ReadFile PInvoke native code produced by Crossgen1

PInvoke-native-cg1.log

Int32 Interop+Kernel32.ReadFile(System.Runtime.InteropServices.SafeHandle, Byte*, Int32, ref Int32, IntPtr)
Handle: 0x0600004B
Rid: 75
Number of RuntimeFunctions: 2

Int32 Interop+Kernel32.ReadFile(System.Runtime.InteropServices.SafeHandle, Byte*, Int32, ref Int32, IntPtr)
Size: 233 bytes
Version:            1
Flags:              0x03 EHANDLER UHANDLER
SizeOfProlog:       0x0013
CountOfUnwindCodes: 10
FrameRegister:      RAX
FrameOffset:        0x0
UnwindCode[0]: CodeOffset 0x0013 FrameOffset 0x0113 NextOffset 0x200 Op 0 - 
UnwindCode[1]: CodeOffset 0x0019 FrameOffset 0x0019 NextOffset 0x-1 Op Scaled small
UnwindCode[2]: CodeOffset 0x000C FrameOffset 0x300C NextOffset 0x-1 Op RBX(3)
UnwindCode[3]: CodeOffset 0x000B FrameOffset 0x600B NextOffset 0x-1 Op RSI(6)
UnwindCode[4]: CodeOffset 0x000A FrameOffset 0x700A NextOffset 0x-1 Op RDI(7)
UnwindCode[5]: CodeOffset 0x0009 FrameOffset 0xC009 NextOffset 0x-1 Op R12(12)
UnwindCode[6]: CodeOffset 0x0007 FrameOffset 0xD007 NextOffset 0x-1 Op R13(13)
UnwindCode[7]: CodeOffset 0x0005 FrameOffset 0xE005 NextOffset 0x-1 Op R14(14)
UnwindCode[8]: CodeOffset 0x0003 FrameOffset 0xF003 NextOffset 0x-1 Op R15(15)
UnwindCode[9]: CodeOffset 0x0001 FrameOffset 0x5001 NextOffset 0x-1 Op RBP(5)

EH info @ 818BF0, #clauses = 1
Flags 04 TryOff 0042 (RVA 3BE472) TryEnd 00C6 (RVA 3BE4F6) HndOff 00E9 (RVA 3BE519) HndEnd 012B (RVA 3BE55B) ClsFlt 0000 FAULT

    push rbp
    UWOP_PUSH_NONVOL RBP(5)
    push r15
    UWOP_PUSH_NONVOL R15(15)
    push r14
    UWOP_PUSH_NONVOL R14(14)
    push r13
    UWOP_PUSH_NONVOL R13(13)
    push r12
    UWOP_PUSH_NONVOL R12(12)
    push rdi
    UWOP_PUSH_NONVOL RDI(7)
    push rsi
    UWOP_PUSH_NONVOL RSI(6)
    push rbx
    UWOP_PUSH_NONVOL RBX(3)
    sub rsp, 200
    lea rbp, [rsp + 256]
    mov qword ptr [rbp - 112], r10
    xor eax, eax
    mov qword ptr [rbp - 72], rax
    mov qword ptr [rbp - 80], rax
    mov qword ptr [rbp - 216], rsp
    mov qword ptr [rbp + 16], rcx
    mov rdi, rdx
    mov ebx, r8d
    mov rsi, r9
    xor edx, edx
    mov dword ptr [rbp - 64], edx
    lea rdx, [rbp - 64]
    mov rcx, qword ptr [rbp + 16]
    RCX is live
    call qword ptr [IntPtr System.StubHelpers.StubHelpers.SafeHandleAddRef(System.Runtime.InteropServices.SafeHandle, ref Boolean) (METHOD_ENTRY)]
    RCX is dead
    mov r14, rax
    movsxd rbx, ebx
    mov qword ptr [rbp - 72], rsi
    call qword ptr [Void System.StubHelpers.StubHelpers.ClearLastError() (METHOD_ENTRY)]
    mov rcx, qword ptr [rbp - 112]
    mov rcx, qword ptr [rcx + 32]
    mov r15, qword ptr [rcx]
    mov r12, qword ptr [rbp + 48]
    mov qword ptr [rsp + 32], r12
    mov rcx, r14
    mov qword ptr [rbp - 88], rcx
    mov rdx, rdi
    mov qword ptr [rbp - 96], rdx
    mov r8, rbx
    mov qword ptr [rbp - 104], r8
    mov r9, rsi
    R9 is live
    mov qword ptr [rbp - 80], r9
    lea rcx, [rbp - 200]
    RSI is dead
    R9 is dead
    call qword ptr [PINVOKE_BEGIN (HELPER)]
    mov rcx, qword ptr [rbp - 88]
    mov rdx, qword ptr [rbp - 96]
    mov r8, qword ptr [rbp - 104]
    mov r9, qword ptr [rbp - 80]
    call r15
    mov esi, eax
    lea rcx, [rbp - 200]
    call qword ptr [PINVOKE_END (HELPER)]
    call qword ptr [Void System.StubHelpers.StubHelpers.SetLastError() (METHOD_ENTRY)]
    nop
    cmp byte ptr [rbp - 64], 0
    je 0x00D6
    mov rcx, qword ptr [rbp + 16]
    RCX is live
    sp+16 is dead
    call qword ptr [Void System.StubHelpers.StubHelpers.SafeHandleRelease(System.Runtime.InteropServices.SafeHandle) (METHOD_ENTRY)]
    RCX is dead
    mov eax, esi
    sp+16 is live
    lea rsp, [rbp - 56]
    pop rbx
    pop rsi
    pop rdi
    pop r12
    pop r13
    pop r14
    pop r15
    pop rbp
    ret

