diff options
Diffstat (limited to 'libcorkscrew/arch-mips/dwarf.h')
| -rw-r--r-- | libcorkscrew/arch-mips/dwarf.h | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/libcorkscrew/arch-mips/dwarf.h b/libcorkscrew/arch-mips/dwarf.h deleted file mode 100644 index 8504ea0..0000000 --- a/libcorkscrew/arch-mips/dwarf.h +++ /dev/null @@ -1,187 +0,0 @@ -/* - * Copyright (C) 2013 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -/* - * Dwarf2 data encoding flags. - */ - -#define DW_EH_PE_absptr 0x00 -#define DW_EH_PE_omit 0xff -#define DW_EH_PE_uleb128 0x01 -#define DW_EH_PE_udata2 0x02 -#define DW_EH_PE_udata4 0x03 -#define DW_EH_PE_udata8 0x04 -#define DW_EH_PE_sleb128 0x09 -#define DW_EH_PE_sdata2 0x0A -#define DW_EH_PE_sdata4 0x0B -#define DW_EH_PE_sdata8 0x0C -#define DW_EH_PE_signed 0x08 -#define DW_EH_PE_pcrel 0x10 -#define DW_EH_PE_textrel 0x20 -#define DW_EH_PE_datarel 0x30 -#define DW_EH_PE_funcrel 0x40 -#define DW_EH_PE_aligned 0x50 -#define DW_EH_PE_indirect 0x80 - -/* - * Dwarf2 call frame instructions. - */ - -typedef enum { - DW_CFA_advance_loc = 0x40, - DW_CFA_offset = 0x80, - DW_CFA_restore = 0xc0, - DW_CFA_nop = 0x00, - DW_CFA_set_loc = 0x01, - DW_CFA_advance_loc1 = 0x02, - DW_CFA_advance_loc2 = 0x03, - DW_CFA_advance_loc4 = 0x04, - DW_CFA_offset_extended = 0x05, - DW_CFA_restore_extended = 0x06, - DW_CFA_undefined = 0x07, - DW_CFA_same_value = 0x08, - DW_CFA_register = 0x09, - DW_CFA_remember_state = 0x0a, - DW_CFA_restore_state = 0x0b, - DW_CFA_def_cfa = 0x0c, - DW_CFA_def_cfa_register = 0x0d, - DW_CFA_def_cfa_offset = 0x0e -} dwarf_CFA; - -/* - * eh_frame_hdr information. -*/ - -typedef struct { - uint8_t version; - uint8_t eh_frame_ptr_enc; - uint8_t fde_count_enc; - uint8_t fde_table_enc; - uintptr_t eh_frame_ptr; - uint32_t fde_count; -} eh_frame_hdr_info_t; - -/* - * CIE information. -*/ - -typedef struct { - uint8_t version; - uint32_t code_align; - uint32_t data_align; - uint32_t reg; - uint32_t aug_z; - uint8_t aug_L; - uint8_t aug_R; - uint8_t aug_S; - uint32_t aug_P; -} cie_info_t; - -/* - * FDE information. -*/ - -typedef struct { - uint32_t start; - uint32_t length; // number of instructions covered by FDE - uint32_t aug_z; - uint32_t aug_L; -} fde_info_t; - -/* - * Dwarf state. -*/ - -/* Stack of states: required for DW_CFA_remember_state/DW_CFA_restore_state - 30 should be enough */ -#define DWARF_STATES_STACK 30 - -typedef struct { - char rule; // rule: o - offset(value); r - register(value) - uint32_t value; // value -} reg_rule_t; - -/* Dwarf preserved number of registers for mips */ -typedef enum - { - UNW_MIPS_R0, - UNW_MIPS_R1, - UNW_MIPS_R2, - UNW_MIPS_R3, - UNW_MIPS_R4, - UNW_MIPS_R5, - UNW_MIPS_R6, - UNW_MIPS_R7, - UNW_MIPS_R8, - UNW_MIPS_R9, - UNW_MIPS_R10, - UNW_MIPS_R11, - UNW_MIPS_R12, - UNW_MIPS_R13, - UNW_MIPS_R14, - UNW_MIPS_R15, - UNW_MIPS_R16, - UNW_MIPS_R17, - UNW_MIPS_R18, - UNW_MIPS_R19, - UNW_MIPS_R20, - UNW_MIPS_R21, - UNW_MIPS_R22, - UNW_MIPS_R23, - UNW_MIPS_R24, - UNW_MIPS_R25, - UNW_MIPS_R26, - UNW_MIPS_R27, - UNW_MIPS_R28, - UNW_MIPS_R29, - UNW_MIPS_R30, - UNW_MIPS_R31, - - UNW_MIPS_PC = 34, - - /* FIXME: Other registers! */ - - /* For MIPS, the CFA is the value of SP (r29) at the call site in the - previous frame. */ - UNW_MIPS_CFA, - - UNW_TDEP_LASTREG, - - UNW_TDEP_LAST_REG = UNW_MIPS_R31, - - UNW_TDEP_IP = UNW_MIPS_R31, - UNW_TDEP_SP = UNW_MIPS_R29, - UNW_TDEP_EH = UNW_MIPS_R0 /* FIXME. */ - - } -mips_regnum_t; - -#define DWARF_REGISTERS UNW_TDEP_LASTREG - -typedef struct { - uintptr_t loc; // location (ip) - uint8_t cfa_reg; // index of register where CFA location stored - intptr_t cfa_off; // offset - reg_rule_t regs[DWARF_REGISTERS]; // dwarf preserved registers for mips -} dwarf_state_t; - -/* DWARF registers we are caring about. */ - - -#define DWARF_SP UNW_MIPS_R29 -#define DWARF_RA UNW_MIPS_R31 -#define DWARF_PC UNW_MIPS_PC -#define DWARF_FP UNW_MIPS_CFA /* FIXME is this correct? */ |