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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6 

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  sparc: We need to implement arch_ptrace_stop().
This commit is contained in:
Linus Torvalds 2008-12-18 12:00:01 -08:00
parent 52af894cc3 878a553595
commit 3653b9a8db
2 changed files with 19 additions and 0 deletions
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10
arch/sparc/include/asm/ptrace_32.h
View File

@ -62,6 +62,8 @@ struct sparc_stackf {
#ifdef __KERNEL__
#include <asm/system.h>
static inline bool pt_regs_is_syscall(struct pt_regs *regs)
{
return (regs->psr & PSR_SYSCALL);
@ -72,6 +74,14 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
return (regs->psr &= ~PSR_SYSCALL);
}
#define arch_ptrace_stop_needed(exit_code, info) \
({ flush_user_windows(); \
current_thread_info()->w_saved != 0; \
})
#define arch_ptrace_stop(exit_code, info) \
synchronize_user_stack()
#define user_mode(regs) (!((regs)->psr & PSR_PS))
#define instruction_pointer(regs) ((regs)->pc)
#define user_stack_pointer(regs) ((regs)->u_regs[UREG_FP])

9
arch/sparc/include/asm/ptrace_64.h
View File

@ -114,6 +114,7 @@ struct sparc_trapf {
#ifdef __KERNEL__
#include <linux/threads.h>
#include <asm/system.h>
static inline int pt_regs_trap_type(struct pt_regs *regs)
{
@ -130,6 +131,14 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
return (regs->tstate &= ~TSTATE_SYSCALL);
}
#define arch_ptrace_stop_needed(exit_code, info) \
({ flush_user_windows(); \
get_thread_wsaved() != 0; \
})
#define arch_ptrace_stop(exit_code, info) \
synchronize_user_stack()
struct global_reg_snapshot {
unsigned long tstate;
unsigned long tpc;