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131 lines
4.0 KiB
131 lines
4.0 KiB
/* libunwind - a platform-independent unwind library |
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Copyright (C) 2003-2004 Hewlett-Packard Co |
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This file is part of libunwind. |
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Permission is hereby granted, free of charge, to any person obtaining |
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a copy of this software and associated documentation files (the |
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"Software"), to deal in the Software without restriction, including |
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without limitation the rights to use, copy, modify, merge, publish, |
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distribute, sublicense, and/or sell copies of the Software, and to |
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permit persons to whom the Software is furnished to do so, subject to |
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the following conditions: |
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The above copyright notice and this permission notice shall be |
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included in all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE |
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION |
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ |
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#ifndef LIBUNWIND_H |
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#define LIBUNWIND_H |
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#if defined(__cplusplus) || defined(c_plusplus) |
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extern "C" { |
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#endif |
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#include <inttypes.h> |
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#include <ucontext.h> |
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#define UNW_TARGET hppa |
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#define UNW_TARGET_HPPA 1 |
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#define _U_TDEP_QP_TRUE 0 /* see libunwind-dynamic.h */ |
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/* This needs to be big enough to accommodate "struct cursor", while |
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leaving some slack for future expansion. Changing this value will |
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require recompiling all users of this library. Stack allocation is |
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relatively cheap and unwind-state copying is relatively rare, so we |
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want to err on making it rather too big than too small. */ |
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#define UNW_TDEP_CURSOR_LEN 511 |
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typedef uint32_t unw_word_t; |
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typedef int32_t unw_sword_t; |
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typedef union |
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{ |
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struct { unw_word_t bits[2]; } raw; |
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double val; |
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} |
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unw_tdep_fpreg_t; |
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typedef enum |
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{ |
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/* Note: general registers are expected to start with index 0. |
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This convention facilitates architecture-independent |
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implementation of the C++ exception handling ABI. See |
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_Unwind_SetGR() and _Unwind_GetGR() for details. */ |
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UNW_HPPA_GR = 0, |
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UNW_HPPA_RP = 2, /* return pointer */ |
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UNW_HPPA_FP = 3, /* frame pointer */ |
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UNW_HPPA_SP = UNW_HPPA_GR + 30, |
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UNW_HPPA_FR = UNW_HPPA_GR + 32, |
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UNW_HPPA_IP = UNW_HPPA_FR + 32, /* instruction pointer */ |
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/* other "preserved" registers (fpsr etc.)... */ |
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/* PA-RISC has 4 exception-argument registers but they're not |
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contiguous. To deal with this, we define 4 pseudo |
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exception-handling registers which we then alias to the actual |
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physical register. */ |
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UNW_HPPA_EH0 = UNW_HPPA_IP + 1, /* alias for UNW_HPPA_GR + 20 */ |
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UNW_HPPA_EH1 = UNW_HPPA_EH0 + 1, /* alias for UNW_HPPA_GR + 21 */ |
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UNW_HPPA_EH2 = UNW_HPPA_EH1 + 1, /* alias for UNW_HPPA_GR + 22 */ |
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UNW_HPPA_EH3 = UNW_HPPA_EH2 + 1, /* alias for UNW_HPPA_GR + 31 */ |
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/* frame info (read-only) */ |
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UNW_HPPA_CFA, |
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UNW_TDEP_LAST_REG = UNW_HPPA_IP, |
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UNW_TDEP_IP = UNW_HPPA_IP, |
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UNW_TDEP_SP = UNW_HPPA_SP, |
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UNW_TDEP_EH = UNW_HPPA_EH0 |
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} |
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hppa_regnum_t; |
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#define UNW_TDEP_NUM_EH_REGS 4 |
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typedef struct unw_tdep_save_loc |
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{ |
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/* Additional target-dependent info on a save location. */ |
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/* ANDROID support update. */ |
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char __reserved; |
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/* End of ANDROID update. */ |
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} |
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unw_tdep_save_loc_t; |
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/* On PA-RISC, we can directly use ucontext_t as the unwind context. */ |
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typedef ucontext_t unw_tdep_context_t; |
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#define unw_tdep_is_fpreg(r) ((unsigned) ((r) - UNW_HPPA_FR) < 32) |
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#include "libunwind-dynamic.h" |
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typedef struct |
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{ |
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/* no PA-RISC-specific auxiliary proc-info */ |
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/* ANDROID support update. */ |
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char __reserved; |
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/* End of ANDROID update. */ |
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} |
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unw_tdep_proc_info_t; |
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#include "libunwind-common.h" |
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#define unw_tdep_getcontext UNW_ARCH_OBJ (getcontext) |
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extern int unw_tdep_getcontext (unw_tdep_context_t *); |
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#if defined(__cplusplus) || defined(c_plusplus) |
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} |
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#endif |
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#endif /* LIBUNWIND_H */
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