| /* Target-dependent code for GDB, the GNU debugger. |
| |
| Copyright 2000, 2001, 2002, 2003, 2004 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 2 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, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #ifndef PPC_TDEP_H |
| #define PPC_TDEP_H |
| |
| struct gdbarch; |
| struct frame_info; |
| struct value; |
| struct regcache; |
| struct type; |
| |
| /* From ppc-linux-tdep.c... */ |
| enum return_value_convention ppc_sysv_abi_return_value (struct gdbarch *gdbarch, |
| struct type *valtype, |
| struct regcache *regcache, |
| void *readbuf, |
| const void *writebuf); |
| enum return_value_convention ppc_sysv_abi_broken_return_value (struct gdbarch *gdbarch, |
| struct type *valtype, |
| struct regcache *regcache, |
| void *readbuf, |
| const void *writebuf); |
| CORE_ADDR ppc_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, |
| struct value *function, |
| struct regcache *regcache, |
| CORE_ADDR bp_addr, int nargs, |
| struct value **args, CORE_ADDR sp, |
| int struct_return, |
| CORE_ADDR struct_addr); |
| CORE_ADDR ppc64_sysv_abi_push_dummy_call (struct gdbarch *gdbarch, |
| struct value *function, |
| struct regcache *regcache, |
| CORE_ADDR bp_addr, int nargs, |
| struct value **args, CORE_ADDR sp, |
| int struct_return, |
| CORE_ADDR struct_addr); |
| CORE_ADDR ppc64_sysv_abi_adjust_breakpoint_address (struct gdbarch *gdbarch, |
| CORE_ADDR bpaddr); |
| int ppc_linux_memory_remove_breakpoint (CORE_ADDR addr, char *contents_cache); |
| struct link_map_offsets *ppc_linux_svr4_fetch_link_map_offsets (void); |
| void ppc_linux_supply_gregset (struct regcache *regcache, |
| int regnum, const void *gregs, size_t size, |
| int wordsize); |
| void ppc_linux_supply_fpregset (const struct regset *regset, |
| struct regcache *regcache, |
| int regnum, const void *gregs, size_t size); |
| |
| enum return_value_convention ppc64_sysv_abi_return_value (struct gdbarch *gdbarch, |
| struct type *valtype, |
| struct regcache *regcache, |
| void *readbuf, |
| const void *writebuf); |
| |
| /* From rs6000-tdep.c... */ |
| int altivec_register_p (int regno); |
| int spe_register_p (int regno); |
| |
| /* Return non-zero if the architecture described by GDBARCH has |
| floating-point registers (f0 --- f31 and fpscr). */ |
| int ppc_floating_point_unit_p (struct gdbarch *gdbarch); |
| |
| /* Register set description. */ |
| |
| struct ppc_reg_offsets |
| { |
| /* General-purpose registers. */ |
| int r0_offset; |
| int pc_offset; |
| int ps_offset; |
| int cr_offset; |
| int lr_offset; |
| int ctr_offset; |
| int xer_offset; |
| int mq_offset; |
| |
| /* Floating-point registers. */ |
| int f0_offset; |
| int fpscr_offset; |
| |
| /* AltiVec registers. */ |
| int vr0_offset; |
| int vscr_offset; |
| int vrsave_offset; |
| }; |
| |
| /* Supply register REGNUM in the general-purpose register set REGSET |
| from the buffer specified by GREGS and LEN to register cache |
| REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */ |
| |
| extern void ppc_supply_gregset (const struct regset *regset, |
| struct regcache *regcache, |
| int regnum, const void *gregs, size_t len); |
| |
| /* Supply register REGNUM in the floating-point register set REGSET |
| from the buffer specified by FPREGS and LEN to register cache |
| REGCACHE. If REGNUM is -1, do this for all registers in REGSET. */ |
| |
| extern void ppc_supply_fpregset (const struct regset *regset, |
| struct regcache *regcache, |
| int regnum, const void *fpregs, size_t len); |
| |
| /* Collect register REGNUM in the general-purpose register set |
| REGSET. from register cache REGCACHE into the buffer specified by |
| GREGS and LEN. If REGNUM is -1, do this for all registers in |
| REGSET. */ |
| |
| extern void ppc_collect_gregset (const struct regset *regset, |
| const struct regcache *regcache, |
| int regnum, void *gregs, size_t len); |
| |
| /* Collect register REGNUM in the floating-point register set |
| REGSET. from register cache REGCACHE into the buffer specified by |
| FPREGS and LEN. If REGNUM is -1, do this for all registers in |
| REGSET. */ |
| |
| extern void ppc_collect_fpregset (const struct regset *regset, |
| const struct regcache *regcache, |
| int regnum, void *fpregs, size_t len); |
| |
| /* Private data that this module attaches to struct gdbarch. */ |
| |
| struct gdbarch_tdep |
| { |
| int wordsize; /* size in bytes of fixed-point word */ |
| const struct reg *regs; /* from current variant */ |
| int ppc_gp0_regnum; /* GPR register 0 */ |
| int ppc_gprs_pseudo_p; /* non-zero if GPRs are pseudo-registers */ |
| int ppc_toc_regnum; /* TOC register */ |
| int ppc_ps_regnum; /* Processor (or machine) status (%msr) */ |
| int ppc_cr_regnum; /* Condition register */ |
| int ppc_lr_regnum; /* Link register */ |
| int ppc_ctr_regnum; /* Count register */ |
| int ppc_xer_regnum; /* Integer exception register */ |
| |
| /* On PPC and RS6000 variants that have no floating-point |
| registers, the next two members will be -1. */ |
| int ppc_fp0_regnum; /* floating-point register 0 */ |
| int ppc_fpscr_regnum; /* Floating point status and condition |
| register */ |
| |
| int ppc_mq_regnum; /* Multiply/Divide extension register */ |
| int ppc_vr0_regnum; /* First AltiVec register */ |
| int ppc_vrsave_regnum; /* Last AltiVec register */ |
| int ppc_ev0_regnum; /* First ev register */ |
| int ppc_ev31_regnum; /* Last ev register */ |
| int ppc_acc_regnum; /* SPE 'acc' register */ |
| int ppc_spefscr_regnum; /* SPE 'spefscr' register */ |
| int lr_frame_offset; /* Offset to ABI specific location where |
| link register is saved. */ |
| }; |
| |
| |
| /* Constants for register set sizes. */ |
| enum |
| { |
| ppc_num_gprs = 32, /* 32 general-purpose registers */ |
| ppc_num_fprs = 32 /* 32 floating-point registers */ |
| }; |
| |
| #endif |