Int32 Interop+Kernel32.ReadFile(System.Runtime.InteropServices.SafeHandle, Byte*, Int32, ref Int32, IntPtr)
Size: 66 bytes
Version:            1
Flags:              0x03 EHANDLER UHANDLER
SizeOfProlog:       0x0010
CountOfUnwindCodes: 9
FrameRegister:      RAX
FrameOffset:        0x0
UnwindCode[0]: CodeOffset 0x0010 FrameOffset 0x6210 NextOffset 0x-1 Op 56
UnwindCode[1]: CodeOffset 0x000C FrameOffset 0x300C NextOffset 0x-1 Op RBX(3)
UnwindCode[2]: CodeOffset 0x000B FrameOffset 0x600B NextOffset 0x-1 Op RSI(6)
UnwindCode[3]: CodeOffset 0x000A FrameOffset 0x700A NextOffset 0x-1 Op RDI(7)
UnwindCode[4]: CodeOffset 0x0009 FrameOffset 0xC009 NextOffset 0x-1 Op R12(12)
UnwindCode[5]: CodeOffset 0x0007 FrameOffset 0xD007 NextOffset 0x-1 Op R13(13)
UnwindCode[6]: CodeOffset 0x0005 FrameOffset 0xE005 NextOffset 0x-1 Op R14(14)
UnwindCode[7]: CodeOffset 0x0003 FrameOffset 0xF003 NextOffset 0x-1 Op R15(15)
UnwindCode[8]: CodeOffset 0x0001 FrameOffset 0x5001 NextOffset 0x-1 Op RBP(5)

    push rbp
    push r15
    push r14
    push r13
    push r12
    push rdi
    push rsi
    push rbx
    sub rsp, 56
    mov rbp, qword ptr [rcx + 40]
    mov qword ptr [rsp + 40], rbp
    lea rbp, [rbp + 256]
    cmp byte ptr [rbp - 64], 0
    je 0x0030
    mov rcx, qword ptr [rbp + 16]
    RCX is live
    sp+16 is dead
    call qword ptr [Void System.StubHelpers.StubHelpers.SafeHandleRelease(System.Runtime.InteropServices.SafeHandle) (METHOD_ENTRY)]
    RCX is dead
    nop
    add rsp, 56
    pop rbx
    pop rsi
    pop rdi
    pop r12
    pop r13
    pop r14
    pop r15
    pop rbp
    ret