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PKGBUILDs/extra/libunwind/libunwind-aarch64.patch

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added extra/libunwind
2015-07-11 16:04:45 +00:00
diff --git a/Makefile.am b/Makefile.am
index d7278df..e24fe1e 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -2,6 +2,9 @@ include_HEADERS = include/libunwind-dynamic.h \
include/libunwind-ptrace.h \
include/libunwind-coredump.h
+if ARCH_AARCH64
+include_HEADERS += include/libunwind-aarch64.h
+endif
if ARCH_ARM
include_HEADERS += include/libunwind-arm.h
endif
@@ -41,6 +44,9 @@ SUBDIRS = src tests doc
noinst_HEADERS = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h \
include/compiler.h include/libunwind_i.h include/mempool.h \
include/remote.h \
+ include/tdep-aarch64/dwarf-config.h \
+ include/tdep-aarch64/jmpbuf.h \
+ include/tdep-aarch64/libunwind_i.h \
include/tdep-arm/dwarf-config.h include/tdep-arm/ex_tables.h \
include/tdep-arm/jmpbuf.h include/tdep-arm/libunwind_i.h \
include/tdep-ia64/jmpbuf.h include/tdep-ia64/rse.h \
diff --git a/README b/README
index 71a631f..511fb0c 100644
--- a/README
+++ b/README
@@ -9,6 +9,7 @@ several architecture/operating-system combinations:
Linux/IA-64: Fully tested and supported.
Linux/PARISC: Works well, but C library missing unwind-info.
HP-UX/IA-64: Mostly works but known to have some serious limitations.
+ Linux/AArch64: Newly added.
Linux/PPC64: Newly added.
Linux/SuperH: Newly added.
FreeBSD/i386: Newly added.
diff --git a/configure.ac b/configure.ac
index cffe19b..096ca7b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -104,7 +104,7 @@ SET_ARCH([$target_cpu],[target_arch])
AC_ARG_ENABLE(coredump,
AS_HELP_STRING([--enable-coredump],[building libunwind-coredump library]),,
- [AS_CASE([$host_arch], [arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])]
+ [AS_CASE([$host_arch], [aarch64*|arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])]
)
AC_MSG_CHECKING([if we should build libunwind-coredump])
@@ -121,6 +121,7 @@ AC_MSG_RESULT([$target_os])
AM_CONDITIONAL(BUILD_COREDUMP, test x$enable_coredump = xyes)
AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$host_arch)
+AM_CONDITIONAL(ARCH_AARCH64, test x$target_arch = xaarch64)
AM_CONDITIONAL(ARCH_ARM, test x$target_arch = xarm)
AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64)
AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa)
@@ -137,7 +138,7 @@ AM_CONDITIONAL(OS_FREEBSD, expr x$target_os : xfreebsd >/dev/null)
AC_MSG_CHECKING([for ELF helper width])
case "${target_arch}" in
(arm|hppa|ppc32|x86|sh) use_elf32=yes; AC_MSG_RESULT([32]);;
-(ia64|ppc64|x86_64) use_elf64=yes; AC_MSG_RESULT([64]);;
+(aarch64|ia64|ppc64|x86_64) use_elf64=yes; AC_MSG_RESULT([64]);;
(mips) use_elfxx=yes; AC_MSG_RESULT([xx]);;
*) AC_MSG_ERROR([Unknown ELF target: ${target_arch}])
esac
@@ -186,6 +187,7 @@ AS_HELP_STRING([--enable-cxx-exceptions],[use libunwind to handle C++ exceptions
# C++ exception handling doesn't work too well on x86
case $target_arch in
x86*) enable_cxx_exceptions=no;;
+ aarch64*) enable_cxx_exceptions=no;;
arm*) enable_cxx_exceptions=no;;
mips*) enable_cxx_exceptions=no;;
*) enable_cxx_exceptions=yes;;
diff --git a/include/libunwind-aarch64.h b/include/libunwind-aarch64.h
new file mode 100644
index 0000000..d50da8f
--- /dev/null
+++ b/include/libunwind-aarch64.h
@@ -0,0 +1,187 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2001-2004 Hewlett-Packard Co
+ Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#ifndef LIBUNWIND_H
+#define LIBUNWIND_H
+
+#if defined(__cplusplus) || defined(c_plusplus)
+extern "C" {
+#endif
+
+#include <inttypes.h>
+#include <stddef.h>
+#include <ucontext.h>
+
+#define UNW_TARGET aarch64
+#define UNW_TARGET_AARCH64 1
+
+#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */
+
+/* This needs to be big enough to accommodate "struct cursor", while
+ leaving some slack for future expansion. Changing this value will
+ require recompiling all users of this library. Stack allocation is
+ relatively cheap and unwind-state copying is relatively rare, so we
+ want to err on making it rather too big than too small. */
+
+#define UNW_TDEP_CURSOR_LEN 4096
+
+typedef uint64_t unw_word_t;
+typedef int64_t unw_sword_t;
+
+typedef long double unw_tdep_fpreg_t;
+
+typedef struct
+ {
+ /* no aarch64-specific auxiliary proc-info */
+ }
+unw_tdep_proc_info_t;
+
+typedef enum
+ {
+ /* 64-bit general registers. */
+ UNW_AARCH64_X0,
+ UNW_AARCH64_X1,
+ UNW_AARCH64_X2,
+ UNW_AARCH64_X3,
+ UNW_AARCH64_X4,
+ UNW_AARCH64_X5,
+ UNW_AARCH64_X6,
+ UNW_AARCH64_X7,
+ UNW_AARCH64_X8,
+
+ /* Temporary registers. */
+ UNW_AARCH64_X9,
+ UNW_AARCH64_X10,
+ UNW_AARCH64_X11,
+ UNW_AARCH64_X12,
+ UNW_AARCH64_X13,
+ UNW_AARCH64_X14,
+ UNW_AARCH64_X15,
+
+ /* Intra-procedure-call temporary registers. */
+ UNW_AARCH64_X16,
+ UNW_AARCH64_X17,
+
+ /* Callee-saved registers. */
+ UNW_AARCH64_X18,
+ UNW_AARCH64_X19,
+ UNW_AARCH64_X20,
+ UNW_AARCH64_X21,
+ UNW_AARCH64_X22,
+ UNW_AARCH64_X23,
+ UNW_AARCH64_X24,
+ UNW_AARCH64_X25,
+ UNW_AARCH64_X26,
+ UNW_AARCH64_X27,
+ UNW_AARCH64_X28,
+
+ /* 64-bit frame pointer. */
+ UNW_AARCH64_X29,
+
+ /* 64-bit link register. */
+ UNW_AARCH64_X30,
+
+ /* 64-bit stack pointer. */
+ UNW_AARCH64_SP = 31,
+ UNW_AARCH64_PC,
+ UNW_AARCH64_PSTATE,
+
+ /* 128-bit FP/Advanced SIMD registers. */
+ UNW_AARCH64_V0 = 64,
+ UNW_AARCH64_V1,
+ UNW_AARCH64_V2,
+ UNW_AARCH64_V3,
+ UNW_AARCH64_V4,
+ UNW_AARCH64_V5,
+ UNW_AARCH64_V6,
+ UNW_AARCH64_V7,
+ UNW_AARCH64_V8,
+ UNW_AARCH64_V9,
+ UNW_AARCH64_V10,
+ UNW_AARCH64_V11,
+ UNW_AARCH64_V12,
+ UNW_AARCH64_V13,
+ UNW_AARCH64_V14,
+ UNW_AARCH64_V15,
+ UNW_AARCH64_V16,
+ UNW_AARCH64_V17,
+ UNW_AARCH64_V18,
+ UNW_AARCH64_V19,
+ UNW_AARCH64_V20,
+ UNW_AARCH64_V21,
+ UNW_AARCH64_V22,
+ UNW_AARCH64_V23,
+ UNW_AARCH64_V24,
+ UNW_AARCH64_V25,
+ UNW_AARCH64_V26,
+ UNW_AARCH64_V27,
+ UNW_AARCH64_V28,
+ UNW_AARCH64_V29,
+ UNW_AARCH64_V30,
+ UNW_AARCH64_V31,
+
+ UNW_AARCH64_FPSR,
+ UNW_AARCH64_FPCR,
+
+ /* For AArch64, the CFA is the value of SP (x31) at the call site of the
+ previous frame. */
+ UNW_AARCH64_CFA = UNW_AARCH64_SP,
+
+ UNW_TDEP_LAST_REG = UNW_AARCH64_FPCR,
+
+ UNW_TDEP_IP = UNW_AARCH64_X30,
+ UNW_TDEP_SP = UNW_AARCH64_SP,
+ UNW_TDEP_EH = UNW_AARCH64_X0,
+
+ }
+aarch64_regnum_t;
+
+/* Use R0 through R3 to pass exception handling information. */
+#define UNW_TDEP_NUM_EH_REGS 4
+
+typedef struct unw_tdep_save_loc
+ {
+ /* Additional target-dependent info on a save location. */
+ }
+unw_tdep_save_loc_t;
+
+
+/* On AArch64, we can directly use ucontext_t as the unwind context. */
+typedef ucontext_t unw_tdep_context_t;
+
+#include "libunwind-common.h"
+#include "libunwind-dynamic.h"
+
+#define unw_tdep_getcontext(uc) (getcontext (uc), 0)
+#define unw_tdep_is_fpreg UNW_ARCH_OBJ(is_fpreg)
+
+extern int unw_tdep_is_fpreg (int);
+
+#if defined(__cplusplus) || defined(c_plusplus)
+}
+#endif
+
+#endif /* LIBUNWIND_H */
diff --git a/include/libunwind.h.in b/include/libunwind.h.in
index 25c4e3b..64b1457 100644
--- a/include/libunwind.h.in
+++ b/include/libunwind.h.in
@@ -3,7 +3,9 @@
#ifndef UNW_REMOTE_ONLY
-#if defined __arm__
+#if defined __aarch64__
+#include "libunwind-aarch64.h"
+#elif defined __arm__
# include "libunwind-arm.h"
#elif defined __hppa__
# include "libunwind-hppa.h"
diff --git a/include/tdep-aarch64/dwarf-config.h b/include/tdep-aarch64/dwarf-config.h
new file mode 100644
index 0000000..c3bbed5
--- /dev/null
+++ b/include/tdep-aarch64/dwarf-config.h
@@ -0,0 +1,52 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#ifndef dwarf_config_h
+#define dwarf_config_h
+
+/* This matches the value udes by GCC (see
+ gcc/config/aarch64/aarch64.h:DWARF_FRAME_REGISTERS. */
+#define DWARF_NUM_PRESERVED_REGS 97
