From ba180fd437156f7fd8cfb2fdd021d949eeef08d6 Mon Sep 17 00:00:00 2001 From: Jeff Dike Date: Tue, 16 Oct 2007 01:27:00 -0700 Subject: uml: style fixes pass 3 Formatting changes in the files which have been changed in the course of folding foo_skas functions into their callers. These include: copyright updates header file trimming style fixes adding severity to printks These changes should be entirely non-functional. Signed-off-by: Jeff Dike Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/kernel/ptrace.c | 114 ++++++++++++++++++++++++------------------------ 1 file changed, 56 insertions(+), 58 deletions(-) (limited to 'arch/um/kernel/ptrace.c') diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index bbc3a4a9a0f..db55a017e9b 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -1,35 +1,27 @@ -/* - * Copyright (C) 2000 Jeff Dike (jdike@karaya.com) +/* + * Copyright (C) 2000 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com) * Licensed under the GPL */ -#include "linux/sched.h" -#include "linux/mm.h" -#include "linux/errno.h" -#include "linux/smp_lock.h" -#include "linux/security.h" -#include "linux/ptrace.h" #include "linux/audit.h" +#include "linux/ptrace.h" +#include "linux/sched.h" +#include "asm/uaccess.h" #ifdef CONFIG_PROC_MM -#include "linux/proc_mm.h" +#include "proc_mm.h" #endif -#include "asm/ptrace.h" -#include "asm/uaccess.h" -#include "kern_util.h" #include "skas_ptrace.h" -#include "sysdep/ptrace.h" -#include "os.h" static inline void set_singlestepping(struct task_struct *child, int on) { - if (on) - child->ptrace |= PT_DTRACE; - else - child->ptrace &= ~PT_DTRACE; - child->thread.singlestep_syscall = 0; + if (on) + child->ptrace |= PT_DTRACE; + else + child->ptrace &= ~PT_DTRACE; + child->thread.singlestep_syscall = 0; #ifdef SUBARCH_SET_SINGLESTEPPING - SUBARCH_SET_SINGLESTEPPING(child, on); + SUBARCH_SET_SINGLESTEPPING(child, on); #endif } @@ -37,8 +29,8 @@ static inline void set_singlestepping(struct task_struct *child, int on) * Called by kernel/ptrace.c when detaching.. */ void ptrace_disable(struct task_struct *child) -{ - set_singlestepping(child,0); +{ + set_singlestepping(child,0); } extern int peek_user(struct task_struct * child, long addr, long data); @@ -50,40 +42,40 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) unsigned long __user *p = (void __user *)(unsigned long)data; switch (request) { - /* when I and D space are separate, these will need to be fixed. */ - case PTRACE_PEEKTEXT: /* read word at location addr. */ + /* read word at location addr. */ + case PTRACE_PEEKTEXT: case PTRACE_PEEKDATA: ret = generic_ptrace_peekdata(child, addr, data); break; /* read the word at location addr in the USER area. */ - case PTRACE_PEEKUSR: - ret = peek_user(child, addr, data); - break; + case PTRACE_PEEKUSR: + ret = peek_user(child, addr, data); + break; - /* when I and D space are separate, this will have to be fixed. */ - case PTRACE_POKETEXT: /* write the word at location addr. */ + /* write the word at location addr. */ + case PTRACE_POKETEXT: case PTRACE_POKEDATA: ret = generic_ptrace_pokedata(child, addr, data); break; - case PTRACE_POKEUSR: /* write the word at location addr in the USER area */ - ret = poke_user(child, addr, data); - break; + /* write the word at location addr in the USER area */ + case PTRACE_POKEUSR: + ret = poke_user(child, addr, data); + break; - case PTRACE_SYSCALL: /* continue and stop at next (return from) syscall */ - case PTRACE_CONT: { /* restart after signal. */ + /* continue and stop at next (return from) syscall */ + case PTRACE_SYSCALL: + /* restart after signal. */ + case PTRACE_CONT: { ret = -EIO; if (!valid_signal(data)) break; - set_singlestepping(child, 0); - if (request == PTRACE_SYSCALL) { + set_singlestepping(child, 0); + if (request == PTRACE_SYSCALL) set_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - } - else { - clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - } + else clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); child->exit_code = data; wake_up_process(child); ret = 0; @@ -91,8 +83,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } /* - * make the child exit. Best I can do is send it a sigkill. - * perhaps it should be put in the status that it wants to + * make the child exit. Best I can do is send it a sigkill. + * perhaps it should be put in the status that it wants to * exit. */ case PTRACE_KILL: { @@ -100,7 +92,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) if (child->exit_state == EXIT_ZOMBIE) /* already dead */ break; - set_singlestepping(child, 0); + set_singlestepping(child, 0); child->exit_code = SIGKILL; wake_up_process(child); break; @@ -111,7 +103,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) if (!valid_signal(data)) break; clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE); - set_singlestepping(child, 1); + set_singlestepping(child, 1); child->exit_code = data; /* give it a chance to run. */ wake_up_process(child); @@ -180,13 +172,14 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; case PTRACE_FAULTINFO: { - /* Take the info from thread->arch->faultinfo, + /* + * Take the info from thread->arch->faultinfo, * but transfer max. sizeof(struct ptrace_faultinfo). * On i386, ptrace_faultinfo is smaller! */ ret = copy_to_user(p, &child->thread.arch.faultinfo, sizeof(struct ptrace_faultinfo)); - if(ret) + if (ret) break; break; } @@ -195,12 +188,13 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) case PTRACE_LDT: { struct ptrace_ldt ldt; - if(copy_from_user(&ldt, p, sizeof(ldt))){ + if (copy_from_user(&ldt, p, sizeof(ldt))) { ret = -EIO; break; } - /* This one is confusing, so just punt and return -EIO for + /* + * This one is confusing, so just punt and return -EIO for * now */ ret = -EIO; @@ -212,7 +206,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) struct mm_struct *old = child->mm; struct mm_struct *new = proc_mm_get_mm(data); - if(IS_ERR(new)){ + if (IS_ERR(new)) { ret = PTR_ERR(new); break; } @@ -226,10 +220,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) } #endif #ifdef PTRACE_ARCH_PRCTL - case PTRACE_ARCH_PRCTL: - /* XXX Calls ptrace on the host - needs some SMP thinking */ - ret = arch_prctl(child, data, (void *) addr); - break; + case PTRACE_ARCH_PRCTL: + /* XXX Calls ptrace on the host - needs some SMP thinking */ + ret = arch_prctl(child, data, (void *) addr); + break; #endif default: ret = ptrace_request(child, request, addr, data); @@ -255,7 +249,8 @@ void send_sigtrap(struct task_struct *tsk, struct uml_pt_regs *regs, force_sig_info(SIGTRAP, &info, tsk); } -/* XXX Check PT_DTRACE vs TIF_SINGLESTEP for singlestepping check and +/* + * XXX Check PT_DTRACE vs TIF_SINGLESTEP for singlestepping check and * PT_PTRACED vs TIF_SYSCALL_TRACE for syscall tracing check */ void syscall_trace(struct uml_pt_regs *regs, int entryexit) @@ -272,7 +267,7 @@ void syscall_trace(struct uml_pt_regs *regs, int entryexit) UPT_SYSCALL_ARG3(regs), UPT_SYSCALL_ARG4(regs)); else audit_syscall_exit(AUDITSC_RESULT(UPT_SYSCALL_RET(regs)), - UPT_SYSCALL_RET(regs)); + UPT_SYSCALL_RET(regs)); } /* Fake a debug trap */ @@ -285,15 +280,18 @@ void syscall_trace(struct uml_pt_regs *regs, int entryexit) if (!(current->ptrace & PT_PTRACED)) return; - /* the 0x80 provides a way for the tracing parent to distinguish - between a syscall stop and SIGTRAP delivery */ + /* + * the 0x80 provides a way for the tracing parent to distinguish + * between a syscall stop and SIGTRAP delivery + */ tracesysgood = (current->ptrace & PT_TRACESYSGOOD); ptrace_notify(SIGTRAP | (tracesysgood ? 0x80 : 0)); if (entryexit) /* force do_signal() --> is_syscall() */ set_thread_flag(TIF_SIGPENDING); - /* this isn't the same as continuing with a signal, but it will do + /* + * this isn't the same as continuing with a signal, but it will do * for normal use. strace only continues with a signal if the * stopping signal is not SIGTRAP. -brl */ -- cgit v1.2.3-18-g5258