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[PATCH] sparc64: task_pt_regs()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2006-01-12 01:05:43 -08:00 committed by Linus Torvalds
parent ee3eea165e
commit 26ecbdea4b
3 changed files with 10 additions and 9 deletions
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12
arch/sparc64/kernel/ptrace.c
View file

@ -296,7 +296,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
case PTRACE_GETREGS: {
struct pt_regs32 __user *pregs =
(struct pt_regs32 __user *) addr;
struct pt_regs *cregs = child->thread_info->kregs;
struct pt_regs *cregs = task_pt_regs(child);
int rval;
if (__put_user(tstate_to_psr(cregs->tstate), (&pregs->psr)) ||
@ -320,7 +320,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
case PTRACE_GETREGS64: {
struct pt_regs __user *pregs = (struct pt_regs __user *) addr;
struct pt_regs *cregs = child->thread_info->kregs;
struct pt_regs *cregs = task_pt_regs(child);
unsigned long tpc = cregs->tpc;
int rval;
@ -348,7 +348,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
case PTRACE_SETREGS: {
struct pt_regs32 __user *pregs =
(struct pt_regs32 __user *) addr;
struct pt_regs *cregs = child->thread_info->kregs;
struct pt_regs *cregs = task_pt_regs(child);
unsigned int psr, pc, npc, y;
int i;
@ -381,7 +381,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
case PTRACE_SETREGS64: {
struct pt_regs __user *pregs = (struct pt_regs __user *) addr;
struct pt_regs *cregs = child->thread_info->kregs;
struct pt_regs *cregs = task_pt_regs(child);
unsigned long tstate, tpc, tnpc, y;
int i;
@ -562,8 +562,8 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
#ifdef DEBUG_PTRACE
printk("CONT: %s [%d]: set exit_code = %x %lx %lx\n", child->comm,
child->pid, child->exit_code,
child->thread_info->kregs->tpc,
child->thread_info->kregs->tnpc);
task_pt_regs(child)->tpc,
task_pt_regs(child)->tnpc);
#endif
wake_up_process(child);

2
include/asm-sparc64/elf.h
View file

@ -119,7 +119,7 @@ typedef struct {
#endif
#define ELF_CORE_COPY_TASK_REGS(__tsk, __elf_regs) \
({ ELF_CORE_COPY_REGS((*(__elf_regs)), (__tsk)->thread_info->kregs); 1; })
({ ELF_CORE_COPY_REGS((*(__elf_regs)), task_pt_regs(__tsk)); 1; })
/*
* This is used to ensure we don't load something for the wrong architecture.

5
include/asm-sparc64/processor.h
View file

@ -186,8 +186,9 @@ extern pid_t kernel_thread(int (*fn)(void *), void * arg, unsigned long flags);
extern unsigned long get_wchan(struct task_struct *task);
#define KSTK_EIP(tsk) ((tsk)->thread_info->kregs->tpc)
#define KSTK_ESP(tsk) ((tsk)->thread_info->kregs->u_regs[UREG_FP])
#define task_pt_regs(tsk) (task_thread_info(tsk)->kregs)
#define KSTK_EIP(tsk) (task_pt_regs(tsk)->tpc)
#define KSTK_ESP(tsk) (task_pt_regs(tsk)->u_regs[UREG_FP])
#define cpu_relax() barrier()