| /* Target-dependent code for the ia64. |
| |
| Copyright (C) 2004-2023 Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 3 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef IA64_TDEP_H |
| #define IA64_TDEP_H |
| |
| #include "gdbarch.h" |
| |
| #ifdef HAVE_LIBUNWIND_IA64_H |
| #include "libunwind-ia64.h" |
| #include "ia64-libunwind-tdep.h" |
| #endif |
| |
| /* Register numbers of various important registers. */ |
| |
| /* General registers; there are 128 of these 64 bit wide registers. |
| The first 32 are static and the last 96 are stacked. */ |
| #define IA64_GR0_REGNUM 0 |
| #define IA64_GR1_REGNUM (IA64_GR0_REGNUM + 1) |
| #define IA64_GR2_REGNUM (IA64_GR0_REGNUM + 2) |
| #define IA64_GR3_REGNUM (IA64_GR0_REGNUM + 3) |
| #define IA64_GR4_REGNUM (IA64_GR0_REGNUM + 4) |
| #define IA64_GR5_REGNUM (IA64_GR0_REGNUM + 5) |
| #define IA64_GR6_REGNUM (IA64_GR0_REGNUM + 6) |
| #define IA64_GR7_REGNUM (IA64_GR0_REGNUM + 7) |
| #define IA64_GR8_REGNUM (IA64_GR0_REGNUM + 8) |
| #define IA64_GR9_REGNUM (IA64_GR0_REGNUM + 9) |
| #define IA64_GR10_REGNUM (IA64_GR0_REGNUM + 10) |
| #define IA64_GR11_REGNUM (IA64_GR0_REGNUM + 11) |
| #define IA64_GR12_REGNUM (IA64_GR0_REGNUM + 12) |
| #define IA64_GR31_REGNUM (IA64_GR0_REGNUM + 31) |
| #define IA64_GR32_REGNUM (IA64_GR0_REGNUM + 32) |
| #define IA64_GR127_REGNUM (IA64_GR0_REGNUM + 127) |
| |
| /* Floating point registers; 128 82-bit wide registers. */ |
| #define IA64_FR0_REGNUM 128 |
| #define IA64_FR1_REGNUM (IA64_FR0_REGNUM + 1) |
| #define IA64_FR2_REGNUM (IA64_FR0_REGNUM + 2) |
| #define IA64_FR8_REGNUM (IA64_FR0_REGNUM + 8) |
| #define IA64_FR9_REGNUM (IA64_FR0_REGNUM + 9) |
| #define IA64_FR10_REGNUM (IA64_FR0_REGNUM + 10) |
| #define IA64_FR11_REGNUM (IA64_FR0_REGNUM + 11) |
| #define IA64_FR12_REGNUM (IA64_FR0_REGNUM + 12) |
| #define IA64_FR13_REGNUM (IA64_FR0_REGNUM + 13) |
| #define IA64_FR14_REGNUM (IA64_FR0_REGNUM + 14) |
| #define IA64_FR15_REGNUM (IA64_FR0_REGNUM + 15) |
| #define IA64_FR16_REGNUM (IA64_FR0_REGNUM + 16) |
| #define IA64_FR31_REGNUM (IA64_FR0_REGNUM + 31) |
| #define IA64_FR32_REGNUM (IA64_FR0_REGNUM + 32) |
| #define IA64_FR127_REGNUM (IA64_FR0_REGNUM + 127) |
| |
| /* Predicate registers; There are 64 of these one bit registers. It'd |
| be more convenient (implementation-wise) to use a single 64 bit |
| word with all of these register in them. Note that there's also a |
| IA64_PR_REGNUM below which contains all the bits and is used for |
| communicating the actual values to the target. */ |
| #define IA64_PR0_REGNUM 256 |
| #define IA64_PR1_REGNUM (IA64_PR0_REGNUM + 1) |
| #define IA64_PR2_REGNUM (IA64_PR0_REGNUM + 2) |
| #define IA64_PR3_REGNUM (IA64_PR0_REGNUM + 3) |
| #define IA64_PR4_REGNUM (IA64_PR0_REGNUM + 4) |