+
+/* Return TRUE if the ADDR_SPACE uses big-endian byte-order. */
+#define dwarf_is_big_endian(addr_space) 0
+
+#define dwarf_to_unw_regnum(reg) (((reg) <= UNW_AARCH64_V31) ? (reg) : 0)
+
+/* Convert a pointer to a dwarf_cursor structure to a pointer to
+ unw_cursor_t. */
+#define dwarf_to_cursor(c) ((unw_cursor_t *) (c))
+
+typedef struct dwarf_loc
+ {
+ unw_word_t val;
+#ifndef UNW_LOCAL_ONLY
+ unw_word_t type; /* see DWARF_LOC_TYPE_* macros. */
+#endif
+ }
+dwarf_loc_t;
+
+#endif /* dwarf_config_h */
diff --git a/include/tdep-aarch64/jmpbuf.h b/include/tdep-aarch64/jmpbuf.h
new file mode 100644
index 0000000..2eb53a7
--- /dev/null
+++ b/include/tdep-aarch64/jmpbuf.h
@@ -0,0 +1,33 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+/* Use glibc's jump-buffer indices; NPTL peeks at SP: */
+
+/* FIXME for AArch64 */
+
+#define JB_SP 13
+#define JB_RP 14
+#define JB_MASK_SAVED 15
+#define JB_MASK 16
diff --git a/include/tdep-aarch64/libunwind_i.h b/include/tdep-aarch64/libunwind_i.h
new file mode 100644
index 0000000..28943db
--- /dev/null
+++ b/include/tdep-aarch64/libunwind_i.h
@@ -0,0 +1,294 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2001-2005 Hewlett-Packard Co
+ Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#ifndef AARCH64_LIBUNWIND_I_H
+#define AARCH64_LIBUNWIND_I_H
+
+/* Target-dependent definitions that are internal to libunwind but need
+ to be shared with target-independent code. */
+
+#include <stdlib.h>
+#include <libunwind.h>
+
+#include "elf64.h"
+#include "mempool.h"
+#include "dwarf.h"
+
+typedef struct
+ {
+ /* no aarch64-specific fast trace */
+ }
+unw_tdep_frame_t;
+
+#ifdef UNW_LOCAL_ONLY
+
+typedef unw_word_t aarch64_loc_t;
+
+#else /* !UNW_LOCAL_ONLY */
+
+typedef struct aarch64_loc
+ {
+ unw_word_t w0, w1;
+ }
+aarch64_loc_t;
+
+#endif /* !UNW_LOCAL_ONLY */
+
+struct unw_addr_space
+ {
+ struct unw_accessors acc;
+ int big_endian;
+ unw_caching_policy_t caching_policy;
+#ifdef HAVE_ATOMIC_OPS_H
+ AO_t cache_generation;
+#else
+ uint32_t cache_generation;
+#endif
+ unw_word_t dyn_generation; /* see dyn-common.h */
+ unw_word_t dyn_info_list_addr; /* (cached) dyn_info_list_addr */
+ struct dwarf_rs_cache global_cache;
+ struct unw_debug_frame_list *debug_frames;
+ };
+
+struct cursor
+ {
+ struct dwarf_cursor dwarf; /* must be first */
+ enum
+ {
+ AARCH64_SCF_NONE,
+ AARCH64_SCF_LINUX_RT_SIGFRAME,
+ }
+ sigcontext_format;
+ unw_word_t sigcontext_addr;
+ unw_word_t sigcontext_sp;
+ unw_word_t sigcontext_pc;
+ };
+
+#define DWARF_GET_LOC(l) ((l).val)
+
+#ifdef UNW_LOCAL_ONLY
+# define DWARF_NULL_LOC DWARF_LOC (0, 0)
+# define DWARF_IS_NULL_LOC(l) (DWARF_GET_LOC (l) == 0)
+# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r) })
+# define DWARF_IS_REG_LOC(l) 0
+# define DWARF_REG_LOC(c,r) (DWARF_LOC((unw_word_t) \
+ tdep_uc_addr((c)->as_arg, (r)), 0))
+# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0)
+# define DWARF_FPREG_LOC(c,r) (DWARF_LOC((unw_word_t) \
+ tdep_uc_addr((c)->as_arg, (r)), 0))
+
+static inline int
+dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
+{
+ if (!DWARF_GET_LOC (loc))
+ return -1;
+ *val = *(unw_fpreg_t *) DWARF_GET_LOC (loc);
+ return 0;
+}
+
+static inline int
+dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
+{
+ if (!DWARF_GET_LOC (loc))
+ return -1;
+ *(unw_fpreg_t *) DWARF_GET_LOC (loc) = val;
+ return 0;
+}
+
+static inline int
+dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
+{
+ if (!DWARF_GET_LOC (loc))
+ return -1;
+ *val = *(unw_word_t *) DWARF_GET_LOC (loc);
+ return 0;
+}
+
+static inline int
+dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
+{
+ if (!DWARF_GET_LOC (loc))
+ return -1;
+ *(unw_word_t *) DWARF_GET_LOC (loc) = val;
+ return 0;
+}
+
+#else /* !UNW_LOCAL_ONLY */
+# define DWARF_LOC_TYPE_FP (1 << 0)
+# define DWARF_LOC_TYPE_REG (1 << 1)
+# define DWARF_NULL_LOC DWARF_LOC (0, 0)
+# define DWARF_IS_NULL_LOC(l) \
+ ({ dwarf_loc_t _l = (l); _l.val == 0 && _l.type == 0; })
+# define DWARF_LOC(r, t) ((dwarf_loc_t) { .val = (r), .type = (t) })
+# define DWARF_IS_REG_LOC(l) (((l).type & DWARF_LOC_TYPE_REG) != 0)
+# define DWARF_IS_FP_LOC(l) (((l).type & DWARF_LOC_TYPE_FP) != 0)
+# define DWARF_REG_LOC(c,r) DWARF_LOC((r), DWARF_LOC_TYPE_REG)
+# define DWARF_MEM_LOC(c,m) DWARF_LOC ((m), 0)
+# define DWARF_FPREG_LOC(c,r) DWARF_LOC((r), (DWARF_LOC_TYPE_REG \
+ | DWARF_LOC_TYPE_FP))
+
+static inline int
+dwarf_getfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t *val)
+{
+ char *valp = (char *) &val;
+ unw_word_t addr;
+ int ret;
+
+ if (DWARF_IS_NULL_LOC (loc))
+ return -UNW_EBADREG;
+
+ if (DWARF_IS_REG_LOC (loc))
+ return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc),
+ val, 0, c->as_arg);
+
+ addr = DWARF_GET_LOC (loc);
+ if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp,
+ 0, c->as_arg)) < 0)
+ return ret;
+
+ return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1, 0,
+ c->as_arg);
+}
+
+static inline int
+dwarf_putfp (struct dwarf_cursor *c, dwarf_loc_t loc, unw_fpreg_t val)
+{
+ char *valp = (char *) &val;
+ unw_word_t addr;
+ int ret;
+
+ if (DWARF_IS_NULL_LOC (loc))
+ return -UNW_EBADREG;
+
+ if (DWARF_IS_REG_LOC (loc))
+ return (*c->as->acc.access_fpreg) (c->as, DWARF_GET_LOC (loc),
+ &val, 1, c->as_arg);
+
+ addr = DWARF_GET_LOC (loc);
+ if ((ret = (*c->as->acc.access_mem) (c->as, addr + 0, (unw_word_t *) valp,
+ 1, c->as_arg)) < 0)
+ return ret;
+
+ return (*c->as->acc.access_mem) (c->as, addr + 4, (unw_word_t *) valp + 1,
+ 1, c->as_arg);
+}
+
+static inline int
+dwarf_get (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t *val)
+{
+ if (DWARF_IS_NULL_LOC (loc))
+ return -UNW_EBADREG;
+
+ /* If a code-generator were to save a value of type unw_word_t in a
+ floating-point register, we would have to support this case. I
+ suppose it could happen with MMX registers, but does it really
+ happen? */
+ assert (!DWARF_IS_FP_LOC (loc));
+
+ if (DWARF_IS_REG_LOC (loc))
+ return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), val,
+ 0, c->as_arg);
+ else
+ return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), val,
+ 0, c->as_arg);
+}
+
+static inline int
+dwarf_put (struct dwarf_cursor *c, dwarf_loc_t loc, unw_word_t val)
+{
+ if (DWARF_IS_NULL_LOC (loc))
+ return -UNW_EBADREG;
+
+ /* If a code-generator were to save a value of type unw_word_t in a
+ floating-point register, we would have to support this case. I
+ suppose it could happen with MMX registers, but does it really
+ happen? */
+ assert (!DWARF_IS_FP_LOC (loc));
+
+ if (DWARF_IS_REG_LOC (loc))
+ return (*c->as->acc.access_reg) (c->as, DWARF_GET_LOC (loc), &val,
+ 1, c->as_arg);
+ else
+ return (*c->as->acc.access_mem) (c->as, DWARF_GET_LOC (loc), &val,
+ 1, c->as_arg);
+}
+
+#endif /* !UNW_LOCAL_ONLY */
+
+
+
+#define tdep_getcontext_trace unw_getcontext
+#define tdep_init_done UNW_OBJ(init_done)
+#define tdep_init UNW_OBJ(init)
+/* Platforms that support UNW_INFO_FORMAT_TABLE need to define
+ tdep_search_unwind_table. */
+#define tdep_search_unwind_table dwarf_search_unwind_table
+#define tdep_find_unwind_table dwarf_find_unwind_table
+#define tdep_uc_addr UNW_OBJ(uc_addr)
+#define tdep_get_elf_image UNW_ARCH_OBJ(get_elf_image)
+#define tdep_access_reg UNW_OBJ(access_reg)
+#define tdep_access_fpreg UNW_OBJ(access_fpreg)
+#define tdep_fetch_frame(c,ip,n) do {} while(0)
+#define tdep_cache_frame(c,rs) do {} while(0)
+#define tdep_reuse_frame(c,rs) do {} while(0)
+#define tdep_stash_frame(c,rs) do {} while(0)
+#define tdep_trace(cur,addr,n) (-UNW_ENOINFO)
+
+#ifdef UNW_LOCAL_ONLY
+# define tdep_find_proc_info(c,ip,n) \
+ dwarf_find_proc_info((c)->as, (ip), &(c)->pi, (n), \
+ (c)->as_arg)
+# define tdep_put_unwind_info(as,pi,arg) \
+ dwarf_put_unwind_info((as), (pi), (arg))
