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authorA. Wilcox <AWilcox@Wilcox-Tech.com>2018-06-08 02:02:24 -0500
committerA. Wilcox <AWilcox@Wilcox-Tech.com>2018-06-08 02:02:24 -0500
commitfd2bb2f751c13b3c0c002b8e012810902b9da364 (patch)
tree17b2e38c966c9f96cfa568c1f572261a289590e6 /harmony/ltrace/aarch-part2.patch
parentb0a5136bf3326ba38b360be288d06f9a27f2a4d2 (diff)
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harmony -> system
Diffstat (limited to 'harmony/ltrace/aarch-part2.patch')
-rw-r--r--harmony/ltrace/aarch-part2.patch1982
1 files changed, 0 insertions, 1982 deletions
diff --git a/harmony/ltrace/aarch-part2.patch b/harmony/ltrace/aarch-part2.patch
deleted file mode 100644
index c40d0a797..000000000
--- a/harmony/ltrace/aarch-part2.patch
+++ /dev/null
@@ -1,1982 +0,0 @@
-From ae7249250ea650ec82bc545d4281b852020c7a6f Mon Sep 17 00:00:00 2001
-From: Petr Machata <pmachata@redhat.com>
-Date: Fri, 24 Jan 2014 00:50:06 +0100
-Subject: [PATCH 1/1] Implement aarch64 support
-
-- IFUNC support is not implemented, the rest works well. The only
- other failure is in wide char functions, and that occurs on x86_64
- as well.
----
- configure.ac | 3 +-
- sysdeps/linux-gnu/Makefile.am | 4 +-
- sysdeps/linux-gnu/aarch64/Makefile.am | 25 +
- sysdeps/linux-gnu/aarch64/arch.h | 37 ++
- sysdeps/linux-gnu/aarch64/fetch.c | 365 +++++++++++
- sysdeps/linux-gnu/aarch64/plt.c | 38 ++
- sysdeps/linux-gnu/aarch64/ptrace.h | 22 +
- sysdeps/linux-gnu/aarch64/regs.c | 130 ++++
- sysdeps/linux-gnu/aarch64/signalent.h | 52 ++
- sysdeps/linux-gnu/aarch64/syscallent.h | 1100 ++++++++++++++++++++++++++++++++
- sysdeps/linux-gnu/aarch64/trace.c | 83 +++
- 11 files changed, 1857 insertions(+), 2 deletions(-)
- create mode 100644 sysdeps/linux-gnu/aarch64/Makefile.am
- create mode 100644 sysdeps/linux-gnu/aarch64/arch.h
- create mode 100644 sysdeps/linux-gnu/aarch64/fetch.c
- create mode 100644 sysdeps/linux-gnu/aarch64/plt.c
- create mode 100644 sysdeps/linux-gnu/aarch64/ptrace.h
- create mode 100644 sysdeps/linux-gnu/aarch64/regs.c
- create mode 100644 sysdeps/linux-gnu/aarch64/signalent.h
- create mode 100644 sysdeps/linux-gnu/aarch64/syscallent.h
- create mode 100644 sysdeps/linux-gnu/aarch64/trace.c
-
-diff --git a/configure.ac b/configure.ac
-index c6e6bf0..0e9a124 100644
---- a/configure.ac
-+++ b/configure.ac
-@@ -1,6 +1,6 @@
- # -*- Autoconf -*-
- # This file is part of ltrace.
--# Copyright (C) 2010,2013 Petr Machata, Red Hat Inc.
-+# Copyright (C) 2010,2012,2013,2014 Petr Machata, Red Hat Inc.
- # Copyright (C) 2010,2011 Joe Damato
- # Copyright (C) 2010 Marc Kleine-Budde
- # Copyright (C) 2010 Zachary T Welch
-@@ -399,6 +399,7 @@ AC_CONFIG_FILES([
- Makefile
- sysdeps/Makefile
- sysdeps/linux-gnu/Makefile
-+ sysdeps/linux-gnu/aarch64/Makefile
- sysdeps/linux-gnu/alpha/Makefile
- sysdeps/linux-gnu/arm/Makefile
- sysdeps/linux-gnu/cris/Makefile
-diff --git a/sysdeps/linux-gnu/Makefile.am b/sysdeps/linux-gnu/Makefile.am
-index ecee577..ec26162 100644
---- a/sysdeps/linux-gnu/Makefile.am
-+++ b/sysdeps/linux-gnu/Makefile.am
-@@ -1,4 +1,5 @@
- # This file is part of ltrace.
-+# Copyright (C) 2014 Petr Machata, Red Hat, Inc.
- # Copyright (C) 2010,2012 Marc Kleine-Budde, Pengutronix
- #
- # This program is free software; you can redistribute it and/or
-@@ -16,7 +17,8 @@
- # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- # 02110-1301 USA
-
--DIST_SUBDIRS = alpha arm cris ia64 m68k mips ppc s390 sparc x86
-+DIST_SUBDIRS = aarch64 alpha arm cris ia64 m68k mips ppc s390 \
-+ sparc x86
-
- SUBDIRS = \
- $(HOST_CPU)
-diff --git a/sysdeps/linux-gnu/aarch64/Makefile.am b/sysdeps/linux-gnu/aarch64/Makefile.am
-new file mode 100644
-index 0000000..0af4e6e
---- /dev/null
-+++ b/sysdeps/linux-gnu/aarch64/Makefile.am
-@@ -0,0 +1,25 @@
-+# This file is part of ltrace.
-+# Copyright (C) 2014 Petr Machata, Red Hat, Inc.
-+#
-+# This program is free software; you can redistribute it and/or
-+# modify it under the terms of the GNU General Public License as
-+# published by the Free Software Foundation; either version 2 of the
-+# License, or (at your option) any later version.
-+#
-+# This program is distributed in the hope that it will be useful, but
-+# WITHOUT ANY WARRANTY; without even the implied warranty of
-+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+# General Public License for more details.
-+#
-+# You should have received a copy of the GNU General Public License
-+# along with this program; if not, write to the Free Software
-+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+# 02110-1301 USA
-+
-+noinst_LTLIBRARIES = ../libcpu.la
-+
-+___libcpu_la_SOURCES = fetch.c plt.c regs.c trace.c
-+
-+noinst_HEADERS = arch.h ptrace.h signalent.h syscallent.h
-+
-+MAINTAINERCLEANFILES = Makefile.in
-diff --git a/sysdeps/linux-gnu/aarch64/arch.h b/sysdeps/linux-gnu/aarch64/arch.h
-new file mode 100644
-index 0000000..4137613
---- /dev/null
-+++ b/sysdeps/linux-gnu/aarch64/arch.h
-@@ -0,0 +1,37 @@
-+/*
-+ * This file is part of ltrace.
-+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License as
-+ * published by the Free Software Foundation; either version 2 of the
-+ * License, or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+ * 02110-1301 USA
-+ */
-+#ifndef LTRACE_AARCH64_ARCH_H
-+#define LTRACE_AARCH64_ARCH_H
-+
-+/* | 31 21 | 20 5 | 4 0 | *
-+ * | 1 1 0 1 0 1 0 0 0 0 1 | imm16 | 0 0 0 0 0 | */
-+#define BREAKPOINT_VALUE { 0xd4, 0x20, 0, 0 }
-+#define BREAKPOINT_LENGTH 4
-+#define DECR_PC_AFTER_BREAK 0
-+
-+#define LT_ELFCLASS ELFCLASS64
-+#define LT_ELF_MACHINE EM_AARCH64
-+
-+#define ARCH_HAVE_FETCH_ARG
-+#define ARCH_ENDIAN_BIG
-+#define ARCH_HAVE_SIZEOF
-+#define ARCH_HAVE_ALIGNOF
-+
-+#endif /* LTRACE_AARCH64_ARCH_H */
-diff --git a/sysdeps/linux-gnu/aarch64/fetch.c b/sysdeps/linux-gnu/aarch64/fetch.c
-new file mode 100644
-index 0000000..8779f03
---- /dev/null
-+++ b/sysdeps/linux-gnu/aarch64/fetch.c
-@@ -0,0 +1,365 @@
-+/*
-+ * This file is part of ltrace.
