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f7690a8b FF |
1 | See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788113 |
2 | ||
3 | diff -N -u -r ../PRoot-5.1.0/src/loader/assemble-arm64.h ./src/loader/assemble-arm64.h | |
4 | --- ../PRoot-5.1.0/src/loader/assembly-arm64.h 1969-12-31 19:00:00.000000000 -0500 | |
5 | +++ ./src/loader/assembly-arm64.h 2016-01-08 20:12:46.494779723 -0500 | |
6 | @@ -0,0 +1,93 @@ | |
7 | +/* -*- c-set-style: "K&R"; c-basic-offset: 8 -*- | |
8 | + * | |
9 | + * This file is part of PRoot. | |
10 | + * | |
11 | + * Copyright (C) 2014 STMicroelectronics | |
12 | + * | |
13 | + * This program is free software; you can redistribute it and/or | |
14 | + * modify it under the terms of the GNU General Public License as | |
15 | + * published by the Free Software Foundation; either version 2 of the | |
16 | + * License, or (at your option) any later version. | |
17 | + * | |
18 | + * This program is distributed in the hope that it will be useful, but | |
19 | + * WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
21 | + * General Public License for more details. | |
22 | + * | |
23 | + * You should have received a copy of the GNU General Public License | |
24 | + * along with this program; if not, write to the Free Software | |
25 | + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA | |
26 | + * 02110-1301 USA. | |
27 | + */ | |
28 | + | |
29 | +#define BRANCH(stack_pointer, destination) do { \ | |
30 | + asm volatile ( \ | |
31 | + "// Restore initial stack pointer. \n\t" \ | |
32 | + "mov sp, %0 \n\t" \ | |
33 | + " \n\t" \ | |
34 | + "// Clear rtld_fini. \n\t" \ | |
35 | + "mov x0, #0 \n\t" \ | |
36 | + " \n\t" \ | |
37 | + "// Start the program. \n\t" \ | |
38 | + "br %1 \n" \ | |
39 | + : /* no output */ \ | |
40 | + : "r" (stack_pointer), "r" (destination) \ | |
41 | + : "memory", "sp", "x0"); \ | |
42 | + __builtin_unreachable(); \ | |
43 | + } while (0) | |
44 | + | |
45 | +#define PREPARE_ARGS_1(arg1_) \ | |
46 | + register word_t arg1 asm("x0") = arg1_; \ | |
47 | + | |
48 | +#define PREPARE_ARGS_3(arg1_, arg2_, arg3_) \ | |
49 | + PREPARE_ARGS_1(arg1_) \ | |
50 | + register word_t arg2 asm("x1") = arg2_; \ | |
51 | + register word_t arg3 asm("x2") = arg3_; \ | |
52 | + | |
53 | +#define PREPARE_ARGS_4(arg1_, arg2_, arg3_, arg4_) \ | |
54 | + PREPARE_ARGS_3(arg1_, arg2_, arg3_) \ | |
55 | + register word_t arg4 asm("x3") = arg4_; | |
56 | + | |
57 | +#define PREPARE_ARGS_6(arg1_, arg2_, arg3_, arg4_, arg5_, arg6_) \ | |
58 | + PREPARE_ARGS_3(arg1_, arg2_, arg3_) \ | |
59 | + register word_t arg4 asm("x3") = arg4_; \ | |
60 | + register word_t arg5 asm("x4") = arg5_; \ | |
61 | + register word_t arg6 asm("x5") = arg6_; | |
62 | + | |
63 | +#define OUTPUT_CONTRAINTS_1 \ | |
64 | + "r" (arg1) | |
65 | + | |
66 | +#define OUTPUT_CONTRAINTS_3 \ | |
67 | + OUTPUT_CONTRAINTS_1, \ | |
68 | + "r" (arg2), "r" (arg3) | |
69 | + | |
70 | +#define OUTPUT_CONTRAINTS_4 \ | |
71 | + OUTPUT_CONTRAINTS_3, \ | |
72 | + "r" (arg4) | |
73 | + | |
74 | +#define OUTPUT_CONTRAINTS_6 \ | |
75 | + OUTPUT_CONTRAINTS_3, \ | |
76 | + "r" (arg4), "r" (arg5), "r" (arg6) | |
77 | + | |
78 | +#define SYSCALL(number_, nb_args, args...) \ | |
79 | + ({ \ | |
80 | + register word_t number asm("w8") = number_; \ | |
81 | + register word_t result asm("x0"); \ | |
82 | + PREPARE_ARGS_##nb_args(args) \ | |
83 | + asm volatile ( \ | |
84 | + "svc #0x00000000 \n\t" \ | |
85 | + : "=r" (result) \ | |
86 | + : "r" (number), \ | |
87 | + OUTPUT_CONTRAINTS_##nb_args \ | |
88 | + : "memory"); \ | |
89 | + result; \ | |
90 | + }) | |
91 | + | |
92 | +#define OPENAT 56 | |
93 | +#define CLOSE 57 | |
94 | +#define MMAP 222 | |
95 | +#define MMAP_OFFSET_SHIFT 0 | |
96 | +#define EXECVE 221 | |
97 | +#define EXIT 93 | |
98 | +#define PRCTL 167 | |
99 | + |