+#else
+# define tdep_find_proc_info(c,ip,n) \
+ (*(c)->as->acc.find_proc_info)((c)->as, (ip), &(c)->pi, (n), \
+ (c)->as_arg)
+# define tdep_put_unwind_info(as,pi,arg) \
+ (*(as)->acc.put_unwind_info)((as), (pi), (arg))
+#endif
+
+#define tdep_get_as(c) ((c)->dwarf.as)
+#define tdep_get_as_arg(c) ((c)->dwarf.as_arg)
+#define tdep_get_ip(c) ((c)->dwarf.ip)
+#define tdep_big_endian(as) ((as)->big_endian)
+
+extern int tdep_init_done;
+
+extern void tdep_init (void);
+extern int tdep_search_unwind_table (unw_addr_space_t as, unw_word_t ip,
+ unw_dyn_info_t *di, unw_proc_info_t *pi,
+ int need_unwind_info, void *arg);
+extern void *tdep_uc_addr (unw_tdep_context_t *uc, int reg);
+extern int tdep_get_elf_image (struct elf_image *ei, pid_t pid, unw_word_t ip,
+ unsigned long *segbase, unsigned long *mapoff,
+ char *path, size_t pathlen);
+extern int tdep_access_reg (struct cursor *c, unw_regnum_t reg,
+ unw_word_t *valp, int write);
+extern int tdep_access_fpreg (struct cursor *c, unw_regnum_t reg,
+ unw_fpreg_t *valp, int write);
+
+#endif /* AARCH64_LIBUNWIND_I_H */
diff --git a/include/tdep/dwarf-config.h b/include/tdep/dwarf-config.h
index 1da268b..5b09fc1 100644
--- a/include/tdep/dwarf-config.h
+++ b/include/tdep/dwarf-config.h
@@ -1,7 +1,9 @@
/* Provide a real file - not a symlink - as it would cause multiarch conflicts
when multiple different arch releases are installed simultaneously. */
-#if defined __arm__
+#if defined __aarch64__
+# include "tdep-aarch64/dwarf-config.h"
+#elif defined __arm__
# include "tdep-arm/dwarf-config.h"
#elif defined __hppa__
# include "tdep-hppa/dwarf-config.h"
diff --git a/include/tdep/jmpbuf.h b/include/tdep/jmpbuf.h
index 7d04a42..684d0d9 100644
--- a/include/tdep/jmpbuf.h
+++ b/include/tdep/jmpbuf.h
@@ -3,6 +3,8 @@
#ifndef UNW_REMOTE_ONLY
+#if defined __aarch64__
+# include "tdep-aarch64/jmpbuf.h"
#if defined __arm__
# include "tdep-arm/jmpbuf.h"
#elif defined __hppa__
diff --git a/include/tdep/libunwind_i.h.in b/include/tdep/libunwind_i.h.in
index 2ad6269..475f828 100644
--- a/include/tdep/libunwind_i.h.in
+++ b/include/tdep/libunwind_i.h.in
@@ -3,7 +3,9 @@
#ifndef UNW_REMOTE_ONLY
-#if defined __arm__
+#if defined __aarch64__
+# include "tdep-aarch64/libunwind_i.h"
+#elif defined __arm__
# include "tdep-arm/libunwind_i.h"
#elif defined __hppa__
# include "tdep-hppa/libunwind_i.h"
diff --git a/src/Makefile.am b/src/Makefile.am
index 08d2870..f104214 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -170,6 +170,28 @@ libunwind_elfxx_la_SOURCES = elfxx.c
noinst_LTLIBRARIES += $(LIBUNWIND_ELF)
libunwind_la_LIBADD += $(LIBUNWIND_ELF)
+# The list of files that go into libunwind and libunwind-aarch64:
+noinst_HEADERS += aarch64/init.h aarch64/offsets.h aarch64/unwind_i.h
+libunwind_la_SOURCES_aarch64_common = $(libunwind_la_SOURCES_common) \
+ aarch64/is_fpreg.c aarch64/regname.c
+
+# The list of files that go into libunwind:
+libunwind_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \
+ $(libunwind_la_SOURCES_local) \
+ aarch64/Lcreate_addr_space.c aarch64/Lget_proc_info.c \
+ aarch64/Lget_save_loc.c aarch64/Lglobal.c aarch64/Linit.c \
+ aarch64/Linit_local.c aarch64/Linit_remote.c \
+ aarch64/Lis_signal_frame.c aarch64/Lregs.c aarch64/Lresume.c \
+ aarch64/Lstep.c
+
+libunwind_aarch64_la_SOURCES_aarch64 = $(libunwind_la_SOURCES_aarch64_common) \
+ $(libunwind_la_SOURCES_generic) \
+ aarch64/Gcreate_addr_space.c aarch64/Gget_proc_info.c \
+ aarch64/Gget_save_loc.c aarch64/Gglobal.c aarch64/Ginit.c \
+ aarch64/Ginit_local.c aarch64/Ginit_remote.c \
+ aarch64/Gis_signal_frame.c aarch64/Gregs.c aarch64/Gresume.c \
+ aarch64/Gstep.c
+
# The list of files that go into libunwind and libunwind-arm:
noinst_HEADERS += arm/init.h arm/offsets.h arm/unwind_i.h
libunwind_la_SOURCES_arm_common = $(libunwind_la_SOURCES_common) \
@@ -418,6 +440,18 @@ if OS_FREEBSD
libunwind_coredump_la_SOURCES += coredump/_UCD_access_reg_freebsd.c
endif
+if ARCH_AARCH64
+ lib_LTLIBRARIES += libunwind-aarch64.la
+ libunwind_la_SOURCES = $(libunwind_la_SOURCES_aarch64)
+ libunwind_aarch64_la_SOURCES = $(libunwind_aarch64_la_SOURCES_aarch64)
+ libunwind_aarch64_la_LDFLAGS = $(COMMON_SO_LDFLAGS) -version-info $(SOVERSION)
+ libunwind_aarch64_la_LIBADD = libunwind-dwarf-generic.la
+ libunwind_aarch64_la_LIBADD += libunwind-elf64.la
+if !REMOTE_ONLY
+ libunwind_aarch64_la_LIBADD += libunwind.la -lc
+endif
+# libunwind_setjmp_la_SOURCES += aarch64/siglongjmp.S
+else
if ARCH_ARM
lib_LTLIBRARIES += libunwind-arm.la
libunwind_la_SOURCES = $(libunwind_la_SOURCES_arm)
@@ -545,6 +579,7 @@ endif # ARCH_MIPS
endif # ARCH_HPPA
endif # ARCH_IA64
endif # ARCH_ARM
+endif # ARCH_AARCH64
# libunwind-setjmp depends on libunwind-$(arch). Therefore must be added
# at the end.
@@ -567,7 +602,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/include/tdep-$(arch) -I.
AM_CCASFLAGS = $(AM_CPPFLAGS)
noinst_HEADERS += unwind/unwind-internal.h
-EXTRA_DIST = $(libunwind_la_SOURCES_arm) \
+EXTRA_DIST = $(libunwind_la_SOURCES_aarch64) \
+ $(libunwind_la_SOURCES_arm) \
$(libunwind_la_SOURCES_hppa) \
$(libunwind_la_SOURCES_ia64) \
$(libunwind_la_SOURCES_mips) \
@@ -579,6 +615,7 @@ EXTRA_DIST = $(libunwind_la_SOURCES_arm) \
$(libunwind_la_SOURCES_common) \
$(libunwind_la_SOURCES_local) \
$(libunwind_la_SOURCES_generic) \
+ $(libunwind_aarch64_la_SOURCES_aarch64) \
$(libunwind_arm_la_SOURCES_arm) \
$(libunwind_hppa_la_SOURCES_hppa) \
$(libunwind_ia64_la_SOURCES_ia64) \
diff --git a/src/aarch64/Gcreate_addr_space.c b/src/aarch64/Gcreate_addr_space.c
new file mode 100644
index 0000000..b0f2b04
--- /dev/null
+++ b/src/aarch64/Gcreate_addr_space.c
@@ -0,0 +1,60 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include <string.h>
+#include <stdlib.h>
+
+#include "unwind_i.h"
+
+PROTECTED unw_addr_space_t
+unw_create_addr_space (unw_accessors_t *a, int byte_order)
+{
+#ifdef UNW_LOCAL_ONLY
+ return NULL;
+#else
+ unw_addr_space_t as;
+
+ /* AArch64 supports little-endian and big-endian. */
+ if (byte_order != 0 && byte_order != __LITTLE_ENDIAN
+ && byte_order != __BIG_ENDIAN)
+ return NULL;
+
+ as = malloc (sizeof (*as));
+ if (!as)
+ return NULL;
+
+ memset (as, 0, sizeof (*as));
+
+ as->acc = *a;
+
+ /* Default to little-endian for AArch64. */
+ if (byte_order == 0 || byte_order == __LITTLE_ENDIAN)
+ as->big_endian = 0;
+ else
+ as->big_endian = 1;
+
+ return as;
+#endif
+}
diff --git a/src/aarch64/Gget_proc_info.c b/src/aarch64/Gget_proc_info.c
new file mode 100644
index 0000000..de9199f
--- /dev/null
+++ b/src/aarch64/Gget_proc_info.c
@@ -0,0 +1,39 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+
+PROTECTED int
+unw_get_proc_info (unw_cursor_t *cursor, unw_proc_info_t *pi)
+{
+ struct cursor *c = (struct cursor *) cursor;
+ int ret;
+
+ ret = dwarf_make_proc_info (&c->dwarf);
+ if (ret < 0)
+ return ret;
+
+ *pi = c->dwarf.pi;
+ return 0;
+}
diff --git a/src/aarch64/Gget_save_loc.c b/src/aarch64/Gget_save_loc.c
new file mode 100644
index 0000000..c76eb9c
--- /dev/null
+++ b/src/aarch64/Gget_save_loc.c
@@ -0,0 +1,100 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+
+PROTECTED int
+unw_get_save_loc (unw_cursor_t *cursor, int reg, unw_save_loc_t *sloc)
+{
+ struct cursor *c = (struct cursor *) cursor;
+ dwarf_loc_t loc;
+
+ switch (reg)
+ {
+ case UNW_AARCH64_X0:
+ case UNW_AARCH64_X1:
+ case UNW_AARCH64_X2:
+ case UNW_AARCH64_X3:
+ case UNW_AARCH64_X4:
+ case UNW_AARCH64_X5:
+ case UNW_AARCH64_X6:
+ case UNW_AARCH64_X7:
+ case UNW_AARCH64_X8:
+ case UNW_AARCH64_X9:
+ case UNW_AARCH64_X10:
+ case UNW_AARCH64_X11:
+ case UNW_AARCH64_X12:
+ case UNW_AARCH64_X13:
+ case UNW_AARCH64_X14:
+ case UNW_AARCH64_X15:
+ case UNW_AARCH64_X16:
+ case UNW_AARCH64_X17:
+ case UNW_AARCH64_X18:
+ case UNW_AARCH64_X19:
+ case UNW_AARCH64_X20:
+ case UNW_AARCH64_X21:
+ case UNW_AARCH64_X22:
+ case UNW_AARCH64_X23:
+ case UNW_AARCH64_X24:
+ case UNW_AARCH64_X25:
+ case UNW_AARCH64_X26:
+ case UNW_AARCH64_X27:
+ case UNW_AARCH64_X28:
+ case UNW_AARCH64_X29:
+ case UNW_AARCH64_X30:
+ case UNW_AARCH64_SP:
+ case UNW_AARCH64_PC:
+ case UNW_AARCH64_PSTATE:
+ loc = c->dwarf.loc[reg];
+ break;
+
+ default:
+ loc = DWARF_NULL_LOC; /* default to "not saved" */
+ break;
+ }
+
+ memset (sloc, 0, sizeof (*sloc));
+
+ if (DWARF_IS_NULL_LOC (loc))
+ {
+ sloc->type = UNW_SLT_NONE;
+ return 0;
+ }
+
+#if !defined(UNW_LOCAL_ONLY)
+ if (DWARF_IS_REG_LOC (loc))
+ {
+ sloc->type = UNW_SLT_REG;
+ sloc->u.regnum = DWARF_GET_LOC (loc);
+ }
+ else
+#endif
+ {
+ sloc->type = UNW_SLT_MEMORY;
+ sloc->u.addr = DWARF_GET_LOC (loc);
+ }
+ return 0;
+}
diff --git a/src/aarch64/Gglobal.c b/src/aarch64/Gglobal.c
new file mode 100644
index 0000000..b0a7e26
--- /dev/null
+++ b/src/aarch64/Gglobal.c
@@ -0,0 +1,57 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+#include "dwarf_i.h"
+
+HIDDEN define_lock (aarch64_lock);
+HIDDEN int tdep_init_done;
+
+HIDDEN void
+tdep_init (void)
+{
+ intrmask_t saved_mask;
+
+ sigfillset (&unwi_full_mask);
+
+ lock_acquire (&aarch64_lock, saved_mask);
+ {
+ if (tdep_init_done)
+ /* another thread else beat us to it... */
+ goto out;
+
+ mi_init ();
+
+ dwarf_init ();
+
+#ifndef UNW_REMOTE_ONLY
+ aarch64_local_addr_space_init ();
+#endif
+ tdep_init_done = 1; /* signal that we're initialized... */
+ }
+ out:
+ lock_release (&aarch64_lock, saved_mask);
+}
diff --git a/src/aarch64/Ginit.c b/src/aarch64/Ginit.c
new file mode 100644
index 0000000..449b417
--- /dev/null
+++ b/src/aarch64/Ginit.c
@@ -0,0 +1,187 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include <stdlib.h>
+#include <string.h>
+
+#include "unwind_i.h"
+
+#ifdef UNW_REMOTE_ONLY
+
+/* unw_local_addr_space is a NULL pointer in this case. */
+PROTECTED unw_addr_space_t unw_local_addr_space;
+
+#else /* !UNW_REMOTE_ONLY */
+
+static struct unw_addr_space local_addr_space;
+
+PROTECTED unw_addr_space_t unw_local_addr_space = &local_addr_space;
+
+static inline void *
+uc_addr (ucontext_t *uc, int reg)
+{
+ if (reg >= UNW_AARCH64_X0 && reg <= UNW_AARCH64_V31)
+ return &uc->uc_mcontext.regs[reg];
+ else
+ return NULL;
+}
+
+# ifdef UNW_LOCAL_ONLY
+
+HIDDEN void *
+tdep_uc_addr (ucontext_t *uc, int reg)
+{
+ return uc_addr (uc, reg);
+}
+
+# endif /* UNW_LOCAL_ONLY */
+
+HIDDEN unw_dyn_info_list_t _U_dyn_info_list;
+
+/* XXX fix me: there is currently no way to locate the dyn-info list
+ by a remote unwinder. On ia64, this is done via a special
+ unwind-table entry. Perhaps something similar can be done with
+ DWARF2 unwind info. */
+
+static void
+put_unwind_info (unw_addr_space_t as, unw_proc_info_t *proc_info, void *arg)
+{
+ /* it's a no-op */
+}
+
+static int
+get_dyn_info_list_addr (unw_addr_space_t as, unw_word_t *dyn_info_list_addr,
+ void *arg)
+{
+ *dyn_info_list_addr = (unw_word_t) &_U_dyn_info_list;
+ return 0;
+}
+
+static int
+access_mem (unw_addr_space_t as, unw_word_t addr, unw_word_t *val, int write,
+ void *arg)
+{
+ if (write)
+ {
+ Debug (16, "mem[%x] <- %x\n", addr, *val);
+ *(unw_word_t *) addr = *val;
+ }
+ else
+ {
+ *val = *(unw_word_t *) addr;
+ Debug (16, "mem[%x] -> %x\n", addr, *val);
+ }
+ return 0;
+}
+
+static int
+access_reg (unw_addr_space_t as, unw_regnum_t reg, unw_word_t *val, int write,
+ void *arg)
+{
+ unw_word_t *addr;
+ ucontext_t *uc = arg;
+
+ if (unw_is_fpreg (reg))
+ goto badreg;
+
+ if (!(addr = uc_addr (uc, reg)))
+ goto badreg;
+
+ if (write)
+ {
+ *(unw_word_t *) addr = *val;
+ Debug (12, "%s <- %x\n", unw_regname (reg), *val);
+ }
+ else
+ {
+ *val = *(unw_word_t *) addr;
+ Debug (12, "%s -> %x\n", unw_regname (reg), *val);
+ }
+ return 0;
+
+ badreg:
+ Debug (1, "bad register number %u\n", reg);
+ return -UNW_EBADREG;
+}
+
+static int
+access_fpreg (unw_addr_space_t as, unw_regnum_t reg, unw_fpreg_t *val,
+ int write, void *arg)
+{
+ ucontext_t *uc = arg;
+ unw_fpreg_t *addr;
+
+ if (!unw_is_fpreg (reg))
+ goto badreg;
+
+ if (!(addr = uc_addr (uc, reg)))
+ goto badreg;
+
+ if (write)
+ {
+ Debug (12, "%s <- %08lx.%08lx.%08lx\n", unw_regname (reg),
+ ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]);
+ *(unw_fpreg_t *) addr = *val;
+ }
+ else
+ {
+ *val = *(unw_fpreg_t *) addr;
+ Debug (12, "%s -> %08lx.%08lx.%08lx\n", unw_regname (reg),
+ ((long *)val)[0], ((long *)val)[1], ((long *)val)[2]);
+ }
+ return 0;
+
+ badreg:
+ Debug (1, "bad register number %u\n", reg);
+ /* attempt to access a non-preserved register */
+ return -UNW_EBADREG;
+}
+
+static int
+get_static_proc_name (unw_addr_space_t as, unw_word_t ip,
+ char *buf, size_t buf_len, unw_word_t *offp,
+ void *arg)
+{
+ return _Uelf64_get_proc_name (as, getpid (), ip, buf, buf_len, offp);
+}
+
+HIDDEN void
+aarch64_local_addr_space_init (void)
+{
+ memset (&local_addr_space, 0, sizeof (local_addr_space));
+ local_addr_space.caching_policy = UNW_CACHE_GLOBAL;
+ local_addr_space.acc.find_proc_info = dwarf_find_proc_info;
+ local_addr_space.acc.put_unwind_info = put_unwind_info;
+ local_addr_space.acc.get_dyn_info_list_addr = get_dyn_info_list_addr;
+ local_addr_space.acc.access_mem = access_mem;
+ local_addr_space.acc.access_reg = access_reg;
+ local_addr_space.acc.access_fpreg = access_fpreg;
+ local_addr_space.acc.resume = aarch64_local_resume;
+ local_addr_space.acc.get_proc_name = get_static_proc_name;
+ unw_flush_cache (&local_addr_space, 0, 0);
+}
+
+#endif /* !UNW_REMOTE_ONLY */
diff --git a/src/aarch64/Ginit_local.c b/src/aarch64/Ginit_local.c
new file mode 100644
index 0000000..dee6fd3
--- /dev/null
+++ b/src/aarch64/Ginit_local.c
@@ -0,0 +1,55 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2011-2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+#include "init.h"
+
+#ifdef UNW_REMOTE_ONLY
+
+PROTECTED int
+unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
+{
+ return -UNW_EINVAL;
+}
+
+#else /* !UNW_REMOTE_ONLY */
+
+PROTECTED int
+unw_init_local (unw_cursor_t *cursor, unw_context_t *uc)
+{
+ struct cursor *c = (struct cursor *) cursor;
+
+ if (!tdep_init_done)
+ tdep_init ();
+
+ Debug (1, "(cursor=%p)\n", c);
+
+ c->dwarf.as = unw_local_addr_space;
+ c->dwarf.as_arg = uc;
+
+ return common_init (c, 1);
+}
+
+#endif /* !UNW_REMOTE_ONLY */
diff --git a/src/aarch64/Ginit_remote.c b/src/aarch64/Ginit_remote.c
new file mode 100644
index 0000000..f284e99
--- /dev/null
+++ b/src/aarch64/Ginit_remote.c
@@ -0,0 +1,45 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "init.h"
+#include "unwind_i.h"
+
+PROTECTED int
+unw_init_remote (unw_cursor_t *cursor, unw_addr_space_t as, void *as_arg)
+{
+#ifdef UNW_LOCAL_ONLY
+ return -UNW_EINVAL;
+#else /* !UNW_LOCAL_ONLY */
+ struct cursor *c = (struct cursor *) cursor;
+
+ if (!tdep_init_done)
+ tdep_init ();
+
+ Debug (1, "(cursor=%p)\n", c);
+
+ c->dwarf.as = as;
+ c->dwarf.as_arg = as_arg;
+ return common_init (c, 0);
+#endif /* !UNW_LOCAL_ONLY */
+}
diff --git a/src/aarch64/Gis_signal_frame.c b/src/aarch64/Gis_signal_frame.c
new file mode 100644
index 0000000..53e32de
--- /dev/null
+++ b/src/aarch64/Gis_signal_frame.c
@@ -0,0 +1,64 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+
+/* The restorer stub will always have the form:
+
+ d2801168 movz x8, #0x8b
+ d4000001 svc #0x0
+*/
+
+PROTECTED int
+unw_is_signal_frame (unw_cursor_t *cursor)
+{
+#ifdef __linux__
+ struct cursor *c = (struct cursor *) cursor;
+ unw_word_t w0, ip;
+ unw_addr_space_t as;
+ unw_accessors_t *a;
+ void *arg;
+ int ret;
+
+ as = c->dwarf.as;
+ a = unw_get_accessors (as);
+ arg = c->dwarf.as_arg;
+
+ ip = c->dwarf.ip;
+
+ ret = (*a->access_mem) (as, ip, &w0, 0, arg);
