diff options
Diffstat (limited to 'arch/mips/kernel/ptrace.c')
| -rw-r--r-- | arch/mips/kernel/ptrace.c | 39 |
1 files changed, 17 insertions, 22 deletions
diff --git a/arch/mips/kernel/ptrace.c b/arch/mips/kernel/ptrace.c index a17a7023d7c9..7d97709e715f 100644 --- a/arch/mips/kernel/ptrace.c +++ b/arch/mips/kernel/ptrace.c @@ -120,9 +120,10 @@ int ptrace_getfpregs(struct task_struct *child, __u32 __user *data) return -EIO; if (tsk_used_math(child)) { - fpureg_t *fregs = get_fpu_regs(child); + union fpureg *fregs = get_fpu_regs(child); for (i = 0; i < 32; i++) - __put_user(fregs[i], i + (__u64 __user *) data); + __put_user(get_fpr64(&fregs[i], 0), + i + (__u64 __user *)data); } else { for (i = 0; i < 32; i++) __put_user((__u64) -1, i + (__u64 __user *) data); @@ -158,7 +159,8 @@ int ptrace_getfpregs(struct task_struct *child, __u32 __user *data) int ptrace_setfpregs(struct task_struct *child, __u32 __user *data) { - fpureg_t *fregs; + union fpureg *fregs; + u64 fpr_val; int i; if (!access_ok(VERIFY_READ, data, 33 * 8)) @@ -166,8 +168,10 @@ int ptrace_setfpregs(struct task_struct *child, __u32 __user *data) fregs = get_fpu_regs(child); - for (i = 0; i < 32; i++) - __get_user(fregs[i], i + (__u64 __user *) data); + for (i = 0; i < 32; i++) { + __get_user(fpr_val, i + (__u64 __user *)data); + set_fpr64(&fregs[i], 0, fpr_val); + } __get_user(child->thread.fpu.fcr31, data + 64); @@ -408,7 +412,7 @@ long arch_ptrace(struct task_struct *child, long request, /* Read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: { struct pt_regs *regs; - fpureg_t *fregs; + union fpureg *fregs; unsigned long tmp = 0; regs = task_pt_regs(child); @@ -433,14 +437,12 @@ long arch_ptrace(struct task_struct *child, long request, * order bits of the values stored in the even * registers - unless we're using r2k_switch.S. */ - if (addr & 1) - tmp = fregs[(addr & ~1) - 32] >> 32; - else - tmp = fregs[addr - 32]; + tmp = get_fpr32(&fregs[(addr & ~1) - FPR_BASE], + addr & 1); break; } #endif - tmp = fregs[addr - FPR_BASE]; + tmp = get_fpr32(&fregs[addr - FPR_BASE], 0); break; case PC: tmp = regs->cp0_epc; @@ -548,7 +550,7 @@ long arch_ptrace(struct task_struct *child, long request, regs->regs[addr] = data; break; case FPR_BASE ... FPR_BASE + 31: { - fpureg_t *fregs = get_fpu_regs(child); + union fpureg *fregs = get_fpu_regs(child); if (!tsk_used_math(child)) { /* FP not yet used */ @@ -563,19 +565,12 @@ long arch_ptrace(struct task_struct *child, long request, * order bits of the values stored in the even * registers - unless we're using r2k_switch.S. */ - if (addr & 1) { - fregs[(addr & ~1) - FPR_BASE] &= - 0xffffffff; - fregs[(addr & ~1) - FPR_BASE] |= - ((u64)data) << 32; - } else { - fregs[addr - FPR_BASE] &= ~0xffffffffLL; - fregs[addr - FPR_BASE] |= data; - } + set_fpr32(&fregs[(addr & ~1) - FPR_BASE], + addr & 1, data); break; } #endif - fregs[addr - FPR_BASE] = data; + set_fpr64(&fregs[addr - FPR_BASE], 0, data); break; } case PC: |