-+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License as
-+ * published by the Free Software Foundation; either version 2 of the
-+ * License, or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+ * 02110-1301 USA
-+ */
-+
-+#include <sys/ptrace.h>
-+#include <asm/ptrace.h>
-+#include <stdlib.h>
-+#include <string.h>
-+
-+#include "fetch.h"
-+#include "proc.h"
-+#include "type.h"
-+#include "value.h"
-+
-+int aarch64_read_gregs(struct Process *proc, struct user_pt_regs *regs);
-+int aarch64_read_fregs(struct Process *proc, struct user_fpsimd_state *regs);
-+
-+
-+struct fetch_context
-+{
-+ struct user_pt_regs gregs;
-+ struct user_fpsimd_state fpregs;
-+ arch_addr_t nsaa;
-+ unsigned ngrn;
-+ unsigned nsrn;
-+ arch_addr_t x8;
-+};
-+
-+static int
-+context_init(struct fetch_context *context, struct Process *proc)
-+{
-+ if (aarch64_read_gregs(proc, &context->gregs) < 0
-+ || aarch64_read_fregs(proc, &context->fpregs) < 0)
-+ return -1;
-+
-+ context->ngrn = 0;
-+ context->nsrn = 0;
-+ /* XXX double cast */
-+ context->nsaa = (arch_addr_t) (uintptr_t) context->gregs.sp;
-+ context->x8 = 0;
-+
-+ return 0;
-+}
-+
-+struct fetch_context *
-+arch_fetch_arg_clone(struct Process *proc, struct fetch_context *context)
-+{
-+ struct fetch_context *ret = malloc(sizeof(*ret));
-+ if (ret == NULL)
-+ return NULL;
-+ return memcpy(ret, context, sizeof(*ret));
-+}
-+
-+static void
-+fetch_next_gpr(struct fetch_context *context, unsigned char *buf)
-+{
-+ uint64_t u = context->gregs.regs[context->ngrn++];
-+ memcpy(buf, &u, 8);
-+}
-+
-+static int
-+fetch_gpr(struct fetch_context *context, struct value *value, size_t sz)
-+{
-+ if (sz < 8)
-+ sz = 8;
-+
-+ unsigned char *buf = value_reserve(value, sz);
-+ if (buf == NULL)
-+ return -1;
-+
-+ size_t i;
-+ for (i = 0; i < sz; i += 8)
-+ fetch_next_gpr(context, buf + i);
-+
-+ return 0;
-+}
-+
-+static void
-+fetch_next_sse(struct fetch_context *context, unsigned char *buf, size_t sz)
-+{
-+ __int128 u = context->fpregs.vregs[context->nsrn++];
-+ memcpy(buf, &u, sz);
-+}
-+
-+static int
-+fetch_sse(struct fetch_context *context, struct value *value, size_t sz)
-+{
-+ unsigned char *buf = value_reserve(value, sz);
-+ if (buf == NULL)
-+ return -1;
-+
-+ fetch_next_sse(context, buf, sz);
-+ return 0;
-+}
-+
-+static int
-+fetch_hfa(struct fetch_context *context,
-+ struct value *value, struct arg_type_info *hfa_t, size_t count)
-+{
-+ size_t sz = type_sizeof(value->inferior, hfa_t);
-+ unsigned char *buf = value_reserve(value, sz * count);
-+ if (buf == NULL)
-+ return -1;
-+
-+ size_t i;
-+ for (i = 0; i < count; ++i) {
-+ fetch_next_sse(context, buf, sz);
-+ buf += sz;
-+ }
-+ return 0;
-+}
-+
-+static int
-+fetch_stack(struct fetch_context *context, struct value *value,
-+ size_t align, size_t sz)
-+{
-+ if (align < 8)
-+ align = 8;
-+ size_t amount = ((sz + align - 1) / align) * align;
-+
-+ /* XXX double casts */
-+ uintptr_t sp = (uintptr_t) context->nsaa;
-+ sp = ((sp + align - 1) / align) * align;
-+
-+ value_in_inferior(value, (arch_addr_t) sp);
-+
-+ sp += amount;
-+ context->nsaa = (arch_addr_t) sp;
-+
-+ return 0;
-+}
-+
-+enum convert_method {
-+ CVT_ERR = -1,
-+ CVT_NOP = 0,
-+ CVT_BYREF,
-+};
-+
-+enum fetch_method {
-+ FETCH_NOP,
-+ FETCH_STACK,
-+ FETCH_GPR,
-+ FETCH_SSE,
-+ FETCH_HFA,
-+};
-+
-+struct fetch_script {
-+ enum convert_method c;
-+ enum fetch_method f;
-+ size_t sz;
-+ struct arg_type_info *hfa_t;
-+ size_t count;
-+};
-+
-+static struct fetch_script
-+pass_arg(struct fetch_context const *context,
-+ struct Process *proc, struct arg_type_info *info)
-+{
-+ enum fetch_method cvt = CVT_NOP;
-+
-+ size_t sz = type_sizeof(proc, info);
-+ if (sz == (size_t) -1)
-+ return (struct fetch_script) { CVT_ERR, FETCH_NOP, sz };
-+
-+ switch (info->type) {
-+ case ARGTYPE_VOID:
-+ return (struct fetch_script) { cvt, FETCH_NOP, sz };
-+
-+ case ARGTYPE_STRUCT:
-+ case ARGTYPE_ARRAY:;
-+ size_t count;
-+ struct arg_type_info *hfa_t = type_get_hfa_type(info, &count);
-+ if (hfa_t != NULL && count <= 4) {
-+ if (context->nsrn + count <= 8)
-+ return (struct fetch_script)
-+ { cvt, FETCH_HFA, sz, hfa_t, count };
-+ return (struct fetch_script)
-+ { cvt, FETCH_STACK, sz, hfa_t, count };
-+ }
-+
-+ if (sz <= 16) {
-+ size_t count = sz / 8;
-+ if (context->ngrn + count <= 8)
-+ return (struct fetch_script)
-+ { cvt, FETCH_GPR, sz };
-+ }
-+
-+ cvt = CVT_BYREF;
-+ sz = 8;
-+ /* Fall through. */
-+
-+ case ARGTYPE_POINTER:
-+ case ARGTYPE_INT:
-+ case ARGTYPE_UINT:
-+ case ARGTYPE_LONG:
-+ case ARGTYPE_ULONG:
-+ case ARGTYPE_CHAR:
-+ case ARGTYPE_SHORT:
-+ case ARGTYPE_USHORT:
-+ if (context->ngrn < 8 && sz <= 8)
-+ return (struct fetch_script) { cvt, FETCH_GPR, sz };
-+ /* We don't support types wider than 8 bytes as of
-+ * now. */
-+ assert(sz <= 8);
-+
-+ return (struct fetch_script) { cvt, FETCH_STACK, sz };
-+
-+ case ARGTYPE_FLOAT:
-+ case ARGTYPE_DOUBLE:
-+ if (context->nsrn < 8) {
-+ /* ltrace doesn't support float128. */
-+ assert(sz <= 8);
-+ return (struct fetch_script) { cvt, FETCH_SSE, sz };
-+ }
-+
-+ return (struct fetch_script) { cvt, FETCH_STACK, sz };
-+ }
-+
-+ assert(! "Failed to allocate argument.");
-+ abort();
-+}
-+
-+static int
-+convert_arg(struct value *value, struct fetch_script how)
-+{
-+ switch (how.c) {
-+ case CVT_NOP:
-+ return 0;
-+ case CVT_BYREF:
-+ return value_pass_by_reference(value);
-+ case CVT_ERR:
-+ return -1;
-+ }
-+
-+ assert(! "Don't know how to convert argument.");
-+ abort();
-+}
-+
-+static int
-+fetch_arg(struct fetch_context *context,
-+ struct Process *proc, struct arg_type_info *info,
-+ struct value *value, struct fetch_script how)
-+{
-+ if (convert_arg(value, how) < 0)
-+ return -1;
-+
-+ switch (how.f) {
-+ case FETCH_NOP:
-+ return 0;
-+
-+ case FETCH_STACK:
-+ if (how.hfa_t != NULL && how.count != 0 && how.count <= 8)
-+ context->nsrn = 8;
-+ return fetch_stack(context, value,
-+ type_alignof(proc, info), how.sz);
-+
-+ case FETCH_GPR:
-+ return fetch_gpr(context, value, how.sz);
-+
-+ case FETCH_SSE:
-+ return fetch_sse(context, value, how.sz);
-+
-+ case FETCH_HFA:
-+ return fetch_hfa(context, value, how.hfa_t, how.count);
-+ }
-+
-+ assert(! "Don't know how to fetch argument.");
-+ abort();
-+}
-+
-+struct fetch_context *
-+arch_fetch_arg_init(enum tof type, struct Process *proc,
-+ struct arg_type_info *ret_info)
-+{
-+ struct fetch_context *context = malloc(sizeof *context);
-+ if (context == NULL || context_init(context, proc) < 0) {
-+ fail:
-+ free(context);
-+ return NULL;
-+ }
-+
-+ /* There's a provision in ARMv8 parameter passing convention
-+ * for returning types that, if passed as first argument to a
-+ * function, would be passed on stack. For those types, x8
-+ * contains an address where the return argument should be
-+ * placed. The callee doesn't need to preserve the value of
-+ * x8, so we need to fetch it now.