| #define IA64_PR5_REGNUM (IA64_PR0_REGNUM + 5) |
| #define IA64_PR6_REGNUM (IA64_PR0_REGNUM + 6) |
| #define IA64_PR7_REGNUM (IA64_PR0_REGNUM + 7) |
| #define IA64_PR8_REGNUM (IA64_PR0_REGNUM + 8) |
| #define IA64_PR9_REGNUM (IA64_PR0_REGNUM + 9) |
| #define IA64_PR10_REGNUM (IA64_PR0_REGNUM + 10) |
| #define IA64_PR11_REGNUM (IA64_PR0_REGNUM + 11) |
| #define IA64_PR12_REGNUM (IA64_PR0_REGNUM + 12) |
| #define IA64_PR13_REGNUM (IA64_PR0_REGNUM + 13) |
| #define IA64_PR14_REGNUM (IA64_PR0_REGNUM + 14) |
| #define IA64_PR15_REGNUM (IA64_PR0_REGNUM + 15) |
| #define IA64_PR16_REGNUM (IA64_PR0_REGNUM + 16) |
| #define IA64_PR17_REGNUM (IA64_PR0_REGNUM + 17) |
| #define IA64_PR18_REGNUM (IA64_PR0_REGNUM + 18) |
| #define IA64_PR19_REGNUM (IA64_PR0_REGNUM + 19) |
| #define IA64_PR20_REGNUM (IA64_PR0_REGNUM + 20) |
| #define IA64_PR21_REGNUM (IA64_PR0_REGNUM + 21) |
| #define IA64_PR22_REGNUM (IA64_PR0_REGNUM + 22) |
| #define IA64_PR23_REGNUM (IA64_PR0_REGNUM + 23) |
| #define IA64_PR24_REGNUM (IA64_PR0_REGNUM + 24) |
| #define IA64_PR25_REGNUM (IA64_PR0_REGNUM + 25) |
| #define IA64_PR26_REGNUM (IA64_PR0_REGNUM + 26) |
| #define IA64_PR27_REGNUM (IA64_PR0_REGNUM + 27) |
| #define IA64_PR28_REGNUM (IA64_PR0_REGNUM + 28) |
| #define IA64_PR29_REGNUM (IA64_PR0_REGNUM + 29) |
| #define IA64_PR30_REGNUM (IA64_PR0_REGNUM + 30) |
| #define IA64_PR31_REGNUM (IA64_PR0_REGNUM + 31) |
| #define IA64_PR32_REGNUM (IA64_PR0_REGNUM + 32) |
| #define IA64_PR33_REGNUM (IA64_PR0_REGNUM + 33) |
| #define IA64_PR34_REGNUM (IA64_PR0_REGNUM + 34) |
| #define IA64_PR35_REGNUM (IA64_PR0_REGNUM + 35) |
| #define IA64_PR36_REGNUM (IA64_PR0_REGNUM + 36) |
| #define IA64_PR37_REGNUM (IA64_PR0_REGNUM + 37) |
| #define IA64_PR38_REGNUM (IA64_PR0_REGNUM + 38) |
| #define IA64_PR39_REGNUM (IA64_PR0_REGNUM + 39) |
| #define IA64_PR40_REGNUM (IA64_PR0_REGNUM + 40) |
| #define IA64_PR41_REGNUM (IA64_PR0_REGNUM + 41) |
| #define IA64_PR42_REGNUM (IA64_PR0_REGNUM + 42) |
| #define IA64_PR43_REGNUM (IA64_PR0_REGNUM + 43) |
| #define IA64_PR44_REGNUM (IA64_PR0_REGNUM + 44) |
| #define IA64_PR45_REGNUM (IA64_PR0_REGNUM + 45) |
| #define IA64_PR46_REGNUM (IA64_PR0_REGNUM + 46) |
| #define IA64_PR47_REGNUM (IA64_PR0_REGNUM + 47) |
| #define IA64_PR48_REGNUM (IA64_PR0_REGNUM + 48) |
| #define IA64_PR49_REGNUM (IA64_PR0_REGNUM + 49) |
| #define IA64_PR50_REGNUM (IA64_PR0_REGNUM + 50) |
| #define IA64_PR51_REGNUM (IA64_PR0_REGNUM + 51) |
| #define IA64_PR52_REGNUM (IA64_PR0_REGNUM + 52) |
| #define IA64_PR53_REGNUM (IA64_PR0_REGNUM + 53) |
| #define IA64_PR54_REGNUM (IA64_PR0_REGNUM + 54) |
| #define IA64_PR55_REGNUM (IA64_PR0_REGNUM + 55) |
| #define IA64_PR56_REGNUM (IA64_PR0_REGNUM + 56) |
| #define IA64_PR57_REGNUM (IA64_PR0_REGNUM + 57) |
| #define IA64_PR58_REGNUM (IA64_PR0_REGNUM + 58) |