+ if (ret < 0)
+ return ret;
+
+ /* FIXME: distinguish 32bit insn vs 64bit registers. */
+ if (w0 != 0xd4000001d2801168)
+ return 0;
+
+ return 1;
+
+#else
+ return -UNW_ENOINFO;
+#endif
+}
diff --git a/src/aarch64/Gregs.c b/src/aarch64/Gregs.c
new file mode 100644
index 0000000..0f6b9c6
--- /dev/null
+++ b/src/aarch64/Gregs.c
@@ -0,0 +1,113 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+
+HIDDEN int
+tdep_access_reg (struct cursor *c, unw_regnum_t reg, unw_word_t *valp,
+ int write)
+{
+ dwarf_loc_t loc = DWARF_NULL_LOC;
+ unsigned int mask;
+
+ switch (reg)
+ {
+ case UNW_AARCH64_X0:
+ case UNW_AARCH64_X1:
+ case UNW_AARCH64_X2:
+ case UNW_AARCH64_X3:
+ mask = 1 << reg;
+ if (write)
+ {
+ c->dwarf.eh_args[reg] = *valp;
+ c->dwarf.eh_valid_mask |= mask;
+ return 0;
+ }
+ else if ((c->dwarf.eh_valid_mask & mask) != 0)
+ {
+ *valp = c->dwarf.eh_args[reg];
+ return 0;
+ }
+ else
+ loc = c->dwarf.loc[reg];
+ break;
+
+ case UNW_AARCH64_X4:
+ case UNW_AARCH64_X5:
+ case UNW_AARCH64_X6:
+ case UNW_AARCH64_X7:
+ case UNW_AARCH64_X8:
+ case UNW_AARCH64_X9:
+ case UNW_AARCH64_X10:
+ case UNW_AARCH64_X11:
+ case UNW_AARCH64_X12:
+ case UNW_AARCH64_X13:
+ case UNW_AARCH64_X14:
+ case UNW_AARCH64_X15:
+ case UNW_AARCH64_X16:
+ case UNW_AARCH64_X17:
+ case UNW_AARCH64_X18:
+ case UNW_AARCH64_X19:
+ case UNW_AARCH64_X20:
+ case UNW_AARCH64_X21:
+ case UNW_AARCH64_X22:
+ case UNW_AARCH64_X23:
+ case UNW_AARCH64_X24:
+ case UNW_AARCH64_X25:
+ case UNW_AARCH64_X26:
+ case UNW_AARCH64_X27:
+ case UNW_AARCH64_X28:
+ case UNW_AARCH64_X29:
+ case UNW_AARCH64_X30:
+ case UNW_AARCH64_PC:
+ case UNW_AARCH64_PSTATE:
+ loc = c->dwarf.loc[reg];
+ break;
+
+ case UNW_AARCH64_SP:
+ if (write)
+ return -UNW_EREADONLYREG;
+ *valp = c->dwarf.cfa;
+ return 0;
+
+ default:
+ Debug (1, "bad register number %u\n", reg);
+ return -UNW_EBADREG;
+ }
+
+ if (write)
+ return dwarf_put (&c->dwarf, loc, *valp);
+ else
+ return dwarf_get (&c->dwarf, loc, valp);
+}
+
+HIDDEN int
+tdep_access_fpreg (struct cursor *c, unw_regnum_t reg, unw_fpreg_t *valp,
+ int write)
+{
+ Debug (1, "bad register number %u\n", reg);
+ return -UNW_EBADREG;
+}
diff --git a/src/aarch64/Gresume.c b/src/aarch64/Gresume.c
new file mode 100644
index 0000000..908646b
--- /dev/null
+++ b/src/aarch64/Gresume.c
@@ -0,0 +1,177 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2011-2013 Linaro Limited
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+#include "offsets.h"
+
+#ifndef UNW_REMOTE_ONLY
+
+HIDDEN inline int
+aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor, void *arg)
+{
+#ifdef __linux__
+ struct cursor *c = (struct cursor *) cursor;
+ unw_tdep_context_t *uc = c->dwarf.as_arg;
+
+ if (c->sigcontext_format == AARCH64_SCF_NONE)
+ {
+ /* Since there are no signals involved here we restore the non scratch
+ registers only. */
+ unsigned long regs[11];
+ regs[0] = uc->uc_mcontext.regs[19];
+ regs[1] = uc->uc_mcontext.regs[20];
+ regs[2] = uc->uc_mcontext.regs[21];
+ regs[3] = uc->uc_mcontext.regs[22];
+ regs[4] = uc->uc_mcontext.regs[23];
+ regs[5] = uc->uc_mcontext.regs[24];
+ regs[6] = uc->uc_mcontext.regs[25];
+ regs[7] = uc->uc_mcontext.regs[26];
+ regs[8] = uc->uc_mcontext.regs[27];
+ regs[9] = uc->uc_mcontext.regs[28];
+ regs[10] = uc->uc_mcontext.regs[30]; /* LR */
+ unsigned long sp = uc->uc_mcontext.sp;
+
+ struct regs_overlay {
+ char x[sizeof(regs)];
+ };
+
+ asm volatile (
+ "ldp x19, x20, [%0]\n"
+ "ldp x21, x22, [%0,16]\n"
+ "ldp x23, x24, [%0,32]\n"
+ "ldp x25, x26, [%0,48]\n"
+ "ldp x27, x28, [%0,64]\n"
+ "ldr x30, [%0,80]\n"
+ "mov sp, %1\n"
+ "ret \n"
+ :
+ : "r" (regs),
+ "r" (sp),
+ "m" (*(struct regs_overlay *)regs)
+ );
+ }
+ else
+ {
+ struct sigcontext *sc = (struct sigcontext *) c->sigcontext_addr;
+
+ if (c->dwarf.eh_valid_mask & 0x1) sc->regs[0] = c->dwarf.eh_args[0];
+ if (c->dwarf.eh_valid_mask & 0x2) sc->regs[1] = c->dwarf.eh_args[1];
+ if (c->dwarf.eh_valid_mask & 0x4) sc->regs[2] = c->dwarf.eh_args[2];
+ if (c->dwarf.eh_valid_mask & 0x8) sc->regs[3] = c->dwarf.eh_args[3];
+
+ sc->regs[4] = uc->uc_mcontext.regs[4];
+ sc->regs[5] = uc->uc_mcontext.regs[5];
+ sc->regs[6] = uc->uc_mcontext.regs[6];
+ sc->regs[7] = uc->uc_mcontext.regs[7];
+ sc->regs[8] = uc->uc_mcontext.regs[8];
+ sc->regs[9] = uc->uc_mcontext.regs[9];
+ sc->regs[10] = uc->uc_mcontext.regs[10];
+ sc->regs[11] = uc->uc_mcontext.regs[11];
+ sc->regs[12] = uc->uc_mcontext.regs[12];
+ sc->regs[13] = uc->uc_mcontext.regs[13];
+ sc->regs[14] = uc->uc_mcontext.regs[14];
+ sc->regs[15] = uc->uc_mcontext.regs[15];
+ sc->regs[16] = uc->uc_mcontext.regs[16];
+ sc->regs[17] = uc->uc_mcontext.regs[17];
+ sc->regs[18] = uc->uc_mcontext.regs[18];
+ sc->regs[19] = uc->uc_mcontext.regs[19];
+ sc->regs[20] = uc->uc_mcontext.regs[20];
+ sc->regs[21] = uc->uc_mcontext.regs[21];
+ sc->regs[22] = uc->uc_mcontext.regs[22];
+ sc->regs[23] = uc->uc_mcontext.regs[23];
+ sc->regs[24] = uc->uc_mcontext.regs[24];
+ sc->regs[25] = uc->uc_mcontext.regs[25];
+ sc->regs[26] = uc->uc_mcontext.regs[26];
+ sc->regs[27] = uc->uc_mcontext.regs[27];
+ sc->regs[28] = uc->uc_mcontext.regs[28];
+ sc->regs[29] = uc->uc_mcontext.regs[29];
+ sc->regs[30] = uc->uc_mcontext.regs[30];
+ sc->sp = uc->uc_mcontext.sp;
+ sc->pc = uc->uc_mcontext.pc;
+ sc->pstate = uc->uc_mcontext.pstate;
+
+ asm volatile (
+ "mov sp, %0\n"
+ "ret %1\n"
+ : : "r" (c->sigcontext_sp), "r" (c->sigcontext_pc)
+ );
+ }
+ __builtin_unreachable();
+#else
+ printf ("%s: implement me\n", __FUNCTION__);
+#endif
+ return -UNW_EINVAL;
+}
+
+#endif /* !UNW_REMOTE_ONLY */
+
+static inline void
+establish_machine_state (struct cursor *c)
+{
+ unw_addr_space_t as = c->dwarf.as;
+ void *arg = c->dwarf.as_arg;
+ unw_fpreg_t fpval;
+ unw_word_t val;
+ int reg;
+
+ Debug (8, "copying out cursor state\n");
+
+ for (reg = 0; reg <= UNW_AARCH64_PSTATE; ++reg)
+ {
+ Debug (16, "copying %s %d\n", unw_regname (reg), reg);
+ if (unw_is_fpreg (reg))
+ {
+ if (tdep_access_fpreg (c, reg, &fpval, 0) >= 0)
+ as->acc.access_fpreg (as, reg, &fpval, 1, arg);
+ }
+ else
+ {
+ if (tdep_access_reg (c, reg, &val, 0) >= 0)
+ as->acc.access_reg (as, reg, &val, 1, arg);
+ }
+ }
+}
+
+PROTECTED int
+unw_resume (unw_cursor_t *cursor)
+{
+ struct cursor *c = (struct cursor *) cursor;
+
+ Debug (1, "(cursor=%p)\n", c);
+
+ if (!c->dwarf.ip)
+ {
+ /* This can happen easily when the frame-chain gets truncated
+ due to bad or missing unwind-info. */
+ Debug (1, "refusing to resume execution at address 0\n");
+ return -UNW_EINVAL;
+ }
+
+ establish_machine_state (c);
+
+ return (*c->dwarf.as->acc.resume) (c->dwarf.as, (unw_cursor_t *) c,
+ c->dwarf.as_arg);
+}
diff --git a/src/aarch64/Gstep.c b/src/aarch64/Gstep.c
new file mode 100644
index 0000000..4aa15d1
--- /dev/null
+++ b/src/aarch64/Gstep.c
@@ -0,0 +1,129 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2011-2013 Linaro Limited
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+#include "offsets.h"
+
+PROTECTED int
+unw_handle_signal_frame (unw_cursor_t *cursor)
+{
+ struct cursor *c = (struct cursor *) cursor;
+ int ret;
+ unw_word_t sc_addr, sp, sp_addr = c->dwarf.cfa;
+ struct dwarf_loc sp_loc = DWARF_LOC (sp_addr, 0);
+
+ if ((ret = dwarf_get (&c->dwarf, sp_loc, &sp)) < 0)
+ return -UNW_EUNSPEC;
+
+ ret = unw_is_signal_frame (cursor);
+ Debug(1, "unw_is_signal_frame()=%d\n", ret);
+
+ /* Save the SP and PC to be able to return execution at this point
+ later in time (unw_resume). */
+ c->sigcontext_sp = c->dwarf.cfa;
+ c->sigcontext_pc = c->dwarf.ip;
+
+ if (ret)
+ {
+ c->sigcontext_format = AARCH64_SCF_LINUX_RT_SIGFRAME;
+ sc_addr = sp_addr + sizeof (siginfo_t) + LINUX_UC_MCONTEXT_OFF;
+ }
+ else
+ return -UNW_EUNSPEC;
+
+ c->sigcontext_addr = sc_addr;
+
+ /* Update the dwarf cursor.