-+ *
-+ * To my knowledge, there are currently no types where this
-+ * holds, but the code is here, utterly untested. */
-+
-+ struct fetch_script how = pass_arg(context, proc, ret_info);
-+ if (how.c == CVT_ERR)
-+ goto fail;
-+ if (how.c == CVT_NOP && how.f == FETCH_STACK) {
-+ /* XXX double cast. */
-+ context->x8 = (arch_addr_t) (uintptr_t) context->gregs.regs[8];
-+ /* See the comment above about the assert. */
-+ assert(! "Unexpected: first argument passed on stack.");
-+ abort();
-+ }
-+
-+ return context;
-+}
-+
-+int
-+arch_fetch_arg_next(struct fetch_context *context, enum tof type,
-+ struct Process *proc, struct arg_type_info *info,
-+ struct value *value)
-+{
-+ return fetch_arg(context, proc, info, value,
-+ pass_arg(context, proc, info));
-+}
-+
-+int
-+arch_fetch_retval(struct fetch_context *context, enum tof type,
-+ struct Process *proc, struct arg_type_info *info,
-+ struct value *value)
-+{
-+ if (context->x8 != 0) {
-+ value_in_inferior(value, context->x8);
-+ return 0;
-+ }
-+
-+ if (context_init(context, proc) < 0)
-+ return -1;
-+
-+ return fetch_arg(context, proc, info, value,
-+ pass_arg(context, proc, info));
-+}
-+
-+void
-+arch_fetch_arg_done(struct fetch_context *context)
-+{
-+ if (context != NULL)
-+ free(context);
-+}
-+
-+size_t
-+arch_type_sizeof(struct Process *proc, struct arg_type_info *arg)
-+{
-+ return (size_t) -2;
-+}
-+
-+size_t
-+arch_type_alignof(struct Process *proc, struct arg_type_info *arg)
-+{
-+ return (size_t) -2;
-+}
-diff --git a/sysdeps/linux-gnu/aarch64/plt.c b/sysdeps/linux-gnu/aarch64/plt.c
-new file mode 100644
-index 0000000..29dc4c9
---- /dev/null
-+++ b/sysdeps/linux-gnu/aarch64/plt.c
-@@ -0,0 +1,38 @@
-+/*
-+ * This file is part of ltrace.
-+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License as
-+ * published by the Free Software Foundation; either version 2 of the
-+ * License, or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+ * 02110-1301 USA
-+ */
-+
-+#include <gelf.h>
-+
-+#include "backend.h"
-+#include "proc.h"
-+#include "library.h"
-+#include "ltrace-elf.h"
-+
-+arch_addr_t
-+sym2addr(struct Process *proc, struct library_symbol *sym)
-+{
-+ return sym->enter_addr;
-+}
-+
-+GElf_Addr
-+arch_plt_sym_val(struct ltelf *lte, size_t ndx, GElf_Rela *rela)
-+{
-+ return lte->plt_addr + 32 + ndx * 16;
-+}
-diff --git a/sysdeps/linux-gnu/aarch64/ptrace.h b/sysdeps/linux-gnu/aarch64/ptrace.h
-new file mode 100644
-index 0000000..283c314
---- /dev/null
-+++ b/sysdeps/linux-gnu/aarch64/ptrace.h
-@@ -0,0 +1,22 @@
-+/*
-+ * This file is part of ltrace.
-+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License as
-+ * published by the Free Software Foundation; either version 2 of the
-+ * License, or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+ * 02110-1301 USA
-+ */
-+
-+#include <sys/ptrace.h>
-+#include <asm/ptrace.h>
-diff --git a/sysdeps/linux-gnu/aarch64/regs.c b/sysdeps/linux-gnu/aarch64/regs.c
-new file mode 100644
-index 0000000..06eb72b
---- /dev/null
-+++ b/sysdeps/linux-gnu/aarch64/regs.c
-@@ -0,0 +1,131 @@
-+/*
-+ * This file is part of ltrace.
-+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License as
-+ * published by the Free Software Foundation; either version 2 of the
-+ * License, or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+ * 02110-1301 USA
-+ */
-+
-+#include <sys/ptrace.h>
-+#include <asm/ptrace.h>
-+#include <linux/uio.h>
-+#include <assert.h>
-+#include <stdlib.h>
-+#include <stdio.h>
-+
-+#include "backend.h"
-+#include "proc.h"
-+
-+#define PC_OFF (32 * 4)
-+
-+int
-+aarch64_read_gregs(struct Process *proc, struct user_pt_regs *regs)
-+{
-+ *regs = (struct user_pt_regs) {};
-+ struct iovec iovec;
-+ iovec.iov_base = regs;
-+ iovec.iov_len = sizeof *regs;
-+ return ptrace(PTRACE_GETREGSET, proc->pid, NT_PRSTATUS, &iovec) < 0
-+ ? -1 : 0;
-+}
-+
-+int
-+aarch64_write_gregs(struct Process *proc, struct user_pt_regs *regs)
-+{
-+ struct iovec iovec;
-+ iovec.iov_base = regs;
-+ iovec.iov_len = sizeof *regs;
-+ return ptrace(PTRACE_SETREGSET, proc->pid, NT_PRSTATUS, &iovec) < 0
-+ ? -1 : 0;
-+}
-+
-+int
-+aarch64_read_fregs(struct Process *proc, struct user_fpsimd_state *regs)
-+{
-+ *regs = (struct user_fpsimd_state) {};
-+ struct iovec iovec;
-+ iovec.iov_base = regs;
-+ iovec.iov_len = sizeof *regs;
-+ return ptrace(PTRACE_GETREGSET, proc->pid, NT_FPREGSET, &iovec) < 0
-+ ? -1 : 0;
-+}
-+
-+arch_addr_t
-+get_instruction_pointer(struct Process *proc)
-+{
-+ struct user_pt_regs regs;
-+ if (aarch64_read_gregs(proc, &regs) < 0) {
-+ fprintf(stderr, "get_instruction_pointer: "
-+ "Couldn't read registers of %d.\n", proc->pid);
-+ return 0;
-+ }
-+
-+ /*
-+ char buf[128];
-+ sprintf(buf, "cat /proc/%d/maps", proc->pid);
-+ system(buf);
-+ */
-+
-+ /* XXX double cast */
-+ return (arch_addr_t) (uintptr_t) regs.pc;
-+}
-+
-+void
-+set_instruction_pointer(struct Process *proc, arch_addr_t addr)
-+{
-+ struct user_pt_regs regs;
-+ if (aarch64_read_gregs(proc, &regs) < 0) {
-+ fprintf(stderr, "get_instruction_pointer: "
-+ "Couldn't read registers of %d.\n", proc->pid);
-+ return;
-+ }
-+
-+ /* XXX double cast */
-+ regs.pc = (uint64_t) (uintptr_t) addr;
-+
-+ if (aarch64_write_gregs(proc, &regs) < 0) {
-+ fprintf(stderr, "get_instruction_pointer: "
-+ "Couldn't write registers of %d.\n", proc->pid);
-+ return;
-+ }
-+}
-+
-+arch_addr_t
-+get_stack_pointer(struct Process *proc)
-+{
-+ struct user_pt_regs regs;
-+ if (aarch64_read_gregs(proc, &regs) < 0) {
-+ fprintf(stderr, "get_stack_pointer: "
-+ "Couldn't read registers of %d.\n", proc->pid);
-+ return 0;
-+ }
-+
-+ /* XXX double cast */
-+ return (arch_addr_t) (uintptr_t) regs.sp;
-+}
-+
-+arch_addr_t
-+get_return_addr(struct Process *proc, arch_addr_t stack_pointer)
-+{
-+ struct user_pt_regs regs;
-+ if (aarch64_read_gregs(proc, &regs) < 0) {
-+ fprintf(stderr, "get_return_addr: "
-+ "Couldn't read registers of %d.\n", proc->pid);
-+ return 0;
-+ }
-+
-+ /* XXX double cast */
-+ return (arch_addr_t) (uintptr_t) regs.regs[30];
-+}
-diff --git a/sysdeps/linux-gnu/aarch64/signalent.h b/sysdeps/linux-gnu/aarch64/signalent.h
-new file mode 100644
-index 0000000..bf56ebc
---- /dev/null
-+++ b/sysdeps/linux-gnu/aarch64/signalent.h
-@@ -0,0 +1,52 @@
-+/*
-+ * This file is part of ltrace.