| #define IA64_PR59_REGNUM (IA64_PR0_REGNUM + 59) |
| #define IA64_PR60_REGNUM (IA64_PR0_REGNUM + 60) |
| #define IA64_PR61_REGNUM (IA64_PR0_REGNUM + 61) |
| #define IA64_PR62_REGNUM (IA64_PR0_REGNUM + 62) |
| #define IA64_PR63_REGNUM (IA64_PR0_REGNUM + 63) |
| |
| /* Branch registers: 8 64-bit registers for holding branch targets. */ |
| #define IA64_BR0_REGNUM 320 |
| #define IA64_BR1_REGNUM (IA64_BR0_REGNUM + 1) |
| #define IA64_BR2_REGNUM (IA64_BR0_REGNUM + 2) |
| #define IA64_BR3_REGNUM (IA64_BR0_REGNUM + 3) |
| #define IA64_BR4_REGNUM (IA64_BR0_REGNUM + 4) |
| #define IA64_BR5_REGNUM (IA64_BR0_REGNUM + 5) |
| #define IA64_BR6_REGNUM (IA64_BR0_REGNUM + 6) |
| #define IA64_BR7_REGNUM (IA64_BR0_REGNUM + 7) |
| |
| /* Virtual frame pointer; this matches IA64_FRAME_POINTER_REGNUM in |
| gcc/config/ia64/ia64.h. */ |
| #define IA64_VFP_REGNUM 328 |
| |
| /* Virtual return address pointer; this matches |
| IA64_RETURN_ADDRESS_POINTER_REGNUM in gcc/config/ia64/ia64.h. */ |
| #define IA64_VRAP_REGNUM 329 |
| |
| /* Predicate registers: There are 64 of these 1-bit registers. We |
| define a single register which is used to communicate these values |
| to/from the target. We will somehow contrive to make it appear |
| that IA64_PR0_REGNUM thru IA64_PR63_REGNUM hold the actual values. */ |
| #define IA64_PR_REGNUM 330 |
| |
| /* Instruction pointer: 64 bits wide. */ |
| #define IA64_IP_REGNUM 331 |
| |
| /* Process Status Register. */ |
| #define IA64_PSR_REGNUM 332 |
| |
| /* Current Frame Marker (raw form may be the cr.ifs). */ |
| #define IA64_CFM_REGNUM 333 |
| |
| /* Application registers; 128 64-bit wide registers possible, but some |
| of them are reserved. */ |
| #define IA64_AR0_REGNUM 334 |
| #define IA64_KR0_REGNUM (IA64_AR0_REGNUM + 0) |
| #define IA64_KR7_REGNUM (IA64_KR0_REGNUM + 7) |
| |
| #define IA64_RSC_REGNUM (IA64_AR0_REGNUM + 16) |
| #define IA64_BSP_REGNUM (IA64_AR0_REGNUM + 17) |
| #define IA64_BSPSTORE_REGNUM (IA64_AR0_REGNUM + 18) |
| #define IA64_RNAT_REGNUM (IA64_AR0_REGNUM + 19) |
| #define IA64_FCR_REGNUM (IA64_AR0_REGNUM + 21) |
| #define IA64_EFLAG_REGNUM (IA64_AR0_REGNUM + 24) |
| #define IA64_CSD_REGNUM (IA64_AR0_REGNUM + 25) |
| #define IA64_SSD_REGNUM (IA64_AR0_REGNUM + 26) |
| #define IA64_CFLG_REGNUM (IA64_AR0_REGNUM + 27) |
| #define IA64_FSR_REGNUM (IA64_AR0_REGNUM + 28) |
| #define IA64_FIR_REGNUM (IA64_AR0_REGNUM + 29) |
| #define IA64_FDR_REGNUM (IA64_AR0_REGNUM + 30) |
| #define IA64_CCV_REGNUM (IA64_AR0_REGNUM + 32) |
| #define IA64_UNAT_REGNUM (IA64_AR0_REGNUM + 36) |
| #define IA64_FPSR_REGNUM (IA64_AR0_REGNUM + 40) |
| #define IA64_ITC_REGNUM (IA64_AR0_REGNUM + 44) |
| #define IA64_PFS_REGNUM (IA64_AR0_REGNUM + 64) |
| #define IA64_LC_REGNUM (IA64_AR0_REGNUM + 65) |
