diff options
Diffstat (limited to 'arch/um/sys-i386')
| -rw-r--r-- | arch/um/sys-i386/fault.c | 18 | ||||
| -rw-r--r-- | arch/um/sys-i386/signal.c | 41 |
2 files changed, 17 insertions, 42 deletions
diff --git a/arch/um/sys-i386/fault.c b/arch/um/sys-i386/fault.c index d0bbcdfdb53f..745b4fd49e9f 100644 --- a/arch/um/sys-i386/fault.c +++ b/arch/um/sys-i386/fault.c @@ -3,9 +3,7 @@ * Licensed under the GPL */ -#include <signal.h> #include "sysdep/ptrace.h" -#include "sysdep/sigcontext.h" /* These two are from asm-um/uaccess.h and linux/module.h, check them. */ struct exception_table_entry @@ -17,26 +15,14 @@ struct exception_table_entry const struct exception_table_entry *search_exception_tables(unsigned long add); /* Compare this to arch/i386/mm/extable.c:fixup_exception() */ -int arch_fixup(unsigned long address, void *sc_ptr) +int arch_fixup(unsigned long address, union uml_pt_regs *regs) { - struct sigcontext *sc = sc_ptr; const struct exception_table_entry *fixup; fixup = search_exception_tables(address); if(fixup != 0){ - sc->eip = fixup->fixup; + UPT_IP(regs) = fixup->fixup; return(1); } return(0); } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ diff --git a/arch/um/sys-i386/signal.c b/arch/um/sys-i386/signal.c index 3f6acd667717..42ecf8e8ad08 100644 --- a/arch/um/sys-i386/signal.c +++ b/arch/um/sys-i386/signal.c @@ -28,7 +28,7 @@ static int copy_sc_from_user_skas(struct pt_regs *regs, err = copy_from_user(&sc, from, sizeof(sc)); err |= copy_from_user(fpregs, sc.fpstate, sizeof(fpregs)); if(err) - return(err); + return err; REGS_GS(regs->regs.skas.regs) = sc.gs; REGS_FS(regs->regs.skas.regs) = sc.fs; @@ -50,11 +50,11 @@ static int copy_sc_from_user_skas(struct pt_regs *regs, err = restore_fp_registers(userspace_pid[0], fpregs); if(err < 0){ printk("copy_sc_from_user_skas - PTRACE_SETFPREGS failed, " - "errno = %d\n", err); - return(1); + "errno = %d\n", -err); + return err; } - return(0); + return 0; } int copy_sc_to_user_skas(struct sigcontext __user *to, struct _fpstate __user *to_fp, @@ -90,16 +90,16 @@ int copy_sc_to_user_skas(struct sigcontext __user *to, struct _fpstate __user *t if(err < 0){ printk("copy_sc_to_user_skas - PTRACE_GETFPREGS failed, " "errno = %d\n", err); - return(1); + return 1; } to_fp = (to_fp ? to_fp : (struct _fpstate __user *) (to + 1)); sc.fpstate = to_fp; if(err) - return(err); + return err; - return(copy_to_user(to, &sc, sizeof(sc)) || - copy_to_user(to_fp, fpregs, sizeof(fpregs))); + return copy_to_user(to, &sc, sizeof(sc)) || + copy_to_user(to_fp, fpregs, sizeof(fpregs)); } #endif @@ -129,7 +129,7 @@ int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext __user *from, to->fpstate = to_fp; if(to_fp != NULL) err |= copy_from_user(to_fp, from_fp, fpsize); - return(err); + return err; } int copy_sc_to_user_tt(struct sigcontext __user *to, struct _fpstate __user *fp, @@ -164,15 +164,15 @@ static int copy_sc_from_user(struct pt_regs *to, void __user *from) ret = CHOOSE_MODE(copy_sc_from_user_tt(UPT_SC(&to->regs), from, sizeof(struct _fpstate)), copy_sc_from_user_skas(to, from)); - return(ret); + return ret; } static int copy_sc_to_user(struct sigcontext __user *to, struct _fpstate __user *fp, struct pt_regs *from, unsigned long sp) { - return(CHOOSE_MODE(copy_sc_to_user_tt(to, fp, UPT_SC(&from->regs), + return CHOOSE_MODE(copy_sc_to_user_tt(to, fp, UPT_SC(&from->regs), sizeof(*fp), sp), - copy_sc_to_user_skas(to, fp, from, sp))); + copy_sc_to_user_skas(to, fp, from, sp)); } static int copy_ucontext_to_user(struct ucontext __user *uc, struct _fpstate __user *fp, @@ -185,7 +185,7 @@ static int copy_ucontext_to_user(struct ucontext __user *uc, struct _fpstate __u err |= put_user(current->sas_ss_size, &uc->uc_stack.ss_size); err |= copy_sc_to_user(&uc->uc_mcontext, fp, ¤t->thread.regs, sp); err |= copy_to_user(&uc->uc_sigmask, set, sizeof(*set)); - return(err); + return err; } struct sigframe @@ -359,7 +359,7 @@ long sys_sigreturn(struct pt_regs regs) /* Avoid ERESTART handling */ PT_REGS_SYSCALL_NR(¤t->thread.regs) = -1; - return(PT_REGS_SYSCALL_RET(¤t->thread.regs)); + return PT_REGS_SYSCALL_RET(¤t->thread.regs); segfault: force_sig(SIGSEGV, current); @@ -389,20 +389,9 @@ long sys_rt_sigreturn(struct pt_regs regs) /* Avoid ERESTART handling */ PT_REGS_SYSCALL_NR(¤t->thread.regs) = -1; - return(PT_REGS_SYSCALL_RET(¤t->thread.regs)); + return PT_REGS_SYSCALL_RET(¤t->thread.regs); segfault: force_sig(SIGSEGV, current); return 0; } - -/* - * Overrides for Emacs so that we follow Linus's tabbing style. - * Emacs will notice this stuff at the end of the file and automatically - * adjust the settings for this buffer only. This must remain at the end - * of the file. - * --------------------------------------------------------------------------- - * Local variables: - * c-file-style: "linux" - * End: - */ |