-+ * Copyright (C) 2006 Ian Wienand
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License as
-+ * published by the Free Software Foundation; either version 2 of the
-+ * License, or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+ * 02110-1301 USA
-+ */
-+
-+ "SIG_0", /* 0 */
-+ "SIGHUP", /* 1 */
-+ "SIGINT", /* 2 */
-+ "SIGQUIT", /* 3 */
-+ "SIGILL", /* 4 */
-+ "SIGTRAP", /* 5 */
-+ "SIGABRT", /* 6 */
-+ "SIGBUS", /* 7 */
-+ "SIGFPE", /* 8 */
-+ "SIGKILL", /* 9 */
-+ "SIGUSR1", /* 10 */
-+ "SIGSEGV", /* 11 */
-+ "SIGUSR2", /* 12 */
-+ "SIGPIPE", /* 13 */
-+ "SIGALRM", /* 14 */
-+ "SIGTERM", /* 15 */
-+ "SIGSTKFLT", /* 16 */
-+ "SIGCHLD", /* 17 */
-+ "SIGCONT", /* 18 */
-+ "SIGSTOP", /* 19 */
-+ "SIGTSTP", /* 20 */
-+ "SIGTTIN", /* 21 */
-+ "SIGTTOU", /* 22 */
-+ "SIGURG", /* 23 */
-+ "SIGXCPU", /* 24 */
-+ "SIGXFSZ", /* 25 */
-+ "SIGVTALRM", /* 26 */
-+ "SIGPROF", /* 27 */
-+ "SIGWINCH", /* 28 */
-+ "SIGIO", /* 29 */
-+ "SIGPWR", /* 30 */
-+ "SIGSYS", /* 31 */
-diff --git a/sysdeps/linux-gnu/aarch64/syscallent.h b/sysdeps/linux-gnu/aarch64/syscallent.h
-new file mode 100644
-index 0000000..aca8191
---- /dev/null
-+++ b/sysdeps/linux-gnu/aarch64/syscallent.h
-@@ -0,0 +1,1100 @@
-+/*
-+ * This file is part of ltrace.
-+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License as
-+ * published by the Free Software Foundation; either version 2 of the
-+ * License, or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+ * 02110-1301 USA
-+ */
-+
-+ "io_setup", /* 0 */
-+ "io_destroy", /* 1 */
-+ "io_submit", /* 2 */
-+ "io_cancel", /* 3 */
-+ "io_getevents", /* 4 */
-+ "setxattr", /* 5 */
-+ "lsetxattr", /* 6 */
-+ "fsetxattr", /* 7 */
-+ "getxattr", /* 8 */
-+ "lgetxattr", /* 9 */
-+ "fgetxattr", /* 10 */
-+ "listxattr", /* 11 */
-+ "llistxattr", /* 12 */
-+ "flistxattr", /* 13 */
-+ "removexattr", /* 14 */
-+ "lremovexattr", /* 15 */
-+ "fremovexattr", /* 16 */
-+ "getcwd", /* 17 */
-+ "lookup_dcookie", /* 18 */
-+ "eventfd2", /* 19 */
-+ "epoll_create1", /* 20 */
-+ "epoll_ctl", /* 21 */
-+ "epoll_pwait", /* 22 */
-+ "dup", /* 23 */
-+ "dup3", /* 24 */
-+ "fcntl", /* 25 */
-+ "inotify_init1", /* 26 */
-+ "inotify_add_watch", /* 27 */
-+ "inotify_rm_watch", /* 28 */
-+ "ioctl", /* 29 */
-+ "ioprio_set", /* 30 */
-+ "ioprio_get", /* 31 */
-+ "flock", /* 32 */
-+ "mknodat", /* 33 */
-+ "mkdirat", /* 34 */
-+ "unlinkat", /* 35 */
-+ "symlinkat", /* 36 */
-+ "linkat", /* 37 */
-+ "renameat", /* 38 */
-+ "umount2", /* 39 */
-+ "mount", /* 40 */
-+ "pivot_root", /* 41 */
-+ "nfsservctl", /* 42 */
-+ "statfs", /* 43 */
-+ "fstatfs", /* 44 */
-+ "truncate", /* 45 */
-+ "ftruncate", /* 46 */
-+ "fallocate", /* 47 */
-+ "faccessat", /* 48 */
-+ "chdir", /* 49 */
-+ "fchdir", /* 50 */
-+ "chroot", /* 51 */
-+ "fchmod", /* 52 */
-+ "fchmodat", /* 53 */
-+ "fchownat", /* 54 */
-+ "fchown", /* 55 */
-+ "openat", /* 56 */
-+ "close", /* 57 */
-+ "vhangup", /* 58 */
-+ "pipe2", /* 59 */
-+ "quotactl", /* 60 */
-+ "getdents64", /* 61 */
-+ "lseek", /* 62 */
-+ "read", /* 63 */
-+ "write", /* 64 */
-+ "readv", /* 65 */
-+ "writev", /* 66 */
-+ "pread64", /* 67 */
-+ "pwrite64", /* 68 */
-+ "preadv", /* 69 */
-+ "pwritev", /* 70 */
-+ "sendfile", /* 71 */
-+ "pselect6", /* 72 */
-+ "ppoll", /* 73 */
-+ "signalfd4", /* 74 */
-+ "vmsplice", /* 75 */
-+ "splice", /* 76 */
-+ "tee", /* 77 */
-+ "readlinkat", /* 78 */
-+ "fstatat", /* 79 */
-+ "fstat", /* 80 */
-+ "sync", /* 81 */
-+ "fsync", /* 82 */
-+ "fdatasync", /* 83 */
-+ "sync_file_range", /* 84 */
-+ "timerfd_create", /* 85 */
-+ "timerfd_settime", /* 86 */
-+ "timerfd_gettime", /* 87 */
-+ "utimensat", /* 88 */
-+ "acct", /* 89 */
-+ "capget", /* 90 */
-+ "capset", /* 91 */
-+ "personality", /* 92 */
-+ "exit", /* 93 */
-+ "exit_group", /* 94 */
-+ "waitid", /* 95 */
-+ "set_tid_address", /* 96 */
-+ "unshare", /* 97 */
-+ "futex", /* 98 */
-+ "set_robust_list", /* 99 */
-+ "get_robust_list", /* 100 */
-+ "nanosleep", /* 101 */
-+ "getitimer", /* 102 */
-+ "setitimer", /* 103 */
-+ "kexec_load", /* 104 */
-+ "init_module", /* 105 */
-+ "delete_module", /* 106 */
-+ "timer_create", /* 107 */
-+ "timer_gettime", /* 108 */
-+ "timer_getoverrun", /* 109 */
-+ "timer_settime", /* 110 */
-+ "timer_delete", /* 111 */
-+ "clock_settime", /* 112 */
-+ "clock_gettime", /* 113 */
-+ "clock_getres", /* 114 */
-+ "clock_nanosleep", /* 115 */
-+ "syslog", /* 116 */
-+ "ptrace", /* 117 */
-+ "sched_setparam", /* 118 */
-+ "sched_setscheduler", /* 119 */
-+ "sched_getscheduler", /* 120 */
-+ "sched_getparam", /* 121 */
-+ "sched_setaffinity", /* 122 */
-+ "sched_getaffinity", /* 123 */
-+ "sched_yield", /* 124 */
-+ "sched_get_priority_max", /* 125 */
-+ "sched_get_priority_min", /* 126 */
-+ "sched_rr_get_interval", /* 127 */
-+ "restart_syscall", /* 128 */
-+ "kill", /* 129 */
-+ "tkill", /* 130 */
-+ "tgkill", /* 131 */
-+ "sigaltstack", /* 132 */
-+ "rt_sigsuspend", /* 133 */
-+ "rt_sigaction", /* 134 */
-+ "rt_sigprocmask", /* 135 */
-+ "rt_sigpending", /* 136 */
-+ "rt_sigtimedwait", /* 137 */
-+ "rt_sigqueueinfo", /* 138 */
-+ "rt_sigreturn", /* 139 */
-+ "setpriority", /* 140 */
-+ "getpriority", /* 141 */
-+ "reboot", /* 142 */
-+ "setregid", /* 143 */
-+ "setgid", /* 144 */
-+ "setreuid", /* 145 */
-+ "setuid", /* 146 */
-+ "setresuid", /* 147 */
-+ "getresuid", /* 148 */
-+ "setresgid", /* 149 */
-+ "getresgid", /* 150 */
-+ "setfsuid", /* 151 */
-+ "setfsgid", /* 152 */
-+ "times", /* 153 */
-+ "setpgid", /* 154 */
-+ "getpgid", /* 155 */
