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[PATCH] AArch64 port.

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This commit is contained in:
Yvan Roux 2013-05-11 09:18:23 -06:00 committed by Arun Sharma
parent 612e1056f6
commit ac6c0a6535
43 changed files with 2184 additions and 7 deletions
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6
Makefile.am
View file

@ -2,6 +2,9 @@ include_HEADERS = include/libunwind-dynamic.h \
include/libunwind-ptrace.h \ include/libunwind-ptrace.h \
include/libunwind-coredump.h include/libunwind-coredump.h
if ARCH_AARCH64
include_HEADERS += include/libunwind-aarch64.h
endif
if ARCH_ARM if ARCH_ARM
include_HEADERS += include/libunwind-arm.h include_HEADERS += include/libunwind-arm.h
endif endif
@ -41,6 +44,9 @@ SUBDIRS = src tests doc
noinst_HEADERS = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h \ noinst_HEADERS = include/dwarf.h include/dwarf_i.h include/dwarf-eh.h \
include/compiler.h include/libunwind_i.h include/mempool.h \ include/compiler.h include/libunwind_i.h include/mempool.h \
include/remote.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/dwarf-config.h include/tdep-arm/ex_tables.h \
include/tdep-arm/jmpbuf.h include/tdep-arm/libunwind_i.h \ include/tdep-arm/jmpbuf.h include/tdep-arm/libunwind_i.h \
include/tdep-ia64/jmpbuf.h include/tdep-ia64/rse.h \ include/tdep-ia64/jmpbuf.h include/tdep-ia64/rse.h \

1
README
View file

@ -9,6 +9,7 @@ several architecture/operating-system combinations:
Linux/IA-64: Fully tested and supported. Linux/IA-64: Fully tested and supported.
Linux/PARISC: Works well, but C library missing unwind-info. Linux/PARISC: Works well, but C library missing unwind-info.
HP-UX/IA-64: Mostly works but known to have some serious limitations. HP-UX/IA-64: Mostly works but known to have some serious limitations.
Linux/AArch64: Newly added.
Linux/PPC64: Newly added. Linux/PPC64: Newly added.
Linux/SuperH: Newly added. Linux/SuperH: Newly added.
FreeBSD/i386: Newly added. FreeBSD/i386: Newly added.

6
configure.ac
View file

@ -104,7 +104,7 @@ SET_ARCH([$target_cpu],[target_arch])
AC_ARG_ENABLE(coredump, AC_ARG_ENABLE(coredump,
AS_HELP_STRING([--enable-coredump],[building libunwind-coredump library]),, AS_HELP_STRING([--enable-coredump],[building libunwind-coredump library]),,
[AS_CASE([$host_arch], [arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])] [AS_CASE([$host_arch], [aarch64*|arm*|mips*|sh*|x86*], [enable_coredump=yes], [enable_coredump=no])]
) )
AC_MSG_CHECKING([if we should build libunwind-coredump]) AC_MSG_CHECKING([if we should build libunwind-coredump])
@ -139,6 +139,7 @@ AM_CONDITIONAL(BUILD_COREDUMP, test x$enable_coredump = xyes)
AM_CONDITIONAL(BUILD_PTRACE, test x$enable_ptrace = xyes) AM_CONDITIONAL(BUILD_PTRACE, test x$enable_ptrace = xyes)
AM_CONDITIONAL(BUILD_SETJMP, test x$enable_setjmp = xyes) AM_CONDITIONAL(BUILD_SETJMP, test x$enable_setjmp = xyes)
AM_CONDITIONAL(REMOTE_ONLY, test x$target_arch != x$host_arch) 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_ARM, test x$target_arch = xarm)
AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64) AM_CONDITIONAL(ARCH_IA64, test x$target_arch = xia64)
AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa) AM_CONDITIONAL(ARCH_HPPA, test x$target_arch = xhppa)
@ -155,7 +156,7 @@ AM_CONDITIONAL(OS_FREEBSD, expr x$target_os : xfreebsd >/dev/null)
AC_MSG_CHECKING([for ELF helper width]) AC_MSG_CHECKING([for ELF helper width])
case "${target_arch}" in case "${target_arch}" in
(arm|hppa|ppc32|x86|sh) use_elf32=yes; AC_MSG_RESULT([32]);; (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]);; (mips) use_elfxx=yes; AC_MSG_RESULT([xx]);;
*) AC_MSG_ERROR([Unknown ELF target: ${target_arch}]) *) AC_MSG_ERROR([Unknown ELF target: ${target_arch}])
esac esac
@ -204,6 +205,7 @@ AS_HELP_STRING([--enable-cxx-exceptions],[use libunwind to handle C++ exceptions
# C++ exception handling doesn't work too well on x86 # C++ exception handling doesn't work too well on x86
case $target_arch in case $target_arch in
x86*) enable_cxx_exceptions=no;; x86*) enable_cxx_exceptions=no;;
aarch64*) enable_cxx_exceptions=no;;
arm*) enable_cxx_exceptions=no;; arm*) enable_cxx_exceptions=no;;
mips*) enable_cxx_exceptions=no;; mips*) enable_cxx_exceptions=no;;
*) enable_cxx_exceptions=yes;; *) enable_cxx_exceptions=yes;;