| #define IA64_EC_REGNUM (IA64_AR0_REGNUM + 66) |
| |
| /* NAT (Not A Thing) Bits for the general registers; there are 128 of |
| these. */ |
| #define IA64_NAT0_REGNUM 462 |
| #define IA64_NAT31_REGNUM (IA64_NAT0_REGNUM + 31) |
| #define IA64_NAT32_REGNUM (IA64_NAT0_REGNUM + 32) |
| #define IA64_NAT127_REGNUM (IA64_NAT0_REGNUM + 127) |
| |
| class frame_info_ptr; |
| struct regcache; |
| |
| /* A struct containing pointers to all the target-dependent operations |
| performed to setup an inferior function call. */ |
| |
| struct ia64_infcall_ops |
| { |
| /* Allocate a new register stack frame starting after the output |
| region of the current frame. The new frame will contain SOF |
| registers, all in the output region. This is one way of protecting |
| the stacked registers of the current frame. |
| |
| Should do nothing if this operation is not permitted by the OS. */ |
| void (*allocate_new_rse_frame) (struct regcache *regcache, ULONGEST bsp, |
| int sof); |
| |
| /* Store the argument stored in BUF into the appropriate location |
| given the BSP and the SLOTNUM. */ |
| void (*store_argument_in_slot) (struct regcache *regcache, CORE_ADDR bsp, |
| int slotnum, gdb_byte *buf); |
| |
| /* For targets where we cannot call the function directly, store |
| the address of the function we want to call at the location |
| expected by the calling sequence. */ |
| void (*set_function_addr) (struct regcache *regcache, CORE_ADDR func_addr); |
| }; |
| |
| struct ia64_gdbarch_tdep : gdbarch_tdep_base |
| { |
| CORE_ADDR (*sigcontext_register_address) (struct gdbarch *, CORE_ADDR, int) |
| = nullptr; |
| int (*pc_in_sigtramp) (CORE_ADDR) = nullptr; |
| |
| /* Return the total size of THIS_FRAME's register frame. |
| CFM is THIS_FRAME's cfm register value. |
| |
| Normally, the size of the register frame is always obtained by |
| extracting the lowest 7 bits ("cfm & 0x7f"). */ |
| int (*size_of_register_frame) (frame_info_ptr this_frame, ULONGEST cfm) |
| = nullptr; |
| |
| /* Determine the function address FADDR belongs to a shared library. |
| If it does, then return the associated global pointer. If no shared |
| library was found to contain that function, then return zero. |
| |
| This pointer may be NULL. */ |
| CORE_ADDR (*find_global_pointer_from_solib) (struct gdbarch *gdbarch, |
| CORE_ADDR faddr) = nullptr; |
| |
| /* ISA-specific data types. */ |
| struct type *ia64_ext_type = nullptr; |
| |
| struct ia64_infcall_ops infcall_ops {}; |
| }; |
| |
| extern void ia64_write_pc (struct regcache *, CORE_ADDR); |
| |
| #ifdef HAVE_LIBUNWIND_IA64_H |
| extern unw_accessors_t ia64_unw_accessors; |
| extern unw_accessors_t ia64_unw_rse_accessors; |
| extern struct libunwind_descr ia64_libunwind_descr; |
| #endif |
| |
| #endif /* ia64-tdep.h */ |