-+ "getsid", /* 156 */
-+ "setsid", /* 157 */
-+ "getgroups", /* 158 */
-+ "setgroups", /* 159 */
-+ "uname", /* 160 */
-+ "sethostname", /* 161 */
-+ "setdomainname", /* 162 */
-+ "getrlimit", /* 163 */
-+ "setrlimit", /* 164 */
-+ "getrusage", /* 165 */
-+ "umask", /* 166 */
-+ "prctl", /* 167 */
-+ "getcpu", /* 168 */
-+ "gettimeofday", /* 169 */
-+ "settimeofday", /* 170 */
-+ "adjtimex", /* 171 */
-+ "getpid", /* 172 */
-+ "getppid", /* 173 */
-+ "getuid", /* 174 */
-+ "geteuid", /* 175 */
-+ "getgid", /* 176 */
-+ "getegid", /* 177 */
-+ "gettid", /* 178 */
-+ "sysinfo", /* 179 */
-+ "mq_open", /* 180 */
-+ "mq_unlink", /* 181 */
-+ "mq_timedsend", /* 182 */
-+ "mq_timedreceive", /* 183 */
-+ "mq_notify", /* 184 */
-+ "mq_getsetattr", /* 185 */
-+ "msgget", /* 186 */
-+ "msgctl", /* 187 */
-+ "msgrcv", /* 188 */
-+ "msgsnd", /* 189 */
-+ "semget", /* 190 */
-+ "semctl", /* 191 */
-+ "semtimedop", /* 192 */
-+ "semop", /* 193 */
-+ "shmget", /* 194 */
-+ "shmctl", /* 195 */
-+ "shmat", /* 196 */
-+ "shmdt", /* 197 */
-+ "socket", /* 198 */
-+ "socketpair", /* 199 */
-+ "bind", /* 200 */
-+ "listen", /* 201 */
-+ "accept", /* 202 */
-+ "connect", /* 203 */
-+ "getsockname", /* 204 */
-+ "getpeername", /* 205 */
-+ "sendto", /* 206 */
-+ "recvfrom", /* 207 */
-+ "setsockopt", /* 208 */
-+ "getsockopt", /* 209 */
-+ "shutdown", /* 210 */
-+ "sendmsg", /* 211 */
-+ "recvmsg", /* 212 */
-+ "readahead", /* 213 */
-+ "brk", /* 214 */
-+ "munmap", /* 215 */
-+ "mremap", /* 216 */
-+ "add_key", /* 217 */
-+ "request_key", /* 218 */
-+ "keyctl", /* 219 */
-+ "clone", /* 220 */
-+ "execve", /* 221 */
-+ "mmap", /* 222 */
-+ "fadvise64", /* 223 */
-+ "swapon", /* 224 */
-+ "swapoff", /* 225 */
-+ "mprotect", /* 226 */
-+ "msync", /* 227 */
-+ "mlock", /* 228 */
-+ "munlock", /* 229 */
-+ "mlockall", /* 230 */
-+ "munlockall", /* 231 */
-+ "mincore", /* 232 */
-+ "madvise", /* 233 */
-+ "remap_file_pages", /* 234 */
-+ "mbind", /* 235 */
-+ "get_mempolicy", /* 236 */
-+ "set_mempolicy", /* 237 */
-+ "migrate_pages", /* 238 */
-+ "move_pages", /* 239 */
-+ "rt_tgsigqueueinfo", /* 240 */
-+ "perf_event_open", /* 241 */
-+ "accept4", /* 242 */
-+ "recvmmsg", /* 243 */
-+ "arch_specific_syscall", /* 244 */
-+ "245", /* 245 */
-+ "246", /* 246 */
-+ "247", /* 247 */
-+ "248", /* 248 */
-+ "249", /* 249 */
-+ "250", /* 250 */
-+ "251", /* 251 */
-+ "252", /* 252 */
-+ "253", /* 253 */
-+ "254", /* 254 */
-+ "255", /* 255 */
-+ "256", /* 256 */
-+ "257", /* 257 */
-+ "258", /* 258 */
-+ "259", /* 259 */
-+ "wait4", /* 260 */
-+ "prlimit64", /* 261 */
-+ "fanotify_init", /* 262 */
-+ "fanotify_mark", /* 263 */
-+ "name_to_handle_at", /* 264 */
-+ "open_by_handle_at", /* 265 */
-+ "clock_adjtime", /* 266 */
-+ "syncfs", /* 267 */
-+ "setns", /* 268 */
-+ "sendmmsg", /* 269 */
-+ "process_vm_readv", /* 270 */
-+ "process_vm_writev", /* 271 */
-+ "kcmp", /* 272 */
-+ "finit_module", /* 273 */
-+ "syscalls", /* 274 */
-+ "275", /* 275 */
-+ "276", /* 276 */
-+ "277", /* 277 */
-+ "278", /* 278 */
-+ "279", /* 279 */
-+ "280", /* 280 */
-+ "281", /* 281 */
-+ "282", /* 282 */
-+ "283", /* 283 */
-+ "284", /* 284 */
-+ "285", /* 285 */
-+ "286", /* 286 */
-+ "287", /* 287 */
-+ "288", /* 288 */
-+ "289", /* 289 */
-+ "290", /* 290 */
-+ "291", /* 291 */
-+ "292", /* 292 */
-+ "293", /* 293 */
-+ "294", /* 294 */
-+ "295", /* 295 */
-+ "296", /* 296 */
-+ "297", /* 297 */
-+ "298", /* 298 */
-+ "299", /* 299 */
-+ "300", /* 300 */
-+ "301", /* 301 */
-+ "302", /* 302 */
-+ "303", /* 303 */
-+ "304", /* 304 */
-+ "305", /* 305 */
-+ "306", /* 306 */
-+ "307", /* 307 */
-+ "308", /* 308 */
-+ "309", /* 309 */
-+ "310", /* 310 */
-+ "311", /* 311 */
-+ "312", /* 312 */
-+ "313", /* 313 */
-+ "314", /* 314 */
-+ "315", /* 315 */
-+ "316", /* 316 */
-+ "317", /* 317 */
-+ "318", /* 318 */
-+ "319", /* 319 */
-+ "320", /* 320 */
-+ "321", /* 321 */
-+ "322", /* 322 */
-+ "323", /* 323 */
-+ "324", /* 324 */
-+ "325", /* 325 */
-+ "326", /* 326 */
-+ "327", /* 327 */
-+ "328", /* 328 */
-+ "329", /* 329 */
-+ "330", /* 330 */
-+ "331", /* 331 */
-+ "332", /* 332 */
-+ "333", /* 333 */
-+ "334", /* 334 */
-+ "335", /* 335 */
-+ "336", /* 336 */
-+ "337", /* 337 */
-+ "338", /* 338 */
-+ "339", /* 339 */
-+ "340", /* 340 */
-+ "341", /* 341 */
-+ "342", /* 342 */
-+ "343", /* 343 */
-+ "344", /* 344 */
-+ "345", /* 345 */
-+ "346", /* 346 */
-+ "347", /* 347 */
-+ "348", /* 348 */
-+ "349", /* 349 */
-+ "350", /* 350 */
-+ "351", /* 351 */
-+ "352", /* 352 */
-+ "353", /* 353 */
-+ "354", /* 354 */
-+ "355", /* 355 */
-+ "356", /* 356 */
-+ "357", /* 357 */
-+ "358", /* 358 */
-+ "359", /* 359 */
-+ "360", /* 360 */
-+ "361", /* 361 */
-+ "362", /* 362 */
-+ "363", /* 363 */
-+ "364", /* 364 */
-+ "365", /* 365 */
-+ "366", /* 366 */
-+ "367", /* 367 */
-+ "368", /* 368 */
-+ "369", /* 369 */
-+ "370", /* 370 */
-+ "371", /* 371 */
-+ "372", /* 372 */
-+ "373", /* 373 */
-+ "374", /* 374 */
-+ "375", /* 375 */
-+ "376", /* 376 */
-+ "377", /* 377 */
-+ "378", /* 378 */
-+ "379", /* 379 */
-+ "380", /* 380 */
-+ "381", /* 381 */
-+ "382", /* 382 */
-+ "383", /* 383 */
-+ "384", /* 384 */
-+ "385", /* 385 */
-+ "386", /* 386 */
-+ "387", /* 387 */
-+ "388", /* 388 */
-+ "389", /* 389 */
-+ "390", /* 390 */
-+ "391", /* 391 */
-+ "392", /* 392 */
-+ "393", /* 393 */
-+ "394", /* 394 */
-+ "395", /* 395 */
-+ "396", /* 396 */
-+ "397", /* 397 */
-+ "398", /* 398 */
-+ "399", /* 399 */
-+ "400", /* 400 */
