mirror of
https://github.com/tobast/libunwind-eh_elf.git
synced 2024-09-11 08:42:52 +02:00
162 lines
4 KiB
C
162 lines
4 KiB
C
![]() |
/* libunwind - a platform-independent unwind library
|
||
|
Copyright (C) 2008 CodeSourcery
|
||
|
Copyright (C) 2014 Tilera Corp.
|
||
|
|
||
|
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 <ucontext.h>
|
||
|
|
||
|
#define UNW_TARGET tilegx
|
||
|
#define UNW_TARGET_TILEGX 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
|
||
|
|
||
|
/* The size of a "word" varies on TILEGX. This type is used for memory
|
||
|
addresses and register values. */
|
||
|
typedef uint64_t unw_word_t;
|
||
|
typedef int64_t unw_sword_t;
|
||
|
|
||
|
typedef long double unw_tdep_fpreg_t;
|
||
|
|
||
|
typedef enum
|
||
|
{
|
||
|
UNW_TILEGX_R0,
|
||
|
UNW_TILEGX_R1,
|
||
|
UNW_TILEGX_R2,
|
||
|
UNW_TILEGX_R3,
|
||
|
UNW_TILEGX_R4,
|
||
|
UNW_TILEGX_R5,
|
||
|
UNW_TILEGX_R6,
|
||
|
UNW_TILEGX_R7,
|
||
|
UNW_TILEGX_R8,
|
||
|
UNW_TILEGX_R9,
|
||
|
UNW_TILEGX_R10,
|
||
|
UNW_TILEGX_R11,
|
||
|
UNW_TILEGX_R12,
|
||
|
UNW_TILEGX_R13,
|
||
|
UNW_TILEGX_R14,
|
||
|
UNW_TILEGX_R15,
|
||
|
UNW_TILEGX_R16,
|
||
|
UNW_TILEGX_R17,
|
||
|
UNW_TILEGX_R18,
|
||
|
UNW_TILEGX_R19,
|
||
|
UNW_TILEGX_R20,
|
||
|
UNW_TILEGX_R21,
|
||
|
UNW_TILEGX_R22,
|
||
|
UNW_TILEGX_R23,
|
||
|
UNW_TILEGX_R24,
|
||
|
UNW_TILEGX_R25,
|
||
|
UNW_TILEGX_R26,
|
||
|
UNW_TILEGX_R27,
|
||
|
UNW_TILEGX_R28,
|
||
|
UNW_TILEGX_R29,
|
||
|
UNW_TILEGX_R30,
|
||
|
UNW_TILEGX_R31,
|
||
|
UNW_TILEGX_R32,
|
||
|
UNW_TILEGX_R33,
|
||
|
UNW_TILEGX_R34,
|
||
|
UNW_TILEGX_R35,
|
||
|
UNW_TILEGX_R36,
|
||
|
UNW_TILEGX_R37,
|
||
|
UNW_TILEGX_R38,
|
||
|
UNW_TILEGX_R39,
|
||
|
UNW_TILEGX_R40,
|
||
|
UNW_TILEGX_R41,
|
||
|
UNW_TILEGX_R42,
|
||
|
UNW_TILEGX_R43,
|
||
|
UNW_TILEGX_R44,
|
||
|
UNW_TILEGX_R45,
|
||
|
UNW_TILEGX_R46,
|
||
|
UNW_TILEGX_R47,
|
||
|
UNW_TILEGX_R48,
|
||
|
UNW_TILEGX_R49,
|
||
|
UNW_TILEGX_R50,
|
||
|
UNW_TILEGX_R51,
|
||
|
UNW_TILEGX_R52,
|
||
|
UNW_TILEGX_R53,
|
||
|
UNW_TILEGX_R54,
|
||
|
UNW_TILEGX_R55,
|
||
|
|
||
|
/* FIXME: Other registers! */
|
||
|
|
||
|
UNW_TILEGX_PC,
|
||
|
/* For TILEGX, the CFA is the value of SP (r54) at the call site in the
|
||
|
previous frame. */
|
||
|
UNW_TILEGX_CFA,
|
||
|
|
||
|
UNW_TDEP_LAST_REG = UNW_TILEGX_PC,
|
||
|
|
||
|
UNW_TDEP_IP = UNW_TILEGX_R55, /* R55 is link register for Tilegx */
|
||
|
UNW_TDEP_SP = UNW_TILEGX_R54,
|
||
|
UNW_TDEP_EH = UNW_TILEGX_R0 /* FIXME. */
|
||
|
} tilegx_regnum_t;
|
||
|
|
||
|
typedef enum
|
||
|
{
|
||
|
UNW_TILEGX_ABI_N64 = 2
|
||
|
} tilegx_abi_t;
|
||
|
|
||
|
#define UNW_TDEP_NUM_EH_REGS 2 /* FIXME for TILEGX. */
|
||
|
|
||
|
typedef struct unw_tdep_save_loc
|
||
|
{
|
||
|
/* Additional target-dependent info on a save location. */
|
||
|
} unw_tdep_save_loc_t;
|
||
|
|
||
|
typedef ucontext_t unw_tdep_context_t;
|
||
|
|
||
|
#include "libunwind-dynamic.h"
|
||
|
|
||
|
typedef struct
|
||
|
{
|
||
|
/* no tilegx-specific auxiliary proc-info */
|
||
|
} unw_tdep_proc_info_t;
|
||
|
|
||
|
#include "libunwind-common.h"
|
||
|
|
||
|
#define unw_tdep_getcontext getcontext
|
||
|
|
||
|
#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 */
|