+ Set the location of the registers to the corresponding addresses of the
+ uc_mcontext / sigcontext structure contents. */
+ c->dwarf.loc[UNW_AARCH64_X0] = DWARF_LOC (sc_addr + LINUX_SC_X0_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X1] = DWARF_LOC (sc_addr + LINUX_SC_X1_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X2] = DWARF_LOC (sc_addr + LINUX_SC_X2_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X3] = DWARF_LOC (sc_addr + LINUX_SC_X3_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X4] = DWARF_LOC (sc_addr + LINUX_SC_X4_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X5] = DWARF_LOC (sc_addr + LINUX_SC_X5_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X6] = DWARF_LOC (sc_addr + LINUX_SC_X6_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X7] = DWARF_LOC (sc_addr + LINUX_SC_X7_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X8] = DWARF_LOC (sc_addr + LINUX_SC_X8_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X9] = DWARF_LOC (sc_addr + LINUX_SC_X9_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X10] = DWARF_LOC (sc_addr + LINUX_SC_X10_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X11] = DWARF_LOC (sc_addr + LINUX_SC_X11_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X12] = DWARF_LOC (sc_addr + LINUX_SC_X12_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X13] = DWARF_LOC (sc_addr + LINUX_SC_X13_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X14] = DWARF_LOC (sc_addr + LINUX_SC_X14_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X15] = DWARF_LOC (sc_addr + LINUX_SC_X15_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X16] = DWARF_LOC (sc_addr + LINUX_SC_X16_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X17] = DWARF_LOC (sc_addr + LINUX_SC_X17_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X18] = DWARF_LOC (sc_addr + LINUX_SC_X18_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X19] = DWARF_LOC (sc_addr + LINUX_SC_X19_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X20] = DWARF_LOC (sc_addr + LINUX_SC_X20_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X21] = DWARF_LOC (sc_addr + LINUX_SC_X21_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X22] = DWARF_LOC (sc_addr + LINUX_SC_X22_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X23] = DWARF_LOC (sc_addr + LINUX_SC_X23_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X24] = DWARF_LOC (sc_addr + LINUX_SC_X24_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X25] = DWARF_LOC (sc_addr + LINUX_SC_X25_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X26] = DWARF_LOC (sc_addr + LINUX_SC_X26_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X27] = DWARF_LOC (sc_addr + LINUX_SC_X27_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X28] = DWARF_LOC (sc_addr + LINUX_SC_X28_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X29] = DWARF_LOC (sc_addr + LINUX_SC_X29_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_X30] = DWARF_LOC (sc_addr + LINUX_SC_X30_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_SP] = DWARF_LOC (sc_addr + LINUX_SC_SP_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_PC] = DWARF_LOC (sc_addr + LINUX_SC_PC_OFF, 0);
+ c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_LOC (sc_addr + LINUX_SC_PSTATE_OFF, 0);
+
+ /* Set SP/CFA and PC/IP. */
+ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa);
+ dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip);
+
+ c->dwarf.pi_valid = 0;
+
+ return 1;
+}
+
+PROTECTED int
+unw_step (unw_cursor_t *cursor)
+{
+ struct cursor *c = (struct cursor *) cursor;
+ int ret;
+
+ Debug (1, "(cursor=%p, ip=0x%016lx, cfa=0x%016lx))\n",
+ c, c->dwarf.ip, c->dwarf.cfa);
+
+ /* Check if this is a signal frame. */
+ if (unw_is_signal_frame (cursor))
+ return unw_handle_signal_frame (cursor);
+
+ ret = dwarf_step (&c->dwarf);
+ Debug(1, "dwarf_step()=%d\n", ret);
+
+ if (unlikely (ret == -UNW_ESTOPUNWIND))
+ return ret;
+
+ if (unlikely (ret < 0))
+ return 0;
+
+ return (c->dwarf.ip == 0) ? 0 : 1;
+}
diff --git a/src/aarch64/Lcreate_addr_space.c b/src/aarch64/Lcreate_addr_space.c
new file mode 100644
index 0000000..0f2dc6b
--- /dev/null
+++ b/src/aarch64/Lcreate_addr_space.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gcreate_addr_space.c"
+#endif
diff --git a/src/aarch64/Lget_proc_info.c b/src/aarch64/Lget_proc_info.c
new file mode 100644
index 0000000..69028b0
--- /dev/null
+++ b/src/aarch64/Lget_proc_info.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gget_proc_info.c"
+#endif
diff --git a/src/aarch64/Lget_save_loc.c b/src/aarch64/Lget_save_loc.c
new file mode 100644
index 0000000..9ea048a
--- /dev/null
+++ b/src/aarch64/Lget_save_loc.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gget_save_loc.c"
+#endif
diff --git a/src/aarch64/Lglobal.c b/src/aarch64/Lglobal.c
new file mode 100644
index 0000000..6d7b489
--- /dev/null
+++ b/src/aarch64/Lglobal.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gglobal.c"
+#endif
diff --git a/src/aarch64/Linit.c b/src/aarch64/Linit.c
new file mode 100644
index 0000000..e9abfdd
--- /dev/null
+++ b/src/aarch64/Linit.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Ginit.c"
+#endif
diff --git a/src/aarch64/Linit_local.c b/src/aarch64/Linit_local.c
new file mode 100644
index 0000000..68a1687
--- /dev/null
+++ b/src/aarch64/Linit_local.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Ginit_local.c"
+#endif
diff --git a/src/aarch64/Linit_remote.c b/src/aarch64/Linit_remote.c
new file mode 100644
index 0000000..58cb04a
--- /dev/null
+++ b/src/aarch64/Linit_remote.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Ginit_remote.c"
+#endif
diff --git a/src/aarch64/Lis_signal_frame.c b/src/aarch64/Lis_signal_frame.c
new file mode 100644
index 0000000..b9a7c4f
--- /dev/null
+++ b/src/aarch64/Lis_signal_frame.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gis_signal_frame.c"
+#endif
diff --git a/src/aarch64/Lregs.c b/src/aarch64/Lregs.c
new file mode 100644
index 0000000..2c9c75c
--- /dev/null
+++ b/src/aarch64/Lregs.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gregs.c"
+#endif
diff --git a/src/aarch64/Lresume.c b/src/aarch64/Lresume.c
new file mode 100644
index 0000000..41a8cf0
--- /dev/null
+++ b/src/aarch64/Lresume.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gresume.c"
+#endif
diff --git a/src/aarch64/Lstep.c b/src/aarch64/Lstep.c
new file mode 100644
index 0000000..c1ac3c7
--- /dev/null
+++ b/src/aarch64/Lstep.c
@@ -0,0 +1,5 @@
+#define UNW_LOCAL_ONLY
+#include <libunwind.h>
+#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
+#include "Gstep.c"
+#endif
diff --git a/src/aarch64/gen-offsets.c b/src/aarch64/gen-offsets.c
new file mode 100644
index 0000000..eadc237
--- /dev/null
+++ b/src/aarch64/gen-offsets.c
@@ -0,0 +1,68 @@
+#include <stdio.h>
+#include <stddef.h>
+#include <ucontext.h>
+#include <asm/sigcontext.h>
+
+#define UC(N,X) \
+ printf ("#define LINUX_UC_" N "_OFF\t0x%X\n", offsetof (ucontext_t, X))
+
+#define SC(N,X) \
+ printf ("#define LINUX_SC_" N "_OFF\t0x%X\n", offsetof (struct sigcontext, X))
+
+int
+main (void)
+{
+ printf (
+"/* Linux-specific definitions: */\n\n"
+
+"/* Define various structure offsets to simplify cross-compilation. */\n\n"
+
+"/* Offsets for AArch64 Linux \"ucontext_t\": */\n\n");
+
+ UC ("FLAGS", uc_flags);
+ UC ("LINK", uc_link);
+ UC ("STACK", uc_stack);
+ UC ("MCONTEXT", uc_mcontext);
+ UC ("SIGMASK", uc_sigmask);
+
+ printf ("\n/* Offsets for AArch64 Linux \"struct sigcontext\": */\n\n");
+
+ SC ("R0", regs[0]);
+ SC ("R1", regs[1]);
+ SC ("R2", regs[2]);
+ SC ("R3", regs[3]);
+ SC ("R4", regs[4]);
+ SC ("R5", regs[5]);
+ SC ("R6", regs[6]);
+ SC ("R7", regs[7]);