-+ "401", /* 401 */
-+ "402", /* 402 */
-+ "403", /* 403 */
-+ "404", /* 404 */
-+ "405", /* 405 */
-+ "406", /* 406 */
-+ "407", /* 407 */
-+ "408", /* 408 */
-+ "409", /* 409 */
-+ "410", /* 410 */
-+ "411", /* 411 */
-+ "412", /* 412 */
-+ "413", /* 413 */
-+ "414", /* 414 */
-+ "415", /* 415 */
-+ "416", /* 416 */
-+ "417", /* 417 */
-+ "418", /* 418 */
-+ "419", /* 419 */
-+ "420", /* 420 */
-+ "421", /* 421 */
-+ "422", /* 422 */
-+ "423", /* 423 */
-+ "424", /* 424 */
-+ "425", /* 425 */
-+ "426", /* 426 */
-+ "427", /* 427 */
-+ "428", /* 428 */
-+ "429", /* 429 */
-+ "430", /* 430 */
-+ "431", /* 431 */
-+ "432", /* 432 */
-+ "433", /* 433 */
-+ "434", /* 434 */
-+ "435", /* 435 */
-+ "436", /* 436 */
-+ "437", /* 437 */
-+ "438", /* 438 */
-+ "439", /* 439 */
-+ "440", /* 440 */
-+ "441", /* 441 */
-+ "442", /* 442 */
-+ "443", /* 443 */
-+ "444", /* 444 */
-+ "445", /* 445 */
-+ "446", /* 446 */
-+ "447", /* 447 */
-+ "448", /* 448 */
-+ "449", /* 449 */
-+ "450", /* 450 */
-+ "451", /* 451 */
-+ "452", /* 452 */
-+ "453", /* 453 */
-+ "454", /* 454 */
-+ "455", /* 455 */
-+ "456", /* 456 */
-+ "457", /* 457 */
-+ "458", /* 458 */
-+ "459", /* 459 */
-+ "460", /* 460 */
-+ "461", /* 461 */
-+ "462", /* 462 */
-+ "463", /* 463 */
-+ "464", /* 464 */
-+ "465", /* 465 */
-+ "466", /* 466 */
-+ "467", /* 467 */
-+ "468", /* 468 */
-+ "469", /* 469 */
-+ "470", /* 470 */
-+ "471", /* 471 */
-+ "472", /* 472 */
-+ "473", /* 473 */
-+ "474", /* 474 */
-+ "475", /* 475 */
-+ "476", /* 476 */
-+ "477", /* 477 */
-+ "478", /* 478 */
-+ "479", /* 479 */
-+ "480", /* 480 */
-+ "481", /* 481 */
-+ "482", /* 482 */
-+ "483", /* 483 */
-+ "484", /* 484 */
-+ "485", /* 485 */
-+ "486", /* 486 */
-+ "487", /* 487 */
-+ "488", /* 488 */
-+ "489", /* 489 */
-+ "490", /* 490 */
-+ "491", /* 491 */
-+ "492", /* 492 */
-+ "493", /* 493 */
-+ "494", /* 494 */
-+ "495", /* 495 */
-+ "496", /* 496 */
-+ "497", /* 497 */
-+ "498", /* 498 */
-+ "499", /* 499 */
-+ "500", /* 500 */
-+ "501", /* 501 */
-+ "502", /* 502 */
-+ "503", /* 503 */
-+ "504", /* 504 */
-+ "505", /* 505 */
-+ "506", /* 506 */
-+ "507", /* 507 */
-+ "508", /* 508 */
-+ "509", /* 509 */
-+ "510", /* 510 */
-+ "511", /* 511 */
-+ "512", /* 512 */
-+ "513", /* 513 */
-+ "514", /* 514 */
-+ "515", /* 515 */
-+ "516", /* 516 */
-+ "517", /* 517 */
-+ "518", /* 518 */
-+ "519", /* 519 */
-+ "520", /* 520 */
-+ "521", /* 521 */
-+ "522", /* 522 */
-+ "523", /* 523 */
-+ "524", /* 524 */
-+ "525", /* 525 */
-+ "526", /* 526 */
-+ "527", /* 527 */
-+ "528", /* 528 */
-+ "529", /* 529 */
-+ "530", /* 530 */
-+ "531", /* 531 */
-+ "532", /* 532 */
-+ "533", /* 533 */
-+ "534", /* 534 */
-+ "535", /* 535 */
-+ "536", /* 536 */
-+ "537", /* 537 */
-+ "538", /* 538 */
-+ "539", /* 539 */
-+ "540", /* 540 */
-+ "541", /* 541 */
-+ "542", /* 542 */
-+ "543", /* 543 */
-+ "544", /* 544 */
-+ "545", /* 545 */
-+ "546", /* 546 */
-+ "547", /* 547 */
-+ "548", /* 548 */
-+ "549", /* 549 */
-+ "550", /* 550 */
-+ "551", /* 551 */
-+ "552", /* 552 */
-+ "553", /* 553 */
-+ "554", /* 554 */
-+ "555", /* 555 */
-+ "556", /* 556 */
-+ "557", /* 557 */
-+ "558", /* 558 */
-+ "559", /* 559 */
-+ "560", /* 560 */
-+ "561", /* 561 */
-+ "562", /* 562 */
-+ "563", /* 563 */
-+ "564", /* 564 */
-+ "565", /* 565 */
-+ "566", /* 566 */
-+ "567", /* 567 */
-+ "568", /* 568 */
-+ "569", /* 569 */
-+ "570", /* 570 */
-+ "571", /* 571 */
-+ "572", /* 572 */
-+ "573", /* 573 */
-+ "574", /* 574 */
-+ "575", /* 575 */
-+ "576", /* 576 */
-+ "577", /* 577 */
-+ "578", /* 578 */
-+ "579", /* 579 */
-+ "580", /* 580 */
-+ "581", /* 581 */
-+ "582", /* 582 */
-+ "583", /* 583 */
-+ "584", /* 584 */
-+ "585", /* 585 */
-+ "586", /* 586 */
-+ "587", /* 587 */
-+ "588", /* 588 */
-+ "589", /* 589 */
-+ "590", /* 590 */
-+ "591", /* 591 */
-+ "592", /* 592 */
-+ "593", /* 593 */
-+ "594", /* 594 */
-+ "595", /* 595 */
-+ "596", /* 596 */
-+ "597", /* 597 */
-+ "598", /* 598 */
-+ "599", /* 599 */
-+ "600", /* 600 */
-+ "601", /* 601 */
-+ "602", /* 602 */
-+ "603", /* 603 */
-+ "604", /* 604 */
-+ "605", /* 605 */
-+ "606", /* 606 */
-+ "607", /* 607 */
-+ "608", /* 608 */
-+ "609", /* 609 */
-+ "610", /* 610 */
-+ "611", /* 611 */
-+ "612", /* 612 */
-+ "613", /* 613 */
-+ "614", /* 614 */
-+ "615", /* 615 */
-+ "616", /* 616 */
-+ "617", /* 617 */
-+ "618", /* 618 */
-+ "619", /* 619 */
-+ "620", /* 620 */
-+ "621", /* 621 */
-+ "622", /* 622 */
-+ "623", /* 623 */
-+ "624", /* 624 */
-+ "625", /* 625 */
-+ "626", /* 626 */
-+ "627", /* 627 */
-+ "628", /* 628 */
-+ "629", /* 629 */
-+ "630", /* 630 */
-+ "631", /* 631 */
-+ "632", /* 632 */
-+ "633", /* 633 */
-+ "634", /* 634 */
-+ "635", /* 635 */
-+ "636", /* 636 */
-+ "637", /* 637 */
-+ "638", /* 638 */
-+ "639", /* 639 */
-+ "640", /* 640 */
-+ "641", /* 641 */
-+ "642", /* 642 */
-+ "643", /* 643 */
-+ "644", /* 644 */
-+ "645", /* 645 */
-+ "646", /* 646 */
-+ "647", /* 647 */
-+ "648", /* 648 */
-+ "649", /* 649 */
-+ "650", /* 650 */
-+ "651", /* 651 */
-+ "652", /* 652 */
-+ "653", /* 653 */
-+ "654", /* 654 */
-+ "655", /* 655 */
-+ "656", /* 656 */
-+ "657", /* 657 */
-+ "658", /* 658 */
-+ "659", /* 659 */
-+ "660", /* 660 */
-+ "661", /* 661 */
-+ "662", /* 662 */
-+ "663", /* 663 */
-+ "664", /* 664 */
-+ "665", /* 665 */
-+ "666", /* 666 */
-+ "667", /* 667 */
-+ "668", /* 668 */
-+ "669", /* 669 */
-+ "670", /* 670 */
-+ "671", /* 671 */
-+ "672", /* 672 */
-+ "673", /* 673 */
-+ "674", /* 674 */
