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authorEric W. Biederman <ebiederm@xmission.com>2021-09-02 16:10:11 -0500
committerEric W. Biederman <ebiederm@xmission.com>2021-10-06 11:27:41 -0500
commit4f627af8e6068892cafe031df6c14e8a0aaaa426 (patch)
tree2d6cc291f73c0367ce55d601a1bed6984ef68473 /arch/sparc
parent7d613f9f72ec8f90ddefcae038fdae5adb8404b3 (diff)
downloadlinux-4f627af8e6068892cafe031df6c14e8a0aaaa426.tar.bz2
ptrace: Remove the unnecessary arguments from arch_ptrace_stop
Both arch_ptrace_stop_needed and arch_ptrace_stop are called with an exit_code and a siginfo structure. Neither argument is used by any of the implementations so just remove the unneeded arguments. The two arechitectures that implement arch_ptrace_stop are ia64 and sparc. Both architectures flush their register stacks before a ptrace_stack so that all of the register information can be accessed by debuggers. As the question of if a register stack needs to be flushed is independent of why ptrace is stopping not needing arguments make sense. Cc: David Miller <davem@davemloft.net> Cc: sparclinux@vger.kernel.org Link: https://lkml.kernel.org/r/87lf3mx290.fsf@disp2133 Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
Diffstat (limited to 'arch/sparc')
-rw-r--r--arch/sparc/include/asm/ptrace.h8
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sparc/include/asm/ptrace.h b/arch/sparc/include/asm/ptrace.h
index 71dd82b43cc5..d1419e669027 100644
--- a/arch/sparc/include/asm/ptrace.h
+++ b/arch/sparc/include/asm/ptrace.h
@@ -26,12 +26,12 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
return (regs->tstate &= ~TSTATE_SYSCALL);
}
-#define arch_ptrace_stop_needed(exit_code, info) \
+#define arch_ptrace_stop_needed() \
({ flush_user_windows(); \
get_thread_wsaved() != 0; \
})
-#define arch_ptrace_stop(exit_code, info) \
+#define arch_ptrace_stop() \
synchronize_user_stack()
#define current_pt_regs() \
@@ -129,12 +129,12 @@ static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
return (regs->psr &= ~PSR_SYSCALL);
}
-#define arch_ptrace_stop_needed(exit_code, info) \
+#define arch_ptrace_stop_needed() \
({ flush_user_windows(); \
current_thread_info()->w_saved != 0; \
})
-#define arch_ptrace_stop(exit_code, info) \
+#define arch_ptrace_stop() \
synchronize_user_stack()
#define current_pt_regs() \