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authorJiri Kosina <jkosina@suse.cz>2011-04-26 04:22:15 -0400
committerJiri Kosina <jkosina@suse.cz>2011-04-26 04:22:59 -0400
commit07f9479a40cc778bc1462ada11f95b01360ae4ff (patch)
tree0676cf38df3844004bb3ebfd99dfa67a4a8998f5 /arch/powerpc/kernel/ptrace.c
parent9d5e6bdb3013acfb311ab407eeca0b6a6a3dedbf (diff)
parentcd2e49e90f1cae7726c9a2c54488d881d7f1cd1c (diff)
Merge branch 'master' into for-next
Fast-forwarded to current state of Linus' tree as there are patches to be applied for files that didn't exist on the old branch.
Diffstat (limited to 'arch/powerpc/kernel/ptrace.c')
-rw-r--r--arch/powerpc/kernel/ptrace.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/ptrace.c b/arch/powerpc/kernel/ptrace.c
index 906536998291..55613e33e263 100644
--- a/arch/powerpc/kernel/ptrace.c
+++ b/arch/powerpc/kernel/ptrace.c
@@ -229,12 +229,16 @@ static int gpr_get(struct task_struct *target, const struct user_regset *regset,
229 unsigned int pos, unsigned int count, 229 unsigned int pos, unsigned int count,
230 void *kbuf, void __user *ubuf) 230 void *kbuf, void __user *ubuf)
231{ 231{
232 int ret; 232 int i, ret;
233 233
234 if (target->thread.regs == NULL) 234 if (target->thread.regs == NULL)
235 return -EIO; 235 return -EIO;
236 236
237 CHECK_FULL_REGS(target->thread.regs); 237 if (!FULL_REGS(target->thread.regs)) {
238 /* We have a partial register set. Fill 14-31 with bogus values */
239 for (i = 14; i < 32; i++)
240 target->thread.regs->gpr[i] = NV_REG_POISON;
241 }
238 242
239 ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf, 243 ret = user_regset_copyout(&pos, &count, &kbuf, &ubuf,
240 target->thread.regs, 244 target->thread.regs,
@@ -459,7 +463,7 @@ static int vr_set(struct task_struct *target, const struct user_regset *regset,
459#ifdef CONFIG_VSX 463#ifdef CONFIG_VSX
460/* 464/*
461 * Currently to set and and get all the vsx state, you need to call 465 * Currently to set and and get all the vsx state, you need to call
462 * the fp and VMX calls aswell. This only get/sets the lower 32 466 * the fp and VMX calls as well. This only get/sets the lower 32
463 * 128bit VSX registers. 467 * 128bit VSX registers.
464 */ 468 */
465 469
@@ -641,11 +645,16 @@ static int gpr32_get(struct task_struct *target,
641 compat_ulong_t *k = kbuf; 645 compat_ulong_t *k = kbuf;
642 compat_ulong_t __user *u = ubuf; 646 compat_ulong_t __user *u = ubuf;
643 compat_ulong_t reg; 647 compat_ulong_t reg;
648 int i;
644 649
645 if (target->thread.regs == NULL) 650 if (target->thread.regs == NULL)
646 return -EIO; 651 return -EIO;
647 652
648 CHECK_FULL_REGS(target->thread.regs); 653 if (!FULL_REGS(target->thread.regs)) {
654 /* We have a partial register set. Fill 14-31 with bogus values */
655 for (i = 14; i < 32; i++)
656 target->thread.regs->gpr[i] = NV_REG_POISON;
657 }
649 658
650 pos /= sizeof(reg); 659 pos /= sizeof(reg);
651 count /= sizeof(reg); 660 count /= sizeof(reg);