-+ "675", /* 675 */
-+ "676", /* 676 */
-+ "677", /* 677 */
-+ "678", /* 678 */
-+ "679", /* 679 */
-+ "680", /* 680 */
-+ "681", /* 681 */
-+ "682", /* 682 */
-+ "683", /* 683 */
-+ "684", /* 684 */
-+ "685", /* 685 */
-+ "686", /* 686 */
-+ "687", /* 687 */
-+ "688", /* 688 */
-+ "689", /* 689 */
-+ "690", /* 690 */
-+ "691", /* 691 */
-+ "692", /* 692 */
-+ "693", /* 693 */
-+ "694", /* 694 */
-+ "695", /* 695 */
-+ "696", /* 696 */
-+ "697", /* 697 */
-+ "698", /* 698 */
-+ "699", /* 699 */
-+ "700", /* 700 */
-+ "701", /* 701 */
-+ "702", /* 702 */
-+ "703", /* 703 */
-+ "704", /* 704 */
-+ "705", /* 705 */
-+ "706", /* 706 */
-+ "707", /* 707 */
-+ "708", /* 708 */
-+ "709", /* 709 */
-+ "710", /* 710 */
-+ "711", /* 711 */
-+ "712", /* 712 */
-+ "713", /* 713 */
-+ "714", /* 714 */
-+ "715", /* 715 */
-+ "716", /* 716 */
-+ "717", /* 717 */
-+ "718", /* 718 */
-+ "719", /* 719 */
-+ "720", /* 720 */
-+ "721", /* 721 */
-+ "722", /* 722 */
-+ "723", /* 723 */
-+ "724", /* 724 */
-+ "725", /* 725 */
-+ "726", /* 726 */
-+ "727", /* 727 */
-+ "728", /* 728 */
-+ "729", /* 729 */
-+ "730", /* 730 */
-+ "731", /* 731 */
-+ "732", /* 732 */
-+ "733", /* 733 */
-+ "734", /* 734 */
-+ "735", /* 735 */
-+ "736", /* 736 */
-+ "737", /* 737 */
-+ "738", /* 738 */
-+ "739", /* 739 */
-+ "740", /* 740 */
-+ "741", /* 741 */
-+ "742", /* 742 */
-+ "743", /* 743 */
-+ "744", /* 744 */
-+ "745", /* 745 */
-+ "746", /* 746 */
-+ "747", /* 747 */
-+ "748", /* 748 */
-+ "749", /* 749 */
-+ "750", /* 750 */
-+ "751", /* 751 */
-+ "752", /* 752 */
-+ "753", /* 753 */
-+ "754", /* 754 */
-+ "755", /* 755 */
-+ "756", /* 756 */
-+ "757", /* 757 */
-+ "758", /* 758 */
-+ "759", /* 759 */
-+ "760", /* 760 */
-+ "761", /* 761 */
-+ "762", /* 762 */
-+ "763", /* 763 */
-+ "764", /* 764 */
-+ "765", /* 765 */
-+ "766", /* 766 */
-+ "767", /* 767 */
-+ "768", /* 768 */
-+ "769", /* 769 */
-+ "770", /* 770 */
-+ "771", /* 771 */
-+ "772", /* 772 */
-+ "773", /* 773 */
-+ "774", /* 774 */
-+ "775", /* 775 */
-+ "776", /* 776 */
-+ "777", /* 777 */
-+ "778", /* 778 */
-+ "779", /* 779 */
-+ "780", /* 780 */
-+ "781", /* 781 */
-+ "782", /* 782 */
-+ "783", /* 783 */
-+ "784", /* 784 */
-+ "785", /* 785 */
-+ "786", /* 786 */
-+ "787", /* 787 */
-+ "788", /* 788 */
-+ "789", /* 789 */
-+ "790", /* 790 */
-+ "791", /* 791 */
-+ "792", /* 792 */
-+ "793", /* 793 */
-+ "794", /* 794 */
-+ "795", /* 795 */
-+ "796", /* 796 */
-+ "797", /* 797 */
-+ "798", /* 798 */
-+ "799", /* 799 */
-+ "800", /* 800 */
-+ "801", /* 801 */
-+ "802", /* 802 */
-+ "803", /* 803 */
-+ "804", /* 804 */
-+ "805", /* 805 */
-+ "806", /* 806 */
-+ "807", /* 807 */
-+ "808", /* 808 */
-+ "809", /* 809 */
-+ "810", /* 810 */
-+ "811", /* 811 */
-+ "812", /* 812 */
-+ "813", /* 813 */
-+ "814", /* 814 */
-+ "815", /* 815 */
-+ "816", /* 816 */
-+ "817", /* 817 */
-+ "818", /* 818 */
-+ "819", /* 819 */
-+ "820", /* 820 */
-+ "821", /* 821 */
-+ "822", /* 822 */
-+ "823", /* 823 */
-+ "824", /* 824 */
-+ "825", /* 825 */
-+ "826", /* 826 */
-+ "827", /* 827 */
-+ "828", /* 828 */
-+ "829", /* 829 */
-+ "830", /* 830 */
-+ "831", /* 831 */
-+ "832", /* 832 */
-+ "833", /* 833 */
-+ "834", /* 834 */
-+ "835", /* 835 */
-+ "836", /* 836 */
-+ "837", /* 837 */
-+ "838", /* 838 */
-+ "839", /* 839 */
-+ "840", /* 840 */
-+ "841", /* 841 */
-+ "842", /* 842 */
-+ "843", /* 843 */
-+ "844", /* 844 */
-+ "845", /* 845 */
-+ "846", /* 846 */
-+ "847", /* 847 */
-+ "848", /* 848 */
-+ "849", /* 849 */
-+ "850", /* 850 */
-+ "851", /* 851 */
-+ "852", /* 852 */
-+ "853", /* 853 */
-+ "854", /* 854 */
-+ "855", /* 855 */
-+ "856", /* 856 */
-+ "857", /* 857 */
-+ "858", /* 858 */
-+ "859", /* 859 */
-+ "860", /* 860 */
-+ "861", /* 861 */
-+ "862", /* 862 */
-+ "863", /* 863 */
-+ "864", /* 864 */
-+ "865", /* 865 */
-+ "866", /* 866 */
-+ "867", /* 867 */
-+ "868", /* 868 */
-+ "869", /* 869 */
-+ "870", /* 870 */
-+ "871", /* 871 */
-+ "872", /* 872 */
-+ "873", /* 873 */
-+ "874", /* 874 */
-+ "875", /* 875 */
-+ "876", /* 876 */
-+ "877", /* 877 */
-+ "878", /* 878 */
-+ "879", /* 879 */
-+ "880", /* 880 */
-+ "881", /* 881 */
-+ "882", /* 882 */
-+ "883", /* 883 */
-+ "884", /* 884 */
-+ "885", /* 885 */
-+ "886", /* 886 */
-+ "887", /* 887 */
-+ "888", /* 888 */
-+ "889", /* 889 */
-+ "890", /* 890 */
-+ "891", /* 891 */
-+ "892", /* 892 */
-+ "893", /* 893 */
-+ "894", /* 894 */
-+ "895", /* 895 */
-+ "896", /* 896 */
-+ "897", /* 897 */
-+ "898", /* 898 */
-+ "899", /* 899 */
-+ "900", /* 900 */
-+ "901", /* 901 */
-+ "902", /* 902 */
-+ "903", /* 903 */
-+ "904", /* 904 */
-+ "905", /* 905 */
-+ "906", /* 906 */
-+ "907", /* 907 */
-+ "908", /* 908 */
-+ "909", /* 909 */
-+ "910", /* 910 */
-+ "911", /* 911 */
-+ "912", /* 912 */
-+ "913", /* 913 */
-+ "914", /* 914 */
-+ "915", /* 915 */
-+ "916", /* 916 */
-+ "917", /* 917 */
-+ "918", /* 918 */
-+ "919", /* 919 */
-+ "920", /* 920 */
-+ "921", /* 921 */
-+ "922", /* 922 */
-+ "923", /* 923 */
-+ "924", /* 924 */
-+ "925", /* 925 */
-+ "926", /* 926 */
-+ "927", /* 927 */
-+ "928", /* 928 */
-+ "929", /* 929 */
-+ "930", /* 930 */
-+ "931", /* 931 */
-+ "932", /* 932 */
-+ "933", /* 933 */
-+ "934", /* 934 */
-+ "935", /* 935 */
-+ "936", /* 936 */
-+ "937", /* 937 */
-+ "938", /* 938 */
-+ "939", /* 939 */
-+ "940", /* 940 */
-+ "941", /* 941 */
-+ "942", /* 942 */
-+ "943", /* 943 */
-+ "944", /* 944 */
-+ "945", /* 945 */
-+ "946", /* 946 */
-+ "947", /* 947 */