187
include/libunwind-aarch64.h Normal file
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@ -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 */

4
include/libunwind.h.in
View file

@ -3,7 +3,9 @@
#ifndef UNW_REMOTE_ONLY #ifndef UNW_REMOTE_ONLY
#if defined __arm__ #if defined __aarch64__
#include "libunwind-aarch64.h"
#elif defined __arm__
# include "libunwind-arm.h" # include "libunwind-arm.h"
#elif defined __hppa__ #elif defined __hppa__
# include "libunwind-hppa.h" # include "libunwind-hppa.h"

52
include/tdep-aarch64/dwarf-config.h Normal file
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@ -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 */

33
include/tdep-aarch64/jmpbuf.h Normal file
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@ -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

294
include/tdep-aarch64/libunwind_i.h Normal file
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@ -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 */

4
include/tdep/dwarf-config.h
View file

@ -1,7 +1,9 @@
/* Provide a real file - not a symlink - as it would cause multiarch conflicts /* Provide a real file - not a symlink - as it would cause multiarch conflicts
when multiple different arch releases are installed simultaneously. */ 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" # include "tdep-arm/dwarf-config.h"
#elif defined __hppa__ #elif defined __hppa__
# include "tdep-hppa/dwarf-config.h" # include "tdep-hppa/dwarf-config.h"

2
include/tdep/jmpbuf.h
View file

@ -3,6 +3,8 @@
#ifndef UNW_REMOTE_ONLY #ifndef UNW_REMOTE_ONLY
#if defined __aarch64__
# include "tdep-aarch64/jmpbuf.h"
#if defined __arm__ #if defined __arm__
# include "tdep-arm/jmpbuf.h" # include "tdep-arm/jmpbuf.h"
#elif defined __hppa__ #elif defined __hppa__

4
include/tdep/libunwind_i.h.in
View file

@ -3,7 +3,9 @@
#ifndef UNW_REMOTE_ONLY #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" # include "tdep-arm/libunwind_i.h"
#elif defined __hppa__ #elif defined __hppa__
# include "tdep-hppa/libunwind_i.h" # include "tdep-hppa/libunwind_i.h"

39
src/Makefile.am
View file

@ -180,6 +180,28 @@ libunwind_elfxx_la_SOURCES = elfxx.c
noinst_LTLIBRARIES += $(LIBUNWIND_ELF) noinst_LTLIBRARIES += $(LIBUNWIND_ELF)
libunwind_la_LIBADD += $(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: # The list of files that go into libunwind and libunwind-arm:
noinst_HEADERS += arm/init.h arm/offsets.h arm/unwind_i.h noinst_HEADERS += arm/init.h arm/offsets.h arm/unwind_i.h
libunwind_la_SOURCES_arm_common = $(libunwind_la_SOURCES_common) \ libunwind_la_SOURCES_arm_common = $(libunwind_la_SOURCES_common) \
@ -428,6 +450,18 @@ if OS_FREEBSD
libunwind_coredump_la_SOURCES += coredump/_UCD_access_reg_freebsd.c libunwind_coredump_la_SOURCES += coredump/_UCD_access_reg_freebsd.c
endif 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 if ARCH_ARM
lib_LTLIBRARIES += libunwind-arm.la lib_LTLIBRARIES += libunwind-arm.la
libunwind_la_SOURCES = $(libunwind_la_SOURCES_arm) libunwind_la_SOURCES = $(libunwind_la_SOURCES_arm)
@ -555,6 +589,7 @@ endif # ARCH_MIPS
endif # ARCH_HPPA endif # ARCH_HPPA
endif # ARCH_IA64 endif # ARCH_IA64
endif # ARCH_ARM endif # ARCH_ARM
endif # ARCH_AARCH64
# libunwind-setjmp depends on libunwind-$(arch). Therefore must be added # libunwind-setjmp depends on libunwind-$(arch). Therefore must be added
# at the end. # at the end.
@ -577,7 +612,8 @@ AM_CPPFLAGS = -I$(top_srcdir)/include -I$(top_srcdir)/include/tdep-$(arch) -I.
AM_CCASFLAGS = $(AM_CPPFLAGS) AM_CCASFLAGS = $(AM_CPPFLAGS)
noinst_HEADERS += unwind/unwind-internal.h 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_hppa) \
$(libunwind_la_SOURCES_ia64) \ $(libunwind_la_SOURCES_ia64) \
$(libunwind_la_SOURCES_mips) \ $(libunwind_la_SOURCES_mips) \
@ -589,6 +625,7 @@ EXTRA_DIST = $(libunwind_la_SOURCES_arm) \
$(libunwind_la_SOURCES_common) \ $(libunwind_la_SOURCES_common) \
$(libunwind_la_SOURCES_local) \ $(libunwind_la_SOURCES_local) \
$(libunwind_la_SOURCES_generic) \ $(libunwind_la_SOURCES_generic) \
$(libunwind_aarch64_la_SOURCES_aarch64) \
$(libunwind_arm_la_SOURCES_arm) \ $(libunwind_arm_la_SOURCES_arm) \
$(libunwind_hppa_la_SOURCES_hppa) \ $(libunwind_hppa_la_SOURCES_hppa) \
$(libunwind_ia64_la_SOURCES_ia64) \ $(libunwind_ia64_la_SOURCES_ia64) \

