The stack layout changed in r23983. Since then user_debug_post_syscall()
wouldn't be passed the syscall start time anymore. Fixes weird syscall timings when using strace. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26243 a95241bf-73f2-0310-859d-f6bbb57e9c96
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@ -357,7 +357,8 @@ handle_syscall:
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movl %eax,%ds
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movl %eax,%es
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lea 4(%esp), %ebp // stack frame pointer is the iframe
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lea 4(%esp), %ebp // skipping the return address, the stack
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// frame pointer is the iframe
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movl %dr3, %edi // thread pointer
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// disable breakpoints, if installed
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@ -437,8 +438,8 @@ handle_syscall:
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// post syscall debugging
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testl $THREAD_FLAGS_DEBUGGER_INSTALLED, THREAD_flags(%edi)
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jz 1f
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pushl -4(%ebp) // syscall start time
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pushl -8(%ebp)
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pushl -8(%ebp) // syscall start time
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pushl -12(%ebp)
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movl IFRAME_edx(%ebp), %edx // syscall return value
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movl IFRAME_eax(%ebp), %eax
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push %edx
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