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@@ -21,6 +21,7 @@
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#include <linux/uaccess.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/traps.h>
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#include <arch/chip.h>
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@@ -246,29 +247,18 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
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}
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#endif
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-void do_syscall_trace(void)
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+int do_syscall_trace_enter(struct pt_regs *regs)
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{
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- if (!test_thread_flag(TIF_SYSCALL_TRACE))
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- return;
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-
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- if (!(current->ptrace & PT_PTRACED))
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- return;
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+ if (tracehook_report_syscall_entry(regs)) {
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+ regs->regs[TREG_SYSCALL_NR] = -1;
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+ }
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- /*
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- * The 0x80 provides a way for the tracing parent to distinguish
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- * between a syscall stop and SIGTRAP delivery
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- */
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- ptrace_notify(SIGTRAP|((current->ptrace & PT_TRACESYSGOOD) ? 0x80 : 0));
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+ return regs->regs[TREG_SYSCALL_NR];
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+}
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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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- }
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+void do_syscall_trace_exit(struct pt_regs *regs)
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+{
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+ tracehook_report_syscall_exit(regs, 0);
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}
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void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code)
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