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sparc: Use tracehook routines in syscall_trace().
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
parent
768225868c
commit
1c133b4b3d
2 changed files with 21 additions and 17 deletions
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@ -1196,8 +1196,9 @@ sys_rt_sigreturn:
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be 1f
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nop
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add %sp, STACKFRAME_SZ, %o0
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call syscall_trace
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nop
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mov 1, %o1
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1:
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/* We are returning to a signal handler. */
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@ -1287,8 +1288,12 @@ linux_fast_syscall:
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mov %i3, %o3
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linux_syscall_trace:
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add %sp, STACKFRAME_SZ, %o0
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call syscall_trace
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nop
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mov 0, %o1
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cmp %o0, 0
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bne 3f
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mov -ENOSYS, %o0
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mov %i0, %o0
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mov %i1, %o1
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mov %i2, %o2
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@ -1337,6 +1342,7 @@ syscall_is_too_hard:
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call %l7
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mov %i5, %o5
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3:
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st %o0, [%sp + STACKFRAME_SZ + PT_I0]
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ret_sys_call:
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@ -1374,6 +1380,8 @@ ret_sys_call:
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st %l2, [%sp + STACKFRAME_SZ + PT_NPC]
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linux_syscall_trace2:
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add %sp, STACKFRAME_SZ, %o0
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mov 1, %o1
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call syscall_trace
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add %l1, 0x4, %l2 /* npc = npc+4 */
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st %l1, [%sp + STACKFRAME_SZ + PT_PC]
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@ -21,6 +21,7 @@
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#include <linux/signal.h>
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#include <linux/regset.h>
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#include <linux/elf.h>
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#include <linux/tracehook.h>
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#include <asm/pgtable.h>
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#include <asm/system.h>
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@ -450,21 +451,16 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
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return ret;
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}
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asmlinkage void syscall_trace(void)
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asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p)
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{
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if (!test_thread_flag(TIF_SYSCALL_TRACE))
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return;
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if (!(current->ptrace & PT_PTRACED))
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return;
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ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
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? 0x80 : 0));
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/*
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* this isn't the same as continuing with a signal, but it will do
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* for normal use. strace only continues with a signal if the
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* stopping signal is not SIGTRAP. -brl
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*/
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if (current->exit_code) {
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send_sig (current->exit_code, current, 1);
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current->exit_code = 0;
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int ret = 0;
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if (test_thread_flag(TIF_SYSCALL_TRACE)) {
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if (syscall_exit_p)
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tracehook_report_syscall_exit(regs, 0);
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else
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ret = tracehook_report_syscall_entry(regs);
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}
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return ret;
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}
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