| /* 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. */ |
| |
| #ifndef LIBUNWIND_H |
| #define LIBUNWIND_H |
| |
| #include <stdint.h> |
| #include <ucontext.h> |
| |
| #define UNW_TARGET arm |
| #define UNW_TARGET_ARM 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. |
| As of this writing, 256 is enough so 512 provides a fair bit of room. |
| The original value of 4096 is excessive. */ |
| #define UNW_TDEP_CURSOR_LEN 512 |
| |
| typedef uintptr_t unw_word_t; |
| typedef intptr_t unw_sword_t; |
| |
| typedef long double unw_tdep_fpreg_t; |
| |
| typedef enum |
| { |
| UNW_ARM_R0, |
| UNW_ARM_R1, |
| UNW_ARM_R2, |
| UNW_ARM_R3, |
| UNW_ARM_R4, |
| UNW_ARM_R5, |
| UNW_ARM_R6, |
| UNW_ARM_R7, |
| UNW_ARM_R8, |
| UNW_ARM_R9, |
| UNW_ARM_R10, |
| UNW_ARM_R11, |
| UNW_ARM_R12, |
| UNW_ARM_R13, |
| UNW_ARM_R14, |
| UNW_ARM_R15, |
| |
| /* VFPv2 s0-s31 (obsolescent numberings). */ |
| UNW_ARM_S0 = 64, |
| UNW_ARM_S1, |
| UNW_ARM_S2, |
| UNW_ARM_S3, |
| UNW_ARM_S4, |
| UNW_ARM_S5, |
| UNW_ARM_S6, |
| UNW_ARM_S7, |
| UNW_ARM_S8, |
| UNW_ARM_S9, |
| UNW_ARM_S10, |
| UNW_ARM_S11, |
| UNW_ARM_S12, |
| UNW_ARM_S13, |
| UNW_ARM_S14, |
| UNW_ARM_S15, |
| UNW_ARM_S16, |
| UNW_ARM_S17, |
| UNW_ARM_S18, |
| UNW_ARM_S19, |
| UNW_ARM_S20, |
| UNW_ARM_S21, |
| UNW_ARM_S22, |
| UNW_ARM_S23, |
| UNW_ARM_S24, |
| UNW_ARM_S25, |
| UNW_ARM_S26, |
| UNW_ARM_S27, |
| UNW_ARM_S28, |
| UNW_ARM_S29, |
| UNW_ARM_S30, |
| UNW_ARM_S31, |
| |
| /* FPA register numberings. */ |
| UNW_ARM_F0 = 96, |
| UNW_ARM_F1, |
| UNW_ARM_F2, |
| UNW_ARM_F3, |
| UNW_ARM_F4, |
| UNW_ARM_F5, |
| UNW_ARM_F6, |
| UNW_ARM_F7, |
| |
| /* iWMMXt GR register numberings. */ |
| UNW_ARM_wCGR0 = 104, |
| UNW_ARM_wCGR1, |
| UNW_ARM_wCGR2, |
| UNW_ARM_wCGR3, |
| UNW_ARM_wCGR4, |
| UNW_ARM_wCGR5, |
| UNW_ARM_wCGR6, |
| UNW_ARM_wCGR7, |
| |
| /* iWMMXt register numberings. */ |
| UNW_ARM_wR0 = 112, |
| UNW_ARM_wR1, |
| UNW_ARM_wR2, |
| UNW_ARM_wR3, |
| UNW_ARM_wR4, |
| UNW_ARM_wR5, |
| UNW_ARM_wR6, |
| UNW_ARM_wR7, |
| UNW_ARM_wR8, |
| UNW_ARM_wR9, |
| UNW_ARM_wR10, |
| UNW_ARM_wR11, |
| UNW_ARM_wR12, |
| UNW_ARM_wR13, |
| UNW_ARM_wR14, |
| UNW_ARM_wR15, |
| |
