100 lines
3.0 KiB
Diff
100 lines
3.0 KiB
Diff
See https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=788113
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diff -N -u -r ../PRoot-5.1.0/src/loader/assemble-arm64.h ./src/loader/assemble-arm64.h
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--- ../PRoot-5.1.0/src/loader/assembly-arm64.h 1969-12-31 19:00:00.000000000 -0500
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+++ ./src/loader/assembly-arm64.h 2016-01-08 20:12:46.494779723 -0500
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@@ -0,0 +1,93 @@
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+/* -*- c-set-style: "K&R"; c-basic-offset: 8 -*-
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+ *
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+ * This file is part of PRoot.
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+ *
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+ * Copyright (C) 2014 STMicroelectronics
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+ *
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+ * This program is free software; you can redistribute it and/or
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+ * modify it under the terms of the GNU General Public License as
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+ * published by the Free Software Foundation; either version 2 of the
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+ * License, or (at your option) any later version.
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+ *
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+ * This program is distributed in the hope that it will be useful, but
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+ * WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ * General Public License for more details.
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+ *
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+ * You should have received a copy of the GNU General Public License
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+ * along with this program; if not, write to the Free Software
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+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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+ * 02110-1301 USA.
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+ */
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+
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+#define BRANCH(stack_pointer, destination) do { \
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+ asm volatile ( \
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+ "// Restore initial stack pointer. \n\t" \
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+ "mov sp, %0 \n\t" \
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+ " \n\t" \
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+ "// Clear rtld_fini. \n\t" \
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+ "mov x0, #0 \n\t" \
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+ " \n\t" \
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+ "// Start the program. \n\t" \
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+ "br %1 \n" \
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+ : /* no output */ \
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+ : "r" (stack_pointer), "r" (destination) \
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+ : "memory", "sp", "x0"); \
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+ __builtin_unreachable(); \
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+ } while (0)
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+
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+#define PREPARE_ARGS_1(arg1_) \
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+ register word_t arg1 asm("x0") = arg1_; \
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+
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+#define PREPARE_ARGS_3(arg1_, arg2_, arg3_) \
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+ PREPARE_ARGS_1(arg1_) \
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+ register word_t arg2 asm("x1") = arg2_; \
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+ register word_t arg3 asm("x2") = arg3_; \
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+
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+#define PREPARE_ARGS_4(arg1_, arg2_, arg3_, arg4_) \
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+ PREPARE_ARGS_3(arg1_, arg2_, arg3_) \
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+ register word_t arg4 asm("x3") = arg4_;
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+
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+#define PREPARE_ARGS_6(arg1_, arg2_, arg3_, arg4_, arg5_, arg6_) \
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+ PREPARE_ARGS_3(arg1_, arg2_, arg3_) \
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+ register word_t arg4 asm("x3") = arg4_; \
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+ register word_t arg5 asm("x4") = arg5_; \
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+ register word_t arg6 asm("x5") = arg6_;
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+
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+#define OUTPUT_CONTRAINTS_1 \
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+ "r" (arg1)
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+
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+#define OUTPUT_CONTRAINTS_3 \
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+ OUTPUT_CONTRAINTS_1, \
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+ "r" (arg2), "r" (arg3)
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+
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+#define OUTPUT_CONTRAINTS_4 \
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+ OUTPUT_CONTRAINTS_3, \
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+ "r" (arg4)
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+
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+#define OUTPUT_CONTRAINTS_6 \
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+ OUTPUT_CONTRAINTS_3, \
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+ "r" (arg4), "r" (arg5), "r" (arg6)
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+
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+#define SYSCALL(number_, nb_args, args...) \
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+ ({ \
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+ register word_t number asm("w8") = number_; \
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+ register word_t result asm("x0"); \
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+ PREPARE_ARGS_##nb_args(args) \
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+ asm volatile ( \
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+ "svc #0x00000000 \n\t" \
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+ : "=r" (result) \
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+ : "r" (number), \
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+ OUTPUT_CONTRAINTS_##nb_args \
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+ : "memory"); \
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+ result; \
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+ })
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+
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+#define OPENAT 56
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+#define CLOSE 57
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+#define MMAP 222
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+#define MMAP_OFFSET_SHIFT 0
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+#define EXECVE 221
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+#define EXIT 93
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+#define PRCTL 167
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+
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