diff options
Diffstat (limited to 'arch/blackfin/kernel/ptrace.c')
| -rw-r--r-- | arch/blackfin/kernel/ptrace.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/blackfin/kernel/ptrace.c b/arch/blackfin/kernel/ptrace.c index 140bf00e9974..d2d388536630 100644 --- a/arch/blackfin/kernel/ptrace.c +++ b/arch/blackfin/kernel/ptrace.c @@ -45,6 +45,7 @@ #include <asm/asm-offsets.h> #include <asm/dma.h> #include <asm/fixed_code.h> +#include <asm/mem_map.h> #define TEXT_OFFSET 0 /* @@ -80,10 +81,12 @@ static inline struct pt_regs *get_user_regs(struct task_struct *task) /* * Get all user integer registers. */ -static inline int ptrace_getregs(struct task_struct *tsk, void __user * uregs) +static inline int ptrace_getregs(struct task_struct *tsk, void __user *uregs) { - struct pt_regs *regs = get_user_regs(tsk); - return copy_to_user(uregs, regs, sizeof(struct pt_regs)) ? -EFAULT : 0; + struct pt_regs regs; + memcpy(®s, get_user_regs(tsk), sizeof(regs)); + regs.usp = tsk->thread.usp; + return copy_to_user(uregs, ®s, sizeof(struct pt_regs)) ? -EFAULT : 0; } /* Mapping from PT_xxx to the stack offset at which the register is @@ -220,8 +223,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; pr_debug("ptrace: user address is valid\n"); - if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START - && addr + sizeof(tmp) <= L1_CODE_START + L1_CODE_LENGTH) { + if (L1_CODE_LENGTH != 0 && addr >= get_l1_code_start() + && addr + sizeof(tmp) <= get_l1_code_start() + L1_CODE_LENGTH) { safe_dma_memcpy (&tmp, (const void *)(addr), sizeof(tmp)); copied = sizeof(tmp); @@ -300,8 +303,8 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data) break; pr_debug("ptrace: user address is valid\n"); - if (L1_CODE_LENGTH != 0 && addr >= L1_CODE_START - && addr + sizeof(data) <= L1_CODE_START + L1_CODE_LENGTH) { + if (L1_CODE_LENGTH != 0 && addr >= get_l1_code_start() + && addr + sizeof(data) <= get_l1_code_start() + L1_CODE_LENGTH) { safe_dma_memcpy ((void *)(addr), &data, sizeof(data)); copied = sizeof(data); |