| /* Two-byte encodings from here on. */ |
| |
| /* SPSR. */ |
| UNW_ARM_SPSR = 128, |
| UNW_ARM_SPSR_FIQ, |
| UNW_ARM_SPSR_IRQ, |
| UNW_ARM_SPSR_ABT, |
| UNW_ARM_SPSR_UND, |
| UNW_ARM_SPSR_SVC, |
| |
| /* User mode registers. */ |
| UNW_ARM_R8_USR = 144, |
| UNW_ARM_R9_USR, |
| UNW_ARM_R10_USR, |
| UNW_ARM_R11_USR, |
| UNW_ARM_R12_USR, |
| UNW_ARM_R13_USR, |
| UNW_ARM_R14_USR, |
| |
| /* FIQ registers. */ |
| UNW_ARM_R8_FIQ = 151, |
| UNW_ARM_R9_FIQ, |
| UNW_ARM_R10_FIQ, |
| UNW_ARM_R11_FIQ, |
| UNW_ARM_R12_FIQ, |
| UNW_ARM_R13_FIQ, |
| UNW_ARM_R14_FIQ, |
| |
| /* IRQ registers. */ |
| UNW_ARM_R13_IRQ = 158, |
| UNW_ARM_R14_IRQ, |
| |
| /* ABT registers. */ |
| UNW_ARM_R13_ABT = 160, |
| UNW_ARM_R14_ABT, |
| |
| /* UND registers. */ |
| UNW_ARM_R13_UND = 162, |
| UNW_ARM_R14_UND, |
| |
| /* SVC registers. */ |
| UNW_ARM_R13_SVC = 164, |
| UNW_ARM_R14_SVC, |
| |
| /* iWMMXt control registers. */ |
| UNW_ARM_wC0 = 192, |
| UNW_ARM_wC1, |
| UNW_ARM_wC2, |
| UNW_ARM_wC3, |
| UNW_ARM_wC4, |
| UNW_ARM_wC5, |
| UNW_ARM_wC6, |
| UNW_ARM_wC7, |
| |
| /* VFPv3/Neon 64-bit registers. */ |
| UNW_ARM_D0 = 256, |
| UNW_ARM_D1, |
| UNW_ARM_D2, |
| UNW_ARM_D3, |
| UNW_ARM_D4, |
| UNW_ARM_D5, |
| UNW_ARM_D6, |
| UNW_ARM_D7, |
| UNW_ARM_D8, |
| UNW_ARM_D9, |
| UNW_ARM_D10, |
| UNW_ARM_D11, |
| UNW_ARM_D12, |
| UNW_ARM_D13, |
| UNW_ARM_D14, |
| UNW_ARM_D15, |
| UNW_ARM_D16, |
| UNW_ARM_D17, |
| UNW_ARM_D18, |
| UNW_ARM_D19, |
| UNW_ARM_D20, |
| UNW_ARM_D21, |
| UNW_ARM_D22, |
| UNW_ARM_D23, |
| UNW_ARM_D24, |
| UNW_ARM_D25, |
| UNW_ARM_D26, |
| UNW_ARM_D27, |
| UNW_ARM_D28, |
| UNW_ARM_D29, |
| UNW_ARM_D30, |
| UNW_ARM_D31, |
| |
| /* For ARM, the CFA is the value of SP (r13) at the call site in the |
| previous frame. */ |
| UNW_ARM_CFA, |
| |
| UNW_TDEP_LAST_REG = UNW_ARM_D31, |
| |
| UNW_TDEP_IP = UNW_ARM_R14, /* A little white lie. */ |
| UNW_TDEP_SP = UNW_ARM_R13, |
| UNW_TDEP_EH = UNW_ARM_R0 /* FIXME. */ |
| } |
| arm_regnum_t; |
| |
| #define UNW_TDEP_NUM_EH_REGS 2 // TODO |
| |
| /* On AArch64, we can directly use ucontext_t as the unwind context. */ |
| typedef ucontext_t unw_tdep_context_t; |
| |
| #endif /* LIBUNWIND_H */ |
