135 lines
3.9 KiB
Diff
135 lines
3.9 KiB
Diff
diff -ru proot-5.1.0.orig/src/arch.h proot-5.1.0/src/arch.h
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--- src/arch.h
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+++ src/arch.h
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@@ -125,6 +125,9 @@
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#define OFFSETOF_STAT_UID_32 0
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#define OFFSETOF_STAT_GID_32 0
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+ #define EXEC_PIC_ADDRESS 0x500000000000
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+ #define INTERP_PIC_ADDRESS 0x6f0000000000
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+
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#elif defined(ARCH_X86)
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#define SYSNUMS_HEADER1 "syscall/sysnums-i386.h"
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diff -ru proot-5.1.0.orig/src/loader/assembly-arm64.h proot-5.1.0/src/loader/assembly-arm64.h
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--- /dev/null
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+++ src/loader/assembly-arm64.h
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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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diff -ru proot-5.1.0.orig/src/loader/loader.c proot-5.1.0/src/loader/loader.c
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--- src/loader/loader.c
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+++ src/loader/loader.c
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@@ -39,6 +39,8 @@
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# include "loader/assembly-x86_64.h"
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#elif defined(ARCH_ARM_EABI)
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# include "loader/assembly-arm.h"
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+#elif defined(ARCH_ARM64)
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+# include "loader/assembly-arm64.h"
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#elif defined(ARCH_X86)
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# include "loader/assembly-x86.h"
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#else
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@@ -134,7 +136,11 @@
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/* Fall through. */
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case LOAD_ACTION_OPEN:
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+#ifdef OPENAT
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+ fd = SYSCALL(OPENAT, 4, AT_FDCWD, stmt->open.string_address, O_RDONLY, 0);
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+#else
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fd = SYSCALL(OPEN, 3, stmt->open.string_address, O_RDONLY, 0);
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+#endif
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if (unlikely((int) fd < 0))
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FATAL();
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