1 /* Target-dependent code for GDB, the GNU debugger. 2 Copyright 2000, 2001, 2002, 2003 3 Free Software Foundation, Inc. 4 5 This file is part of GDB. 6 7 This program is free software; you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation; either version 2 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 59 Temple Place - Suite 330, 20 Boston, MA 02111-1307, USA. */ 21 22 #ifndef PPC_TDEP_H 23 #define PPC_TDEP_H 24 25 struct gdbarch; 26 struct frame_info; 27 struct value; 28 struct regcache; 29 struct type; 30 31 /* From ppc-linux-tdep.c... */ 32 CORE_ADDR ppc_linux_frame_saved_pc (struct frame_info *fi); 33 void ppc_linux_init_extra_frame_info (int fromleaf, struct frame_info *); 34 int ppc_linux_frameless_function_invocation (struct frame_info *); 35 void ppc_linux_frame_init_saved_regs (struct frame_info *); 36 CORE_ADDR ppc_linux_frame_chain (struct frame_info *); 37 enum return_value_convention ppc_sysv_abi_return_value (struct gdbarch *gdbarch, 38 struct type *valtype, 39 struct regcache *regcache, 40 void *readbuf, 41 const void *writebuf); 42 enum return_value_convention ppc_sysv_abi_broken_return_value (struct gdbarch *gdbarch, 43 struct type *valtype, 44 struct regcache *regcache, 45 void *readbuf, 46 const void *writebuf); 47 CORE_ADDR ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, 48 CORE_ADDR func_addr, 49 struct regcache *regcache, 50 CORE_ADDR bp_addr, int nargs, 51 struct value **args, CORE_ADDR sp, 52 int struct_return, 53 CORE_ADDR struct_addr); 54 CORE_ADDR ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, 55 CORE_ADDR func_addr, 56 struct regcache *regcache, 57 CORE_ADDR bp_addr, int nargs, 58 struct value **args, CORE_ADDR sp, 59 int struct_return, 60 CORE_ADDR struct_addr); 61 CORE_ADDR ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch, 62 CORE_ADDR bpaddr); 63 int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache); 64 struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void); 65 void ppc_linux_supply_gregset (char *buf); 66 void ppc_linux_supply_fpregset (char *buf); 67 68 enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarch, 69 struct type *valtype, 70 struct regcache *regcache, 71 void *readbuf, 72 const void *writebuf); 73 74 /* From rs6000-tdep.c... */ 75 CORE_ADDR rs6000_frame_saved_pc (struct frame_info *fi); 76 void rs6000_init_extra_frame_info (int fromleaf, struct frame_info *); 77 int rs6000_frameless_function_invocation (struct frame_info *); 78 void rs6000_frame_init_saved_regs (struct frame_info *); 79 CORE_ADDR rs6000_frame_chain (struct frame_info *); 80 int altivec_register_p (int regno); 81 82 83 /* Return non-zero when the architecture has an FPU (or at least when 84 the ABI is using the FPU). */ 85 int ppc_floating_point_unit_p (struct gdbarch *gdbarch); 86 87 /* Private data that this module attaches to struct gdbarch. */ 88 89 struct gdbarch_tdep 90 { 91 int wordsize; /* size in bytes of fixed-point word */ 92 int *regoff; /* byte offsets in register arrays */ 93 const struct reg *regs; /* from current variant */ 94 int ppc_gp0_regnum; /* GPR register 0 */ 95 int ppc_gplast_regnum; /* GPR register 31 */ 96 int ppc_toc_regnum; /* TOC register */ 97 int ppc_ps_regnum; /* Processor (or machine) status (%msr) */ 98 int ppc_cr_regnum; /* Condition register */ 99 int ppc_lr_regnum; /* Link register */ 100 int ppc_ctr_regnum; /* Count register */ 101 int ppc_xer_regnum; /* Integer exception register */ 102 int ppc_fpscr_regnum; /* Floating point status and condition 103 register */ 104 int ppc_mq_regnum; /* Multiply/Divide extension register */ 105 int ppc_vr0_regnum; /* First AltiVec register */ 106 int ppc_vrsave_regnum; /* Last AltiVec register */ 107 int ppc_ev0_regnum; /* First ev register */ 108 int ppc_ev31_regnum; /* Last ev register */ 109 int lr_frame_offset; /* Offset to ABI specific location where 110 link register is saved. */ 111 }; 112 113 #endif 114