60
src/aarch64/Gcreate_addr_space.c Normal file
View file

@ -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
}

39
src/aarch64/Gget_proc_info.c Normal file
View file

@ -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;
}

100
src/aarch64/Gget_save_loc.c Normal file
View file

@ -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;
}

57
src/aarch64/Gglobal.c Normal file
View file

@ -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);
}

187
src/aarch64/Ginit.c Normal file
View file

@ -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 */

55
src/aarch64/Ginit_local.c Normal file
View file

@ -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 */

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/* 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 */
}

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/* 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
}

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/* 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;
}

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/* 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)
);
}
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);
}

129
src/aarch64/Gstep.c Normal file
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/* 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;
}

5
src/aarch64/Lcreate_addr_space.c Normal file
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#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gcreate_addr_space.c"
#endif

5
src/aarch64/Lget_proc_info.c Normal file
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@ -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

5
src/aarch64/Lget_save_loc.c Normal file
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@ -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

5
src/aarch64/Lglobal.c Normal file
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@ -0,0 +1,5 @@
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gglobal.c"
#endif

5
src/aarch64/Linit.c Normal file
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@ -0,0 +1,5 @@
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Ginit.c"
#endif

5
src/aarch64/Linit_local.c Normal file
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@ -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

5
src/aarch64/Linit_remote.c Normal file
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@ -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

5
src/aarch64/Lis_signal_frame.c Normal file
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@ -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

5
src/aarch64/Lregs.c Normal file
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@ -0,0 +1,5 @@
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gregs.c"
#endif

5
src/aarch64/Lresume.c Normal file
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@ -0,0 +1,5 @@
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gresume.c"
#endif

5
src/aarch64/Lstep.c Normal file
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@ -0,0 +1,5 @@
#define UNW_LOCAL_ONLY
#include <libunwind.h>
#if defined(UNW_LOCAL_ONLY) && !defined(UNW_REMOTE_ONLY)
#include "Gstep.c"
#endif

68
src/aarch64/gen-offsets.c Normal file
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@ -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;
}

127
src/aarch64/init.h Normal file
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@ -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;
}

32
src/aarch64/is_fpreg.c Normal file
View file

@ -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);
}

49
src/aarch64/offsets.h Normal file
View file

@ -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

106
src/aarch64/regname.c Normal file
View file

@ -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 "???";
}

12
src/aarch64/siglongjmp.S Normal file
View file

@ -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

43
src/aarch64/unwind_i.h Normal file
View file

@ -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 */

5
src/coredump/_UCD_access_reg_linux.c
View file

@ -39,7 +39,10 @@ _UCD_access_reg (unw_addr_space_t as,
return -UNW_EINVAL; 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) if (regnum < 0 || regnum >= 16)
goto badreg; goto badreg;
#elif defined(UNW_TARGET_SH) #elif defined(UNW_TARGET_SH)

36
src/ptrace/_UPT_reg_offset.c
View file

@ -1,6 +1,7 @@
/* libunwind - a platform-independent unwind library /* libunwind - a platform-independent unwind library
Copyright (C) 2003-2004 Hewlett-Packard Co Copyright (C) 2003-2004 Hewlett-Packard Co
Contributed by David Mosberger-Tang <davidm@hpl.hp.com> Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
Copyright (C) 2013 Linaro Limited
This file is part of libunwind. This file is part of libunwind.
@ -501,6 +502,41 @@ const int _UPT_reg_offset[UNW_REG_LAST + 1] =
[UNW_ARM_R15] = 0x3c, [UNW_ARM_R15] = 0x3c,
#elif defined(UNW_TARGET_MIPS) #elif defined(UNW_TARGET_MIPS)
#elif defined(UNW_TARGET_SH) #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 #else
# error Fix me. # error Fix me.
#endif #endif