+ SC ("R8", regs[8]);
+ SC ("R9", regs[9]);
+ SC ("R10", regs[10]);
+ SC ("R11", regs[11]);
+ SC ("R12", regs[12]);
+ SC ("R13", regs[13]);
+ SC ("R14", regs[14]);
+ SC ("R15", regs[15]);
+ SC ("R16", regs[16]);
+ SC ("R17", regs[17]);
+ SC ("R18", regs[18]);
+ SC ("R19", regs[19]);
+ SC ("R20", regs[20]);
+ SC ("R21", regs[21]);
+ SC ("R22", regs[22]);
+ SC ("R23", regs[23]);
+ SC ("R24", regs[24]);
+ SC ("R25", regs[25]);
+ SC ("R26", regs[26]);
+ SC ("R27", regs[27]);
+ SC ("R28", regs[28]);
+ SC ("R29", regs[29]);
+ SC ("R30", regs[30]);
+ SC ("R31", regs[31]);
+
+ SC ("PC", pc);
+ SC ("SP", sp);
+ SC ("Fault", fault_address);
+ SC ("state", pstate);
+ return 0;
+}
diff --git a/src/aarch64/init.h b/src/aarch64/init.h
new file mode 100644
index 0000000..0cedc1a
--- /dev/null
+++ b/src/aarch64/init.h
@@ -0,0 +1,127 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+
+static inline int
+common_init (struct cursor *c, unsigned use_prev_instr)
+{
+ int ret, i;
+
+ c->dwarf.loc[UNW_AARCH64_X0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X0);
+ c->dwarf.loc[UNW_AARCH64_X1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X1);
+ c->dwarf.loc[UNW_AARCH64_X2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X2);
+ c->dwarf.loc[UNW_AARCH64_X3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X3);
+ c->dwarf.loc[UNW_AARCH64_X4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X4);
+ c->dwarf.loc[UNW_AARCH64_X5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X5);
+ c->dwarf.loc[UNW_AARCH64_X6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X6);
+ c->dwarf.loc[UNW_AARCH64_X7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X7);
+ c->dwarf.loc[UNW_AARCH64_X8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X8);
+ c->dwarf.loc[UNW_AARCH64_X9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X9);
+ c->dwarf.loc[UNW_AARCH64_X10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X10);
+ c->dwarf.loc[UNW_AARCH64_X11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X11);
+ c->dwarf.loc[UNW_AARCH64_X12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X12);
+ c->dwarf.loc[UNW_AARCH64_X13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X13);
+ c->dwarf.loc[UNW_AARCH64_X14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X14);
+ c->dwarf.loc[UNW_AARCH64_X15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X15);
+ c->dwarf.loc[UNW_AARCH64_X16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X16);
+ c->dwarf.loc[UNW_AARCH64_X17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X17);
+ c->dwarf.loc[UNW_AARCH64_X18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X18);
+ c->dwarf.loc[UNW_AARCH64_X19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X19);
+ c->dwarf.loc[UNW_AARCH64_X20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X20);
+ c->dwarf.loc[UNW_AARCH64_X21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X21);
+ c->dwarf.loc[UNW_AARCH64_X22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X22);
+ c->dwarf.loc[UNW_AARCH64_X23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X23);
+ c->dwarf.loc[UNW_AARCH64_X24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X24);
+ c->dwarf.loc[UNW_AARCH64_X25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X25);
+ c->dwarf.loc[UNW_AARCH64_X26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X26);
+ c->dwarf.loc[UNW_AARCH64_X27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X27);
+ c->dwarf.loc[UNW_AARCH64_X28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X28);
+ c->dwarf.loc[UNW_AARCH64_X29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X29);
+ c->dwarf.loc[UNW_AARCH64_X30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_X30);
+ c->dwarf.loc[UNW_AARCH64_SP] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_SP);
+ c->dwarf.loc[UNW_AARCH64_PC] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_PC);
+ c->dwarf.loc[UNW_AARCH64_PSTATE] = DWARF_REG_LOC (&c->dwarf,
+ UNW_AARCH64_PSTATE);
+ c->dwarf.loc[UNW_AARCH64_V0] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V0);
+ c->dwarf.loc[UNW_AARCH64_V1] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V1);
+ c->dwarf.loc[UNW_AARCH64_V2] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V2);
+ c->dwarf.loc[UNW_AARCH64_V3] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V3);
+ c->dwarf.loc[UNW_AARCH64_V4] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V4);
+ c->dwarf.loc[UNW_AARCH64_V5] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V5);
+ c->dwarf.loc[UNW_AARCH64_V6] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V6);
+ c->dwarf.loc[UNW_AARCH64_V7] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V7);
+ c->dwarf.loc[UNW_AARCH64_V8] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V8);
+ c->dwarf.loc[UNW_AARCH64_V9] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V9);
+ c->dwarf.loc[UNW_AARCH64_V10] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V10);
+ c->dwarf.loc[UNW_AARCH64_V11] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V11);
+ c->dwarf.loc[UNW_AARCH64_V12] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V12);
+ c->dwarf.loc[UNW_AARCH64_V13] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V13);
+ c->dwarf.loc[UNW_AARCH64_V14] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V14);
+ c->dwarf.loc[UNW_AARCH64_V15] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V15);
+ c->dwarf.loc[UNW_AARCH64_V16] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V16);
+ c->dwarf.loc[UNW_AARCH64_V17] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V17);
+ c->dwarf.loc[UNW_AARCH64_V18] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V18);
+ c->dwarf.loc[UNW_AARCH64_V19] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V19);
+ c->dwarf.loc[UNW_AARCH64_V20] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V20);
+ c->dwarf.loc[UNW_AARCH64_V21] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V21);
+ c->dwarf.loc[UNW_AARCH64_V22] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V22);
+ c->dwarf.loc[UNW_AARCH64_V23] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V23);
+ c->dwarf.loc[UNW_AARCH64_V24] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V24);
+ c->dwarf.loc[UNW_AARCH64_V25] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V25);
+ c->dwarf.loc[UNW_AARCH64_V26] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V26);
+ c->dwarf.loc[UNW_AARCH64_V27] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V27);
+ c->dwarf.loc[UNW_AARCH64_V28] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V28);
+ c->dwarf.loc[UNW_AARCH64_V29] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V29);
+ c->dwarf.loc[UNW_AARCH64_V30] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V30);
+ c->dwarf.loc[UNW_AARCH64_V31] = DWARF_REG_LOC (&c->dwarf, UNW_AARCH64_V31);
+
+ for (i = UNW_AARCH64_PSTATE + 1; i < UNW_AARCH64_V0; ++i)
+ c->dwarf.loc[i] = DWARF_NULL_LOC;
+
+ ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_PC], &c->dwarf.ip);
+ if (ret < 0)
+ return ret;
+
+ ret = dwarf_get (&c->dwarf, c->dwarf.loc[UNW_AARCH64_SP], &c->dwarf.cfa);
+ if (ret < 0)
+ return ret;
+
+ c->sigcontext_format = AARCH64_SCF_NONE;
+ c->sigcontext_addr = 0;
+ c->sigcontext_sp = 0;
+ c->sigcontext_pc = 0;
+
+ c->dwarf.args_size = 0;
+ c->dwarf.ret_addr_column = 0;
+ c->dwarf.stash_frames = 0;
+ c->dwarf.use_prev_instr = use_prev_instr;
+ c->dwarf.pi_valid = 0;
+ c->dwarf.pi_is_dynamic = 0;
+ c->dwarf.hint = 0;
+ c->dwarf.prev_rs = 0;
+
+ return 0;
+}
diff --git a/src/aarch64/is_fpreg.c b/src/aarch64/is_fpreg.c
new file mode 100644
index 0000000..7c32693
--- /dev/null
+++ b/src/aarch64/is_fpreg.c
