syscall-intercept 0.1.0

Userspace syscall intercepting library.
Documentation
#
# Copyright 2017, Intel Corporation
#
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# see pattern_nop_padding3.in.S
#
# Similar to the test in pattern_nop_padding3, except the nop is too far
# to be used as a trampline.

.intel_syntax noprefix

.global text_start;
.global text_end;

.global dummy_symbol;
.type dummy_symbol, @function;

#include "mock_trampoline_table.S"

.text

text_start:
		xor     rax, rax
		.byte   0x66           # nop     WORD PTR cs:[rax+rax*1+0x0]
		.byte   0x2e
		.byte   0x0f
		.byte   0x1f
		.byte   0x84
		.byte   0x00
		.byte   0x00
		.byte   0x00
		.byte   0x00
		.byte   0x00
		inc     rax
		inc     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		dec     rax
		inc     rax
		mov     rax, 1
		syscall
		cmp     rax, -1
		mov     rax, 2
		inc     rax
		mov     rax, 1
		syscall
		cmp     rax, -1
		mov     rax, 2
		inc     rax
text_end: