diff options
Diffstat (limited to 'arch/x86/kernel/traps_32.c')
-rw-r--r-- | arch/x86/kernel/traps_32.c | 114 |
1 files changed, 57 insertions, 57 deletions
diff --git a/arch/x86/kernel/traps_32.c b/arch/x86/kernel/traps_32.c index 9b0bbd508cd..931ef10960e 100644 --- a/arch/x86/kernel/traps_32.c +++ b/arch/x86/kernel/traps_32.c @@ -114,11 +114,11 @@ struct stack_frame { }; static inline unsigned long print_context_stack(struct thread_info *tinfo, - unsigned long *stack, unsigned long ebp, + unsigned long *stack, unsigned long bp, const struct stacktrace_ops *ops, void *data) { #ifdef CONFIG_FRAME_POINTER - struct stack_frame *frame = (struct stack_frame *)ebp; + struct stack_frame *frame = (struct stack_frame *)bp; while (valid_stack_ptr(tinfo, frame, sizeof(*frame))) { struct stack_frame *next; unsigned long addr; @@ -145,7 +145,7 @@ static inline unsigned long print_context_stack(struct thread_info *tinfo, ops->address(data, addr); } #endif - return ebp; + return bp; } #define MSG(msg) ops->warning(data, msg) @@ -154,7 +154,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, unsigned long *stack, const struct stacktrace_ops *ops, void *data) { - unsigned long ebp = 0; + unsigned long bp = 0; if (!task) task = current; @@ -167,13 +167,13 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, } #ifdef CONFIG_FRAME_POINTER - if (!ebp) { + if (!bp) { if (task == current) { - /* Grab ebp right from our regs */ - asm ("movl %%ebp, %0" : "=r" (ebp) : ); + /* Grab bp right from our regs */ + asm ("movl %%ebp, %0" : "=r" (bp) : ); } else { - /* ebp is the last reg pushed by switch_to */ - ebp = *(unsigned long *) task->thread.esp; + /* bp is the last reg pushed by switch_to */ + bp = *(unsigned long *) task->thread.esp; } } #endif @@ -182,7 +182,7 @@ void dump_trace(struct task_struct *task, struct pt_regs *regs, struct thread_info *context; context = (struct thread_info *) ((unsigned long)stack & (~(THREAD_SIZE - 1))); - ebp = print_context_stack(context, stack, ebp, ops, data); + bp = print_context_stack(context, stack, bp, ops, data); /* Should be after the line below, but somewhere in early boot context comes out corrupted and we can't reference it -AK */ @@ -246,19 +246,19 @@ void show_trace(struct task_struct *task, struct pt_regs *regs, } static void show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, - unsigned long *esp, char *log_lvl) + unsigned long *sp, char *log_lvl) { unsigned long *stack; int i; - if (esp == NULL) { + if (sp == NULL) { if (task) - esp = (unsigned long*)task->thread.esp; + sp = (unsigned long*)task->thread.esp; else - esp = (unsigned long *)&esp; + sp = (unsigned long *)&sp; } - stack = esp; + stack = sp; for(i = 0; i < kstack_depth_to_print; i++) { if (kstack_end(stack)) break; @@ -267,13 +267,13 @@ static void show_stack_log_lvl(struct task_struct *task, struct pt_regs *regs, printk("%08lx ", *stack++); } printk("\n%sCall Trace:\n", log_lvl); - show_trace_log_lvl(task, regs, esp, log_lvl); + show_trace_log_lvl(task, regs, sp, log_lvl); } -void show_stack(struct task_struct *task, unsigned long *esp) +void show_stack(struct task_struct *task, unsigned long *sp) { printk(" "); - show_stack_log_lvl(task, NULL, esp, ""); + show_stack_log_lvl(task, NULL, sp, ""); } /* @@ -307,30 +307,30 @@ void show_registers(struct pt_regs *regs) * time of the fault.. */ if (!user_mode_vm(regs)) { - u8 *eip; + u8 *ip; unsigned int code_prologue = code_bytes * 43 / 64; unsigned int code_len = code_bytes; unsigned char c; printk("\n" KERN_EMERG "Stack: "); - show_stack_log_lvl(NULL, regs, ®s->esp, KERN_EMERG); + show_stack_log_lvl(NULL, regs, ®s->sp, KERN_EMERG); printk(KERN_EMERG "Code: "); - eip = (u8 *)regs->eip - code_prologue; - if (eip < (u8 *)PAGE_OFFSET || - probe_kernel_address(eip, c)) { + ip = (u8 *)regs->ip - code_prologue; + if (ip < (u8 *)PAGE_OFFSET || + probe_kernel_address(ip, c)) { /* try starting at EIP */ - eip = (u8 *)regs->eip; + ip = (u8 *)regs->ip; code_len = code_len - code_prologue + 1; } - for (i = 0; i < code_len; i++, eip++) { - if (eip < (u8 *)PAGE_OFFSET || - probe_kernel_address(eip, c)) { + for (i = 0; i < code_len; i++, ip++) { + if (ip < (u8 *)PAGE_OFFSET || + probe_kernel_address(ip, c)) { printk(" Bad EIP value."); break; } - if (eip == (u8 *)regs->eip) + if (ip == (u8 *)regs->ip) printk("<%02x> ", c); else printk("%02x ", c); @@ -339,13 +339,13 @@ void show_registers(struct pt_regs *regs) printk("\n"); } -int is_valid_bugaddr(unsigned long eip) +int is_valid_bugaddr(unsigned long ip) { unsigned short ud2; - if (eip < PAGE_OFFSET) + if (ip < PAGE_OFFSET) return 0; - if (probe_kernel_address((unsigned short *)eip, ud2)) + if (probe_kernel_address((unsigned short *)ip, ud2)) return 0; return ud2 == 0x0b0f; @@ -382,10 +382,10 @@ void die(const char * str, struct pt_regs * regs, long err) raw_local_irq_save(flags); if (++die.lock_owner_depth < 3) { - unsigned long esp; + unsigned long sp; unsigned short ss; - report_bug(regs->eip, regs); + report_bug(regs->ip, regs); printk(KERN_EMERG "%s: %04lx [#%d] ", str, err & 0xffff, ++die_counter); @@ -405,15 +405,15 @@ void die(const char * str, struct pt_regs * regs, long err) NOTIFY_STOP) { show_registers(regs); /* Executive summary in case the oops scrolled away */ - esp = (unsigned long) (®s->esp); + sp = (unsigned long) (®s->sp); savesegment(ss, ss); if (user_mode(regs)) { - esp = regs->esp; - ss = regs->xss & 0xffff; + sp = regs->sp; + ss = regs->ss & 0xffff; } - printk(KERN_EMERG "EIP: [<%08lx>] ", regs->eip); - print_symbol("%s", regs->eip); - printk(" SS:ESP %04x:%08lx\n", ss, esp); + printk(KERN_EMERG "EIP: [<%08lx>] ", regs->ip); + print_symbol("%s", regs->ip); + printk(" SS:ESP %04x:%08lx\n", ss, sp); } else regs = NULL; @@ -454,7 +454,7 @@ static void __kprobes do_trap(int trapnr, int signr, char *str, int vm86, { struct task_struct *tsk = current; - if (regs->eflags & VM_MASK) { + if (regs->flags & VM_MASK) { if (vm86) goto vm86_trap; goto trap_signal; @@ -548,13 +548,13 @@ fastcall void do_##name(struct pt_regs * regs, long error_code) \ do_trap(trapnr, signr, str, 1, regs, error_code, &info); \ } -DO_VM86_ERROR_INFO( 0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->eip) +DO_VM86_ERROR_INFO( 0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip) #ifndef CONFIG_KPROBES DO_VM86_ERROR( 3, SIGTRAP, "int3", int3) #endif DO_VM86_ERROR( 4, SIGSEGV, "overflow", overflow) DO_VM86_ERROR( 5, SIGSEGV, "bounds", bounds) -DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->eip, 0) +DO_ERROR_INFO( 6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0) DO_ERROR( 9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun) DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS) DO_ERROR(11, SIGBUS, "segment not present", segment_not_present) @@ -596,7 +596,7 @@ fastcall void __kprobes do_general_protection(struct pt_regs * regs, } put_cpu(); - if (regs->eflags & VM_MASK) + if (regs->flags & VM_MASK) goto gp_in_vm86; if (!user_mode(regs)) @@ -607,9 +607,9 @@ fastcall void __kprobes do_general_protection(struct pt_regs * regs, if (show_unhandled_signals && unhandled_signal(current, SIGSEGV) && printk_ratelimit()) printk(KERN_INFO - "%s[%d] general protection eip:%lx esp:%lx error:%lx\n", + "%s[%d] general protection ip:%lx sp:%lx error:%lx\n", current->comm, task_pid_nr(current), - regs->eip, regs->esp, error_code); + regs->ip, regs->sp, error_code); force_sig(SIGSEGV, current); return; @@ -705,8 +705,8 @@ void __kprobes die_nmi(struct pt_regs *regs, const char *msg) */ bust_spinlocks(1); printk(KERN_EMERG "%s", msg); - printk(" on CPU%d, eip %08lx, registers:\n", - smp_processor_id(), regs->eip); + printk(" on CPU%d, ip %08lx, registers:\n", + smp_processor_id(), regs->ip); show_registers(regs); console_silent(); spin_unlock(&nmi_print_lock); @@ -847,7 +847,7 @@ fastcall void __kprobes do_debug(struct pt_regs * regs, long error_code) SIGTRAP) == NOTIFY_STOP) return; /* It's safe to allow irq's after DR6 has been saved */ - if (regs->eflags & X86_EFLAGS_IF) + if (regs->flags & X86_EFLAGS_IF) local_irq_enable(); /* Mask out spurious debug traps due to lazy DR7 setting */ @@ -856,7 +856,7 @@ fastcall void __kprobes do_debug(struct pt_regs * regs, long error_code) goto clear_dr7; } - if (regs->eflags & VM_MASK) + if (regs->flags & VM_MASK) goto debug_vm86; /* Save debug status register where ptrace can see it */ @@ -892,7 +892,7 @@ debug_vm86: clear_TF_reenable: set_tsk_thread_flag(tsk, TIF_SINGLESTEP); - regs->eflags &= ~TF_MASK; + regs->flags &= ~TF_MASK; return; } @@ -901,7 +901,7 @@ clear_TF_reenable: * the correct behaviour even in the presence of the asynchronous * IRQ13 behaviour */ -void math_error(void __user *eip) +void math_error(void __user *ip) { struct task_struct * task; siginfo_t info; @@ -917,7 +917,7 @@ void math_error(void __user *eip) info.si_signo = SIGFPE; info.si_errno = 0; info.si_code = __SI_FAULT; - info.si_addr = eip; + info.si_addr = ip; /* * (~cwd & swd) will mask out exceptions that are not set to unmasked * status. 0x3f is the exception bits in these regs, 0x200 is the @@ -963,10 +963,10 @@ void math_error(void __user *eip) fastcall void do_coprocessor_error(struct pt_regs * regs, long error_code) { ignore_fpu_irq = 1; - math_error((void __user *)regs->eip); + math_error((void __user *)regs->ip); } -static void simd_math_error(void __user *eip) +static void simd_math_error(void __user *ip) { struct task_struct * task; siginfo_t info; @@ -982,7 +982,7 @@ static void simd_math_error(void __user *eip) info.si_signo = SIGFPE; info.si_errno = 0; info.si_code = __SI_FAULT; - info.si_addr = eip; + info.si_addr = ip; /* * The SIMD FPU exceptions are handled a little differently, as there * is only a single status/control register. Thus, to determine which @@ -1020,13 +1020,13 @@ fastcall void do_simd_coprocessor_error(struct pt_regs * regs, if (cpu_has_xmm) { /* Handle SIMD FPU exceptions on PIII+ processors. */ ignore_fpu_irq = 1; - simd_math_error((void __user *)regs->eip); + simd_math_error((void __user *)regs->ip); } else { /* * Handle strange cache flush from user space exception * in all other cases. This is undocumented behaviour. */ - if (regs->eflags & VM_MASK) { + if (regs->flags & VM_MASK) { handle_vm86_fault((struct kernel_vm86_regs *)regs, error_code); return; |