@@ -0,0 +1,32 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "libunwind_i.h"
+
+PROTECTED int
+unw_is_fpreg (int regnum)
+{
+ return (regnum >= UNW_AARCH64_V0 && regnum <= UNW_AARCH64_V31);
+}
diff --git a/src/aarch64/offsets.h b/src/aarch64/offsets.h
new file mode 100644
index 0000000..81aa74f
--- /dev/null
+++ b/src/aarch64/offsets.h
@@ -0,0 +1,49 @@
+/* Linux-specific definitions: */
+
+/* Define various structure offsets to simplify cross-compilation. */
+
+/* Offsets for AArch64 Linux "ucontext_t": */
+
+#define LINUX_UC_FLAGS_OFF 0x0
+#define LINUX_UC_LINK_OFF 0x8
+#define LINUX_UC_STACK_OFF 0x10
+#define LINUX_UC_SIGMASK_OFF 0x28
+#define LINUX_UC_MCONTEXT_OFF 0xb0
+
+/* Offsets for AArch64 Linux "struct sigcontext": */
+
+#define LINUX_SC_FAULTADDRESS_OFF 0x00
+#define LINUX_SC_X0_OFF 0x008
+#define LINUX_SC_X1_OFF 0x010
+#define LINUX_SC_X2_OFF 0x018
+#define LINUX_SC_X3_OFF 0x020
+#define LINUX_SC_X4_OFF 0x028
+#define LINUX_SC_X5_OFF 0x030
+#define LINUX_SC_X6_OFF 0x038
+#define LINUX_SC_X7_OFF 0x040
+#define LINUX_SC_X8_OFF 0x048
+#define LINUX_SC_X9_OFF 0x050
+#define LINUX_SC_X10_OFF 0x058
+#define LINUX_SC_X11_OFF 0x060
+#define LINUX_SC_X12_OFF 0x068
+#define LINUX_SC_X13_OFF 0x070
+#define LINUX_SC_X14_OFF 0x078
+#define LINUX_SC_X15_OFF 0x080
+#define LINUX_SC_X16_OFF 0x088
+#define LINUX_SC_X17_OFF 0x090
+#define LINUX_SC_X18_OFF 0x098
+#define LINUX_SC_X19_OFF 0x0a0
+#define LINUX_SC_X20_OFF 0x0a8
+#define LINUX_SC_X21_OFF 0x0b0
+#define LINUX_SC_X22_OFF 0x0b8
+#define LINUX_SC_X23_OFF 0x0c0
+#define LINUX_SC_X24_OFF 0x0c8
+#define LINUX_SC_X25_OFF 0x0d0
+#define LINUX_SC_X26_OFF 0x0d8
+#define LINUX_SC_X27_OFF 0x0e0
+#define LINUX_SC_X28_OFF 0x0e8
+#define LINUX_SC_X29_OFF 0x0f0
+#define LINUX_SC_X30_OFF 0x0f8
+#define LINUX_SC_SP_OFF 0x100
+#define LINUX_SC_PC_OFF 0x108
+#define LINUX_SC_PSTATE_OFF 0x110
diff --git a/src/aarch64/regname.c b/src/aarch64/regname.c
new file mode 100644
index 0000000..8c97342
--- /dev/null
+++ b/src/aarch64/regname.c
@@ -0,0 +1,106 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2012 Tommi Rantala <tt.rantala@gmail.com>
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "unwind_i.h"
+
+static const char *const regname[] =
+ {
+ [UNW_AARCH64_X0] = "x0",
+ [UNW_AARCH64_X1] = "x1",
+ [UNW_AARCH64_X2] = "x2",
+ [UNW_AARCH64_X3] = "x3",
+ [UNW_AARCH64_X4] = "x4",
+ [UNW_AARCH64_X5] = "x5",
+ [UNW_AARCH64_X6] = "x6",
+ [UNW_AARCH64_X7] = "x7",
+ [UNW_AARCH64_X8] = "x8",
+ [UNW_AARCH64_X9] = "x9",
+ [UNW_AARCH64_X10] = "x10",
+ [UNW_AARCH64_X11] = "x11",
+ [UNW_AARCH64_X12] = "x12",
+ [UNW_AARCH64_X13] = "x13",
+ [UNW_AARCH64_X14] = "x14",
+ [UNW_AARCH64_X15] = "x15",
+ [UNW_AARCH64_X16] = "ip0",
+ [UNW_AARCH64_X17] = "ip1",
+ [UNW_AARCH64_X18] = "x18",
+ [UNW_AARCH64_X19] = "x19",
+ [UNW_AARCH64_X20] = "x20",
+ [UNW_AARCH64_X21] = "x21",
+ [UNW_AARCH64_X22] = "x22",
+ [UNW_AARCH64_X23] = "x23",
+ [UNW_AARCH64_X24] = "x24",
+ [UNW_AARCH64_X25] = "x25",
+ [UNW_AARCH64_X26] = "x26",
+ [UNW_AARCH64_X27] = "x27",
+ [UNW_AARCH64_X28] = "x28",
+ [UNW_AARCH64_X29] = "fp",
+ [UNW_AARCH64_X30] = "lr",
+ [UNW_AARCH64_SP] = "sp",
+ [UNW_AARCH64_PC] = "pc",
+ [UNW_AARCH64_V0] = "v0",
+ [UNW_AARCH64_V1] = "v1",
+ [UNW_AARCH64_V2] = "v2",
+ [UNW_AARCH64_V3] = "v3",
+ [UNW_AARCH64_V4] = "v4",
+ [UNW_AARCH64_V5] = "v5",
+ [UNW_AARCH64_V6] = "v6",
+ [UNW_AARCH64_V7] = "v7",
+ [UNW_AARCH64_V8] = "v8",
+ [UNW_AARCH64_V9] = "v9",
+ [UNW_AARCH64_V10] = "v10",
+ [UNW_AARCH64_V11] = "v11",
+ [UNW_AARCH64_V12] = "v12",
+ [UNW_AARCH64_V13] = "v13",
+ [UNW_AARCH64_V14] = "v14",
+ [UNW_AARCH64_V15] = "v15",
+ [UNW_AARCH64_V16] = "v16",
+ [UNW_AARCH64_V17] = "v17",
+ [UNW_AARCH64_V18] = "v18",
+ [UNW_AARCH64_V19] = "v19",
+ [UNW_AARCH64_V20] = "v20",
+ [UNW_AARCH64_V21] = "v21",
+ [UNW_AARCH64_V22] = "v22",
+ [UNW_AARCH64_V23] = "v23",
+ [UNW_AARCH64_V24] = "v24",
+ [UNW_AARCH64_V25] = "v25",
+ [UNW_AARCH64_V26] = "v26",
+ [UNW_AARCH64_V27] = "v27",
+ [UNW_AARCH64_V28] = "v28",
+ [UNW_AARCH64_V29] = "v29",
+ [UNW_AARCH64_V30] = "v30",
+ [UNW_AARCH64_V31] = "v31",
+ [UNW_AARCH64_FPSR] = "fpsr",
+ [UNW_AARCH64_FPCR] = "fpcr",
+ };
+
+PROTECTED const char *
+unw_regname (unw_regnum_t reg)
+{
+ if (reg < (unw_regnum_t) ARRAY_SIZE (regname) && regname[reg] != NULL)
+ return regname[reg];
+ else
+ return "???";
+}
diff --git a/src/aarch64/siglongjmp.S b/src/aarch64/siglongjmp.S
new file mode 100644
index 0000000..9985c4b
--- /dev/null
+++ b/src/aarch64/siglongjmp.S
@@ -0,0 +1,12 @@
+ /* Dummy implementation for now. */
+
+ .global _UI_siglongjmp_cont
+ .global _UI_longjmp_cont
+
+_UI_siglongjmp_cont:
+_UI_longjmp_cont:
+ ret
+#ifdef __linux__
+ /* We do not need executable stack. */
+ .section .note.GNU-stack,"",%progbits
+#endif
diff --git a/src/aarch64/unwind_i.h b/src/aarch64/unwind_i.h
new file mode 100644
index 0000000..e4947a3
--- /dev/null
+++ b/src/aarch64/unwind_i.h
@@ -0,0 +1,43 @@
+/* libunwind - a platform-independent unwind library
+ Copyright (C) 2008 CodeSourcery
+ Copyright (C) 2013 Linaro Limited
+
+This file is part of libunwind.
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#ifndef unwind_i_h
+#define unwind_i_h
+
+#include <stdint.h>
+
+#include <libunwind-aarch64.h>
+
+#include "libunwind_i.h"
+
+#define aarch64_lock UNW_OBJ(lock)
+#define aarch64_local_resume UNW_OBJ(local_resume)
+#define aarch64_local_addr_space_init UNW_OBJ(local_addr_space_init)
+
+extern void aarch64_local_addr_space_init (void);
+extern int aarch64_local_resume (unw_addr_space_t as, unw_cursor_t *cursor,
+ void *arg);
+
+#endif /* unwind_i_h */
diff --git a/src/coredump/_UCD_access_reg_linux.c b/src/coredump/_UCD_access_reg_linux.c
index bc360ad..9dc0904 100644
--- a/src/coredump/_UCD_access_reg_linux.c
+++ b/src/coredump/_UCD_access_reg_linux.c
@@ -39,7 +39,10 @@ _UCD_access_reg (unw_addr_space_t as,
return -UNW_EINVAL;
}
-#if defined(UNW_TARGET_ARM)
+#if defined(UNW_TARGET_AARCH64)
+ if (regnum < 0 || regnum >= UNW_AARCH64_FPCR)
+ goto badreg;
+#elif defined(UNW_TARGET_ARM)
if (regnum < 0 || regnum >= 16)
goto badreg;
#elif defined(UNW_TARGET_SH)
diff --git a/src/ptrace/_UPT_reg_offset.c b/src/ptrace/_UPT_reg_offset.c
index 765f7d5..ced4896 100644
--- a/src/ptrace/_UPT_reg_offset.c
+++ b/src/ptrace/_UPT_reg_offset.c
@@ -1,6 +1,7 @@
/* libunwind - a platform-independent unwind library
Copyright (C) 2003-2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
+ Copyright (C) 2013 Linaro Limited
This file is part of libunwind.
@@ -501,6 +502,41 @@ const int _UPT_reg_offset[UNW_REG_LAST + 1] =
[UNW_ARM_R15] = 0x3c,
#elif defined(UNW_TARGET_MIPS)
#elif defined(UNW_TARGET_SH)
+#elif defined(UNW_TARGET_AARCH64)
+ [UNW_AARCH64_X0] = 0x00,
+ [UNW_AARCH64_X1] = 0x08,
+ [UNW_AARCH64_X2] = 0x10,
+ [UNW_AARCH64_X3] = 0x18,
+ [UNW_AARCH64_X4] = 0x20,
+ [UNW_AARCH64_X5] = 0x28,
+ [UNW_AARCH64_X6] = 0x30,
+ [UNW_AARCH64_X7] = 0x38,
+ [UNW_AARCH64_X8] = 0x40,
+ [UNW_AARCH64_X9] = 0x48,
+ [UNW_AARCH64_X10] = 0x50,
+ [UNW_AARCH64_X11] = 0x58,
+ [UNW_AARCH64_X12] = 0x60,
+ [UNW_AARCH64_X13] = 0x68,
+ [UNW_AARCH64_X14] = 0x70,
+ [UNW_AARCH64_X15] = 0x78,
+ [UNW_AARCH64_X16] = 0x80,
+ [UNW_AARCH64_X17] = 0x88,
+ [UNW_AARCH64_X18] = 0x90,
+ [UNW_AARCH64_X19] = 0x98,
+ [UNW_AARCH64_X20] = 0xa0,
+ [UNW_AARCH64_X21] = 0xa8,
+ [UNW_AARCH64_X22] = 0xb0,
+ [UNW_AARCH64_X23] = 0xb8,
+ [UNW_AARCH64_X24] = 0xc0,
+ [UNW_AARCH64_X25] = 0xc8,
+ [UNW_AARCH64_X26] = 0xd0,
+ [UNW_AARCH64_X27] = 0xd8,
+ [UNW_AARCH64_X28] = 0xe0,
+ [UNW_AARCH64_X29] = 0xe8,
+ [UNW_AARCH64_X30] = 0xf0,
+ [UNW_AARCH64_SP] = 0xf8,
+ [UNW_AARCH64_PC] = 0x100,
+ [UNW_AARCH64_PSTATE] = 0x108
#else
# error Fix me.
#endif
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