-+ "948", /* 948 */
-+ "949", /* 949 */
-+ "950", /* 950 */
-+ "951", /* 951 */
-+ "952", /* 952 */
-+ "953", /* 953 */
-+ "954", /* 954 */
-+ "955", /* 955 */
-+ "956", /* 956 */
-+ "957", /* 957 */
-+ "958", /* 958 */
-+ "959", /* 959 */
-+ "960", /* 960 */
-+ "961", /* 961 */
-+ "962", /* 962 */
-+ "963", /* 963 */
-+ "964", /* 964 */
-+ "965", /* 965 */
-+ "966", /* 966 */
-+ "967", /* 967 */
-+ "968", /* 968 */
-+ "969", /* 969 */
-+ "970", /* 970 */
-+ "971", /* 971 */
-+ "972", /* 972 */
-+ "973", /* 973 */
-+ "974", /* 974 */
-+ "975", /* 975 */
-+ "976", /* 976 */
-+ "977", /* 977 */
-+ "978", /* 978 */
-+ "979", /* 979 */
-+ "980", /* 980 */
-+ "981", /* 981 */
-+ "982", /* 982 */
-+ "983", /* 983 */
-+ "984", /* 984 */
-+ "985", /* 985 */
-+ "986", /* 986 */
-+ "987", /* 987 */
-+ "988", /* 988 */
-+ "989", /* 989 */
-+ "990", /* 990 */
-+ "991", /* 991 */
-+ "992", /* 992 */
-+ "993", /* 993 */
-+ "994", /* 994 */
-+ "995", /* 995 */
-+ "996", /* 996 */
-+ "997", /* 997 */
-+ "998", /* 998 */
-+ "999", /* 999 */
-+ "1000", /* 1000 */
-+ "1001", /* 1001 */
-+ "1002", /* 1002 */
-+ "1003", /* 1003 */
-+ "1004", /* 1004 */
-+ "1005", /* 1005 */
-+ "1006", /* 1006 */
-+ "1007", /* 1007 */
-+ "1008", /* 1008 */
-+ "1009", /* 1009 */
-+ "1010", /* 1010 */
-+ "1011", /* 1011 */
-+ "1012", /* 1012 */
-+ "1013", /* 1013 */
-+ "1014", /* 1014 */
-+ "1015", /* 1015 */
-+ "1016", /* 1016 */
-+ "1017", /* 1017 */
-+ "1018", /* 1018 */
-+ "1019", /* 1019 */
-+ "1020", /* 1020 */
-+ "1021", /* 1021 */
-+ "1022", /* 1022 */
-+ "1023", /* 1023 */
-+ "open", /* 1024 */
-+ "link", /* 1025 */
-+ "unlink", /* 1026 */
-+ "mknod", /* 1027 */
-+ "chmod", /* 1028 */
-+ "chown", /* 1029 */
-+ "mkdir", /* 1030 */
-+ "rmdir", /* 1031 */
-+ "lchown", /* 1032 */
-+ "access", /* 1033 */
-+ "rename", /* 1034 */
-+ "readlink", /* 1035 */
-+ "symlink", /* 1036 */
-+ "utimes", /* 1037 */
-+ "stat", /* 1038 */
-+ "lstat", /* 1039 */
-+ "pipe", /* 1040 */
-+ "dup2", /* 1041 */
-+ "epoll_create", /* 1042 */
-+ "inotify_init", /* 1043 */
-+ "eventfd", /* 1044 */
-+ "signalfd", /* 1045 */
-+ "sendfile", /* 1046 */
-+ "ftruncate", /* 1047 */
-+ "truncate", /* 1048 */
-+ "stat", /* 1049 */
-+ "lstat", /* 1050 */
-+ "fstat", /* 1051 */
-+ "fcntl", /* 1052 */
-+ "fadvise64", /* 1053 */
-+ "newfstatat", /* 1054 */
-+ "fstatfs", /* 1055 */
-+ "statfs", /* 1056 */
-+ "lseek", /* 1057 */
-+ "mmap", /* 1058 */
-+ "alarm", /* 1059 */
-+ "getpgrp", /* 1060 */
-+ "pause", /* 1061 */
-+ "time", /* 1062 */
-+ "utime", /* 1063 */
-+ "creat", /* 1064 */
-+ "getdents", /* 1065 */
-+ "futimesat", /* 1066 */
-+ "select", /* 1067 */
-+ "poll", /* 1068 */
-+ "epoll_wait", /* 1069 */
-+ "ustat", /* 1070 */
-+ "vfork", /* 1071 */
-+ "oldwait4", /* 1072 */
-+ "recv", /* 1073 */
-+ "send", /* 1074 */
-+ "bdflush", /* 1075 */
-+ "umount", /* 1076 */
-+ "uselib", /* 1077 */
-+ "_sysctl", /* 1078 */
-+ "fork", /* 1079 */
-diff --git a/sysdeps/linux-gnu/aarch64/trace.c b/sysdeps/linux-gnu/aarch64/trace.c
-new file mode 100644
-index 0000000..5544b51
---- /dev/null
-+++ b/sysdeps/linux-gnu/aarch64/trace.c
-@@ -0,0 +1,84 @@
-+/*
-+ * This file is part of ltrace.
-+ * Copyright (C) 2014 Petr Machata, Red Hat, Inc.
-+ *
-+ * This program is free software; you can redistribute it and/or
-+ * modify it under the terms of the GNU General Public License as
-+ * published by the Free Software Foundation; either version 2 of the
-+ * License, or (at your option) any later version.
-+ *
-+ * This program is distributed in the hope that it will be useful, but
-+ * WITHOUT ANY WARRANTY; without even the implied warranty of
-+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-+ * General Public License for more details.
-+ *
-+ * You should have received a copy of the GNU General Public License
-+ * along with this program; if not, write to the Free Software
-+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
-+ * 02110-1301 USA
-+ */
-+
-+#include <sys/ptrace.h>
-+#include <sys/types.h>
-+#include <sys/wait.h>
-+#include <asm/ptrace.h>
-+#include <string.h>
-+#include <stdio.h>
-+#include <errno.h>
-+
-+#include "backend.h"
-+#include "proc.h"
-+
-+void
-+get_arch_dep(struct Process *proc)
-+{
-+}
-+
-+int aarch64_read_gregs(struct Process *proc, struct user_pt_regs *regs);
-+
-+/* The syscall instruction is:
-+ * | 31 21 | 20 5 | 4 0 |
-+ * | 1 1 0 1 0 1 0 0 | 0 0 0 | imm16 | 0 0 0 0 1 | */
-+#define SVC_MASK 0xffe0001f
-+#define SVC_VALUE 0xd4000001
-+
-+int
-+syscall_p(struct Process *proc, int status, int *sysnum)
-+{
-+ if (WIFSTOPPED(status)
-+ && WSTOPSIG(status) == (SIGTRAP | proc->tracesysgood)) {
-+
-+ struct user_pt_regs regs;
-+ if (aarch64_read_gregs(proc, &regs) < 0) {
-+ fprintf(stderr, "syscall_p: "
-+ "Couldn't read registers of %d.\n", proc->pid);
-+ return -1;
-+ }
-+
-+ errno = 0;
-+ unsigned long insn = (unsigned long) ptrace(PTRACE_PEEKTEXT,
-+ proc->pid,
-+ regs.pc - 4, 0);
-+ if (insn == -1UL && errno != 0) {
-+ fprintf(stderr, "syscall_p: "
-+ "Couldn't peek into %d: %s\n", proc->pid,
-+ strerror(errno));
-+ return -1;
-+ }
-+
-+ insn &= 0xffffffffUL;
-+ if ((insn & SVC_MASK) == SVC_VALUE) {
-+ *sysnum = regs.regs[8];
-+
-+ size_t d1 = proc->callstack_depth - 1;
-+ if (proc->callstack_depth > 0
-+ && proc->callstack[d1].is_syscall
-+ && proc->callstack[d1].c_un.syscall == *sysnum)
-+ return 2;
-+
-+ return 1;
-+ }
-+ }
-+
-+ return 0;
-+}
---
-1.9.1
-
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-09 17:21:38 +0000