno; arch_init_registers(pid); + return 0; } void get_safe_registers(unsigned long *regs) |