c8b9782baa
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204 lines
2.5 KiB
NASM
204 lines
2.5 KiB
NASM
PUBLIC microprofile_tramp_enter
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PUBLIC microprofile_tramp_leave
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PUBLIC microprofile_tramp_code_begin
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PUBLIC microprofile_tramp_code_end
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PUBLIC microprofile_tramp_end
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PUBLIC microprofile_tramp_exit
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PUBLIC microprofile_tramp_intercept0
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PUBLIC microprofile_tramp_enter_patch
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;PUBLIC microprofile_tramp_get_rsp_loc
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PUBLIC microprofile_tramp_arg0
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;PUBLIC microprofile_tramp_arg1
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PUBLIC microprofile_tramp_call_patch_pop
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PUBLIC microprofile_tramp_call_patch_push
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PUBLIC microprofile_tramp_trunk
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.data
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.code
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;RCX, RDX, R8, R9, XMM0-XMM3, YMM0-YMM3, ZMM0-ZMM
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;RAX, ST(0), XMM0, YMM0, ZMM0 RAX
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microprofile_tramp_enter:
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mov r11, [rsp]
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push rcx
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push rdx
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push r8
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push r9
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;sub $88h, %rsp
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sub rsp, 68h
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movdqu [rsp + 050h], xmm3
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movdqu [rsp + 040h], xmm2
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movdqu [rsp + 030h], xmm1
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movdqu [rsp + 020h], xmm0
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mov rcx, r11
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microprofile_tramp_call_patch_push:
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mov rax, 0102030405060708h
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call rax
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test rax, rax
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jz microprofile_tramp_fail ;if push fails, skip to call code, and dont patch return adress.
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microprofile_tramp_enter_patch:
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; PATCH 1 TRAMP EXIT
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mov rax, 0102030405060708h ;patch to tramp_code_end
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mov [rsp+088h], rax
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microprofile_tramp_arg0:
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mov rcx, 42
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microprofile_tramp_intercept0:
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;PATCH 2 INTERCEPT0
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mov rax, 0102030405060708h
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call rax
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microprofile_tramp_fail:
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movdqu xmm3, [rsp + 050h]
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movdqu xmm2, [rsp + 040h]
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movdqu xmm1, [rsp + 030h]
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movdqu xmm0, [rsp + 020h]
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add rsp, 68h
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pop r9
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pop r8
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pop rdx
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pop rcx
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microprofile_tramp_code_begin:
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;;insert code here
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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microprofile_tramp_code_end:
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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microprofile_tramp_exit:
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mov rcx, 117
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push rax
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sub rsp, 30h
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movdqu [rsp + 020h], xmm0
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microprofile_tramp_leave:
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;PATCH 3 INTERCEPT1
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mov rax, 0102030405060708h
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call rax ;jump to proxy
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microprofile_tramp_call_patch_pop:
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mov rax, 0102030405060708h
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call rax
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mov r11, rax
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movdqu xmm0, [rsp + 020h]
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add rsp, 30h
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pop rax
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jmp r11
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int 3
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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int 3
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microprofile_tramp_trunk: ;: #used for moved constants.
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; todo: move it to the beginning so it can be aligned by default.
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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microprofile_tramp_end:
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end
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